CN220278462U - Workpiece deformation prevention low-resistance butt welding internal cooling reamer - Google Patents
Workpiece deformation prevention low-resistance butt welding internal cooling reamer Download PDFInfo
- Publication number
- CN220278462U CN220278462U CN202320345301.2U CN202320345301U CN220278462U CN 220278462 U CN220278462 U CN 220278462U CN 202320345301 U CN202320345301 U CN 202320345301U CN 220278462 U CN220278462 U CN 220278462U
- Authority
- CN
- China
- Prior art keywords
- reamer
- reaming
- hole
- cutter
- tool bit
- 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
- 238000001816 cooling Methods 0.000 title claims abstract description 49
- 238000003466 welding Methods 0.000 title claims abstract description 12
- 230000002265 prevention Effects 0.000 title description 2
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 238000003754 machining Methods 0.000 abstract description 17
- 238000000034 method Methods 0.000 abstract description 9
- 239000000110 cooling liquid Substances 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract description 4
- 238000005461 lubrication Methods 0.000 abstract description 3
- 239000000956 alloy Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model belongs to the field of thin-wall deep hole machining, and particularly relates to an internal cooling reamer capable of preventing workpiece deformation and achieving low-resistance butt welding. The cutter comprises an expanding and reaming integrated cutter head, wherein the expanding and reaming integrated cutter head comprises an expanding cutter and a reaming cutter rod, and the expanding cutter and the reaming cutter rod adopt an integrated structural design, so that the cutter cost is reduced, and the part machining efficiency is improved. The reamer and the reamer rod are respectively provided with a back taper angle, the back taper angle can reduce friction between the reamer edge and the inner hole wall, and meanwhile, the sharp back taper angle can cut off deformed convex metal so as to ensure that the surface of the processed inner wall is smooth. The reamer rod is connected with the handle, a plurality of chip flutes are formed in the reaming and reaming integrated tool bit, a cutting edge is arranged on one side of each chip flute, inner cooling holes are formed in the reaming and reaming integrated tool bit and the handle, a plurality of inner cooling hole sub-holes are formed in the reaming and reaming integrated tool bit, and the inner cooling holes are communicated with the chip flutes through the inner cooling hole sub-holes. The cooling liquid enters each chip flute through the inner cooling hole and the inner cooling hole, which is beneficial to cooling and lubrication in the deep hole processing process, and reduces the tool withdrawal resistance of the tool.
Description
Technical Field
The utility model belongs to the field of thin-wall deep hole machining, and particularly relates to an internal cooling reamer capable of preventing workpiece deformation and achieving low-resistance butt welding.
Background
When the cutter is used for machining the thin-wall deep hole, the condition that the cutter scratches the machining surface often occurs. Especially for hollow thin-wall shaft workpieces, when the common cutter expansion or reamer is adopted to process thin-wall deep hole features, the workpiece is clamped by the clamp, and the cutter body is extruded by micro deformation generated on the inner wall of the hole, so that the cutter and the deformed inner hole generate cutter withdrawal interference, the cutter withdrawal resistance of the cutter expansion or reamer is increased in the cutter withdrawal process, the cutter withdrawal is difficult, the inner wall of the workpiece is easily scratched, the machined surface is influenced, and the high-precision machining requirement cannot be met. Therefore, there is an urgent need for a low resistance butt welding internal cold reamer that prevents deformation of the workpiece.
Disclosure of Invention
The utility model aims to overcome the defects and provide the internal cooling reamer capable of preventing the workpiece from deforming and low-resistance butt welding, which can prevent the thin-wall deep hole processing surface from retracting and scratching, improve the processing efficiency, strengthen the cooling and lubricating effects and reduce the cost of the cutter.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a cold reamer that expands in low resistance butt welding of preventing work piece warp, including expanding the integrative tool bit of hinge, expand the integrative tool bit of hinge and including expanding sword and reamer arbor, expand and set up back taper angle respectively on sword and the reamer arbor, the reamer arbor is connected the stalk portion, has seted up a plurality of chip flutes on expanding the integrative tool bit of hinge, chip flute one side is provided with the margin, expands and is provided with interior cold hole in the integrative tool bit of hinge and the stalk portion, expands and is provided with a plurality of interior cold hole minute holes in the integrative tool bit of hinge, interior cold hole divides hole intercommunication chip flute through interior cold hole minute hole.
The reaming and reaming integrated tool bit and the handle are coaxially arranged.
The outside diameter of the reamer rod is larger than that of the reamer.
The expanding knife is provided with an expanding knife cutting edge.
The reamer rod is provided with a reamer cutting edge.
