CN102728566B - Pressing-type rotary cleaning machine for cylindrical roller bearings - Google Patents
Pressing-type rotary cleaning machine for cylindrical roller bearings Download PDFInfo
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- CN102728566B CN102728566B CN201110074652.6A CN201110074652A CN102728566B CN 102728566 B CN102728566 B CN 102728566B CN 201110074652 A CN201110074652 A CN 201110074652A CN 102728566 B CN102728566 B CN 102728566B
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- workbench
- deep groove
- groove ball
- ball bearing
- bearing
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- 238000004140 cleaning Methods 0.000 title claims abstract description 31
- 238000003825 pressing Methods 0.000 claims abstract description 26
- 239000007921 spray Substances 0.000 claims abstract description 15
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 13
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000010926 purge Methods 0.000 claims description 26
- 230000003319 supportive effect Effects 0.000 claims description 17
- 239000003350 kerosene Substances 0.000 claims description 13
- 125000006850 spacer group Chemical group 0.000 claims description 12
- 239000003208 petroleum Substances 0.000 claims description 10
- 239000002828 fuel tank Substances 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
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Abstract
A pressing-type rotary cleaning machine for cylindrical roller bearings comprises a rotary feeding oil cylinder, an oil tank cleaning chamber, a motor, a speed reducer, a supporter, a spline shaft, a workbench, a rotatable workbench and a movable platform. The workbench is fixed on an upper end cover of the oil tank and the cleaning chamber is arranged on the workbench. A pressing plate push rod is connected on a lower end of a piston rod of the rotary feeding oil cylinder. The spline shaft is equipped on the pressing plate push rod and a spline shaft sleeve is equipped on the spline shaft. The spline shaft sleeve is connected with a second belt pulley which is connected with a first belt pulley on an output shaft of the speed reducer through a belt. Two tracks are arranged on a lower end surface of the movable platform. The two tracks are in sliding fit with two tracks arranged on the workbench. The rotatable workbench is arranged on the movable platform. A spline shaft joint is connected on the lower end of the spline shaft. A pressing plate is fixed on the spline shaft joint. A spray head is arranged in the cleaning chamber. The rotary cleaning machine for cylindrical roller bearings forcibly cleans each set of bearings in a spraying and meanwhile rotating manner so as to increase cleaning effect.
Description
Technical field
The present invention relates to a kind of bearing cleaning machine, particularly relate to a kind of cleaning machine that cleans biserial, four-line column roller bearing.
Background technology
The through cleaning machine of the general employing of bearing cleaning, this cleaning machine bearing cleaning surface and single parts are all right, but a whole set of bearing effect of cleaning structure complexity is undesirable, foreign material between its raceway groove, rolling element and retainer do not wash clean clearly, especially the retainer copper scale impurity of strong adhesion, be hidden in bearing cavity, be difficult to wash, must have the cleaning machine that a kind of bearing inner race, rolling element, retainer move simultaneously just can reach cleaning performance.
Summary of the invention
Object of the present invention, is to provide a kind of pump action cylindrical roller bearing rotation cleaning machine, is specially adapted to the cleaning of biserial, four-line column roller bearing, and simple to operate, degree of changing into is high automatically.
The technical scheme adopting:
A kind of pump action cylindrical roller bearing rotation cleaning machine, comprises that rotating work enters hydraulic cylinder assembly, purge chamber.Oil spraying mechanism, movable workbench hydraulic cylinder assembly, fuel tank, box bracing frame, workbench and power drive mechanism;
Box bracing frame, comprises supporting box and support platform, and support platform is fixed on the upper end cover of supporting box;
Power drive mechanism, comprises motor, reductor and the first belt pulley, and motor output shaft is connected by belt pulley and belt with the power shaft of reductor, is equiped with the first belt pulley on speed reducer output shaft;
Oil spraying mechanism, comprises spray head, petroleum pipeline and kerosene pump, and the upper end of petroleum pipeline is connected with spray head, and the lower end of petroleum pipeline is connected with the oil-out of kerosene pump, and the oil-in of kerosene pump is connected with fuel tank by pipeline, and spray head is arranged on upper end in purge chamber; It is characterized in that:
Described rotation work is entered hydraulic cylinder assembly, comprises the rotation work oil-feed cylinder, supportive body, splined shaft, splined shaft joint, pressing plate and the second belt pulley that are assembled into by cylinder body, piston, piston rod, oil cylinder upper cover and oil cylinder lower cover, supportive body is the tubular construction of lower ending opening, the upper end of supportive body is fixedly connected with support platform, cylinder body vertically arranges, oil cylinder lower cover is fixedly connected with support platform, piston-rod lower end is through the axis hole on supportive body upper end cover, and extend in supportive body, piston-rod lower end is connected with pressing plate push rod, splined shaft is contained on pressing plate push rod, be equiped with the first deep groove ball bearing in pressing plate push rod upper end, be equiped with successively the second deep groove ball bearing and thrust ball bearing in pressing plate push rod lower end, the first deep groove ball bearing, the outer ring of the second deep groove ball bearing and thrust ball bearing lays respectively in bearing block corresponding on splined shaft inwall, on splined shaft, be equiped with hub splines, on hub splines, be equiped with the 3rd deep groove ball bearing and the 4th deep groove ball bearing, the outer ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing lays respectively in the respective shaft bearing of supportive body lower inner wall, between the 3rd deep groove ball bearing and the 4th deep groove ball bearing, be provided with cone spacer and outer ring spacer, the upper and lower side of cone spacer is supported respectively on the inner ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing, and the upper and lower side of outer ring spacer is supported respectively on the outer ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing, the upper end of splined shaft joint is connected with splined shaft lower end inner thread, and the second belt pulley is connected with the first belt pulley on speed reducer output shaft by belt, pressing plate is fixed on splined shaft joint,
Workbench is fixed on the upper surface of fuel tank, longitudinal on workbench upper surface, and is arranged with the first guide rail and the second guide rail in parallel;
The lower end of the supporting box of box bracing frame is fixed on workbench, and purge chamber is the enclosed construction with door, and under purge chamber, end periphery is fixedly connected with workbench, and purge chamber's right side wall is fixedly connected with the left side wall of supporting box;
Described splined shaft joint extend in purge chamber through the joint through hole covering in purge chamber;
Described movable workbench hydraulic cylinder assembly, comprise that rotary table, moveable platform, mold, workbench drive oil cylinder and annular ledge, longitudinal on the lower surface of moveable platform, and be arranged with the 3rd guide rail and the 4th guide rail in parallel, moveable platform is arranged on workbench, the 3rd guide rail on moveable platform lower surface, the 4th guide rail respectively with contact corresponding with the second guide rail of the first guide rail on workbench upper surface, and be slidably matched; Rotary table is arranged on moveable platform, annular ledge packs in the centre bore of moveable platform and rotary table, mold is arranged on the upper surface of rotary table, and is fixedly connected with rotary table, between annular ledge and rotary table, is equiped with bearing; Workbench drives the cylinder body of oil cylinder to be fixed on workbench, and front end and the moveable platform of the piston rod of workbench driving oil cylinder are hinged;
The operation principle of workbench driving oil cylinder and rotation work oil-feed cylinder as shown in Figure 3, is known technology.
Described reductor is worm speed reducer; The downward extended rib that has in described the second guide rail both sides, is guiding rail, when moveable platform is moved forward or backward, can not derail; Described the first and second deep groove ball bearings are 6206 deep groove ball bearings, and described thrust ball bearing is 51306 thrust ball bearings; Described the third and fourth deep groove ball bearing is 6019 deep groove ball bearings.
When work, will be cleaned workpiece, be that bearing 16 is placed in the mold on rotary table, start cleaning procedure, workbench drives oil cylinder work, moveable platform moves up into purge chamber before track, purge chamber's door is shut, at this moment rotate the descent of piston of work oil-feed cylinder, it is descending that piston rod promotes pressing plate, pressing plate is pressed on bearing inner race along upper, the meanwhile electric motor starting in power drive mechanism, after slowing down, drive the second belt pulley being contained on splined shaft to rotate by the first belt pulley on speed reducer output shaft, thereby make splined shaft, splined shaft joint, pressing plate rotation, and drive bearing inner race, rolling element, retainer rotates jointly.At this moment kerosene pump electric motor starting, delivers to through kerosene petroleum pipeline the spray head being arranged in purge chamber by kerosene, and spray is on bearing, at this moment cleaning fluid enters bearing inside along bearing cavity, in the time of bearing rotary, with cleaning fluid, groceries are together taken out of, reach cleaning object.After bearing cleaning completes, close kerosene pump motor, close power transmission motor.Rotation work oil-feed cylinder pressure oil enters piston below, promotes piston rod up.Open purge chamber's door, work is entered Shift cylinder and is driven moveable platform to move bearing outward and exit, and closes the closing door of purge chamber, completes an operation cycle.
Tool of the present invention has the following advantages:
1, the present invention can carry out the rotary cleaning in spray limit, mandatory limit to every cover bearing, cleans because bearing inner race, rolling element, retainer relative motion and outer ring are fixing, has improved cleaning performance.
2, bearing is in the time of dress rolling element, because other foreign material such as rolling element and copper cage extrusion friction generation copper scale adhere on rolling element, copper cage and bearing inner race, clean and be difficult to clean up by tradition spray mode, the present invention, by bearing rotary, makes foreign material be directly exposed under spray and foreign material can be cleaned up along with the rotation of rolling element, retainer and inner ring.
3, the present invention has adopted two cover deep groove ball bearings has been installed between piston rod and splined shaft, a set of thrust ball bearing solves pressing plate Rotation, making it piston rod moves up and down and does not rotate, belt pulley and spline housing rotate and do not move up and down, and splined shaft, splined shaft joint and pressing plate, can move up and down simultaneously and rotate again, reach cleaning performance, improve product quality.
Accompanying drawing explanation
Fig. 1 is a kind of example structure schematic diagram of the present invention.
Fig. 2 is movable workbench hydraulic cylinder assembly schematic diagram.、
Fig. 3 is hydraulic system schematic diagram.
The specific embodiment
A kind of pump action cylindrical roller bearing rotation cleaning machine, comprises that rotating work enters hydraulic cylinder assembly 1, purge chamber 2, oily spraying mechanism 3, movable workbench hydraulic cylinder assembly 4, fuel tank 5, box bracing frame 6, workbench 7 and power drive mechanism;
Box bracing frame 6, comprises supporting box 8 and support platform 9, and support platform 9 is fixed on the upper end cover of supporting box 8, and the lower end of the supporting box 8 of box bracing frame is fixed on workbench 7;
Power drive mechanism, comprise motor 10, worm speed reducer 11 and the first belt pulley 12, motor 10 is fixed on the right side wall 13 of supporting box 8, on the output shaft of motor 10, be equiped with the 3rd belt pulley 14, on the power shaft of worm speed reducer 11, be equiped with the 4th belt pulley 15, on the output shaft of worm speed reducer 11, being equiped with the first belt pulley 12, the three belt pulleys 14 is connected by belt with the 4th belt pulley 15; Worm speed reducer 11 is fixed on support plate 17, and the left end of support plate 17 is fixed on the right side wall 13 of supporting box 8; Oil spraying mechanism, comprise spray head 18, petroleum pipeline 19 and kerosene pump 20, spray head 18 is installed in interior upper end, purge chamber 2, and petroleum pipeline 19 upper ends are connected with spray head, petroleum pipeline 19 lower ends are connected with the oil-out of kerosene pump 20, and the oil-in of kerosene pump is connected with fuel tank by pipeline;
Rotation work is entered hydraulic cylinder assembly 1, comprise by cylinder body 21, piston 22, piston rod 23, the rotation work oil-feed cylinder that oil cylinder upper cover 24 and oil cylinder lower cover 25 are assembled into, supportive body 26, splined shaft 27, splined shaft joint 28, pressing plate 29 and the second belt pulley 30, the tubular construction that supportive body 26 is lower ending opening, supportive body 26 upper ends are fixedly connected with by screw with support platform 9, cylinder body 21 vertically arranges, oil cylinder lower cover 25 is fixedly connected with support platform 9, piston rod 23 lower ends are through the axis hole of supportive body 26 upper ends, and extend in supportive body 26, piston rod 23 lower ends are connected with pressing plate push rod 31, splined shaft 27 is sleeved on pressing plate push rod 31, be equiped with the one 6206 deep groove ball bearing 32 in pressing plate push rod 31 upper ends, be equiped with the 2 6206 deep groove ball bearing 33 and 51306 thrust ball bearings 34 in the lower end of pressing plate push rod 31, the one 6206 deep groove ball bearing 32, the outer ring of the 2 6206 deep groove ball bearing 33 and 51306 thrust ball bearings 34 lays respectively in bearing block corresponding on splined shaft 27 inwalls, on splined shaft 27, be equiped with hub splines 35, on hub splines 35, be equiped with the 3 6019 deep groove ball bearing the 36 and the 4 6019 deep groove ball bearing 37, the outer ring of the 3 6019 deep groove ball bearing 36 and the 4 6019 deep groove ball bearing 37 lays respectively in the respective shaft bearing in main supporter 26 lower inner wall, between the 3 6019 deep groove ball bearing the 36 and the 4 6019 deep groove ball bearing 37, be provided with cone spacer 38 and outer ring spacer 39, the upper and lower side of cone spacer 38 is supported respectively on the inner ring of the 3 6019 deep groove ball bearing 36 and the 4 6019 deep groove ball bearing 37, the upper and lower side of outer ring spacer 39 is supported respectively on the outer ring of the 3 6019 deep groove ball bearing 36 and the 4 6019 deep groove ball bearing 37, the upper end of splined shaft joint 28 is connected with splined shaft 27 lower end inner threads, and hub splines 35 is connected with the axis hole key of the second belt pulley 30, and the second belt pulley 30 is connected with the first belt pulley 12 by belt, pressing plate 29 is fixed on splined shaft joint 28,
Workbench 7 is fixed on the upper surface of fuel tank 5, longitudinal on the upper surface of workbench 7, and is arranged with the first guide rail 40 and the second guide rail 41 in parallel;
Purge chamber 2 is the enclosed construction with door, and 2 times, purge chamber end periphery is fixedly connected with workbench 7, and purge chamber's 2 right side walls are fixedly connected with the left side wall of supporting box 8;
Splined shaft joint 28 extend in purge chamber 2 through purge chamber's 2 upper covers;
Movable workbench hydraulic cylinder assembly 4, comprise rotary table 43, moveable platform 44, mold 45, workbench drives oil cylinder 46 and annular ledge 47, longitudinal on the lower surface of moveable platform 44, and be arranged with the 3rd guide rail 48 and the 4th guide rail 49 in parallel, moveable platform 44 is arranged on workbench 7, the 3rd guide rail 48 on moveable platform 44 lower surfaces, the 4th guide rail 49 respectively with the first guide rail 40 on workbench 7 upper surfaces with second guide rail 41 is corresponding contacts, insert in the groove of the first guide rail 40 both sides extended rib formation downwards the 3rd guide rail 48 upper ends, moveable platform 44 can not be derailed when mobile, rotary table 43 is arranged on moveable platform 44, annular ledge 47 packs in the centre bore of moveable platform 44 and rotary table 43, mold 45 is fixedly installed on rotary table 43, between annular ledge 47 and rotary table 43, be equiped with bearing 42, workbench drives oil cylinder 46 to be fixed on workbench 7, and front end and the moveable platform 44 of the piston rod of workbench driving oil cylinder 46 are hinged.
Claims (2)
1. a pump action cylindrical roller bearing rotation cleaning machine, comprises that rotating work enters hydraulic cylinder assembly, purge chamber, oily spraying mechanism, movable workbench hydraulic cylinder assembly, fuel tank, box bracing frame, workbench and power drive mechanism;
Box bracing frame, comprises supporting box and support platform, and support platform is fixed on the upper end cover of supporting box;
Power drive mechanism, comprises motor, reductor and the first belt pulley, and motor output shaft is connected by belt pulley and belt with the power shaft of reductor, is equiped with the first belt pulley on speed reducer output shaft;
Oil spraying mechanism, comprises spray head, petroleum pipeline and kerosene pump, and the upper end of petroleum pipeline is connected with spray head, and petroleum pipeline lower end is connected with the oil-out of kerosene pump, and the oil-in of kerosene pump is connected with fuel tank by pipeline, and spray head is arranged on upper end in purge chamber; It is characterized in that:
Described rotation work is entered hydraulic cylinder assembly, comprises the rotation work oil-feed cylinder, supportive body, splined shaft, splined shaft joint, pressing plate and the second belt pulley that are assembled into by cylinder body, piston, piston rod, oil cylinder upper cover and oil cylinder lower cover, supportive body is the tubular construction of lower ending opening, the upper end of supportive body is fixedly connected with support platform, cylinder body vertically arranges, oil cylinder lower cover is fixedly connected with support platform, piston-rod lower end is through the axis hole on supportive body upper end cover, and extend in supportive body, piston-rod lower end is connected with pressing plate push rod, splined shaft is contained on pressing plate push rod, be equiped with the first deep groove ball bearing in pressing plate push rod upper end, be equiped with successively the second deep groove ball bearing and thrust ball bearing in pressing plate push rod lower end, the first deep groove ball bearing, the outer ring of the second deep groove ball bearing and thrust ball bearing lays respectively in bearing block corresponding on splined shaft inwall, on splined shaft, be equiped with hub splines, on hub splines, be equiped with the 3rd deep groove ball bearing and the 4th deep groove ball bearing, the outer ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing lays respectively in the respective shaft bearing of supportive body lower inner wall, between the 3rd deep groove ball bearing and the 4th deep groove ball bearing, be provided with cone spacer and outer ring spacer, the upper and lower side of cone spacer is supported respectively on the inner ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing, and the upper and lower side of outer ring spacer is supported respectively on the outer ring of the 3rd deep groove ball bearing and the 4th deep groove ball bearing, the upper end of splined shaft joint is connected with splined shaft lower end inner thread, and the second belt pulley is connected with the first belt pulley on speed reducer output shaft by belt, pressing plate is fixed on splined shaft joint,
Workbench is fixed on the upper surface of fuel tank, longitudinal on workbench upper surface, and is arranged with the first guide rail and the second guide rail in parallel;
The lower end of the supporting box of box bracing frame is fixed on workbench, and purge chamber is the enclosed construction with door, and under purge chamber, end periphery is fixedly connected with workbench, and purge chamber's right side wall is fixedly connected with the left side wall of supporting box;
Described splined shaft joint extend in purge chamber through the joint through hole covering in purge chamber;
Described movable workbench hydraulic cylinder assembly, comprise that rotary table, moveable platform, mold, workbench drive oil cylinder and annular ledge, longitudinal on the lower surface of moveable platform, and be arranged with the 3rd guide rail and the 4th guide rail in parallel, moveable platform is arranged on workbench, the 3rd guide rail on moveable platform lower surface, the 4th guide rail respectively with contact corresponding with the second guide rail of the first guide rail on workbench upper surface, and be slidably matched; Rotary table is arranged on moveable platform, annular ledge packs in the centre bore of moveable platform and rotary table, mold is arranged on the upper surface of rotary table, and is fixedly connected with rotary table, between annular ledge and rotary table, is equiped with bearing; Workbench drives the cylinder body of oil cylinder to be fixed on workbench, and front end and the moveable platform of the piston rod of workbench driving oil cylinder are hinged.
