CN205342091U - Roll over and use assembled reamer to boring - Google Patents
Roll over and use assembled reamer to boring Download PDFInfo
- Publication number
- CN205342091U CN205342091U CN201620139409.6U CN201620139409U CN205342091U CN 205342091 U CN205342091 U CN 205342091U CN 201620139409 U CN201620139409 U CN 201620139409U CN 205342091 U CN205342091 U CN 205342091U
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- reamer
- caudal peduncle
- ream
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Abstract
The utility model provides a roll over and use assembled reamer to boring, the utility model relates to a reamer, concretely relates to are used for processing the reamer of the deep hole department that the steam turbine impeller is thick. The utility model discloses a for the problem of solving the deep hole department ream difficulty that the steam turbine impeller is thick. The utility model discloses a roll over and use assembled reamer to boring comprises caudal peduncle and reamer, and these two parts pass through the screw can dismantle the connection, to the deep hole that the impeller is thick, adopts ream processing mode twice, the certain bore depth of the short reamer ream of installation earlier, again the installation add the through reamer, with the locking pin ream to requiring the degree of depth, solved a processing difficult problem. The utility model discloses a reamer is from left to right in proper order for cutting awl, finishing teeth and anti - tapering, has guaranteed the hinge and has gone into when cutting with scissors out smooth feed and move back the sword, the aperture size of having guaranteed locking pin with process roughness, guaranteed product processingquality.
Description
Technical field
This utility model relates to a kind of reamer, is particularly used for the reamer at the thicker deep hole place of processing turbine rotor.
Background technology
Turbine rotor and turbine blade are two vitals of steam-turbine unit, the blade often enclosing blade, finally installing being arranged on rotor is final blage, process locking pin-and-hole with impeller of rotor at final blage blade root place simultaneously, with straight pin positioning and locking, because impeller spacing at different levels are very narrow, it is necessary to use special Deflection drill to process.But for the deep hole that impeller is thicker, cannot complete by a ream in small space, in order to solve this processing difficult problem, have developed Deflection drill assembled reamer.
Utility model content
The purpose of this utility model is the problem in order to solve the thicker deep hole place ream difficulty of turbine rotor, and provides a kind of Deflection drill assembled reamer.
This utility model Deflection drill assembled reamer is made up of caudal peduncle and reamer, caudal peduncle is the short taper shank of Mohs, endoporus and screwed hole is had from front to back successively in caudal peduncle body, disposed behind in reamer body has and the exterior circular column of caudal peduncle inner hole, the external screw thread coordinated with caudal peduncle screwed hole it is connected to after exterior circular column, reamer and caudal peduncle are threaded connection, and the direction of rotation of described reamer is consistent with the direction of rotation of screw thread.Reamer is six toothings, and reamer is made up of finishing teeth and anti-tapered portion, and finishing teeth is used for calibrating locking pin-and-hole aperture size, and anti-tapered portion locking pin-and-hole ream guides reamer to exit in hole after completing；α is withdrawing chamfering, and α is used in smooth for reamer exit aperture, and β is the cutting conical surface, is used for being introduced in locking pin-and-hole by reamer and carrying out ream machining, and thus the conical surface completes ream machining；
Deflection drill assembled reamer described in the utility model is made up of caudal peduncle and reamer, these two parts are removably connected by screw thread, for the deep hole that impeller is thicker, adopt twice ream machining mode, the short certain hole depth of reamer ream is first installed, lengthened reamer is installed again, by locking pin-and-hole ream to requiring the degree of depth, solves a processing difficult problem.
Beneficial effect:
The Deflection drill assembled reamer developed, it is made up of reamer and caudal peduncle two parts, removably connected by screw thread, for the deep hole that impeller is thicker, adopt twice ream machining mode, the short certain hole depth of reamer ream is first installed, lengthened reamer is installed again, by locking pin-and-hole ream to requiring the degree of depth, solving a processing difficult problem, this reamer is followed successively by cutting cone, finishing teeth and inverted cone degree from left to right, it is ensured that smooth feed and withdrawing when being winched into and cut with scissors out, ensure that the aperture size of locking pin-and-hole and machined surface roughness, it is ensured that product processing quality.
