CN220761103U - External flushing water internal cooling combined drill bit for drilling aluminum alloy hub - Google Patents
External flushing water internal cooling combined drill bit for drilling aluminum alloy hub Download PDFInfo
- Publication number
- CN220761103U CN220761103U CN202322457097.6U CN202322457097U CN220761103U CN 220761103 U CN220761103 U CN 220761103U CN 202322457097 U CN202322457097 U CN 202322457097U CN 220761103 U CN220761103 U CN 220761103U
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- Prior art keywords
- drill bit
- cooling
- water
- aluminum alloy
- alloy hub
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 79
- 238000001816 cooling Methods 0.000 title claims abstract description 77
- 238000005553 drilling Methods 0.000 title claims abstract description 26
- 229910000838 Al alloy Inorganic materials 0.000 title claims abstract description 14
- 238000011010 flushing procedure Methods 0.000 title claims abstract description 8
- 239000000110 cooling liquid Substances 0.000 claims abstract description 23
- 239000007921 spray Substances 0.000 claims abstract description 11
- 238000005520 cutting process Methods 0.000 claims abstract description 5
- 238000003860 storage Methods 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000003754 machining Methods 0.000 abstract description 8
- 230000000694 effects Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000002826 coolant Substances 0.000 description 1
- 239000000498 cooling water Substances 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
- 238000003908 quality control method Methods 0.000 description 1
Landscapes
- Drilling And Boring (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Drilling Tools (AREA)
Abstract
The utility model discloses an external flushing water internal cooling combined drill bit for drilling an aluminum alloy hub, wherein a cooling channel is arranged in the drill bit and comprises a water inlet formed in the side wall of the drill bit, a water outlet formed in the cutting edge of the drill bit and a cooling cavity communicated with the water inlet and the water outlet. According to the utility model, the cooling channel is arranged on the drill bit, so that cooling liquid supplied by the spray pipe can enter the cooling cavity in the drill bit through the water inlet arranged on the side wall of the drill bit, the cooling mode of cooling the drill bit in an internal cooling manner is realized, the problems that the existing drilling machine tool without an internal water outlet system is not applicable to an internal cooling drill bit, the machining efficiency is low and the drilling quality is difficult to ensure are solved, meanwhile, part of cooling liquid supplied by the spray pipe enters the cooling cavity in the drill bit, and the other part of cooling liquid is sprayed on the surface of the drill bit, so that the cooling effect of cooling the inside and the outside of the drill bit simultaneously is achieved; the split structure design facilitates the processing and manufacturing of the cutter head and the cutter handle, reduces the manufacturing and using cost of the drill bit, and facilitates the cutter management.
Description
Technical Field
The utility model relates to the technical field of hub machining, in particular to an external flushing water internal cooling combined drill bit for drilling an aluminum alloy hub.
Background
Along with the continuous promotion of aluminum alloy wheel hub production efficiency, when carrying out drilling operation to aluminum alloy wheel hub's bolt hole, wheel hub machining process adopts interior cold drill bit to carry out bolt hole drilling processing to wheel hub generally, establishes the cooling channel through the interior water system of lathe to interior cold drill bit and supplies the coolant liquid, reaches the purpose of cooling drill bit and work piece to guarantee machining efficiency and drilling quality. However, in actual production, part of the drilling machine tool does not have an inner water outlet system, cannot be matched with an inner cooling water outlet drill bit for installation and use, can only use a cooling mode outside a common drill bit to complete drilling operation, restricts the improvement of production efficiency, and easily causes that the drilling quality cannot meet the quality control requirement.
Meanwhile, the existing internal cooling drill bit is generally of an integral structure of a cutter handle and a cutter edge, and when the cutter edge end is worn or damaged, the cutter edge end is often required to be replaced integrally, so that the use cost is increased.
Based on the method, an internal cooling drill bit which can be used for adapting to a machine tool without an internal water outlet system is developed, and is applied to production practice to improve the machining efficiency and ensure the machining quality, so that the technical problem to be solved is urgent.
Disclosure of Invention
The utility model aims to solve the problems that the existing inner cooling drill bit cannot be matched with part of a drilling machine tool to restrict production efficiency, and meanwhile, the problem that the existing inner cooling drill bit is high in use cost is solved.
In order to solve the technical problems, the utility model adopts the following technical scheme:
an external flushing water internal cooling combined drill bit for drilling an aluminum alloy hub is provided with a cooling channel in the drill bit, wherein the cooling channel comprises a water inlet formed in the side wall of the drill bit, a water outlet formed in the cutting edge of the drill bit and a cooling cavity communicated with the water inlet and the water outlet.
