CN117680291B - Centrifugal machine for continuously screening granular materials - Google Patents
Centrifugal machine for continuously screening granular materials Download PDFInfo
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- CN117680291B CN117680291B CN202410101538.5A CN202410101538A CN117680291B CN 117680291 B CN117680291 B CN 117680291B CN 202410101538 A CN202410101538 A CN 202410101538A CN 117680291 B CN117680291 B CN 117680291B
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- centrifugal
- centrifugal screen
- outer cylinder
- screen drum
- feeding
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- 239000008187 granular material Substances 0.000 title claims abstract description 32
- 238000012216 screening Methods 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 31
- 230000007246 mechanism Effects 0.000 claims description 23
- 238000000926 separation method Methods 0.000 claims description 16
- 239000011236 particulate material Substances 0.000 claims description 8
- 239000003638 chemical reducing agent Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 30
- 239000002245 particle Substances 0.000 abstract description 16
- 238000000034 method Methods 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 9
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 8
- 235000017491 Bambusa tulda Nutrition 0.000 description 8
- 241001330002 Bambuseae Species 0.000 description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 8
- 239000011425 bamboo Substances 0.000 description 8
- 230000009471 action Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B3/00—Centrifuges with rotary bowls in which solid particles or bodies become separated by centrifugal force and simultaneous sifting or filtering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B11/00—Feeding, charging, or discharging bowls
- B04B11/02—Continuous feeding or discharging; Control arrangements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B15/00—Other accessories for centrifuges
- B04B15/06—Other accessories for centrifuges for cleaning bowls, filters, sieves, inserts, or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B7/00—Elements of centrifuges
- B04B7/08—Rotary bowls
- B04B7/18—Rotary bowls formed or coated with sieving or filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
- B04B9/08—Arrangement or disposition of transmission gearing ; Couplings; Brakes
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a centrifugal machine for continuously screening granular materials, and relates to the field of centrifugal machines. According to the centrifugal screen, the outer cylinder body and the centrifugal screen cylinder of the centrifugal machine are obliquely arranged, so that when the centrifugal screen cylinder rotates to centrifugally screen particle materials and impurities, the impurities can be screened out of the centrifugal screen cylinder through the screen holes on the centrifugal screen cylinder, and the screened impurities are collected and discharged through the discharge hopper; the centrifugal screen drum is driven to rotate through the cooperation of the spiral feeding component and the rotary driving component, so that the driving working process of the centrifugal screen drum is more convenient.
Description
Technical Field
The invention belongs to the field of centrifuges, and particularly relates to a centrifuger for continuously screening granular materials.
Background
The centrifugal machine is a machine which utilizes centrifugal force to accelerate the separation of different materials to be separated. Centrifuges are used in chemical, petroleum, food, pharmaceutical, mineral separation, coal, water treatment, and marine sectors. In the prior art, when particles and impurities in solid particles are separated through a centrifugal machine, the separated particle materials are placed in a centrifugal barrel, the impurities are placed in the outer side of the centrifugal barrel, an operator needs to recover the separated particle materials after the centrifugal work is finished, and the impurities on the outer side of the centrifugal barrel are cleaned, so that the centrifugal machine cannot work continuously, and the working efficiency of the centrifugal machine is reduced.
Chinese patent CN218796575U discloses a centrifugal machine for particle medicine production, including workstation, base and centrifugal net section of thick bamboo, the workstation upper surface is provided with the protection bucket, the inside cavity of protection bucket, the protection bucket top is provided with the upper cover, protection bucket front side below is provided with the flitch, the flitch link up with the protection bucket is inside, the centrifugal net section of thick bamboo passes through the bearing and installs perpendicularly at the workstation upper surface, the centrifugal net section of thick bamboo is arranged in the protection bucket inside, centrifugal net section of thick bamboo bottom is the T type, centrifugal net section of thick bamboo outside bottom is provided with the poking rod, the workstation upper surface is through the bearing vertical installation gear, the gear is arranged in the protection bucket inside, the guide disc is installed through the bearing in the protection bucket inside, the guide disc is arranged in the centrifugal net section of thick bamboo outside, the guide disc inboard surface below is inlayed and is had the ring gear.
The utility model provides a be provided with in above-mentioned patent inside can slow pivoted guide disc at centrifuge, transport the impurity that separates through the rotation of charging disc, then export the impurity through corresponding flitch, need not the manual work and clear up, but the granule material after the separation still remains in centrifugal net section of thick bamboo inside, therefore still need close centrifuge after centrifugal separation is accomplished, take out the granule material after the separation in the centrifugal net section of thick bamboo again, and then make the unable continuous screening work of centrifuge, reduced centrifuge's work efficiency.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a centrifugal machine for continuously screening granular materials, which aims to solve the technical problems that the centrifugal machine in the related art can not continuously screen the granular materials after separation and remain in a centrifugal net barrel during the working, so that the centrifugal machine is required to be closed after the centrifugal separation is finished, and the separated granular materials are taken out from the centrifugal net barrel, thereby the working efficiency of the centrifugal machine is reduced.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a centrifugal machine for continuously screening granular materials, which comprises an outer cylinder body and a bracket, wherein the outer cylinder body is obliquely arranged at the top end of the bracket, a centrifugal separation mechanism is arranged in the outer cylinder body, and the centrifugal separation mechanism comprises a centrifugal screen cylinder which is rotatably arranged in the outer cylinder body and is coaxially arranged with the outer cylinder body;
the feeding mechanism comprises a feeding pipe and a spiral feeding assembly, the feeding pipe is fixedly arranged at one end of the outer cylinder, which is inclined upwards, and is communicated with the centrifugal screen cylinder, and the spiral feeding assembly is arranged in the feeding pipe;
the centrifugal separation mechanism further comprises a rotary driving assembly and a vibration driving assembly, and the rotary driving assembly and the vibration driving assembly are in transmission connection with the spiral feeding assembly, so that the rotary driving assembly and the vibration driving assembly can drive the centrifugal screen cylinder to rotate and vibrate in a reciprocating manner when the spiral feeding assembly rotates and feeds materials;
The discharging mechanism comprises a discharging funnel and a discharging pipe, wherein the discharging funnel is fixedly arranged at the bottom end of the outer cylinder body, and the discharging pipe is fixedly arranged at one end of the outer cylinder body, which is inclined downwards, and is communicated with the tail end of the centrifugal screen cylinder.
Further, the top end of the feeding pipe is fixedly connected with a feeding pipe;
the spiral feeding assembly comprises a motor and a conveying shaft, the conveying shaft is rotatably installed in the conveying pipe, a feeding auger is fixedly installed on the surface of the conveying shaft, the motor is fixedly installed at one end of the bottom of the conveying pipe, and the motor is in transmission connection with the conveying shaft through a speed reducer installed at the end part of the conveying pipe.
Further, the rotary driving assembly comprises a rotating shaft, a transmission shaft and a gear ring, the rotating shaft is rotatably arranged on the inner side end wall of the outer cylinder, one end of the rotating shaft extends into the centrifugal screen cylinder and is fixedly connected with the end part of the conveying shaft, and a driving wheel is fixedly arranged on one side, close to the end wall of the outer cylinder, of the rotating shaft;
The transmission shaft is rotatably arranged on the inner side end wall of the outer cylinder body, one end of the transmission shaft extends to the outer ring of the centrifugal screen cylinder, the transmission shaft is fixedly provided with a driven wheel and a gear, the driven wheel is in transmission connection with the transmission wheel through a transmission belt, and the gear ring is arranged on the outer ring of the centrifugal screen cylinder and is in meshed transmission connection with the gear.
Further, the two ends of the inner part of the outer cylinder are fixedly provided with supports, and the two ends of the centrifugal screen cylinder are respectively connected with the two supports in a sliding manner;
The end part of the gear ring is rotatably arranged on the outer side face of the support at the right side end, a spline is fixedly arranged on the inner ring of the gear ring, and a spline groove which is in sliding clamping connection with the spline is formed in the outer ring of the centrifugal screen cylinder.
Further, the vibration driving assembly comprises a pressure spring, a fixed arc-shaped wedge strip and a movable arc-shaped wedge strip, wherein the fixed arc-shaped wedge strip is fixedly arranged on the outer side surface of a support at the left side end, the movable arc-shaped wedge strip is fixedly arranged on the outer ring at the left side end of the centrifugal screen drum, and the movable arc-shaped wedge strip can pass through the fixed arc-shaped wedge strip when driven by the centrifugal screen drum to do circular motion;
The pressure spring is movably sleeved on the surface of the feeding pipe, one end of the pressure spring is abutted to the inner wall of the outer cylinder body, and the other end of the pressure spring is abutted to the end part of the centrifugal screen cylinder.
Further, the fixed arc-shaped wedge strips and the movable arc-shaped wedge strips are all provided with a plurality of fixed arc-shaped wedge strips and a plurality of movable arc-shaped wedge strips which are distributed at equal intervals in circumference on the support and the centrifugal screen cylinder respectively, and a buffer cushion is fixedly installed on the abutting surface of the tail end of the inner side surface of the movable arc-shaped wedge strip and the support.
Further, two ends of the rotating shaft are fixedly provided with turntables positioned on the inner rings of the centrifugal screen cylinders, the outer rings of the two turntables are fixedly provided with a plurality of connecting frames which are distributed at equal intervals, and a shoveling plate is fixedly arranged between every two adjacent connecting frames.
Further, the support of the outer right side end of the outer barrel isolates the inner right side of the outer barrel to form a discharging cavity, a discharging hole is formed in the bottom surface of the discharging cavity, and the discharging pipe is fixedly arranged at the lower end of the discharging hole.
