CN204148653U - The anti-reamer of a kind of processing high-pressure shaft bearing - Google Patents
The anti-reamer of a kind of processing high-pressure shaft bearing Download PDFInfo
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- CN204148653U CN204148653U CN201420627104.0U CN201420627104U CN204148653U CN 204148653 U CN204148653 U CN 204148653U CN 201420627104 U CN201420627104 U CN 201420627104U CN 204148653 U CN204148653 U CN 204148653U
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- reamer
- caudal peduncle
- shaft bearing
- pressure shaft
- screwed hole
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Abstract
The anti-reamer of a kind of processing high-pressure shaft bearing.The utility model relates to mechanical manufacturing field, is specifically related to the anti-reamer of a kind of processing high-pressure shaft bearing.When the utility model is for solving existing positive reamer ream machining darker pin-and-hole, the problem of crudy difference.The anti-reamer of a kind of processing high-pressure shaft bearing comprises caudal peduncle and anti-reamer, caudal peduncle is cone, the miner diameter end of caudal peduncle is inserted in tapered bore of machine tool spindle, the end face of the miner diameter end of caudal peduncle is provided with the first screwed hole, first screwed hole by outside stretching screw and tapered bore of machine tool spindle affixed, the end face of the bigger diameter end of caudal peduncle is provided with connecting hole and the second screwed hole from outside to inside successively, the centre position of anti-reamer is knife bar, the end of handle of a knife is thread spindle, connecting axle is provided with between thread spindle and knife bar, thread spindle coordinates with the second screwed hole of caudal peduncle, connecting axle coordinates with connecting hole, radially uniform on the external peripheral surface of cutter head multiple cutter tooth is set.The utility model is used for the fraising of high-pressure shaft bearing.
Description
Technical field
The utility model relates to mechanical manufacturing field, is specifically related to the anti-reamer of a kind of processing high-pressure shaft bearing.
Background technology
High-pressure shaft bearing is one of steam-turbine unit parts, be designed with dark connecting pin bores on the components, the processing of pin-and-hole is a production difficult problem always, the positive reamer ream machining of employing in the past, because pin-and-hole is darker, pin-and-hole crudy is not ideal enough, in order to improve this machining status, have developed the anti-reamer of processing high-pressure shaft bearing.
Utility model content
When the utility model is in order to solve existing positive reamer ream machining darker pin-and-hole, the problem of crudy difference, and then the anti-reamer of a kind of processing high-pressure shaft bearing is proposed.
The utility model is solve the problems of the technologies described above the technical scheme taked to be: the utility model comprises caudal peduncle and anti-reamer, caudal peduncle is cone, the miner diameter end of caudal peduncle is inserted in tapered bore of machine tool spindle, the end face of the miner diameter end of caudal peduncle is provided with the first screwed hole, first screwed hole by outside stretching screw and tapered bore of machine tool spindle affixed, the end face of the bigger diameter end of caudal peduncle is provided with connecting hole and the second screwed hole from outside to inside successively, the centre position of anti-reamer is knife bar, one end of knife bar is provided with handle of a knife, the other end of knife bar is provided with cutter head, the end of handle of a knife is thread spindle, connecting axle is provided with between thread spindle and knife bar, thread spindle coordinates with the second screwed hole of caudal peduncle, connecting axle coordinates with connecting hole, radially uniform on the external peripheral surface of cutter head multiple cutter tooth is set.
The beneficial effect that the utility model compared with prior art comprises is: the utility model is for the machining status of high-pressure shaft bearing pin-and-hole, have developed the anti-reamer of processing high-pressure shaft bearing, owing to improving ream mode, have employed and instead cut with scissors processing, stable cutting during ream, substantially increase pin-and-hole crudy, pin bore surface crudy is increased to Ra0.8 by former Ra1.6, ensure that product quality.
Accompanying drawing explanation
Fig. 1 is the integrally-built schematic diagram of the utility model; Fig. 2 is the structural representation of caudal peduncle 1 in the utility model; Fig. 3 is the sectional view of caudal peduncle 1 in the utility model; Fig. 4 is the structural representation of anti-reamer 2 in the utility model; Fig. 5 is that A-A in Fig. 4 is to sectional view; Fig. 6 is the B-B place sectional view in Fig. 4.