Preferably, a water receiving disc is arranged at the lower edge of the water inlet so as to facilitate the water inlet to collect the cooling liquid sprayed out of the spray pipe, and the water receiving disc is of a funnel-shaped structure.
Preferably, the cooling channel is communicated with a water storage cavity so as to improve the capacity of the cooling channel for collecting cooling liquid.
Preferably, the water storage cavity is of an inverted cone structure.
Preferably, a water baffle is arranged in the water storage cavity, and the water baffle is inclined to the inner wall of the water storage cavity.
Preferably, the drill bit is of a split structure comprising a cutter head and a cutter handle, and the cutter head is detachably connected with the cutter handle.
Preferably, the tool shank is provided with a central hole penetrating through the upper end of the tool shank and used for being communicated with a water outlet system in the machine tool, and the lower end of the central hole is communicated with the cooling cavity.
The utility model has the beneficial effects that:
according to the utility model, the cooling channel is arranged on the drill bit, so that cooling liquid supplied by the spray pipe can enter the cooling cavity in the drill bit through the water inlet arranged on the side wall of the drill bit, the cooling mode of cooling the drill bit in an internal cooling manner is realized, the problems that the existing drilling machine tool without an internal water outlet system is not applicable to the internal cooling drill bit, the machining efficiency is low and the drilling quality is difficult to ensure are solved, meanwhile, one part of cooling liquid supplied by the spray pipe enters the internal cooling cavity of the drill bit, and the other part of cooling liquid is sprayed on the surface of the drill bit, so that the cooling effect of cooling the inside and the outside of the drill bit simultaneously is achieved, and the cooling efficiency is further improved; the water receiving disc and the water storage cavity are arranged on the cooling channel, so that the flow of cooling liquid in the cooling channel is improved, and the cooling efficiency of the drill bit is ensured; the drill bit is arranged to be of a detachable split structure comprising the cutter head and the cutter handle, so that the cutter head and the cutter handle can be conveniently processed and manufactured, the cutter head can be independently replaced, the manufacturing and using cost of the drill bit is reduced, and the cutter management is facilitated; the tool handle end is provided with a central hole for communicating an inner water outlet system of the machine tool, so that the drill bit can be simultaneously adapted to the machine tool with the inner water outlet system, and the applicability of the drill bit is improved.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a schematic three-dimensional structure of the present utility model.
Fig. 2 is a schematic view of a three-dimensional cross-sectional structure of the present utility model.
Fig. 3 is a schematic plan sectional structure of the present utility model.
Fig. 4 is a schematic view showing a disassembled state of the present utility model.
In the figure: 10- -cooling channels; 11- -a water inlet; 12- -a water outlet; 13- -a cooling chamber; 14- -a water pan; 15- -a water storage chamber; 16- -a water deflector; 20- -a knife handle; 21- -a central hole; 30- -tool bit.
Detailed Description
As shown in fig. 1-4, an external flushing water and internal cooling combined drill bit for drilling an aluminum alloy hub is provided with a cooling channel 10, wherein the cooling channel 10 comprises a water inlet 11 formed in the side wall of the drill bit, a water outlet 12 formed in the cutting edge of the drill bit and a cooling cavity 13 communicated with the water inlet 11 and the water outlet 12. When the drill bit is used, the drill bit is connected with a main shaft of a machine tool, the spray pipe is arranged corresponding to the water inlet 11 of the drill bit, the spray pipe sprays cooling liquid into the water inlet 11 of the drill bit, the cooling liquid enters the cooling cavity 13 in the drill bit through the water inlet 11 to cool the drill bit, then the cooling liquid is discharged through the water outlet 12 at the cutting edge of the cutter bit 30, the cutter bit 30 and a workpiece are further cooled, and the cooling process of the drill bit and the workpiece is completed.
In this embodiment, the cooling liquid accessible that the shower supplied sets up the water inlet 11 at the drill bit lateral wall and gets into the cooling chamber 13 in the drill bit, has realized the cooling mode of the internal cooling of drill bit, has solved the current drilling lathe that does not possess interior water outlet system and is not suitable for interior cold drill bit, causes machining efficiency low, and drilling quality is difficult to guarantee the problem. Meanwhile, part of the cooling liquid supplied by the spray pipe enters the cooling cavity 13 in the drill bit, and the other part of the cooling liquid is sprayed on the surface of the drill bit, so that the cooling effect of simultaneously cooling the inside and the outside of the drill bit is achieved, and the cooling efficiency is further improved.
In a further embodiment, as shown in fig. 2-3, a water receiving tray 14 is disposed at the lower edge of the water inlet 11, so as to facilitate the water inlet 11 to collect the cooling liquid sprayed by the spray pipe, and improve the flow of the cooling liquid in the cooling passage 10 of the drill bit, thereby improving the cooling effect. Preferably, the drip tray 14 has a funnel-shaped structure to further enhance the water collection effect.
Further, the cooling channel 10 is communicated with a water storage cavity 15, so as to improve the capacity of the cooling channel 10 for collecting the cooling liquid, thereby guaranteeing the cooling effect. Preferably, the water storage cavity 15 has an inverted cone structure, so as to alleviate the problem that the cooling liquid is thrown out under the action of centrifugal force in the high-speed rotation process of the drill bit. The water baffle 16 is arranged corresponding to the water storage cavity 15, and the water baffle 16 is arranged obliquely to the inner wall of the water storage cavity 15, so that the problem that the cooling liquid is thrown out of the cooling cavity 13 is further reduced.
As a preferred embodiment, as shown in fig. 4, the drill is a separate structure including a cutter head 30 and a shank 20, and the cutter head 30 is detachably connected to the shank 20. The split structure facilitates the processing and manufacturing of the cutter head 30 and the cutter handle 20, and simultaneously, the cutter head 30 can be replaced independently, when the cutter head 30 is damaged or the processing size is changed, the whole bit is not required to be replaced, and only the new cutter head 30 is required to be replaced. The manufacturing and using cost of the drill bit is reduced, and the cutter management is facilitated.
Further, the shank 20 is provided with a central hole 21 penetrating through the upper end of the shank 20, the lower end of the central hole 21 is communicated with the cooling cavity 13, the upper end of the central hole 21 is communicated with an internal water outlet system of the machine tool, and cooling liquid is supplied to the cooling cavity 13 of the drill bit, so that the drill bit can be simultaneously adapted to a drilling machine tool with the internal water outlet system for installation and use, and the applicability of the drill bit is improved.
The foregoing disclosure is merely illustrative of specific embodiments of this patent and this patent is not to be construed as limiting, since modifications will be apparent to those skilled in the art without departing from the principles of the utility model.
Claims (6)
1. An outer flushing water internal cooling combined drill bit for aluminum alloy hub drilling, which is characterized in that: a cooling channel (10) is arranged in the drill bit, and the cooling channel (10) comprises a water inlet (11) formed in the side wall of the drill bit, a water outlet (12) formed in the cutting edge of the drill bit and a cooling cavity (13) communicated with the water inlet (11) and the water outlet (12); the lower edge of the water inlet (11) is provided with a water receiving disc (14) so as to be beneficial to the water inlet (11) to collect cooling liquid sprayed out by the spray pipe, and the water receiving disc (14) is of a funnel-shaped structure.
2. An externally-flushed water-in-cooling combination drill bit for aluminum alloy hub drilling as recited in claim 1, wherein: the cooling channel (10) is communicated with a water storage cavity (15) so as to improve the capacity of the cooling channel (10) for collecting cooling liquid.
3. An externally-flushed water-in-cooling combination drill bit for aluminum alloy hub drilling as claimed in claim 2, wherein: the water storage cavity (15) is of an inverted cone structure.
4. An externally-flushed internal cooling combination drill bit for aluminum alloy hub drilling as recited in claim 3, wherein: a water baffle (16) is arranged in the water storage cavity (15), and the water baffle (16) is inclined to the inner wall of the water storage cavity (15).
5. An externally-flushed water-in-cooling combination drill bit for aluminum alloy hub drilling as recited in claim 1, wherein: the drill bit is of a split structure comprising a cutter head (30) and a cutter handle (20), and the cutter head (30) is detachably connected with the cutter handle (20).
6. The combination drill bit for external flushing and internal cooling of aluminum alloy hub drilling as recited in claim 5, wherein: the tool shank (20) is provided with a central hole (21) penetrating through the upper end of the tool shank (20) and used for being communicated with a water outlet system in a machine tool, and the lower end of the central hole (21) is communicated with the cooling cavity (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457097.6U CN220761103U (en) | 2023-09-11 | 2023-09-11 | External flushing water internal cooling combined drill bit for drilling aluminum alloy hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322457097.6U CN220761103U (en) | 2023-09-11 | 2023-09-11 | External flushing water internal cooling combined drill bit for drilling aluminum alloy hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761103U true CN220761103U (en) | 2024-04-12 |
Family
ID=90601251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322457097.6U Active CN220761103U (en) | 2023-09-11 | 2023-09-11 | External flushing water internal cooling combined drill bit for drilling aluminum alloy hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761103U (en) |
-
2023
- 2023-09-11 CN CN202322457097.6U patent/CN220761103U/en active Active
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