CN203955300U - Sand mill - Google Patents
Sand mill Download PDFInfo
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- CN203955300U CN203955300U CN201420414781.4U CN201420414781U CN203955300U CN 203955300 U CN203955300 U CN 203955300U CN 201420414781 U CN201420414781 U CN 201420414781U CN 203955300 U CN203955300 U CN 203955300U
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- sand mill
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Abstract
A sand mill for wet grinding subparticle material, is comprised of support, pipe joint, belt pulley, hollow spindle, bearing block, cylinder barrel, cylinder sleeve, rotor, valve jacket, and rotor and rod pin thereof adopt monoblock cast structure, and rod pin adopts taper bending strength to improve; Inner conduit is positioned at hollow spindle center, the hollow spindle internal diameter face of cylinder is communicated with water return outlet, and rotor annular cavity is communicated with inner conduit endoporus, forms the cooling intake tunnel of rotor, rotor annular cavity is communicated with water return outlet through communicating pipe, hollow spindle inner chamber, forms rotor cooling backwater passage; Annular space between cylinder barrel and cylinder sleeve is communicated with water inlet pipe and return pipe respectively, forms cylinder barrel cooling-water duct; Valve jacket is fixed on cylinder barrel, turning handle nut, and the external screw thread on its screw thread and piston interacts, and promotes piston and moves axially, in order to regulate sand mill swept volume and operating pressure.
Description
Technical field
The present invention relates to a kind of milling apparatus of processing subparticle material, especially the sand mill of wet grinding subparticle material.
Background technology
Fine powder milling apparatus is as coating, chemical industry, grinding materials and grinding tool, pharmacy, the important process equipment of the industries such as food, based on ball mill operation principle, develop, sand mill is thinner compared with ball mill grinding granularity, Grinding Quality is better, the type of sand mill mainly contains vertical mixing sand mill, horizontal disc sand mill, Horizontal pin sand mill, China is domestic by the wet grinding technology transfer of Switzerland from eighties of last century the nineties, application relates to coating, ink, agricultural chemicals, mining industry, a plurality of industries such as pottery, the subject matter existing is at present that equipment energy consumption is higher, temperature rise, fineness of grind needs further to improve.Extensive utilization along with new forms of energy, nanometer new material, sand mill is ground to quality, grinding efficiency, working life is had higher requirement, especially high-power sand mill continuous operation, temperature rising has a strong impact on equipment and normally works, and solves device temperature in process of lapping and raises, guarantee the continuous reliably working of sand mill, become important subject.
Summary of the invention
The object of this invention is to provide a kind of equipment intensity high, the life-span is long, and good cooling results can regulate the sand mill of grinding chamber volume and pressure.
The technical solution adopted for the present invention to solve the technical problems is, sand mill is by stirring mill structure, material-transporting system, cooling recirculation system three parts form, material-transporting system is by batch can be processed, circulating pump, process batch can and respective line forms, and content of the present invention is stirring mill structure and cooling recirculation system.
The structure of stirring mill structure and cooling recirculation system, by support, pipe joint, belt pulley, hollow spindle, bearing block, cylinder barrel, cylinder sleeve, rotor, valve jacket, formed, it is characterized in that: rotor and rod pin thereof adopt monoblock cast structure, cut down finished cost, rod pin adopts taper bending strength to improve; Discharge nozzle end on cylinder barrel is fixed with filter screen, and mesh size guarantees that material to be machined can pass through smoothly, and mill ball can not pass through.Bearing block left end is fixed by screws on support by gland, bearing block right-hand member is fixed on support by the screw of one group of circumference uniform distribution, hollow spindle is bearing in bearing block by ball bearing, roller bearing, and long positioning sleeve is realized the bearing inner race axial location between roller bearing and roller bearing.Hollow spindle left end is installed positioning sleeve I, bearing cap, pulley key, belt pulley, round nut, pipe joint successively, in bearing cap, embed dust ring, screw by one group of circumference uniform distribution is fixed on bearing cap on bearing block, and round nut is realized the left end axial location of all parts on hollow spindle.It is characterized in that: hollow spindle left end is provided with joint ring set, steel ball, pipe joint, inner conduit is positioned at hollow spindle center, left end is fixedly connected with pipe joint by screw thread, inner conduit endoporus is communicated with water inlet, joint ring set left end embeds pipe joint inner chamber, right-hand member is fixedly connected with hollow spindle endoporus by screw thread, during work, pipe joint is static, joint ring set rotates with hollow spindle, the hollow spindle internal diameter face of cylinder is communicated with water return outlet with the toroidal cavity that the inner conduit external diameter face of cylinder forms, the endoporus of rotor is connected with hollow spindle by rotor key, with hollow spindle, rotate, rotor annular cavity right-hand member is communicated with inner conduit endoporus, form the cooling intake tunnel of rotor, rotor annular cavity left end was communicated with hollow spindle inner chamber by communicating pipe, be communicated with left end water return outlet, form rotor cooling backwater passage.It is characterized in that: between pipe joint and joint ring set, relatively rotate by steel ball and have sliding friction to become rolling friction, reduced fretting wear and heating.Hollow spindle right-hand member is installed positioning sleeve II, mechanical seal, pressing plate, rotor key, rotor, slip cap, end nut, rotor endcap successively, by screw, rotor endcap is fixed on rotor, end nut is realized the right-hand member axial location of all parts on hollow spindle.It is characterized in that: the right side fluting of positioning sleeve II, embeds flexible member and play buffer shock-absorbing effect, protection mechanical seal in groove.Integral body after cylinder barrel and cylinder sleeve assembling is passed through. and screw is fixed on support, it is characterized in that: the annular space two ends between cylinder barrel and cylinder sleeve are communicated with water inlet pipe and return pipe respectively, forms cylinder barrel cooling-water duct.It is characterized in that: valve jacket is fixed by screws on cylinder barrel, end cap is fixed by screws on valve jacket, screw is fixed on baffle ring on end cap, handle nut is limited by the shoulder of baffle ring, described handle nut is less than the axial length of baffle ring corresponding part by the axial length of baffle ring restricted part, so can not moving axially, handle nut can rotate around axis, handle is fixed on handle nut by the screw thread of end, when handle band fixed handle nut rotation, screw thread in handle nut inner hole and the external screw thread on piston interact, promotion piston moves axially, in order to regulate sand mill swept volume and operating pressure.
The operation principle of wet grinding sand mill is, before starting working, in airtight grinding chamber, add mill ball, material to be processed in advance and water be mixed and made into liquid, by circulating pump, carry, rotor drives mill ball motion, the pulverizing of realization to solid particle in solid-liquid phase mixture, during work, between rotor and excellent pin thereof and mill ball and solid-liquid phase mixed material, produce strong collision, friction, extruding, shear action, levigate solid particle, discharge nozzle end is fixed with filter screen, mesh size guarantees that material to be machined can pass through smoothly, mill ball can not pass through, material flows into from feed pipe, through sealing working chamber and rotor, mill ball effect, from discharge nozzle, flow out, work is carried out continuously.
The invention has the beneficial effects as follows, rotor and epitrochanterian rod pin adopt monoblock cast structure, and rod pin adopts pyramidal structure, cuts down finished cost, and tapered rod pin bending strength improves, the extension device life-span; A cooling water system between cylinder barrel, cylinder sleeve, cooling water system of internal rotor, dual-cooled, effective, ensure the continuous safe operation of sand mill; Between pipe joint and joint ring set, relatively rotate, by steel ball, sliding friction is become to rolling friction, reduced fretting wear and heating; During handle nut rotation, the screw thread in handle nut inner hole and the external screw thread on piston interact, and promote piston and move axially, and can regulate sand mill grinding chamber volume and pressure.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.Obviously; described embodiment is only a part of embodiment of invention, rather than whole embodiment, based on embodiments of the invention; those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to protection scope of the present invention.
Fig. 1 is the vertical section structural map of embodiments of the invention.
Fig. 2 removes A-A after belt pulley to view in Fig. 1.
Fig. 3 is material to be machined flow process chart.