Accompanying drawing explanation
Fig. 1 is the installation diagram of Deflection drill assembled reamer；
Fig. 2 is the front view of caudal peduncle；
Fig. 3 is the top view of caudal peduncle；
Fig. 4 is the front view of reamer；
Fig. 5 is the A-A profile in Fig. 4 reamer；
Fig. 6 is the B-B profile in Fig. 4 reamer.
Detailed description of the invention
Detailed description of the invention one: present embodiment Deflection drill assembled reamer is made up of reamer 1 and caudal peduncle 2, caudal peduncle 2 is the short taper shank of Mohs, endoporus 2-1 and screwed hole 2-2 is had from front to back successively in caudal peduncle 2 body, disposed behind in reamer 1 main body has and the caudal peduncle 2 endoporus 2-1 exterior circular column 1-2 coordinated, it is connected to after exterior circular column 1-2 and the caudal peduncle 2 screwed hole 2-2 external screw thread 1-1 coordinated, reamer 1 and caudal peduncle 2 are threaded connection, and the direction of rotation of described reamer 1 is consistent with the direction of rotation of screw thread；Reamer 1 is six toothings, and reamer 1 is made up of finishing teeth 3 and anti-tapered portion 4, and finishing teeth 3 is used for calibrating locking pin-and-hole aperture size, and anti-tapered portion 4 is locked and guided reamer to exit in hole after pin-and-hole ream completes；α is withdrawing chamfering, and α is used in smooth for reamer exit aperture, and β is the cutting conical surface, is used for being introduced in locking pin-and-hole by reamer and carrying out ream machining, and thus the conical surface completes ream machining；
By the caudal peduncle of present embodiment Deflection drill assembled reamer with the short cone location and installation of Mohs in outside Deflection drill taper hole, adopt twice drilling mode to process the locking pin-and-hole at the thicker deep hole place of turbine rotor.
Detailed description of the invention two: present embodiment and detailed description of the invention one the difference is that, caudal peduncle 2 is No. 2 short taper shanks of Mohs.Other steps and parameter are identical with detailed description of the invention one.
Detailed description of the invention three: present embodiment and detailed description of the invention one or two the difference is that, the length of finishing teeth 3 is 11mm.Other steps and parameter are identical with detailed description of the invention one or two.
Detailed description of the invention four: present embodiment and embodiment one to three the difference is that, α is 45 °, and β is 15 °.Other steps and parameter are identical with detailed description of the invention one to three.
Detailed description of the invention five: present embodiment and detailed description of the invention one to four the difference is that, the anterior angle δ of described reamer 1 is 4 °, and relief angle ε is 10 °.Other steps and parameter are identical with detailed description of the invention one to four.
Embodiment 1
The present embodiment Deflection drill assembled reamer is made up of reamer 1 and caudal peduncle 2, caudal peduncle 2 is the short taper shank of Mohs, endoporus 2-1 and screwed hole 2-2 is had from front to back successively in caudal peduncle 2 body, disposed behind in reamer 1 main body has and the caudal peduncle 2 endoporus 2-1 exterior circular column 1-2 coordinated, it is connected to after exterior circular column 1-2 and the caudal peduncle 2 screwed hole 2-2 external screw thread 1-1 coordinated, reamer 1 and caudal peduncle 2 are threaded connection, and the direction of rotation of described reamer 1 is consistent with the direction of rotation of screw thread；Reamer 1 is six toothings, and reamer 1 is made up of finishing teeth 3 and anti-tapered portion 4, and finishing teeth 3 is used for calibrating locking pin-and-hole aperture size, and anti-tapered portion 4 is locked and guided reamer to exit in hole after pin-and-hole ream completes, and the length of finishing teeth 3 is 11mm；α is withdrawing chamfering, and α is used in smooth for reamer exit aperture, and β is the cutting conical surface, is used for being introduced in locking pin-and-hole by reamer and carrying out ream machining, and thus the conical surface completes ream machining；The present embodiment α is 45 °, and β is 15 °；The anterior angle δ of the present embodiment reamer 1 is 4 °, and relief angle ε is 10 °.
