CN112191889A - Boring device for conical hole of rudder blade - Google Patents
Boring device for conical hole of rudder blade Download PDFInfo
- Publication number
- CN112191889A CN112191889A CN202011156232.8A CN202011156232A CN112191889A CN 112191889 A CN112191889 A CN 112191889A CN 202011156232 A CN202011156232 A CN 202011156232A CN 112191889 A CN112191889 A CN 112191889A
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- bar body
- boring bar
- boring
- transmission shaft
- taper hole
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- 230000005540 biological transmission Effects 0.000 claims abstract description 38
- 230000033001 locomotion Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims description 9
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 14
- 238000010586 diagram Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/28—Electric drives
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a boring device for a conical hole of a rudder blade, and relates to the field of machining devices for conical holes of rudder blades. The rudder blade taper hole boring device comprises a boring bar body, wherein the lower surface of the boring bar body is a horizontal plane, and the upper surface of the boring bar body is of an inclined plane structure; two ends of the boring bar body are respectively fixed with a transmission shaft, and the transmission shafts are arranged on the support frame through bearing blocks; the right transmission shaft of the boring bar body is connected with the first driving device, and the left transmission shaft of the boring bar body is connected with the adjusting block; the bolt penetrates through a kidney-shaped hole in the side face of the boring bar body and a mounting hole in the side face of the rail to fix the rail on the boring bar body; the track is provided with a tool rest, a turning tool is arranged on the tool rest, the lower end of the tool rest is provided with a lead screw, and the right end of the lead screw is connected with a second driving device. The automatic intermittent type cooperation of the axial movement and the radial rotation of the tool rest is realized, the working efficiency is high, the angle of the taper hole is adjusted by combining the inclined plane structure of the boring bar body, the large-range adjustment of the diameter of the taper hole is realized, the coaxial alignment problem of the transmission shaft and the taper hole is solved, the precision is high, and the cost is reduced.
Description
Technical Field
The invention relates to the field of rudder blade taper hole processing devices, in particular to a rudder blade taper hole boring device.
Background
The increase of the domestic ship demand is accompanied with the increase of the tonnage of the ship, the area of the rudder blade is increased, the diameter of the rudder stock is increased, and the processing of the connecting taper hole of the rudder stock and the rudder blade becomes an important link for manufacturing the rudder blade.
In the past, the machining of the conical hole of the rudder blade of the ship is finished by a numerical control machine tool, the application range is narrow, the machining environment is limited, the size and the weight of a workpiece to be machined are limited by the model of machining equipment, and the preparation work before machining is various. For machined parts with strict requirements on machining taper holes and coaxiality, traditional boring equipment is difficult to machine, manual machining is adopted mostly, and therefore the machining process is long in time consumption and high in machine tool machining cost.
Disclosure of Invention
In order to solve the technical problems, the invention provides a rudder blade taper hole boring device which is applied to machining of large, medium and small rudder blade taper holes of ships, and is wide in machining range, convenient and fast to operate, high in accuracy and low in cost.
In order to realize the technical purpose, the invention adopts the following scheme: the rudder blade taper hole boring device comprises a boring bar body, a support frame, a tool rest and a driving device; the lower surface of the boring bar body is a horizontal plane, and the upper surface of the boring bar body is of an inclined plane structure; two ends of the boring bar body are respectively fixed with a transmission shaft, and the transmission shafts are arranged on the support frame through bearing blocks; the driving device comprises a first driving device and a second driving device, a transmission shaft on the right side of the boring bar body is connected with the first driving device through a coupler, and a transmission shaft on the left side of the boring bar body is connected with the adjusting block; the upper part of the boring bar body is provided with a track, two side surfaces of the boring bar body are respectively provided with a kidney-shaped hole, two side surfaces of the track are respectively provided with a mounting hole, and a bolt penetrates through the kidney-shaped holes and the mounting holes to fix the track on the boring bar body; the upper surface of the track is provided with a sliding block, the sliding block is provided with a tool rest, a turning tool is installed on the tool rest, the lower end of the tool rest is provided with a lead screw, the right end of the lead screw is provided with an intermittent motion mechanism, and the intermittent motion mechanism is connected with a second driving device.