At Fig. 1, Fig. 2, in Fig. 3: 1. support, 2. belt pulley, 3. round nut, 4. hollow spindle, 5. water return outlet, 6. water inlet, 7. pipe joint, 8. inner conduit, 9. joint ring set, 10. steel ball, 11. pulley keies, 12. positioning sleeve I, 13. dust rings, 14. bearing caps, 15. screws, 16. glands, 17. ball bearings, 18. roller bearings, 19. long positioning sleeves, 20. bearing blocks, 21 roller bearings., 22. positioning sleeve II, 23. mechanical seals, 24. discharge nozzles, 25. water inlet pipes, 26. cylinder barrels, 27. cylinder sleeves, 28. rotors, 29. rotor key, 30. feed pipes, 31. end nuts, 32. slip caps, 33. valve jackets, 34. end caps, 35. pistons, 36. baffle rings, 37. handles, 38. handle nuts, 39. screws, 40. rotor endcap, 41. screws, 42. screws, 43. return pipes, 44. communicating pipes, 45. fabrication hole plugs, 46. screws, 47. screws, 48. pressing plates, 49. screws, 50. batch cans to be processed, 51. circulating pumps, 52. have processed batch can.
The specific embodiment
Stirring mill structure in Fig. 1, Fig. 2 and the structure of cooling recirculation system, by support (1), pipe joint (7), belt pulley (2), hollow spindle (4), bearing block (20), cylinder barrel (26), cylinder sleeve (27), rotor (28), valve jacket (33), formed, it is characterized in that: rotor (28) and rod pin thereof adopt monoblock cast structure, cut down finished cost, rod pin adopts taper bending strength to improve; Discharge nozzle (24) end on cylinder barrel (26) is fixed with filter screen, and mesh size guarantees that material to be machined can pass through smoothly, and mill ball can not pass through.Bearing block (20) left end is fixed on support (1) by screw (49) by gland (16), bearing block (20) right-hand member is fixed on support (1) by the screw (45) of one group of circumference uniform distribution, hollow spindle (4) is bearing in bearing block (20) by ball bearing (17), roller bearing (18), roller bearing (21), and long positioning sleeve (19) is realized the bearing inner race axial location between roller bearing (18) and roller bearing (21).Hollow spindle (4) left end is installed positioning sleeve I (12), bearing cap (14), pulley key (11), belt pulley (2), round nut (3), pipe joint (7) successively, in bearing cap (14), embed dust ring (13), screw (15) by one group of circumference uniform distribution is fixed on bearing block (20) above bearing cap (14), and round nut (3) is realized the left end axial location of the upper all parts of hollow spindle (4).It is characterized in that: hollow spindle (4) left end is provided with joint ring set (9), steel ball (10), pipe joint (7), inner conduit (8) is positioned at hollow spindle (4) center, left end is fixedly connected with pipe joint (7) by screw thread, inner conduit (8) endoporus is communicated with water inlet (6), joint ring set (9) left end embeds pipe joint inner chamber, right-hand member is fixedly connected with hollow spindle (4) endoporus by screw thread, during work, pipe joint (7) is static, joint ring set (9) rotates with hollow spindle, hollow spindle (4) the internal diameter face of cylinder is communicated with water return outlet (5) with the toroidal cavity that inner conduit (8) the external diameter face of cylinder forms, the endoporus of rotor (28) is connected with hollow spindle (4) by rotor key (29), with hollow spindle (4), rotate, rotor (28) toroidal cavity right-hand member is communicated with inner conduit (8) endoporus, form the cooling intake tunnel of rotor, rotor (28) toroidal cavity left end is by being communicated with hollow spindle (4) inner chamber communicating pipe (44), be communicated with left end water return outlet (5), form rotor cooling backwater passage.It is characterized in that: between pipe joint (7) and joint ring set (9), relatively rotate by steel ball (10) and have sliding friction to become rolling friction, reduced fretting wear and heating.Hollow spindle (4) right-hand member is installed positioning sleeve II (22), mechanical seal (23), pressing plate (48), rotor key (29), rotor (28), slip cap (32), end nut (31), rotor endcap (40) successively, by screw (41), rotor endcap (40) is fixed on to rotor (28) upper, end nut (31) is realized the right-hand member axial location of the upper all parts of hollow spindle (4).It is characterized in that: the right side fluting of positioning sleeve II (22), embeds flexible member and play buffer shock-absorbing effect, protection mechanical seal in groove.Integral body after cylinder barrel (26) and cylinder sleeve (27) assembling is passed through. and screw (47) is fixed on support (1), it is characterized in that: the annular space two ends between cylinder barrel (26) and cylinder sleeve (27) are communicated with water inlet pipe (25) and return pipe (43) respectively, form cylinder barrel cooling-water duct.It is characterized in that: valve jacket (33) is fixed on cylinder barrel (26) by screw (42), end cap (34) is fixed by screws on valve jacket (33), screw (39) is fixed on baffle ring (36) on end cap (34), handle nut (38) is limited by the shoulder of baffle ring (36), described handle nut (38) is less than the axial length of baffle ring corresponding part by the axial length of baffle ring (36) restricted part, so handle nut (38) can not move axially but can rotate around axis, handle (37) is fixed on handle nut (38) by the screw thread of end, when handle (37) band fixed handle nut (38) rotates, screw thread in handle nut (38) endoporus and the external screw thread on piston (35) interact, promoting piston (35) moves axially, in order to regulate sand mill swept volume and operating pressure.
At Fig. 1, in Fig. 3, course of action of the present invention and operating procedure: work front opening feed pipe (30), by adding suitable mill ball in feed pipe (30) phase cylinder sleeve (27), then connect feed pipe (30), after checking that all normally, start circulating pump (51), solid-liquid material to be processed passes through pipeline from batch can be processed (50), by feed pipe (30), entered in cylinder sleeve (27), motor rotates by V-type band drive pulley (2), by pulley key (11), drive hollow spindle (4) to rotate, further by rotor key (29) rotor driven (28), in cylinder sleeve (27), rotate, collision by rotor (28) and mill ball, extruding, friction, shear, realize levigate grinding, then from discharge nozzle (24), flow out, enter and process batch can (52), the filter screen mesh size of discharge nozzle (24) end guarantees that material to be machined can pass through smoothly, mill ball can not pass through, regulate the flow of circulating pump (51), just can control the milling time of raw material, and then obtain the fineness of grind that requires.During work, except belt pulley (2), pulley key (11), hollow spindle (4), rotor key (29), rotor (28), the inner ring of ball bearing (17) are, the appropriate section of the inner ring of roller bearing (18), the inner ring of roller bearing (21), long positioning sleeve (19), positioning sleeve II (22) and mechanical seal (23) is rotated, the relative support of other parts in Fig. 1 is static.The glide path of this cooling water system between cylinder barrel (26) and cylinder sleeve (27) is, from water inlet pipe (25) inflow, through the annular space between cylinder barrel (26) and cylinder sleeve (27), from return pipe (43) outflow, to take away heat.The glide path of this cooling water system that rotor (28) is inner is, from water inlet (6), flow into, inner chamber through inner conduit (8) enters the toroidal cavity of rotor (28) from the right-hand member of inner conduit (8), then by communicating pipe (44), enter the toroidal cavity that hollow spindle (4) internal diameter and inner conduit (8) external diameter form, finally from water return outlet (5), flow out, take away heat.Dual-cooled, machine when work temperature can be not too high, and each several part intensity and toughness can, because of temperature two declines that raise, not ensure the continuous safe operation of sand mill.When needs regulate sand milling chamber volume or operating pressure, rotary handle (37) band fixed handle nut (38) rotates, screw thread in handle nut (38) endoporus and the external screw thread on piston (35) interact, and promote piston (35) and move axially, in order to regulate grinding chamber volume and pressure.Fabrication hole plug (45) in Fig. 1 is for installing special setting of communicating pipe (44).
Claims (6)
1. a sand mill, by support (1), belt pulley (2), hollow spindle (4), bearing block (20), cylinder barrel (26), cylinder sleeve (27), rotor (28), valve jacket (33), formed, it is characterized in that: rotor (28) and rod pin thereof adopt monoblock cast structure, cut down finished cost, rod pin adopts taper bending strength to improve, discharge nozzle (24) end on cylinder barrel (26) is fixed with filter screen, and mesh size guarantees that material to be machined can pass through smoothly, and mill ball can not pass through.
2. sand mill according to claim 1, it is characterized in that: hollow spindle (4) left end is provided with joint ring set (9), steel ball (10), pipe joint (7), inner conduit (8) is positioned at hollow spindle (4) center, left end is fixedly connected with pipe joint (7) by screw thread, inner conduit (8) endoporus is communicated with water inlet (6), joint ring set (9) left end embeds pipe joint inner chamber, right-hand member is fixedly connected with hollow spindle (4) endoporus by screw thread, during work, pipe joint (7) is static, joint ring set (9) rotates with hollow spindle, hollow spindle (4) the internal diameter face of cylinder is communicated with water return outlet (5) with the toroidal cavity that inner conduit (8) the external diameter face of cylinder forms, the endoporus of rotor (28) is connected with hollow spindle (4) by rotor key (29), with hollow spindle (4), rotate, rotor (28) toroidal cavity right-hand member is communicated with inner conduit (8) endoporus, form the cooling intake tunnel of rotor, rotor (28) toroidal cavity left end is by being communicated with hollow spindle (4) inner chamber communicating pipe (44), be communicated with left end water return outlet (5), form rotor cooling backwater passage.
3. sand mill according to claim 2, is characterized in that: between pipe joint (7) and joint ring set (9), relatively rotate, by steel ball (10), sliding friction is become to rolling friction, reduced fretting wear and heating.
4. sand mill according to claim 1, is characterized in that: the annular space two ends between cylinder barrel (26) and cylinder sleeve (27) are communicated with water inlet pipe (25) and return pipe (43) respectively, forms cylinder barrel (26) cooling-water duct.
5. sand mill according to claim 1, it is characterized in that: valve jacket (33) is fixed on cylinder barrel (26) by screw (42), end cap (34) is fixed by screws on valve jacket (33), screw (39) is fixed on baffle ring (36) on end cap (34), handle nut (38) is limited by the shoulder of baffle ring (36), described handle nut (38) is less than the axial length of baffle ring corresponding part by the axial length of baffle ring (36) restricted part, so handle nut (38) can not move axially but can rotate around axis, handle (37) is fixed on handle nut (38) by the screw thread of end, when handle (37) band fixed handle nut (38) rotates, screw thread in handle nut (38) endoporus and the external screw thread on piston (35) interact, promoting piston (35) moves axially, in order to regulate sand mill working chamber volume and operating pressure.
6. sand mill according to claim 1, is characterized in that: the right side fluting of positioning sleeve II (22), embeds flexible member and play buffer shock-absorbing effect, protection mechanical seal in groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414781.4U CN203955300U (en) | 2014-07-26 | 2014-07-26 | Sand mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420414781.4U CN203955300U (en) | 2014-07-26 | 2014-07-26 | Sand mill |
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| Publication Number | Publication Date |
|---|---|
| CN203955300U true CN203955300U (en) | 2014-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420414781.4U Expired - Fee Related CN203955300U (en) | 2014-07-26 | 2014-07-26 | Sand mill |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104138778A (en) * | 2014-07-26 | 2014-11-12 | 湖州师范学院 | Sand mill |
| WO2016165645A1 (en) * | 2015-04-17 | 2016-10-20 | 武汉凯迪工程技术研究总院有限公司 | High-pressure pulverizer |
| CN109921125B (en) * | 2019-03-12 | 2020-08-18 | 赣州市豪鹏科技有限公司 | Lithium battery recovery pretreatment method |
-
2014
- 2014-07-26 CN CN201420414781.4U patent/CN203955300U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104138778A (en) * | 2014-07-26 | 2014-11-12 | 湖州师范学院 | Sand mill |
| CN104138778B (en) * | 2014-07-26 | 2016-04-06 | 湖州师范学院 | Sand mill |
| WO2016165645A1 (en) * | 2015-04-17 | 2016-10-20 | 武汉凯迪工程技术研究总院有限公司 | High-pressure pulverizer |
| RU2670873C1 (en) * | 2015-04-17 | 2018-10-25 | Ухань Кайди Инджиниринг Текнолоджи Рисерч Инститьют Ко., Лтд. | Atomization mill operating at high pressure |
| RU2670873C9 (en) * | 2015-04-17 | 2018-12-11 | Ухань Кайди Инджиниринг Текнолоджи Рисерч Инститьют Ко., Лтд. | Atomization mill operating at high pressure |
| CN109921125B (en) * | 2019-03-12 | 2020-08-18 | 赣州市豪鹏科技有限公司 | Lithium battery recovery pretreatment method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141126 Termination date: 20160726 |
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| CF01 | Termination of patent right due to non-payment of annual fee |