CN110404631B - Vertical pendulum type annular rotary superfine pulverizer - Google Patents
Vertical pendulum type annular rotary superfine pulverizer Download PDFInfo
- Publication number
- CN110404631B CN110404631B CN201910826358.2A CN201910826358A CN110404631B CN 110404631 B CN110404631 B CN 110404631B CN 201910826358 A CN201910826358 A CN 201910826358A CN 110404631 B CN110404631 B CN 110404631B
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- CN
- China
- Prior art keywords
- grinding
- grinding roller
- cover cylinder
- seat
- swing arm
- Prior art date
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- 238000000227 grinding Methods 0.000 claims abstract description 89
- 239000000463 material Substances 0.000 claims abstract description 24
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 5
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 5
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 5
- 241001330002 Bambuseae Species 0.000 claims description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 5
- 239000011425 bamboo Substances 0.000 claims description 5
- 235000004237 Crocus Nutrition 0.000 claims description 4
- 241000596148 Crocus Species 0.000 claims description 4
- 238000003801 milling Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000000843 powder Substances 0.000 abstract description 16
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C15/06—Mills with rollers forced against the interior of a rotary ring, e.g. under spring action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
- B02C2015/008—Roller drive arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a longitudinal swing type annular rotary superfine pulverizer, wherein a pulverizer main machine comprises a millstone device and a millstone roller device which are arranged in a cover cylinder, a millstone seat of the millstone device is arranged in a base through a bearing mechanism and driven to rotate by a speed reducer, a millstone is coaxially arranged in a seat cavity of the millstone seat, and a material homogenizing disc is coaxially arranged at the bottom of the seat cavity; the circumference of the grinding roller device is uniformly distributed, each grinding roller is arranged at the lower end of the corresponding grinding roller sleeve through a grinding roller shaft, each grinding roller is rolled on the grinding surface of the grinding ring under the action of a corresponding pressurizing mechanism, the swing arm of each pressurizing mechanism radially penetrates through the cover cylinder, the inner end of the swing arm is connected with the grinding roller sleeve, the front part of the outer end of the swing arm is hinged on a corresponding bracket arranged on the cover cylinder along the rotation direction of the grinding disc seat, and the rear part of the outer end of the swing arm is pressed on a corresponding elastic element arranged on the cover cylinder; is provided with a feed pipe which obliquely penetrates through the cover cylinder, and a discharge hole of the feed pipe is positioned above the material homogenizing disc. Compared with the traditional technology, the invention improves the specific surface area of the superfine powder.
Description
Technical Field
The invention relates to grinding equipment, in particular to a longitudinal swing type annular rotary superfine grinding machine.
Background
For the preparation of ultrafine powder of 400-1250 meshes, ring roller mill is adopted in the prior art, and the Raymond mill is modified to be an ultrafine mill to prepare ultrafine powder.
The working principle of the superfine pulverizer is that the centrifugal force of the rotation of the grinding roller radially acts on the static grinding ring to grind materials, and even if the pressurizing grinding roller is adopted, the acting force of the superfine pulverizer forms grinding resultant force with the centrifugal force in the radial direction.
The detection shows that the 400-1250 mesh superfine powder prepared by the conventional technology has very irregular particle shape and insufficient roundness, so that the specific surface area (the total area of the materials with unit mass) is smaller, and the superfine powder is not suitable for some important production occasions.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to solve the technical problem of providing a longitudinal swing type annular rotary superfine pulverizer for improving the specific surface area of powder.
Can solve the superfine milling machine of pitch formula ring of above-mentioned technical problem, its technical scheme includes the crocus host computer, the crocus host computer is including locating mill device and the grinding roller device in the cover section of thick bamboo, the cover section of thick bamboo is installed on the housing of base, and what is different is:
1. The grinding disc seat of the grinding disc device is arranged in the base through the bearing mechanism and driven to rotate by the speed reducer, the grinding ring which synchronously rotates with the grinding disc seat is coaxially arranged in the seat cavity of the grinding disc seat, and the material homogenizing disc which synchronously rotates with the grinding disc seat is coaxially arranged at the bottom of the seat cavity.
2. The circumference of the grinding roller device is uniformly distributed, each grinding roller is arranged at the lower end of the corresponding grinding roller sleeve through a grinding roller shaft, each grinding roller is rolled on the grinding surface of the grinding ring under the action of the corresponding pressurizing mechanism, the swing arm of each pressurizing mechanism radially penetrates through the cover cylinder, the inner end of the swing arm is connected with the grinding roller sleeve, the front part of the outer end of the swing arm is hinged on the support corresponding to the cover cylinder, and the rear part of the outer end of the swing arm is pressed on the elastic element corresponding to the cover cylinder.
3. The feeding pipe obliquely penetrating the cover cylinder is arranged, and the discharge port of the feeding pipe is positioned above the material homogenizing disc.
One structure of the elastic element comprises a compression spring sleeved on an adjusting screw, one end of the adjusting screw is fixedly connected to a spring seat arranged on the cover cylinder, the other end of the adjusting screw penetrates through a pressing plate on the swing arm and is screwed with an adjusting nut, and the adjusting nut is screwed to pre-tighten the compression spring between the pressing plate and the spring seat.
In order to make each elastic element produce maximum pressure, each adjusting screw is parallel to the corresponding swing arm.
In the structural scheme, radial guide edges are uniformly distributed on the circumference of the tray body of the material homogenizing tray, and a guide groove is formed between every two adjacent guide edges.
The invention has the beneficial effects that:
The vertical pendulum type annular rotary superfine pulverizer is not only suitable for preparing the superfine powder of 400-1250 meshes, but also improves the specific surface area of the prepared superfine powder of 400-1250 meshes compared with the specific surface area of the superfine powder prepared by the traditional pulverizer, and further improves the application range of the superfine powder of 400-1250 meshes.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a top view of the embodiment of fig. 1.
Fig. 3 is a side view of the embodiment of fig. 1.
Drawing number identification: 1. a cover cylinder; 2. a millstone seat; 3. a base; 4. a grinding ring; 5. grinding roller; 6. swing arms; 7. grinding a roller sleeve; 8. a bracket; 9. an elastic element; 10. a material homogenizing disc; 11. a feed pipe; 12. a rotating shaft structure; 13. a bearing mechanism; 14. a speed reducer; 15. a housing.
Detailed Description
The technical scheme of the invention is further described below with reference to the embodiment shown in the drawings.
The invention discloses a longitudinal pendulum type annular rotary superfine pulverizer, which comprises a pulverizer main machine, wherein the pulverizer main machine comprises a base 3, a cover cylinder 1 and a grinding ring device, the cover cylinder 1 is arranged on a cover shell 15 of the base 3, the grinding ring device comprises a grinding disc seat 2 and a grinding ring 4, the grinding disc seat 2 is arranged in the base 3 through a bearing mechanism 13, a motor driving speed reducer 14 arranged below the base 3 drives the grinding disc seat 2 to rotate clockwise, the grinding ring 4 is coaxially and fixedly arranged in a seat cavity of the grinding disc seat 2, a material homogenizing disc 10 is coaxially and fixedly arranged in the center of the bottom of the seat cavity of the grinding disc seat 2, radial material guiding edges are uniformly distributed on the circumference of a disc body of the material homogenizing disc 10, a material guiding groove is formed between adjacent material guiding edges, and grinding roller devices which are uniformly distributed corresponding to the circumference of the grinding ring 4 are arranged in the cover cylinder 1, as shown in fig. 1 and 2.
Each grinding roller device comprises a grinding roller 5 and a grinding roller sleeve 7, wherein the grinding roller 5 is arranged at the lower end of the grinding roller sleeve 7 through a grinding roller shaft, a pressurizing mechanism is arranged corresponding to each grinding roller sleeve 7, the pressurizing mechanism transmits pressure to the grinding roller 5 through the grinding roller sleeve 7, and the grinding roller 5 rolls on the grinding surface of the grinding ring 4, so that a grinding area is formed between each grinding roller 5 and the grinding surface of the grinding ring 4; each pressurizing mechanism comprises a swing arm 6 and elastic elements 9, the upper middle part sleeve body of the swing arm 6 corresponding to the grinding roller sleeve 7 radially penetrates through the cover cylinder 1, the grinding roller sleeve 7 is fixedly connected in the cover cylinder 1 at the inner end of the swing arm 6, the front part of the outer end of the swing arm 6 is arranged on a support 8 corresponding to the cover cylinder 1 through a rotating shaft structure 12 along the rotating direction of the grinding disc seat 2, the rear part of the outer end of the swing arm 6 is pressed on the upper elastic element 9 and the lower elastic element 9 corresponding to the cover cylinder 1 through pressing plates, each elastic element 9 comprises a compression spring sleeved on an adjusting screw (parallel to the swing arm 6), one end of the adjusting screw is fixedly connected to a spring seat corresponding to the cover cylinder 1, the other end of the adjusting screw penetrates through a pressing plate at the rear part of the swing arm 6 and is screwed with an adjusting nut, the compression spring is pre-tightened between the pressing plates and the spring seat, and the pre-tightening degree of the compression spring corresponds to the pressure of the roller 5 on the grinding surface of the grinding ring 4, as shown in fig. 1, 2 and 3.
The cover cylinder 1 is obliquely provided with a feeding pipe 7 in a penetrating manner, and the inner lower end of the feeding pipe 7 is positioned right above the material homogenizing tray 10, as shown in fig. 1, 2 and 3.
The operation mode of the invention is as follows:
1. The material is led into the hood 1 via the feed pipe 7 and falls down onto the rotating balancing disk 10.
2. The material is thrown around by the material homogenizing disc 10 in the grinding area between the grinding ring 4 and the grinding roller 5.
3. In the milling zone, the rotating grinding ring 4 interacts with the grinding rollers 5 which roll on the material on the grinding surface of the grinding ring 4 to grind the material into powder, the grinding rollers 5 being oscillated longitudinally about the rotary shaft structure 12 in accordance with the size and thickness of the material during milling.
4. And the powder flows to a classifier along with the ascending air flow to carry out classification treatment.
5. The qualified powder (superfine powder of 400-1250 meshes) is collected by a dust collector, and the unqualified powder falls back to the material homogenizing disc 10 and is thrown to a grinding area again, and the superfine powder is prepared by repeated circulation.
Claims (1)
1. The utility model provides a indulge superfine milling machine of pendulum-type ring, includes the crocus host computer, the crocus host computer is including locating mill device and the grinding roller device in cover section of thick bamboo (1), cover section of thick bamboo (1) are installed on housing (15) of base (3), and the grader is installed on cover section of thick bamboo (1), its characterized in that:
The grinding disc seat (2) of the grinding disc device is arranged in the base (3) through a bearing mechanism (13) and driven to rotate by a speed reducer (14), a grinding ring (4) which synchronously rotates with the grinding disc seat (2) is coaxially arranged in a seat cavity of the grinding disc seat (2), and a material homogenizing disc (10) which synchronously rotates with the grinding disc seat (2) is coaxially arranged at the bottom of the seat cavity;
The grinding roller (5) of the grinding roller device is arranged at the lower end of a corresponding grinding roller sleeve (7) through a grinding roller shaft, each grinding roller (5) is rolled on the grinding surface of a grinding ring (4) under the action of a corresponding pressurizing mechanism, a swing arm (6) of each pressurizing mechanism radially penetrates through a cover cylinder (1), the inner end of the swing arm (6) is connected with the grinding roller sleeve (7), the front part of the outer end of the swing arm (6) is arranged on a bracket (8) corresponding to the cover cylinder (1) through a rotating shaft structure (12), and the rear part of the outer end of the swing arm (6) is pressed on an upper elastic element (9) and a lower elastic element (9) corresponding to the cover cylinder (1) through a pressing plate;
The feeding pipe (11) obliquely penetrating through the cover cylinder (1) is arranged, a discharge hole of the feeding pipe (11) is positioned above the material homogenizing disc (10), radial guide edges are uniformly distributed on the circumference of the disc body of the material homogenizing disc (10), and a guide groove is formed between every two adjacent guide edges;
The elastic elements (9) comprise compression springs sleeved on the adjusting screw rods, one ends of the adjusting screw rods are fixedly connected to spring seats arranged on the cover cylinder (1), the other ends of the adjusting screw rods penetrate through pressing plates on the swing arms (6) and are screwed with adjusting nuts, the adjusting nuts are screwed to pre-tighten the compression springs between the pressing plates and the spring seats, and the adjusting screw rods of the elastic elements (9) are arranged parallel to the corresponding swing arms (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826358.2A CN110404631B (en) | 2019-09-03 | 2019-09-03 | Vertical pendulum type annular rotary superfine pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910826358.2A CN110404631B (en) | 2019-09-03 | 2019-09-03 | Vertical pendulum type annular rotary superfine pulverizer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110404631A CN110404631A (en) | 2019-11-05 |
| CN110404631B true CN110404631B (en) | 2024-07-02 |
Family
ID=68370049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910826358.2A Active CN110404631B (en) | 2019-09-03 | 2019-09-03 | Vertical pendulum type annular rotary superfine pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110404631B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203577886U (en) * | 2013-11-29 | 2014-05-07 | 桂林晟兴机械制造有限公司 | Dual-layer master-slave roller type Raymond flour mill |
| CN105396657A (en) * | 2015-12-07 | 2016-03-16 | 宜兴市泰和机械有限公司 | Superfine pulverizer |
| CN210787575U (en) * | 2019-09-03 | 2020-06-19 | 广西桂林航大重工机械有限公司 | Longitudinal swinging type ring rotating superfine pulverizer |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2516244Y (en) * | 2001-11-21 | 2002-10-16 | 徐长白 | Disc-pendulate-type disintegrator |
| CN2838748Y (en) * | 2005-10-27 | 2006-11-22 | 马胜钢 | Open and close roller flour mill |
| CN201040256Y (en) * | 2007-01-05 | 2008-03-26 | 周红光 | Vertical type mill roller powder mill |
| DE102008015142A1 (en) * | 2008-03-20 | 2009-09-24 | Gebr. Pfeiffer Ag | roller mill |
-
2019
- 2019-09-03 CN CN201910826358.2A patent/CN110404631B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203577886U (en) * | 2013-11-29 | 2014-05-07 | 桂林晟兴机械制造有限公司 | Dual-layer master-slave roller type Raymond flour mill |
| CN105396657A (en) * | 2015-12-07 | 2016-03-16 | 宜兴市泰和机械有限公司 | Superfine pulverizer |
| CN210787575U (en) * | 2019-09-03 | 2020-06-19 | 广西桂林航大重工机械有限公司 | Longitudinal swinging type ring rotating superfine pulverizer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110404631A (en) | 2019-11-05 |
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