Compared with the prior art, the invention has the beneficial effects that: according to the device, the first driving device drives the coupler to further drive the boring bar body to rotate radially, and meanwhile, the second driving device drives the tool rest to move axially, so that automatic intermittent matching of axial movement and radial rotation of the tool rest is realized; the inclined plane structure of the boring bar body is combined, the position of the bolt in the waist-shaped hole is changed, so that the inclination angle of the track is adjusted, the angle of the taper hole is adjusted, the large-range adjustment and automatic tool feeding and retracting of the diameter of the taper hole are realized, the coaxial alignment problem is solved by the coupler, the processing range is wide, the operation is convenient and fast, the accuracy is high, and the cost is reduced.
The preferred scheme of the invention is as follows:
the lower surface of the boring rod body is provided with a plurality of bolt holes, the bolt holes are provided with alignment blocks, the lower surfaces of the alignment blocks are arc-shaped surfaces, the distance from the highest point of the arc-shaped surfaces of the alignment blocks to the inner wall of the hole to be machined is measured through an inside micrometer, and the center line of the hole to be machined is aligned to coincide with the axis of the bearing.
The adjusting block is of a hollow pipe body structure, an adjusting stud is installed at the left end of the adjusting block, the right end of the adjusting block is connected with the transmission shaft through a connecting piece, and the central axis of the transmission shaft is fixed by the adjusting block.
The left end of the connecting piece is of an inserted link structure, and the inserted link is in threaded connection with the adjusting block and is fixed by a nut; the right end of the connecting piece is a connecting disc which is fixedly connected with the transmission shaft through a bolt.
The shaft neck of the transmission shaft on the left side of the boring bar body is sleeved with a sleeve jackscrew, the sleeve jackscrew adjusts the axis position of the transmission shaft, and the central axis of the transmission shaft is ensured to coincide with the central axis of a hole to be machined on a workpiece.
The turning tool is adjustably arranged on the tool rest, so that the diameter size of the taper hole can be conveniently adjusted.
The lower end of the tool rest is provided with a screw nut which is sleeved on a screw rod, and the screw rod is arranged in the middle of the track; the tool rest moves along the axis under the driving of the screw rod.
The intermittent motion mechanism is of an incomplete gear structure, a full gear is sleeved at the right end of the screw rod and is meshed with the incomplete gear, and the incomplete gear is connected with the second driving device, so that the intermittent motion of the tool rest in the radial direction and the axial direction alternately is realized.
The first driving device is a variable frequency motor, and the coupler is a universal joint coupler; the universal joint coupler solves the coaxial alignment problem, and drives the variable frequency motor to adjust the rotating speed of the boring bar body in the machining process at any time.
Drawings
Fig. 1 is a schematic front view structure diagram of a rudder blade taper hole boring device provided by an embodiment of the invention;
fig. 2 is a schematic perspective view of a boring bar body, a tool holder and an adjusting block according to an embodiment of the invention;
FIG. 3 is a schematic front view of a adjusting block according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a jackscrew of a casing according to an embodiment of the present invention;
fig. 5 is a schematic perspective view of a boring bar body according to an embodiment of the present invention;
fig. 6 is a schematic perspective view of a track according to an embodiment of the present invention;
labeled as: the boring bar comprises a boring bar body 1, a track 11, a kidney-shaped hole 12, a sliding block 13, a lead screw 14, an all-gear 15, an alignment block 16, a support frame 2, a tool rest 3, an adjustment block 4, an adjustment stud 41, a coupling 5 and a first driving device 6.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
Referring to fig. 1 to 3, the rudder blade taper hole boring device provided by the present invention comprises a boring bar body 1, a support frame 2, a tool rest 3, and a driving device; the lower surface of the boring bar body 1 is a horizontal plane, and the upper surface of the boring bar body 1 is an inclined plane structure with the right end higher than the left end; two ends of the boring bar body 1 are respectively provided with a transmission shaft which is fixedly connected, and the transmission shaft is arranged on the support frame 2 through a bearing and a bearing seat; the driving device consists of a first driving device 6 and a second driving device, a bolt hole is formed in the end face of a transmission shaft on the left side of the boring bar body 1, and the transmission shaft on the left side is connected with the adjusting block 4 through a connecting piece. The connecting piece comprises inserted bar and connection pad, and the connecting piece left side is the inserted bar structure, and the connecting piece right side is the connection pad, is equipped with the through-hole with the epaxial bolt hole matching of transmission on the connection pad, fixes connecting piece and transmission shaft through the bolt. The inserted rod is inserted in the adjusting block 4 and is locked and fixed by a nut. The adjusting block 4 is of a hollow pipe body structure, threads are arranged on the inner wall of the pipe body, the right end of the adjusting block 4 is of a two-section reducing structure, an adjusting stud 41 connected with the threads in an internal mode is arranged at the left end of the adjusting block 4, and the adjusting stud 41 is locked and fixed through nuts.
The transmission shaft on the right side of the boring bar body 1 is connected with a first driving device 6 through a coupler 5, the first driving device 6 is a variable frequency motor, and the coupler 5 is a universal joint coupler. The universal joint coupler solves the coaxial alignment problem of the hole to be machined and the transmission shaft, and drives the variable frequency motor to adjust the rotating speed of the boring bar body 1 in the machining process at any time.
Referring to fig. 4, a bushing jackscrew is sleeved on a journal of a transmission shaft on the left side of the boring bar body 1, the bushing jackscrew is located on the right side of the bearing seat, and the position of the central axis of the transmission shaft is adjusted through the bushing jackscrew.
Referring to fig. 5 and 6, a rail 11 is arranged at the upper part of the boring bar body 1, a row of kidney-shaped holes 12 are respectively arranged at two sides of the boring bar body 1, a row of mounting holes are respectively arranged at two sides of the rail, and bolts pass through the kidney-shaped holes 12 and the mounting holes to fixedly connect the boring bar body 1 and the rail 11. The position of the bolt in the kidney-shaped hole 12 is changed, so that the inclination angle of the track 11 is adjusted, and the change of the angle of the taper hole is realized. The sliding fit sliding block 13 is installed on the tracks 11, the tool rest 3 is fixed on the upper surface of the sliding block 13, the adjustable turning tool is installed on the tool rest 3, a nut is fixed at the lower end of the tool rest, the nut is sleeved on a lead screw 14, the lead screw 14 is installed between the two tracks 11, an intermittent motion mechanism is arranged at the right end of the lead screw 14, and the intermittent motion mechanism is connected with a second driving device.
The intermittent motion mechanism is an incomplete gear structure, the right end of the screw rod 14 is sleeved with the full gear 15, the full gear 15 is meshed with the incomplete gear, the incomplete gear is connected with the second driving device, intermittent motion of the tool rest 3 is achieved, the tool rest 3 rotates radially for a circle and then moves axially for a certain distance, and then continues to rotate radially, and automatic axial motion and intermittent matching of radial rotation of the tool rest 3 are achieved.
A plurality of bolt holes which are arranged in parallel are formed in the lower surface of the boring bar body 1, the aligning blocks 16 are installed at the bolt holes through bolts, the upper surface of each aligning block 16 is a horizontal plane, and the lower surface of each aligning block is an arc-shaped surface. And measuring the distance from the lowest point position of the lower surface of the alignment block 16 to the wall of the hole to be processed of the workpiece. The boring bar body 1 is rotated to measure the distance from the alignment block 16 to the hole wall in the up-down, left-right and four directions respectively, and the central axis position of the transmission shaft is adjusted through the jackscrew of the sleeve, so that the central axis of the hole to be machined in the rotating process is ensured to be coincident with the central axis of the transmission shaft.
The working process of the device is as follows: the diameter and the angle of a taper hole are processed according to the requirement, the inclination angle of the track 11 is adjusted, and the boring bar body 1 of the device is well assembled and penetrates through a hole to be processed on the rudder blade. The left transmission shaft and the right transmission shaft are respectively fixed on the support frame 2, and the central axis of the hole to be processed is aligned by the alignment block 16 to coincide with the central axis of the transmission shaft. The center of the drive shaft is now fixed by the adjusting block 4 and the adjusting stud 41. The position of lathe tool on the adjustment knife rest 3, start first drive arrangement 6 and drive boring bar body 1 and rotate, start second drive arrangement intermittent type and drive knife rest 3 and remove along the axis, intermittent type gap time is the time of 3 radial rotations a week of knife rest, guarantees that 3 radial rotations a week of knife rest after, and 3 edge axial displacement certain distance of knife rest, later produces radial rotation again to this realizes the automatic axial displacement of knife rest 3 and radial pivoted intermittent type cooperation.
According to the device, the first driving device 6 drives the coupler to further drive the boring bar body 1 to rotate radially, and meanwhile, the second driving device drives the tool rest 3 to move axially, so that automatic intermittent matching of axial movement and radial rotation of the tool rest 3 is realized; the inclined plane structure of the boring bar body 1 is combined, the position of a bolt in the waist-shaped hole 12 is changed, so that the inclination angle of the track 11 is adjusted, the angle of the taper hole is adjusted, large-range adjustment and automatic tool feeding and retracting of the diameter of the taper hole are achieved, the coaxial alignment problem is solved through the coupler, the machining range is wide, operation is convenient and fast, accuracy is high, and cost is reduced.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (9)
1. A rudder blade taper hole boring device comprises a boring bar body, a support frame, a tool rest and a driving device; the boring bar is characterized in that the lower surface of the boring bar body is a horizontal plane, and the upper surface of the boring bar body is of an inclined plane structure; two ends of the boring bar body are respectively fixed with a transmission shaft, and the transmission shafts are arranged on the support frame through bearing blocks; the driving device comprises a first driving device and a second driving device, a transmission shaft on the right side of the boring bar body is connected with the first driving device through a coupler, and a transmission shaft on the left side of the boring bar body is connected with the adjusting block; the upper part of the boring bar body is provided with a track, two side surfaces of the boring bar body are respectively provided with a kidney-shaped hole, two side surfaces of the track are respectively provided with a mounting hole, and a bolt penetrates through the kidney-shaped holes and the mounting holes to fix the track on the boring bar body; the upper surface of the track is provided with a sliding block, the sliding block is provided with a tool rest, a turning tool is installed on the tool rest, the lower end of the tool rest is provided with a lead screw, the right end of the lead screw is provided with an intermittent motion mechanism, and the intermittent motion mechanism is connected with a second driving device.
2. The rudder blade taper hole boring device according to claim 1, wherein a plurality of bolt holes are formed in the lower surface of the boring bar body, the aligning blocks are mounted at the bolt holes, the lower surfaces of the aligning blocks are arc-shaped surfaces, the distance from the lowest point of the arc-shaped surfaces of the aligning blocks to the inner wall of the hole to be machined is measured through an inside micrometer, and the center line of the hole to be machined is aligned to be coincident with the axis of the bearing.
3. The rudder blade taper hole boring device according to claim 1, wherein the adjusting block is of a hollow pipe structure, an adjusting stud is installed at the left end of the adjusting block, and the right end of the adjusting block is connected with the transmission shaft through a connecting piece.
4. The rudder blade taper hole boring device according to claim 3, wherein the left end of the connecting piece is of a bayonet structure, and the bayonet is in threaded connection with the adjusting block and is fixed by a nut; the right end of the connecting piece is a connecting disc which is fixedly connected with the transmission shaft through a bolt.
5. The rudder blade taper hole boring device as claimed in claim 1, wherein a bushing jackscrew is sleeved at a journal of a transmission shaft on the left side of the boring bar body, and the bushing jackscrew adjusts the position of the central axis of the transmission shaft.
6. The rudder blade taper hole boring device according to claim 1, wherein the turning tool is adjustably mounted on the tool rest.
7. The rudder blade taper hole boring device according to claim 1, wherein a nut is arranged at the lower end of the tool rest, the nut is sleeved on a lead screw, and the lead screw is arranged in the track.
8. The rudder blade taper hole boring device according to claim 1, wherein the intermittent motion mechanism is an incomplete gear structure, a full gear is sleeved at the right end of the lead screw, the full gear is meshed with the incomplete gear, and the incomplete gear is connected with the second driving device.
9. The rudder blade taper hole boring device as claimed in claim 1, wherein the first driving device is a variable frequency motor, and the coupling is a universal joint coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156232.8A CN112191889A (en) | 2020-10-26 | 2020-10-26 | Boring device for conical hole of rudder blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011156232.8A CN112191889A (en) | 2020-10-26 | 2020-10-26 | Boring device for conical hole of rudder blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112191889A true CN112191889A (en) | 2021-01-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011156232.8A Pending CN112191889A (en) | 2020-10-26 | 2020-10-26 | Boring device for conical hole of rudder blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112191889A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160841A (en) * | 2021-11-30 | 2022-03-11 | 福建省马尾造船股份有限公司 | On-site grinding tool for oversized taper hole and using method thereof |
| CN116037967A (en) * | 2022-12-28 | 2023-05-02 | 天水祁连山水泥有限公司 | Turning device and turning method for head wheel of steel wire rubber belt elevator |
| CN118404124A (en) * | 2024-07-01 | 2024-07-30 | 南通远洋船舶配套有限公司 | Rudder blade taper hole boring device |
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| CN109079198A (en) * | 2018-10-29 | 2018-12-25 | 中船动力有限公司 | Propeller cone hole machine device |
| CN213350919U (en) * | 2020-10-26 | 2021-06-04 | 辽宁顺达机械制造(集团)有限公司 | Boring device for conical hole of rudder blade |
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| CN1887488A (en) * | 2006-07-26 | 2007-01-03 | 渤海船舶重工有限责任公司 | Conic hole boring machine with adjustable taper |
| RU74090U1 (en) * | 2007-11-26 | 2008-06-20 | Открытое акционерное общество "Российские железные дороги" (ОАО "РЖД") | METAL CUTTING MACHINE FOR HOLES PROCESSING IN LARGE PRODUCTS |
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| CN104551092A (en) * | 2013-10-24 | 2015-04-29 | 宜昌江峡船用机械有限责任公司 | Boring device adopting common boring machine to machine large taper holes |
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| CN106271801A (en) * | 2016-08-31 | 2017-01-04 | 中航动力股份有限公司 | Aligning method that a kind of part is angular and fixture thereof |
| CN109079198A (en) * | 2018-10-29 | 2018-12-25 | 中船动力有限公司 | Propeller cone hole machine device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114160841A (en) * | 2021-11-30 | 2022-03-11 | 福建省马尾造船股份有限公司 | On-site grinding tool for oversized taper hole and using method thereof |
| CN116037967A (en) * | 2022-12-28 | 2023-05-02 | 天水祁连山水泥有限公司 | Turning device and turning method for head wheel of steel wire rubber belt elevator |
| CN118404124A (en) * | 2024-07-01 | 2024-07-30 | 南通远洋船舶配套有限公司 | Rudder blade taper hole boring device |
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