CN220659258U - Double-sided constraint taper shank self-guiding boring cutter - Google Patents
Double-sided constraint taper shank self-guiding boring cutter Download PDFInfo
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- CN220659258U CN220659258U CN202322238482.1U CN202322238482U CN220659258U CN 220659258 U CN220659258 U CN 220659258U CN 202322238482 U CN202322238482 U CN 202322238482U CN 220659258 U CN220659258 U CN 220659258U
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- cutting edge
- pcd
- cutter body
- cutter
- guide bar
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- 238000005520 cutting process Methods 0.000 claims abstract description 37
- 239000000956 alloy Substances 0.000 claims abstract description 26
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 25
- 238000003825 pressing Methods 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 29
- 230000000452 restraining effect Effects 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 9
- 238000003754 machining Methods 0.000 description 6
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 230000004807 localization Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Cutting Tools, Boring Holders, And Turrets (AREA)
Abstract
The utility model discloses a double-sided constraint taper shank self-guiding boring cutter which comprises a fixed base, a hard alloy taper and a connecting block, wherein the hard alloy taper is positioned between the fixed base and the connecting block; the cutter body is connected with one side of the supporting cutting edge, and the other side of the supporting cutting edge is connected with the connecting block; the cutter body further comprises a PCD guide bar, a pressing plate screw, a plurality of first adjusting screws and a chip removing space, wherein every two first adjusting screws are positioned on the same horizontal line, the PCD guide bar is positioned on the surface of one end of the cutter body, which is far away from the supporting cutting edge, one side of the PCD guide bar is provided with the chip removing space, and the first adjusting screws are positioned on the surface of one side of the cutter body, which is close to the PCD guide bar; the cutter also comprises a blade and a cutting edge, wherein the blade is arranged above one end of the PCD guide bar, which is far away from the supporting cutting edge; the device realizes extremely high repeated positioning precision by additionally arranging the high-precision FES hard alloy conducting bar cutter with double-sided constraint positioning, and avoids the process of resetting parameters in the program after cutter replacement.
Description
Technical Field
The utility model relates to the technical field of boring cutters, in particular to a double-sided constraint taper shank self-guiding boring cutter.
Background
The finish machining reamer of the guide pipe hole of the cylinder cover of the diesel engine is extremely complex in manufacture due to the fact that the taper shank restrained by the two sides is made of hard alloy materials and the self-guiding reamer with the replaceable blade is adopted, so that the finish machining reamer is monopolized by Mapal in Germany for a long time, the delivery period is long, and the machining cost is high. At present, most of the scheme designs of domestic cutters adopt conventional integral hard alloy straight shank reamer, the repeated positioning accuracy is difficult to meet the processing requirement, and the use cost is high.
The coaxiality and form and position tolerance requirements of the main shaft hole of the cylinder block are higher, a special tool for boring the main shaft hole is designed, the tool is special, the tool has no uniformity in the trial production of multiple products, and when the tool is used, the boring tool vibrates due to the fact that the boring rod for boring the main shaft hole is overhung too much, so that the machining precision of the main shaft hole is reduced.
In order to solve the technical problems, the Chinese patent application with publication number of CN214443148U discloses the technical field of boring cutters, and discloses a self-guiding boring cutter for a main shaft hole of a cylinder body, which comprises a cutter body, a boring cutter, a first bearing, a second bearing, a spacer bush, a guide sleeve and an end cover. When a main shaft hole is bored, the guide sleeve stretches into the next-gear main shaft hole to form a guide fixing function, so that vibration of a boring cutter caused by overlong overhanging of a boring rod for boring the main shaft hole is prevented, the machining difficulty and roughness of the main shaft hole are reduced, and the machining precision is improved; the structure increases the stability of the boring cutter to a certain extent, but only the self-guiding is fixed, and the locating point still needs to be found repeatedly, so that the double-sided constraint taper shank self-guiding boring cutter with double-sided constraint and extremely high repeated locating precision is designed, and the process of resetting parameters in a procedure after cutter replacement can be avoided.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the following technical scheme: the double-sided constraint taper shank self-guiding boring cutter comprises a fixed base, a hard alloy taper and a connecting block, wherein the diameter of one side of the hard alloy taper, which is close to the fixed base, is larger than that of the other side of the hard alloy taper, and the hard alloy taper is positioned between the fixed base and the connecting block; the cutter body is connected with one side of the supporting cutting edge, and the other side of the supporting cutting edge is connected with the connecting block; the cutter body further comprises a PCD guide bar, a pressing plate screw, a plurality of first adjusting screws and a chip removal space, wherein every two first adjusting screws are positioned on the same horizontal line, the PCD guide bar is positioned on the surface of one end of the cutter body, which is far away from the supporting cutting edge, one side of the PCD guide bar is provided with the chip removal space, and the first adjusting screws are positioned on the surface of one side of the cutter body, which is close to the PCD guide bar; the PCD guide strip also comprises a blade and a cutting edge, wherein the cutting edge is inclined outwards, and the blade is arranged above one end of the PCD guide strip, which is far away from the supporting cutting edge.
Preferably, the fixing base is further provided with a clamping groove, and the clamping groove is located on one side, far away from the hard alloy cone, of the fixing base.
Preferably, the supporting blade band further comprises a plurality of second adjusting screws, and the second adjusting screws are close to the surfaces of the two ends of the supporting blade band.
Preferably, the chip removing device further comprises a drain hole, wherein the drain hole is positioned on the side surface of the chip removing space, which is close to one side of the supporting cutting edge.
Preferably, the cutter further comprises a cooling strip and a cooling space, wherein the cooling space penetrates through the fixing base, the hard alloy cone, the connecting block, the supporting cutting edge, the cutter body and the cooling strip, the center line of the hard alloy cone, the center line of the connecting block, the center line of the supporting cutting edge, the center line of the cutter body and the center line of the cooling strip are collinear, the cooling strip is located on the center line of the cutter body, and the cooling space is communicated with the drain hole.
Compared with the prior art, the utility model has the following beneficial effects:
1. the repeated positioning precision is extremely high, and the procedure of resetting parameters in the procedure after the tool is replaced is avoided.
2. And the supporting cutting edge on the hard alloy cutter bar effectively ensures the cylindricity of the machined hole.
3. The front end of the cutter body is brazed with the hard alloy taper shank by adopting a heavy metal material, and the characteristics of PCD guide bar welding grooves, machine clamping strip blade grooves, inner cooling holes, adjusting screw holes, pressing plate screw holes and the like can be processed on the cutter body.
4. The PCD conducting bar has the characteristics of good thermal conductivity, ultrahigh hardness and extremely small friction coefficient, so that the technical indexes such as form and position tolerance, dimensional tolerance, surface roughness and the like processed by the PCD conducting bar stably and completely meet the requirements of drawing.
5. The complete localization of the main-closing procedure cutters of key parts of the automobile engine is realized.
Drawings
Fig. 1 is a front view of an embodiment of the present utility model.
Fig. 2 is a top view of an embodiment of the present utility model.
Fig. 3 is a right side view of an embodiment of the present utility model.
Fig. 4 is a schematic view of a blade structure according to an embodiment of the present utility model.
FIG. 5 is a schematic view of a cooling bar according to an embodiment of the present utility model.
In the figure, 1 a fixed base, 2 a hard alloy cone, 3 a connecting block, 4 a supporting cutting edge, 5 a cutter body, 6 a PCD guide bar, 7 a blade, 8 a clamping groove, 9 a first adjusting screw, 10 a cooling bar, 11 a second adjusting screw, 12 a pressing plate screw, 13 a cooling space, 14 a water drain hole, 15 a chip removing space and 16 a cutting edge.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
1-5, a double-sided constraint taper shank self-guiding boring cutter comprises a fixed base 1, a hard alloy taper 2 and a connecting block 3, wherein the diameter of one side of the hard alloy taper 2, which is close to the fixed base 1, is larger than that of the other side, and the hard alloy taper 2 is positioned between the fixed base 1 and the connecting block 3; the cutter also comprises a supporting cutting edge 4 and a cutter body 5, wherein one side of the supporting cutting edge 4 is connected with the cutter body 5, and the other side of the supporting cutting edge 4 is connected with the connecting block 3; the cutter body 5 further comprises a PCD guide bar 6, a pressing plate screw 12, a plurality of first adjusting screws 9 and a chip removal space 15, wherein every two first adjusting screws 9 are positioned on the same horizontal line, the PCD guide bar 6 is positioned on the surface of one end of the cutter body 5 far away from the supporting cutting edge 4, the chip removal space 15 is formed in one side of the PCD guide bar 6, and the first adjusting screws 9 are positioned on the surface of one side of the cutter body 5 close to the PCD guide bar 6; the cutter also comprises a cutter blade 7 and a cutter blade 16, wherein the cutter blade 16 is inclined outwards, and the cutter blade 7 is arranged above one end of the PCD guide bar 6 far away from the supporting cutting edge 4; by adding the hard alloy cone and matching with the PCD guide bar, extremely high repeated positioning accuracy is realized, and the procedure of resetting parameters in the procedure after tool replacement is avoided; the supporting cutting edge on the hard alloy cutter bar effectively ensures the cylindricity of the machined hole; the front end of the cutter body is brazed with the hard alloy taper shank by adopting a heavy metal material, and the characteristics of PCD guide bar welding grooves, machine clamping strip blade grooves, inner cooling holes, adjusting screw holes, pressing plate screw holes and the like can be processed on the cutter body; the PCD conducting bar has the characteristics of good thermal conductivity, ultrahigh hardness and extremely small friction coefficient, so that the technical indexes such as form and position tolerance, dimensional tolerance, surface roughness and the like processed by the PCD conducting bar stably and completely meet the requirements of drawing; the complete localization of the main-closing procedure cutters of key parts of the automobile engine is realized.
As shown in fig. 1-5, the fixing base 1 is further provided with a clamping groove 8, the clamping groove 8 is positioned on one side, far away from the hard alloy cone 2, of the fixing base 1, and the stability of the boring cutter during cutting is improved and the safety during working is improved by additionally arranging the clamping groove.
As shown in fig. 1-5, the supporting edge 4 further comprises a plurality of second adjusting screws 11, and the second adjusting screws 11 are close to the surfaces of two ends of the supporting edge 4; through a plurality of adjusting screw fixation, each part's stability around increasing, improve device stability factor, improve work efficiency.
1-5, further comprising a drain hole 14, the drain hole 14 being located on a side of the clearance space 15 adjacent to the side of the supporting margin 4; through the intaking of wash port, increase piece exhaust efficiency, prevent that garrulous bits from blocking the device in the course of the work, improve device life.
1-5, the cooling device further comprises a cooling strip 10 and a cooling space 13, wherein the cooling space 13 penetrates through the fixed base 1, the hard alloy cone 2, the connecting block 3, the supporting cutting edge 4, the cutter body 5 and the cooling strip 10, the central line of the hard alloy cone 2, the central line of the connecting block 3, the central line of the supporting cutting edge 4, the central line of the cutter body 5 and the central line of the cooling strip 10 are collinear, the cooling strip 10 is positioned on the central line of the cutter body 5, and the cooling space 13 is communicated with the drain hole 14; the cooling space is through adding water, and the device is prevented from damaging the tool bit at the too high temperature in the use, and the cooling space is opened up with the wash port, makes things convenient for liquid flow, improves chip removal efficiency, prevents the piece jam, improves work efficiency.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a two-sided restraint taper shank self-steering boring cutter which characterized in that: the hard alloy cone (2) is positioned between the fixed base (1) and the connecting block (3); the cutter also comprises a supporting cutting edge (4) and a cutter body (5), wherein one side of the supporting cutting edge (4) is connected with the cutter body (5), and the other side of the supporting cutting edge (4) is connected with the connecting block (3); the cutter body (5) further comprises a PCD guide bar (6), a pressing plate screw (12), a plurality of first adjusting screws (9) and a chip removal space (15), wherein every two first adjusting screws (9) are positioned on the same horizontal line, the PCD guide bar (6) is positioned on the surface of one end, far away from the supporting cutting edge (4), of the cutter body (5), the chip removal space (15) is formed in one side of the PCD guide bar (6), and the first adjusting screws (9) are positioned on the surface, close to one side of the PCD guide bar (6), of the cutter body (5); the novel PCD cutting tool also comprises a blade (7) and a cutting edge (16), wherein the cutting edge (16) is inclined outwards, and the blade (7) is arranged above one end of the PCD conducting bar (6) far away from the supporting cutting edge margin (4).
2. The double-sided restraining taper shank self-guiding boring tool of claim 1, wherein: the fixing base (1) is also provided with a clamping groove (8), and the clamping groove (8) is positioned on one side, far away from the hard alloy cone (2), of the fixing base (1).
3. The double-sided restraining taper shank self-guiding boring tool of claim 2, wherein: the supporting cutting edge (4) further comprises a plurality of second adjusting screws (11), and the second adjusting screws (11) are close to the surfaces of the two ends of the supporting cutting edge (4).
4. The double-sided restraining taper shank self-steering boring tool of claim 3, wherein: the chip removing device further comprises a drain hole (14), wherein the drain hole (14) is positioned on the side surface, close to one side of the supporting cutting edge (4), of the chip removing space (15).
5. The double-sided restraining taper shank self-guiding boring tool of claim 4, wherein: still include cooling strip (10) and cooling space (13), cooling space (13) run through unable adjustment base (1) carbide awl (2) connecting block (3) support margin (4) cutter body (5) with cooling strip (10), carbide awl (2) central line connecting block (3) central line support margin (4) central line cutter body (5) central line with cooling strip (10) central line collineation, cooling strip (10) are located on cutter body (5) central line, cooling space (13) with wash port (14) link up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238482.1U CN220659258U (en) | 2023-08-21 | 2023-08-21 | Double-sided constraint taper shank self-guiding boring cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322238482.1U CN220659258U (en) | 2023-08-21 | 2023-08-21 | Double-sided constraint taper shank self-guiding boring cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220659258U true CN220659258U (en) | 2024-03-26 |
Family
ID=90330242
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322238482.1U Active CN220659258U (en) | 2023-08-21 | 2023-08-21 | Double-sided constraint taper shank self-guiding boring cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220659258U (en) |
-
2023
- 2023-08-21 CN CN202322238482.1U patent/CN220659258U/en active Active
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