The invention has the following beneficial effects:
1. According to the centrifugal machine, the outer cylinder body and the centrifugal screen cylinder of the centrifugal machine are obliquely arranged, so that when the centrifugal screen cylinder rotates to centrifugally screen particle materials and impurities, the impurities can be screened out of the centrifugal screen cylinder through the screen holes on the centrifugal screen cylinder, and the screened impurities are collected and discharged through the discharge hopper, and the particle materials are conveyed to one obliquely downward end of the centrifugal screen cylinder in the centrifugal screen cylinder when the centrifugal screen cylinder rotates and finally discharged from the discharge pipe, so that the screened and separated impurities and the particle materials can be synchronously discharged while the centrifugal machine centrifugally screens, and equipment is not required to be stopped for cleaning and discharging after centrifugal screening is completed, so that the centrifugal machine can continuously screen and work, and the work efficiency of the centrifugal machine is improved.
2. According to the centrifugal screen drum, the feeding pipe and the spiral feeding mechanism are arranged at one end of the outer drum body, which is inclined upwards, so that continuous feeding in the centrifugal screen drum is facilitated through the feeding pipe and the spiral feeding mechanism, and when the spiral feeding assembly rotates for feeding, the centrifugal screen drum can be driven to rotate through the rotation driving assembly, and a driving source is not required to be additionally arranged in the outer drum body to drive the centrifugal screen drum to rotate, so that the driving process of the centrifugal screen drum is more convenient.
3. According to the centrifugal screen cylinder, the vibration driving assembly can drive the centrifugal screen cylinder to vibrate in a reciprocating manner while the centrifugal screen cylinder rotates, so that the particle materials and impurities in the centrifugal screen cylinder are driven to vibrate, the centrifugal screening effect and screening efficiency of the particle materials and impurities in the centrifugal screen cylinder can be improved through vibration, meanwhile, the screen holes of the centrifugal screen cylinder can be prevented from being blocked, and the normal and stable operation of the centrifugal screen cylinder is ensured.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the invention, the drawings that are needed for the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the invention, and that it is also possible for a person skilled in the art to obtain the drawings from these drawings without inventive effort.
FIG. 1 is a schematic drawing of a three-dimensional cut-away structure of a centrifuge of the present invention;
FIG. 2 is a schematic view of the structure of the present invention shown in FIG. 1 at a partially enlarged scale;
FIG. 3 is a schematic view of the structure of the present invention shown in FIG. 1 at B in a partially enlarged manner;
FIG. 4 is a schematic diagram of a second perspective cut-away structure of the centrifuge of the present invention;
FIG. 5 is a schematic view of the structure of the present invention shown in FIG. 4 at C in an enlarged partial view;
FIG. 6 is a third schematic perspective cut-away view of the centrifuge of the present invention;
FIG. 7 is a schematic view of a partially enlarged structure of the invention at D of FIG. 6;
Fig. 8 is a schematic perspective view of a centrifuge according to the present invention.
In the figure: 1. an outer cylinder; 2. a bracket; 3. a centrifugal separation mechanism; 31. a centrifugal screen drum; 32. a rotating shaft; 33. a pressure spring; 34. a support; 35. a turntable; 36. a connecting frame; 37. a shoveling plate; 38. a driving wheel; 39. a transmission belt; 310. a transmission shaft; 311. driven wheel; 312. a gear; 313. a gear ring; 314. a spline; 315. spline grooves; 316. fixed arc wedge strips; 317. a movable arc wedge strip; 4. a feed mechanism; 41. a motor; 42. a feed pipe; 43. a feed pipe; 44. a conveying shaft; 45. feeding augers; 5. a discharging mechanism; 51. a discharge hopper; 52. a discharge hole; 53. a discharge cavity; 54. and a discharging pipe.
Detailed Description
The following description of the technical solutions in the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, based on the embodiments in the invention, which a person of ordinary skill in the art would obtain without inventive faculty, are within the scope of the invention.
