CN115254602A - Nut screening device and application method thereof - Google Patents

Nut screening device and application method thereof Download PDF

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Publication number
CN115254602A
CN115254602A CN202210921109.3A CN202210921109A CN115254602A CN 115254602 A CN115254602 A CN 115254602A CN 202210921109 A CN202210921109 A CN 202210921109A CN 115254602 A CN115254602 A CN 115254602A
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CN
China
Prior art keywords
sound
screening plate
thick bamboo
screening
rotation
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Granted
Application number
CN202210921109.3A
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Chinese (zh)
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CN115254602B (en
Inventor
朱迪刚
蒋欢
朱晓蕾
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Cofco Shancui Peanut Products Weihai Co ltd
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Cofco Shancui Peanut Products Weihai Co ltd
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Priority to CN202210921109.3A priority Critical patent/CN115254602B/en
Publication of CN115254602A publication Critical patent/CN115254602A/en
Application granted granted Critical
Publication of CN115254602B publication Critical patent/CN115254602B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/28Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
    • B07B1/34Moving 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
    • B07B1/343Moving 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B07SEPARATING SOLIDS FROM SOLIDS; SORTING
    • B07BSEPARATING 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
    • B07B1/00Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
    • B07B1/46Constructional details of screens in general; Cleaning or heating of screens
    • B07B1/4609Constructional details of screens in general; Cleaning or heating of screens constructional details of screening surfaces or meshes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B15/00Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
    • B08B15/04Preventing 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/90Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in food processing or handling, e.g. food conservation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Combined Means For Separation Of Solids (AREA)

Abstract

The utility model relates to a nut sieving mechanism and application method thereof, belong to nut processing technology field, nut sieving mechanism includes the support and slides the screening plate that sets up, be provided with the sound-proof box on the support, the screening plate slides and sets up in the sound-proof box, the intercommunication has the inlet pipe on the sound-proof box, the inlet pipe is located the screening plate top, one side intercommunication that the inlet pipe was kept away from to the screening plate has a flitch, it wears out the sound-proof box to go out the flitch, set up the opening that is used for supplying out the flitch and stretches out on the sound-proof box, the sound-proof box internal rotation is provided with the interference cylinder, the axis of rotation of interference cylinder is on a parallel with the length direction of screening plate, the screening plate is located the interference cylinder, be provided with unevenness's sound absorbing layer on the interference cylinder inner wall, be provided with in the sound-proof box and connect the hopper, it is located the interference cylinder to connect the hopper, it is located the screening plate below to connect the hopper, be provided with on the screening plate and be used for making the screening plate and drive interference cylinder pivoted rotating assembly when vibrating from top to move. This application has the effect that reduces the healthy harm to the workman to a certain extent.

Description

Nut screening device and application method thereof
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
The nuts are the essential parts of plants, and are widely loved by people due to rich nutrition and high contents of protein, grease, mineral substances and vitamins. The production process of nuts generally comprises the steps of sorting, removing impurities, stir-frying, cooling, screening, packaging and the like, and before bagging, a screening device is generally used for screening out broken particles or broken shells in the nuts.
In the correlation technique, nut sieving mechanism includes the support, and it is provided with the shale shaker to slide 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 material receiving box on the support, and material receiving box is located the shale shaker below, and the discharge gate has been seted up to the one end of shale shaker. When screening the nut, will fry the nut after the system cooling and carry to the shale shaker on, start vibrating motor, order about the shale shaker and take place to reciprocate, in garrulous shell and the garrulous grain in the nut dropped to connecing the material box through the shale shaker, qualified nut shifted out from the discharge gate and weighed the bagging-off.
Aiming at the related technologies, the inventor finds that in the process of vibrating the vibrating screen up and down, nuts are driven to jump up and down, the noise is large, and the adverse effect is caused 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.
First aspect, the application provides a nut sieving mechanism adopts following technical scheme:
a nut screening device comprises a support and a screening plate arranged in a sliding manner, wherein the screening plate is used for screening out crushed grains and shells in nuts, a sound insulation box is arranged on the support, the screening plate is arranged in the sound insulation box in a sliding manner, the sound insulation box is communicated with an inlet pipe, the inlet pipe is positioned above the screening plate, one side of the screening plate, which is far away from the inlet pipe, is communicated with a discharge plate, the discharge plate penetrates out of the sound insulation box, the sound insulation box is provided with an opening for the discharge plate to extend out, the utility model discloses a screening device, including soundproof box, baffle box, sound-absorbing layer, the soundproof box internal rotation is provided with an interference section of thick bamboo, the rotation axis of an interference section of thick bamboo is on a parallel with the length direction of screening plate, the screening plate is located an interference section of thick bamboo, be provided with unevenness's sound absorption layer on the interference section of thick bamboo inner wall, be provided with in the soundproof box and connect the hopper, it is located an interference section of thick bamboo to connect the hopper, connect the hopper to be located the screening plate below, be provided with on the screening plate and be used for making the screening plate drive an interference section of thick bamboo pivoted rotating assembly when vibrating from top to bottom.
Through adopting above-mentioned technical scheme, the nut drops to the screening plate from the inlet pipe, during the vibration of screening plate, particle or broken shell in the nut drop to the below connect the hopper in, make the screening plate drive through rotating assembly simultaneously and disturb a section of thick bamboo rotation, disturb a section of thick bamboo and rotate the reflection position of constantly changing the sound wave on disturbing a section of thick bamboo inner wall, the noise that makes screening plate and nut vibration produce absorbs through the multiple reflection on sound absorbing layer, thereby carry out the separation and weaken the noise, can reduce the noise among the operational environment, in order to reduce the harm healthy to the workman.
Preferably, the rotating assembly comprises first clamping blocks arranged along the circumferential direction of the interference cylinder at intervals, an installation block sliding in the sound insulation box, a second clamping block arranged on the installation block in a sliding mode, an elastic pushing part arranged on the installation block and a first transmission part arranged on the screening plate, the sliding direction of the installation 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 installation block, the second clamping block is used for being abutted against the first clamping block, the top wall, close to one side of the first clamping block, of the second clamping block is provided with an arc surface, the arc surface inclines downwards towards the direction far away from the installation block, the elastic pushing part is used for pushing the second clamping block to slide towards the direction close to the first clamping block, and the first transmission part is used for driving the installation block to move when the screening plate vibrates vertically.
By adopting the technical scheme, when the screening plate vibrates, the mounting block is driven to move by the first transmission part, when the mounting block moves upwards, the cambered surface of the second clamping block and the first clamping block slide relatively, the first clamping block is abutted against 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 part 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 against the first clamping block, when the screening plate drives the mounting 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 at a certain angle to reciprocate, in the process that the screening plate drives the mounting block to move in a reciprocating manner, the interference cylinder rotates towards the same direction, and the sound reflection position of the wave can be continuously changed, so that the noise is weakened after multiple reflection absorption, and the noise in the working environment is reduced, and the health of workers is ensured.
Preferably, the elastic pushing member includes a first spring for pushing the second fixture block to slide toward a direction close to the first fixture block, an extending direction of the first spring is parallel to a sliding direction of the second fixture block, one end of the first spring is disposed in the mounting block, and the other end of the first spring is disposed on the second fixture block.
Through adopting above-mentioned technical scheme, promote the direction that the second fixture block orientation is close to first fixture block through first spring and slide, make the second fixture block be located between the adjacent first fixture block to with first fixture block butt, so that when the installation piece drives the second fixture block and reciprocates, the second fixture block promotes first fixture block and removes and makes and disturb a section of thick bamboo and take place to rotate, be favorable to constantly changing the reflection position of sound wave on disturbing a section of thick bamboo inner wall, make the sound wave absorb through the multiple reflection, and then help reducing the harm healthy to the workman.
Preferably, first transmission piece is including installation pole, transfer line and connecting rod, the installation pole articulates on the screening plate, the transfer line rotates to be set up in the sound-proof box, the axis of rotation of transfer line is on a parallel with the axis of rotation of disturbing the section of thick bamboo, the one end and the transfer line that the screening plate was kept away from to the installation pole are 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 one end and the installation piece that the transfer line was kept away from to the connecting rod are articulated, the distance that the transfer line is close to the one end of installation pole to the pivot point is less than the distance that the transfer line is close to connecting rod one end to the pivot point.
Through adopting above-mentioned technical scheme, when the screening plate reciprocated, 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 one end that the transfer line is close to the installation pole is less than the transfer line and is close to the distance of connecting rod one end to turning point, make the distance of sliding of installation piece be greater than the distance of sliding of screening plate, drive first fixture block for the second fixture block and remove and make the interference section of thick bamboo take place to rotate and facilitate, help reducing the noise among the operational environment.
Preferably, be provided with the exhaust hood in the soundproof box, the exhaust hood internal rotation is provided with the induced-draft fan, one side intercommunication that the exhaust hood is close to the induced-draft fan end of induced drafting has the aspiration channel, the aspiration channel extends to in disturbing the section of thick bamboo, one side intercommunication that the exhaust hood is close to the induced-draft fan end of airing exhaust has the exhaust pipe, be provided with the setting bin on the support, the exhaust pipe passes the soundproof box and sets down the bin intercommunication, be provided with in the soundproof box and be used for making and drive the second driving medium of induced-draft fan pivoted when disturbing a section of thick bamboo rotation.
Through adopting above-mentioned technical scheme, when disturbing a section of thick bamboo and rotating, drive the extraction fan through the second driving medium and rotate, inhale to settling tank in with the raise dust that nut vibration produced through the aspiration channel to help reducing the dust volume among the operational environment, further reduce the harm healthy to the workman.
Preferably, the axis of rotation of induced draft fan is on a parallel with the axis of rotation that disturbs a section of thick bamboo, the second driving medium includes ring gear, band pulley and belt, the ring gear sets up the one side that is close to the play flitch at disturbing a section of thick bamboo, the sound-proof box internal rotation 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 a section of thick bamboo, the gear housing is established on first bull stick, gear and ring gear meshing, be provided with the second bull stick on the induced draft fan, the second bull stick rotates on sound-proof box inner wall, the band pulley is established respectively on first bull stick and second bull stick, the belt is around establishing on two band pulleys.
Through adopting above-mentioned technical scheme, when disturbing a section of thick bamboo and rotating, the ring gear drives gear revolve, makes the second bull stick rotate through the transmission of band pulley and belt to realize the rotation of extraction fan, so that inhale to the setting bin through the raise dust that the aspiration channel produced the nut vibration, make the raise dust be difficult for wafting to the air in, reduce the influence to the workman is healthy, simultaneously with low costs, simple structure.
