CN103846506A - Reverse boring processing cutter device and use method thereof for hard sealing hole end surface - Google Patents
Reverse boring processing cutter device and use method thereof for hard sealing hole end surface Download PDFInfo
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- CN103846506A CN103846506A CN201410088154.0A CN201410088154A CN103846506A CN 103846506 A CN103846506 A CN 103846506A CN 201410088154 A CN201410088154 A CN 201410088154A CN 103846506 A CN103846506 A CN 103846506A
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Abstract
The invention discloses a reverse boring processing cutter device and a use method thereof for a hard sealing hole end surface. The device comprises a Morse cutter handle, a T-shaped integral reverse boring cutter and a pressing nut, wherein the middle of the Morse cutter handle is provided with a mounting hole, the T-shaped integral reverse boring cutter consists of a cutter bar and a cutter head, the pressing nut is vertically arranged at the side wall of the Morse cutter handle through threads, the end surface, facing the cutter bar, of the cutter head is provided with a main cutting blade, the outer circle surface of the cutter head is provided with an auxiliary cutting blade, the cutter bar is orthogonal with the pressing nut, the cutter bar is inserted into the cutter mounting hole, the section, inserted into the cutter mounting hole, of the cutter bar is provided with a rectangular groove, the middle of the rectangular groove is provided with a spherical groove, and the tail end of the pressing nut is provided with a spherical convex surface which is matched with the spherical concave surface. The device has the advantages that the strength of the cutter bar is effectively improved, and the breakage of the cutter bar is avoided; meanwhile, the precision is higher, the processing difficulty of roughness and position of the bottom end surface of a countersink hole is reduced, the rigidity, operability and economy of the cutter are improved, and the production efficiency is improved.
Description
Technical field
The present invention relates to Machining Technology field, be specifically related to a kind of anti-ream process tool device and using method thereof of hard closed hole end face.
Background technology
In field of machining, when φ D hole on processing workpiece as shown in Figure 1 and bottom surface thereof, under normal conditions, use the anti-countersink cutter arrangement of the conventional blade that changes the outfit to add man-hour, workpiece surface roughness, flatness and φ D aperture require to be all difficult to meet the demands, and the locked position of the anti-countersink cutter of the conventional blade that changes the outfit, at knife bar bottom face, the situation of sliding easily occurs, cause processing misalignment or tool damage, so reduced machining accuracy also easily cause processing cost raise; And traditional anti-countersink is generally split-type design, between cutter head and knife bar, be not to be fixedly connected with, though can according to requirements select different cutter heads more to bring raising flexibility, change for a long time cutter head and easily knife bar is caused to wearing and tearing, reduce precision; Meanwhile, non-rigid connection also can cause the rigidity deficiency of cutter head and knife bar, the phenomenon of easily bursting apart in the time of work; In addition, cutter head of every replacing need to carry out precision adjustment, and operating process is more loaded down with trivial details, and hand labor intensity is higher.
Notification number is that the patent document of CN202506856U discloses the anti-countersink of a kind of nest seat, it comprises tool rest, be arranged on knife bar on tool rest, be arranged on the anti-countersink cutter hub on knife bar, it also comprises blade, and described blade is arranged on the anti-countersink cutter hub end face of tool rest.Anti-countersink cutter hub is installed in one end of described knife bar, the other end of knife bar is connecting axle, on described connecting axle, offer draw-in groove, the end of described tool rest offers the installing hole coordinating with connecting axle, on described tool rest, also offer the pin-and-hole corresponding with draw-in groove, it also comprises inserts the latch being connected with draw-in groove after pin-and-hole.When use, knife bar is inserted the bolt hole of flywheel shell of engine inner chamber from the back side, and the cutter hub installation portion of knife bar is stretched out outside bolt hole, and then anti-countersink cutter hub is arranged on knife bar, the blade of anti-countersink cutter hub and machined surface laminating, now just can drive the anti-countersink processing bolt of nest seat nest seat.In this scheme, complete fixing knife bar by latch, draw-in groove and pin-and-hole, avoid knife bar to rotate, but there is following shortcoming: 1. in order to improve rigidity, latch and draw-in groove size are larger, making needs cutting except the degree of depth of material increases on knife bar, has reduced the intensity of knife bar, easily causes knife bar fracture if there is swaging clamp; 2. latch inserts after pin-and-hole as being slidably connected, and the situation of latch loose or dislocation can occur, if in process, when main shaft rotation status, the situation that cutter hub comes off may occur, and has larger potential safety hazard.
