CN203738159U - Reverse countersinking machining tool device - Google Patents
Reverse countersinking machining tool device Download PDFInfo
- Publication number
- CN203738159U CN203738159U CN201420108580.1U CN201420108580U CN203738159U CN 203738159 U CN203738159 U CN 203738159U CN 201420108580 U CN201420108580 U CN 201420108580U CN 203738159 U CN203738159 U CN 203738159U
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- cutter
- knife bar
- knife
- tool device
- cutting edge
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Abstract
The utility model discloses a reverse countersinking machining tool device which comprises a Morse cutter handle, a T-shaped integral type reverse countersinking cutter and a compression nut, wherein a cutter mounting hole is formed in the middle of the Morse cutter handle; the integral type reverse countersinking cutter comprises a cutter bar and a cutter head; the compression nut is perpendicularly mounted on the side wall of the Morse cutter handle through threads; the end surface, facing the cutter bar, of the cutter head is a main cutting edge, an outer round surface of the cutter head is an auxiliary cutting edge, and the cutting bar and the compression nut are orthogonally arranged; the cutter bar is inserted into the cutter mounting hole, a rectangular groove is formed in the subsection, inserted into the cutter mounting hole, of the cutter bar, and a spherical groove is formed in the middle of the rectangular groove; and a spherical convex surface matched with the spherical groove is formed in the tail end of the bottom of the compression nut. According to the reverse countersinking machining tool device, the strength of the cutter bar is effectively improved, and the cutter bar is prevented from breaking; and meanwhile, higher accuracy is provided, the machining difficulty of roughness and location of the bottom end surface of a countersink is reduced, the rigidity, the operability and the economic efficiency of the cutter are improved, and the production efficiency is improved.
Description
Technical field
The utility model relates to Machining Technology field, is specifically related to a kind of anti-ream process tool device.
Background technology
In field of machining, when the 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, and then reduced machining accuracy and also easily cause processing cost to 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 of cutter head and knife bar not enough, the phenomenon of easily bursting apart when 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.During 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, by latch, draw-in groove and pin-and-hole, complete fixing knife bar, 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, if there is swaging clamp, easily causes knife bar fracture; 2. latch inserts after pin-and-hole as being slidably connected, and the situation of latch loose or dislocation can occur, if in process, during main shaft rotation status, the situation that cutter hub comes off may occur, and has larger potential safety hazard.
Utility model content
The purpose of this utility model is to provide a kind of anti-ream process tool device, to solve the problem that in prior art, existing cutter mounting or dismounting precision can not meet the demands, cutter rigidity is not enough, working (machining) efficiency is low and method of operating is numerous and diverse.
The purpose of this utility model is achieved by following technical solution:
A kind of anti-ream process tool device, 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, by screw thread, be vertically mounted on the clamp nut of Mohs handle side walls, 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 of 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 ball recess 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.
The beneficial effects of the utility model are:
Compared with prior art, the anti-ream process tool device that the utility model provides, change cutting cutlery into integral end anti-countersink, spherical convex surface and the ball recess in knife bar rectangular channel by spherical clamp nut end complete the fixing of knife bar jointly, without knife bar being cut to the draw-in groove of large-size, guarantee 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 have been guaranteed, reduce the roughness of counterbore bottom face and the difficulty of processing of position degree, improved cutter rigidity, operability and economy, improved production efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation that needs processing work;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is the structure chart of anti-countersink in the utility model;
Fig. 4 is the structure chart of Mohs side-strengthened handle of a knife in the utility model;
Fig. 5 is working state schematic representation of the present utility model;
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.
The specific embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model 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 that the utility model provides, comprise that middle part has the Mohs handle of a knife 1 in Cutting tool installation manner hole 13, also comprise the T font being formed by knife bar 3 and cutter head 4 Integral back countersink, by screw thread, be vertically mounted on the clamp nut 2 of Mohs handle of a knife 1 sidewall, 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, in the segmentation that knife bar 3 inserts in Cutting tool installation manner hole 13, 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 of processing on workpiece 10; It can, for the reserved allowance of following process, guarantee machining accuracy.
In order to guarantee 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 guarantee that knife bar 3 is firm under the effect of clamp nut 2, the degree of depth of described ball recess 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 guarantee 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.
In the time of need processing the counterbore 12 on workpiece 10 as shown in Figure 1:
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 the counterbore 12 internal diameter φ D that need on workpiece 10 to process, 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 from workpiece 10 11, 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 ball recess 6 that the 3mm in rectangular channel 5 is dark 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, guarantee 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 the counterbore 12 internal diameter φ D that need on workpiece 10 to process, 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 from workpiece 10 11, 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 ball recess 6 that the 4mm in rectangular channel 5 is dark 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, guarantee 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 the counterbore 12 internal diameter φ D that need on workpiece 10 to process, 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 from workpiece 10 11, 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 ball recess 6 that the 5mm in rectangular channel 5 is dark 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, guarantee 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 (7)
1. an anti-ream process tool device, 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 T font being formed by knife bar (3) and cutter head (4) Integral back countersink, by screw thread, be vertically mounted on the clamp nut (2) of Mohs handle of a knife (1) sidewall, 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. anti-ream process tool device 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 of processing on workpiece (10).
3. anti-ream process tool device 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. anti-ream process tool device according to claim 1, is characterized in that: the degree of depth of described ball recess (6) is 3～5mm, and orifice diameter is than the little 0.5～1mm of screw thread path of clamp nut (2).
5. anti-ream process tool device 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. anti-ream process tool device 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. anti-ream process tool device according to claim 1, is characterized in that: the thickness L of described cutter head (4) is 8～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108580.1U CN203738159U (en) | 2014-03-11 | 2014-03-11 | Reverse countersinking machining tool device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420108580.1U CN203738159U (en) | 2014-03-11 | 2014-03-11 | Reverse countersinking machining tool device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738159U true CN203738159U (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420108580.1U Expired - Fee Related CN203738159U (en) | 2014-03-11 | 2014-03-11 | Reverse countersinking machining tool device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738159U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846506A (en) * | 2014-03-11 | 2014-06-11 | 贵州凯星液力传动机械有限公司 | Reverse boring processing cutter device and use method thereof for hard sealing hole end surface |
| CN106694931A (en) * | 2016-12-15 | 2017-05-24 | 宁夏共享精密加工有限公司 | Reverse counterboring machining method for magnetic drill |
| CN110000414A (en) * | 2019-03-29 | 2019-07-12 | 太仓瑞鼎精密机械科技有限公司 | Side fills gang tool |
-
2014
- 2014-03-11 CN CN201420108580.1U patent/CN203738159U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103846506A (en) * | 2014-03-11 | 2014-06-11 | 贵州凯星液力传动机械有限公司 | Reverse boring processing cutter device and use method thereof for hard sealing hole end surface |
| CN103846506B (en) * | 2014-03-11 | 2016-08-17 | 贵州凯星液力传动机械有限公司 | The anti-ream process tool device of a kind of hard sealing hole end surface and using method thereof |
| CN106694931A (en) * | 2016-12-15 | 2017-05-24 | 宁夏共享精密加工有限公司 | Reverse counterboring machining method for magnetic drill |
| CN106694931B (en) * | 2016-12-15 | 2018-08-24 | 宁夏共享精密加工有限公司 | A kind of processing method of the anti-spot-facing of magnetic drill press |
| CN110000414A (en) * | 2019-03-29 | 2019-07-12 | 太仓瑞鼎精密机械科技有限公司 | Side fills gang tool |
| CN110000414B (en) * | 2019-03-29 | 2024-01-05 | 太仓瑞鼎精密机械科技有限公司 | Side-mounted combined cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20170311 |