CN110280807A - A kind of drill bit of replaceable cutter tip - Google Patents
A kind of drill bit of replaceable cutter tip Download PDFInfo
- Publication number
- CN110280807A CN110280807A CN201910506382.8A CN201910506382A CN110280807A CN 110280807 A CN110280807 A CN 110280807A CN 201910506382 A CN201910506382 A CN 201910506382A CN 110280807 A CN110280807 A CN 110280807A
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- cutter tip
- installation
- circular hole
- drilling rod
- cylindrical body
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- 238000009434 installation Methods 0.000 claims abstract description 148
- 238000005553 drilling Methods 0.000 claims abstract description 94
- 230000009977 dual effect Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 230000001154 acute effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2205/00—Fixation of cutting inserts in holders
- B23B2205/04—Fixation screws, bolts or pins of particular form
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a kind of drill bits of replaceable cutter tip, including drilling rod and cutter tip, and are separately positioned on the central symmetry chip space of drilling rod and cutter tip.The present invention installs circular hole in the first cutter tip installation circular hole of drilling rod setting hierarchic structure and the second cutter tip, in the first installation cylindrical body and the second installation cylindrical body of cutter tip setting inverted steps structure, circular hole is installed by two cutter tips to connect with two installation cylinder engagements respectively, the central axes of the two cutter tips installation circular hole and drilling rod that guarantee drilling rod are same, two installation cylindrical bodies of cutter tip and drilling rod central axes are same, circular hole and two installation cylinder engagements are installed by being located at two cutter tips of same central axes, realize cutter tip and the double positioning of drilling rod and dual clamping, it ensure that cutter tip is installed to the axial precision on drilling rod, stability is improved simultaneously.
Description
Technical field
The present invention relates to the technical fields of cutting tool, and in particular to a kind of drill bit of replaceable cutter tip.
Background technique
Modular drill is the developing direction of drill bit, that is, improves processing efficiency, and reduce processing cost.But how to mention
The precision and stability of cutting tip and drilling rod after high Modular drill clamping are the processes for continuously improving raising.But it is existing
Drill bit knife and drilling rod there are many combination.Such as there is " pin positioning, screw are through locking ", " it is fixed to intersect V-arrangement face
Position, the locking of post-tensioning screw ", " open pin positioning, non-screw rotate clamping " etc. are all multi-form.These positioning and locking mode
Respectively there is feature, or structure is complicated, production cost is higher or poor reliability, use scope are limited.
Summary of the invention
To solve the above-mentioned problems, improve Modular drill clamping after cutting tip and drilling rod precision and stability, this
Invention devises the structures of cutter tip and drilling rod double positioning and dual clamping, and cutter tip sets that there are two axle center to install positioning region
Position, the cutting head mounting groove of drilling rod also include two axle center positioning position.This structure both ensure that cutting head was installed to drilling rod
On precision, and improve stability.
Present invention technical solution used for the above purpose is:
A kind of drill bit of replaceable cutter tip, including drilling rod and cutter tip, and it is separately positioned on drilling rod and cutting
The central symmetry chip space of cutter head, the drilling rod center are equipped with the first cutter tip installation circular hole and the second cutter tip installation circle
The center of circle line in hole, two cutter tip installation circular holes is located on same axis, and the central axes of the axis and drilling rod are same；
The cutter tip central part is equipped with the first installation cylindrical body and the second installation cylindrical body, the circle of two installation cylindrical bodies
Heart line is located on same center line, and after cutter tip is installed on knife bar, the central axes of the center line and drilling rod are same；
The cutter tip first is installed cylindrical body and is connect with the first cutter tip of drilling rod installation circular hole close-fitting, the cutting
Cutter head second is installed cylindrical body and is connect with the second cutter tip of drilling rod installation circular hole close-fitting.
As a further improvement, the first cutter tip installation circular hole is connected to the second cutter tip installation circular hole, institute
The first cutter tip installation circular hole is stated close to chip end, the second cutter tip installation circular hole is located at the installation of the first cutter tip
Immediately below circular hole, close to the shank direction of drilling rod, the diameter of the first cutter tip installation circular hole is greater than the second cutter tip
The diameter of circular hole is installed；
The first installation cylindrical body is connect with the second installation cylindrical body, and described first installs cylindrical body close to chip end,
The second installation cylindrical body is located at immediately below the first installation cylindrical body, close to the shank direction of drilling rod, the first installation circle
The diameter of cylinder is greater than the diameter of the second installation cylindrical body.
As a further improvement, first cutter tip installation circular hole be divided by centrosymmetric chip space it is axisymmetric
2 fan annular distances, the second cutter tip installation circular hole are divided into axisymmetric 2 fans annular distance by centrosymmetric chip space；
The first installation cylindrical body is divided into centrosymmetric 2 fans ring cylinder by axisymmetric chip space, and described second
Cylindrical body is installed, centrosymmetric 2 fans ring cylinder is divided by axisymmetric chip space.
As a further improvement, the drilling rod is being located at the first cutter tip installation circular hole periphery equipped with axisymmetric first
Torque transmits detent and the second torque transmits detent；
The cutter tip be located at first installation cylindrical body periphery be equipped with centrosymmetric third torque transmitting detent with
4th torque transmits detent；
First torque transmits detent and third torque transmitting detent, the second torque transmitting detent and the 4th torque transmit detent
It is fitted close.
As a further improvement, the bottom of the second cutter tip installation circular hole of the drilling rod is equipped with annular groove, annular groove
Diameter be greater than the diameter of the second cutter tip installation circular hole, annular groove is divided into centrosymmetric two by axisymmetric chip space
Fan-shaped annular groove.
As a further improvement, the bottom of the second installation cylindrical body of the cutter tip is equipped with circle convex platform, annulus is convex
The diameter risen is greater than the diameter of the second installation cylindrical body, and annulus protrusion is divided into centrosymmetric two fans by axisymmetric chip space
Shape circle convex platform；
When cutter tip is installed in the cutter tip installation circular hole of drilling rod, fan-shaped circle convex platform is caught in the cutting of drilling rod second
Cutter head is installed in the annular groove of circular hole.
As a further improvement, the cutter tip circle convex platform is set there are two the inclined-plane for the anti-turn being centrosymmetric,
It is mutually to be arranged oppositely that the anti-turn top on the anti-turn inclined-plane, which holds face and transmits detent or the 4th torque transmitting detent with third torque,.
As a further improvement, the outside of the annular groove of the drilling rod, equipped with the spiral shell matched with anti-turn incline position
Pit, when cutter tip is installed in the cutter tip installation circular hole of drilling rod, threaded hole is screwed into screw, after screw tightening, screw
Hold face in the anti-turn top that end holds out against anti-turn inclined-plane.
As a further improvement, the drilling rod the first cutter tip installation circular hole and the second cutter tip install circular hole it
Between form ladder platform, it is flat to form inverted steps between the first installation cylindrical body of the cutter tip and the second installation cylindrical body
Platform, the ladder platform of the drilling rod and the inverted steps platform of cutter tip are bonded to each other connection.
The present invention has the advantages that the drill bit of replaceable cutter tip of the invention, the of drilling rod setting hierarchic structure
One cutter tip installs circular hole and the second cutter tip installs circular hole, in the first installation circle of cutter tip setting inverted steps structure
Cylinder and the second installation cylindrical body, install circular hole by two cutter tips and connect respectively with two installation cylinder engagements, protect
The central axes of the two cutter tips installation circular hole and drilling rod of demonstrate,proving drilling rod are same, the two installation cylindrical bodies and drilling rod axis of cutter tip
Line is same, i.e., installs circular hole and two installation cylinder engagements by being located at two cutter tips of same central axes, realize bite
Head and the double positioning of drilling rod and dual clamping, ensure that cutter tip is installed to the axial precision on drilling rod, while improving stability.
If the center of circle line and drilling rod central axes of one of installation cylindrical body or cutter tip installation circular hole be not the same as always
On line, then cutter tip can not be cooperatively connected with drilling rod, prevent using unqualified cutter tip or drilling rod.Only cut in drilling rod two
Sharpener head installation circular hole is concentric, and under the premise of two installation cylindrical bodies of cutter tip are concentric, cutter tip is ready for installation to arrive drilling rod
Cutter tip installation circular hole in, and two parts close-fitting.
With reference to the accompanying drawing with specific embodiment, the present invention is further described.
Detailed description of the invention
Fig. 1 is the drill bit decomposition texture schematic diagram of the replaceable cutter tip of the present invention；
Fig. 2 is cutter tip structural representation Fig. 1 of the drill bit of the replaceable cutter tip of the present invention；
Fig. 3 is cutter tip structural representation Fig. 2 of the drill bit of the replaceable cutter tip of the present invention；
Fig. 4 is cutter tip structural representation Fig. 3 of the drill bit of the replaceable cutter tip of the present invention；
Fig. 5 is the jackrod structure schematic diagram 1 of the drill bit of the replaceable cutter tip of the present invention；
Fig. 6 is the jackrod structure schematic diagram 2 of the drill bit of the replaceable cutter tip of the present invention；
Fig. 7 is the cutter tip present invention looks up structural representation of the drill bit of the replaceable cutter tip of the present invention；
Fig. 8 is the cutter tip overlooking structure diagram of the drill bit of the replaceable cutter tip of the present invention；
Fig. 9 is the structural schematic diagram of the drill bit of the replaceable cutter tip of the present invention.
