CN218015986U - High-strength gun drill for drilling - Google Patents
High-strength gun drill for drilling Download PDFInfo
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- CN218015986U CN218015986U CN202222000943.7U CN202222000943U CN218015986U CN 218015986 U CN218015986 U CN 218015986U CN 202222000943 U CN202222000943 U CN 202222000943U CN 218015986 U CN218015986 U CN 218015986U
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- drill
- spline
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- rod
- drilling
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Abstract
The utility model discloses a high strength gun drill is used in drilling processing relates to machining cutter technical field. The drill rod comprises a drill handle, a drill rod, a drill bit and a dismounting screw, wherein the two ends of the drill rod are provided with spline heads, one end of the drill handle is provided with a first spline groove, the drill handle is sleeved with one end of the drill rod through the first spline groove and the spline heads and is connected with one end of the drill rod through the dismounting screw in a locking mode, and one end of the drill bit is provided with a second spline groove. This high strength gun drill is used in drilling processing adopts concatenation formula design, the drillstock, drilling rod and drill bit are single independent part, utilize spline structure to make the drillstock, drilling rod and drill bit hookup each other, and through the screw lock solid, spline coupling bearing capacity is high, it is good to neutrality, can ensure the hookup quality, and when single structural damage such as drilling rod or drillstock, only need change the damage part, do not need the overall change, compare in whole welded connection structure, but material saving greatly avoids causing certain waste.
Description
Technical Field
The utility model relates to a machining cutter technical field specifically is a high strength gun drill is used in drilling processing.
Background
The gun drill is an effective deep hole machining tool, has a wide machining range, and can ensure the size precision, the position precision and the straightness of holes in deep hole machining with strict requirements on tolerance and surface roughness from mold steel, glass fiber, teflon and other plastics to high-strength alloy (such as P20 and chrome-nickel-iron alloy).
However, the common deep-hole gun drill is generally connected in a welding mode and cannot be used independently, and if a drill rod or a drill handle and other single structures are damaged, the whole deep-hole gun drill needs to be replaced, so that the cost is increased, and certain waste is caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a high strength gun drill is used in drilling processing to solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength gun drill is used in drilling processing, includes drillstock, drilling rod, drill bit and dismouting screw, the both ends of drilling rod are equipped with the spline head, the one end of drillstock is equipped with first spline groove, and cup joints mutually through first spline groove and spline head and the one end of drilling rod to through dismouting screw lock solid connection, the one end of drill bit is equipped with second spline groove, and cup joints mutually through the other end of second spline groove and spline head and drilling rod, and through dismouting screw lock solid connection, be provided with the transposition blade on the drill bit, and the screw thread is installed locking screw on the transposition blade, and is connected with the drill bit fastening through locking screw.
Furthermore, a flat key groove is formed in the drill shank, and the spline head is of an involute type and is in transition fit connection with the first spline groove and the second spline groove.
Furthermore, a chip groove is formed in the drill rod, and a chip removing groove is formed in the drill bit.
Further, the indexing insert is located at a head end of the drill bit and is disposed within the flute.
Furthermore, a first cooling liquid channel is arranged in the drill rod, and an input port is formed at one end of the first cooling liquid channel.
Furthermore, a second cooling liquid channel is arranged in the drill bit, an output port is formed in one end of the second cooling liquid channel, and the second cooling liquid channel is communicated with the first cooling liquid channel.
Compared with the prior art, the utility model provides a high strength gun drill is used in drilling processing possesses following beneficial effect:
this high strength gun drill is used in drilling processing adopts concatenation formula design, the drillstock, drilling rod and drill bit are single independent part, utilize spline structure to make the drillstock, drilling rod and drill bit hookup each other, and through the screw lock solid, spline coupling bearing capacity is high, it is good to neutrality, can ensure the hookup quality, and when single structural damage such as drilling rod or drillstock, only need change the damage part, do not need the overall change, compare in whole welded connection structure, but material saving greatly avoids causing certain waste.
Drawings
FIG. 1 is a schematic view of the present invention;
fig. 2 is a partial cross-sectional view of the present invention;
FIG. 3 is a schematic view of the connection between the drill shank and the drill rod of the present invention;
fig. 4 is a schematic view of the drill bit end of the present invention.
In the figure: 1. a drill shank; 2. a drill stem; 3. a drill bit; 4. disassembling and assembling screws; 5. a spline head; 6. a first spline groove; 7. a second spline groove; 8. an indexing insert; 9. locking screws; 10. a flat key groove; 11. a chip groove; 12. a chip removing groove; 13. a first coolant passage; 14. an input port; 15. a second coolant channel; 16. and an output port.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the utility model discloses a high strength gun drill for drilling processing, including drillstock 1, drilling rod 2, drill bit 3 and dismouting screw 4, the both ends of drilling rod 2 are equipped with spline head 5, the one end of drillstock 1 is equipped with first spline groove 6, and cup joints with the one end of drilling rod 2 through first spline groove 6 and spline head 5 mutually, and through dismouting screw 4 lock solid connection, the one end of drill bit 3 is equipped with second spline groove 7, and cup joints with the other end of drilling rod 2 through second spline groove 7 and spline head 5, and through dismouting screw 4 lock solid connection, be provided with transposition blade 8 on the drill bit 3, and the screw thread is installed locking screw 9 on the transposition blade 8, and through locking screw 9 and drill bit 3 fastening connection, adopt the design of concatenation formula, drillstock 1, drilling rod 2 and drill bit 3 are single independent part, utilize spline structure to make drillstock 1, drilling rod 2 and 3 link each other, and through the lock solid, the connection bearing capacity is high, the centering nature is good, can guarantee the quality to be linked, and only need to change drill bit 2 as single structure damage, the drill bit 1, the material saving greatly, the drill bit is connected, and the drill bit is damaged in a definite quantity.
Specifically, a flat key groove 10 is formed in the drill shank 1, and the spline head 5 is of an involute type and is in transition fit connection with the first spline groove 6 and the second spline groove 7.
In this embodiment, the drill shank 1 is used for connecting a drilling device, the flat key groove 10 is a connecting structure, and after assembly, the connection performance with the drilling device (the connecting part needs to be provided with a flat key structure to match the flat key groove 10) is guaranteed.
Specifically, a chip groove 11 is formed in the drill rod 2, and a chip groove 12 is formed in the drill bit 3.
In the present embodiment, the chip removal groove 11 mainly functions as chip removal and chip breaking, and the chip removal groove 12 functions as the chip removal groove 11.
Specifically, the indexing insert 8 is located at the head end of the drill bit 3 and is disposed within the junk slot 12.
In this embodiment, the indexing insert 8 can improve cutting performance for rough machining and semi-finishing at different depths.
Specifically, a first cooling liquid channel 13 is arranged in the drill rod 2, and an input port 14 is arranged at one end of the first cooling liquid channel 13.
In this embodiment, the coolant spray head is to drilling rod 2 department, and after the coolant spray, it is down-flow along the route of drilling rod 2, and part is poured into in input port 14, and the back flows into in drill bit 3 through first coolant passage 13 and cools down.
Specifically, a second cooling liquid channel 15 is arranged in the drill 3, an output port 16 is arranged at one end of the second cooling liquid channel 15, and the second cooling liquid channel 15 is communicated with the first cooling liquid channel 13.
In this embodiment, a part of the coolant flows into the second coolant channel 15 through the first coolant channel 13, and then is ejected through the outlet 16 to cool the cutting point.
When using, adopt the design of concatenation formula, drillstock 1, drilling rod 2 and drill bit 3 are single independent part, utilize spline structure to make drillstock 1, drilling rod 2 and drill bit 3 link each other to through the screw lock solid, spline coupling bearing capacity is high, centering nature is good, can ensure the hookup quality, and when single structural damage such as drilling rod 2 or drillstock 1, only need change the damage part, do not need the overall change, compare in whole welded connection structure, but material saving greatly avoids causing certain waste.
In conclusion, the high-strength gun drill for drilling processing adopts a splicing design, the drill handle 1, the drill rod 2 and the drill bit 3 are single independent parts, the drill handle 1, the drill rod 2 and the drill bit 3 are mutually connected by utilizing a spline structure, and are locked by screws, the spline connection bearing capacity is high, the centering performance is good, the connection quality can be ensured, when the drill rod 2 or the drill handle 1 and other single structures are damaged, only the damaged part needs to be replaced, the whole replacement is not needed, compared with a whole welding connection structure, the material can be greatly saved, and certain waste is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a high strength gun drill is used in drilling processing, includes drillstock (1), drilling rod (2), drill bit (3) and dismouting screw (4), its characterized in that: the drill bit is characterized in that the two ends of the drill rod (2) are provided with spline heads (5), one end of the drill handle (1) is provided with a first spline groove (6), the drill bit is sleeved with one end of the drill rod (2) through the first spline groove (6) and the spline heads (5) and is in locking connection with the drill rod through a dismounting screw (4), one end of the drill bit (3) is provided with a second spline groove (7), the drill bit is sleeved with the other end of the drill rod (2) through the second spline groove (7) and the spline heads (5) and is in locking connection with the drill rod through the dismounting screw (4), the drill bit (3) is provided with a transposition blade (8), the transposition blade (8) is provided with a locking screw (9) in a threaded mode, and the locking screw (9) is fastened and connected with the drill bit (3) through the locking screw (9).
2. The high-strength gun drill for drilling according to claim 1, wherein: the drill handle (1) is provided with a flat key groove (10), and the spline head (5) is of an involute type and is in transition fit connection with the first spline groove (6) and the second spline groove (7).
3. The high-strength gun drill for drilling according to claim 1, wherein: the drill rod (2) is provided with a chip groove (11), and the drill bit (3) is provided with a chip groove (12).
4. The high-strength gun drill for drilling according to claim 3, wherein: the indexing insert (8) is located at the head end of the drill bit (3) and is arranged in the chip groove (12).
5. The high-strength gun drill for drilling according to claim 1, wherein: a first cooling liquid channel (13) is arranged in the drill rod (2), and an input port (14) is formed in one end of the first cooling liquid channel (13).
6. The high-strength gun drill for drilling according to claim 5, wherein: a second cooling liquid channel (15) is arranged in the drill bit (3), an output port (16) is formed in one end of the second cooling liquid channel (15), and the second cooling liquid channel (15) is communicated with the first cooling liquid channel (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222000943.7U CN218015986U (en) | 2022-07-29 | 2022-07-29 | High-strength gun drill for drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222000943.7U CN218015986U (en) | 2022-07-29 | 2022-07-29 | High-strength gun drill for drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218015986U true CN218015986U (en) | 2022-12-13 |
Family
ID=84341709
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222000943.7U Active CN218015986U (en) | 2022-07-29 | 2022-07-29 | High-strength gun drill for drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218015986U (en) |
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2022
- 2022-07-29 CN CN202222000943.7U patent/CN218015986U/en active Active
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