CN112453526B - Longitudinal oil groove slot milling machine for rudder blade taper hole - Google Patents
Longitudinal oil groove slot milling machine for rudder blade taper hole Download PDFInfo
- Publication number
- CN112453526B CN112453526B CN202011125882.6A CN202011125882A CN112453526B CN 112453526 B CN112453526 B CN 112453526B CN 202011125882 A CN202011125882 A CN 202011125882A CN 112453526 B CN112453526 B CN 112453526B
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- China
- Prior art keywords
- track
- taper hole
- rudder blade
- slide block
- milling machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C3/00—Milling particular work; Special milling operations; Machines therefor
- B23C3/28—Grooving workpieces
- B23C3/30—Milling straight grooves, e.g. keyways
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C9/00—Details or accessories so far as specially adapted to milling machines or cutter
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
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- 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
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- 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)
- Earth Drilling (AREA)
Abstract
The invention discloses a longitudinal oil groove slot milling machine for a rudder blade taper hole, which comprises a track for axial feed of a milling cutter of the slot milling machine, wherein a slide block is arranged in the track in a sliding manner, the slide block is connected with the milling cutter and slides in the track after being transmitted by a screw rod, the track is in a channel steel shape, end plates are fixedly arranged at two ends in the length direction of the track, the length direction of the track is the same as the axial direction of the rudder blade taper hole, the screw rod is rotatably arranged on the end plates at the two ends, and one end of the screw rod, which exceeds the end plates, is fixedly connected with a feed hand wheel; and a support rod for positioning the track in the taper hole of the rudder blade is fixedly arranged on the outer surface of the track. The invention can be suitable for milling the longitudinal oil grooves in the taper holes of the rudder blades of different ship types; the radial feed can be realized, and the depth of the oil groove is controlled; semi-automatic axial feed can be realized; the compressed air is adopted for driving, the control switch is moved out of the taper hole, observation is enhanced in the operation process, and potential safety hazards are avoided; simple structure and convenient operation. Simple operation, light weight and the whole weight of not more than 30 KG.
Description
Technical Field
The invention relates to a longitudinal oil groove slot milling machine for a rudder blade taper hole.
Background
The applicant establishes that a ship rudder blade, a rudder stock and a rudder pintle all adopt a hydraulic keyless connection mode, four to five annular oil grooves are communicated in a rudder blade conical hole through one to two longitudinal oil grooves, and a hydraulic space is formed by the rudder blade, the rudder stock and the rudder pintle. The annular oil groove can be directly bored when the taper hole is bored, but the longitudinal oil groove cannot be machined and must be manually ground by an air mill used by a fitter. The sizes such as the oil groove depth, the width, the R angle and the like of manual grinding cannot be guaranteed, the manual grinding machine is difficult to deal with sometimes, the space is narrow and small during grinding, and the vertical cutting of the grinding wheel piece can cause personnel injury accidents in case of breakage. Through understanding that peripheral rudder blade processing enterprises and brother ship enterprises basically adopt a manual grinding mode to process longitudinal oil grooves of rudder blades.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a longitudinal oil groove milling machine for rudder blade taper holes, which is suitable for milling longitudinal oil grooves in rudder blade taper holes of different ship types; the radial feed can be realized, and the depth of the oil groove is controlled; semi-automatic axial feed can be realized; the compressed air is adopted for driving, the control switch is moved outwards to the outside of the taper hole, observation is enhanced in the operation process, and potential safety hazards are avoided; simple structure and convenient operation. Simple operation, light weight and the whole weight of not more than 30 KG.
In order to achieve the purpose, the technical scheme of the invention is to design a longitudinal oil groove milling machine for a rudder blade taper hole, which comprises a track for axial feed of a milling cutter of the groove milling machine, wherein a sliding block is arranged in the track in a sliding manner, the sliding block is connected with the milling cutter, the sliding block slides in the track after being transmitted by a screw rod, the track is in a channel steel shape, end plates are fixedly arranged at two ends in the length direction of the track, the length direction of the track is the same as the axial direction of the rudder blade taper hole, the screw rod is rotatably arranged on the end plates at the two ends, and one end of the screw rod, which exceeds the end plates, is fixedly connected with a feed hand wheel; and a support rod for positioning the track in the taper hole of the rudder blade is fixedly arranged on the outer surface of the track. An SXJ 125-90-degree pneumatic angle grinder is selected as a driving power head. And the output end of the pneumatic angle grinder is modified to be capable of mounting a cutting tool. The appearance of the pneumatic angle grinder is reformed to ensure that the pneumatic angle grinder can be fixed and moved. Designing and manufacturing a track, adjusting and fixing the track according to the taper, mechanically moving a driving head on the track (screw thread control of a screw rod), and finally selecting and using a 55-degree tungsten steel round nose milling cutter (the model is 10R 1.5X 10D 75L 4F) through consulting data such as a practical hardware manual and a consulting machine to process a deep boring machine and performing a plurality of tests.
