CN115415915A - Lathe-based large-size thrust surface polishing device and method - Google Patents
Lathe-based large-size thrust surface polishing device and method Download PDFInfo
- Publication number
- CN115415915A CN115415915A CN202211039574.0A CN202211039574A CN115415915A CN 115415915 A CN115415915 A CN 115415915A CN 202211039574 A CN202211039574 A CN 202211039574A CN 115415915 A CN115415915 A CN 115415915A
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- China
- Prior art keywords
- polishing
- lathe
- thrust surface
- thrust
- size
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- 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
Links
- 238000005498 polishing Methods 0.000 title claims abstract description 94
- 238000000034 method Methods 0.000 title claims description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 14
- 239000007788 liquid Substances 0.000 claims description 8
- 239000007921 spray Substances 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 230000003746 surface roughness Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000007517 polishing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 210000002268 wool Anatomy 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B29/00—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents
- B24B29/02—Machines or devices for polishing surfaces on work by means of tools made of soft or flexible material with or without the application of solid or liquid polishing agents designed for particular workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B57/00—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents
- B24B57/02—Devices for feeding, applying, grading or recovering grinding, polishing or lapping agents for feeding of fluid, sprayed, pulverised, or liquefied grinding, polishing or lapping agents
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention provides a polishing device for a large-size thrust surface based on a lathe, which relates to the field of machining and comprises: a polishing disk mounted with a polishing sheet configured to perform polishing work on a large-size thrust surface; the transmission shaft is connected with the polishing disc; the driving device is used for driving the transmission shaft to rotate.
Description
Technical Field
The invention relates to the field of machining, in particular to a polishing device and method for a large-size thrust surface based on a lathe.
Background
The thrust shaft is an important component of a ship power system, is mostly a revolving body, and generally consists of a thrust disc in the middle, connecting flanges at two ends and a connecting shaft section. The two end flanges are respectively connected with the propeller blades and the driving motor, and the middle thrust disc acts on the ship body through the thrust block. At present, the diameter of a thrust disc of a large ship can reach more than phi 2000 mm. Two side surfaces of the thrust disc are called thrust surfaces, and when the propeller on the driving side rotates, the thrust shaft receives axial thrust transmitted by the propeller, and directly transmits the thrust to the thrust block through the thrust surfaces, so that the ship body is indirectly pushed. In view of the particularity of the function of the thrust shaft, the surface roughness of the thrust surface is required to be very high, and is usually not lower than Ra0.4 μm. In general, the surface roughness achieved by finish turning with a large lathe is about Ra1.6 μm, and then the surface roughness of the part is generally improved by means of grinding, rolling, manual grinding and polishing and the like. However, the above existing approaches have certain limitations due to the structural characteristics of the components and the limitations of the equipment. For example, when a grinding machine is used for grinding, a grinding wheel is in large-area contact with a workpiece, the workpiece is easy to burn, and at present, a large-scale surface grinding machine suitable for the structure and the size of a thrust shaft does not exist in China, so that the existing grinding machine is generally required to be transformed in a large scale, and the cost is high; the rolling method is used, so that the improvement effect of the surface roughness is limited; the manual grinding and polishing method is excessively dependent on the bench work level and has extremely low efficiency, so that the method is not suitable for large workpieces.
Disclosure of Invention
The invention aims to provide a polishing device and a polishing method for a large-size thrust surface based on a lathe, which aim to solve the problems.
In a first aspect, an embodiment of the present invention provides a polishing apparatus for a large-size thrust surface based on a lathe, including:
a polishing disk mounted with a polishing sheet configured to perform polishing work on the large-size thrust surface;
the transmission shaft is connected with the polishing disc;
and the driving device is used for driving the transmission shaft to rotate.
In some embodiments, a polishing solution spraying device is further included.
In some embodiments, the polishing pad has a spray aperture in communication with the slurry spray device.
In some embodiments, a bearing seat is further included for the drive shaft to pass through to position the drive shaft.
In some embodiments, the drive shaft is keyed at both ends.
In some embodiments, a support base for supporting the bearing housing is also included.
In some embodiments, the drive device comprises a motor.
In some embodiments, the polishing device based on the large-size thrust surface of the lathe is integrally mounted on a lathe tool rest.
In some embodiments, the position of the polishing disk is adjustable.
In a second aspect, an embodiment of the present invention provides a method for polishing a large-size thrust surface based on a lathe, including the following steps:
clamping a thrust shaft and aligning a thrust surface;
mounting polishing equipment;
adding polishing solution;
and carrying out a polishing step on the thrust surface.
The large-size thrust surface polishing method based on the lathe has the following characteristics:
the preparation time is short, and the work piece need not to be transported and clamping again after the finish turning, realizes seamless butt joint between the process. The preparation time of the polishing process is saved.
The polishing efficiency is high, the polishing operation is matched by the circumferential rotation of the workpiece on the lathe and the radial feeding of the tool rest, only 20-30 minutes is needed for one-time polishing, only 2-3 times of polishing operation is needed for one thrust surface, and the surface roughness can meet the requirement.
The polishing effect is good, the surface roughness can reach about Ra0.3 after 2-3 times of polishing of the finish turning surface, the polishing times are increased to 4-5 times, and the surface roughness can approach to Ra0.2. (Ra0.2 almost reaches the upper limit of polishing effect due to the surface hardness limit of the thrust surface).
The polishing cost is low, the working hour unit price of the lathe is relatively low, and the cost of all the wool felt wheels and the polishing paste is also low. The method has less modification content to the original equipment and lower modification cost. In addition, the processing cost is indirectly reduced due to the characteristics of high efficiency, short preparation time and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.
Fig. 1 is a reference diagram illustrating a polishing operation performed by a polishing apparatus for a large-sized thrust surface of a lathe according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a large-sized thrust surface polishing device based on a lathe in fig. 1.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are absolutely horizontal or hanging, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 and fig. 2 in combination, the main components of the polishing apparatus 5 provided in this embodiment include: the polishing device comprises a supporting base 51, a bearing seat 52, a transmission shaft 53, a polishing disc 54, a motor 55, a polishing liquid spraying head 56, a bearing end cover 57, an adjusting bolt 58, a polishing sheet 59, a hydraulic pump 60, an oil storage tank 61 and the like.
In fig. 1, the reference numerals are illustrated: 1-lathe bed; 2-lathe chuck; 3-a lathe guide rail; 4-lathe tool rest; 5-a polishing device; 6-thrust axis.
In this embodiment, the supporting base 51 supports the bearing housing 52, the transmission shaft 53 passes through the bearing housing 52 and is sleeved with a bearing in the bearing housing 52, one end of the transmission shaft 53 is connected to the motor 55, the motor 55 is used for driving the transmission shaft 53 to rotate in the bearing housing 52, one end of the transmission shaft 53 extending out of the bearing housing 52 is connected to the polishing disk 54, and the polishing disk 54 is provided with the polishing sheet 56. The polishing disc 54 is provided with a polishing liquid spray head 56, the spray head 56 is communicated with a hydraulic pump 60 through a copper pipe and a liquid conveying hole on a transmission shaft and a bearing seat, the hydraulic pump 60 is communicated with an oil storage tank 61, and the polishing liquid in the oil storage tank 61 is conveyed to the spray head 56 and sprayed on the polishing surface of the thrust shaft.
The polishing apparatus 5 of the present embodiment is mounted on a lathe carriage, and after the position adjustment is completed, the polishing disk 54 faces the thrust surface of the thrust shaft. The polishing liquid in the oil tank 61 is sprayed on the polishing surface of the thrust shaft through the hydraulic pump 60 and the spray head 56, and the polishing disc 54 drives the polishing sheet to rotate and polish. Meanwhile, the lathe drives the thrust shaft to rotate, and the tool rest drives the polishing equipment 5 to perform feed motion, so that the whole polishing process is completed.
The method for implementing the polishing process of the present embodiment includes the steps of:
s1, clamping a thrust shaft and aligning a thrust surface.
Particularly, because the two ends of the thrust shaft are mostly flange structures, the thrust shaft is not easy to directly clamp. Can make special clamping frock, use bolted connection and tang location between clamping frock and the thrust shaft flange. And a dial indicator is used for aligning the thrust surface, so that the parallelism of the thrust surface and the feeding direction of the tool rest is ensured. If the finish turning and the polishing are performed on the same lathe and the finish turning is directly performed to the polishing, this step can be omitted.
S2, mounting polishing equipment 5.
Specifically, the polishing apparatus 5 is mounted on a tool rest base, and the position is adjusted using the adjustment bolt 58 so that the polishing disk 54 is parallel to the tool rest.
And S3, adding polishing solution.
Specifically, the polishing paste is dissolved in the polishing oil, and added to the oil tank 61.
And S4, polishing.
Specifically, the motor 55 and the hydraulic pump 60 of the polishing apparatus 5 are started to adjust the position of the polishing pad by moving the tool post, and the thrust surface is polished. Meanwhile, the radial feed speed of the tool rest and the rotation speed of the thrust shaft are adjusted according to the polishing effect.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (11)
1. A large-size thrust surface polishing device based on a lathe is characterized by comprising:
a polishing disk mounted with a polishing sheet configured to perform polishing work on the large-size thrust surface;
the transmission shaft is connected with the polishing disc; and
and the driving device is used for driving the transmission shaft to rotate.
2. The lathe-based large-sized thrust surface polishing apparatus as claimed in claim 1, further comprising a polishing liquid spraying function.
3. The lathe-based large-size thrust surface polishing device according to claim 2, wherein a polishing liquid spray head is provided on the polishing disk.
4. The polishing device for the large-size thrust surface of the lathe according to claim 3, wherein the sprinkler head is communicated with an external hydraulic pump through a liquid conveying hole preset in the copper pipe, the transmission shaft and the bearing seat, and the hydraulic pump is communicated with an oil storage tank.
5. The lathe-based large-sized thrust surface polishing apparatus as claimed in claim 1, further comprising a bearing housing for the drive shaft to pass through to position the drive shaft.
6. The lathe-based large-size thrust surface polishing device as claimed in claim 1, wherein the transmission shaft is provided with key connection structures at both ends.
7. The lathe-based large-dimension thrust surface polishing apparatus as recited in claim 4, further comprising a support base for supporting the bearing housing.
8. The lathe-based large-dimension thrust surface polishing apparatus as recited in claim 1, wherein the driving means includes a motor.
9. The lathe-based large-sized thrust surface polishing device as recited in claim 1, wherein the lathe-based large-sized thrust surface polishing device is integrally mounted on a lathe carriage.
10. The lathe-based large-sized thrust surface polishing apparatus as claimed in claim 1, wherein the position of the polishing pad is adjustable by a positioning bolt.
11. A polishing method of a large-size thrust surface based on a lathe is characterized by comprising the following steps:
clamping a thrust shaft and aligning a thrust surface;
mounting polishing equipment;
adding polishing solution;
and carrying out a polishing step on the thrust surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039574.0A CN115415915A (en) | 2022-08-29 | 2022-08-29 | Lathe-based large-size thrust surface polishing device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211039574.0A CN115415915A (en) | 2022-08-29 | 2022-08-29 | Lathe-based large-size thrust surface polishing device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115415915A true CN115415915A (en) | 2022-12-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211039574.0A Pending CN115415915A (en) | 2022-08-29 | 2022-08-29 | Lathe-based large-size thrust surface polishing device and method |
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| Country | Link |
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| CN (1) | CN115415915A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201405257Y (en) * | 2009-05-12 | 2010-02-17 | 常州金安轧辊制造有限公司 | Surface polishing device of columnar workpiece |
| CN201586919U (en) * | 2009-12-16 | 2010-09-22 | 鞍钢重型机械有限责任公司 | Device for polishing excircle surfaces of shafts and rollers |
| CN204075972U (en) * | 2014-07-30 | 2015-01-07 | 山东德立信液压有限公司 | Lathe polishing device |
| CN204413828U (en) * | 2015-01-06 | 2015-06-24 | 阜新力劲北方机械有限公司 | Excircle polishing device |
| CN206066190U (en) * | 2016-09-26 | 2017-04-05 | 泉州市科恩智能装备技术研究院有限公司 | A kind of minute surface lathe of easy access |
| CN110900356A (en) * | 2019-11-08 | 2020-03-24 | 中国工程物理研究院激光聚变研究中心 | Online detection device and method for surface friction characteristic of polishing disc in full-aperture polishing |
| CN215201337U (en) * | 2020-12-25 | 2021-12-17 | 盐城维旺科技有限公司 | Automatic plate end face machining equipment |
-
2022
- 2022-08-29 CN CN202211039574.0A patent/CN115415915A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201405257Y (en) * | 2009-05-12 | 2010-02-17 | 常州金安轧辊制造有限公司 | Surface polishing device of columnar workpiece |
| CN201586919U (en) * | 2009-12-16 | 2010-09-22 | 鞍钢重型机械有限责任公司 | Device for polishing excircle surfaces of shafts and rollers |
| CN204075972U (en) * | 2014-07-30 | 2015-01-07 | 山东德立信液压有限公司 | Lathe polishing device |
| CN204413828U (en) * | 2015-01-06 | 2015-06-24 | 阜新力劲北方机械有限公司 | Excircle polishing device |
| CN206066190U (en) * | 2016-09-26 | 2017-04-05 | 泉州市科恩智能装备技术研究院有限公司 | A kind of minute surface lathe of easy access |
| CN110900356A (en) * | 2019-11-08 | 2020-03-24 | 中国工程物理研究院激光聚变研究中心 | Online detection device and method for surface friction characteristic of polishing disc in full-aperture polishing |
| CN215201337U (en) * | 2020-12-25 | 2021-12-17 | 盐城维旺科技有限公司 | Automatic plate end face machining equipment |
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