Detailed description of the invention
Detailed description of the invention one: composition graphs 1 to Fig. 6 illustrates present embodiment, described in present embodiment, the anti-reamer of a kind of processing high-pressure shaft bearing comprises caudal peduncle 1 and anti-reamer 2, caudal peduncle 1 is cone, the miner diameter end of caudal peduncle 1 is inserted in tapered bore of machine tool spindle, the end face of the miner diameter end of caudal peduncle 1 is provided with the first screwed hole 1-1, first screwed hole 1-1 by outside stretching screw and tapered bore of machine tool spindle affixed, the end face of the bigger diameter end of caudal peduncle 1 is provided with from outside to inside successively connecting hole 1-2 and the second screwed hole 1-3, the centre position of anti-reamer 2 is knife bar 2-1, one end of knife bar 2-1 is provided with handle of a knife 2-2, the other end of knife bar 2-1 is provided with cutter head 2-3, the end of handle of a knife 2-2 is thread spindle 2-2-1, connecting axle 2-2-2 is provided with between thread spindle 2-2-1 and knife bar 2-1, thread spindle 2-2-1 coordinates with the second screwed hole 1-3 of caudal peduncle 1, connecting axle 2-2-2 coordinates with connecting hole 1-2, radially uniform on the external peripheral surface of cutter head 2-3 multiple cutter tooth is set.
Detailed description of the invention two: composition graphs 4 and Fig. 5 illustrate present embodiment, on cutter head 2-3 described in present embodiment, the quantity of cutter tooth is eight, and the anterior angle of each cutter tooth is 3 °, and the relief angle of each cutter tooth is 8 °.Other composition is identical with detailed description of the invention one with connected mode.Design like this can effectively improve ream machining quality.
Detailed description of the invention three: composition graphs 1 to Fig. 3 illustrates present embodiment, the conicity of caudal peduncle 1 described in present embodiment is No. four, Mohs.Other composition is identical with detailed description of the invention one with connected mode.Design like this can make caudal peduncle 1 tightr with coordinating of tapered bore of machine tool spindle.
Detailed description of the invention four: composition graphs 2 and Fig. 4 illustrate present embodiment, symmetric about the axisly on the external peripheral surface of caudal peduncle 1 bigger diameter end described in present embodiment be provided with two the first clamping plane 1-4, on anti-reamer 2 one end of knife bar 2-1 external peripheral surface on be symmetric about the axisly provided with two the second clamping plane 2-1-1.Other composition is identical with detailed description of the invention one with connected mode.Design like this is when dismounting caudal peduncle 1 is with anti-reamer 2, and the first clamping plane 1-4 and the second clamping plane 2-1-1 coordinates with external key respectively, by the anti-reamer 2 of external key installing/dismounting.
Detailed description of the invention five: composition graphs 1 to Fig. 4 illustrates present embodiment, the first screwed hole 1-1 on caudal peduncle 1 described in present embodiment is the first screwed hole 1-1 of M14, on caudal peduncle 1, the diameter of connecting hole 1-2 is 16mm, the second screwed hole 1-3 on caudal peduncle 1 is the second screwed hole 1-3 of M14, thread spindle 2-2-1 on anti-reamer 2 is the thread spindle 2-2-1 of M14, and on anti-reamer 2, the diameter of connecting axle 2-2-2 is 16mm.Other composition is identical with detailed description of the invention one with connected mode.
Detailed description of the invention six: composition graphs 4 illustrates present embodiment, anti-reamer 2 described in present embodiment is equipped with escape 2-4 between thread spindle 2-2-1 and connecting axle 2-2-2 and between connecting axle 2-2-2 and knife bar 2-1.Other composition is identical with detailed description of the invention one with connected mode.
Operation principle
The pin-and-hole of high-pressure shaft bearing adds man-hour, first use bit bore, then reamer reaming is used, just fraising fine finishining is carried out after reaming, during fraising, handle of a knife 2-2 is penetrated in hole, in the connecting hole 1-2 handle of a knife 2-2 of anti-reamer 2 being inserted into caudal peduncle 1 again and the second screwed hole 1-3, screw screw thread, then caudal peduncle 1 and anti-reamer 2 are assembled into one, the miner diameter end of caudal peduncle 1 is inserted in tapered bore of machine tool spindle, first screwed hole 1-1 of caudal peduncle 1 by outside stretching screw and tapered bore of machine tool spindle affixed, rotate machine tool chief axis, anti-reamer 1 is pulled to ream, complete pin-and-hole processing.