The outer edge of the reamer cutting edge is provided with a micro chamfer.
Four chip flutes are uniformly distributed on the reaming and reaming integrated cutter head.
The chip flute is of a spiral structure.
The inner cooling hole is communicated with one end of the handle.
The margin is 0.1mm.
Compared with the prior art, the utility model has the following beneficial effects:
the cutter comprises an expanding and reaming integrated cutter head, wherein the expanding and reaming integrated cutter head comprises an expanding cutter and a reaming cutter rod, and the expanding cutter and the reaming cutter rod adopt an integrated structure design, so that the processing and the manufacturing of the cutter are facilitated, and the cost of the cutter is reduced. In addition, the reaming and reaming integrated cutter structure can finish the machining of two procedures of reaming and reaming at one time, so that the machining efficiency is improved. The back taper angles are respectively arranged on the reaming cutter and the reamer rod, so that friction between the reaming cutter edge and the inner hole wall can be reduced, the retracting resistance is reduced, meanwhile, the sharp back taper angle can cut off deformed convex metal, so that the surface of the inner wall to be machined is smooth, and the retracting scratch of the machining surface of the thin-wall deep hole is prevented. The reamer rod is connected with the handle, a plurality of chip flutes are formed in the reaming and reaming integrated tool bit, and cutting edges are arranged on one side of each chip flute. The reaming and reaming integrated tool bit and the handle are internally provided with inner cooling holes, a plurality of inner cooling hole sub-holes are arranged in the reaming and reaming integrated tool bit, and the inner cooling holes are communicated with the chip flutes through the inner cooling hole sub-holes. The cooling liquid enters each chip flute through the inner cooling hole and the inner cooling hole, which is beneficial to cooling and lubrication in the thin-wall deep hole processing process, and reduces the tool withdrawal resistance of the tool.
Further, the outer edge of the reamer cutting edge is provided with a miniature chamfer, so that the inner wall of the thin-wall deep hole is prevented from being scratched in the machining process, and meanwhile, the outer edge of the reamer cutting edge is prevented from being damaged.
Furthermore, the chip flute is of a spiral structure, so that chips generated in the thin-wall deep hole processing process can be conveniently discharged.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model;
FIG. 3 is a left side view of the present utility model;
FIG. 4 is a schematic diagram of a thin-wall deep hole part to be processed;
1. separating inner cooling holes; 2. back taper angle; 3. a margin; 4. a handle; 5. chip-containing grooves; 6. micro chamfering; 7. a reamer cutting edge; 8. a reamer cutting edge; 9. core diameter; 10. a knife expanding; 11. a reamer bar; 12. an inner cooling hole; 13. reaming and reaming an integrated tool bit; 14. and (5) processing the thin-wall deep hole part.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, the low-resistance butt welding internal cooling reamer capable of preventing workpiece deformation comprises an reaming integrated cutter head 13, wherein the reaming integrated cutter head 13 comprises a reaming cutter 10 and a reaming cutter rod 11, rear back taper angles 2 are respectively arranged on the reaming cutter 10 and the reaming cutter rod 11, the reaming cutter rod 11 is connected with a handle 4, a plurality of chip flutes 5 are arranged on the reaming integrated cutter head 13, a cutting edge 3 is arranged on one side of each chip flute 5, internal cooling holes 12 are arranged in the reaming integrated cutter head 13 and the handle 4, a plurality of internal cooling hole sub-holes 1 are arranged in the reaming integrated cutter head 13, and the internal cooling holes 12 are communicated with the chip flutes 5 through the internal cooling hole sub-holes 1.