Summary of the invention
The object of the present invention is to provide a kind of anti-ream process tool device and using method thereof of hard closed hole end face, to solve, existing cutter mounting or dismounting precision in prior art can not meet the demands, cutter rigidity deficiency, working (machining) efficiency is low and method of operating is numerous and diverse problem.
The object of the invention is to be achieved by following technical solution:
A kind of anti-ream process tool device of hard closed hole end face, comprise that middle part has the Mohs handle of a knife in Cutting tool installation manner hole, also comprise the T font being formed by knife bar and cutter head Integral back countersink, be vertically mounted on the clamp nut of Mohs handle side walls by screw thread, cutter head is main cutting edge on the end face of knife bar direction, cutter head periphery is front cutting edge, the orthogonal thereto layout of knife bar and clamp nut; Knife bar is inserted in Cutting tool installation manner hole, and knife bar inserts in the segmentation in Cutting tool installation manner hole and has rectangular channel, and rectangular channel middle part has ball recess, and described clamp nut bottom end is provided with the spherical convex surface matching with ball recess.
The point of a knife external diameter φ D1 of described main cutting edge is than the little 0.05～0.07mm of full-size that needs the counterbore internal diameter φ D processing on workpiece.
Described front cutting edge tail end external diameter φ D2 is less than the point of a knife external diameter φ D1 of main cutting edge.
The degree of depth of described spherical groove is 3～5mm, and orifice diameter is than the little 0.5～1mm of screw thread path of clamp nut.
Described knife bar diameter phi d1 size is than the little 0.05～0.1mm of locating hole internal diameter φ d on workpiece, than the little 0.005～0.01mm of Cutting tool installation manner hole internal diameter φ d2.
The radius tolerances of spherical convex surface is got tolerance above freezing by IT13, and the radius tolerances of ball recess is got subzero tolerance by IT13.
The thickness L of described cutter head is 8～20mm.
A using method for the anti-ream process tool device of hard closed hole end face, the method comprises the following steps:
(A) by Mohs handle of a knife clamping on machine tool chief axis, unclamp clamp nut, then the knife bar of Integral back countersink passed in the locating hole from workpiece, and insert in the Cutting tool installation manner hole of Mohs handle of a knife middle part offering;
(B) rotate and move forward and backward Integral back countersink, make the rectangular channel of offering on knife bar towards clamp nut, and ball recess in rectangular channel fully contacts with the spherical convex surface of clamp nut end, tighten clamp nut and complete installation;
(C) start lathe and drive main shaft forward, knife bar and cutter head are made feed motion to main spindle box direction, and the main cutting edge in feeding process on cutter head and front cutting edge complete respectively the cutting of counterbore bottom surface and sidewall, and feeding is cut to and requires behind position, stop moving, keep 10 seconds of the speed of mainshaft;
(D) after having cut, main shaft, to workpiece lateroprotrusion, allows cutter head leave cutting zone, stops main shaft and rotates, and unscrews clamp nut, takes off Integral back countersink.
In described step (B), complete after Cutting tool installation manner, between Mohs handle of a knife and workpiece, be provided with the safe spacing of 5～8mm.
