CN115805188A - Novel industrial automation bolt screening device convenient to select separately - Google Patents
Novel industrial automation bolt screening device convenient to select separately Download PDFInfo
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- CN115805188A CN115805188A CN202310053281.6A CN202310053281A CN115805188A CN 115805188 A CN115805188 A CN 115805188A CN 202310053281 A CN202310053281 A CN 202310053281A CN 115805188 A CN115805188 A CN 115805188A
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- 238000012216 screening Methods 0.000 title claims abstract description 63
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000007599 discharging Methods 0.000 claims description 28
- 239000012535 impurity Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 5
- 230000000903 blocking effect Effects 0.000 claims description 4
- 206010063659 Aversion Diseases 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
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Abstract
The invention discloses a novel industrial automatic bolt screening device convenient for sorting, which relates to the technical field of screening separation and comprises a base plate, wherein a rotary drum is arranged above the base plate, the outer part of the rotary drum is rotatably connected with a fixed sleeve, a base is fixedly connected between the bottom end of the fixed sleeve and the base plate, a screening mechanism is arranged in the rotary drum, the screening mechanism is connected with a conveying assembly, and one end of the outer part of the rotary drum is connected with a grading driving assembly; the bolt screening device comprises a conveying assembly, a screening mechanism and a grading driving mechanism, wherein the conveying assembly comprises a conveying pipe which coaxially penetrates through a rotary drum, the rotary drum is rotatably connected with the conveying pipe, the top of one end of the conveying pipe is fixedly connected with a feeding hopper, and a material receiving box is arranged below the other end of the conveying pipe.
Description
Technical Field
The invention relates to the technical field of screening separation, in particular to a novel industrial automatic bolt screening device convenient for sorting.
Background
In the bolt processing's in-process, can be attached to some waste materials or the bolt is direct to mix together with tiny waste material piece on the bolt, before the bolt dispatches from the factory, all will screen the bolt, with the separation of waste material piece, then just can pack or assemble.
At present often adopt the mode of manual screening to bolt screening edulcoration, if adopt the manual screening alone, work efficiency is lower, has strengthened intensity of labour, consequently is necessary to provide the bolt sieving mechanism that degree of automation is high, gets rid of the impurity piece.
Disclosure of Invention
The invention provides a novel industrial automatic bolt screening device convenient for sorting, which solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a novel industrial automatic bolt screening device convenient for sorting comprises a base plate, wherein a rotary drum is arranged above the base plate, the outer part of the rotary drum is rotatably connected with a fixed sleeve, a base is fixedly connected between the bottom end of the fixed sleeve and the base plate, a screening mechanism is arranged in the rotary drum and is connected with a conveying assembly, and one end of the outer part of the rotary drum is connected with a grading driving assembly;
the conveying assembly comprises a conveying pipe which coaxially penetrates through a rotary drum, the rotary drum is rotatably connected with the conveying pipe, the top of one end of the conveying pipe is fixedly connected with a feed hopper, a material receiving box is arranged below the other end of the conveying pipe and is placed on a base plate, one end of the conveying pipe is fixedly connected with a conveying motor, an output shaft of the conveying motor extends into the conveying pipe and is coaxially and fixedly connected with a conveying shaft, a feeding spiral plate and a discharging spiral plate are fixedly connected to the outer part of the conveying shaft, and the feeding spiral plate and the discharging spiral plate are arranged along the length direction of the conveying shaft;
the screening mechanism comprises a side part blocking cover fixedly arranged in the rotary drum, one side of the side part blocking cover is fixedly connected with an inner screening drum, the inner screening drum and the rotary drum are coaxially arranged, a plurality of screen holes are formed in the inner screening drum, a plurality of partition plates are fixedly connected between the inner wall of the inner screening drum and the conveying pipe, and a feeding and discharging mechanism is arranged on the conveying pipe in the inner screening drum;
the feeding and discharging mechanism comprises a discharge port arranged at the top end of the conveying pipe, a discharging guide plate is fixedly connected in the conveying pipe below the discharge port, and a feeding port is formed in the bottom end of the conveying pipe.
