CN205414589U - Reamer in many steps of guide processing hole around area - Google Patents
Reamer in many steps of guide processing hole around area Download PDFInfo
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- CN205414589U CN205414589U CN201521017428.3U CN201521017428U CN205414589U CN 205414589 U CN205414589 U CN 205414589U CN 201521017428 U CN201521017428 U CN 201521017428U CN 205414589 U CN205414589 U CN 205414589U
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- band
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Abstract
The utility model discloses a reamer in many steps of guide processing hole around area, including whole columniform reamer main part and the caudal peduncle of being, guide part and back guide part before the reamer main part is provided with, it is provided with two cutting blade of group to connect through the cutter arbor between guide part and the back guide part in the front, preceding guide part, back guide part, cutter arbor and cutting blade make for whole an organic whole, the cross section diameter of preceding guide part is d0, the cross section diameter of cutter arbor is d1, cutting blade's cross section diameter is d2, the cross section diameter of front and back guide part is d3, D0 < d1 <= d2 <= d3. Adopt the utility model discloses a reamer, owing to be equipped with preceding guide part and back guide part, stability is fabulous, can obtain the true specified position of higher hole precision and calibration. Be equipped with negative edge clearance angle alpha 1 in cutting blade, like this the smear metal forward the sword discharge, can not the fish tail pore wall, can obtain the roughness of higher precision, carry high pressure heater and measure during the spare time, the feed is big, upper and lower two processing problems in holes with one heart of solution axiality.
Description
Technical field
The utility model relates to a kind of reamer in field of machining, before and after a kind of band, guide the reamer in processing multi-step hole.
Background technology
Development along with mechanical industry, shape requirements for part varies, difform part adds on lathe to use different reamers man-hour, reamer has one or more cutter tooth, rotary cutter after drilling or reaming are processed on ream part, has the finishing tool of straight sword or helical edges.Reamer, primarily to improve the machining accuracy in hole, reduces its surface roughness, is the polish for hole and semi-finished cutter, and allowance is the least.
At traditional mechanical manufacture field, carrying out the reamer of ream polish for made allowance after boring, in order to ensure nominal position precision and the tolerance in hole in hole, its reamer used is generally not with front guiding, is exactly with rear guiding, its function is to coordinate with drill bushing on drill jig, improves hole machined precision.But for having the part of upper and lower two concentric holes that axiality requires in the course of processing.In the actual production course of processing, when finding to use above-mentioned reamer to be processed, being susceptible to deflection, so that there are the upper and lower two concentric holes run-off the straights that axiality requires, part to be processed also has a number of overproof existence.Therefore, especially for the part of upper and lower two concentric holes having axiality to require on a part during carrying out ream hole machined, ensure that its dimensional accuracy and coaxiality error are all requiring within the scope of control the most to greatest extent, do not glance off, be the problem urgently needing to solve.
Utility model content
The technical problems to be solved in the utility model is for problem present in background technology, it is provided that guide the reamer in processing multi-step hole before and after a kind of band.
For solving above-mentioned technical problem, the technical scheme that this utility model is used is: guide the reamer in processing multi-step hole before and after a kind of band, including overall in cylindrical reamer body and caudal peduncle, guide part and rear guide part before described reamer body is provided with, it is connected with two groups of cutting blades by knife bar between described front guide part and rear guide part, described front guide part, rear guide part, knife bar and cutting blade are that entirety is made into integration, the cross-sectional diameter of described front guide part is d0, the cross-sectional diameter of described knife bar is d1, the cross-sectional diameter of described cutting blade is d2, the cross-sectional diameter stating before and after's guide part is d3, d0 ＜ d1≤d2≤d3.
Further, the quantity of the cutting tooth of described cutting blade is 6 or 8, and anterior angle γ is 6 °, and relief angle α is 10 °, and blade belt length f is 0.15.
Further, being additionally provided with negative edge clearance angle α 1 in described cutting blade, described negative edge clearance angle α 1 is 8 °.
Further, the side of described front guide part and rear guide part is provided with chip pocket.
Further, described reamer body material selection high speed steel material, hardness is 62～66HRC.
Further, No. 45 Steel materials of described caudal peduncle material selection, hardness is 40～45HRC, and its profile is set to taper shank structure, and its tapering matches with drilling machine.