Preferably, the air suction pipe is communicated with a plurality of branch pipes, the 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 dust collection effect, reduces the raise dust and drifts to operational environment in, and the guarantee workman is healthy.
Preferably, the interference cylinder is sleeved with a ratchet wheel, a pawl is arranged in the sound insulation box in a rotating mode, the pawl is meshed with the ratchet wheel, a supporting elastic sheet used for enabling the pawl to reset 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 disturbing a section of thick bamboo and can only move towards one direction, make second fixture block rebound, when relative slip takes place for the cambered surface of second fixture block and first fixture block, the difficult circumstances that promotes first fixture block and make a section of thick bamboo of disturbing the reversal appear.
In a second aspect, the application provides a method for using a nut screening device, which adopts the following technical scheme:
the use method of the nut screening device comprises the following steps:
step 1: conveying nuts to be screened onto a screening plate from a feeding pipe, and starting a vibration motor to drive the screening plate to vibrate up and down;
step 2: broken shells and broken grains in the nuts fall into a material receiving hopper through a screening plate for collection, and the qualified nuts are moved out of a sound insulation box from one side of a discharge plate in the vibration process;
and step 3: when the screening board vibrates, drive through rotating assembly and disturb a section of thick bamboo and rotate, disturb a section of thick bamboo and rotate the in-process, constantly change the sound wave and disturb a reflection position on section of thick bamboo (7) inner wall, make the noise that screening board and nut vibration produced reflect the absorption many times on the sound absorbing layer.
In summary, the present application includes at least one of the following beneficial technical effects:
when the screening plate vibrates, the mounting block is driven to move through the first transmission part, when the mounting block moves upwards, the cambered surface of the second clamping block and the first clamping block slide relatively, the first clamping block is abutted against 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 part 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 against the first clamping block, and when the screening plate drives the mounting 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 at a certain angle to reciprocate, the interference cylinder rotates towards the same direction, the reflection position of sound waves on the inner wall of the interference cylinder can be continuously changed, the noise is weakened after multiple reflection absorption, and the noise in a working environment is reduced, so that the health of workers is guaranteed;
when the interference cylinder rotates, the second transmission part drives the pumping fan to rotate, and raised dust generated by nut vibration is sucked into the settling tank 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 diagram of an embodiment of the present application.
Fig. 2 is a partial structural 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 cross-sectional view of the embodiment of the present application, primarily illustrating the second transmission member.
Description of reference numerals: 1. a support; 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. mounting blocks; 103. a second fixture block; 104. an elastic pusher; 1041. a first spring; 105. a first transmission member; 1051. mounting a rod; 1052. a transmission rod; 1053. a connecting rod; 11. an air draft cover; 12. an exhaust fan; 13. an air suction pipe; 14. an exhaust duct; 15. a settling tank; 16. a second transmission member; 161. a ring gear; 162. a gear; 163. a pulley; 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. a support elastic sheet; 23. screening holes; 24. a telescopic rod; 25. a second spring; 26. a vibration motor; 27. observing the access hole; 28. observing the access door; 29. a strut; 30. a spherical block; 31. a chute; 32. a support bar; 33. a discharge pipe; 34. a loop bar; 35. a guide bar; 36. mounting grooves; 37. and (5) fixing the rod.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses nut sieving mechanism. Referring to fig. 1 and 2, the nut screening device includes a support 1 and a screening plate 2 slidably disposed, the screening plate 2 is used for screening out crushed grains and crushed shells in nuts, a plurality of sieve pores 23 (refer to fig. 6) are formed in the screening plate 2, a longitudinal section of the screening plate 2 is U-shaped, a sliding direction of the screening plate 2 is disposed along a vertical direction, a soundproof box 3 is fixedly connected to the support 1, the screening plate 2 slides in the soundproof box 3, four telescopic rods 24 are fixedly connected to a bottom wall of the screening plate 2, the four telescopic rods 24 are located at four corners of the screening plate 2, an extending direction of the telescopic rods 24 is disposed along the vertical direction, one end of the telescopic rods 24 far away from the screening plate 2 is fixed to the bottom wall of the soundproof box 3, a second spring 25 is movably sleeved on the telescopic rods 24, one end of the second spring 25 is fixed to the bottom wall of the screening plate 2, and the other end is fixed to the bottom wall of the soundproof box 3; the intercommunication has inlet pipe 4 on the soundproof box 3, inlet pipe 4 is located 2 tops of screening plate, the direction downward sloping 5 of inlet pipe 4 is kept away from to screening plate 2 orientation, fixed mounting has vibrating motor 26 on the outer wall that screening plate 2 is close to inlet pipe 4 one side, one side intercommunication that inlet pipe 4 was kept away from to screening plate 2 has a flitch 5, go out flitch 5 and wear out soundproof box 3, soundproof box 3 keeps away from one side of inlet pipe 4 and offers the opening 6 that is used for supplying out flitch 5 and stretches out, go out one side downward sloping that screening plate 2 was kept away from to flitch 5, observation access hole 27 has been seted up on the soundproof box 3, it is provided with the transparent observation access door 28 that is used for opening and close observation access hole 27 to rotate on the soundproof box 3, so that the workman observes the screening condition.
Referring to fig. 1 and 2, the internal rotation of soundproof box 3 is provided with an interference cylinder 7, the axis of rotation of the interference cylinder 7 is parallel to the length direction of the screening plate 2, the screening plate 2 is located in the interference cylinder 7 and runs through both ends of the interference cylinder 7, all be fixed with branch 29 on the roof and the diapire of soundproof box 3, the one end that branch 29 is close to interference cylinder 7 is fixed with spherical piece 30, offer spout 31 with spherical piece 30 sliding fit on the interference cylinder 7, spout 31 is seted up along the circumference of the interference cylinder 7, it has unevenness's sound absorbing layer 8 to bond in the interference cylinder 7, in this embodiment, sound absorbing layer 8 is for inhaling the sound cotton, be fixed with bracing piece 32 on the bottom wall of soundproof box 3, be fixed with on bracing piece 32 and connect hopper 9, connect hopper 9 to be located in the interference cylinder 7, and connect hopper 9 to be located below screening plate 2, the length that connects hopper 9 to be greater than the length of the interference cylinder 7, connect hopper 9 to go up to communicate with discharging pipe 33, discharging pipe 33 extends outside soundproof box 3, be provided with rotation assembly 10 that is used for making interference cylinder 7 pivoted when screening plate 2 vibrates on the screening plate 2.
When the nuts are screened, the nuts are conveyed to the screening plate 2 through the feeding pipe 4, the vibration motor 26 is started to enable the screening plate 2 to move up and down, the crushed particles and the crushed shells fall into the material receiving hopper 9 through the sieve holes 23 in the vibration process of the nuts on the screening plate 2, then the crushed particles and the crushed shells are discharged from the discharging pipe 33 to be collected, and the 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 interference cylinder 7 is driven to rotate through the rotating assembly 10, so that the reflection position of sound waves of noise on the inner wall of the interference cylinder 7 is constantly changed, the noise generated in the vibration process of the screening plate 2 and nuts is absorbed after being reflected for multiple times on the sound absorption layer 8, the noise in a working environment is effectively weakened, and further the damage to the health of workers is reduced; meanwhile, the vibration energy of the screening plate 2 is utilized, and cost saving is facilitated.
Referring to fig. 3 and 4, in order to facilitate the screening plate 2 to move up and down to drive the interference cylinder 7 to rotate, the rotating assembly 10 includes first blocks 101 arranged at intervals along the circumferential direction of the interference cylinder 7, a mounting block 102 arranged in the soundproof box 3 in a sliding manner, a second block 103 arranged on the mounting block 102 in a sliding manner, an elastic pushing member 104 arranged on the mounting block 102, and a first transmission member 105 arranged on the screening plate 2, wherein the first blocks 101 are located on an end surface of the interference cylinder 7 close to the vibration motor 26, the mounting block 102 is located on a side of the screening plate 2 far away from the observation access door 28 (refer to fig. 1), a sliding direction of the mounting block 102 is parallel to a moving direction of the screening plate 2, a sleeve rod 34 is fixed on the bottom wall of the soundproof box 3, a guide rod 35 is arranged in the sleeve rod 34 in a sliding manner, a sliding direction of the guide rod 35 is parallel to a sliding direction of the mounting block 102, an end of the guide rod 35 far away from the sleeve rod 34 is fixedly connected with the mounting block 102, and the sliding engagement of the guide rod 35 and the sleeve rod 34 guides the sliding of the mounting block 102; the mounting groove 36 is formed in one side, away from the screening plate 2, of the mounting block 102, the second fixture block 103 slides in the mounting groove 36, the sliding direction of the second fixture block 103 is perpendicular to the sliding direction of the mounting block 102, the second fixture block 103 is used for being abutted to the first fixture block 101 on the horizontal axis of the interference cylinder 7, the upper surface, away from one side of the mounting block 102, of the second fixture block 103 is set to be an arc surface, the arc surface inclines downwards in the direction away from the mounting block 102, the thickness of the second fixture block 103 is smaller than the distance between the adjacent first fixture blocks 101, the elastic pushing part 104 is used for pushing the second fixture block 103 to slide in the direction close to the first fixture block 101, and the first pushing part 105 is used for driving the mounting block 102 to move when the screening plate 2 vibrates vertically.
Referring to fig. 3 and 4, the elastic pushing element 104 includes a first spring 1041 for pushing the second latch 103 to slide toward the direction close to the first latch 101, the extending direction of the first spring 1041 is parallel to the sliding direction of the second latch 103, one end of the first spring 1041 is fixed on the bottom wall of the mounting groove 36, and the other end is fixedly connected to one side of the second latch 103 close to 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 side of the screening plate 2 close to the mounting block 102, the hinge axis of the mounting rod 1051 is parallel to the rotation axis of the interference drum 7, a fixing rod 37 is fixedly connected to the bottom wall of the soundproof box 3 along 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 is rotated at the top end of the fixing rod 37, the rotation axis of the transmission rod 1052 is parallel to the rotation axis of the interference drum 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, one end of the mounting rod 1051 far from the screening plate 2 is hinged with one end of the transmission rod 1052 close to the screening plate 2, the connecting rod 1053 is slid in one end of the transmission rod 1052 far from the mounting rod 1051, the sliding direction of the connecting rod 1053 is parallel to the length direction of the transmission rod 1052, one end of the connecting rod 1053 is far from the second fixture 103, one end of the connecting rod 1053 far from the transmission rod 1052 and one side of the mounting block 102 far from the second fixture 103 is hinged, and the distance from one end of the mounting rod 10537 is smaller than the end of the connecting rod 1052 close to the connecting rod 1053 close to the fixing rod 10537. In other embodiments, the first transmission member 105 may be replaced by a cross bar, one end of which is fixed on the mounting block 102, and the other end of which is fixed on the screening plate 2, so that the mounting block 102 can be driven to slide when the screening plate 2 vibrates up and down.
When the screening plate 2 moves upwards, the installation rod 1051 pulls the transmission rod 1052 to rotate, so that the transmission rod 1052 and the connecting rod 1053 slide relatively, the connecting rod 1053 drives the installation block 102 to slide downwards, and because the distance from one end of the transmission rod 1052 close to the installation rod 1051 to the fixed rod 37 is smaller than the distance from one end of the transmission rod 1052 close to the connecting rod 1053 to the fixed rod 37, the distance that the installation block 102 moves downwards is larger than the distance that the screening plate 2 moves upwards, when the installation block 102 moves downwards, the second fixture block 103 pushes the first fixture block 101 on 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, so that the connection rod 1053 drives the mounting block 102 to move upwards, at this time, the arc surface of the second fixture block 103 abuts against the first fixture block 101 above the second fixture block 103, and the second fixture block 103 slides towards the direction close to the mounting groove 36, the first spring 1041 is compressed until the second fixture block 103 is separated from the side wall of the first fixture block 101, that is, the mounting block 102 drives the second fixture block 103 to move upwards to the gap between the two first fixture blocks 101, the first spring 1041 pushes the second fixture block 103 to slide towards the direction close to the first fixture block 101, so that the top sides of the second fixture block 103 and the first fixture block 101 abut against each other, then the screening plate 2 moves upwards, so that the second fixture block 103 pushes the first fixture block 101 to move downwards, the interference barrel 7 is driven to continue to rotate in the same direction, and the rotation of the interference barrel 7 is achieved, thereby constantly changing the reflection position of sound waves on the inner wall of the interference barrel 7 to weaken noise and reduce the damage to the health of workers 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 disposed on the bottom wall of the soundproof box 3, the rotation axis of the pawl 21 is parallel to the rotation axis of the interference cylinder 7, the pawl 21 is located on the axis of the interference cylinder 7, the pawl 21 is used for being engaged with the ratchet 20, one side of the screening plate 2 close to the vibration motor 26 is used as a reference surface, teeth on the ratchet 20 incline clockwise, a support elastic sheet 22 is fixed in the soundproof box 3, the support elastic sheet 22 is connected with one side of the pawl 21 away from the fixing rod 37, and in this embodiment, the support elastic sheet 22 is an elastic steel sheet. Through the cooperation of the ratchet 20 and the pawl 21, the interference barrel 7 can only rotate towards the same direction, so that the possibility that the second fixture block 103 pushes the first fixture block 101 to enable the interference barrel 7 to rotate reversely when the mounting block 102 drives the second fixture block 103 to move upwards is reduced.
Referring to fig. 2 and 6, an exhaust hood 11 is fixed on an inner wall of one side of the soundproof box 3 close to the discharge plate 5 through a support plate, an exhaust fan 12 is rotatably disposed in the exhaust hood 11, a rotation axis of the exhaust fan 12 is parallel to a rotation axis of the interference cylinder 7, one side of the exhaust fan 12 away from the interference cylinder 7 is fixedly connected with a second rotating rod 18, the second rotating rod 18 rotates on the inner wall of one side of the soundproof box 3 close to the discharge plate 5, one side of the exhaust hood 11 close to an air suction end of the exhaust fan 12 is communicated with an air suction pipe 13, the air suction pipe 13 extends into the interference cylinder 7, a length direction of the air suction pipe 13 is parallel to the rotation axis of the interference cylinder 7, the air suction pipe 13 is communicated with a plurality of branch pipes 19, the plurality of branch pipes 19 are arranged along a length direction of the air suction pipe 13, the branch pipes 19 are disposed above the screening plate 2 and facing the screening plate 2, one side of the exhaust pipe 11 close to an air discharge end of the exhaust fan 12 is communicated with an exhaust pipe 14, the exhaust pipe 14 extends out of the soundproof box 3, a settlement box 15 is fixed on the support 1 (refer to fig. 1), one end of the exhaust pipe 14 is located outside the soundproof box 3 and the settlement box is communicated with an interference cylinder cover 15, and a transmission member 16 for connecting the second rotating of the second exhaust box for connecting the second exhaust box for the second exhaust fan 12.
Referring to fig. 6, a first rotating rod 17 is rotatably disposed on an inner wall of the soundproof box 3 on a side close to the discharge plate 5, a rotation axis of the first rotating rod 17 is parallel to a rotation axis of the interference cylinder 7, the first rotating rod 17 is located above the second rotating rod 18, the second transmission member 16 includes a ring gear 161, a gear 162, a pulley 163 and a belt 164, the ring gear 161 is fixedly connected to an end surface of the interference cylinder 7 on a side close to the discharge plate 5, the gear 162 is fixedly sleeved on the first rotating rod 17, the gear 162 is engaged with the ring gear 161, the gear 162 is located in the ring gear 161, the pulleys 163 are respectively fixedly sleeved on the first rotating rod 17 and the second rotating rod 18, the belt 164 is wound on the two pulleys 163, and a diameter of the pulley 163 located on the first rotating rod 17 is larger than a diameter of the pulley 163 located on the second rotating rod 18, which helps to increase a rotation speed of the second rotating rod 18.
When disturbing a section of thick bamboo 7 and rotating, ring gear 161 drives gear 162 and rotates to make first bull stick 17 rotate, transmission through band pulley 163 and belt 164 makes second bull stick 18 drive extraction fan 12 and rotate, extraction fan 12 inhales the raise dust that nut vibration produced to exhaust pipe 14 in through branch pipe 19, then carry and deposit in settling tank 15, in order to reduce the possibility that the raise dust drifted to operational environment, and then effectively guarantee workman's health, simultaneously with low costs.
The implementation principle of the embodiment of the application is as follows: when the nuts are screened, the nuts are conveyed to the screening plate 2 through the feeding pipe 4, the vibration motor 26 is started to enable the screening plate 2 to move up and down, the crushed particles and the crushed shells fall into the material receiving hopper 9 through the sieve holes 23 in the vibration process of the nuts on the screening plate 2, then the crushed particles and the crushed shells are discharged from the discharging pipe 33 to be collected, and the 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 fixture block 103 pushes the first fixture block 101 to move downwards, the interference barrel 7 rotates to a certain extent, the interference barrel 7 drives the ratchet wheel 20 to rotate, the ratchet wheel 20 pushes the pawl 21 to rotate towards a direction away from the fixed rod 37, the supporting elastic piece 22 is pressed, the supporting elastic piece 22 pushes the pawl 21 to rotate towards a direction close to the fixed rod 37, and the pawl 21 is enabled to be continuously meshed with the ratchet wheel 20; when the screening plate 2 moves downwards, the mounting rod 1051 pushes the transmission rod 1052 to rotate reversely, so that the connection rod 1053 drives the mounting block 102 to move upwards, at this time, the arc surface on the second fixture block 103 abuts against the first fixture block 101 above and slides relatively, at this time, the pawl 21 limits the reverse rotation of the ratchet 20, the first fixture block 101 enables the second fixture block 103 to slide towards the direction close to the mounting groove 36, the first spring 1041 compresses until the second fixture block 103 is separated from the abutted first fixture block 101, the first spring 1041 pushes the second fixture block 103 to slide towards the direction close to the first fixture block 101, the second fixture block 103 moves between adjacent first fixture blocks 101 and is abutted against the top side of the first fixture block 101 below, then the screening plate 2 moves upwards, the mounting block 102 drives the second fixture block 103 to push the first fixture block 101 to move downwards, the interference barrel 7 continues to rotate, and accordingly, the screening plate 2 moves upwards and downwards to drive the interference barrel 7 to rotate towards the same direction, which is beneficial to constantly change the reflection position of sound waves on the inner wall of the interference barrel 7, so that the noise is reflected by the sound absorption layer 8 for a plurality of times, and the damage to health of workers is reduced to a certain extent.
When disturbing a section of thick bamboo 7 and rotating, ring gear 161 drives gear 162 and rotates to make first bull stick 17 rotate, through the transmission of band pulley 163 and belt 164, make second bull stick 18 drive extraction fan 12 and rotate, extraction fan 12 inhales the raise dust that the nut vibration produced to exhaust pipe 14 in through branch pipe 19, then carries and deposits in settling tank 15, makes the raise dust be difficult for wafting to operational environment, further guarantees workman's health.
The embodiment of the application discloses a use method of the nut screening device. A use method of the nut screening device comprises the following steps:
step 1: conveying nuts to be screened onto the screening plate 2 from the feeding pipe 4, starting the vibration motor 26, and driving the screening plate 2 to vibrate up and down;
step 2: broken shells and broken grains in the nuts fall into the material receiving hopper 9 through the sieve holes 23 on the sieving plate 2 and are discharged out of the sound insulation box 3 through the discharge pipe 33 for collection, and the qualified nuts are moved out of the sound insulation box 3 from the discharge plate 5 in the vibration process and enter the next process;
and step 3: when the screening plate 2 vibrates, the interference cylinder 7 is driven to rotate towards the same direction through the rotating assembly 10, and in the rotating process of the interference cylinder 7, the reflecting position of noise generated by the screening plate 2 and the nut vibration on the inner wall of the interference cylinder 7 is constantly changed, so that the noise is reflected and absorbed on the sound absorption layer 8 for multiple times;
and 4, step 4: when the interference cylinder 7 rotates, the gear 162 and the first rotating rod 17 are driven to rotate by the gear ring 161, the second rotating rod 18 and the pumping fan 12 are driven to rotate by the first rotating rod 17 through the belt wheel 163 and the belt 164, and the pumping fan 12 sucks the dust generated by the nut vibration into the exhaust pipe 14 through the branch pipe 19 and the suction pipe 13, and then the dust enters the settling tank 15 for settling.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a nut sieving mechanism, includes support (1) and screening board (2) that slide to set up, screening board (2) are arranged in sieving out the particle and the broken shell in the nut, its characterized in that: be provided with sound-proof box (3) on support (1), screening board (2) slide and set up in sound-proof box (3), the intercommunication has inlet pipe (4) on sound-proof box (3), inlet pipe (4) are located screening board (2) top, one side intercommunication that inlet pipe (4) were kept away from in screening board (2) has play flitch (5), go out flitch (5) and wear out sound-proof box (3), offer opening (6) that are used for supplying out flitch (5) to stretch out on sound-proof box (3), sound-proof box (3) internal rotation is provided with and disturbs a section of thick bamboo (7), the axis of rotation that disturbs a section of thick bamboo (7) is on a parallel with the length direction of screening board (2), screening board (2) are located and disturb a section of thick bamboo (7), be provided with unevenness sound absorbing layer (8) on disturbing section of thick bamboo (7) inner wall, be provided with in the sound-proof box (3) and connect hopper (9), connect hopper (9) to be located and disturb a section of thick bamboo (7), connect hopper (9) to be located and to disturb when connecting the rotation subassembly (10) and being used for screening board (2) rotation.
2. The nut sifting apparatus of claim 1 further comprising: the rotating assembly (10) comprises first clamping blocks (101) arranged at intervals along the circumferential direction of the interference cylinder (7), an installation block (102) sliding in the sound insulation box (3), second clamping blocks (103) arranged on the installation block (102) in a sliding mode, an elastic pushing piece (104) arranged on the installation block (102) and a first transmission piece (105) arranged on the screening plate (2), the sliding direction of the installation block (102) is parallel to the moving direction of the screening plate (2), the sliding direction of the second clamping blocks (103) is perpendicular to the sliding direction of the installation block (102), the second clamping blocks (103) are used for being abutted against the first clamping blocks (101), the top wall of one side, close to the first clamping blocks (101), of the second clamping blocks (103) is set to be an arc surface, the arc surface inclines downwards in the direction far away from the installation block (102), the elastic pushing piece (104) is used for pushing the second clamping blocks (103) to slide in the direction close to the first clamping blocks (101), and the first transmission piece (105) is used for driving the installation block (102) to move when the screening plate (2) vibrates up and down.
3. The nut sifting apparatus of claim 2, further comprising: the elastic pushing piece (104) comprises a first spring (1041) used for pushing the second fixture block (103) to slide towards the direction close to the first fixture block (101), the extending direction of the first spring (1041) is parallel to the sliding direction of the second fixture block (103), one end of the first spring (1041) is arranged in the mounting block (102), and the other end of the first spring (1041) is arranged on the second fixture block (103).
4. The nut sifting apparatus of claim 2 further comprising: the first transmission member (105) comprises a mounting rod (1051), a transmission rod (1052) and a connecting rod (1053), the mounting rod (1051) is hinged on the screening plate (2), the transmission rod (1052) is rotatably arranged in the sound insulation box (3), the rotation axis of the transmission rod (1052) is parallel to the rotation axis of the interference drum (7), one end of the mounting rod (1051) far away from the screening plate (2) is hinged with the transmission rod (1052), the connecting rod (1053) is slidably arranged at one end of the transmission rod (1052) far 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), one end of the connecting rod (1053) far away from the transmission rod (1052) is hinged with the mounting block (102), and the distance from one end of the transmission rod (1052) close to the rotation point is smaller than the distance from one end of the transmission rod (1052 close to the rotation point of the connecting rod (1053).
5. The nut sifting apparatus of claim 1, further comprising: be provided with in soundproof box (3) draft hood (11), draft hood (11) internal rotation is provided with induced-draft fan (12), one side intercommunication that induced-draft fan (12) are close to induced-draft fan (11) induced draft end has aspiration channel (13), aspiration channel (13) extend to in disturbing a section of thick bamboo (7), one side intercommunication that induced-draft hood (11) are close to induced-draft fan (12) end of airing exhaust has exhaust pipe (14), be provided with on support (1) and subside case (15), exhaust pipe (14) pass soundproof box (3) and subside case (15) intercommunication, be provided with in soundproof box (3) and be used for making to disturb and drive when section of thick bamboo (7) rotate and take turbofan (12) pivoted second driving medium (16).
6. The nut sifting apparatus of claim 5 further comprising: the axis of rotation of extraction fan (12) is on a parallel with the axis of rotation that disturbs a section of thick bamboo (7), second driving medium (16) include ring gear (161), gear (162), band pulley (163) and belt (164), ring gear (161) set up and disturb a section of thick bamboo (7) and be close to one side of play flitch (5), sound-proof box (3) internal rotation is provided with first bull stick (17), the axis of rotation of first bull stick (17) is on a parallel with the axis of rotation that disturbs a 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 extraction fan (12), second bull stick (18) rotate on sound-proof box (3) inner wall, band pulley (163) overlap respectively on first bull stick (17) and second bull stick (18), belt (164) are around establishing on two band pulleys (163).
7. The nut sifting apparatus of claim 5 further comprising: the utility model discloses a screening board, a plurality of, aspiration channel (13) go up the intercommunication has a plurality of branch pipes (19), and is a plurality of branch pipe (19) are arranged along the length direction of screening board (2), branch pipe (19) are located screening board (2) top.
8. The nut sifting apparatus of claim 2 further comprising: the interference cylinder (7) is sleeved with a ratchet wheel (20), a pawl (21) is arranged in the sound insulation box (3) in a rotating mode, the pawl (21) is meshed with the ratchet wheel (20), a supporting elastic sheet (22) used for enabling the pawl (21) to reset is arranged on the sound insulation box (3), and one end, far away from the sound insulation box (3), of the supporting elastic sheet (22) is arranged on the pawl (21).
9. A method of using the nut sifting apparatus of any of claims 1-8 comprising the steps of:
step 1: conveying nuts to be screened onto the screening plate (2) from the feeding pipe (4), starting the vibrating motor (26) and driving the screening plate (2) to vibrate up and down;
step 2: broken shells and broken grains in the nuts fall into a material receiving hopper (9) through a screening plate (2) for collection, and the qualified nuts are moved out of a sound insulation box (3) from one side of a material discharging plate (5) in the vibration process;
and step 3: when screening board (2) vibrate, drive through rotating assembly (10) and disturb a section of thick bamboo (7) and rotate, disturb a section of thick bamboo (7) and rotate the in-process, constantly change the sound wave and disturb a reflection position on section of thick bamboo (7) inner wall, make the noise that screening board (2) and nut vibration produced reflect absorption many times on sound absorbing layer (8).
CN202210921109.3A 2022-08-02 2022-08-02 Nut screening device and application method thereof Active CN115254602B (en)

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Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226299A (en) * 1978-05-22 1980-10-07 Alphadyne, Inc. Acoustical panel
DE4231487A1 (en) * 1992-09-21 1994-03-24 Nuedling Franz C Basaltwerk Sound absorbing, constructional wall element - has cover layer, whose wall is fitted with sound absorbing layer, or plates on rear side and has air gap between cover and support layers
KR940008648A (en) * 1992-10-16 1994-05-16 이헌조 Noise reduction structure of vacuum cleaner
JPH09225326A (en) * 1996-02-27 1997-09-02 Iseki & Co Ltd Huller having soundproof wall
CN2867840Y (en) * 2006-01-08 2007-02-14 张希槐 Corn threshing-cleaning combine harvester
CN201666174U (en) * 2010-03-24 2010-12-08 杭州吉大空分设备有限公司 Low PSA decibel muffler
CN103978851A (en) * 2014-05-28 2014-08-13 成都陵川特种工业有限责任公司 Resistive wall silencer
CN203844553U (en) * 2014-05-28 2014-09-24 成都陵川特种工业有限责任公司 Automobile noise reduction tire cover
CN105026572A (en) * 2013-03-08 2015-11-04 希乐克公司 Filtration
CN107486291A (en) * 2017-10-18 2017-12-19 陈银芳 A kind of ore extraction screening machine
CN208494875U (en) * 2018-04-10 2019-02-15 什邡圣地亚化工有限公司 A kind of sample classification drum sieve
CN210411447U (en) * 2019-06-26 2020-04-28 义乌市可佩智能科技有限公司 Low-noise smashing and screening machine
CN210474630U (en) * 2019-09-04 2020-05-08 许凤军 Fruit footpath size sieving mechanism
CN211637246U (en) * 2019-12-13 2020-10-09 盐津铺子食品股份有限公司 Screening device for dried fruits
CN213792700U (en) * 2020-10-12 2021-07-27 福建丰源资源再生利用科技发展有限公司 Ore pulp screening plant for ore dressing
CN216342670U (en) * 2021-11-30 2022-04-19 海安市锦荣化纤有限公司 Air compressor machine is used in production of polyamide fibre multifilament with efficiency of making an uproar is fallen
CN216512866U (en) * 2022-01-14 2022-05-13 沈阳百事得净化设备有限公司 Environment-friendly molecular sieve oxygenerator

Patent Citations (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4226299A (en) * 1978-05-22 1980-10-07 Alphadyne, Inc. Acoustical panel
DE4231487A1 (en) * 1992-09-21 1994-03-24 Nuedling Franz C Basaltwerk Sound absorbing, constructional wall element - has cover layer, whose wall is fitted with sound absorbing layer, or plates on rear side and has air gap between cover and support layers
KR940008648A (en) * 1992-10-16 1994-05-16 이헌조 Noise reduction structure of vacuum cleaner
JPH09225326A (en) * 1996-02-27 1997-09-02 Iseki & Co Ltd Huller having soundproof wall
CN2867840Y (en) * 2006-01-08 2007-02-14 张希槐 Corn threshing-cleaning combine harvester
CN201666174U (en) * 2010-03-24 2010-12-08 杭州吉大空分设备有限公司 Low PSA decibel muffler
CN105026572A (en) * 2013-03-08 2015-11-04 希乐克公司 Filtration
CN203844553U (en) * 2014-05-28 2014-09-24 成都陵川特种工业有限责任公司 Automobile noise reduction tire cover
CN103978851A (en) * 2014-05-28 2014-08-13 成都陵川特种工业有限责任公司 Resistive wall silencer
CN107486291A (en) * 2017-10-18 2017-12-19 陈银芳 A kind of ore extraction screening machine
CN208494875U (en) * 2018-04-10 2019-02-15 什邡圣地亚化工有限公司 A kind of sample classification drum sieve
CN210411447U (en) * 2019-06-26 2020-04-28 义乌市可佩智能科技有限公司 Low-noise smashing and screening machine
CN210474630U (en) * 2019-09-04 2020-05-08 许凤军 Fruit footpath size sieving mechanism
CN211637246U (en) * 2019-12-13 2020-10-09 盐津铺子食品股份有限公司 Screening device for dried fruits
CN213792700U (en) * 2020-10-12 2021-07-27 福建丰源资源再生利用科技发展有限公司 Ore pulp screening plant for ore dressing
CN216342670U (en) * 2021-11-30 2022-04-19 海安市锦荣化纤有限公司 Air compressor machine is used in production of polyamide fibre multifilament with efficiency of making an uproar is fallen
CN216512866U (en) * 2022-01-14 2022-05-13 沈阳百事得净化设备有限公司 Environment-friendly molecular sieve oxygenerator

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