CN221018254U - Rolling type forming device for wave foil of air foil bearing - Google Patents
Rolling type forming device for wave foil of air foil bearing Download PDFInfo
- Publication number
- CN221018254U CN221018254U CN202323031825.3U CN202323031825U CN221018254U CN 221018254 U CN221018254 U CN 221018254U CN 202323031825 U CN202323031825 U CN 202323031825U CN 221018254 U CN221018254 U CN 221018254U
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- 238000005096 rolling process Methods 0.000 title claims abstract description 92
- 239000011888 foil Substances 0.000 title claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 22
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 3
- 230000002159 abnormal effect Effects 0.000 abstract description 2
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910000816 inconels 718 Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a rolling type forming device of an air foil bearing corrugated foil, which comprises a rack sliding mechanism and a gear lifting mechanism, wherein the rack sliding mechanism comprises a sliding rail, a rolling rack and a first driving assembly for driving the rolling rack to translate; the gear lifting mechanism is arranged above the sliding rail and comprises a rolling gear and a second driving assembly for driving the rolling gear to lift; the rolling gear and the rolling rack are matched to work, and a foil wave forming position is arranged between the rolling gear and the rolling rack. The utility model can realize the forming of the foil by means of the engagement and extrusion between the tooth shapes of the rolling gear and the rolling rack; the lifting of the rolling gear and the sliding of the rolling rack are realized through simple manual operation, so that the molding difficulty of the corrugated foil is reduced; if the operation is abnormal, the hand can be stopped immediately after leaving the hand, and the safety of the forming process is improved.
Description
Technical Field
The utility model relates to the technical field of gas lubrication, in particular to a roll-in forming device for an air foil bearing corrugated foil.
Background
The air foil bearing is a flexible surface self-acting sliding bearing using air as a lubricating medium, and is widely applicable to high-speed light-load rotary machinery. Of the many types of air foil bearings, the wave foil type bearing has been most studied and used, consisting essentially of a bearing housing, wave foil and top foil. When the foil bearing works, the dynamic pressure lubrication air film separates the journal and the foil, so that the journal is in a 'suspension' state, the friction loss can be obviously reduced, and the service life of the bearing can be prolonged. Because the air foil bearing does not need an additional oil supply and cooling device, the air foil bearing also has the advantages of oil free, small volume, low maintenance cost and the like.
The bump foil is a core component of an air foil bearing and can provide the necessary stiffness and damping to the bearing. The shaping of the foil is therefore of vital importance in the manufacture of air foil bearings. Currently, current air foil bearing corrugated foils are typically stamped. The forming mode is highly dependent on the use of a punch, has high manufacturing cost and low flexibility, and is not suitable for small-batch trial production in the research and development stage.
Disclosure of utility model
In order to solve the problems, the utility model provides the roll-in forming device for the wave foil of the air foil bearing, which is safe and convenient to operate, and can realize low-cost and rapid forming of the wave foil in the small-batch trial-manufacturing stage of the air foil bearing without a punch.
For this purpose, the technical scheme of the utility model is as follows: the rolling type forming device for the air foil bearing corrugated foil comprises a rack sliding mechanism and a gear lifting mechanism, wherein the rack sliding mechanism comprises a sliding rail, a rolling rack and a first driving assembly for driving the rolling rack to translate; the gear lifting mechanism is arranged above the sliding rail and comprises a rolling gear and a second driving assembly for driving the rolling gear to lift; the rolling gear and the rolling rack are matched to work, and a foil wave forming position is arranged between the rolling gear and the rolling rack.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the upper surface of roll-in rack is equipped with a plurality of evenly distributed's arc arch, is equipped with a plurality of evenly distributed's arc recess on the circumference of roll-in gear, and arc arch and arc recess cooperation work.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a sliding groove is arranged in the middle of the sliding rail, and the rolling rack is in sliding fit with the sliding groove; the first driving assembly comprises a nut supporting seat, a nut, a screw rod and a rocking wheel, wherein the nut is arranged in the nut supporting seat, and the screw rod penetrates through the nut and is in threaded fit with the nut supporting seat; one end of the screw rod is in running fit with the rolling rack, and the other end of the screw rod is fixedly connected with the rocking wheel.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: and the front end of the sliding groove is provided with a limiting pin for limiting the moving distance of the rolling rack.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the gear lifting mechanism further comprises a lifting gear rack, a guide post and a gear mounting frame; the lifting gear rack is arranged above the sliding rail through a guide post, and the gear mounting rack is movably sleeved on the guide post; the rolling gear is fixed on a rolling gear shaft, and two ends of the rolling gear shaft are rotatably arranged on the gear mounting frame.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the second driving assembly comprises a rotating hand wheel, a driving gear is arranged on a driving shaft of the rotating hand wheel, and the driving gear is meshed with driven gears on two sides; the driven gear shaft is fixed in the middle of the driven gear, a threaded structure is arranged below the driven gear shaft, a threaded hole is formed in the lifting gear rack, and the bottom end of the driven gear shaft penetrates through the threaded hole and is in butt joint with the gear mounting frame.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: a spring is arranged below the gear mounting frame, one end of the spring is propped against the gear mounting frame, and the other end of the spring is propped against the sliding rail; the spring is compressed, and the upper part of the gear mounting frame is always abutted against the driven gear shaft.
When in use, one end of the foil to be formed is fixed on the rolling rack through a screw, and the other end is free; then, the rotary hand wheel is rotated, the driving gears on the rotary hand wheel drive the driven gears on the two sides to rotate, the driven gears drive the driven gear shafts to rotate, the driven gear shafts are matched with threaded holes on the lifting gear rack, the gear mounting frame can be pressed down, the gear mounting frame moves down along the guide post, the spring is extruded, the rolling gears are attached to the upper surface of the foil, and the rolling gears are meshed with the rolling racks; and then, the shaking wheel is rotated to drive the screw to push the rolling rack to move along the chute, and in the moving process, the foil to be formed is meshed and extruded between the rolling gear and the tooth shape of the rolling rack.
After the corrugation on the foil is formed, the rotary hand wheel is reversely rotated, the driven gear shaft moves upwards, and the gear mounting frame moves upwards under the action of the spring, so that the rolling gear leaves the foil, and a user can conveniently take the foil. After the rolling is finished, the whole corrugated foil presents a certain bending, so that the corrugated foil is convenient to further curl.
Compared with the prior art, the utility model has the beneficial effects that:
1. The foil can be molded by means of engagement and extrusion between the rolling gear and the tooth form of the rolling rack; the whole device does not contain an electric part, has a simple structure, and the lifting of the rolling gear and the sliding of the rolling rack are realized through simple manual operation, so that the molding difficulty of the corrugated foil is reduced; if the operation is abnormal, the hand can be stopped immediately after leaving the hand, and the safety of the forming process is improved.
2. The method avoids the dependence of the traditional molding mode of the corrugated foil on the punch press, has the remarkable advantages of low cost, flexible operation and the like, and is particularly suitable for small-batch trial production in the development stage of the air foil bearing.
Drawings
The following is a further detailed description of embodiments of the utility model with reference to the drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a sliding rail according to the present utility model;
FIG. 3 is a schematic view of the structure of a rolling rack of the present utility model;
FIG. 4 is a schematic view of the gear lift mechanism of the present utility model (with the right gear mount removed);
FIG. 5 is a schematic view of the structure of a roll gear according to the present utility model;
Fig. 6 is a use state diagram of the present utility model.
Marked in the figure as: the bottom plate 1, the slide rail 2, the mounting hole 21, the slide groove 22, the limit pin 23, the rolling rack 3, the arc-shaped protrusion 31, the nut supporting seat 41, the nut 42, the screw 43, the rocking wheel 44, the lifting gear rack 51, the guide post 52, the gear mounting frame 53, the rolling gear shaft 54, the rotary hand wheel 55, the driving gear 56, the driven gear 57, the driven gear shaft 58, the spring 59, the rolling gear 6, the arc-shaped groove 61 and the foil 7.
Detailed Description
In the description of the present utility model, it should be noted that, for the azimuth words such as the terms "center", "transverse (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the azimuth and positional relationships are based on the azimuth or positional relationships shown in the drawings, only for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and should not be construed as limiting the specific protection scope of the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first", "a second" feature may explicitly or implicitly include one or more of such feature, and in the description of the present utility model, the meaning of "a number", "a number" is two or more, unless otherwise specifically defined.
See the drawings. The roll-in forming device of air foil bearing ripples foil, according to the embodiment, comprises a bottom plate 1, a rack sliding mechanism and a gear lifting mechanism, wherein the rack sliding mechanism is installed on the bottom plate 1, and the gear lifting mechanism is installed above the rack sliding mechanism.
The rack sliding mechanism comprises a sliding rail 2, a rolling rack 3 and a first driving assembly for driving the rolling rack to translate; mounting holes 21 are formed in two sides of the bottom of the sliding rail 2 and fixedly connected with the bottom plate 1 through bolts; a rectangular chute 22 horizontally arranged is arranged in the middle of the sliding rail 2, and a rolling rack 3 is arranged in the chute 22 and is in sliding fit with the two side surfaces and the bottom surface of the chute, and lubricating oil can be added between the attaching surfaces to reduce friction force; and the front end of the chute 22 is fixed with a limit pin 23, and the limit pin 23 can limit the moving distance of the rolling rack 3 so as to realize the accurate engagement between the rolling rack and the tooth form of the rolling gear.
The first driving assembly comprises a nut supporting seat 41, a nut 42, a screw 43 and a rocking wheel 44, wherein the nut supporting seat 41 is fixed on the bottom plate 1 and is opposite to the sliding rail 2; the nut supporting seat 41 is provided with a penetrating mounting hole, a cylindrical nut 42 is fixed in the mounting hole, and a screw 43 penetrates through the nut 42 and is in threaded fit with the nut 42; one end of the screw 43 is in running fit with the rolling rack 3, and the other end of the screw is fixedly connected with the rocking wheel 44. The rotating rocker wheel 44 can drive the screw 43 to rotate, and the screw 43 translates under the action of the screw thread in the rotating process, so that the rolling rack 3 is pushed to move in the chute 22; the screw 43 is in contact with the roll rack 3 and does not interfere with the rotation of the screw.
The gear lifting mechanism is arranged above the sliding rail and comprises a lifting gear rack 51, a guide pillar 52, a gear mounting frame 53, a rolling gear 6 and a second driving component for driving the rolling gear to lift; the two sides of the lifting gear rack 51 are arranged above the slide rail 2 through guide posts 52, and a gear mounting frame 53 is movably sleeved on the guide posts 52 and can move up and down along the guide posts 52; the rolling gear 6 is fixed on a rolling gear shaft 54, and two ends of the rolling gear shaft 54 are rotatably mounted on a gear mounting frame 53 through bearings.
The second driving assembly comprises a rotating hand wheel 55, a driving gear 56 is arranged on a driving shaft of the rotating hand wheel 55, and the driving gear 56 is meshed with driven gears 57 on two sides; the driven gear shaft 58 is fixed in the middle of the driven gear 57, a threaded structure is arranged below the driven gear shaft 58, a threaded hole is formed in the lifting gear rack 51, and the bottom end of the driven gear shaft 58 penetrates through the threaded hole and is abutted against the gear mounting frame 53.
Rotating the hand wheel 55 can drive the driving gear 56, the driving gear 56 drives the driven gear 57, the driven gear 57 drives the driven gear shaft 58, and the driven gear shaft 58 moves up and down through the threaded transmission with the lifting gear rack 51, so that the gear mounting frame 53 is pushed to move up or down along the guide post 52, lifting of the rolling gear 6 is achieved, and the foil 7 to be formed is conveniently placed and detached after being formed. During the rotation of the driven gear shaft, a certain small displacement occurs between the driven gear and the driving gear, which is very small compared with the meshing size between the gears, so that the influence on the meshing effect is negligible.
A spring 59 is arranged below the gear mounting frame 53, one end of the spring 59 is propped against the gear mounting frame 53, and the other end is propped against the sliding rail 2; the spring is in a compressed state, and the upper part of the gear mounting frame can be always abutted against the driven gear shaft. The compression spring has the function of supporting the gear mounting frame, and when the hand wheel is rotated reversely, the gear mounting frame and the rolling gear can do rising motion under the action of elastic force of the gear mounting frame and the rolling gear, so that the rolling gear is reset.
The rolling gear 6 and the rolling rack 3 are matched to work, and a foil wave forming position is arranged between the rolling gear and the rolling rack. The upper surface of roll-in rack 3 is equipped with 21 evenly distributed's arc protruding 31, is equipped with 21 evenly distributed's arc recess 61 on the circumference of roll-in gear 6, and arc protruding 31 and arc recess 61 cooperation work can roll-in foil.
When in use, the method comprises the following steps:
1) One end of the foil 7 to be formed is fixed on the rolling rack 3 through a screw, and the other end is free; the thickness of the foil to be formed is 0.1mm, the length is 98mm, the width is 28mm, and the material is Inconel 718 after solution treatment;
2) The rotary hand wheel 55 is rotated, the driving gears 56 on the rotary hand wheel drive the driven gears 57 on two sides to rotate, the driven gears drive the driven gear shafts 58 to rotate, the driven gear shafts 58 are matched with threaded holes on the lifting gear rack 51, the gear mounting frame 53 can be pressed down, the gear mounting frame 53 moves down along the guide post, the springs 59 are extruded, the rolling gears 6 are attached to the upper surfaces of the foils 7, and the rolling gears 6 are meshed with the rolling racks 3;
3) Rotating the shaking wheel 44 to drive the screw 43 to push the rolling rack 3 to move along the chute 22, wherein the foil 7 to be formed is meshed and extruded between the rolling gear 6 and the tooth shape of the rolling rack 3 in the moving process;
4) After the corrugation on the foil 7 is formed, the rotary hand wheel 55 is reversely rotated, the driven gear shaft 58 moves upwards, and the gear mounting frame 53 moves upwards under the action of the spring 59, so that the rolling gear 6 leaves the foil 7, and a user can conveniently take the foil. After the rolling is finished, the whole corrugated foil presents a certain bending, so that the corrugated foil is convenient to further curl.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides a roll-in forming device of air foil bearing ripples foil which characterized in that: the rolling rack comprises a rack sliding mechanism and a gear lifting mechanism, wherein the rack sliding mechanism comprises a sliding rail, a rolling rack and a first driving assembly for driving the rolling rack to translate; the gear lifting mechanism is arranged above the sliding rail and comprises a rolling gear and a second driving assembly for driving the rolling gear to lift; the rolling gear and the rolling rack are matched to work, and a foil wave forming position is arranged between the rolling gear and the rolling rack.
2. A roll forming device for air foil bearing corrugated foil as claimed in claim 1, wherein: the upper surface of roll-in rack is equipped with a plurality of evenly distributed's arc arch, is equipped with a plurality of evenly distributed's arc recess on the circumference of roll-in gear, and arc arch and arc recess cooperation work.
3. A roll forming device for air foil bearing corrugated foil as claimed in claim 1, wherein: a sliding groove is arranged in the middle of the sliding rail, and the rolling rack is in sliding fit with the sliding groove; the first driving assembly comprises a nut supporting seat, a nut, a screw rod and a rocking wheel, wherein the nut is arranged in the nut supporting seat, and the screw rod penetrates through the nut and is in threaded fit with the nut supporting seat; one end of the screw rod is in running fit with the rolling rack, and the other end of the screw rod is fixedly connected with the rocking wheel.
4. A roll forming device for air foil bearing corrugated foil as claimed in claim 3, wherein: and the front end of the sliding groove is provided with a limiting pin for limiting the moving distance of the rolling rack.
5. A roll forming device for air foil bearing corrugated foil as claimed in claim 1, wherein: the gear lifting mechanism further comprises a lifting gear rack, a guide post and a gear mounting frame; the lifting gear rack is arranged above the sliding rail through a guide post, and the gear mounting rack is movably sleeved on the guide post; the rolling gear is fixed on a rolling gear shaft, and two ends of the rolling gear shaft are rotatably arranged on the gear mounting frame.
6. A roll forming device for air foil bearing corrugated foil as claimed in claim 5, wherein: the second driving assembly comprises a rotating hand wheel, a driving gear is arranged on a driving shaft of the rotating hand wheel, and the driving gear is meshed with driven gears on two sides; the driven gear shaft is fixed in the middle of the driven gear, a threaded structure is arranged below the driven gear shaft, a threaded hole is formed in the lifting gear rack, and the bottom end of the driven gear shaft penetrates through the threaded hole and is in butt joint with the gear mounting frame.
7. A roll forming device for air foil bearing corrugated foil as claimed in claim 5, wherein: a spring is arranged below the gear mounting frame, one end of the spring is propped against the gear mounting frame, and the other end of the spring is propped against the sliding rail; the spring is compressed, and the upper part of the gear mounting frame is always abutted against the driven gear shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323031825.3U CN221018254U (en) | 2023-11-09 | 2023-11-09 | Rolling type forming device for wave foil of air foil bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323031825.3U CN221018254U (en) | 2023-11-09 | 2023-11-09 | Rolling type forming device for wave foil of air foil bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221018254U true CN221018254U (en) | 2024-05-28 |
Family
ID=91182265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323031825.3U Active CN221018254U (en) | 2023-11-09 | 2023-11-09 | Rolling type forming device for wave foil of air foil bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221018254U (en) |
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2023
- 2023-11-09 CN CN202323031825.3U patent/CN221018254U/en active Active
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