The invention has the beneficial effects as follows:
Compared with prior art, anti-ream process tool device and the using method thereof of hard closed hole end face provided by the invention, change cutting cutlery into integral end anti-countersink, jointly complete the fixing of knife bar by the ball recess in spherical convex surface and the knife bar rectangular channel of spherical clamp nut end, without the draw-in groove that knife bar is cut to large-size, ensure the intensity of knife bar, avoided knife bar to rupture, improved security performance; There is higher precision simultaneously, thereby the processing aperture size of counterbore and the roughness of bottom face thereof, position degree requirement are ensured, reduce the roughness of counterbore bottom face and the difficulty of processing of position degree, improved cutter rigidity, operability and economy, improved production efficiency.
Brief description of the drawings
Fig. 1 is the structural representation that needs processing work;
Fig. 2 is structural representation of the present invention;
Fig. 3 is the structure chart of anti-countersink in the present invention;
Fig. 4 is the structure chart of Mohs side-strengthened handle of a knife in the present invention;
Fig. 5 is working state schematic representation of the present invention;
In figure: 1-Mohs handle of a knife, 2-clamp nut, 3-knife bar, 4-cutter head, 5-rectangular channel, 6-ball recess, 7-main cutting edge, 8-front cutting edge, the spherical convex surface of 9-, 10-workpiece, 11-locating hole, 12-counterbore, 13-Cutting tool installation manner hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme of the present invention is described further, but described in desired protection domain is not limited to;
As shown in Fig. 2,3 and 4, the anti-ream process tool device of hard closed hole end face provided by the invention, comprise that middle part has the Mohs handle of a knife 1 in Cutting tool installation manner hole 13, also comprise the Integral back countersink of the T font being formed by knife bar 3 and cutter head 4, be vertically mounted on the clamp nut 2 of Mohs handle of a knife 1 sidewall by screw thread, cutter head 4 is main cutting edge 7 on the end face of knife bar 3 directions, cutter head 4 peripheries are front cutting edge 8, knife bar 3 and the orthogonal thereto layout of clamp nut 2; Knife bar 3 is inserted in Cutting tool installation manner hole 13, and knife bar 3 inserts in the segmentation in Cutting tool installation manner hole 13 and has rectangular channel 5, and rectangular channel 5 middle parts have ball recess 6, and described clamp nut 2 bottom end are provided with the spherical convex surface 9 matching with ball recess 6.
The point of a knife external diameter φ D1 of described main cutting edge 7 is than the little 0.05～0.07mm of full-size that needs the counterbore 12 internal diameter φ D that process on workpiece 10; It can, for the reserved allowance of following process, ensure machining accuracy.
In order to ensure the smooth-going cutting of cutter head 4 in feeding process, described front cutting edge 8 tail end external diameter φ D2 are less than the point of a knife external diameter φ D1 of main cutting edge 7.
In order to ensure that knife bar 3 is firm under the effect of clamp nut 2, the degree of depth of described spherical groove 6 is 3～5mm, and orifice diameter is than the little 0.5～1mm of screw thread path of clamp nut 2.
For the ease of knife bar 3, in the interior slip adjustment of locating hole 11 and Cutting tool installation manner hole 13, described knife bar 3 diameter phi d1 sizes are than the little 0.05～0.1mm of locating hole 11 internal diameter φ d on workpiece 10, than the little 0.005～0.01mm of Cutting tool installation manner hole 13 internal diameter φ d2.
The radius tolerances of spherical convex surface 9 is got tolerance above freezing by IT13, and the radius tolerances of ball recess 6 is got subzero tolerance by IT13.
In order to ensure the rigidity of cutter head 4, prevent the generation of the situation of bursting apart, the thickness L of described cutter head 4 is 8～20mm.
Need process the counterbore 12 on workpiece 10 as shown in Figure 1 time:
Embodiment 1: selecting thickness L is 8mm, the point of a knife external diameter φ D1 of main cutting edge 7 is than the cutter head of the little 0.05mm of full-size of counterbore 12 internal diameter φ D that needs processing on workpiece 10, first by Mohs handle of a knife 1 clamping on machine tool chief axis, unclamp clamp nut 2, again the knife bar of Integral back countersink 3 is passed in the locating hole 11 from workpiece 10, and insert in the Cutting tool installation manner hole 13 of offering at Mohs handle of a knife 1 middle part, for the ease of knife bar 3 in the interior slip adjustment of locating hole 11 and Cutting tool installation manner hole 13, described knife bar 3 diameter phi d1 sizes are than the little 0.05mm of locating hole 11 internal diameter φ d on workpiece 10, than the little 0.005mm of Cutting tool installation manner hole 13 internal diameter φ d2, rotate and move forward and backward Integral back countersink, make the rectangular channel 5 of offering on knife bar 3 towards clamp nut 2, and the dark ball recess 6 of 3mm in rectangular channel 5 fully contacts with the spherical convex surface 9 of clamp nut 2 ends, and the orifice diameter of ball recess 6 is than the little 0.5mm of screw thread path of clamp nut 2, tighten clamp nut 2 and complete installation, after installation, ensure to be provided with between Mohs handle of a knife 1 and workpiece 10 safe spacing of 5mm, start lathe and drive main shaft forward, knife bar 3 and cutter head 4 are made feed motion to main spindle box direction, main cutting edge 7 in feeding process on cutter head 4 and front cutting edge 8 complete respectively the cutting of counterbore 12 bottom surfaces and sidewall, feeding is cut to and requires behind position, stop moving, keep 10 seconds of the speed of mainshaft, after having cut, main shaft, to workpiece 10 lateroprotrusions, allows cutter head 4 leave cutting zone, stops main shaft and rotates, and unscrews clamp nut 2, takes off Integral back countersink and can process next time.
Embodiment 2: selecting thickness L is 13mm, the point of a knife external diameter φ D1 of main cutting edge 7 is than the cutter head of the little 0.06mm of full-size of counterbore 12 internal diameter φ D that needs processing on workpiece 10, first by Mohs handle of a knife 1 clamping on machine tool chief axis, unclamp clamp nut 2, again the knife bar of Integral back countersink 3 is passed in the locating hole 11 from workpiece 10, and insert in the Cutting tool installation manner hole 13 of offering at Mohs handle of a knife 1 middle part, for the ease of knife bar 3 in the interior slip adjustment of locating hole 11 and Cutting tool installation manner hole 13, described knife bar 3 diameter phi d1 sizes are than the little 0.08mm of locating hole 11 internal diameter φ d on workpiece 10, than the little 0.008mm of Cutting tool installation manner hole 13 internal diameter φ d2, rotate and move forward and backward Integral back countersink, make the rectangular channel 5 of offering on knife bar 3 towards clamp nut 2, and the dark ball recess 6 of 4mm in rectangular channel 5 fully contacts with the spherical convex surface 9 of clamp nut 2 ends, and the orifice diameter of ball recess 6 is than the little 0.7mm of screw thread path of clamp nut 2, tighten clamp nut 2 and complete installation, after installation, ensure to be provided with between Mohs handle of a knife 1 and workpiece 10 safe spacing of 6mm, start lathe and drive main shaft forward, knife bar 3 and cutter head 4 are made feed motion to main spindle box direction, main cutting edge 7 in feeding process on cutter head 4 and front cutting edge 8 complete respectively the cutting of counterbore 12 bottom surfaces and sidewall, feeding is cut to and requires behind position, stop moving, keep 10 seconds of the speed of mainshaft, after having cut, main shaft, to workpiece 10 lateroprotrusions, allows cutter head 4 leave cutting zone, stops main shaft and rotates, and unscrews clamp nut 2, takes off Integral back countersink and can process next time.
Embodiment 3: selecting thickness L is 20mm, the point of a knife external diameter φ D1 of main cutting edge 7 is than the cutter head of the little 0.1mm of full-size of counterbore 12 internal diameter φ D that needs processing on workpiece 10, first by Mohs handle of a knife 1 clamping on machine tool chief axis, unclamp clamp nut 2, again the knife bar of Integral back countersink 3 is passed in the locating hole 11 from workpiece 10, and insert in the Cutting tool installation manner hole 13 of offering at Mohs handle of a knife 1 middle part, for the ease of knife bar 3 in the interior slip adjustment of locating hole 11 and Cutting tool installation manner hole 13, described knife bar 3 diameter phi d1 sizes are than the little 0.1mm of locating hole 11 internal diameter φ d on workpiece 10, than the little 0.01mm of Cutting tool installation manner hole 13 internal diameter φ d2, rotate and move forward and backward Integral back countersink, make the rectangular channel 5 of offering on knife bar 3 towards clamp nut 2, and the dark ball recess 6 of 5mm in rectangular channel 5 fully contacts with the spherical convex surface 9 of clamp nut 2 ends, and the orifice diameter of ball recess 6 is than the little 1.0mm of screw thread path of clamp nut 2, tighten clamp nut 2 and complete installation, after installation, ensure to be provided with between Mohs handle of a knife 1 and workpiece 10 safe spacing of 8mm, start lathe and drive main shaft forward, knife bar 3 and cutter head 4 are made feed motion to main spindle box direction, main cutting edge 7 in feeding process on cutter head 4 and front cutting edge 8 complete respectively the cutting of counterbore 12 bottom surfaces and sidewall, feeding is cut to and requires behind position, stop moving, keep 10 seconds of the speed of mainshaft, after having cut, main shaft, to workpiece 10 lateroprotrusions, allows cutter head 4 leave cutting zone, stops main shaft and rotates, and unscrews clamp nut 2, takes off Integral back countersink and can process next time.
Claims (9)
1. the anti-ream process tool device of a hard closed hole end face, comprise that middle part has the Mohs handle of a knife (1) in Cutting tool installation manner hole (13), it is characterized in that: also comprise the Integral back countersink of the T font being formed by knife bar (3) and cutter head (4), be vertically mounted on the clamp nut (2) of Mohs handle of a knife (1) sidewall by screw thread, cutter head (4) is main cutting edge (7) on the end face of knife bar (3) direction, cutter head (4) periphery is front cutting edge (8), knife bar (3) and the orthogonal thereto layout of clamp nut (2); Knife bar (3) is inserted in Cutting tool installation manner hole (13), knife bar (3) inserts in the segmentation in Cutting tool installation manner hole (13) and has rectangular channel (5), rectangular channel (5) middle part has ball recess (6), and described clamp nut (2) bottom end is provided with the spherical convex surface (9) matching with ball recess (6).
2. the anti-ream process tool device of hard closed hole end face according to claim 1, is characterized in that: the point of a knife external diameter φ D1 of described main cutting edge (7) is than the little 0.05～0.07mm of full-size that needs counterbore (12) the internal diameter φ D processing on workpiece (10).
3. the anti-ream process tool device of hard closed hole end face according to claim 1, is characterized in that: described front cutting edge (8) tail end external diameter φ D2 is less than the point of a knife external diameter φ D1 of main cutting edge (7).
4. the anti-ream process tool device of hard closed hole end face according to claim 1, is characterized in that: the degree of depth of described spherical groove (6) is 3～5mm, and orifice diameter is than the little 0.5～1mm of screw thread path of clamp nut (2).
5. the anti-ream process tool device of hard closed hole end face according to claim 1, it is characterized in that: described knife bar (3) diameter phi d1 size is than the little 0.05～0.1mm of locating hole (11) internal diameter φ d on workpiece (10), than the little 0.005～0.01mm of Cutting tool installation manner hole (13) internal diameter φ d2.
6. the anti-ream process tool device of hard closed hole end face according to claim 1, is characterized in that: the radius tolerances of spherical convex surface (9) is got tolerance above freezing by IT13, and the radius tolerances of ball recess (6) is got subzero tolerance by IT13.
7. the anti-ream process tool device of hard closed hole end face according to claim 1, is characterized in that: the thickness L of described cutter head (4) is 8～20mm.
8. a using method for the anti-ream process tool device of hard closed hole end face as claimed in claim 1, is characterized in that: the method comprises the following steps:
(A) by Mohs handle of a knife (1) clamping on machine tool chief axis, unclamp clamp nut (2), again the knife bar of Integral back countersink (3) is passed in the locating hole (11) from workpiece (10), and insert in the Cutting tool installation manner hole (13) of offering at Mohs handle of a knife (1) middle part;
(B) rotate and move forward and backward Integral back countersink, make the rectangular channel (5) of offering on knife bar (3) towards clamp nut (2), and the ball recess (6) in rectangular channel (5) fully contacts with the spherical convex surface (9) of clamp nut (2) end, tightens clamp nut (2) and completes installation;
(C) start lathe and drive main shaft forward, knife bar (3) and cutter head (4) are made feed motion to main spindle box direction, main cutting edge (7) on cutter head in feeding process (4) and front cutting edge (8) complete respectively the cutting of counterbore (12) bottom surface and sidewall, feeding is cut to and requires behind position, stop moving, keep 10 seconds of the speed of mainshaft;
(D) after having cut, main shaft, to workpiece (10) lateroprotrusion, allows cutter head (4) leave cutting zone, stops main shaft and rotates, and unscrews clamp nut (2), takes off Integral back countersink.
9. the using method of the anti-ream process tool device of hard closed hole end face according to claim 8, is characterized in that: in described step (B), complete after Cutting tool installation manner, be provided with the safe spacing of 5～8mm between Mohs handle of a knife (1) and workpiece (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088154.0A CN103846506B (en) | 2014-03-11 | 2014-03-11 | The anti-ream process tool device of a kind of hard sealing hole end surface and using method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410088154.0A CN103846506B (en) | 2014-03-11 | 2014-03-11 | The anti-ream process tool device of a kind of hard sealing hole end surface and using method thereof |
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| Publication Number | Publication Date |
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| CN103846506A true CN103846506A (en) | 2014-06-11 |
| CN103846506B CN103846506B (en) | 2016-08-17 |
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| CN201410088154.0A Expired - Fee Related CN103846506B (en) | 2014-03-11 | 2014-03-11 | The anti-ream process tool device of a kind of hard sealing hole end surface and using method thereof |
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| CN (1) | CN103846506B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107639246A (en) * | 2017-11-02 | 2018-01-30 | 北京沃尔德金刚石工具股份有限公司 | A kind of cutter bindiny mechanism and the cutter with the bindiny mechanism |
| CN107838481A (en) * | 2017-11-12 | 2018-03-27 | 江苏瑞尔隆鼎实业有限公司 | A kind of eccentric anti-spot-facing cutter |
| CN110465907A (en) * | 2019-08-12 | 2019-11-19 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of cross screw driver conehead and its processing method |
| CN110480099A (en) * | 2019-07-17 | 2019-11-22 | 苏州名匠阀门设备有限公司 | A kind of process tool and processing method for workpiece reverse side counterbore |
| CN113732331A (en) * | 2021-08-27 | 2021-12-03 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
| CN115229255A (en) * | 2022-07-07 | 2022-10-25 | 沈阳飞机工业（集团）有限公司 | Device for monitoring depth of reverse countersinking and applying force |
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| CN110465907A (en) * | 2019-08-12 | 2019-11-19 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of cross screw driver conehead and its processing method |
| CN113732331A (en) * | 2021-08-27 | 2021-12-03 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
| CN113732331B (en) * | 2021-08-27 | 2022-10-14 | 沈阳鼓风机集团核电泵业有限公司 | High-precision adjustable reverse nest cutting tool and using method thereof |
| CN115229255A (en) * | 2022-07-07 | 2022-10-25 | 沈阳飞机工业（集团）有限公司 | Device for monitoring depth of reverse countersinking and applying force |
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| CN103846506B (en) | 2016-08-17 |
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