CN110561123A - Rotor large barrel inner wall drilling and tapping mechanism - Google Patents
Rotor large barrel inner wall drilling and tapping mechanism Download PDFInfo
- Publication number
- CN110561123A CN110561123A CN201910992235.6A CN201910992235A CN110561123A CN 110561123 A CN110561123 A CN 110561123A CN 201910992235 A CN201910992235 A CN 201910992235A CN 110561123 A CN110561123 A CN 110561123A
- Authority
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- China
- Prior art keywords
- drilling
- rotary table
- rotor
- rotor large
- tapping mechanism
- Prior art date
- 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
- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 238000010079 rubber tapping Methods 0.000 title claims abstract description 20
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 101100372509 Mus musculus Vat1 gene Proteins 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- 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
- B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
- B23Q16/02—Indexing equipment
- B23Q16/04—Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
- B23Q16/06—Rotary indexing
-
- 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
- B23Q5/36—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission in which a servomotor forms an essential element
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a drilling and tapping mechanism for the inner wall of a rotor large cylinder, which realizes the indexing positioning of a centripetal hole in the rotor cylinder by adopting a rotary table; the ram is used for realizing the functions of positioning the upper working point and the lower working point of the rotor cylinder group hole and quickly feeding the upper working point and the lower working point, the multi-hole drilling machines are arranged, the functions of simultaneously realizing the high-speed drilling of a plurality of centripetal holes on the inner cylinder body according to the design angle, carrying out rigid tapping on the holes and the like can be realized, the drilling efficiency is improved by a plurality of times, and the processing quality is guaranteed.
Description
Technical Field
The invention relates to the technical field of machining and manufacturing of a stator of a wind driven generator, in particular to a drilling and tapping mechanism for the inner wall of a rotor large cylinder.
background
At present, in the field of wind driven generators in China, a rotor of a direct-drive wind driven generator is generally fixed by a screw, and the screw is characterized in that: (1) the manufacturing is simple, only turning and drilling tapping are needed, (2) threaded holes in the inner cylinder body of the rotor are various, the phase of each circle is different from top to bottom, and the workload is large;
However, in the prior art, gantry milling is adopted for drilling threaded holes in a barrel body in a rotor, manual tapping is adopted for drilling one hole after another, the production efficiency is low, the centripetal force of the manual tapping threaded hole is poor, and the precision of the threaded hole cannot be guaranteed.
Disclosure of Invention
In order to overcome the defects, the invention provides a drilling and tapping mechanism for the inner wall of a rotor large cylinder.
A drilling and tapping mechanism for the inner wall of a large rotor barrel comprises a clamping jaw, a rotary table, the large rotor barrel arranged on the rotary table, a ram and a plurality of drilling heads, wherein a numerical control feeding device for controlling the feeding of the drilling heads is connected behind each drilling head; the clamping jaw is arranged above the rotary table, and two sides of the clamping jaw are detachably connected with the rotary table through T-shaped screws and nuts; the ram is located inside the rotor large cylinder, the bottom of the ram is provided with connecting blocks equal to the number of the drilling heads, and each connecting block is connected with one drilling head through a fastening bolt.
According to a preferred embodiment of the present invention, the clamping jaw is fixed on the rotary table by a T-shaped screw.
According to a preferred scheme of the invention, the drilling head comprises a main shaft, an ER chuck and a hard alloy drill bit, the main shaft is controlled by a first servo motor to rotate, the head of the main shaft is fixedly connected with the ER chuck, and the hard alloy drill bit is fixed on the ER chuck.
According to a preferred embodiment of the present invention, the plurality of drilling heads are located in the same plane, and the central angle between two adjacent porous drills is 6 degrees.
According to a preferable scheme of the invention, the plurality of drilling heads are connected with the connecting block through a plurality of bolts, and the connecting block is connected and locked with the ram through the blind rivet.
the invention has the beneficial effects that: through the cooperation of the ram and the plurality of drilling heads, each drilling positioning point can finish the high-speed drilling and tapping of a plurality of radial holes at one time, the drilling efficiency is improved by a plurality of times, the multi-hole drilling of each positioning point of the radial arrangement holes in the barrel is solved, the multi-hole tapping of each positioning point of the radial arrangement holes in the barrel is also solved, and the machining efficiency and the product quality are improved.
drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
Fig. 1 is a cross-sectional view of the present invention:
FIG. 2 is a schematic view of the numerically controlled feeding device of the present invention;
Fig. 3 is a schematic view of two adjacent drill heads;
wherein: the rotor large cylinder body 1, the ram 2, the connecting block 3, the fastening bolt 4 and the drilling head 5; a hard alloy drill 6; the device comprises an ER chuck 7, a jaw 8, a T-shaped screw 9, a nut 10, a rotary table 11, a first servo motor 12, a numerical control feeding device 13, a driving wheel 14, a synchronous belt 15, a main shaft 16, a screw rod 17, a sliding block 18, a driven wheel 19 and a second servo motor 20.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may 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.
The rotor large cylinder inner wall drilling and tapping mechanism shown in fig. 1 comprises a jaw 8, a rotary table 11, a rotor large cylinder 1 arranged on the rotary table 11, a ram 2 and a plurality of drilling heads 5, wherein a numerical control feeding device 13 for controlling the feeding of the drilling heads is connected behind each drilling head 5.
As shown in fig. 2, the drilling head 5 comprises a main shaft 16, an ER chuck 7 and a hard alloy drill bit 6, the head of the main shaft 16 is fixedly connected with the ER chuck 7, the hard alloy drill bit 6 is fixed on the ER chuck 7, and the numerical control feeding device comprises a driving wheel 14, a driven wheel 19, a synchronous belt 15, a screw rod 17, a sliding block 18 and a second servo motor 20; the driven wheel 19 is connected with the main shaft 16, the output shaft of the first servo motor 12 is connected with the driving wheel 14, the driving wheel 14 and the driven wheel 19 are connected through the synchronous belt 15, when the first servo motor 12 rotates, the driving wheel 14 drives the driven wheel 19 to rotate, the main shaft 16 is driven to rotate, and the main shaft 16 drives the drilling head 5 to perform drilling work.
The second servo motor 20 is arranged below the drilling head 5, an output shaft of the second servo motor 20 is fixedly connected with the screw rod 17, a threaded hole meshed with the screw rod 17 is formed in the lower portion of the sliding block 18, and the screw rod 17 penetrates through the threaded hole; the main shaft 16 passes through the upper part of the sliding block 18, and a bearing is arranged between the main shaft and the sliding block. When the second servo motor 20 rotates forwards or backwards, the screw rod 17 is driven to rotate, and the sliding block moves forwards and backwards, so that the drilling head can be driven to feed.
The clamping jaw 8 is arranged above the rotary table 11, two sides of the clamping jaw 8 are detachably connected with the rotary table 11 through T-shaped screws 9, and the clamping jaw 8 is fixed on the rotary table 11 through the T-shaped screws 9 by the clamping jaw 8; by adopting the rotary table 11, indexing positioning can be realized, meanwhile, the clamping jaw 8 and the rotary table 11 are kept fixed, the support and fixation of the rotor large cylinder body 1 are ensured, two sides of the clamping jaw 8 are fixed, and the rotor large cylinder body 1 can be loaded and unloaded through the movement of the clamping jaw.
The ram is located inside the rotor large cylinder, the connecting block 3 is arranged at the bottom of the ram 2, the ram 2 is connected with the connecting block 3 through the blind rivet in a locking mode, and each connecting block 3 is detachably connected with one drilling head 5 through a fastening bolt 4, so that the replacement and the maintenance are convenient. As shown in fig. 3, the plurality of drill bits 5 are in the same plane, and the central angle between two adjacent drill bits 5 is 6 degrees.
Rotor vat 1 is the steel component, so adopt carbide drill bit 6, can control the rotational speed and guarantee the position precision through setting up first servo motor 12, drilling head 5 can realize drilling and rigidity tapping through numerical control feeding device 13, the drilling center is located the coplanar, and along the horizontal parallel distribution of rotor vat 1 inner wall, thereby guarantee can realize simultaneously according to the design angle high-speed drilling in a plurality of centripetal holes on the interior barrel, carry out functions such as rigidity tapping to the hole, drilling head 5 forms a whole through connecting block 3, can reduce the error that vibrations brought when because of the drilling, machining efficiency and product quality have been improved.
In light of the foregoing, it is to be understood that various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. The drilling and tapping mechanism for the inner wall of the rotor large barrel is characterized by comprising a clamping jaw (8), a rotary table (11), the rotor large barrel (1) arranged on the rotary table (11), a ram (2) and a plurality of drilling heads (5), wherein a numerical control feeding device (13) for controlling the feeding of the drilling heads is connected behind each drilling head (5); the clamping jaw (8) is arranged above the rotary table (11), and two sides of the clamping jaw (8) are detachably connected with the rotary table (11) through T-shaped screws (9) and nuts (10); the ram (2) is positioned inside the rotor large cylinder (1), the bottom of the ram (2) is provided with connecting blocks (3) with the same number as the drilling heads (5), and each connecting block (3) is connected with one drilling head (5) through a fastening bolt (4).
2. The rotor large cylinder inner wall drilling and tapping mechanism according to claim 1, characterized in that the jaws (8) are fixed on the rotary table (11) through T-shaped screws (9) and nuts (10).
3. The rotor large cylinder inner wall drilling and tapping mechanism according to claim 1, characterized in that the ram (2) and the connecting block (3) are connected and locked through a blind rivet.
4. The rotor large cylinder inner wall drilling and tapping mechanism is characterized in that the drilling head (5) comprises a spindle (16), an ER chuck (7) and a hard alloy drill bit (6), the spindle (16) is controlled to rotate by a first servo motor (12), the head of the spindle (16) is fixedly connected with the ER chuck (7), and the hard alloy drill bit (6) is fixed on the ER chuck (7).
5. The rotor large cylinder inner wall drilling and tapping mechanism according to claim 1, characterized in that a plurality of drilling heads (5) are in the same plane, and the central angle between two adjacent drilling heads (5) is 6 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992235.6A CN110561123A (en) | 2019-10-18 | 2019-10-18 | Rotor large barrel inner wall drilling and tapping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910992235.6A CN110561123A (en) | 2019-10-18 | 2019-10-18 | Rotor large barrel inner wall drilling and tapping mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110561123A true CN110561123A (en) | 2019-12-13 |
Family
ID=68785368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910992235.6A Pending CN110561123A (en) | 2019-10-18 | 2019-10-18 | Rotor large barrel inner wall drilling and tapping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110561123A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531208A (en) * | 2020-06-01 | 2020-08-14 | 江苏振江新能源装备股份有限公司 | Aerogenerator rotor room boring grab |
Citations (9)
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|---|---|---|---|---|
| CN202726112U (en) * | 2012-06-29 | 2013-02-13 | 江阴市振江钢结构有限公司 | Hole-drilling mechanism for radial holes in inner wall of large barrel |
| CN203356651U (en) * | 2013-07-16 | 2013-12-25 | 国水投资集团西安风电设备股份有限公司 | Special-purpose yoke drilling device for giant wind turbine rotor |
| CN205147512U (en) * | 2015-12-03 | 2016-04-13 | 济南章力机械有限公司 | Servo tapper of wind -powered electricity generation rotor housing numerical control |
| CN105834748A (en) * | 2016-05-13 | 2016-08-10 | 中国东方电气集团有限公司 | Automatic drilling device for large motor rotor |
| CN105855881A (en) * | 2016-05-13 | 2016-08-17 | 中国东方电气集团有限公司 | Multi-station automatic drilling equipment for rotary parts |
| CN206588361U (en) * | 2017-03-21 | 2017-10-27 | 上海双菱风能电力设备有限公司 | A kind of double Ni Zhifu drill fully automatic perforator of numerical control |
| CN208853779U (en) * | 2018-10-26 | 2019-05-14 | 山东山一数控机床制造有限公司 | A kind of ring die drilling special purpose machine tool |
| CN109822354A (en) * | 2019-03-27 | 2019-05-31 | 西安国水风电设备股份有限公司 | Process equipment for the oblique pole hole of wind-powered electricity generation rotor rim |
| CN210818382U (en) * | 2019-10-18 | 2020-06-23 | 江苏振江新能源装备股份有限公司 | Rotor large barrel inner wall drilling and tapping mechanism |
-
2019
- 2019-10-18 CN CN201910992235.6A patent/CN110561123A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202726112U (en) * | 2012-06-29 | 2013-02-13 | 江阴市振江钢结构有限公司 | Hole-drilling mechanism for radial holes in inner wall of large barrel |
| CN203356651U (en) * | 2013-07-16 | 2013-12-25 | 国水投资集团西安风电设备股份有限公司 | Special-purpose yoke drilling device for giant wind turbine rotor |
| CN205147512U (en) * | 2015-12-03 | 2016-04-13 | 济南章力机械有限公司 | Servo tapper of wind -powered electricity generation rotor housing numerical control |
| CN105834748A (en) * | 2016-05-13 | 2016-08-10 | 中国东方电气集团有限公司 | Automatic drilling device for large motor rotor |
| CN105855881A (en) * | 2016-05-13 | 2016-08-17 | 中国东方电气集团有限公司 | Multi-station automatic drilling equipment for rotary parts |
| CN206588361U (en) * | 2017-03-21 | 2017-10-27 | 上海双菱风能电力设备有限公司 | A kind of double Ni Zhifu drill fully automatic perforator of numerical control |
| CN208853779U (en) * | 2018-10-26 | 2019-05-14 | 山东山一数控机床制造有限公司 | A kind of ring die drilling special purpose machine tool |
| CN109822354A (en) * | 2019-03-27 | 2019-05-31 | 西安国水风电设备股份有限公司 | Process equipment for the oblique pole hole of wind-powered electricity generation rotor rim |
| CN210818382U (en) * | 2019-10-18 | 2020-06-23 | 江苏振江新能源装备股份有限公司 | Rotor large barrel inner wall drilling and tapping mechanism |
Non-Patent Citations (1)
| Title |
|---|
| 徐凤英等: "《车工》", vol. 1, 30 September 2004, 广东科技出版社, pages: 220 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111531208A (en) * | 2020-06-01 | 2020-08-14 | 江苏振江新能源装备股份有限公司 | Aerogenerator rotor room boring grab |
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