CN214769180U - Deep hole processing gun drill - Google Patents
Deep hole processing gun drill Download PDFInfo
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- CN214769180U CN214769180U CN202120141927.2U CN202120141927U CN214769180U CN 214769180 U CN214769180 U CN 214769180U CN 202120141927 U CN202120141927 U CN 202120141927U CN 214769180 U CN214769180 U CN 214769180U
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Abstract
The utility model relates to a gun drill technical field just discloses a deep hole processing gun drill, including the drill bit, the one end of drill bit is fixed with the drilling rod, the one end that the drill bit was kept away from to the drilling rod is fixed with the drill neck, the one end fixedly connected with drill handle that the drill rod was kept away from to the drill neck, the cutting edge has been seted up to the other end of drill bit, the cutting fluid hole has been seted up to the terminal surface downside of the drill bit other end, same V type chip groove has been seted up to the upper surface of drill bit and drilling rod, the locking recess has been seted up to the upper surface of drill handle, the surface of drill handle begins to have a plurality of locking archs. This deep hole processing gun drill, through set up the locking recess and a plurality of locking arch that are on a parallel with the axis array distribution of drill stock at the surface of drill stock, the drill stock can firmly be fixed in the gun drill system through locking recess and locking arch, and stability is strong during the use, and difficult rupture has improved the effect of processing.
Description
Technical Field
The utility model relates to a gun drill technical field specifically is a deep hole processing gun drill.
Background
Gun drills are an effective deep hole machining tool, and the machining range is wide, and deep hole machining is performed on die steel, glass fiber, Teflon (Teflon) and other plastics to high-strength alloys (such as P20 and inconel). In the deep hole processing that tolerance and roughness required more tightly, the gun drill can guarantee the size precision, position accuracy and the straightness accuracy in hole, and traditional gun drill all comprises drill holder and drilling rod, and the drill holder is generally made by stainless steel or high-speed steel, and the drilling rod is made by carbide, and during the processing deep hole, need fix the drill holder in the gun drill system, current gun drill is at the in-process of processing the deep hole, because the drilling rod is longer, can take place to rock, lead to drill holder and gun drill system junction to take place to rock, and then lead to the drilling rod to collapse, influence the processing effect.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art in the above-mentioned background art, the utility model provides a deep hole processing gun drill to overcome the current deep hole processing gun drill that proposes in the above-mentioned background art, at the in-process of processing the deep hole, because the drilling rod is longer, can take place not hard up, lead to drillstock and gun drill system junction to take place not hard up, and then lead to the drilling rod to collapse, influence the shortcoming of processing effect.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:
a gun drill for deep hole machining comprises a drill bit, wherein a drill rod is fixed at one end of the drill bit, a drill neck is fixed at one end, away from the drill bit, of the drill rod, and a drill handle is fixedly connected at one end, away from the drill rod, of the drill neck;
the drill bit is characterized in that a cutting edge is formed in the other end of the drill bit, a cutting fluid hole is formed in the lower side of the end face of the other end of the drill bit, the same V-shaped chip removal groove is formed in the upper surfaces of the drill bit and the drill rod, a locking groove is formed in the upper surface of the drill handle, and a plurality of locking protrusions are formed in the outer surface of the drill handle.
As an optimal technical solution of the utility model: two auxiliary cutting edges are formed in the outer surface of the drill bit and are perpendicular to the central axis of the drill bit, and machining precision and surface smoothness are improved conveniently.
As an optimal technical solution of the utility model: the drill handle is kept away from the one end of boring the neck with the drill handle junction and drill handle and has all seted up leading-in portion, the angle of leading-in portion is unilateral 15, is convenient for take and save the gun drill.
Furthermore, the drill bit and the drill rod are both made of high-strength alloy steel, the drill neck and the drill handle are both made of high-speed steel, and the drill bit and the drill rod are both subjected to heat treatment.
Furthermore, the diameter of the drill neck is larger than that of the drill rod, the diameter of the drill handle is larger than that of the drill neck, and the central axes of the drill bit, the drill rod, the drill neck and the drill handle are mutually overlapped.
Furthermore, the cutting fluid hole respectively penetrates through the drill bit, the drill rod, the drill neck and the drill handle from the other end face of the drill bit and is flush with the end face of one end, far away from the drill neck, of the drill handle, and the cutting fluid hole is arranged in parallel to the central axis of the drill rod.
Furthermore, the length of the V-shaped chip groove is smaller than the sum of the lengths of the drill bit and the drill rod, the angle of the V-shaped chip groove is 120 degrees, and the lowest point of the V-shaped chip groove and the center of the drill bit are overlapped.
Furthermore, a plurality of locking protrusions are arranged in parallel to the central axis of the drill handle, and the locking protrusions are distributed on the outer surface of the drill handle in an array mode.