2. a kind of pump action cylindrical roller bearing rotation cleaning machine according to claim 1, is characterized in that described reductor is worm speed reducer; The downward extended rib that has in described the second guide rail both sides is guiding rail; Described the first and second deep groove ball bearings are 6206 deep groove ball bearings, and described thrust ball bearing is 51306 thrust ball bearings; Described the third and fourth deep groove ball bearing is 6019 deep groove ball bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074652.6A CN102728566B (en) | 2011-03-28 | 2011-03-28 | Pressing-type rotary cleaning machine for cylindrical roller bearings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074652.6A CN102728566B (en) | 2011-03-28 | 2011-03-28 | Pressing-type rotary cleaning machine for cylindrical roller bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102728566A CN102728566A (en) | 2012-10-17 |
| CN102728566B true CN102728566B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110074652.6A Active CN102728566B (en) | 2011-03-28 | 2011-03-28 | Pressing-type rotary cleaning machine for cylindrical roller bearings |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103008274B (en) * | 2012-11-30 | 2015-02-04 | 安徽宝辉清洗设备制造有限公司 | Cylinder part cleaning machine |
| CN103567176B (en) * | 2013-11-21 | 2015-10-21 | 方盛车桥（柳州）有限公司 | Master subtracts assembly oil wash machine |
| CN104368544B (en) * | 2014-10-17 | 2016-08-24 | 徐州徐工液压件有限公司 | Portable piston rod head cleans device |
| CN105798005B (en) * | 2016-05-18 | 2017-12-22 | 常州市金海基机械制造有限公司 | A kind of cleaning device of component of machine |
| CN106435625B (en) * | 2016-12-09 | 2018-10-26 | 无锡银联齿轮传动机械有限公司 | Smallclothes cleaning machine turns the mounting structure of basket axis |
| CN106975627A (en) * | 2017-05-20 | 2017-07-25 | 无锡沃尔德轴承有限公司 | A kind of cylinder roller bearing cleaning machine |
| CN112974397A (en) * | 2021-02-04 | 2021-06-18 | 佛山市南海区聚和超声波设备有限公司 | Rotary ultrasonic cleaning machine |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11138111A (en) * | 1997-11-07 | 1999-05-25 | Nippon Steel Corp | Bearing washing device |
| CN2522185Y (en) * | 2002-01-23 | 2002-11-27 | 大连经济技术开发区岳宇机械设备制造有限公司 | Rotary head of bearing washing machine |
| DE202008002597U1 (en) * | 2007-02-26 | 2008-04-30 | Falch Hochdruckstrahlsysteme Gmbh | Rotary nozzle |
| CN201217003Y (en) * | 2008-07-08 | 2009-04-08 | 泰州市金马机电设备有限公司 | Multifunctional bearing cleaning machine |
| CN201399443Y (en) * | 2009-04-03 | 2010-02-10 | 大连现代辅机开发制造有限公司 | Crankshaft rotary cleaning and drying device |
| KR100923563B1 (en) * | 2009-05-08 | 2009-10-27 | (주)클레슨 | Bearing auto washer device and washer method |
| CN201534153U (en) * | 2009-08-30 | 2010-07-28 | 丁克芳 | Improved injection structure of bearing cleaning machine |
| CN201676840U (en) * | 2010-04-21 | 2010-12-22 | 宁波达克轴承有限公司 | Bearing cleaning machine |
| CN101972759B (en) * | 2010-11-19 | 2012-04-18 | 无锡市博阳精密机械制造有限公司 | Bearing ring bore washing machine |
| CN202070507U (en) * | 2011-03-28 | 2011-12-14 | 瓦房店冶矿轴承制造有限公司 | Pump action cylindrical roller bearing rotation cleaning machine |
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Denomination of invention: A rotary cleaning machine for pneumatic cylindrical roller bearing Effective date of registration: 20211014 Granted publication date: 20140709 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2021210000070 |
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Date of cancellation: 20230213 Granted publication date: 20140709 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2021210000070 |
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Denomination of invention: A kind of rotary cleaning machine for press driven cylindrical roller bearing Effective date of registration: 20230216 Granted publication date: 20140709 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2023980032865 |
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Granted publication date: 20140709 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2023980032865 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A rotary cleaning machine for pressure driven cylindrical roller bearings Granted publication date: 20140709 Pledgee: Yingkou Bank Co.,Ltd. Dalian Branch Pledgor: DALIAN GRANDWAY BEARING Co.,Ltd. Registration number: Y2024980003882 |