As a preferred technical solution of the present invention, the classification driving assembly includes a second mounting bracket fixedly disposed on the substrate, one side of the second mounting bracket is rotatably connected to the driving column, a displacement driving gear sleeve, a first swing driving gear sleeve and a second swing driving gear sleeve are coaxially and fixedly disposed outside the driving column, a driven gear sleeve is coaxially and fixedly connected to an end of the rotary drum, and the driven gear sleeve is engaged with the displacement driving gear sleeve, the first swing driving gear sleeve and the second swing driving gear sleeve.
As a preferred technical scheme of the invention, the side edge of the second mounting frame is fixedly connected with a rotary driving motor, an output shaft of the rotary driving motor penetrates through the second mounting frame and is coaxially and fixedly connected with a driving gear, the outer part of the driving column is coaxially and fixedly connected with a driven gear, and the driving gear is meshed with the driven gear.
As a preferred technical solution of the present invention, a plurality of sets of first driving teeth are disposed on the first swing driving gear sleeve, a first blank segment is disposed on the first swing driving gear sleeve between two adjacent sets of first driving teeth, a plurality of first blank segments and a plurality of sets of first driving teeth are disposed at intervals, a plurality of sets of second driving teeth are disposed on the second swing driving gear sleeve, a second blank segment is disposed on the second swing driving gear sleeve between two adjacent sets of second driving teeth, a plurality of second blank segments and a plurality of sets of second driving teeth are disposed at intervals, a first toothless segment and a second toothless segment are disposed on the first swing driving gear sleeve and the second swing driving gear sleeve respectively, and third driving teeth corresponding to the first toothless segment and the second toothless segment are disposed on the displacement driving gear sleeve.
As a preferable technical solution of the present invention, the top end of the base plate is fixedly connected to the first mounting frame, and the delivery pipe penetrates through the first mounting frame and is fixedly connected thereto.
As a preferred technical scheme of the invention, the outer part of the rotary drum is rotatably connected with an annular cover, the bottom end of the annular cover is fixedly connected with an impurity removing cover, a plurality of impurity removing openings communicated with the impurity removing cover are distributed on the circumference of the rotary drum, and the annular cover is fixedly connected with the fixed sleeve through a fixed rod.
In a preferred embodiment of the present invention, the feeding spiral plate and the discharging spiral plate have the same spiral direction.
The invention has the following advantages: according to the invention, the separation of bolts and impurities can be realized by arranging the screening mechanism, the sequential screening of different screening areas can be realized by arranging the grading driving mechanism, the reciprocating rapid swing screening can be realized, the screening effect is good, the feeding and discharging management before and after the screening of the bolts can be realized by arranging the feeding and discharging mechanism, and the device has high automation degree.
Drawings
Fig. 1 is a schematic left side perspective view of a novel industrial automation bolt screening device for convenient sorting.
Fig. 2 is a schematic diagram of a right side perspective structure of the novel industrial automation bolt screening device for facilitating sorting.
Fig. 3 is a schematic perspective sectional structural view of a novel industrial automatic bolt screening device for facilitating sorting.
Fig. 4 is a schematic plan view of a hierarchical driving assembly in the novel industrial automatic bolt screening apparatus for facilitating sorting.
Fig. 5 is a schematic perspective view of a grading drive assembly in the novel industrial automatic bolt screening device for facilitating sorting.
Fig. 6 is a schematic structural diagram of a feeding and discharging mechanism in the novel industrial automatic bolt screening device for facilitating sorting.
In the figure: 1. a substrate; 2. a base; 3. fixing a sleeve; 4. a rotating drum; 5. a delivery pipe; 6. a conveying motor; 7. a feed hopper; 8. an annular shroud; 9. a trash removal cover; 10. a step drive assembly; 11. a material receiving box; 12. a first mounting bracket; 13. a second mounting bracket; 14. a feed screw plate; 15. discharging the spiral plate; 16. a delivery shaft; 17. an inner screening cylinder; 18. a side shield; 19. a feeding and discharging mechanism; 20. a partition plate; 21. screening holes; 22. a driven gear sleeve; 23. a rotary drive motor; 24. a driving gear; 25. a driven gear; 26. a drive column; 27. shifting the driving gear sleeve; 28. a first swing drive gear sleeve; 29. a second swing drive gear sleeve; 30. a first drive tooth; 31. a first toothless segment; 32. a second drive tooth; 33. a second toothless segment; 34. a third drive tooth; 35. a discharge port; 36. a discharging guide plate; 37. and (4) feeding a material inlet.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.