Preferably, the utility model comprises an expanding and reaming integrated tool bit 13, wherein the expanding and reaming integrated tool bit 13 comprises an expanding tool 10 and a reaming tool bit bar 11, and the expanding tool 10 and the reaming tool bit bar 11 adopt an integrated structural design, thereby being beneficial to the processing and manufacturing of the tool and reducing the cost of the tool. In addition, the front section of the reaming and reaming integrated tool bit is the reaming tool 10, the rear end of the reaming and reaming integrated tool bit is the reamer, and the reaming guiding part is only 10mm, so that the friction between the tool bit and the hole wall is reduced. The reaming and reaming integrated cutter structure can finish the processing of reaming and reaming at one time, so that the processing efficiency is improved. The back taper angle 2 is respectively arranged on the reamer 10 and the reamer rod 11, the back taper angle of 0.1/100 mm-0.2/100 mm is adopted by a general reamer, the back taper angle is not suitable for the inner hole processing condition of a thin-wall shaft part, the back taper angle is increased to 0.4/100mm by the design, the friction between the reamer edge and the inner hole wall can be reduced by the back taper angle, the hole diameter expansion or the tool withdrawal scratch caused by the outward inclination of the reamer or the deformation of a workpiece is prevented, the tool withdrawal deformation resistance is reduced in the process of rotating the reamer, and the deformed raised metal can be cut off by the sharp back taper angle, so that the surface of the processed inner wall is smooth, and the tool withdrawal scratch of the processing surface of the thin-wall deep hole is prevented. Compared with the common small cone angle design, the large back cone angle design is easy to retract, the machining surface precision is greatly improved, and the structural schematic diagram of the thin-wall deep hole part 14 to be machined is shown in fig. 4. The reamer rod 11 is connected with the handle 4, a plurality of chip flutes 5 are formed on the reaming and reaming integrated tool bit 13, and a cutting edge 3 is arranged on one side of each chip flute 5. The reaming and reaming integrated tool bit 13 and the handle 4 are internally provided with inner cooling holes 12, the reaming and reaming integrated tool bit 13 is internally provided with a plurality of inner cooling hole sub-holes 1, and the inner cooling holes 12 are communicated with the chip flutes 5 through the inner cooling hole sub-holes 1. In the working process, cooling liquid enters each chip flute 5 through the inner cooling hole 12 and the inner cooling hole dividing holes 1, so that cooling and lubrication in the thin-wall deep hole machining process are facilitated, and meanwhile, tool withdrawal resistance of a tool is reduced.
Further, the aperture of the inner cooling hole 12 is larger than that of the inner cooling hole sub-hole 1, and the sectional area of the outlet pipe of the inner cooling hole sub-hole 1 is reduced, so that the flow rate of the cooling liquid at the outlet of the inner cooling hole sub-hole 1 is higher than that of the cooling liquid at the inlet of the inner cooling hole sub-hole 1, the dynamic pressure is increased, the scouring of chips in the chip pocket 5 is facilitated, the cooling and lubricating effects are improved, the processing environment is greatly improved, and the service life of the cutter is prolonged.
Further, the front section of the reaming and reaming integrated tool bit 13 is made of hard alloy material, namely the whole reaming tool 10 is made of hard alloy material, and the front end of the reamer rod 11 is made of hard alloy material, so that the cutting capability of the tool is improved. The rear end of the reamer spindle 11 and the shank 4 are of tool steel material, reducing the manufacturing cost of the cutter. The front end and the rear end of the reamer rod 11 are connected through butt welding, and the welding is subjected to aging treatment, so that the deformation of the cutter is effectively reduced, the cutter is coated, the service life of the cutter is prolonged, and the cutter is equivalent to that of the whole hard alloy cutter.
As shown in fig. 1 and 2, the reaming and reaming integrated cutter head 13 and the shank 4 are coaxially arranged.
As shown in fig. 1, 2 and 3, the reamer spindle 11 has an outer diameter greater than that of the reamer 10.
As shown in fig. 1, 2 and 3, the reamer 10 is provided with a reamer cutting edge 8.
As shown in fig. 1, 2 and 3, the reamer spindle 11 is provided with a reamer cutting edge 7.
Preferably, the outer edge of the reamer cutting edge 7 is provided with a micro chamfer 6, so that the inner wall of the thin-wall deep hole is prevented from being scratched in the machining process, and meanwhile, the outer edge of the reamer cutting edge 7 is prevented from being damaged.
As shown in fig. 3, the number of the chip flutes 5 is four, and the four chip flutes 5 are uniformly distributed on the reaming and reaming integrated tool bit 13.
Preferably, as shown in fig. 1 and 2, the chip flute 5 has a spiral structure, so as to facilitate the discharge of chips generated during the thin-wall deep hole processing.
As shown in fig. 1 and 2, the inner cooling hole 12 penetrates through one end of the shank 4.
The width of the cutting margin 3 is 0.1mm, so that the friction resistance between the reamer and the hole wall is reduced, and the finish of the hole wall is improved.
The working process of the utility model is as follows:
during thin-wall deep hole machining, the reamer 10 performs reaming machining at the front end, the reamer performs finish machining at the rear, scraps generated in the cutting process are discharged through the chip pocket 5, and meanwhile, cooling liquid enters the chip pocket 5 through the inner cooling hole 12 and the inner cooling hole separating hole 1 to lubricate and cool machining parts;
when the tool is retracted, the tool rotates reversely, if clamping deformation occurs on the inner wall of the hole, the sharp large back taper angle can cut off deformed convex metal, so that the smooth surface of the inner wall is ensured to be processed, and the cooling liquid is simultaneously lubricated and cooled, so that the tool is prevented from being retracted and scratched on the processing surface of the thin-wall deep hole.
In summary, the above embodiments are only preferred embodiments of the present utility model, and are not intended to limit the scope of the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (6)
1. The utility model provides a low resistance butt welding internal cooling reamer that prevents work piece warp, a serial communication port, including expanding integrative tool bit (13), expand integrative tool bit (13) including expanding sword (10) and reamer pole (11), expand and set up back taper angle (2) on sword (10) and the reamer pole (11) respectively, reamer pole (11) connect stalk portion (4), expand and offered a plurality of chip flute (5) on the integrative tool bit (13) of reaming, chip flute (5) one side is provided with cutting edge (3), expand and be provided with interior cold hole (12) in the integrative tool bit (13) of reaming and stalk portion (4), expand and be provided with a plurality of interior cold hole minute holes (1) in the integrative tool bit (13) of reaming, interior cold hole (12) are through interior cold hole minute hole (1) intercommunication chip flute (5);
a reamer cutting edge (8) is arranged on the reamer (10);
a reamer cutting edge (7) is arranged on the reamer rod (11);
the outer edge of the reamer cutting edge (7) is provided with a micro chamfer (6);
the chip flute (5) is of a spiral structure.
2. The low resistance butt internal cooling reamer against workpiece deformation according to claim 1, wherein the reamer head (13) and the shank (4) are coaxially arranged.
3. The low resistance butt internal cold reamer of claim 1, wherein the reamer shank (11) has an outer diameter greater than the outer diameter of the reamer (10).
4. The low-resistance butt welding internal cooling reamer for preventing workpiece deformation according to claim 1, wherein the number of the chip flutes (5) is four, and the four chip flutes (5) are uniformly distributed on the reamer head (13).
5. The low resistance butt internal cooling reamer against workpiece deformation according to claim 1, wherein the internal cooling hole (12) is through at one end of the shank (4).
6. The low resistance butt internal cold reamer against workpiece deformation according to claim 1, wherein the margin (3) is 0.1mm wide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345301.2U CN220278462U (en) | 2023-02-28 | 2023-02-28 | Workpiece deformation prevention low-resistance butt welding internal cooling reamer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320345301.2U CN220278462U (en) | 2023-02-28 | 2023-02-28 | Workpiece deformation prevention low-resistance butt welding internal cooling reamer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220278462U true CN220278462U (en) | 2024-01-02 |
Family
ID=89340745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320345301.2U Active CN220278462U (en) | 2023-02-28 | 2023-02-28 | Workpiece deformation prevention low-resistance butt welding internal cooling reamer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220278462U (en) |
-
2023
- 2023-02-28 CN CN202320345301.2U patent/CN220278462U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111002003B (en) | Efficient and long-service-life hydraulic valve main hole machining method | |
| CN110893488A (en) | Efficient unequal multi-blade reamer | |
| CN220278462U (en) | Workpiece deformation prevention low-resistance butt welding internal cooling reamer | |
| CN211387180U (en) | Efficient unequal multi-blade reamer | |
| CN215998825U (en) | Special groove type drill bit capable of guaranteeing hole finish degree and roundness | |
| CN107398599B (en) | Super-precision reamer | |
| CN113319348B (en) | Inner-cooling cutter | |
| CN215880220U (en) | Diamond cutter for machining taper threads | |
| CN215145014U (en) | Double-groove structure composite reaming drill | |
| CN215786950U (en) | Compound tool for non-metal composite material | |
| CN213080187U (en) | Cutter convenient to shaping | |
| CN112170865A (en) | Chip breaking and removing method for turning deep hole | |
| CN110919058A (en) | Efficient three-blade broaching tool capable of performing intermittent machining | |
| CN221047447U (en) | Stepped reamer | |
| CN217941966U (en) | Stepped drill bit with auxiliary cutter groove | |
| CN214815128U (en) | Drilling reamer | |
| CN212976852U (en) | Aluminum alloy deep hole drill | |
| CN217070874U (en) | Twist drill reamer | |
| CN217018649U (en) | Eccentric boring cutter for valve body | |
| CN219464949U (en) | Coarse and fine reaming composite reamer | |
| CN218503375U (en) | Hole excircle integral type boring cutter | |
| CN218362288U (en) | Multifunctional milling reamer structure | |
| CN218080450U (en) | Concentric spinning conical inner hole slotting cutter | |
| CN218611879U (en) | High-precision internal-cooling forming milling reamer for machining inner hole of connecting rod of stainless steel | |
| CN220659319U (en) | Hard alloy stepped drill with chip breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |