CN107336132A - Blower fan main shaft bearing position on-line machining structure - Google Patents

Blower fan main shaft bearing position on-line machining structure Download PDF

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Publication number
CN107336132A
CN107336132A CN201710742042.6A CN201710742042A CN107336132A CN 107336132 A CN107336132 A CN 107336132A CN 201710742042 A CN201710742042 A CN 201710742042A CN 107336132 A CN107336132 A CN 107336132A
Authority
CN
China
Prior art keywords
main shaft
blower fan
fan main
bearing position
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710742042.6A
Other languages
Chinese (zh)
Inventor
袁松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SICHUAN ESHENG CEMENT GROUP CO Ltd
Original Assignee
SICHUAN ESHENG CEMENT GROUP CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SICHUAN ESHENG CEMENT GROUP CO Ltd filed Critical SICHUAN ESHENG CEMENT GROUP CO Ltd
Priority to CN201710742042.6A priority Critical patent/CN107336132A/en
Publication of CN107336132A publication Critical patent/CN107336132A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies
    • B24B41/067Work supports, e.g. adjustable steadies radially supporting workpieces
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/10Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00Drives or gearings; Equipment therefor
    • B24B47/20Drives or gearings; Equipment therefor relating to feed movement
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/02Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work
    • B24B5/04Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally
    • B24B5/045Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor involving centres or chucks for holding work for grinding cylindrical surfaces externally with the grinding wheel axis perpendicular to the workpiece axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B5/00Machines or devices designed for grinding surfaces of revolution on work, including those which also grind adjacent plane surfaces; Accessories therefor
    • B24B5/36Single-purpose machines or devices
    • B24B5/363Single-purpose machines or devices for grinding surfaces of revolution in situ

Abstract

The present invention relates to centrifugal blower apparatus field, especially one kind need not pull down draught fan impeller main shaft, at the scene with regard to that can be processed, so as to reduce the input of maintenance cost and overcome the abrading section caused by manual grinding geometrical and toleranging blower fan main shaft bearing position on-line machining structure, including blower fan main shaft and for supporting the step of blower fan main shaft, including abrasive machining device and blower fan main shaft drive device, temporary support bearing is provided between the bearing position of blower fan main shaft termination and step, wherein, blower fan main shaft drive device driving blower fan main shaft rotates, the bearing position of abrasive machining device opposing connection blower fan main shaft center axis thereof is processed.The present invention is ingenious due to structure design, the efficiency of processing is not only greatly improved, reduces the dismounting amount of processing, it is ensured that cylindricity, finish and the axiality of bearing position after processing, advantage is fairly obvious, is particularly suitable for use among the processing of centrifugal blower bearing position.

Description

Blower fan main shaft bearing position on-line machining structure
Technical field
The present invention relates to centrifugal blower apparatus field, especially a kind of blower fan main shaft bearing position on-line machining structure.
Background technology
Centrifugal blower is by the mechanical energy of input, improves gas pressure and supplies gas side by side the machinery of body, it is a kind of driven Fluid machinery, be made up of casing, main shaft, impeller, bearing transmission mechanism and motor etc., it is essential in cement production enterprise Production equipment, particularly there is extremely important effect on dry method production line.
But in actual use, fan bearing is pacified due to unclean, lubrication oil the interruption of lubrication oil, bearing Situations such as after dress using being vibrated caused by the inadequate of clearance, draught fan impeller dynamic balancing difference, make bearing roller and Internal and external cycle bullet The contact area in road can not form lubricating oil film, cause bearing operation gap to be reduced to zero because of temperature rise, heat caused by bearing operation Amount can not shed in time, and bearing temperature quickly improves, and such as do not find and shut down in time, bearing can be embraced because of the reduction of running clearance Extremely, finally it is burnt bearing, it is round circumferentially displaced that serious meeting makes bearing inner race be produced relative to axle, and bearing inner race occurs with axle Cementing phenomenon.
For the plant issue occurred on above-mentioned production line, existing treatment measures are typically that can only stop production draught fan impeller Pull down, carry out external coordination machining or carried out former bearing inner race cementing on bearing position clearly by the way of live manual grinding Remove, re-replace new bearing.But the dismounting blower fan main shaft that stops production is gone out, loss caused by the mode of maintenance is very huge, The working space that is not easy to lift, can not lift especially is being run into, not only repairing efficiency is long, expense is also very high, as manufacture of cement Unit, particularly in the cement busy season, the economic loss that this maintenance mode because of repairing efficiency length is brought is very huge 's.In addition, using the maintenance mode of live manual grinding, maintenance time is shorter, but cannot be guaranteed be polished place cylindricity and Finish, most importantly it cannot be guaranteed that being required with the axiality of another bearing position.Even if after repairing, due to adding caused by polishing Work error, shorten the new service life for changing upper bearing (metal), such as:Because cylindricity and finish difference cause bearing to run inner ring;Cause Cause bearing that the reason such as clearance value changes, oil film breakdown is installed with another bearing position axiality difference.So emergent make can only be used as With causing uncontrollable situation to the planned maintenance of the equipment.
The content of the invention
The technical problems to be solved by the invention, which are to provide one kind, need not pull down draught fan impeller main shaft, at the scene with regard to that can enter Row processing, so as to reduce the input of maintenance cost and overcome the geometrical and toleranging of the abrading section caused by manual grinding Blower fan main shaft bearing position on-line machining structure.
The technical solution adopted for the present invention to solve the technical problems is:Blower fan main shaft bearing position on-line machining structure, bag Blower fan main shaft and the step for supporting blower fan main shaft, including abrasive machining device and blower fan main shaft drive device are included, Temporary support bearing is provided between the bearing position of blower fan main shaft termination and step, wherein, blower fan main shaft drive device is driven Dynamic blower fan main shaft is rotated, and the bearing position of the abrasive machining device opposing connection blower fan main shaft center axis thereof is processed.
It is further that the blower fan main shaft drive device is by motor, drive chain and blower fan main shaft input shaft coupling Device is formed.
It is further that nut helicitic texture is provided with the bearing position, the temporary support bearing passes through spiral shell Female screw thread structure is connected with bearing position.
It is further that angle grinding is provided with the abrasive machining device, the abrasive machining device passes through grinding pair Bearing position is processed.
It is further to be provided with dial gauge on the abrasive machining device.
It is further that grinding regulation handle in angle is provided with the abrasive machining device.
It is further that the abrasive machining device bottom is provided with angle steel stiffening structure.
It is further, including draught fan impeller, the blower fan main shaft are arranged with draught fan impeller central axis coaxial, the wind The both ends of owner's axle are respectively arranged on fixed side bearing seat and free side shaft holder.
It is further that the blower fan main shaft is with 15-20r/min speed uniform rotation.
The beneficial effects of the invention are as follows:For the present invention in actual use, the dismounting to blower fan structure is seldom, will need to only damage Bearing removal and install temporary support bearing, then abrasive machining device is placed into the position of processing, then utilize wind Owner's axial brake device driving blower fan main shaft is rotated and is processed.Further, since structure design is ingenious, the present invention is not The efficiency of processing is only greatly improved, reduces the dismounting amount of processing, it is ensured that be the cylindricity of bearing position after processing, bright and clean Degree and axiality, compared with traditional processing, advantage is fairly obvious, the processing of the centrifugal blower bearing position that is particularly suitable for use in it In.
Brief description of the drawings
Fig. 1 is the mounting structure schematic diagram of bearing position of the present invention and temporary support bearing.
Fig. 2 is the structural representation of blower fan main shaft drive device of the present invention.
Fig. 3 is Fig. 3 A direction views.
Schematic diagram when Fig. 4 is present invention actual use.
Fig. 5 is the schematic diagram when present invention is detected using dial gauge.
Fig. 6 is the schematic diagram when present invention is processed using angle grinding.
In figure mark for:Blower fan main shaft 1, bearing position 2, temporary support bearing 3, step 4, nut helicitic texture 5th, motor 6, drive chain 7, blower fan main shaft input shaft coupling 8, draught fan impeller 9, fixed side bearing seat 10, free side shaft holder 11st, concrete foundation 12, abrasive machining device 13, device bottom plate 131, angle steel stiffening structure 132, dial gauge 133, angle grinding 134th, angle grinding regulation handle 135.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
Blower fan main shaft bearing position on-line machining structure as shown in Figures 1 to 6, including blower fan main shaft 1 and for supporting The step 4 of blower fan main shaft 1, including abrasive machining device 13 and blower fan main shaft drive device, the bearing of the termination of blower fan main shaft 1 Temporary support bearing 3 is provided between position 2 and step 4, wherein, blower fan main shaft drive device driving blower fan main shaft 1 rotates, The bearing position 2 of the center axis thereof of 13 opposing connection blower fan main shaft of abrasive machining device 1 is processed.
The present invention by cleverly structure design, realize allow abrasive machining device 13 can in narrow bearing position 2, Under conditions of not dismantling, cementing bearing inner race is ground, so as to ensure process after bearing position 2 cylindricity, On the premise of finish and axiality, processing efficiency is greatly improved.In general, in order to simplify blower fan main shaft driving dress The structure put, so as to reduce product cost, the blower fan main shaft drive device can be selected by motor 6, drive chain 7 and wind Machine main shaft input end shaft coupling 8 is formed.In addition, by using the nut helicitic texture 5 at fan bearing position 2, installation is faced When spring bearing 3, the temporary support bearing 3 is connected by nut helicitic texture 5 with bearing position 2, so as to more steady Fixed connection, it also ensure that blower fan main shaft 1 is made circle in the case where the bearing position 2 for ensureing both sides is coaxial and rotated in a circumferential direction.
Wherein, the critical component as grinding, as shown in fig. 6, being preferably provided with angle grinding on the abrasive machining device 13 134, the abrasive machining device 13 is processed by being ground 134 pairs of bearing positions 2.The present invention cleverly make use of the work of grinding machine Make mechanism and carry out structure innovation, wherein, grinder wheel in tradition grinding is instead of with angle grinding 134, passes through the rotation of blower fan main shaft 1 Turn, rotating speed controls in certain rotating speed to (generally preferably the rotating speed of blower fan main shaft 1 is 15-20r/ by blower fan main shaft drive device Min linear reciprocating motion), and with abrasive machining device 13 is done together, and wherein linear reciprocating motion is respectively rotary feed campaign Moved with length feed.Due to being ground using the longitudinal grinding method in grinding process, the depth very little being ground every time need to be through multiple Traverse feed grinds off whole grinding allowances.But grinding heat caused by the mill elimination is few, and radiating condition is preferable, can also utilize last The tarry matter stroke without back engagement of the cutting edge is refined several times, and therefore, machining accuracy and surface quality are higher.For grinding action just Victory, it is typically chosen on abrasive machining device 13 and is provided with dial gauge 133, and sets angle to be ground on abrasive machining device 13 Regulation handle 135, angle steel stiffening structure 132 is set in the bottom of abrasive machining device 13.For draught fan impeller 9, the blower fan Main shaft 1 arranges that the both ends of the blower fan main shaft 1 are respectively arranged at fixed side bearing seat 10 with the central axis coaxial of draught fan impeller 9 On free side shaft holder 11.
For the present invention in actual use, the dismounting to blower fan structure is seldom, by the bearing removal of damage and need to only install Temporary support bearing 3, then abrasive machining device 13 is placed into the position of processing, then driven using blower fan main shaft drive device Dynamic blower fan main shaft 1 is rotated and is processed.Further, since structure design is ingenious, the present invention is not only greatly improved The efficiency of processing, reduce the dismounting amount of processing, it is ensured that cylindricity, finish and the axiality of bearing position after processing, Compared with traditional processing, advantage is fairly obvious, has very wide market promotion prospect.

Claims (9)

1. blower fan main shaft bearing position on-line machining structure, including blower fan main shaft (1) and the lower axle for supporting blower fan main shaft (1) Bearing (4), it is characterised in that:Including abrasive machining device (13) and blower fan main shaft drive device, the axle of blower fan main shaft (1) termination Hold and temporary support bearing (3) is provided between position (2) and step (4), wherein, blower fan main shaft drive device driving blower fan master Axle (1) is rotated, and the bearing position (2) of abrasive machining device (13) opposing connection blower fan main shaft (1) center axis thereof is processed.
2. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The blower fan main shaft driving Device is made up of motor (6), drive chain (7) and blower fan main shaft input shaft coupling (8).
3. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:Bearing position (2) place Nut helicitic texture (5) is provided with, the temporary support bearing (3) passes through nut helicitic texture (5) and bearing position (2) connect.
4. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The abrasive machining device (13) angle grinding (134) is provided with, the abrasive machining device (13) is processed by being ground (134) to bearing position (2).
5. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Dial gauge (133) is provided with device (13).
6. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Angle grinding regulation handle (135) is provided with device (13).
7. the blower fan main shaft bearing position on-line machining structure as described in claim 1 or 4, it is characterised in that:The grinding Device (13) bottom is provided with angle steel stiffening structure (132).
8. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:Including draught fan impeller (9), The blower fan main shaft (1) arranges that the both ends of the blower fan main shaft (1) are respectively arranged at draught fan impeller (9) central axis coaxial On fixed side bearing seat (10) and free side shaft holder (11).
9. blower fan main shaft bearing position on-line machining structure as claimed in claim 1, it is characterised in that:The blower fan main shaft (1) With 15-20r/min speed uniform rotation.
CN201710742042.6A 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure Pending CN107336132A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710742042.6A CN107336132A (en) 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710742042.6A CN107336132A (en) 2017-08-25 2017-08-25 Blower fan main shaft bearing position on-line machining structure

Publications (1)

Publication Number Publication Date
CN107336132A true CN107336132A (en) 2017-11-10

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Country Status (1)

Country Link
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515457A (en) * 2018-04-13 2018-09-11 宁波鑫神泽汽车零部件有限公司 Auto parts grinding device
CN109605145A (en) * 2018-12-29 2019-04-12 东莞市彼联机械科技有限公司 Part external arc grinding attachment
CN114800077A (en) * 2022-05-18 2022-07-29 扬州森源电力科技有限公司 Internal grinding machine for machining bearing sleeve of power equipment

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Publication number Priority date Publication date Assignee Title
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CN101439470A (en) * 2008-12-17 2009-05-27 合肥工业大学 Machine tool gas static pressure center frame
CN101968036A (en) * 2010-10-26 2011-02-09 东方电气集团东方汽轮机有限公司 Direct-drive wind generator
CN201791979U (en) * 2010-08-31 2011-04-13 山东莱芜金雷风电科技股份有限公司 Multidirectional synchronous contracting and clamping device for turning main shaft of fan
CN102470506A (en) * 2009-07-22 2012-05-23 株式会社捷太格特 Method and device for preventing slip of work piece
US20120164926A1 (en) * 2009-06-08 2012-06-28 Georg Himmelsbach Grinding-supporting device
CN202851433U (en) * 2012-09-04 2013-04-03 贵州中烟工业有限责任公司 Vane wheel main shaft supporting structure of air conditioner draught fan
CN103084941A (en) * 2011-11-02 2013-05-08 扬州锻压机床集团有限公司 Maintenance device for crankshaft of press
CN105033784A (en) * 2015-08-26 2015-11-11 成都超迈光电科技有限公司 Full-automatic grinder for outer circle grinding of ultra-hard and ultra-crisp artificial lens material
CN105881122A (en) * 2013-12-16 2016-08-24 海宁奇晟轴承有限公司 Bearing outer ring peripheral surface grinding machine of improved structure
CN207139559U (en) * 2017-08-25 2018-03-27 四川峨胜水泥集团股份有限公司 Blower fan main shaft bearing position on-line machining structure

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1284022A (en) * 1997-12-18 2001-02-14 欧文军克机械工厂有限公司 Method and device for polishing workpieces with simultaneous superfinish
CN101439470A (en) * 2008-12-17 2009-05-27 合肥工业大学 Machine tool gas static pressure center frame
US20120164926A1 (en) * 2009-06-08 2012-06-28 Georg Himmelsbach Grinding-supporting device
CN102470506A (en) * 2009-07-22 2012-05-23 株式会社捷太格特 Method and device for preventing slip of work piece
CN201791979U (en) * 2010-08-31 2011-04-13 山东莱芜金雷风电科技股份有限公司 Multidirectional synchronous contracting and clamping device for turning main shaft of fan
CN101968036A (en) * 2010-10-26 2011-02-09 东方电气集团东方汽轮机有限公司 Direct-drive wind generator
CN103084941A (en) * 2011-11-02 2013-05-08 扬州锻压机床集团有限公司 Maintenance device for crankshaft of press
CN202851433U (en) * 2012-09-04 2013-04-03 贵州中烟工业有限责任公司 Vane wheel main shaft supporting structure of air conditioner draught fan
CN105881122A (en) * 2013-12-16 2016-08-24 海宁奇晟轴承有限公司 Bearing outer ring peripheral surface grinding machine of improved structure
CN105033784A (en) * 2015-08-26 2015-11-11 成都超迈光电科技有限公司 Full-automatic grinder for outer circle grinding of ultra-hard and ultra-crisp artificial lens material
CN207139559U (en) * 2017-08-25 2018-03-27 四川峨胜水泥集团股份有限公司 Blower fan main shaft bearing position on-line machining structure

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108515457A (en) * 2018-04-13 2018-09-11 宁波鑫神泽汽车零部件有限公司 Auto parts grinding device
CN109605145A (en) * 2018-12-29 2019-04-12 东莞市彼联机械科技有限公司 Part external arc grinding attachment
CN114800077A (en) * 2022-05-18 2022-07-29 扬州森源电力科技有限公司 Internal grinding machine for machining bearing sleeve of power equipment

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Application publication date: 20171110