By the caudal peduncle of present embodiment Deflection drill assembled reamer with the short cone location and installation of Mohs in outside Deflection drill taper hole, adopt twice drilling mode to process the locking pin-and-hole at the thicker deep hole place of turbine rotor.
Reamer rear portion flat, coordinates with external key, for installing/dismounting drill bit.The length of caudal peduncle 2 is 65mm, and diameter of bore is 10mm, and screwed hole is M8.
By Deflection drill by assembled reamer location and installation in outside Deflection drill taper hole, twice ream machining mode is adopted to process the locking pin-and-hole at turbine blade root place, short reamer ream is first installed to 50mm hole depth, then installing drill assembled lengthened reamer, by locking pin-and-hole ream to the 80mm degree of depth.Owing to impeller spacing is very narrow, for the deep hole that impeller is thicker, tool space it is fitted without in small space, cannot be carried out Drilling operation, cannot process at one time by the lengthening drill bit of designing requirement hole depth, and take this Deflection drill assembled reamer can be convenient for changing various sizes of reamer, it is simple to the processing of locking pin-and-hole.
Claims (5)
1. a Deflection drill assembled reamer, it is characterized in that: this reamer is made up of reamer (1) and caudal peduncle (2), caudal peduncle (2) is the short taper shank of Mohs, have endoporus (2-1) and screwed hole (2-2) from front to back successively caudal peduncle (2) is internal, disposed behind in reamer (1) main body has the exterior circular column (1-2) coordinated with caudal peduncle (2) endoporus (2-1), it is connected to the external screw thread (1-1) coordinated with caudal peduncle (2) screwed hole (2-2) below at exterior circular column (1-2), reamer (1) and caudal peduncle (2) are threaded connection, the direction of rotation of described reamer (1) is consistent with the direction of rotation of screw thread；Reamer (1) is six toothings, and reamer (1) is made up of finishing teeth (3) and anti-tapered portion (4).
2. a kind of Deflection drill assembled reamer according to claim 1, it is characterised in that: caudal peduncle (2) is No. 2 short taper shanks of Mohs.
3. a kind of Deflection drill assembled reamer according to claim 1, it is characterised in that: the length of finishing teeth 3 is 11mm.
4. a kind of Deflection drill assembled reamer according to claim 1, it is characterised in that: α is 45 °, and β is 15 °.
5. a kind of Deflection drill assembled reamer according to claim 1, it is characterised in that: the anterior angle δ of described reamer (1) is 4 °, and relief angle ε is 10 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139409.6U CN205342091U (en) | 2016-02-24 | 2016-02-24 | Roll over and use assembled reamer to boring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139409.6U CN205342091U (en) | 2016-02-24 | 2016-02-24 | Roll over and use assembled reamer to boring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205342091U true CN205342091U (en) | 2016-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620139409.6U Active CN205342091U (en) | 2016-02-24 | 2016-02-24 | Roll over and use assembled reamer to boring |
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| Country | Link |
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| CN (1) | CN205342091U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555393A (en) * | 2018-04-28 | 2018-09-21 | 太仓瑞鼎精密机械科技有限公司 | A kind of quick-change type reaming system |
-
2016
- 2016-02-24 CN CN201620139409.6U patent/CN205342091U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108555393A (en) * | 2018-04-28 | 2018-09-21 | 太仓瑞鼎精密机械科技有限公司 | A kind of quick-change type reaming system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |