CN203804282U - Rotary spitting drill - Google Patents
Rotary spitting drill Download PDFInfo
- Publication number
- CN203804282U CN203804282U CN201320669565.XU CN201320669565U CN203804282U CN 203804282 U CN203804282 U CN 203804282U CN 201320669565 U CN201320669565 U CN 201320669565U CN 203804282 U CN203804282 U CN 203804282U
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- Prior art keywords
- drill bit
- interior
- cutting
- driving shaft
- rotation
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Abstract
The utility model discloses a rotary spitting drill, which comprises an outer drill bit and an inner drill bit, wherein the outer drill bit is fitted with a first drive shaft, and rotates around a center of rotation according to a first direction; the inner drill bit is fitted with a second drive shaft, and rotates around the center of rotation according to a direction opposite to the outer drill bit; the first drive shaft and the second drive shaft are concentric; the outer drill bit and the inner drill bit respectively comprise a drill bit body and a cutting edge; the cutting edges are respectively at the same ends of the outer drill bit body and the inner drill bit body; the cutting edges of the outer drill bit and the inner drill bit do rotary splitting motion along with the rotation of the drill bits. The utility model provides the rotary spitting drill which is efficient in drilling, strong in self-drilling capacity, has no impact vibration, is capable of automatically balancing a cutting force and is stable and reliable; the rotary spitting drill is suitable for quick drilling of concrete, stone, wood, metal and geological prospecting.
Description
Technical field
The utility model relates to a kind of rotation to cutting brill, belongs to boring bar tool and apparatus field.
Background technology
Existing drilling technique mainly contains two kinds of modes: the bit bore of single direction rotation and rotary-cut.The single direction rotation inevitable reverse impact of holing, enters ability certainly, needs very large propelling normal pressure and torsional rotation force; Though unidirectional percussive drilling can solve to part material boring certainly enter problem, noise is very large, inapplicable for large-diameter borehole.Rotary-cut is Multi-drill bit and follows main shaft rotation and revolution simultaneously, and complex structure is applicable to large-diameter borehole; But cannot realize for small-bore boring.A kind of efficient drilling of market in urgent need, certainly enter ability strong, advance normal pressure little, without impact shock, cutting force homeostasis, without torsional rotation force, reliable and stable rotation to cutting brill; Both be applicable to handheld tool, be applicable to again industrial equipment; Be applicable to various material as the rapid drilling of mixed earth, stone material, timber, metal and geological drilling.
To cutting, to bore be that concentric drive shaft by drive transmission drives outer drill bit and interior drill bit simultaneously in rotation, and one moves in the direction of the clock, and one by counterclockwise rotating, thereby produce opposite direction rotating to cutting motion.Because the cut direction of outer drill bit and interior drill bit is contrary, outer drill bit and interior drill bit be balance when cutting mutually, and the reaction force of cut material material, transforms negative energy for cutting positive energy; Realize and automatically pierce the steady rapid drilling of object.
Summary of the invention
The purpose of this utility model be to provide a kind of efficient drilling, certainly enter ability strong, advance normal pressure little, without impact shock, cutting force homeostasis, without torsional rotation force, reliable and stable rotation to cutting brill; Not only be applicable to handheld tool but also be applicable to industrial equipment, be applicable to various material as the rapid drilling of mixed earth, stone material, timber, metal and geological drilling.
The purpose of this utility model is to be achieved through the following technical solutions:
Rotation, to cutting a brill, comprising: outer drill bit, adapts to the first driving shaft and rotate according to first direction around pivot; Interior drill bit, adapt to the second driving shaft and around pivot according to the direction rotation contrary with first direction; Outer drill bit and interior drill bit arrange with one heart; Outer drill bit and interior drill bit comprise bit body and cutting edge, and cutting edge is arranged on same one end of outer bit body and interior bit body; The cutting edge of outer drill bit and interior drill bit is along with drill bit rotates to form rotation to cutting motion.Between drill bit and the bit body of interior drill bit, bearing is set outside, outer drill bit concentric fit bearing outer ring, interior drill bit concentric fit bearing inner race.
Concrete scheme is: rotation comprises cutting to bore: to cutting drill bit, drilling rod, drill chuck and drive transmission.The direction of rotation of the first driving shaft that drive transmission output arranges and the second concentric driving shaft is contrary.Drill chuck comprises outer chuck and concentric interior chuck; Drilling rod comprises outer drilling rod and concentric interior drilling rod; To cutting drill bit, comprise outer drill bit and concentric interior drill bit; The first driving shaft connects outer chuck, chuck in the second driving shaft connects; Outer clip head-clamp is held outer drilling rod, drilling rod in interior chuck coupling connects; Outer drill bit connects the drive end of outer drilling rod, the drive end of drilling rod in interior drill bit connects; When the first driving shaft and the rotation of the second driving shaft, drive respectively outer drill bit and interior drill bit to do and rotate cutting motion.
Further, rotation comprises driving pinion, the first engaged gear, the second engaged gear to cutting the drive transmission of brill; First gear secure fit the first driving shaft, second gear secure fit the second driving shaft.
Preferably, driving pinion, the first gear and the second gear are bevel gear.This mode is to produce synchronous backward to rotate optimized transmission structures.
Further, the first driving shaft is hollow shaft; The second driving shaft passes through the first driving shaft, and is located and formed Concentric rotation relation by bearing.
Further, the endoporus of outer bit body arranges the outer ring of the adaptive bearing of seam locating surface, and the outer ring opposite side of bearing arranges axial location; The inner ring that the adaptive bearing of seam locating surface is set at the cylindrical of interior bit body, the inner ring opposite side of bearing arranges axial location.Outer like this drill bit and interior drill bit connect the rotation of being integrally formed Concentric rotation to cutting drill bit by bearing.
The beneficial effects of the utility model are: the concentric drive shaft by drive transmission drives outer drill bit and interior drill bit simultaneously, and one moves in the direction of the clock, and one is rotated by counter clockwise direction, thereby the opposite direction rotating producing is to cutting motion.Because the cut direction of outer drill bit and interior drill bit is contrary, outer drill bit and interior drill bit be balance when cutting mutually, and the reaction force of cut material material transforms negative energy for cutting positive energy, without impact shock, cutting force homeostasis, without torsional rotation force; Realize from entering to pierce the steady rapid drilling of object.
Accompanying drawing explanation
With reference to the accompanying drawings the utility model is described in further detail below.
Accompanying drawing 1 is for rotation of the present utility model is to cutting the structural representation of brill.
In figure:
1, to cutting drill bit; 11, outer drill bit; 12, interior drill bit; 13, bearing; 2, drilling rod; 21, outer drilling rod; 22, interior drilling rod; 3, drill chuck; 31, outer chuck; 32, interior chuck; 4, drive transmission; 41, the first driving shaft; 42, the second driving shaft; 43, driving pinion; 44, the first gear; 45, the second gear.
The specific embodiment
Below preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model and feature can more change places and be understood by those skilled in the art, thereby protection domain of the present utility model is made to more explicit defining.
Referring to accompanying drawing 1, be that rotation of the present utility model is to cutting the structural representation of brill.Rotary-cut in the utility model is to cutting the structure of brill, that concentric drive shaft by drive transmission drives outer drill bit and interior drill bit simultaneously, one moves in the direction of the clock, and one by counterclockwise rotating, thereby the opposite direction rotating producing is to cutting, motion realizes.
Specifically: rotary-cut comprises cutting to bore: to cutting drill bit 1, drilling rod 2, drill chuck 3 and drive transmission 4.To cutting drill bit 1, comprise outer drill bit 11 and concentric interior drill bit 12; Drilling rod 2 comprises outer drilling rod 21 and concentric interior drilling rod 22; Drill chuck 3 comprises outer chuck 31 and concentric interior drill bit 32; The direction of rotation of the first driving shaft 41 that drive transmission 4 outputs arrange and the second concentric driving shaft 42 is contrary.
The first driving shaft 41 connects outer chuck 31, the second driving shafts 42 and connects interior chuck 32; The outer drilling rod 21 of outer chuck 31 clamping, drilling rod 22 in interior chuck 32 couplings connect; Outer drill bit 11 connects the drive end of outer drilling rod 21, the drive end of drilling rod 22 in interior drill bit 12 connects; When the first driving shaft 41 and the second driving shaft 42 rotation, drive respectively outer drill bit 11 and interior drill bit 12 to do and rotate cutting motion.
Drive transmission 4 comprises driving pinion 43, the first engaged gear 44 and the second gear 45 being engaged; First gear 44 secure fit first driving shaft 41, the second gear 45 secure fit the second driving shafts 42.Driving pinion 43, the first gear 44 and the second gear 45 are bevel gear.This mode is to produce synchronous backward to rotate optimized transmission structures.
The first driving shaft 41 is hollow shaft; The second driving shaft 42 passes through the first driving shaft 41, and is located and formed Concentric rotation relation by bearing.
In use, interior drilling rod slips into the driving coupling aperture that is arranged on interior chuck; Outer drill bit is held by outer clip head-clamp; When the first driving shaft and the rotation of the second driving shaft, will drive outer drill bit and interior drill bit, one moves in the direction of the clock, one by counterclockwise rotating, thereby the opposite direction rotating producing is to cutting motion, and rotation will enter to pierce object certainly to the cutting edge of cutting, and realizes and holing without torsional rotation force.
Above embodiment is just explanation technical conceive of the present utility model and feature; its object is to allow those skilled in the art understand content of the present utility model; can not limit protection domain of the present utility model with this, all equivalences that Spirit Essence is done according to the present invention change or modification is all encompassed in protection domain of the present utility model.
Claims (6)
1. rotation, to cutting a brill, comprising:
Outer drill bit (11), adapts to the first driving shaft (41) and rotates according to first direction around pivot;
Interior drill bit (12), adapt to the second driving shaft (42) and around pivot according to the direction rotation contrary with first direction;
Outer drill bit (11) and interior drill bit (12) arrange with one heart;
Outer drill bit (11) and interior drill bit (12) comprise bit body and cutting edge, and cutting edge is arranged on same one end of outer bit body and interior bit body; The cutting edge of outer drill bit (11) and interior drill bit (12) is along with drill bit rotates to form rotation to cutting motion.
2. a kind of rotation according to claim 1 is to cutting brill, between drill bit (11) and the bit body of interior drill bit (12), bearing (13) is set outside, outer drill bit (11) concentric fit bearing outer ring, interior drill bit (12) concentric fit bearing inner race.
3. rotation, to cutting a brill, is characterized in that,
Comprise: to cutting drill bit (1), drilling rod (2), drill chuck (3) and drive transmission (4);
The direction of rotation of the first driving shaft (41) that described drive transmission (4) output arranges and concentric the second driving shaft (42) is contrary; Described drill chuck (3) comprises outer chuck (31) and concentric interior chuck (32); Described drilling rod (2) comprises outer drilling rod (21) and concentric interior drilling rod (22); Describedly to cutting drill bit (1), comprise outer drill bit (11) and concentric interior drill bit (12);
Described the first driving shaft (41) connects described outer chuck (31), and described the second driving shaft (42) connects described interior chuck (32); Described outer chuck (31) clamps described outer drilling rod (21), and described interior chuck (32) coupling connects described interior drilling rod (22); Described outer drill bit (11) connects the drive end of described outer drilling rod (21), and described interior drill bit (12) connects the drive end of described interior drilling rod (22); When described the first driving shaft (41) and the second driving shaft (42) rotation, drive respectively described outer drill bit (11) and interior drill bit (12) to do and rotate cutting motion.
4. a kind of rotation according to claim 3, to cutting brill, is characterized in that, described drive transmission (4) comprises driving pinion (43), engaged the first gear (44) and the second gear (45) being engaged; The first driving shaft (41) described in described the first gear (44) secure fit, the second driving shaft (42) described in described the second gear (45) secure fit.
5. a kind of rotation according to claim 4, to cutting brill, is characterized in that, described driving pinion (43), the first gear (44) and the second gear (45) are bevel gear.
6. a kind of rotation according to claim 3, to cutting brill, is characterized in that, described the first driving shaft (41) is hollow shaft; Described the second driving shaft (42) passes through described the first driving shaft (41), and is located and formed Concentric rotation relation by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669565.XU CN203804282U (en) | 2013-10-28 | 2013-10-28 | Rotary spitting drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320669565.XU CN203804282U (en) | 2013-10-28 | 2013-10-28 | Rotary spitting drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203804282U true CN203804282U (en) | 2014-09-03 |
Family
ID=51443093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320669565.XU Expired - Fee Related CN203804282U (en) | 2013-10-28 | 2013-10-28 | Rotary spitting drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203804282U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551631A (en) * | 2013-10-28 | 2014-02-05 | 苏州天健旋切技术有限公司 | Rotary bisection drill |
| CN109488210A (en) * | 2018-10-12 | 2019-03-19 | 徐州市三成铸业有限公司 | A kind of bilayer drill bit |
| CN114059970A (en) * | 2021-11-16 | 2022-02-18 | 吉林大学 | Bidirectional rotary multifunctional experiment platform with vibration function |
-
2013
- 2013-10-28 CN CN201320669565.XU patent/CN203804282U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551631A (en) * | 2013-10-28 | 2014-02-05 | 苏州天健旋切技术有限公司 | Rotary bisection drill |
| CN109488210A (en) * | 2018-10-12 | 2019-03-19 | 徐州市三成铸业有限公司 | A kind of bilayer drill bit |
| CN114059970A (en) * | 2021-11-16 | 2022-02-18 | 吉林大学 | Bidirectional rotary multifunctional experiment platform with vibration function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Suzhou Tianjian Rotary Cutting Technology Co., Ltd. Document name: Notification to Pay the Fees |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140903 Termination date: 20151028 |
|
| EXPY | Termination of patent right or utility model |