The technical scheme is that the support rods are two groups, each group of support rods comprises two combined rods, each combined rod comprises two mutually sleeved positioning ejector rods, the sleeved positioning ejector rods are connected through threads, external threads are further arranged on the outer surfaces of the positioning ejector rods, nuts used for adjusting the positions of the tracks in the rudder blade taper holes are arranged on the outer surfaces of the positioning ejector rods in a matched mode, positioning sleeves are arranged on the positioning ejector rods in a sliding sleeved mode, and the tracks are fixedly connected with the positioning sleeves. The driving head is modified by a pneumatic angle grinder, and a drill chuck is installed; the shell is additionally provided with a nylon sleeve with a square key. The track adopts the angle steel to piece together the system, and the recess that matches with the nylon cover is processed to the inner wall, makes the driving head according to the track removal. 4 support rods are manufactured according to the size of the big end and the small end of the taper hole and are provided with adjusting thread sleeves (adjusting the radial feed amount) and copper tips (protecting the inner wall after boring). The air inlet extension bar and the switch are provided with one set: two ends of the extension bar are connected with the angle grinder and the air inlet switch, and the outer circle of the extension bar is full-threaded. The hand wheel device and the internal thread sleeve are matched with the external thread of the extension bar to realize longitudinal movement feed.
The further technical scheme is that the end parts of the two positioning ejector rods are fixedly provided with copper finials for protecting the rear inner wall of the boring hole.
The further technical scheme is that a pneumatic angle grinder is fixedly connected to the sliding block and connected with a milling cutter through a drill chuck; the slider is inside cavity, and the slider cavity part is fixed to be set up the air mill and admits air the extension and connect, and the air mill admits air the extension and connect the middle part be equipped with the internal thread hole of lead screw adaptation. The specific parameters are as follows: track: profile 88 x 80 x 750mm (long); the inner wall is opened to 70+0.20/+ 0.10; the groove opening is 76.8+ 0.15/-0.10; an air inlet lengthening rod: m22 x 1.5 x 800 (long); nylon sheathing: phi 85, the outer shape is processed to be 70+0/-0.15 according to the inner diameter of the track; the bond 76.8-0.15/-0.30 x 10-0.10/-0.25.
The further technical scheme is that the sliding block is square, square keys are arranged on the outer surface of the sliding block, and grooves matched with the square keys are formed in the two side walls of the channel steel-shaped rails.
The invention has the advantages and beneficial effects that: the length of the radial positioning top rod is adjusted, so that the method is suitable for milling longitudinal oil grooves in conical holes of rudder blades of different ship types; by adjusting the nut on the positioning ejector rod, radial feed can be realized, and the depth of the oil tank is controlled; the semi-automatic axial feed is realized by rotating a hand wheel by utilizing a thread structure; the compressed air is adopted for driving, the control switch is moved out of the taper hole, observation is enhanced in the operation process, and potential safety hazards are avoided; simple structure and convenient operation. Simple operation, light weight and the whole weight of not more than 30 KG. The width, the depth and the R angle of the oil groove machined by the slot milling machine meet the drawing requirements, and meanwhile, the slot milling machine is convenient to operate, safe and free of hidden danger.
Drawings
FIG. 1 is a schematic view of a rudder blade taper hole longitudinal oil groove slot milling machine according to the invention;
FIG. 2 is a schematic view of the components in the track of FIG. 1;
FIG. 3 is a schematic view of the invention working in the flare seat bore;
figure 4 is a schematic view of the invention working in the taper of the rudder stock socket;
FIG. 5 is a cross-sectional view of the invention of FIG. 3 or FIG. 4 in operation;
FIG. 6 is an enlarged schematic view of the invention of FIG. 5;
FIG. 7 is a schematic view of the track of FIG. 6;
FIG. 8 is a schematic view of the slider of FIG. 2;
FIG. 9 is a schematic view of the air inlet extension joint of the air mill of FIG. 2.
In the figure: 1. milling cutters; 2. a track; 3. a slider; 4. a screw rod; 5. an end plate; 6. a taper hole; 7. a feed hand wheel; 8. positioning the ejector rod; 9. a nut; 10. a positioning sleeve; 11. a copper tip; 12. a drill chuck; 13. an air inlet lengthened joint of the air mill; 14. a groove; 15. and (4) square keys.
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1 to 9, the invention is a rudder blade taper hole longitudinal oil groove milling machine, which comprises a track 2 for axial feed of a milling cutter 1 of the groove milling machine, wherein a slide block 3 is arranged in the track 2 in a sliding manner, the slide block 3 is connected with the milling cutter 1, the slide block 3 slides in the track 2 after being transmitted by a lead screw 4, the track 2 is in a channel steel shape, end plates 5 are fixedly arranged at two ends of the track 2 in the length direction, the length direction of the track 2 is the same as the axial direction of a rudder blade taper hole 6, the lead screw 4 is rotatably arranged on the end plates 5 at the two ends, and one end of the lead screw 4, which exceeds the end plate 5, is fixedly connected with a feed hand wheel 7; the outer surface of the track 2 is fixedly provided with a support rod for positioning the track 2 in the conical hole 6 of the rudder blade. The bracing piece is equipped with two sets ofly, and every group bracing piece includes two combination bars, and every combination bar includes two location ejector pins 8 that cup joint mutually, and the location ejector pin 8 that cup joints passes through threaded connection, and the surface of location ejector pin 8 still is equipped with the external screw thread, is equipped with the nut 9 that is used for adjusting track 2 position in rudder blade taper hole 6 with the external screw thread adaptation, and the position sleeve 10 is established to the slip cap on the location ejector pin 8, track 2 and position sleeve 10 fixed connection. The end parts of the two positioning ejector rods 8 are fixedly provided with copper tips 11 for protecting the rear inner wall of the bored hole. The sliding block 3 is fixedly connected with a pneumatic angle grinder which is connected with a milling cutter 1 through a drill chuck 12; the inside cavity of slider 3, the fixed air mill that sets up of cavity part in slider 3 admits air extension connects 13, and the air mill admits air extension connects 13 middle part and is equipped with the internal thread hole with lead screw 4 adaptation. The slider 3 is square and its surface is equipped with square key 15, and the both sides wall of channel-section steel form track 2 is equipped with the recess 14 with square key 15 adaptation.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (1)
1. The longitudinal oil groove slot milling machine for the rudder blade taper hole is characterized by comprising a track for axial feed of a milling cutter of the slot milling machine, wherein a slide block is arranged in the track in a sliding manner, a pneumatic angle grinder is fixedly connected onto the slide block and is connected with the milling cutter through a drill chuck, a square key nylon sleeve is arranged on a shell of the slide block, a groove matched with the square key nylon sleeve is arranged in the track, the slide block is hollow, an air inlet lengthened joint of the air mill is fixedly arranged at the hollow cavity part of the slide block, an internal threaded hole matched with a lead screw is arranged in the middle of the air inlet lengthened joint of the air mill, the slide block slides in the track after being transmitted by a lead screw, the track is in a channel steel shape, end plates are fixedly arranged at two ends in the length direction of the track, the length direction of the track is the same as the axial direction of the rudder blade taper hole, the lead screw is rotatably arranged on the end plates at the two ends, and one end of the lead screw, which exceeds the end plates, is fixedly connected with a feed hand wheel;
a support rod for positioning the track in the taper hole of the rudder blade is fixedly arranged on the outer surface of the track; the utility model discloses a rudder blade taper hole locating device, including the bracing piece, every bracing piece is equipped with two sets ofly, and every bracing piece includes two combination bars, and every combination bar includes two location ejector pins that cup joint mutually, and the location ejector pin that cup joints passes through threaded connection, and the surface of location ejector pin still is equipped with the external screw thread, is equipped with the nut that is used for adjusting the track position in the rudder blade taper hole with the external screw thread adaptation, and the slip cap establishes the position sleeve on the location ejector pin, track and position sleeve fixed connection, the end fixing of two location ejector pins sets up the copper top that is used for protecting the inner wall behind the bore hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125882.6A CN112453526B (en) | 2020-10-20 | 2020-10-20 | Longitudinal oil groove slot milling machine for rudder blade taper hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011125882.6A CN112453526B (en) | 2020-10-20 | 2020-10-20 | Longitudinal oil groove slot milling machine for rudder blade taper hole |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112453526A CN112453526A (en) | 2021-03-09 |
| CN112453526B true CN112453526B (en) | 2022-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011125882.6A Active CN112453526B (en) | 2020-10-20 | 2020-10-20 | Longitudinal oil groove slot milling machine for rudder blade taper hole |
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| Country | Link |
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| CN (1) | CN112453526B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102211222B (en) * | 2011-05-31 | 2012-11-21 | 中船澄西船舶修造有限公司 | Tool special for processing key groove of 76,000-ton rudder blade |
| CN104907618A (en) * | 2015-03-16 | 2015-09-16 | 喻平 | Power milling head of milling bore long key-groove |
| CN207642399U (en) * | 2017-08-09 | 2018-07-24 | 江苏华帝海洋工程设备制造有限公司 | A kind of medium and small-scale vessel rudder blade dumb chalder taper hole keyway broaching device |
| AU2018101473B4 (en) * | 2017-11-22 | 2019-05-30 | Elmass (Australia) Pty. Ltd. | Improvements relating to cutting devices to make internal keyways, splines and other shapes in blind bores and through bores |
| CN108176882B (en) * | 2017-12-29 | 2020-01-17 | 东华大学 | Spiral pipe inner wall weld joint polishing mechanism |
| CN109047873A (en) * | 2018-10-15 | 2018-12-21 | 中船澄西船舶修造有限公司 | A kind of rudder bearer cutting tool |
| CN213794434U (en) * | 2020-10-20 | 2021-07-27 | 中船澄西船舶修造有限公司 | Longitudinal oil groove slot milling machine for rudder blade taper hole |
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- 2020-10-20 CN CN202011125882.6A patent/CN112453526B/en active Active
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| Publication number | Publication date |
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| CN112453526A (en) | 2021-03-09 |
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