CN110280810A - A kind of two-point bit with high cutting ability - Google Patents
A kind of two-point bit with high cutting ability Download PDFInfo
- Publication number
- CN110280810A CN110280810A CN201910540061.XA CN201910540061A CN110280810A CN 110280810 A CN110280810 A CN 110280810A CN 201910540061 A CN201910540061 A CN 201910540061A CN 110280810 A CN110280810 A CN 110280810A
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- CN
- China
- Prior art keywords
- shank
- hickey
- nipple
- fixed
- connect
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/02—Twist drills
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/02—Connections between shanks and removable cutting heads
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/70—Drills with vibration suppressing means
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of two-point bits with high cutting ability, including drill bit, drive screw, antislip ring, circular cone tail, shock-absorbing ball, shank, hickey, deflector chute, rake face, flank, nipple and limit shock absorbing ring.The beneficial effects of the present invention are: drive screw is fastened in the tapped through hole on hickey and nipple by threaded hole, antislip ring is the tubular structure that surface is provided with anti-skid chequer, and its set is at the middle part of shank, and junction is fixed by being welded to connect, circular cone tail is fixed on the right end of shank by being welded to connect, and shock-absorbing ball is by being welded to connect the right end in circular cone tail, nipple is fixed on the left end of shank by being welded to connect, and nipple carries out threaded hole with hickey and is connected and fixed, limiting shock absorbing ring is circle cyclic structure made of high durometer rubber material, and its junction by being pasted and fixed on hickey and nipple.
Description
Technical field
The present invention relates to a kind of two-point bit, specially a kind of two-point bit with high cutting ability belongs to bite
Has technical field.
Background technique
Fluted drill is the rotary cutting by its relatively fixed axis with the tool of the circular hole of drilling workpiece, because of its chip pocket
Spiral and be similar to fried dough twist and gain the name, helicla flute has 2 slots, 3 slots or more, but most commonly seen with two slots, and fluted drill can quilt
It is clamped on manual, electric Handheld drill tool or drilling machine, milling machine, lathe or even machining center and uses, drill bit material one
As be high-speed tool steel or hard alloy, helical gear with helix angle angle be outermost circle on helical flue of drill helix expansion be in line after
With the angle of drill axis, since the lead of each point on helicla flute is identical, thus the helical angle at drill bit different-diameter is different
, helical angle is maximum at outer diameter, and smaller closer to mean spiral angle, increasing helical angle, then anterior angle increases, and is conducive to chip removal, but bore
Head Stiffness, the helical angle of standard fluted drill are 18 °~38 °, and drill bit lesser for diameter, helical angle should take smaller value,
To guarantee the rigidity of drill bit.
However on the market existing device it is more or less there is some problems, one, drill bit are non-exchange, are using
When once bit damage just can only will cause great waste to metal resource, while but also raw entirely by bit change-over
Produce cost greatly improve, secondly, bearing there is no non-skid feature, lead to it, drill bit at work be easy slip, user is made
At some potential safety problems, thirdly, there is no shock absorption buffering mechanism, in use, due to being collided between drill bit and workpiece, produce
Raw vibration, is easy to produce metal fatigue, substantially reduces service life.
Summary of the invention
The object of the invention is that providing a kind of two-point bit with high cutting ability to solve the above-mentioned problems.
The present invention is through the following technical solutions to achieve the above objectives: a kind of two-point bit with high cutting ability, packet
Drill bit, drive screw, antislip ring, circular cone tail, shock-absorbing ball, shank, hickey, deflector chute, rake face, flank, screw thread is included to connect
Head and limit shock absorbing ring, the drill bit, drive screw, antislip ring, circular cone tail, shock-absorbing ball, shank, hickey, deflector chute, preceding knife
Face, flank, nipple and limit shock absorbing ring constitute the main structure of the two-point bit with high cutting ability, the brill
Head is the most crucial structure of whole device, and the left end of hickey is fixed on by being welded to connect, and the drive screw setting exists
On hickey, the middle part of shank is arranged in the antislip ring, and the right end of shank is arranged in the circular cone tail, and the shock-absorbing ball is set
The right end in circular cone tail is set, the shank is the main structure of whole device, and the hickey is fixed on the right end of shank, institute
The helicla flute that deflector chute complies with edge of a knife trend is stated, and is arranged on drill bit, the rake face and flank are all curved-surface structure, edge
Anterior angle, the relief angle of main cutting edge each point are different, and for the anterior angle of chisel edge up to 55 degree, shank is arranged in the nipple
Left end, and tapped through hole is provided on nipple, the connection of hickey and nipple is arranged in the limit shock absorbing ring
Place.
Preferably, for the ease of the stability of the junction after bit change-over, prevent it from sliding at work, to making
User causes certain danger, and the drive screw is fastened on the screw thread on hickey and nipple by threaded hole and leads to
In hole.
Preferably, drill bit slips at work in order to prevent, causes it to cause security risk to user, while saving life
Produce cost, the antislip ring is that surface is provided with the tubular structure of anti-skid chequer, and its set is at the middle part of shank, and junction passes through
It is welded to connect and fixes.
Preferably, the clamping and centering of power and fixed drill bit, while reduction and work are cut for the ease of transmitting when drilling
The vibration that part generates when colliding, the circular cone tail is fixed on the right end of shank by being welded to connect, and shock-absorbing ball is connected by welding
The right end in circular cone tail is connect,
Preferably, component is replaced for convenience, reduces the waste of resource, while being also convenient for more bit change, saves production
Cost, the nipple is fixed on the left end of shank by being welded to connect, and nipple and hickey carry out threaded hole
It is connected and fixed.
Preferably, for the ease of absorbing the vibration generated when milling cutter work, while being convenient for drive screw can be accurate when installing
Be installed on corresponding position, the limit shock absorbing ring is circle cyclic structure made of high durometer rubber material, and it passes through
It is pasted and fixed on the junction of hickey and nipple.
Preferably, for the ease of cleaning container inside, the dead angle of less cleaning is prevented, while not interfering the upper of component
Lower movement, the gas-guide tube are made of folding rubber hose material, and upper end is fixed on the top of cleaning storehouse, and junction
It is reinforced by super glue, and it descends end cap on the venthole of grid beam side, and junction passes through seccotine and reinforces.
The beneficial effects of the present invention are: this is used to have the two-point bit design of high cutting ability reasonable, drive screw passes through
Threaded hole is fastened in the tapped through hole on hickey and nipple, convenient for the stabilization of the junction after bit change-over
Property, it prevents it from sliding at work, certain danger is caused to user, antislip ring is the pipe that surface is provided with anti-skid chequer
Shape structure, and its set is at the middle part of shank, and junction is fixed by being welded to connect, and is prevented drill bit from slipping at work, is caused
It causes security risk to user, while saving production cost, and circular cone tail is fixed on the right end of shank by being welded to connect, and
Shock-absorbing ball passes through the right end being welded to connect in circular cone tail, convenient for the clamping of transmitting cutting power and fixed drill bit when drilling and determines
The heart, while reducing the vibration generated when colliding with workpiece, nipple is fixed on the left end of shank, and screw thread by being welded to connect
Connector carries out threaded hole with hickey and is connected and fixed, and is convenient for changing component, reduces the waste of resource, while being also convenient for replacing
Drill bit saves production cost, increases economic efficiency, and limit shock absorbing ring is circle cyclic structure made of high durometer rubber material, and
Its junction by being pasted and fixed on hickey and nipple, convenient for absorbing the vibration generated when milling cutter work, simultaneously
Convenient for can be accurately installed on corresponding position when drive screw installation.
Detailed description of the invention
Fig. 1 is structure of the invention side view；
Fig. 2 is structure of the invention detailed cross sectional view.
In figure: 1, drill bit, 2, drive screw, 3, antislip ring, 4, circular cone tail, 5, shock-absorbing ball, 6, shank, 7, hickey, 8,
Deflector chute, 9, rake face, 10, flank, 11, nipple and 12, limit shock absorbing ring.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Please refer to Fig. 1~2, a kind of two-point bit with high cutting ability, including drill bit 1, drive screw 2, antislip ring 3,
Circular cone tail 4, shock-absorbing ball 5, shank 6, hickey 7, deflector chute 8, rake face 9, flank 10, nipple 11 and limit damping
Circle 12, the drill bit 1, drive screw 2, antislip ring 3, circular cone tail 4, shock-absorbing ball 5, shank 6, hickey 7, deflector chute 8, rake face
9, flank 10, nipple 11 and limit shock absorbing ring 12 constitute the main structure of the two-point bit with high cutting ability,
The drill bit 1 is the most crucial structure of whole device, and the left end of hickey 7, the screw thread are fixed on by being welded to connect
Nail 2 is arranged on hickey 7, and the middle part of shank 6 is arranged in the antislip ring 3, and the right side of shank 6 is arranged in the circular cone tail 4
The right end of circular cone tail 4 is arranged in end, the shock-absorbing ball 5, and the shank 6 is the main structure of whole device, the hickey 7
It is fixed on the right end of shank 6, the deflector chute 8 complies with the helicla flute of edge of a knife trend, and is arranged on drill bit 1, the rake face 9
It is all curved-surface structure with flank 10, anterior angle, the relief angle along main cutting edge each point are different, and the anterior angle of chisel edge is up to 55
Degree, the left end of shank 6 is arranged in the nipple 11, and tapped through hole is provided on nipple 11, the limit damping
The junction of hickey 7 and nipple 11 is arranged in circle 12.
The drive screw 2 is fastened in the tapped through hole on hickey 7 and nipple 11 by threaded hole, just
Stability in the junction after bit change-over, prevents it from sliding at work, and certain danger, institute are caused to user
It states antislip ring 3 and is that surface is provided with the tubular structure of anti-skid chequer, and its set is at the middle part of shank 6, and junction is connected by welding
Fixation is connect, prevents drill bit from slipping at work, causes it to cause security risk to user, while saving production cost, it is described
Circular cone tail 4 is fixed on the right end of shank 6 by being welded to connect, and shock-absorbing ball 5 passes through the right end being welded to connect in circular cone tail 4, just
The clamping and centering of transmitting cutting power and fixed drill bit when drilling, while reducing the vibration generated when colliding with workpiece, institute
The left end that nipple 11 is fixed on shank 6 by being welded to connect is stated, and nipple 11 and hickey 7 carry out threaded hole company
Fixation is connect, component is convenient for changing, reduces the waste of resource, while being also convenient for more bit change, saves production cost, is improved economical
Benefit, the limit shock absorbing ring 12 is circle cyclic structure made of high durometer rubber material, and it is by being pasted and fixed on screw thread
The junction of interface 7 and nipple 11 convenient for absorbing the vibration generated when milling cutter work, while being convenient for drive screw can when installing
To be accurately installed on corresponding position.
Working principle: using the two-point bit with high cutting ability, first will be anti-skidding on the shank 6 of entire drill bit
Circle 3 is fixed on corresponding clamping end, while ensuring that circular cone tail 4 and shock-absorbing ball 5 resist the inner tip of clamping end, starts work
Make, if being damaged after working long hours, rotate drive screw 2, be drawn off, then rotates hickey 7 for damaged drill bit 1 more
It changes, then new drill bit 1 is installed, drive screw 2 is fixed on the tapped through hole of drill bit 1 fixed.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of two-point bit with high cutting ability, it is characterised in that: including drill bit (1), drive screw (2), antislip ring
(3), circular cone tail (4), shock-absorbing ball (5), shank (6), hickey (7), deflector chute (8), rake face (9), flank (10), spiral shell
Line connector (11) and limit shock absorbing ring (12), the drill bit (1), drive screw (2), antislip ring (3), circular cone tail (4), shock-absorbing ball
(5), shank (6), hickey (7), deflector chute (8), rake face (9), flank (10), nipple (11) and limit damping
Circle (12) constitutes the main structure of the two-point bit with high cutting ability, and the drill bit (1) is that whole device is most crucial
Structure, and pass through the left end for being welded to connect and being fixed on hickey (7), the drive screw (2) is arranged on hickey (7),
Antislip ring (3) setting is in the middle part of shank (6), right end of circular cone tail (4) setting in shank (6), the shock-absorbing ball
(5) right end in circular cone tail (4) is set, and the shank (6) is the main structure of whole device, and the hickey (7) is fixed
Right end in shank (6), the deflector chute (8) complies with the helicla flute of edge of a knife trend, and is arranged on drill bit (1), the preceding knife
Face (9) and flank (10) are all curved-surface structures, and anterior angle, the relief angle along main cutting edge each point are different, and the anterior angle of chisel edge reaches
55 degree, the nipple (11), which is arranged, is provided with tapped through hole in the left end of shank (6), and on nipple (11),
Limit shock absorbing ring (12) is arranged in the junction of hickey (7) and nipple (11).
2. a kind of two-point bit with high cutting ability according to claim 1, it is characterised in that: the drive screw
(2) it is fastened in hickey (7) nipple (11) and upper tapped through hole by threaded hole.
3. a kind of two-point bit with high cutting ability according to claim 1, it is characterised in that: the antislip ring
(3) surface is provided with the tubular structure of anti-skid chequer, and its set is at the middle part of shank (6), and junction is solid by being welded to connect
It is fixed.
4. a kind of two-point bit with high cutting ability according to claim 1, it is characterised in that: the circular cone tail
(4) right end of shank (6) is fixed on by being welded to connect, and shock-absorbing ball (5) is by being welded to connect the right end in circular cone tail (4).
5. a kind of two-point bit with high cutting ability according to claim 1, it is characterised in that: the nipple
(11) left end of shank (6) is fixed on by being welded to connect, and nipple (11) and hickey (7) carry out threaded hole connection
It is fixed.
6. a kind of two-point bit with high cutting ability according to claim 1, it is characterised in that: the limit damping
Enclosing (12) is circle cyclic structure made of high durometer rubber material, and it is connect by being pasted and fixed on hickey (7) and screw thread
The junction of head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540061.XA CN110280810A (en) | 2019-06-21 | 2019-06-21 | A kind of two-point bit with high cutting ability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910540061.XA CN110280810A (en) | 2019-06-21 | 2019-06-21 | A kind of two-point bit with high cutting ability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110280810A true CN110280810A (en) | 2019-09-27 |
Family
ID=68004109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910540061.XA Pending CN110280810A (en) | 2019-06-21 | 2019-06-21 | A kind of two-point bit with high cutting ability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280810A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654548A (en) * | 2022-02-18 | 2022-06-24 | 江西同正工具科技有限公司 | Firewood splitting drill bit |
-
2019
- 2019-06-21 CN CN201910540061.XA patent/CN110280810A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654548A (en) * | 2022-02-18 | 2022-06-24 | 江西同正工具科技有限公司 | Firewood splitting drill bit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190927 |