CN102267042A - Pocket machining device and method for machining integral bearing retainer of wind power equipment - Google Patents
Pocket machining device and method for machining integral bearing retainer of wind power equipment Download PDFInfo
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- CN102267042A CN102267042A CN201110193377XA CN201110193377A CN102267042A CN 102267042 A CN102267042 A CN 102267042A CN 201110193377X A CN201110193377X A CN 201110193377XA CN 201110193377 A CN201110193377 A CN 201110193377A CN 102267042 A CN102267042 A CN 102267042A
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- swing arm
- wind power
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Abstract
The invention relates to a pocket machining device and a method for machining an integral bearing retainer of wind power equipment. The machining method comprises the steps of material feeding, rough rounding, welding, fine rounding and shaping in sequence, as well as pocket machining; the machining method is characterized in that: in the material feeding step, a cold-rolled plate is cut into a straight-strip-shaped pocket-free plate; the pocket machining step is performed after the fine rounding step and before the shaping step; and the roundness of pockets on the retainer can be ensured, the pockets can be prevented from deforming and generating multi-edge round, and the precision of the pockets on the retainer can be guaranteed. The pocket machining device comprises a supporting mechanism, a radial positioning mechanism, an axial positioning mechanism, a retainer driving and moving mechanism and a movable arm limiting mechanism, as well as a hydraulic control system which is used for controlling a first cylinder, a second cylinder, a movable arm cylinder and a third cylinder. The functions of clamping, positioning, equal-distance feeding, compressing and discharging and the like of the retainer after being welded into a whole can be realized during pocket laser cutting and machining.
Description
Technical field
The present invention relates to the retainer processing technique field, specifically is a kind of wind power equipment bearing integral holder pocket hole processing device.
Background technology
Wind power equipment bearing integral formula retainer has the materials thin thickness, and (material thickness 5～10mm), finished width are narrow, and ((external diameter is at Φ 1500～3500mm), rolling element pocket hole many (being generally 60～150) and arrange closely to expect wide by 50～100mm), external diameter super large; Overall precision height, poor rigidity, yielding; Structure is special, service condition is complicated.Behind the wind power equipment bearing, just lost the possibility of dismounting, reparation and replacing once pack into.
The existing technological process of production of wind power equipment bearing integral holder is:
Cold rolled sheet laser cutting blanking (containing rolling element pocket hole) → Surface Machining → slightly round as a ball → welding → weld dressing → nondestructive inspection detection → fine finishining rolling element pocket hole → smart round as a ball shaping → integer → modifier treatment → finishing type → phosphatization processing → test package.
In existing processing technology, because cold rolled sheet has been processed 60～150 rolling element pocket holes that five equilibrium is arranged when the laser cutting blanking, it is the semi-finished product of strip, as shown in Figure 1, when follow-up " thick; smart round as a ball shaping " and " integer " operation, can be because of the position in its band pocket hole, connecting portion between two pocket holes shapes such as (promptly easily producing the position 1 of many rib circles), structure is different and cause round as a ball diastrophic inconsistent, promptly produce the phenomenon of " many rib circles ", cause pocket hole circle degree (middle footpath tolerance+0.5mm, the circularity 0.8mm) specification requirement of integral cage finished product to be difficult for guaranteeing.
Summary of the invention
In order to overcome the shortcoming that above-mentioned prior art exists, the object of the present invention is to provide a kind of wind power equipment bearing integral holder processing method, it can guarantee the circularity in the pocket hole on the retainer, avoids the pocket bore deformation to produce many rib circles.
This wind power bearing integral cage processing method, its step successively comprise blanking, slightly round as a ball, welding, smart round as a ball, integer; The step that also comprises processing pocket hole; What cutting formed to cold rolled sheet in the described blanking step is that the vertical bar shape does not have pocket orifice plate material; After the step in described processing pocket hole is positioned at smart round as a ball step, before the shaping step.
The present invention also provides a kind of wind power bearing integral cage pocket hole processing device, realizes being welded into clamping, location, the equidistant feeding when carrying out Laser cutting pocket hole of retainer after the integral body, compresses and function such as discharging.
This wind power bearing integral cage pocket hole processing device comprises:
Supporting mechanism comprises many to the relatively-stationary roller in position; Every pair roller be arranged in parallel and axial and retainer axially parallel, is provided with the space that is used to place retainer between two rollers; Space between many pair rollers is positioned on the same circle, and the space of many pair rollers constitutes the track of placing retainer and moving for the retainer rotation;
Radial location mechanism comprises first cylinder that fixedly installs, the fixed block that also comprises the radially pressure head that is connected with the piston rod of first cylinder, is positioned at pressure head below radially and cooperates with pressure head radially;
Axial location mechanism comprises second cylinder, the wallboard that fixedly install, and the piston rod of described second cylinder is connected with axial pressure head after passing wallboard;
Drive retainer travel mechanism, comprise swing arm, an end of swing arm is hinged on and retainer center of circle corresponding point position, and the other end of swing arm sets firmly a swing arm cylinder, and the piston rod of swing arm cylinder connects one and cooperates to compress the pressure head of retainer with the end face of described swing arm; Also comprise the 3rd cylinder that is positioned at swing arm one side and is obliquely installed, the piston rod end of the 3rd cylinder and described swing arm are hinged;
The swing arm position-limit mechanism comprises two locating pieces that limit described swing arm stroke, lays respectively at the both sides of swing arm;
The hydraulic control system that also comprises described first cylinder of control, second cylinder, swing arm cylinder, the 3rd cylinder.
As further technical scheme of the present invention:
In this wind-powered electricity generation wind power equipment bearing integral holder pocket hole processing device, comprise that also retainer moves position-limit mechanism, this retainer moves position-limit mechanism and comprises the four-cylinder that fixedly installs, the piston rod of four-cylinder is nested with a swivel head after passing a frame plate that fixedly installs, between one end face of swivel head and the described frame plate holder is set, holder is nested with on piston rod and inner chamber is set, be provided with spring in the inner chamber of holder, one end of spring withstands on the end face of swivel head, and the other end withstands on the interior resonator end surface of holder; Connect a screw rod vertical with piston rod on the described swivel head, be set with trundle on the screw rod, the vertical range between the periphery of trundle and the described frame plate and the width of retainer adapt.
In this wind-powered electricity generation wind power equipment bearing integral holder pocket hole processing device, described axial location mechanism also comprises template, and template is at described wallboard and axially be fixed together between the pressure head and with wallboard; The upper edge of template is the circular arc that adapts with the retainer medial surface.
In this wind-powered electricity generation wind power equipment bearing integral holder pocket hole processing device, described radial location mechanism is provided with two covers, and symmetry is positioned at the both sides of laser cutting head.
In this wind-powered electricity generation wind power equipment bearing integral holder pocket hole processing device, described axial location mechanism is provided with two covers, the corresponding respectively below that is arranged on two cover radial location mechanisms.
The invention has the beneficial effects as follows: processing method of the present invention has changed the operation processing content of " blanking of cold rolled sheet laser cutting ".In this operation, no longer process each rolling element circular hole that 60～150 even five equilibriums are arranged, fundamentally solved the wind power equipment bearing integral holder and added man-hour in " thick, smart round as a ball shaping " operation and " integer " operation, because of the influence of the position in its band pocket hole and the connecting portion between two pocket holes etc. self shape, structure causes the inconsistent of bending when round as a ball, distortion, " the many rib circles " phenomenon that is promptly produced also helps the precision (comprising roughness, tolerance etc.) that guarantees each rolling element pocket hole on the retainer.
Simultaneously, thin thickness, width are narrow because the wind power equipment bearing integral holder has formed after being welded into integral body, external diameter super large, the open circles shape of distortion very easily.When Laser cutting is carried out in each pocket hole, should have one and can finish clamping, location, equidistant feeding, compress and the fitting device of function such as discharging is implemented to finish.Pocket hole processing device of the present invention is the fitting device of processing method special use of the present invention, to realize above-mentioned functions.
Eliminated " many rib circles " phenomenon and running in bearings fully at the wind power equipment bearing integral holder after, can prevent effectively between the outer face of integral cage inner surface and bearing inner race and integral cage outer surface and the bearing outer ring inner face because of " the many ribs circles " CONTACT WITH FRICTION that situation caused, thereby avoid the premature wear of wind power equipment bearing.
Description of drawings
The present invention is described further below in conjunction with drawings and Examples:
Fig. 1 is the semi-finished product structural representation that the blanking of cold rolled sheet laser cutting forms in the prior art,
Fig. 2 is the structural representation of pocket hole processing device embodiment of the present invention,
Fig. 3 is the structural representation of supporting mechanism among the pocket hole processing device embodiment of the present invention,
Fig. 4 is the vertical view of Fig. 3,
Fig. 5 is the structural representation of radial location mechanism among the pocket hole processing device embodiment of the present invention,
Fig. 6 is the structural representation of axial detent mechanism among the pocket hole processing device embodiment of the present invention,
Fig. 7 is the left view of Fig. 6,
Fig. 8 is the right view of Fig. 6,
Fig. 9 is the structural representation of swing arm cylinder and swing arm cylinder pressure head among the pocket hole processing device embodiment of the present invention,
Figure 10 is the left view of Fig. 9,
Figure 11 is the structural representation that retainer moves position-limit mechanism among the pocket hole processing device embodiment of the present invention,
Figure 12 is the right view of Figure 11,
Among the figure: 1 easily produces the position of many rib circles, 2 retainers, 3 supporting mechanisms, 31 rollers, 4 radial location mechanisms, 41 first cylinders, 42 pressure heads radially, 5 axial location mechanisms, 51 second cylinders, 52 wallboards, 53 axial pressure heads, 54 templates, 6 swing arms, 7 swing arm cylinders, 71 pressure heads, 8 locating pieces, 9 the 3rd cylinders, 10 laser cutting heads, 11 retainers move position-limit mechanism, 111 four-cylinders, 112 frame plates, 113 swivel heads, 114 holders, 115 springs, 116 screw rods, 117 trundles.
The specific embodiment
This wind power bearing integral cage processing method, its step successively comprise blanking, slightly round as a ball, welding, smart round as a ball, integer; The step that also comprises processing pocket hole; What cutting formed to cold rolled sheet in the described blanking step is that the vertical bar shape does not have pocket orifice plate material; After the step in described processing pocket hole is positioned at smart round as a ball step, before the shaping step.
As shown in Figure 2, this wind power bearing integral cage pocket hole processing device comprises that mainly supporting mechanism 3, radial location mechanism 4, axial location mechanism 5, driving retainer travel mechanism, swing arm position-limit mechanism, retainer move position-limit mechanism 11.
Shown in Fig. 3,4, supporting mechanism 3 comprises 20 pairs of relatively-stationary rollers 31 in position; Every pair roller be arranged in parallel and axial and retainer 2 axially parallels, is provided with the space that is used to place retainer 2 between two rollers 31; Space between many pair rollers is positioned on the same circle, and the space of many pair rollers constitutes the track of placing retainer and moving for the retainer rotation.
As shown in Figure 5, radial location mechanism 4 comprises first cylinder 41 that fixedly installs, the fixed block that also comprises the radially pressure head 42 that is connected with the piston rod of first cylinder, is positioned at pressure head below radially and cooperates with pressure head radially; This radial location mechanism 4 is provided with two covers, and symmetry is positioned at the both sides of laser cutting head 10.
Shown in Fig. 6,7,8, axial location mechanism 5 comprises second cylinder 51, the wallboard 52 that fixedly installs, and the piston rod of described second cylinder 51 passes wallboard 52 backs and is connected with axial pressure head 53; Also comprise template 54, template 54 is fixed together between described wallboard 52 and axial pressure head 53 and with wallboard 52; The upper edge of template 54 is the circular arc that adapts with retainer 2 medial surfaces.This axial location mechanism is provided with two covers, the corresponding respectively below that is arranged on two cover radial location mechanisms.
Drive retainer travel mechanism and comprise swing arm 6, one end of swing arm 6 is hinged on and retainer center of circle corresponding point position, the other end of swing arm 6 sets firmly a swing arm cylinder 7, and shown in Fig. 9,10, the piston rod of swing arm cylinder 7 connects a pressure head 71 that cooperates with the end face of described swing arm to compress retainer; The piston rod end and the described swing arm 6 that also comprise the 3rd cylinder 9, the three cylinders 9 that are positioned at swing arm 6 one sides and are obliquely installed are hinged;
The swing arm position-limit mechanism comprises two locating pieces 8 that limit described swing arm 6 strokes, lays respectively at the both sides of swing arm 6.
Shown in Figure 11,12, retainer moves position-limit mechanism 11 and comprises the four-cylinder 111 that fixedly installs, the piston rod of four-cylinder 111 is nested with a swivel head 113 after passing a frame plate that fixedly installs 112, between one end face of swivel head 113 and the described frame plate 112 holder 114 is set, holder 114 is nested with on piston rod and inner chamber is set, be provided with spring 115 in the inner chamber of holder 114, one end of spring 115 withstands on the end face of swivel head 113, and the other end withstands on the holder 114 interior resonator end surfaces; Connect a screw rod 116 vertical with piston rod on the described swivel head 113, be set with trundle 117 on the screw rod 116, the vertical range between the periphery of trundle 117 and the described frame plate 112 and the width of retainer 2 adapt.
This wind power bearing integral cage pocket hole processing device also comprises the hydraulic control system of described first cylinder of control, second cylinder, swing arm cylinder, the 3rd cylinder, four-cylinder.
During processing pocket hole, its implementation process is as follows:
1). will be welding forming, treat the integral cage 2 in each pocket hole of Laser cutting rolling element, be placed in the precalculated position of being limited with 20 pair rollers 31 in the fitting device, the crack space between every pair roller 31 is the rotation moving track of retainer 2.Roller 31 is set, behind each pocket hole of laser cutting, rotates frictional resistance when moving to next pocket hole site in order to reduce and to reduce retainer 2.
2). by two of the control of first cylinder 41 radially pressure head 42 compress retainer 2, guarantee the firm of when each rolling element pocket hole of laser cutting retainer 2 present positions.The axial pressure head 51 of axial location mechanism 5 by second cylinder, 51 adhesives tension retainer 2, allows an end face of retainer to be processed 2 be pressed on the wallboard by 51 controls of second cylinder before carrying out laser cutting rolling element pocket hole, realizes the axial location of retainer 2; The medial surface of retainer 2 keeps closely contacting with template 54 simultaneously, with each pocket hole symmetry on width after the assurance laser cutting.
3). pressure head 71 drive retainers 2 rotations with swing arm 6 and swing arm cylinder are moved.When swing arm 6 work, the pressure head 71 of swing arm cylinder at first compresses retainer 2, the three cylinders 9 and stretches out, and promotes the go ahead stroke of a rolling element pocket hole centre-to-centre spacing of swing arm 6, and the qualifying bit postpone swing arm 6 that arrives locating piece 8 stops.When the 3rd cylinder 9 was regained, swing arm 6 stopped during to another locating piece.By the accurate adjustment of two locating piece 8 positions, finish the reciprocating stroke of swing arm 6, to guarantee the dimensional accuracy of each adjacent rolling element pocket hole centre-to-centre spacing in the retainer 2.
4). the quadruplet retainer moves position-limit mechanism 11 and is used for controlling retainer 2 and does not exceed the scope that it answers controlling dimension precision and position degree requirement when mobile in rotation, it is trundle 117 that retainer moves the part that position-limit mechanism 11 contacts with retainer 2 end faces, to reduce the frictional force of retainer 2 when rotation is mobile, guarantee that retainer 2 rotates the unobstructed property when moving to next rolling element pocket hole site after laser cutting is finished a rolling element pocket hole; Its trundle 117 can directly adopt bearing.
Wherein, the cylinder of first cylinder 41, second cylinder 51 and four-cylinder 111 is realized control by 1 magnetic valve, finishes unified action, realizes compressing simultaneously, unclamping simultaneously.
Claims (6)
1. wind power bearing integral cage processing method, its step successively comprise blanking, slightly round as a ball, welding, smart round as a ball, integer; The step that also comprises processing pocket hole; It is characterized in that: what cutting formed to cold rolled sheet in the described blanking step is that the vertical bar shape does not have pocket orifice plate material; After the step in described processing pocket hole is positioned at smart round as a ball step, before the shaping step.
2. a wind power equipment bearing integral holder pocket hole processing device is characterized in that, comprising:
Supporting mechanism comprises many to the relatively-stationary roller in position; Every pair roller be arranged in parallel and axial and retainer axially parallel, is provided with the space that is used to place retainer between two rollers; Space between many pair rollers is positioned on the same circle, and the space of many pair rollers constitutes the track of placing retainer and moving for the retainer rotation;
Radial location mechanism comprises first cylinder that fixedly installs, the fixed block that also comprises the radially pressure head that is connected with the piston rod of first cylinder, is positioned at pressure head below radially and cooperates with pressure head radially;
Axial location mechanism comprises second cylinder, the wallboard that fixedly install, and the piston rod of described second cylinder is connected with axial pressure head after passing wallboard;
Drive retainer travel mechanism, comprise swing arm, an end of swing arm is hinged on and retainer center of circle corresponding point position, and the other end of swing arm sets firmly a swing arm cylinder, and the piston rod of swing arm cylinder connects one and cooperates to compress the pressure head of retainer with the end face of described swing arm; Also comprise the 3rd cylinder that is positioned at swing arm one side and is obliquely installed, the piston rod end of the 3rd cylinder and described swing arm are hinged;
The swing arm position-limit mechanism comprises two locating pieces that limit described swing arm stroke, lays respectively at the both sides of swing arm;
The hydraulic control system that also comprises described first cylinder of control, second cylinder, swing arm cylinder, the 3rd cylinder.
3. a kind of wind power equipment bearing integral holder pocket hole processing device according to claim 2, it is characterized in that: comprise that also retainer moves position-limit mechanism, this retainer moves position-limit mechanism and comprises the four-cylinder that fixedly installs, the piston rod of four-cylinder is nested with a swivel head after passing a frame plate that fixedly installs, between one end face of swivel head and the described frame plate holder is set, holder is nested with on piston rod and inner chamber is set, be provided with spring in the inner chamber of holder, one end of spring withstands on the end face of swivel head, and the other end withstands on the interior resonator end surface of holder; Connect a screw rod vertical with piston rod on the described swivel head, be set with trundle on the screw rod, the vertical range between the periphery of trundle and the described frame plate and the width of retainer adapt.
4. a kind of wind power equipment bearing integral holder pocket hole processing device according to claim 2 is characterized in that: described axial location mechanism also comprises template, and template is at described wallboard and axially be fixed together between the pressure head and with wallboard; The upper edge of template is the circular arc that adapts with the retainer medial surface.
5. a kind of wind power equipment bearing integral holder pocket hole processing device according to claim 2 is characterized in that: described radial location mechanism is provided with two covers, and symmetry is positioned at the both sides of laser cutting head.
6. a kind of wind power equipment bearing integral holder pocket hole processing device according to claim 5 is characterized in that: described axial location mechanism is provided with two covers, the corresponding respectively below that is arranged on two cover radial location mechanisms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193377 CN102267042B (en) | 2011-07-12 | 2011-07-12 | Pocket machining device and method for machining integral bearing retainer of wind power equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110193377 CN102267042B (en) | 2011-07-12 | 2011-07-12 | Pocket machining device and method for machining integral bearing retainer of wind power equipment |
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| CN102267042A true CN102267042A (en) | 2011-12-07 |
| CN102267042B CN102267042B (en) | 2013-04-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103056701A (en) * | 2012-12-12 | 2013-04-24 | 大连瑞谷科技有限公司 | Precision positioning device for machining roller limiting hole of square pocket hole holder |
| CN104723038A (en) * | 2015-03-23 | 2015-06-24 | 中航工业哈尔滨轴承有限公司 | Method for machining circular hole alloy steel cage with inner-and-outer double fore shafts |
| CN110977402A (en) * | 2019-12-25 | 2020-04-10 | 中国航发哈尔滨轴承有限公司 | Splitting and pressing device for retainer locking point claw and processing method adopting device |
| CN111531286A (en) * | 2020-04-18 | 2020-08-14 | 无锡易通精密机械股份有限公司 | Laser cutting machine with movable protective surface for retainer and cutting process |
| CN113020979A (en) * | 2021-03-09 | 2021-06-25 | 山东金帝精密机械科技股份有限公司 | Batch cutting equipment and method for wind power retainers and wind power retainers |
| CN113172433A (en) * | 2021-03-30 | 2021-07-27 | 山东金帝精密机械科技股份有限公司 | Cutting type production device and production method of large bearing retainer for wind power generation equipment |
| CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103056701A (en) * | 2012-12-12 | 2013-04-24 | 大连瑞谷科技有限公司 | Precision positioning device for machining roller limiting hole of square pocket hole holder |
| CN104723038A (en) * | 2015-03-23 | 2015-06-24 | 中航工业哈尔滨轴承有限公司 | Method for machining circular hole alloy steel cage with inner-and-outer double fore shafts |
| CN110977402A (en) * | 2019-12-25 | 2020-04-10 | 中国航发哈尔滨轴承有限公司 | Splitting and pressing device for retainer locking point claw and processing method adopting device |
| CN111531286A (en) * | 2020-04-18 | 2020-08-14 | 无锡易通精密机械股份有限公司 | Laser cutting machine with movable protective surface for retainer and cutting process |
| CN111531286B (en) * | 2020-04-18 | 2022-05-31 | 无锡易通精密机械股份有限公司 | Laser cutting machine with movable protective surface for retainer and cutting process |
| CN113020979A (en) * | 2021-03-09 | 2021-06-25 | 山东金帝精密机械科技股份有限公司 | Batch cutting equipment and method for wind power retainers and wind power retainers |
| CN113020979B (en) * | 2021-03-09 | 2022-05-13 | 山东金帝精密机械科技股份有限公司 | Batch cutting equipment and method for wind power retainers and wind power retainers |
| CN113172433A (en) * | 2021-03-30 | 2021-07-27 | 山东金帝精密机械科技股份有限公司 | Cutting type production device and production method of large bearing retainer for wind power generation equipment |
| CN114367792A (en) * | 2022-01-25 | 2022-04-19 | 中国铁建重工集团股份有限公司 | Machining method for main bearing retainer of super-huge type tunneling machine |
| CN114367792B (en) * | 2022-01-25 | 2023-08-08 | 中国铁建重工集团股份有限公司 | Machining method of main bearing retainer of oversized heading machine |
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