It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-6, a novel industrial automatic bolt screening device convenient for sorting comprises a substrate 1, a rotary drum 4 is arranged above the substrate 1, a fixed sleeve 3 is rotatably connected to the outside of the rotary drum 4, a base 2 is fixedly connected between the bottom end of the fixed sleeve 3 and the substrate 1, a screening mechanism is arranged in the rotary drum 4, the screening mechanism is connected with a conveying assembly, and one end of the outside of the rotary drum 4 is connected with a grading driving assembly 10;
the conveying assembly comprises a conveying pipe 5 coaxially penetrating through a rotary drum 4, the rotary drum 4 is rotationally connected with the conveying pipe 5, the top of one end of the conveying pipe 5 is fixedly connected with a feed hopper 7, a material receiving box 11 is arranged below the other end of the conveying pipe 5, the material receiving box 11 is placed on the substrate 1, one end of the conveying pipe 5 is fixedly connected with a conveying motor 6, an output shaft of the conveying motor 6 extends into the conveying pipe 5 and is coaxially and fixedly connected with a conveying shaft 16, a feeding spiral plate 14 and a discharging spiral plate 15 are fixedly connected to the outer portion of the conveying shaft 16, and the feeding spiral plate 14 and the discharging spiral plate 15 are arranged along the length direction of the conveying shaft 16;
the screening mechanism comprises a lateral part shield 18 fixedly arranged in the rotary drum 4, one side of the lateral part shield 18 is fixedly connected with an inner screening drum 17, the inner screening drum 17 is coaxially arranged with the rotary drum 4, a plurality of screen holes 21 are formed in the inner screening drum 17, a plurality of partition plates 20 are fixedly connected between the inner wall of the inner screening drum 17 and the conveying pipe 5, a screening chamber is arranged between every two adjacent partition plates 20, and a feeding and discharging mechanism 19 is arranged on the conveying pipe 5 in the inner screening drum 17;
the feeding and discharging mechanism 19 comprises a discharge port 35 arranged at the top end of the conveying pipe 5, a discharge guide plate 36 is fixedly connected in the conveying pipe 5 below the discharge port 35, and a feed port 37 is arranged at the bottom end of the conveying pipe 5.
Wherein, the length of the discharge port 35 can be set as required.
Further, hierarchical drive assembly 10 includes fixed second mounting bracket 13 that sets up on base plate 1, and one side of second mounting bracket 13 is rotated and is connected drive post 26, and the coaxial fixed aversion drive tooth cover 27, first swing drive tooth cover 28 and the second swing drive tooth cover 29 that is equipped with in the outside of drive post 26, the coaxial fixedly connected with passive tooth cover 22 of tip of rotary drum 4, passive tooth cover 22 and aversion drive tooth cover 27, first swing drive tooth cover 28 and the equal meshing of second swing drive tooth cover 29 are connected.
Further, the side of the second mounting bracket 13 is fixedly connected with a rotary driving motor 23, an output shaft of the rotary driving motor 23 passes through the second mounting bracket 13 and is coaxially and fixedly connected with a driving gear 24, the outside of the driving column 26 is coaxially and fixedly connected with a driven gear 25, and the driving gear 24 is meshed with the driven gear 25.
Further, be equipped with the first drive tooth 30 of multiunit on the first swing drive tooth cover 28, be equipped with first blank section on the first swing drive tooth cover 28 between two sets of adjacent first drive teeth 30, a plurality of first blank sections and the first drive tooth 30 interval setting of multiunit, be equipped with multiunit second drive tooth 32 on the second swing drive tooth cover 29, be equipped with the second blank section on the second swing drive tooth cover 29 between two sets of adjacent second drive teeth 32, a plurality of second blank sections and the second drive tooth 32 interval setting of multiunit, be equipped with first toothless section 31 and second toothless section 33 on first swing drive tooth cover 28 and the second swing drive tooth cover 29 respectively, be equipped with the third drive tooth 34 corresponding with first toothless section 31, second toothless section 33 position on the drive tooth cover 27 that shifts.
Further, the top end of the base plate 1 is fixedly connected with a first mounting frame 12, and the conveying pipe 5 penetrates through the first mounting frame 12 and is fixedly connected with the first mounting frame 12.
Furthermore, the outside of rotary drum 4 is rotated and is connected annular cover 8, and miscellaneous cover 9 is arranged to the bottom fixed connection of annular cover 8, and the circumference distributes on rotary drum 4 has a plurality of row miscellaneous mouths that are linked together with row miscellaneous cover 9, passes through dead lever fixed connection between annular cover 8 and the fixed cover 3.
The section of the inner wall of the rotary drum 4 is an inclined plane, and impurities can move to the impurity discharging opening through the inclined plane after passing through the sieve holes 21 to be discharged.
Further, the spiral directions of the feeding spiral plate 14 and the discharging spiral plate 15 are the same.
In the implementation process of the invention, bolts mixed with impurity fragments are added from a feed hopper 7, then a conveying motor 6 is controlled to start to drive a conveying shaft 16 to rotate, the conveying shaft 16 drives a feeding spiral plate 14 and a discharging spiral plate 15 to rotate, the feeding spiral plate 14 conveys the bolts until the bolts fall into the lower part of a rotary drum 4 from a feed port 37, and sieve holes 21 on the rotary drum 4 can sieve the bolts and the impurities;
then the rotary driving motor 23 is started, the rotary driving motor 23 drives the driving column 26 to rotate through the driving gear 24 and the driven gear 25, when the driving column 26 rotates, the first driving teeth 30 and the second driving teeth 32 intermittently drive the driven gear sleeve 22, so that the driven gear sleeve 22 intermittently rotates, in the intermittent rotation process of multiple times, bolts roll off the inner wall of the rotary drum 4, further dispersed screening is realized, in addition, when the first toothless sections 31 and the second toothless sections 33 on the first swinging driving gear sleeve 28 and the second swinging driving gear sleeve 29 are close to the driven gear sleeve 22, the third driving teeth 34 are meshed with the driven gear sleeve 22, the rotary drum 4 is driven to rotate to a larger extent, so that bolts in adjacent screening chambers can be screened, when the screened bolts move to the position above the feeding port 37, the bolts can fall into the discharging port 35, the bolts are output by the discharging spiral plate 15, and impurities are discharged through the annular cover 8 and the impurity discharging cover 9 after passing through the screen holes 21.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A novel industrial automatic bolt screening device convenient for sorting comprises a base plate (1) and is characterized in that a rotary drum (4) is arranged above the base plate (1), the outer part of the rotary drum (4) is rotatably connected with a fixed sleeve (3), a base (2) is fixedly connected between the bottom end of the fixed sleeve (3) and the base plate (1), a screening mechanism is arranged in the rotary drum (4), the screening mechanism is connected with a conveying assembly, and one end of the outer part of the rotary drum (4) is connected with a grading driving assembly (10);
the conveying assembly comprises a conveying pipe (5) which coaxially penetrates through a rotating cylinder (4), the rotating cylinder (4) is rotatably connected with the conveying pipe (5), the top of one end of the conveying pipe (5) is fixedly connected with a feeding hopper (7), a material receiving box (11) is arranged below the other end of the conveying pipe (5), the material receiving box (11) is placed on the substrate (1), one end of the conveying pipe (5) is fixedly connected with a conveying motor (6), an output shaft of the conveying motor (6) extends into the conveying pipe (5) and is coaxially and fixedly connected with a conveying shaft (16), the outer part of the conveying shaft (16) is fixedly connected with a feeding spiral plate (14) and a discharging spiral plate (15), and the feeding spiral plate (14) and the discharging spiral plate (15) are arranged along the length direction of the conveying shaft (16);
the screening mechanism comprises a lateral part blocking cover (18) fixedly arranged in the rotary drum (4), one side of the lateral part blocking cover (18) is fixedly connected with an inner screening barrel (17), the inner screening barrel (17) is coaxially arranged with the rotary drum (4), a plurality of screen holes (21) are formed in the inner screening barrel (17), a plurality of partition plates (20) are fixedly connected between the inner wall of the inner screening barrel (17) and the conveying pipe (5), and a feeding and discharging mechanism (19) is arranged on the conveying pipe (5) positioned in the inner screening barrel (17);
the feeding and discharging mechanism (19) comprises a discharge hole (35) formed in the top end of the conveying pipe (5), a discharging guide plate (36) is fixedly connected in the conveying pipe (5) below the discharge hole (35), and a feeding hole (37) is formed in the bottom end of the conveying pipe (5).
2. The novel industrial automation bolt screening device convenient to select separately of claim 1, characterized in that hierarchical drive assembly (10) includes second mounting bracket (13) fixedly arranged on base plate (1), one side of second mounting bracket (13) is rotated and is connected with drive post (26), the outside coaxial fixed of drive post (26) is equipped with displacement drive tooth cover (27), first swing drive tooth cover (28) and second swing drive tooth cover (29), the coaxial fixedly connected with passive tooth cover (22) of tip of rotary drum (4), passive tooth cover (22) and displacement drive tooth cover (27), first swing drive tooth cover (28) and second swing drive tooth cover (29) all mesh and are connected.
3. The novel industrial automatic bolt screening device convenient for sorting according to claim 2, characterized in that the side of the second mounting frame (13) is fixedly connected with a rotary driving motor (23), the output shaft of the rotary driving motor (23) passes through the second mounting frame (13) and is coaxially and fixedly connected with a driving gear (24), the outer part of a driving column (26) is coaxially and fixedly connected with a driven gear (25), and the driving gear (24) is meshed with the driven gear (25).
4. The novel industrial automation bolt screening device convenient to select separately of claim 3, characterized in that, be equipped with multiunit first drive tooth (30) on the first swing drive tooth cover (28), be equipped with first blank section on first swing drive tooth cover (28) between two adjacent sets of first drive tooth (30), a plurality of first blank sections and multiunit first drive tooth (30) interval set up, be equipped with multiunit second drive tooth (32) on the second swing drive tooth cover (29), be equipped with second blank section on second swing drive tooth cover (29) between two adjacent sets of second drive tooth (32), a plurality of second blank sections and multiunit second drive tooth (32) interval set up, be equipped with first toothless section (31) and second toothless section (33) on first swing drive tooth cover (28) and the second swing drive tooth cover (29) respectively, be equipped with third drive tooth (34) corresponding with first toothless section (31), second toothless section (33) position on the aversion drive tooth cover (27).
5. The novel industrial automation bolt screening device convenient for sorting according to claim 1, characterized in that the top end of the base plate (1) is fixedly connected with a first mounting frame (12), and the conveying pipe (5) penetrates through the first mounting frame (12) and is fixedly connected with the same.
6. The novel industrial automatic bolt screening device convenient for sorting according to claim 1, characterized in that the outer part of the rotary drum (4) is rotatably connected with an annular cover (8), the bottom end of the annular cover (8) is fixedly connected with an impurity removing cover (9), a plurality of impurity removing openings communicated with the impurity removing cover (9) are circumferentially distributed on the rotary drum (4), and the annular cover (8) is fixedly connected with the fixed sleeve (3) through a fixed rod.
7. The new industrial automated bolt screening apparatus facilitating sorting according to claim 1, characterized in that the spiral direction of the feeding spiral plate (14) and the discharging spiral plate (15) is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310053281.6A CN115805188B (en) | 2023-02-03 | 2023-02-03 | Industrial automation bolt sieving mechanism convenient to select separately |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310053281.6A CN115805188B (en) | 2023-02-03 | 2023-02-03 | Industrial automation bolt sieving mechanism convenient to select separately |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115805188A true CN115805188A (en) | 2023-03-17 |
| CN115805188B CN115805188B (en) | 2023-05-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310053281.6A Active CN115805188B (en) | 2023-02-03 | 2023-02-03 | Industrial automation bolt sieving mechanism convenient to select separately |
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|---|---|---|---|---|
| JPH105615A (en) * | 1996-06-24 | 1998-01-13 | Miike Tekkosho Kk | Gypsum board crushing and sorting machine |
| RU2162377C2 (en) * | 1994-11-25 | 2001-01-27 | Текнолоджикал Ресорсиз Пти Лимитед | Granulated material sieving apparatus |
| US6360894B1 (en) * | 1999-08-31 | 2002-03-26 | Finlay Hydrascreens Ltd. | Double skin trommel |
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| CN106717389A (en) * | 2016-11-25 | 2017-05-31 | 威海恒基伟业信息科技发展有限公司 | Cage sand earth and rock separation fertilization all-in-one machine |
| CN111822325A (en) * | 2020-07-21 | 2020-10-27 | 陈美华 | Multistage disconnect-type screening sand device for building engineering |
| CN112317298A (en) * | 2020-11-30 | 2021-02-05 | 中铁建大桥工程局集团第五工程有限公司 | Sand and stone separation auxiliary device for bridge construction |
| WO2021208158A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Conveying and screening device, spiral pushing type peanut kernel grader, and method thereof |
| CN215235919U (en) * | 2021-06-22 | 2021-12-21 | 山东银丽金属利用有限公司 | Scrap iron and steel impurity removing equipment |
| CN215878689U (en) * | 2021-09-06 | 2022-02-22 | 青岛世纳机械设备有限公司 | Micro powder grading system with screw conveyer |
| CN216857360U (en) * | 2022-02-25 | 2022-07-01 | 江苏丽鑫炭业有限公司 | Raw material grading equipment suitable for thermal regeneration processing of activated carbon |
| CN218048853U (en) * | 2022-05-31 | 2022-12-16 | 广西品饭师粮食集团有限公司 | Classified screening equipment is used in rice processing |
-
2023
- 2023-02-03 CN CN202310053281.6A patent/CN115805188B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2162377C2 (en) * | 1994-11-25 | 2001-01-27 | Текнолоджикал Ресорсиз Пти Лимитед | Granulated material sieving apparatus |
| JPH105615A (en) * | 1996-06-24 | 1998-01-13 | Miike Tekkosho Kk | Gypsum board crushing and sorting machine |
| US6360894B1 (en) * | 1999-08-31 | 2002-03-26 | Finlay Hydrascreens Ltd. | Double skin trommel |
| US20070074998A1 (en) * | 2005-10-04 | 2007-04-05 | Langner Herbert Gunther Joachi | Method and apparatus for screening kaolin |
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| WO2021208158A1 (en) * | 2020-04-13 | 2021-10-21 | 青岛理工大学 | Conveying and screening device, spiral pushing type peanut kernel grader, and method thereof |
| CN111822325A (en) * | 2020-07-21 | 2020-10-27 | 陈美华 | Multistage disconnect-type screening sand device for building engineering |
| CN112317298A (en) * | 2020-11-30 | 2021-02-05 | 中铁建大桥工程局集团第五工程有限公司 | Sand and stone separation auxiliary device for bridge construction |
| CN215235919U (en) * | 2021-06-22 | 2021-12-21 | 山东银丽金属利用有限公司 | Scrap iron and steel impurity removing equipment |
| CN215878689U (en) * | 2021-09-06 | 2022-02-22 | 青岛世纳机械设备有限公司 | Micro powder grading system with screw conveyer |
| CN216857360U (en) * | 2022-02-25 | 2022-07-01 | 江苏丽鑫炭业有限公司 | Raw material grading equipment suitable for thermal regeneration processing of activated carbon |
| CN218048853U (en) * | 2022-05-31 | 2022-12-16 | 广西品饭师粮食集团有限公司 | Classified screening equipment is used in rice processing |
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