According to the working principle, when the gun drill for processing the deep hole is required to be used, the gun drill is firstly installed in a gun drill system through a drill handle, then a drill bit is aligned to the position of the deep hole to be processed, then the gun drill system is started, then high-pressure cutting fluid is injected into a cutting fluid hole, and then the deep hole is processed; when the drill handle is installed on the gun drill system, the drill handle can be firmly fixed in the gun drill system through the locking groove and the locking protrusion, the stability of the drill rod in working is improved, the cutting fluid in the cutting fluid hole can cool the drill bit and the cutting edge, and scrap iron generated in machining is flushed out of the V-shaped chip removal groove.
(III) advantageous effects
The utility model provides a deep hole processing gun drill possesses following beneficial effect:
(1) this deep hole processing gun drill, at the in-process of processing the deep hole, through the locking arch of seting up locking recess and a plurality of axis array that are on a parallel with the drillstock and distributing at the surface of drillstock, the drillstock can firmly be fixed in the gun drill system through locking recess and locking arch, the stability of drilling rod has been increased, current deep hole processing gun drill has been solved, at the in-process of processing the deep hole, because the drilling rod is longer, can take place to rock, lead to drillstock and gun drill system junction to take place not hard up, and then lead to the drilling rod to collapse, influence the shortcoming of processing effect.
Drawings
Fig. 1 is a schematic view of a three-dimensional structure of a deep hole processing gun drill of the present invention;
fig. 2 is a schematic three-dimensional structure diagram of the drill bit and the drill handle of the gun drill for deep hole processing of the present invention;
fig. 3 is a schematic three-dimensional structure diagram of the drill neck and the drill handle of the gun drill for deep hole processing of the present invention;
fig. 4 is a cross-sectional view of the deep hole processing gun drill of the present invention;
fig. 5 is a right side view of the deep hole processing gun drill of the present invention.
In the figure: 1. a drill bit; 2. a drill stem; 3. drilling a neck; 4. a drill shank; 5. a cutting edge; 6. a cutting fluid hole; 7. a V-shaped chip groove; 8. locking the groove; 9. a locking protrusion; 10. and (5) auxiliary cutting edges.
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.
Referring to fig. 1-5, the present invention provides a gun drill for deep hole drilling;
according to the figure 1, the drilling tool comprises a drilling bit 1, wherein a drill rod 2 is fixed at one end of the drilling bit 1, the drilling bit 1 and the drill rod 2 are both made of high-strength alloy steel, the drilling bit 1 and the drill rod 2 are both subjected to heat treatment, a drill neck 3 is fixed at one end, far away from the drilling bit 1, of the drill rod 2, the diameter of the drill neck 3 is larger than that of the drill rod 2, a drill handle 4 is fixedly connected at one end, far away from the drilling bit 2, of the drill neck 3, the diameter of the drill handle 4 is larger than that of the drill neck 3, the drill neck 3 and the drill handle 4 are all made of high-speed steel, and the central axes of the drilling bit 1, the drilling bit 2, the drill neck 3 and the drill handle 4 are coincident with each other;
according to the figure 2-5, the other end of the drill bit 1 is provided with a cutting edge 5, the lower side of the end face of the other end of the drill bit 1 is provided with a cutting fluid hole 6, the cutting fluid hole 6 respectively penetrates through the drill bit 1, the drill stem 2, the drill neck 3 and the drill handle 4 from the other end face of the drill handle 4 and is flush with the end face of the end of the drill handle 4 far away from the drill neck 3, the cutting fluid hole 6 is arranged in parallel with the central axis of the drill stem 2, the upper surfaces of the drill bit 1 and the drill stem 2 are provided with a same V-shaped chip groove 7, the length of the V-shaped chip groove 7 is smaller than the sum of the lengths of the drill bit 1 and the drill stem 2, the angle of the V-shaped chip groove 7 is 120 degrees, the lowest point of the V-shaped chip groove 7 and the center of the drill bit 1 are mutually overlapped, the upper surface of the drill handle 4 is provided with a locking groove 8, the outer surface of the drill handle 4 is provided with a plurality of locking bulges 9, the locking bulges 9 are all arranged in parallel with the central axis of the drill handle 4, and the locking bulges 9 are distributed on the outer surface of the drill handle 4 in an array, the outer surface of the drill handle 4 is provided with the locking groove 8 and the locking bulges 9 which are distributed in parallel to the central axis array of the drill handle 4, so that the drill handle 4 can be firmly fixed in a gun drill system through the locking groove 8 and the locking bulges 9, the stability of the drill rod 2 is improved, and the defects that in the process of processing deep holes, the drill rod 2 is longer and can shake to cause the connection part of the drill handle 4 and the gun drill system to be loosened and further cause the drill rod 2 to be broken and influence the processing effect of the existing deep hole processing gun drill are overcome;
as shown in fig. 2, a preferred embodiment of the present invention is: the outer surface of the drill bit 1 is provided with two auxiliary cutting edges 10, and the two auxiliary cutting edges 10 are arranged perpendicular to the central axis of the drill bit 1, so that the processing precision and the surface smoothness are improved conveniently;
as shown in fig. 3, a preferred embodiment of the present invention is: the leading-in portion has all been seted up to the drill handle 4 and the drill neck 3 junction and the drill handle 4 one end of keeping away from the drill neck 3, and the angle of leading-in portion is unilateral 15, is convenient for take and save the gun drill.
It should be noted that, in the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "fixed" are to be understood in a broad sense, and may be, for example, either fixedly or detachably connected; or indirectly through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. A gun drill for deep hole machining comprises a drill bit (1) and is characterized in that a drill rod (2) is fixed at one end of the drill bit (1), a drill neck (3) is fixed at one end, far away from the drill bit (1), of the drill rod (2), and a drill handle (4) is fixedly connected at one end, far away from the drill rod (2), of the drill neck (3);
cutting edge (5) have been seted up to the other end of drill bit (1), cutting fluid hole (6) have been seted up to the terminal surface downside of drill bit (1) other end, same V type chip groove (7) have been seted up to the upper surface of drill bit (1) and drilling rod (2), locking recess (8) have been seted up to the upper surface of drillstock (4), the surface of drillstock (4) begins to have a plurality of locking arch (9).
2. Deep hole processing gun drill according to claim 1, characterized in that the outer surface of the drill bit (1) is provided with two auxiliary cutting edges (10), and the two auxiliary cutting edges (10) are arranged perpendicular to the central axis of the drill bit (1).
3. Deep hole processing gun drill according to claim 1, characterized in that the joint of the drill shank (4) and the drill neck (3) and the end of the drill shank (4) away from the drill neck (3) are provided with a lead-in part, and the angle of the lead-in part is a single side of 15 °.
4. A gun drill for deep hole machining according to claim 1, characterized in that the drill head (1) and the drill rod (2) are made of high-strength alloy steel, the drill neck (3) and the drill shank (4) are made of high-speed steel, and the drill head (1) and the drill rod (2) are heat treated.
5. Deep-hole-machining gun drill according to claim 1, characterized in that the diameter of the drill neck (3) is larger than the diameter of the drill rod (2), the diameter of the drill shank (4) is larger than the diameter of the drill neck (3), and the centre axes of the drill bit (1), the drill rod (2), the drill neck (3) and the drill shank (4) coincide with each other.
6. Deep hole machining gun drill according to claim 1, characterized in that the cutting fluid hole (6) extends through the drill bit (1), the drill rod (2), the drill neck (3) and the drill shank (4) from the other end face of the drill bit (1) and is flush with the end face of the drill shank (4) at the end far from the drill neck (3), and the cutting fluid hole (6) is arranged parallel to the central axis of the drill rod (2).
7. A gun drill for deep hole machining according to claim 1, characterized in that the length of the V-shaped chip groove (7) is smaller than the sum of the lengths of the drill bit (1) and the drill rod (2), the angle of the V-shaped chip groove (7) is 120 °, and the lowest point of the V-shaped chip groove (7) and the center of the drill bit (1) coincide with each other.
8. Deep-hole machining gun drill according to claim 1, characterized in that a plurality of said locking protrusions (9) are arranged parallel to the central axis of the drill shank (4), and a plurality of said locking protrusions (9) are distributed in an array on the outer surface of the drill shank (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120141927.2U CN214769180U (en) | 2021-01-19 | 2021-01-19 | Deep hole processing gun drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120141927.2U CN214769180U (en) | 2021-01-19 | 2021-01-19 | Deep hole processing gun drill |
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| Publication Number | Publication Date |
|---|---|
| CN214769180U true CN214769180U (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120141927.2U Active CN214769180U (en) | 2021-01-19 | 2021-01-19 | Deep hole processing gun drill |
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| CN (1) | CN214769180U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878137A (en) * | 2021-12-08 | 2022-01-04 | 浙江辉旺机械科技股份有限公司 | Machining process of mold thin-wall ultra-deep micro hole |
-
2021
- 2021-01-19 CN CN202120141927.2U patent/CN214769180U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113878137A (en) * | 2021-12-08 | 2022-01-04 | 浙江辉旺机械科技股份有限公司 | Machining process of mold thin-wall ultra-deep micro hole |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221202 Address after: No. 788, Beiwu Road, Minhang District, Shanghai, 200,000 Patentee after: Chengdun tunnel an underground engineering Co.,Ltd. Address before: 510030 No. 19, YingYuan Road, Yuexiu District, Guangzhou, Guangdong Patentee before: Li Chaozhen |
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| TR01 | Transfer of patent right |