Claims (6)
1. the anti-reamer of processing high-pressure shaft bearing, it is characterized in that: the anti-reamer of described one processing high-pressure shaft bearing comprises caudal peduncle (1) and anti-reamer (2), caudal peduncle (1) is cone, the miner diameter end of caudal peduncle (1) is inserted in tapered bore of machine tool spindle, the end face of the miner diameter end of caudal peduncle (1) is provided with the first screwed hole (1-1), first screwed hole (1-1) by outside stretching screw and tapered bore of machine tool spindle affixed, the end face of the bigger diameter end of caudal peduncle (1) is provided with from outside to inside successively connecting hole (1-2) and the second screwed hole (1-3), the centre position of anti-reamer (2) is knife bar (2-1), one end of knife bar (2-1) is provided with handle of a knife (2-2), the other end of knife bar (2-1) is provided with cutter head (2-3), the end of handle of a knife (2-2) is thread spindle (2-2-1), connecting axle (2-2-2) is provided with between thread spindle (2-2-1) and knife bar (2-1), thread spindle (2-2-1) coordinates with second screwed hole (1-3) of caudal peduncle (1), connecting axle (2-2-2) coordinates with connecting hole (1-2), radially uniform on the external peripheral surface of cutter head (2-3) multiple cutter tooth is set.
2. one processes the anti-reamer of high-pressure shaft bearing according to claim 1, it is characterized in that: the quantity of the upper cutter tooth of described cutter head (2-3) is eight, and the anterior angle of each cutter tooth is 3 °, and the relief angle of each cutter tooth is 8 °.
3. one processes the anti-reamer of high-pressure shaft bearing according to claim 1, it is characterized in that: the conicity of described caudal peduncle (1) is No. four, Mohs.
4. one processes the anti-reamer of high-pressure shaft bearing according to claim 1, it is characterized in that: symmetric about the axisly on the external peripheral surface of described caudal peduncle (1) bigger diameter end be provided with two the first clamping planes (1-4), symmetric about the axisly on the external peripheral surface of one end of the upper knife bar (2-1) of anti-reamer (2) be provided with two the second clamping planes (2-1-1).
5. one processes the anti-reamer of high-pressure shaft bearing according to claim 1, it is characterized in that: the first screwed hole (1-1) that the first screwed hole (1-1) on described caudal peduncle (1) is M14, the diameter of the upper connecting hole (1-2) of caudal peduncle (1) is 16mm, the second screwed hole (1-3) that the second screwed hole (1-3) on caudal peduncle (1) is M14, the thread spindle (2-2-1) that thread spindle (2-2-1) on anti-reamer (2) is M14, the diameter of the upper connecting axle (2-2-2) of anti-reamer (2) is 16mm.
6. one processes the anti-reamer of high-pressure shaft bearing according to claim 1, it is characterized in that: described anti-reamer (2) is upper is equipped with escape (2-4) between thread spindle (2-2-1) and connecting axle (2-2-2) and between connecting axle (2-2-2) and knife bar (2-1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627104.0U CN204148653U (en) | 2014-10-27 | 2014-10-27 | The anti-reamer of a kind of processing high-pressure shaft bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420627104.0U CN204148653U (en) | 2014-10-27 | 2014-10-27 | The anti-reamer of a kind of processing high-pressure shaft bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204148653U true CN204148653U (en) | 2015-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420627104.0U Active CN204148653U (en) | 2014-10-27 | 2014-10-27 | The anti-reamer of a kind of processing high-pressure shaft bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204148653U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171144A (en) * | 2015-08-11 | 2015-12-23 | 攀钢集团攀枝花钢钒有限公司 | Long-axis part with thread at end and machining method of long-axis part |
| CN108480668A (en) * | 2018-05-21 | 2018-09-04 | 广州汇专工具有限公司 | Ultrasonic wave cutter hub and ultrasonic wave handle of a knife |
-
2014
- 2014-10-27 CN CN201420627104.0U patent/CN204148653U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105171144A (en) * | 2015-08-11 | 2015-12-23 | 攀钢集团攀枝花钢钒有限公司 | Long-axis part with thread at end and machining method of long-axis part |
| CN105171144B (en) * | 2015-08-11 | 2018-01-26 | 攀钢集团攀枝花钢钒有限公司 | The screwed long shaft part in end and its processing method |
| CN108480668A (en) * | 2018-05-21 | 2018-09-04 | 广州汇专工具有限公司 | Ultrasonic wave cutter hub and ultrasonic wave handle of a knife |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |