CN220560445U - Special lathe tool of inclined hole bottom sphere - Google Patents
Special lathe tool of inclined hole bottom sphere Download PDFInfo
- Publication number
- CN220560445U CN220560445U CN202322122421.9U CN202322122421U CN220560445U CN 220560445 U CN220560445 U CN 220560445U CN 202322122421 U CN202322122421 U CN 202322122421U CN 220560445 U CN220560445 U CN 220560445U
- Authority
- CN
- China
- Prior art keywords
- hole
- tool
- ball head
- spherical surface
- chute
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000007704 transition Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 238000007514 turning Methods 0.000 abstract description 26
- 238000003754 machining Methods 0.000 abstract description 13
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 241001669679 Eleotris Species 0.000 abstract description 5
- 238000005520 cutting process Methods 0.000 description 6
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 3
- 239000003345 natural gas Substances 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- 238000000498 ball milling Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
Landscapes
- Milling Processes (AREA)
Abstract
The utility model provides a special lathe tool for a spherical surface at the bottom of an inclined hole, which comprises a tool handle, wherein one end of the head of the tool handle is in transitional connection with a tool bar into a whole through a transitional conical surface; one end of the head of the cutter bar is provided with a ball head which is eccentrically arranged; a transition inclined plane is arranged between the top end of the ball head and the cutter bar; the center part of the ball head is provided with a through groove in a penetrating way; the center part of the ball head is provided with a crossed groove structure which is reverse and forms 45 degrees with the axis; the center part of the ball head is provided with a threaded hole structure for installing a screw and locking the blade. The special spherical turning tool can be used for machining the inclined hole spherical surface at the lower part of the precombustion chamber on the numerical control sleeper with lower machining cost, so that the production cost is reduced.
Description
Technical Field
The utility model relates to a special lathe tool for a spherical surface at the bottom of an inclined hole, and belongs to the technical field of spherical surface turning.
Background
Currently, with the continuous improvement of the emission standard of the low-speed diesel engine for the ship by the international environmental protection organization, the demand of a dual-fuel host machine adopting diesel oil and natural gas as fuels is gradually improved, and particularly, the natural gas transported in the liquefied natural gas ship can be directly utilized as the fuel, so that the application is wider. Because of different ignition modes, two oil nozzles must be arranged on the cylinder cover to serve as a precombustion chamber of the natural gas device, and as can be seen from fig. 1, the inclined hole extension section is arranged inside the cambered surface orifice, and the conventional production adopts a 5-axis machining center. The 5-axis machining can be performed by swinging a workpiece or a cutter, and a ball milling cutter with a larger rod diameter can be selected for spherical milling in the machining. However, the 5-axis machining center is configured by a manufacturer, and the small machining workshop of the company is not configured with the 5-axis machining center, so that the technology development is performed in the existing equipment, and the machining research is performed by using the numerical control sleeping car or the 3-axis machining center.
Disclosure of Invention
The utility model aims to provide the special lathe tool for the spherical surface at the bottom of the inclined hole, and the special lathe tool can be used for processing the spherical surface of the inclined hole at the lower part of the precombustion chamber on a numerical control sleeper with lower processing cost, so that the production cost is reduced.
In order to achieve the technical characteristics, the aim of the utility model is realized in the following way: a special lathe tool for a spherical surface at the bottom of an inclined hole comprises a tool handle, wherein one end of the head of the tool handle is in transitional connection with a tool bar into a whole through a transitional conical surface; one end of the head of the cutter bar is provided with a ball head which is eccentrically arranged; a transition inclined plane is arranged between the top end of the ball head and the cutter bar; the center part of the ball head is provided with a through groove in a penetrating way; the center part of the ball head is provided with a crossed groove structure which is reverse and forms 45 degrees with the axis; the center part of the ball head is provided with a threaded hole structure for installing a screw and locking the blade.
And step grooves for mounting the cutter are symmetrically machined on one side, close to the transitional conical surface, of the cutter bar.
The through groove extends to a section of length inside the cutter bar, and a first through hole is formed in the tail end of the through groove.
The cross groove structure comprises a first chute positioned on the side where the transition inclined plane is positioned, and a second chute is arranged at the reverse position of the first chute.
The screw hole structure is including setting up the second through-hole in first chute place side, and the outside end transition of second through-hole is provided with the taper hole, second chute place side is provided with the screw hole, and the screw hole sets up with the second through-hole is coaxial to through the tight fixing bolt that runs through second through-hole and screw hole with the blade locking inside the bulb.
The utility model has the following beneficial effects:
1. by adopting the turning tool and the processing method, the qualified product which is processed by the 5-axis processing center can be processed with lower production cost.
2. The utility model processes the inclined hole sphere at the lower part of the precombustor on the numerical control sleeper with lower processing cost, thereby greatly reducing the production cost.
3. The fixing reliability of the blade is ensured through the cross groove structure.
4. The blade is convenient to clamp and fix reliably through the threaded hole structure.
Drawings
The utility model is further described below with reference to the drawings and examples.
FIG. 1 is a block diagram of a workpiece to be machined according to the present utility model.
Fig. 2 is a front view of a special spherical turning tool of the present utility model.
Fig. 3 is a top view of a special spherical turning tool of the present utility model.
FIG. 4 is a schematic view of the workpiece mounting and tool setting references of the present utility model
FIG. 5 is a graph of the maximum point output condition of the turning tool special for the spherical surface in the processing of the utility model.
FIG. 6 is a graph of the minimum point out of the sphere turning operation of the special turning tool for the sphere in the machining process.
In the figure: the tool comprises a workpiece 1, an inclined hole axis 2, an inclined hole bottom spherical surface 3, a Z-direction tool setting reference 4, an X-direction tool setting reference 5, a tool shank 6, a transitional conical surface 7, a step groove 8, a tool shank 9, a first through hole 10, a through groove 11, a first chute 12, a conical hole 13, a second through hole 14, a second chute 15, a threaded hole 16, a transitional inclined surface 17, a ball head 18, a blade 19, a turning tool 20 and a stepped inclined hole 21.
Detailed Description
Embodiments of the present utility model will be further described with reference to the accompanying drawings.
Example 1:
referring to fig. 1-5, a special lathe tool for a spherical surface at the bottom of an inclined hole comprises a tool handle 6, wherein one end of the head of the tool handle 6 is in transitional connection with a tool bar 9 through a transitional conical surface 7 to form a whole; one end of the head of the cutter bar 9 is provided with a ball head 18 which is eccentrically arranged; a transition inclined plane 17 is arranged between the top end of the ball head 18 and the cutter bar 9; the center part of the ball head 18 is provided with a through groove 11 in a penetrating way; the center part of the ball head 18 is provided with a crossed groove structure which is reverse and forms 45 degrees with the axis; the center of the ball head 18 is provided with a threaded hole structure for installing a screw and locking the blade 19. The special spherical turning tool can be used for machining the inclined hole spherical surface at the lower part of the precombustion chamber on the numerical control sleeper with lower machining cost, so that the production cost is reduced.
Further, a stepped groove 8 for mounting a cutter is symmetrically machined on one side, close to the transitional conical surface 7, of the cutter bar 9.
Further, the through groove 11 extends to a length inside the cutter bar 9, and a first through hole 10 is provided at the end of the through groove 11. The stress concentration generated by the through groove 11 is reduced by the first through hole 10.
Further, the cross groove structure comprises a first chute 12 positioned on the side of the transition inclined plane 17, and a second chute 15 is arranged at the opposite position of the first chute 12. The fixing reliability of the cutter 19 is ensured by the above-described cross groove structure.
Further, the threaded hole structure comprises a second through hole 14 arranged on the side where the first chute 12 is located, a taper hole 13 is formed in the outer side end of the second through hole 14 in a transitional mode, a threaded hole 16 is formed on the side where the second chute 15 is located, the threaded hole 16 and the second through hole 14 are coaxially arranged, and the blade 19 is locked inside the ball head 18 through a fastening bolt penetrating through the second through hole 14 and the threaded hole 16. The insert 19 is facilitated to be reliably clamped and secured by the threaded bore configuration.
Example 2:
a processing method of a special turning tool for a spherical surface at the bottom of an inclined hole comprises the following steps:
step one, turning of a turning tool:
turning the large end face of the tool shank 6, turning the outer circle, turning the transitional conical surface 7 and the tool shank 9, turning the chamfer angle, adjusting the surface of the tool shank 6, and turning the ball head 18 and the transitional inclined surface 17;
step two, wire cutting processing:
aligning a workpiece, cutting through a groove 11 and a first through hole 10 by adopting linear cutting, respectively turning over the upper and lower sides of a cutter handle by 45 degrees, and cutting a first chute 12 and a second chute 15 with a cross groove structure;
step three, vertical machining:
aligning a workpiece, milling a step groove 8 on a cutter bar 9, drilling a tap screw hole 16 by taking the cutting edge of a blade 19 as a reference, drilling a second through hole 14, and reaming a taper hole 13;
step four, installing a blade 19;
and the blade 19 is arranged, the transition part of the lower side of the ball head 18 is polished, no interference is ensured in the machining process, and a 45-degree inclined plane at the upper part of the cutting edge is polished to a certain thickness.
Example 3:
a method for processing a spherical surface by adopting a special lathe tool for the spherical surface at the bottom of an inclined hole comprises the following steps:
step one, designing and manufacturing a turning tool 20, wherein a stepped inclined hole 21 for installing a workpiece 1 is machined in the turning tool 20, the turning tool 20 ensures that the stepped inclined hole 21 and a Z axis of a lathe are in the same direction after the workpiece 1 to be machined is clamped, and a popular numerical control sleeper is utilized to machine the inclined hole and a spherical surface at the bottom;
designing and manufacturing a special turning tool for the spherical surface, so that the rigidity of the tool is improved to the maximum extent, interference is not generated in machining, and the tool is machined by using a triaxial machining center;
and thirdly, performing tool setting according to a tool setting reference on the tool, and after the standard inner hole turning tool turns the inclined hole and most of ball holes, adopting a special spherical turning tool to program and turn the spherical surface at the bottom of the finish machining inclined hole.
The turning tool 20 is provided with a Z-direction tool setting reference 4 and an X-direction tool setting reference 5.
Claims (5)
1. The special lathe tool for the spherical surface at the bottom of the inclined hole is characterized by comprising a tool handle (6), wherein one end of the head of the tool handle (6) is in transitional connection with a tool bar (9) into a whole through a transitional conical surface (7); one end of the head of the cutter bar (9) is provided with a ball head (18) which is eccentrically arranged; a transition inclined plane (17) is arranged between the top end of the ball head (18) and the cutter bar (9); a through groove (11) is formed in the central part of the ball head (18) in a penetrating way; the center part of the ball head (18) is provided with a crossed groove structure which is reverse and forms 45 degrees with the axial lead; the center of the ball head (18) is provided with a threaded hole structure for installing a screw and locking the blade (19).
2. The special lathe tool for the spherical surface at the bottom of the inclined hole according to claim 1, wherein: and step grooves (8) for mounting cutters are symmetrically machined on one side, close to the transition conical surface (7), of the cutter bar (9).
3. The special lathe tool for the spherical surface at the bottom of the inclined hole according to claim 1, wherein: the through groove (11) extends to a certain length inside the cutter bar (9), and a first through hole (10) is formed in the tail end of the through groove (11).
4. The special lathe tool for the spherical surface at the bottom of the inclined hole according to claim 1, wherein: the cross groove structure comprises a first chute (12) positioned on the side where the transition inclined plane (17) is positioned, and a second chute (15) is arranged at the reverse position of the first chute (12).
5. The special lathe tool for the spherical surface at the bottom of the inclined hole according to claim 4, wherein: the screw hole structure is including setting up second through hole (14) at the side of first chute (12), and the outside end transition of second through hole (14) is provided with taper hole (13), the side of second chute (15) is provided with screw hole (16), screw hole (16) and the coaxial setting of second through hole (14) to through the holding bolt that runs through second through hole (14) and screw hole (16) with blade (19) locking in bulb (18) inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122421.9U CN220560445U (en) | 2023-08-08 | 2023-08-08 | Special lathe tool of inclined hole bottom sphere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322122421.9U CN220560445U (en) | 2023-08-08 | 2023-08-08 | Special lathe tool of inclined hole bottom sphere |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220560445U true CN220560445U (en) | 2024-03-08 |
Family
ID=90103351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322122421.9U Active CN220560445U (en) | 2023-08-08 | 2023-08-08 | Special lathe tool of inclined hole bottom sphere |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220560445U (en) |
-
2023
- 2023-08-08 CN CN202322122421.9U patent/CN220560445U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108723715B (en) | Method for processing nozzle shell by using bar stock | |
| CN201201077Y (en) | Conical bore reaming and chamfering compound tool | |
| CN105171158A (en) | Technology for machining conical gas film holes of turbine guide blade | |
| CN106695248B (en) | The manufacturing method of cylinder cover for diesel engine | |
| CN220560445U (en) | Special lathe tool of inclined hole bottom sphere | |
| CN109531158B (en) | Integrated machining method for special-shaped joint of aircraft engine boosting fuel main pipe | |
| CN214023649U (en) | Center drill for live center | |
| CN117182128A (en) | Special turning tool for bottom sphere of inclined hole and machining method | |
| CN202447743U (en) | Tool for clamping taper shank end milling cutter on spindle of boring machine | |
| CN217595989U (en) | Integrative cutter of lathe milling flutes chamfer | |
| CN2928367Y (en) | Lateral hole drill holder for hole expander rack | |
| CN202726089U (en) | Combined turning tool | |
| CN211331425U (en) | Nut inclined hole processing tool | |
| CN113523433A (en) | Milling reamer | |
| CN2189020Y (en) | Quick replacing boring bar | |
| CN201089027Y (en) | Drilling-milling combined tools | |
| CN111590097A (en) | Deep hole processing cutter | |
| CN201960215U (en) | Floating reaming device for machine | |
| CN106695250A (en) | Machining technology for casting of combined base of wind driven generator | |
| CN220050290U (en) | Replaceable multifunctional reamer for automobile processing | |
| CN110560751A (en) | Drilling, milling and tapping integrated compound cutter | |
| CN214443324U (en) | Combined cutter | |
| CN214109644U (en) | Special-shaped part coaxial arc groove finish machining tool | |
| CN206997934U (en) | A kind of quick-change type welds reamer | |
| CN220783752U (en) | Tool clamp for installing boring shaft head and boring shaft tail |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |