CN209598274U - A kind of deep hole machining bta deep hole drilling - Google Patents
A kind of deep hole machining bta deep hole drilling Download PDFInfo
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- CN209598274U CN209598274U CN201822190140.6U CN201822190140U CN209598274U CN 209598274 U CN209598274 U CN 209598274U CN 201822190140 U CN201822190140 U CN 201822190140U CN 209598274 U CN209598274 U CN 209598274U
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- cutting tip
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Abstract
The utility model relates to a kind of deep hole machining bta deep hole drillings, belong to field of machining.Gun drilling refers to that device to hole carries out the processing of relatively large hole depth Yu diameter ratio, the hole of general Drill Techniques production, few more than the 5 times diameters of the depth in hole, and in gun drilling, this ratio may be up to 100:1, and any Kong Douying for being greater than 10 times of diameters is known as deep hole.Deep hole needs to meet interior chip removal in drilling process, and drilling resistance is also relatively low, and borehole accuracy must assure that again, and the machinability of cutter also must assure that.Product on the market is mainly that 1 cutting edge of 3 cutting edges distribution cuttings or cutter is provided with step at present, and such cutter drilling resistance is big, drilling bits cannot effectively disjunction, discharge, situations such as easily causing stifled bits.A kind of deep hole machining described in the utility model is able to satisfy the gun drilling in small dimension aperture with bta deep hole drilling, and drilling resistance is small, drilling bits disjunction is clear-cut, is not easy stifled bits.
Description
Technical field
The utility model relates to a kind of deep hole machining bta deep hole drillings, belong to field of machining.
Background technique
Gun drilling refers to that device to hole carries out the processing of relatively large hole depth Yu diameter ratio, and general normal Drill Techniques are given birth to
The hole of production, few more than 5 times diameters of hole depth, and in gun drilling, this ratio may be up to 100:1, and any be greater than 10
The Kong Douying of times diameter is known as deep hole.Deep hole needed in drilling process meet can within chip removal, drilling resistance is also relatively low,
Borehole accuracy must assure that the machinability of cutter also must assure that again.
Product on the market is mainly 3 cutting edge distribution cuttings at present, can cause that more small dimension cannot be processed in this way
Cutter diameter or 1 cutting edge of cutter be provided with step, such as application No. is 201511022120.2 Hes
201020275341.7 Chinese patent, such cutter drilling resistance is big, and drilling bits cannot effectively disjunction, discharge, cause
Situations such as stifled bits.
Drill gun on the market can be than the hole of depth drill drilling smaller diameter, but depth drill then has higher life compared with drill gun
It produces efficiency (4 times or so), should preferentially use depth drill whenever possible.
Based on the above issues, lack that a kind of gun drilling for being able to satisfy small dimension aperture, drilling resistance be small, drilling on the market
Bits disjunction is clear-cut, is not easy the depth drill of stifled bits.
Utility model content
The purpose of the utility model is to overcome the above deficiencies in the existing technologies, and provide a kind of structure design conjunction
The deep hole machining bta deep hole drilling of reason, the deep hole machining is with bta deep hole drilling with easy to process, drilling resistance is small, bores
Swarf disjunction is clear-cut, the characteristics of adapting to the deep hole machining compared with small dimension aperture and can guarantee the precision of drawbore.
The technical scheme in the invention for solving the above technical problem is: a kind of deep hole machining bta deep hole drilling,
Including drill bit, the drill bit includes cutter hub and knife handle, and drill bit has axis, and the cutter hub is connected with knife handle along axis；Its feature
It is, the cutter hub is provided with big cutting tip, small cutting tip and guide pad, the big cutting tip and small cutting tip
Be arranged radially in the end of cutter hub, big cutting tip by being radially extended in the middle part of cutter hub end to the end edge of cutter hub,
The middle part of cutter hub end is arranged in small cutting tip, and big cutting tip and small cutting tip are arranged in the two sides of axis, big to cut
Blade and the dislocation of small cutting tip arrange that the end lateral surface of cutter hub is arranged in along axis for the guide pad, and guide pad includes leading
To block one and guide pad two, the guide pad one is radially arranged at 180 ° with big cutting tip；The drill bit further includes imperial palace
Chip space and small interior chip space, the imperial palace chip space and the small interior chip space inside that drill bit be set through along axis,
Imperial palace chip space and small interior chip space by cutter hub end along axis extend to cutter hub inside and the merged inside of cutter hub simultaneously
Continue to extend to the end of knife handle, imperial palace chip space is corresponding with the position of big cutting tip, small interior chip space and small interior chip removal
The position of slot is corresponding.Rationally, small cutting tip has the function of the big cutting tip drilling bits of disjunction for design, is conducive to drilling bits row
Out, drilling resistance is reduced；Guide pad plays support hole wall along the end lateral surface that cutter hub is arranged in axis, guarantees gun drilling essence
The effect of degree；Imperial palace chip space is corresponding with the position of big cutting tip, and small interior chip space is opposite with the position of small interior chip space
It answers, the drilling generated after drilling bits is facilitated to be expelled directly out, normal drilling will not be led to not because of stifled bits.
More specifically, the guide pad one and two angulation of guide pad are 105 °~115 °.Guide pad one and guiding
Two Position Design of block is reasonable, and when drilling plays the role of support guide.
More specifically, the big cutting tip and small cutting tip angulation are 180 °.Big cutting tip is cut with small
Paring blade Position Design is reasonable, and small cutting tip plays the role of the big cutting tip drilling bits of disjunction, reduces drilling resistance.
More specifically, the imperial palace chip space and small interior chip space are arranged in the end of cutter hub at 180 °.Design is reasonable.
More specifically, the imperial palace chip space and small interior chip space are in the end of cutter hub formation conical horn mouth.It is conducive to
Drilling bits cross along axis, and are discharged by knife handle.
More specifically, the big cutting tip, small cutting tip and guide pad are weldingly fixed on cutter hub.Technique letter
It is single, reasonable.
More specifically, the big cutting tip is fixed on cutter hub using clip type screw.After big cutting tip loss
Replaceable new blade continues drilling, with the low advantage of tool sharpening and use cost；Also replaceable difference as needed
The blade of specification, it is applied widely.
More specifically, it is distributed between the big cutting tip and small cutting tip for step, forms step point bits knot
Structure is more effectively segmented the drilling bits of each cutting edge excision.
More specifically, in drilling process, the position and centre portion of the outer ring 34% of circumference where big cutting tip cutting hole
40% position, the position at the middle part 26% of circumference where small cutting tip cutting hole.Borehole accuracy is high.
The utility model compared with prior art, has the following advantages that and effect:
1. having two big cutting tip, small cutting tip cutting tip dislocation designs, segmentation cutting reduces cutting resistance
Power；Structure, the Position Design of big cutting tip and small cutting tip are reasonable, and small cutting tip has the big cutting tip drilling of disjunction
The effect of bits is conducive to drilling bits discharge, reduces drilling resistance.
2. the work that guide pad plays support hole wall along the end lateral surface that cutter hub is arranged in axis, guarantees gun drilling precision
It is arranged with, guide pad one and big cutting tip at 180 °, rationally, when drilling can play the role of support guide, guarantee drilling for design
Hole afterwards there is no bending, cylindricity situations such as.
3. imperial palace chip space is corresponding with the position of big cutting tip, small interior chip space is opposite with the position of small interior chip space
It answers, the drilling generated after drilling bits is facilitated to be expelled directly out, normal drilling will not be led to not because of stifled bits.
4. big cutting tip and cutter hub are fixed with two kinds of structures of welded type and clip type, can be selected according to actual needs
It selects, it is applied widely.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model embodiment.
Fig. 2 is the structure of the cutter body schematic diagram of the utility model embodiment.
Fig. 3 is the schematic view of the front view of the utility model embodiment.
Fig. 4 is the left view structural representation of the utility model embodiment.
Fig. 5 is the face the A-A cross-sectional view of Fig. 4.
Fig. 6 is the big cutting tip of the utility model embodiment and the location arrangements of small cutting tip and its cutting zone knot
Structure schematic diagram.
Fig. 7 is that the big cutting tip of the utility model embodiment is fixed on the overall structure on cutter hub using clip type screw
Schematic diagram.
In figure: drill bit 1, big cutting tip 2, small cutting tip 3, guide pad 4, axis 5, cutter hub 6, knife handle 7, imperial palace chip removal
Slot 8, small interior chip space 9, screw 10, guide pad 1, guide pad 2 402.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing and by embodiment, and following embodiment is pair
The explanation of the utility model and the utility model is not limited to following embodiment.
Embodiment.
Referring to Fig. 1 to Fig. 7, a kind of deep hole machining bta deep hole drilling, including drill bit 1, drill bit 1 include cutter hub 6 and knife
There is axis 5, cutter hub 6 and knife handle 7 to connect along axis 5 for handle 7, drill bit 1.
Cutter hub 6 is provided with big cutting tip 2, small cutting tip 3 and guide pad 4, big cutting tip 2 and small cutting tip
3 are arranged radially in the end of cutter hub 6, and big cutting tip 2 in the middle part of 6 end of cutter hub by radially extending to the end of cutter hub 6
The middle part of 6 end of cutter hub is arranged in edge, small cutting tip 3, and big cutting tip 2 is arranged in the two of axis 5 with small cutting tip 3
Side, big cutting tip 2 are 180 ° with small 3 angulation of cutting tip, and rationally, small cutting tip 3 has the big cutting of disjunction for design
The effect of the drilling bits of blade 2, reduces drilling resistance；Big cutting tip 2 is arranged with the dislocation of small cutting tip 3, is played segmentation and is cut
It cuts, reduces the effect of cutting resistance；The end lateral surface of cutter hub 6 is arranged in along axis 5 for guide pad 4, and guide pad 4 includes guide pad
One 401 and guide pad 2 402, guide pad 1 and big cutting tip 2 are arranged along at 180 °, and when drilling can play support guide
Effect, guarantee drilling after hole there is no bending, cylindricity situations such as；Guide pad 1 and 2 402 angulation of guide pad
A=105 °~115 °.
Drill bit 1 further includes imperial palace chip space 8 and small interior chip space 9, and imperial palace chip space 8 and small interior chip space 9 are passed through along axis 5
The inside that drill bit 1 is arranged in of general formula, imperial palace chip space 8 and small interior chip space 9 extend to knife along axis 5 by the end of cutter hub 6
The inside of body 6 simultaneously extends to the end of knife handle 7, imperial palace chip space 8 and big cutting tip 2 in the merged inside of cutter hub 6 and continuing
Position it is corresponding, small interior chip space 9 is corresponding with the position of small interior chip space 9；Imperial palace chip space 8 and small interior chip space 9 exist
The end of cutter hub 6 arranges that imperial palace chip space 8 and small interior chip space 9 are in the end of cutter hub 6 formation conical horn mouth at 180 °.Benefit
It considers to be worth doing in drilling and crosses along axis 5, and be discharged by knife handle 7.
Big cutting tip 2 is weldingly fixed on cutter hub 6, or, big cutting tip 2 is fixed on cutter hub using clip type screw 10
On 6；Small cutting tip 3 and guide pad 4 are weldingly fixed on cutter hub 6.
A kind of drilling process using deep hole machining bta deep hole drilling as described above, drill bit 1 is connect with drilling pipe,
Drilling pipe includes drilling pipe and oil pressure sealing ring, has conveying cutting fluid between drilling pipe and oil pressure sealing ring and drill bit (1) and workpiece
Ring cavity, knife handle 7 are connect with drilling pipe；Cutting fluid conveying device is opened, cutting fluid is conveyed from ring cavity to drill body, starts to bore
It cuts, the drilling bits that big cutting tip 2 is cut are expelled directly out and/or by being discharged after small 3 disjunction of cutting tip, cutting fluid enters imperial palace
Chip space 8 and small interior chip space 9 push drilling bits to cross along axis 5 and are discharged by cutter hub 6 and knife handle 7.
In drilling process, the position of the outer ring 34% of circumference, cutting edge where the cutting edge H1 cutting hole of big cutting tip 2
The position in the center 40% of circumference where H3 cutting hole, the middle part 26% of circumference where the cutting edge H2 cutting hole of small cutting tip 3
Position.
Although the utility model is disclosed as above with embodiment, its protection model being not intended to limit the utility model
It encloses, any technical staff for being familiar with this technology, made change and profit in the conception and scope for not departing from the utility model
Decorations, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of deep hole machining bta deep hole drilling, including drill bit (1), the drill bit (1) includes cutter hub (6) and knife handle (7),
There is drill bit (1) axis (5), the cutter hub (6) and knife handle (7) to connect along axis (5)；It is characterized in that, the cutter hub (6) sets
It is equipped with big cutting tip (2), small cutting tip (3) and guide pad (4), the big cutting tip (2) and small cutting tip (3)
It is arranged radially in the end of cutter hub (6), big cutting tip (2) in the middle part of cutter hub (6) end by radially extending to cutter hub (6)
End edge, the setting of small cutting tip (3) is at the middle part of cutter hub (6) end, big cutting tip (2) and small cutting tip (3)
The two sides of axis (5) are arranged in, big cutting tip (2) and small cutting tip (3) dislocation arrange that the guide pad (4) is along axis
(5) the end lateral surface in cutter hub (6) is set, and guide pad (4) includes guide pad one (401) and guide pad two (402), described to lead
It is radially arranged to block one (401) and big cutting tip (2) at 180 °；The drill bit (1) further includes imperial palace chip space (8) and small
Interior chip space (9), the imperial palace chip space (8) and small interior chip space (9) are along the through setting of axis (5) in drill bit (1)
Inside, imperial palace chip space (8) and small interior chip space (9) are extended to the inside of cutter hub (6) by the end of cutter hub (6) along axis (5)
And the end of knife handle (7) is extended in the merged inside of cutter hub (6) and continuing, imperial palace chip space (8) and big cutting tip (2)
Position is corresponding, and small interior chip space (9) is corresponding with the position of small interior chip space (9).
2. deep hole machining bta deep hole drilling according to claim 1, which is characterized in that the guide pad one (401)
It is 105 °~115 ° with guide pad two (402) angulation, the big cutting tip (2) and small cutting tip (3) angulation
It is 180 °, the guide pad (4) is weldingly fixed on cutter hub (6).
3. deep hole machining bta deep hole drilling according to claim 1, which is characterized in that the imperial palace chip space (8)
It is arranged in the end of cutter hub (6) at 180 ° with small interior chip space (9), the small cutting tip (3) is weldingly fixed on cutter hub (6)
On, the big cutting tip (2) is welded and fixed or is fixed on cutter hub (6) using clip type screw (10).
4. deep hole machining bta deep hole drilling according to claim 1, which is characterized in that the imperial palace chip space (8)
Conical horn mouth is formed in the end of cutter hub (6) with small interior chip space (9).
5. deep hole machining bta deep hole drilling according to claim 1, which is characterized in that the big cutting tip (2)
It is distributed between small cutting tip (3) for step, forms step point bits structure, be more effectively segmented the drilling of each cutting edge excision
Bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822190140.6U CN209598274U (en) | 2018-12-25 | 2018-12-25 | A kind of deep hole machining bta deep hole drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822190140.6U CN209598274U (en) | 2018-12-25 | 2018-12-25 | A kind of deep hole machining bta deep hole drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209598274U true CN209598274U (en) | 2019-11-08 |
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ID=68398357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822190140.6U Active CN209598274U (en) | 2018-12-25 | 2018-12-25 | A kind of deep hole machining bta deep hole drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209598274U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178564A (en) * | 2021-12-31 | 2022-03-15 | 四川普什宁江机床有限公司 | Deep hole reverse boring cutter for thin-wall pipe |
-
2018
- 2018-12-25 CN CN201822190140.6U patent/CN209598274U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114178564A (en) * | 2021-12-31 | 2022-03-15 | 四川普什宁江机床有限公司 | Deep hole reverse boring cutter for thin-wall pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 314301 No. 699, Yanshan Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Xinxing Tools Co.,Ltd. Address before: No. 33, Huanbei Road, liuliji Town, Shupu Town, Haiyan County, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG XINXING TOOLS Co.,Ltd. |
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| CP03 | Change of name, title or address |