In the description of the present invention, it should be understood that the terms "open," "upper," "lower," "top," "middle," "inner," and the like indicate an orientation or positional relationship, merely for convenience of description and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
Referring to fig. 1-3, the invention discloses a centrifugal machine for continuously screening granular materials, which comprises an outer cylinder 1 and a bracket 2, wherein the outer cylinder 1 is obliquely arranged at the top end of the bracket 2, a centrifugal separation mechanism 3 is arranged in the outer cylinder 1, and the centrifugal separation mechanism 3 comprises a centrifugal screen drum 31 which is rotatably arranged in the outer cylinder 1 and is coaxially arranged with the outer cylinder 1; the two ends of the outer cylinder body 1 are respectively provided with a feeding mechanism 4 and a discharging mechanism 5, the feeding mechanism 4 comprises a feeding pipe 43 and a spiral feeding assembly, the feeding pipe 43 is fixedly arranged at one end of the outer cylinder body 1 which is inclined upwards and communicated with the centrifugal screen cylinder 31, and the spiral feeding assembly is arranged in the feeding pipe 43; the centrifugal separation mechanism 3 further comprises a rotary driving assembly and a vibration driving assembly, and the rotary driving assembly and the vibration driving assembly are in transmission connection with the spiral feeding assembly, so that the centrifugal screen drum 31 can be driven to rotate and vibrate in a reciprocating manner through the rotary driving assembly and the vibration driving assembly when the spiral feeding assembly rotates for feeding; the discharging mechanism 5 comprises a discharging funnel 51 and a discharging pipe 54, the discharging funnel 51 is fixedly arranged at the bottom end of the outer cylinder body 1, and the discharging pipe 54 is fixedly arranged at one end of the outer cylinder body 1 which is inclined downwards and is communicated with the tail end of the centrifugal screen drum 31;
When the centrifugal machine works, granular materials containing impurities are continuously conveyed into the centrifugal screen drum 31 through the conveying pipe 43 and the spiral feeding component, the spiral feeding component drives the centrifugal screen drum 31 to rotate through the rotary driving component while feeding in a rotary mode, the centrifugal screen drum 31 drives the granular materials and impurities at the lower side of the inside of the centrifugal screen drum to centrifugally move along the inner wall of the centrifugal screen drum 31 when rotating, and when the granular materials and impurities move to the position above the inner side of the centrifugal screen drum 31 along with the inner wall of the centrifugal screen drum 31, the granular materials and impurities are thrown downwards under the action of centrifugal force and self gravity and fall to the lower side of the inner side of the centrifugal screen drum 31 again, so that the granular materials and impurities go upwards and are thrown, and the centrifugal screen drum 31 rotates while the vibration driving component drives the centrifugal screen drum 31 to vibrate in a reciprocating mode; during rotation and vibration of the centrifugal screen drum 31, impurities can be screened out of the centrifugal screen drum 31 through the screen holes on the centrifugal screen drum 31, the screened impurities are collected and discharged through the discharge hopper 51, the granular materials are conveyed in the centrifugal screen drum 31 to one end of the centrifugal screen drum 31 obliquely downwards during rotation of the centrifugal screen drum 31, and finally conveyed into the discharge pipe 54 from the opening at the tail end of the centrifugal screen drum 31, and the granular materials subjected to centrifugal screening are discharged through the discharge pipe 54;
According to the centrifugal machine, the impurities and the granular materials after screening can be synchronously discharged while centrifugal screening of the centrifugal machine is performed, equipment is not required to be stopped for cleaning and discharging after centrifugal screening is completed, so that the centrifugal machine can continuously screen, and the working efficiency of the centrifugal machine is improved; when the spiral feeding component rotates for feeding, the centrifugal screen drum 31 can be driven to rotate through the rotary driving component, and a driving source does not need to be additionally arranged in the outer cylinder body 1 to drive the centrifugal screen drum 31 to rotate, so that the driving working process of the centrifugal screen drum 31 is more convenient; the centrifugal screen drum 31 is driven to vibrate in a reciprocating manner while the centrifugal screen drum 31 rotates through the vibration driving assembly, so that particle materials and impurities in the centrifugal screen drum 31 are driven to vibrate, the centrifugal screening effect and screening efficiency of the particle materials and the impurities in the centrifugal screen drum 31 can be improved through vibration, and meanwhile, the screen holes of the centrifugal screen drum 31 can be prevented from being blocked, and the normal and stable operation of the centrifugal screen drum 31 is ensured.
Referring to fig. 1,2 and 8, in one embodiment, a feeding pipe 42 is fixedly connected to the top end of the feeding pipe 43; the spiral feeding assembly comprises a motor 41 and a conveying shaft 44, the conveying shaft 44 is rotatably arranged in the conveying pipe 43, a feeding auger 45 is fixedly arranged on the surface of the conveying shaft 44, the motor 41 is fixedly arranged at one end of the bottom of the conveying pipe 43, and the motor 41 is in transmission connection with the conveying shaft 44 through a speed reducer arranged at the end part of the conveying pipe 43;
wherein, feed pipe 42 communicates with the feed equipment of particulate material for the feed equipment can be through feed pipe 42 with the particulate material who contains impurity continuously carry to feed pipe 43 in, simultaneously through motor 41 drive conveying axle 44 rotation, again by conveying axle 44 drive feeding auger 45 rotation, with the particulate material in the feed pipe 43 continuously carry centrifugal screen drum 31 through rotatory feeding auger 45.
Referring to fig. 1-3, in one embodiment, the rotary driving assembly includes a rotating shaft 32, a transmission shaft 310 and a gear ring 313, the rotating shaft 32 is rotatably mounted on an inner end wall of the outer cylinder 1, one end of the rotating shaft 32 extends into the centrifugal screen drum 31 and is fixedly connected with an end of the conveying shaft 44, and a driving wheel 38 is fixedly mounted on one side of the rotating shaft 32, which is close to the end wall of the outer cylinder 1; the transmission shaft 310 is rotatably arranged on the inner side end wall of the outer cylinder body 1, one end of the transmission shaft 310 extends to the outer ring of the centrifugal screen cylinder 31, the transmission shaft 310 is fixedly provided with a driven wheel 311 and a gear 312, the driven wheel 311 is in transmission connection with the transmission wheel 38 through a transmission belt 39, and the gear ring 313 is arranged on the outer ring of the centrifugal screen cylinder 31 and is in meshed transmission connection with the gear 312;
when the conveying shaft 44 drives the feeding auger 45 to rotate for feeding, the conveying shaft 44 drives the rotating shaft 32 to synchronously rotate, so that the driving wheel 38 at one end of the rotating shaft 32 is driven to rotate, the driving wheel 311 is driven to rotate through the driving belt 39 when the driving wheel 38 rotates, so that the driving shaft 310 and the gear 312 are driven to rotate, and the gear 313 is meshed to drive the gear 313 to rotate when the gear 312 rotates, so that the gear 313 drives the centrifugal screen drum 31 to rotate for centrifugal screening of the particle materials and impurities.