The reamer in processing multi-step hole is guided before and after using a kind of band of the present utility model, owing to being provided with front guide part and rear guide part, during processing hole, front guide part is coordinated with the lower bush of drill jig, rear guide part coordinates with the top lining of drill jig, so excellent stability, can obtain higher hole precision and accurate nominal position.Again because being additionally provided with negative edge clearance angle α 1 in described cutting blade, so chip is discharged to front edge, hole wall will not be scratched, the roughness of degree of precision can be obtained, therefore allowance can be greatly improved, and reconditioning is easy, and service life is long, feed is also big, the bottom outlet after can being bored by the direct ream of drill jig on upright drill.Additionally can determine form and the structure of whole reamer according to the length of part to be processed concentric holes, the concrete numerical value of machining accuracy, solve the processing problems for upper and lower two concentric holes having axiality to require.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the half-sectional view of Fig. 1；
Fig. 3 is Fig. 1 top view；
Fig. 4 is the A-A profile of Fig. 2；
Fig. 5 is the B-B profile of Fig. 2；
Fig. 6 is the C-C profile of Fig. 1.
Shown in figure: guide part, 5-knife bar, 6-cutting blade, 7-chip pocket after guide part, 4-before 1-reamer body, 2-caudal peduncle, 3-.
Detailed description of the invention
As shown in Figures 1 to 6, the reamer in processing multi-step hole is guided before and after a kind of band of the present utility model, including overall in cylindrical reamer body 1 and caudal peduncle 2, guide part 3 and rear guide part 4 before described reamer body 1 is provided with, it is connected with two groups of cutting blades 6 by knife bar 5 between described front guide part 3 and rear guide part 4, described front guide part 3, rear guide part 4, knife bar 5 and cutting blade 6 are made into integration for entirety, the cross-sectional diameter of described front guide part is d0, the cross-sectional diameter of described knife bar 5 is d1, the cross-sectional diameter of described cutting blade 6 is d2, the cross-sectional diameter stating before and after's guide part 4 is d3, d0 ＜ d1≤d2≤d3.
Further, the quantity of the cutting tooth of described cutting blade 6 is 6 or 8, and anterior angle γ is 6 °, and relief angle α is 10 °, and blade belt length f is 0.15.
Further, being additionally provided with negative edge clearance angle α 1 in described cutting blade 6, described negative edge clearance angle α 1 is 8 °.
Further, the side of described front guide part 3 and rear guide part 4 is provided with chip pocket 7.
Further, described reamer body 1 material selection high speed steel material, hardness is 62～66HRC.
Further, described No. 45 Steel materials of caudal peduncle 2 material selection, hardness is 40～45HRC, and its profile is set to taper shank structure, and its tapering matches with drilling machine.
In actual use, as a example by processing two stepped holes, illustrate how reamer uses, workpiece to be processed is fixed in drill jig die cavity, bottom outlet is processed with normal drill bit, for the hole that diameter dimension selection range is Φ 15～Φ 30, general aluminium alloy stays the allowance of 0.3～0.4mm, ordinary carbon steel and steel alloy to stay the allowance of 0.2～0.3mm.The minimum dimension hole in the drill bushing selection of dimension hole to be processed coordinated bottom drill jig, leader D before reamer0Just determine diameter, reamer D by this size1～D2Part is the cutting tip in processing hole, leader D after reamer3Diameter a little than Kong Yue great to be processed, during ream, front and back guide and on drill jig, guide rotation, to process D simultaneously1～D2Concentric holes.By practice, the hole obtained is through metering, and its dimensional accuracy, axiality, roughness meet technological requirement.
The reamer in processing multi-step hole is guided before and after using a kind of band of the present utility model, owing to being provided with front guide part 3 and rear guide part 4, during processing hole, front guide part 3 is coordinated with the lower bush of drill jig, rear guide part 4 coordinates with the top lining of drill jig, so excellent stability, can obtain higher hole precision and accurate nominal position.Again because being additionally provided with negative edge clearance angle α 1 in described cutting blade 6, so chip is discharged to front edge, hole wall will not be scratched, the roughness of degree of precision can be obtained, therefore allowance can be greatly improved, and reconditioning is easy, and service life is long, feed is also big, the bottom outlet after can being bored by the direct ream of drill jig on upright drill.Additionally can determine form and the structure of whole reamer according to the length of part to be processed concentric holes, the concrete numerical value of machining accuracy, solve the processing problems for upper and lower two concentric holes having axiality to require.
Protection domain of the present utility model is not limited only to the technical scheme disclosed in detailed description of the invention; the foregoing is only better embodiment of the present utility model; it is not limiting as this utility model; every any trickle amendment, equivalent and improvement made according to the technical solution of the utility model, within should be included in the protection domain of technical solutions of the utility model.
Claims (6)
1. before and after a band, guide the reamer in processing multi-step hole, including overall in cylindrical reamer body (1) and caudal peduncle (2), it is characterized in that: described reamer body (1) is provided with front guide part (3) and rear guide part (4), it is connected with two groups of cutting blades (6) by knife bar (5) between described front guide part (3) and rear guide part (4), described front guide part (3), rear guide part (4), knife bar (5) and cutting blade (6) are that entirety is made into integration, the cross-sectional diameter of described front guide part is d0, the cross-sectional diameter of described knife bar (5) is d1, the cross-sectional diameter of described cutting blade (6) is d2, the cross-sectional diameter stating before and after's guide part (4) is d3, d0 ＜ d1≤d2≤d3.
The reamer in processing multi-step hole is guided before and after a kind of band the most according to claim 1, it is characterised in that: the quantity of the cutting tooth of described cutting blade (6) is 6 or 8, and anterior angle γ is 6 °, and relief angle α is 10 °, and blade belt length f is 0.15.
The reamer in processing multi-step hole is guided before and after a kind of band the most according to claim 2, it is characterised in that: being additionally provided with negative edge clearance angle α 1 in described cutting blade (6), described negative edge clearance angle α 1 is 8 °.
The reamer in processing multi-step hole is guided before and after a kind of band the most according to claim 1, it is characterised in that: on the side of described front guide part (3) and rear guide part (4), it is provided with chip pocket (7).
The reamer in processing multi-step hole is guided before and after a kind of band the most according to claim 1, it is characterised in that: described reamer body (1) material selection high speed steel material, hardness is 62～66HRC.
The reamer in processing multi-step hole is guided before and after a kind of band the most according to claim 1, it is characterised in that: No. 45 Steel materials of described caudal peduncle (2) material selection, hardness is 40～45HRC, and its profile is set to taper shank structure, and its tapering matches with drilling machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521017428.3U CN205414589U (en) | 2015-12-10 | 2015-12-10 | Reamer in many steps of guide processing hole around area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521017428.3U CN205414589U (en) | 2015-12-10 | 2015-12-10 | Reamer in many steps of guide processing hole around area |
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| Publication Number | Publication Date |
|---|---|
| CN205414589U true CN205414589U (en) | 2016-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201521017428.3U Active CN205414589U (en) | 2015-12-10 | 2015-12-10 | Reamer in many steps of guide processing hole around area |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735570A (en) * | 2016-12-30 | 2017-05-31 | 广西玉柴机器股份有限公司 | A kind of method for fine finishing and its servicing unit of cylinder block oil pump idle pulley axis hole |
| CN108127187A (en) * | 2018-01-02 | 2018-06-08 | 中车青岛四方机车车辆股份有限公司 | A kind of novel handcraft combination cutter |
| CN108971638A (en) * | 2018-08-15 | 2018-12-11 | 国营芜湖机械厂 | A kind of coaxial pair of bushing original position repair apparatus and its application method |
| CN109079248A (en) * | 2018-07-28 | 2018-12-25 | 国营芜湖机械厂 | A kind of aircraft special type profile lug hole hinge repairs device |
| CN114101796A (en) * | 2021-11-29 | 2022-03-01 | 成都朝合普尔航空科技有限公司 | Use method of multi-precision-hole machining tool |
| CN114472985A (en) * | 2021-12-03 | 2022-05-13 | 中航沈飞民用飞机有限责任公司 | Large-size high-precision stepped reaming cutter with front and rear guide |
-
2015
- 2015-12-10 CN CN201521017428.3U patent/CN205414589U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106735570A (en) * | 2016-12-30 | 2017-05-31 | 广西玉柴机器股份有限公司 | A kind of method for fine finishing and its servicing unit of cylinder block oil pump idle pulley axis hole |
| CN108127187A (en) * | 2018-01-02 | 2018-06-08 | 中车青岛四方机车车辆股份有限公司 | A kind of novel handcraft combination cutter |
| CN109079248A (en) * | 2018-07-28 | 2018-12-25 | 国营芜湖机械厂 | A kind of aircraft special type profile lug hole hinge repairs device |
| CN108971638A (en) * | 2018-08-15 | 2018-12-11 | 国营芜湖机械厂 | A kind of coaxial pair of bushing original position repair apparatus and its application method |
| CN114101796A (en) * | 2021-11-29 | 2022-03-01 | 成都朝合普尔航空科技有限公司 | Use method of multi-precision-hole machining tool |
| CN114472985A (en) * | 2021-12-03 | 2022-05-13 | 中航沈飞民用飞机有限责任公司 | Large-size high-precision stepped reaming cutter with front and rear guide |
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