CN104759323A - Combined mill - Google Patents
Combined mill Download PDFInfo
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- CN104759323A CN104759323A CN201510177163.1A CN201510177163A CN104759323A CN 104759323 A CN104759323 A CN 104759323A CN 201510177163 A CN201510177163 A CN 201510177163A CN 104759323 A CN104759323 A CN 104759323A
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- milling
- grinding roller
- bull ring
- diameter
- grinding
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Abstract
The invention discloses a combined mill which comprises a machine base, an air inlet volute and a milling mechanism arranged on the machine base, wherein the air inlet volute is arranged on the machine base in a surrounding manner; the milling mechanism is composed of milling rings and milling rollers; each milling roller is driven to rotate and work through a transmission component by a working main shaft; the milling mechanism comprises at least two milling rings which are arranged in group; only one milling roller is arranged on a certain section in each milling ring. The combined mill has the advantage that only one milling roller is arranged on a certain section in each milling ring, the diameter of a milling roller in each milling ring can be greater than 2/3 of the diameter of the milling ring, so that the yield of the milling machine can conform to a theoretically designed optimal value; the milling mechanism is composed of multiple milling rings and milling rollers, the overall balance of a mill during work is guaranteed; the mill is compact in structure and ingenious in design; the design requirement of large-scale production and economization of pendulum mills is met.
Description
Technical field
The present invention relates to flour mill, especially relate to the combined type flour mill that a grinding roller is only set in an a kind of bull ring.
Background technology
The most direct parts action principle of tradition flour mill is: press to bull ring under the influence of centrifugal force when grinding roller wraparound turns center rotating, and pulverize the material be between grinding roller and bull ring under the influence of centrifugal force.
Overhang roll mill (being commonly called as Raymond mill) last century the fifties introduce China, afterwards along with the rise of Vertical Mill, both at home and abroad the research of overhang roll mill was also reduced gradually.At present, the technical staff of the data such as output, power configuration many dependences enterprise of overhang roll mill calculates and obtains to have uncertainty, cannot provide the clear and definite design direction of overhang roll mill according to service condition and design experiences empirical equation.The optimum value of domestic and international each model overhang roll mill grinding roller quantity, diameter never clear and definite conclusion for many years, product design shows as each producer grinding roller quantity, grinding roller diameter changes repeatedly.The different model grinding roller of such as same company and the diameter ratio of bull ring or become large or diminish, occur repeatedly; The grinding roller quantity of the same model of different company is also waved between 2 to 7, and its product is not the precise results under mathematical formulae instructs completely.Identical point is, in the bull ring of current overhang roll mill, the quantity of grinding roller is at least two, and the diameter ratio between grinding roller and bull ring is less than 2/3, otherwise machine just cannot normally work, its position relationship is shown in shown in Fig. 1, Fig. 2, grinding roller quantity is many and diameter is little, makes the output of overhang roll mill and energy consumption become uneconomical along with the increase of model, fundamentally governs overhang roll mill maximization development.
Summary of the invention
The object of the present invention is to provide a kind of combined type flour mill, a certain cross section is only arranged a major diameter grinding roller in the bull ring of this flour mill, the diameter of such grinding roller just may accomplish limiting value-namely close to bull ring diameter, the output of grinding machine is made to reach optimum value, to meet the development of overhang roll mill maximization, economization.
For achieving the above object, the present invention can take following technical proposals:
Combined type flour mill of the present invention, the air intake spiral case comprise support, arranging around described support and be arranged on the grinding mechanism that described support is made up of bull ring and grinding roller, described grinding roller drives rotary work by working-spindle by transmission component; Described grinding mechanism comprises at least two bull rings arranged in groups, in described bull ring, a certain cross section is only arranged a grinding roller.
The diameter of described grinding roller is more than or equal to the diameter of 2/3 bull ring.
A grinding roller is only set in described bull ring; Also can superpose up and down and be provided with 2 ~ 3 identical grinding rollers of diameter.
Described support is single stand combination, is fixed with one between adjacent two single stands by connecting bolt.
Described support is the balanced integral type multimachine seat combination arranged.
The invention has the advantages that and a certain cross section in each bull ring only arranges a grinding roller, the grinding roller diameter in bull ring can be made to reach the diameter being greater than 2/3 bull ring, make the optimum value that the output coincidence theory of grinding machine designs; Many groups bull ring grinding roller forms grinding mechanism, ensures the whole machine balancing of grinding machine during work, and compact conformation, design are ingenious, meets that rolling suspension disintegrating machine maximizes, the designing requirement of economization.
Principle of the present invention is based on following mathematical formulae:
t=r/R
A=θ/(1-t); (θ is the internal friction angle of material)
K=4t3-(8(t-1)-8)/t-2t(4(t-1)-6)+......-8
Q is mill output; R is grinding roller diameter; R is bull ring diameter; K is output coefficient.
The derivation principle of above mathematical formulae according to grinding machine equipment, how many powder actings is carried out to the output (k-factor is a result by Software Integration) of more various structure (during same bull ring diameter different grinding roller diameter).
The present invention establishes accurate Mathematical Modeling according to the conservation of energy, acting theory, and the mathematical formulae derived can resolve output during different grinding roller diameter, can obtain the exact solution of overhang roll mill optimum point of production thus, makes product reflect mathematical optimal solution.
Accompanying drawing explanation
Fig. 1, Fig. 2 are the arrangement forms of grinding roller and bull ring in existing grinding machine.
Fig. 3 is structural representation of the present invention.
Fig. 4 is the plan structure schematic diagram of Fig. 3.
Fig. 5 is the schematic diagram that in a bull ring, superposition arranges several grinding roller.
Fig. 6, Fig. 7 are the arrangement forms of grinding roller of the present invention and bull ring.
Fig. 8-Figure 13 is the transmission component schematic diagram between grinding roller and working-spindle.
Detailed description of the invention
As shown in Figure 3,4, combined type flour mill of the present invention, comprise support 1, around support 1 arrange air intake spiral case 2 and be arranged on the grinding mechanism that support is made up of bull ring 3 and grinding roller 4, grinding roller 4 drives rotary work by working-spindle 5 by transmission component; In order to meet, grinding machine maximizes, the designing requirement of economization, the grinding mechanism that the present invention adopts comprises symmetrically arranged four bull ring 3(and also can adopt two, three, six, eight etc. form grinding mechanism, the whole machine balancing of grinding machine during guarantee work), in each bull ring 3, a grinding roller 4 can be only set, also can superpose up and down and three identical grinding rollers of diameter are set, as shown in Figure 5; Due to a certain cross section in each bull ring 3 only arranging a grinding roller 4, therefore the diameter of grinding roller 4 can be more than or equal to the diameter of 2/3 bull ring 3, namely the diameter of grinding roller 4 just can be accomplished very large, now, the arrangement form of grinding roller 4 and bull ring 3 is as shown in Fig. 6 (single bull ring), Fig. 7 (four bull ring combinations).
During actual manufacture, according to underdrive mode, the transmission component be arranged between grinding roller 4 and working-spindle 5 can be crank structure, as shown in Figure 8; Can be eccentric wheel structure, as shown in Figure 9; Can be empty set structure, as shown in Figure 10; Also can be that in empty set, air spring or rubber spring structure are set again, as shown in figure 11; The mode of other routines can certainly be adopted; According to upper driving mode, namely driven the revolution and the rotation that realize grinding roller 4 from top by traditional suspension bracket, as shown in Figure 12 and Figure 13, power inputs from top working-spindle 5, drives suspension bracket to rotate, and suspension bracket drives grinding roller 4 to move in a circle by horizontal axis tam, under the influence of centrifugal force, grinding roller swings around horizontal axis tam, presses to bull ring 3, rolls the material between grinding roller 4 and bull ring 3.
For ease of processing and installation, support 1(comprises air intake spiral case 2) can be the foundry goods of integral type structure or weldment, if by support 1(and air intake spiral case 2) make single stand and combine, be fixed with one by connecting bolt 6 between adjacent single stand, as connected into the shape shown in Fig. 4; Or the multimachine seat entire combination of formula structure can also be made of one.
Although only have a grinding roller 4 when isolated operation in a bull ring 3 because the centrifugal force of grinding roller 4 cannot keep balance, but when support be in groups fixed together into as a whole after, just can be kept the balance of centrifugal force by the motion state controlling grinding roller 4, realize the normal work of grinding machine.
During grinding machine work, as shown in Figure 3, by mair motor drive shaft 5, main shaft 5 rotarily drives the eccentric shaft 7 of grinding roller, and eccentric shaft 7 drives grinding roller to do revolution motion around main shaft 5.Grinding roller 4 is when main shaft 5 revolves round the sun, and produce centrifugal force, grinding roller 4 presses to bull ring 3 under the influence of centrifugal force, rolls the material be between the two.
The state of combined type flour mill control grinding roller of the present invention motion detects the phase place of main shaft 5 by spindle encoder 8, then FEEDBACK CONTROL servomotor realizes.Simpler control mode is the running status being ensured grinding roller by the mode of mechanical drive train, makes the balance of whole grinding machine centrifugal action.As by gear, Bevel Gear Transmission mode; The modes such as cog belt transmission.
Claims (6)
1. a combined type flour mill, the air intake spiral case (2) comprise support (1), arranging around described support (1) and be arranged on the grinding mechanism that described support is made up of bull ring (3) and grinding roller (4), described grinding roller (4) drives rotary work by working-spindle (5) by transmission component; It is characterized in that: described grinding mechanism comprises at least two bull rings (3) arranged in groups, in described bull ring (3), a certain cross section is only arranged a grinding roller (4).
2. combined type flour mill according to claim 1, is characterized in that: the diameter of described grinding roller (4) is more than or equal to the diameter of 2/3 bull ring (3).
3. combined type flour mill according to claim 1 and 2, is characterized in that: only arrange a grinding roller (4) in described bull ring (3).
4. combined type flour mill according to claim 1 and 2, is characterized in that: in described bull ring (3), superposition is provided with 2 ~ 3 identical grinding rollers of diameter up and down.
5. combined type flour mill according to claim 3, is characterized in that: described support (1) is single stand combination, is fixed with one between adjacent two single stands by connecting bolt (6).
6. combined type flour mill according to claim 3, is characterized in that: described support (1) is the balanced integral type multimachine seat combination arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177163.1A CN104759323B (en) | 2015-04-15 | 2015-04-15 | Combined type flour mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510177163.1A CN104759323B (en) | 2015-04-15 | 2015-04-15 | Combined type flour mill |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104759323A true CN104759323A (en) | 2015-07-08 |
| CN104759323B CN104759323B (en) | 2017-07-25 |
Family
ID=53641605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510177163.1A Active CN104759323B (en) | 2015-04-15 | 2015-04-15 | Combined type flour mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104759323B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105583037A (en) * | 2016-03-22 | 2016-05-18 | 河南维科重工机械有限公司 | High-efficiency suspension roller grinding mill with swing rod arranged in rotor |
| CN105618201A (en) * | 2016-03-31 | 2016-06-01 | 河南维科重工机械有限公司 | Pressurized self-balancing grinding machine with ultra-large rolls |
| CN105689063A (en) * | 2016-03-03 | 2016-06-22 | 河南维科重工机械有限公司 | Pulverizing mill of which grinding rolls are provided with thrusting device |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2303387A (en) * | 1939-02-25 | 1942-12-01 | Beardsley & Piper Co | Mulling apparatus |
| GB1152969A (en) * | 1967-05-11 | 1969-05-21 | Gelsenkirchener Bergwerks Ag | Improvements in or relating to Grinding of Particulate Material |
| WO1987006500A1 (en) * | 1986-05-02 | 1987-11-05 | Ab Scaniainventor | Milling device |
| CN1053563A (en) * | 1990-01-23 | 1991-08-07 | 国家建筑材料工业局合肥水泥研究设计院 | Cylindrical-roll grinder |
| CN1133019A (en) * | 1993-08-02 | 1996-10-09 | 弗·尔·斯米德恩公司 | Ring roller mill |
| CN202893430U (en) * | 2012-09-17 | 2013-04-24 | 李耀东 | Grinding roller bearing housing-free and non-bearing maintenance-free grinding mill |
| CN203540633U (en) * | 2013-07-23 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Tapered roller flour mill |
| CN203648634U (en) * | 2014-01-09 | 2014-06-18 | 郑州维科重工机械有限公司 | Direct drive main structure for roller mill |
| CN203874844U (en) * | 2013-11-29 | 2014-10-15 | 桂林晟兴机械制造有限公司 | Dual-layer roller Raymond mill |
| CN204583357U (en) * | 2015-04-15 | 2015-08-26 | 河南维科重工机械有限公司 | Combined type flour mill |
-
2015
- 2015-04-15 CN CN201510177163.1A patent/CN104759323B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2303387A (en) * | 1939-02-25 | 1942-12-01 | Beardsley & Piper Co | Mulling apparatus |
| GB1152969A (en) * | 1967-05-11 | 1969-05-21 | Gelsenkirchener Bergwerks Ag | Improvements in or relating to Grinding of Particulate Material |
| WO1987006500A1 (en) * | 1986-05-02 | 1987-11-05 | Ab Scaniainventor | Milling device |
| CN1053563A (en) * | 1990-01-23 | 1991-08-07 | 国家建筑材料工业局合肥水泥研究设计院 | Cylindrical-roll grinder |
| CN1133019A (en) * | 1993-08-02 | 1996-10-09 | 弗·尔·斯米德恩公司 | Ring roller mill |
| CN202893430U (en) * | 2012-09-17 | 2013-04-24 | 李耀东 | Grinding roller bearing housing-free and non-bearing maintenance-free grinding mill |
| CN203540633U (en) * | 2013-07-23 | 2014-04-16 | 桂林晟兴机械制造有限公司 | Tapered roller flour mill |
| CN203874844U (en) * | 2013-11-29 | 2014-10-15 | 桂林晟兴机械制造有限公司 | Dual-layer roller Raymond mill |
| CN203648634U (en) * | 2014-01-09 | 2014-06-18 | 郑州维科重工机械有限公司 | Direct drive main structure for roller mill |
| CN204583357U (en) * | 2015-04-15 | 2015-08-26 | 河南维科重工机械有限公司 | Combined type flour mill |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105689063A (en) * | 2016-03-03 | 2016-06-22 | 河南维科重工机械有限公司 | Pulverizing mill of which grinding rolls are provided with thrusting device |
| CN105689063B (en) * | 2016-03-03 | 2018-11-13 | 河南省维科重工机械有限公司 | The flour mill of thrust device is provided in grinding roller |
| CN105583037A (en) * | 2016-03-22 | 2016-05-18 | 河南维科重工机械有限公司 | High-efficiency suspension roller grinding mill with swing rod arranged in rotor |
| CN105583037B (en) * | 2016-03-22 | 2018-06-19 | 河南省维科重工机械有限公司 | The efficient suspension mill of swing rod built in rotor |
| CN105618201A (en) * | 2016-03-31 | 2016-06-01 | 河南维科重工机械有限公司 | Pressurized self-balancing grinding machine with ultra-large rolls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104759323B (en) | 2017-07-25 |
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| TR01 | Transfer of patent right |
Effective date of registration: 20210429 Address after: No.1611, Wanshui Road, Lingang New District, Pudong New Area pilot Free Trade Zone, Shanghai Patentee after: SHIBANG INDUSTRIAL TECHNOLOGY GROUP Co.,Ltd. Patentee after: HENAN LIMING HEAVY INDUSTRY & SCIENCE Co.,Ltd. Address before: Xiuwu County, Henan province 454350 industrial agglomeration area in Jiaozuo City Patentee before: HENAN WEIKE HEAVY INDUSTRY MACHINERY Co.,Ltd. |