Referring to fig. 4 and 5, in one embodiment, two ends of the inner part of the outer cylinder 1 are fixedly provided with supports 34, and two ends of the centrifugal screen 31 are respectively connected with the two supports 34 in a sliding manner; the end part of the gear ring 313 is rotatably arranged on the outer side surface of the support 34 at the right side end, a spline 314 is fixedly arranged on the inner ring of the gear ring 313, and a spline groove 315 which is in sliding clamping connection with the spline 314 is formed in the outer ring of the centrifugal screen drum 31;
The two ends of the centrifugal screen drum 31 are supported by the two supports 34, so that the stability of the installation of the centrifugal screen drum 31 in the outer cylinder body 1 can be improved; the centrifugal screen drum 31 is slidably and clamped with the gear ring 313 through the spline 314 and the spline groove 315, so that the spline 314 can slide left and right in the spline groove 315 when the centrifugal screen drum 31 is driven by the vibration driving assembly to vibrate reciprocally, and further the circumferential directions of the centrifugal screen drum 31 and the gear ring 313 are always locked, so that the centrifugal screen drum 31 can be driven to rotate synchronously when the gear ring 313 rotates.
Referring to fig. 1,2, 6 and 7, in one embodiment, the vibration driving assembly includes a pressure spring 33, a fixed arc-shaped wedge 316 and a movable arc-shaped wedge 317, the fixed arc-shaped wedge 316 is fixedly mounted on the outer side surface of the support 34 at the left side end, the movable arc-shaped wedge 317 is fixedly mounted on the outer ring at the left side end of the centrifugal screen drum 31, and the movable arc-shaped wedge 317 can pass through the fixed arc-shaped wedge 316 when driven by the centrifugal screen drum 31 to do circular motion; the pressure spring 33 is movably sleeved on the surface of the feeding pipe 43, one end of the pressure spring 33 is abutted against the inner wall of the outer cylinder body 1, and the other end of the pressure spring 33 is abutted against the end of the centrifugal screen drum 31;
When the centrifugal screen drum 31 rotates, the movable arc-shaped wedge bars 317 at the end parts of the centrifugal screen drum are driven to do circular motion, when the movable arc-shaped wedge bars 317 move to pass through the positions of the fixed arc-shaped wedge bars 316, the movable arc-shaped wedge bars 317 and the fixed arc-shaped wedge bars 316 are mutually abutted through inclined planes, at the moment, the movable arc-shaped wedge bars 317 gradually move leftwards under the pushing action of the inclined planes of the fixed arc-shaped wedge bars 316 in the moving process until the movable arc-shaped wedge bars 317 completely pass through the fixed arc-shaped wedge bars 316, at the moment, the movable arc-shaped wedge bars 317 are not limited by the pushing action of the fixed arc-shaped wedge bars 316 any more, the centrifugal screen drum 31 and the movable arc-shaped wedge bars 317 move rightwards under the action of the elasticity of the pressure springs 33 until the movable arc-shaped wedge bars 317 are abutted against the outer side faces of the supports 34 again, so that the centrifugal screen drum 31 can reciprocate leftwards and rightwards under the driving of the pressure springs 33, the fixed arc-shaped wedge bars 316 and the movable arc-shaped wedge bars 317 in the rotating process, so that the centrifugal screen drum 31 can improve the centrifugal screening effect of the centrifugal screen drum 31.
Referring to fig. 6 and 7, in one embodiment, a plurality of fixed arc-shaped wedge bars 316 and movable arc-shaped wedge bars 317 are provided, the plurality of fixed arc-shaped wedge bars 316 and the plurality of movable arc-shaped wedge bars 317 are respectively circumferentially and equidistantly distributed on the support 34 and the centrifugal screen drum 31, and a buffer pad is fixedly installed on the abutting surface between the end of the inner side surface of the movable arc-shaped wedge bars 317 and the support 34;
By arranging a plurality of corresponding fixed arc-shaped wedge bars 316 and movable arc-shaped wedge bars 317, when the movable arc-shaped wedge bars 317 are abutted and moved by the fixed arc-shaped wedge bars 316 and when the movable arc-shaped wedge bars 317 are abutted and moved on the support 34, the outer Zhou Shouli of the centrifugal screen drum 31 is more uniform, so that the running process of the centrifugal screen drum 31 is more stable; by providing the cushion on the inner side of the movable arc-shaped wedge bar 317, the movable arc-shaped wedge bar 317 can be buffered and protected when the movable arc-shaped wedge bar 317 is in reset and abutting connection with the support 34, so that the movable arc-shaped wedge bar 317 is prevented from being damaged by collision with the support 34.
Referring to fig. 1-3, in one embodiment, two ends of a rotating shaft 32 are fixedly provided with rotating discs 35 positioned at inner rings of centrifugal screen drums 31, outer rings of the two rotating discs 35 are fixedly provided with a plurality of connecting frames 36 which are distributed at equal intervals, and a shoveling plate 37 is fixedly arranged between two adjacent connecting frames 36;
Wherein, leave the gap between the inner wall of the centrifugal screen drum 31 and the shoveling plate 37, when the pivot 32 rotates, the pivot 32 drives two turntables 35 thereon to rotate synchronously, so that the turntables 35 drive the shoveling plate 37 to rotate along the inner wall of the centrifugal screen drum 31 through the connecting frame 36 and do circular motion, when the shoveling plate 37 moves through the bottom of the centrifugal screen drum 31, because the gap is left between the shoveling plate 37 and the inner wall of the centrifugal screen drum 31, the shoveling plate 37 can upwards copy and throw the granular materials with the bottom of the centrifugal screen drum 31 higher than the gap, thereby preventing the granular materials from accumulating and gathering at the bottom of the centrifugal screen drum 31, ensuring that the granular materials are distributed more uniformly in the centrifugal screen drum 31, and improving the screening efficiency and screening effect of the granular materials in the centrifugal screen drum 31.
Referring to fig. 1 and 3, in one embodiment, a support 34 at the right side end of the outer cylinder 1 isolates the right side inside the outer cylinder 1 to form a discharge cavity 53, a discharge hole 52 is formed in the bottom surface of the discharge cavity 53, and a discharge pipe 54 is fixedly installed at the lower end of the discharge hole 52;
During operation of the centrifugal screen drum 31, the centrifugally screened granular materials are conveyed to the discharge cavity 53 by the rotary centrifugal screen drum 31 until the granular materials fall from the opening at the tail end of the centrifugal screen drum 31 and are conveyed into the discharge cavity 53, and are discharged outwards through the discharge hole 52 and the discharge pipe 54, so that the granular materials can be discharged during centrifugal screening, the support 34 can block and isolate the granular materials discharged from the centrifugal screen drum 31, the granular materials are prevented from entering the discharge hopper 51, and the separated impurities and the separated granular materials are ensured to be discharged respectively.
The specific working principle is as follows:
firstly, the feeding equipment continuously conveys the granular materials containing impurities into a feeding pipe 43 through a feeding pipe 42, meanwhile, a motor 41 drives a conveying shaft 44 to rotate, and then the conveying shaft 44 drives a feeding auger 45 to rotate so as to continuously convey the granular materials in the feeding pipe 43 into a centrifugal screen drum 31 through the rotating feeding auger 45;
when the conveying shaft 44 drives the feeding auger 45 to rotate for feeding, the conveying shaft 44 drives the rotating shaft 32 to synchronously rotate, so that the driving wheel 38 at one end of the rotating shaft 32 is driven to rotate, the driven wheel 311 is driven to rotate through the driving belt 39 when the driving wheel 38 rotates, so that the driving shaft 310 and the gear 312 are driven to rotate, and the gear 313 is meshed to drive the gear 313 to rotate when the gear 312 rotates, so that the gear 313 drives the centrifugal screen drum 31 to rotate;
When the centrifugal screen drum 31 rotates, the movable arc-shaped wedge bars 317 at the end parts of the centrifugal screen drum are driven to do circular motion, when the movable arc-shaped wedge bars 317 move to pass through the positions of the fixed arc-shaped wedge bars 316, the movable arc-shaped wedge bars 317 and the fixed arc-shaped wedge bars 316 are mutually abutted through inclined planes, at the moment, the movable arc-shaped wedge bars 317 gradually move leftwards under the pushing action of the inclined planes of the fixed arc-shaped wedge bars 316 in the moving process until the movable arc-shaped wedge bars 317 completely pass through the fixed arc-shaped wedge bars 316, at the moment, the movable arc-shaped wedge bars 317 are not limited by the pushing action of the fixed arc-shaped wedge bars 316 any more, the centrifugal screen drum 31 and the movable arc-shaped wedge bars 317 move rightwards under the elastic action of the pressure springs 33 until the movable arc-shaped wedge bars 317 are abutted against the outer side faces of the supports 34 again, so that the centrifugal screen drum 31 can reciprocate leftwards and rightwards under the driving of the pressure springs 33, the fixed arc-shaped wedge bars 316 and the movable arc-shaped wedge bars 317 in the rotating process;
In the rotation and vibration process of the centrifugal screen drum 31, impurities can be screened out of the centrifugal screen drum 31 through the screen holes on the centrifugal screen drum 31, the screened impurities are collected and discharged through the discharge hopper 51, the particle materials are conveyed in the centrifugal screen drum 31 to move towards one inclined downward end of the centrifugal screen drum 31 when the centrifugal screen drum 31 rotates, and finally the particle materials fall and are conveyed into the discharge cavity 53 through the opening at the tail end of the centrifugal screen drum 31 and are discharged outwards through the discharge hole 52 and the discharge pipe 54.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above disclosed preferred embodiments of the invention are merely intended to help illustrate the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention.
Claims (6)
1. The utility model provides a centrifuge of continuous screening of granule material, includes outer barrel (1) and support (2), its characterized in that: the centrifugal separation mechanism (3) is arranged in the outer cylinder (1) and comprises a centrifugal screen cylinder (31) which is rotatably arranged in the outer cylinder (1) and is coaxially arranged with the outer cylinder (1);
The feeding mechanism (4) and the discharging mechanism (5) are respectively arranged at two ends of the outer cylinder body (1), the feeding mechanism (4) comprises a feeding pipe (43) and a spiral feeding assembly, the feeding pipe (43) is fixedly arranged at one end of the outer cylinder body (1) which is inclined upwards and is communicated with the centrifugal screen cylinder (31), and the spiral feeding assembly is arranged in the feeding pipe (43);
The centrifugal separation mechanism (3) further comprises a rotary driving assembly and a vibration driving assembly, and the rotary driving assembly and the vibration driving assembly are in transmission connection with the spiral feeding assembly, so that the centrifugal screen drum (31) can be driven to rotate and vibrate in a reciprocating manner through the rotary driving assembly and the vibration driving assembly when the spiral feeding assembly rotates for feeding;
The discharging mechanism (5) comprises a discharging funnel (51) and a discharging pipe (54), the discharging funnel (51) is fixedly arranged at the bottom end of the outer cylinder body (1), and the discharging pipe (54) is fixedly arranged at one end of the outer cylinder body (1) which is inclined downwards and is communicated with the tail end of the centrifugal screen cylinder (31);
The vibration driving assembly comprises a pressure spring (33), a fixed arc-shaped wedge strip (316) and a movable arc-shaped wedge strip (317), wherein the fixed arc-shaped wedge strip (316) is fixedly arranged on the outer side surface of a support (34) at the left side end, the movable arc-shaped wedge strip (317) is fixedly arranged on the outer ring at the left side end of the centrifugal screen drum (31), and the movable arc-shaped wedge strip (317) can pass through the fixed arc-shaped wedge strip (316) when driven by the centrifugal screen drum (31) to do circular motion;
The pressure spring (33) is movably sleeved on the surface of the feeding pipe (43), one end of the pressure spring (33) is abutted against the inner wall of the outer cylinder body (1), and the other end of the pressure spring (33) is abutted against the end part of the centrifugal screen cylinder (31);
Fixed arc wedge strip (316) and portable arc wedge strip (317) all are provided with a plurality ofly, and a plurality of fixed arc wedge strips (316) and a plurality of portable arc wedge strip (317) are circumference equidistance respectively and distribute on support (34) and centrifugal screen drum (31), just fixed mounting has the blotter on the butt face of movable arc wedge strip (317) medial surface end and support (34).
2. A centrifuge for continuous screening of particulate material as in claim 1 wherein: the top end of the feeding pipe (43) is fixedly connected with a feeding pipe (42);
The spiral feeding assembly comprises a motor (41) and a conveying shaft (44), the conveying shaft (44) is rotatably arranged in the conveying pipe (43), a feeding auger (45) is fixedly arranged on the surface of the conveying shaft (44), the motor (41) is fixedly arranged at one end of the bottom of the conveying pipe (43), and the motor (41) is in transmission connection with the conveying shaft (44) through a speed reducer arranged at the end part of the conveying pipe (43).
3. A centrifuge for continuous screening of particulate material as claimed in claim 2 wherein: the rotary driving assembly comprises a rotating shaft (32), a transmission shaft (310) and a gear ring (313), wherein the rotating shaft (32) is rotatably arranged on the inner side end wall of the outer cylinder body (1), one end of the rotating shaft (32) extends into the centrifugal screen cylinder (31) and is fixedly connected with the end part of the conveying shaft (44), and a driving wheel (38) is fixedly arranged on one side, close to the end wall of the outer cylinder body (1), of the rotating shaft (32);
The transmission shaft (310) is rotatably arranged on the inner side end wall of the outer cylinder body (1), one end of the transmission shaft (310) extends to the outer ring of the centrifugal screen cylinder (31), the transmission shaft (310) is fixedly provided with a driven wheel (311) and a gear (312), the driven wheel (311) is in transmission connection with the transmission wheel (38) through a transmission belt (39), and the gear ring (313) is arranged on the outer ring of the centrifugal screen cylinder (31) and is in meshed transmission connection with the gear (312).
4. A centrifuge for continuous screening of particulate material according to claim 3, wherein: the two ends of the inner part of the outer cylinder body (1) are fixedly provided with supports (34), and the two ends of the centrifugal screen cylinder (31) are respectively in sliding connection with the two supports (34);
The end part of the gear ring (313) is rotatably arranged on the outer side surface of the support (34) at the right side end, a spline (314) is fixedly arranged on the inner ring of the gear ring (313), and a spline groove (315) which is in sliding clamping connection with the spline (314) is formed in the outer ring of the centrifugal screen drum (31).
5. A centrifuge for continuous screening of particulate material according to claim 3, wherein: two ends of the rotating shaft (32) are fixedly provided with rotary tables (35) positioned at the inner rings of the centrifugal screen drums (31), the outer rings of the two rotary tables (35) are fixedly provided with a plurality of connecting frames (36) which are distributed at equal intervals, and a shoveling plate (37) is fixedly arranged between every two adjacent connecting frames (36).
6. A centrifuge for continuous screening of particulate material as in claim 4 wherein: the support (34) at the right side end outside the outer cylinder body (1) isolates the right side inside the outer cylinder body (1) to form a discharging cavity (53), a discharging hole (52) is formed in the bottom surface of the discharging cavity (53), and a discharging pipe (54) is fixedly installed at the lower end of the discharging hole (52).
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| CN202410101538.5A CN117680291B (en) | 2024-01-25 | 2024-01-25 | Centrifugal machine for continuously screening granular materials |
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| CN202410101538.5A CN117680291B (en) | 2024-01-25 | 2024-01-25 | Centrifugal machine for continuously screening granular materials |
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| CN117680291B true CN117680291B (en) | 2024-04-30 |
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| CN117920937B (en) * | 2024-03-21 | 2024-05-31 | 泰州市鼎力起重机械有限公司 | Aluminum casting sand cooler |
| CN118239205B (en) * | 2024-05-27 | 2024-08-09 | 兴化市兴旺饲料有限公司 | Fodder processing conveyor |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853825A (en) * | 1994-06-08 | 1996-02-27 | Toyo Screen Kogyo Kk | Horizontally raking-type water-intake screen |
| CN103506308A (en) * | 2013-08-29 | 2014-01-15 | 张家港市联达机械有限公司 | Waste plastic film impurity separating machine |
| CN106622937A (en) * | 2016-10-27 | 2017-05-10 | 林志城 | Low-frequency vibratory noise-reducing screening machine |
| CN111842138A (en) * | 2020-07-27 | 2020-10-30 | 福建兴港建工有限公司 | Recycled aggregate screening plant |
| CN113649286A (en) * | 2021-07-02 | 2021-11-16 | 宁波鼎声微电子科技有限公司 | Roll over a resistance sieve material mechanism |
| WO2022047685A1 (en) * | 2020-09-02 | 2022-03-10 | 太仓景宏智能科技有限公司 | Material sieving mechanism for crops |
| CN217857182U (en) * | 2022-10-17 | 2022-11-22 | 潍坊德润化学有限公司 | Screening plant for granular materials |
| CN218517133U (en) * | 2022-10-25 | 2023-02-24 | 开封汴花产农业科技有限公司 | Screening conveyor for processing peanuts |
| CN116618285A (en) * | 2023-05-19 | 2023-08-22 | 江苏南理范群装备科技有限公司 | Automatic screening equipment |
-
2024
- 2024-01-25 CN CN202410101538.5A patent/CN117680291B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0853825A (en) * | 1994-06-08 | 1996-02-27 | Toyo Screen Kogyo Kk | Horizontally raking-type water-intake screen |
| CN103506308A (en) * | 2013-08-29 | 2014-01-15 | 张家港市联达机械有限公司 | Waste plastic film impurity separating machine |
| CN106622937A (en) * | 2016-10-27 | 2017-05-10 | 林志城 | Low-frequency vibratory noise-reducing screening machine |
| CN111842138A (en) * | 2020-07-27 | 2020-10-30 | 福建兴港建工有限公司 | Recycled aggregate screening plant |
| WO2022047685A1 (en) * | 2020-09-02 | 2022-03-10 | 太仓景宏智能科技有限公司 | Material sieving mechanism for crops |
| CN113649286A (en) * | 2021-07-02 | 2021-11-16 | 宁波鼎声微电子科技有限公司 | Roll over a resistance sieve material mechanism |
| CN217857182U (en) * | 2022-10-17 | 2022-11-22 | 潍坊德润化学有限公司 | Screening plant for granular materials |
| CN218517133U (en) * | 2022-10-25 | 2023-02-24 | 开封汴花产农业科技有限公司 | Screening conveyor for processing peanuts |
| CN116618285A (en) * | 2023-05-19 | 2023-08-22 | 江苏南理范群装备科技有限公司 | Automatic screening equipment |
Non-Patent Citations (1)
| Title |
|---|
| 微型水稻联合收割机新型圆筒筛设计研究;尹健;黄年月;吴兵;姚丽华;戴明;;现代机械;20110628(第03期);第62-64、72页 * |
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| CN117680291A (en) | 2024-03-12 |
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