In figure: 1 cutter tip, 11 first installation cylindrical bodies, 12 second installation cylindrical bodies, 13 circle convex platforms, 14a third are turned round
Square transmitting detent, the 4th torque of 14b transmitting detent, the first anti-turn of 15a inclined-plane, the second anti-turn of 15b inclined-plane, 16a first are anti-
It reverses top and holds face, face, 17 inverted steps platforms, 18 acute angle c, 2 drilling rods, the installation of 21 first cutter tips are held in the second anti-turn of 16b top
Circular hole, 22 second cutter tips installation circular hole, the first torque of 23a transmitting detent, the second torque of 23b transmitting detent, 24 annular grooves,
25 threaded holes, 26 ladder platforms, 3 screws, 4 central axes, 5 chip spaces.
Specific embodiment
Embodiment, referring to Fig. 1~9, a kind of drill bit of replaceable cutter tip 1 provided in this embodiment, including 2 He of drilling rod
Cutter tip 1, and it is separately positioned on the central symmetry chip space 5 of drilling rod 2 and cutter tip 1, which is equipped with first
Cutter tip installs circular hole 21 and the second cutter tip installs circular hole 22, and the center of circle line of two cutter tip installation circular holes is located at same
On one axis, the central axes 4 of the axis and drilling rod 2 are same；
1 central part of cutter tip is equipped with the first installation cylindrical body 11 and the second installation cylindrical body 12, two installation cylinders
The center of circle line of body is located on same center line, and after cutter tip is installed on knife bar, the central axes 4 of the center line and drilling rod 2 are same
One；
The cutter tip 1 first is installed cylindrical body 11 and is connect with the first cutter tip of drilling rod installation 21 close-fitting of circular hole, institute
The installation cylindrical body 12 of cutter tip 1 second is stated to connect with the second cutter tip of drilling rod installation 22 close-fitting of circular hole.
First cutter tip installation circular hole 21 and second cutter tip installation of the present embodiment in drilling rod setting hierarchic structure
Circular hole 22 is arranged the first installation cylindrical body 11 and the second installation cylindrical body 12 of inverted steps structure in cutter tip 1, passes through two
Cutter tip installation circular hole is connect with two installation cylinder engagements respectively, is guaranteed the two cutter tips installation circular hole of drilling rod and is bored
The central axes of bar are same, and two installation cylindrical bodies of cutter tip 1 and drilling rod central axes are same, i.e., by being located at same central axes
Two cutter tips install circular hole and two installation cylinder engagements, realize cutter tip 1 and the double positioning of drilling rod and dual clamping, ensure that
Cutter tip 1 is installed to the precision on drilling rod, while improving stability.
If the center of circle line and drilling rod central axes of one of installation cylindrical body or cutter tip installation circular hole be not the same as always
On line, then cutter tip 1 can not be cooperatively connected with drilling rod, prevent using unqualified cutter tip 1 or drilling rod.Only in drilling rod two
Cutter tip installation circular hole is concentric, and under the premise of two installation cylindrical bodies of cutter tip 1 are concentric, cutter tip 1 is ready for installation to be arrived
In the cutter tip installation circular hole of drilling rod, and two parts close-fitting.
The first cutter tip installation circular hole 21 is connected to the second cutter tip installation circular hole 22, first bite
Head installation circular hole 21 is being located at the first cutter tip installation circular hole 21 just close to chip end, the second cutter tip installation circular hole 22
Lower section, close to the shank direction of drilling rod, the diameter of the first cutter tip installation circular hole 21 is installed greater than the second cutter tip
The diameter of circular hole 22；The first installation cylindrical body 11 is connect with the second installation cylindrical body 12, the first installation cylindrical body 11
Close chip end, the second installation cylindrical body 12 are located at immediately below the first installation cylindrical body 11, the shank direction of close drilling rod,
The diameter of the first installation cylindrical body 11 is greater than the diameter of the second installation cylindrical body 12.
The first cutter tip installation circular hole 21 is divided into axisymmetric 2 fans annular distance, institute by centrosymmetric chip space 5
It states the second cutter tip installation circular hole 22 and axisymmetric 2 fans annular distance is divided by centrosymmetric chip space 5；First installation
Cylindrical body 11 is divided into centrosymmetric 2 fans ring cylinder by axisymmetric chip space 5, and the second installation cylindrical body 12 is by axis pair
The chip space 5 of title is divided into centrosymmetric 2 fans ring cylinder.
Halfpace is formed between the first cutter tip installation circular hole 21 and the second cutter tip installation circular hole 22 of the drilling rod,
Ladder platform 26, the drilling rod are formed between first installation cylindrical body 11 of the cutter tip 1 and the second installation cylindrical body 12
Ladder platform 26 and cutter tip 1 inverted steps platform 17 cooperate connect.Form the first cutter tip of hierarchic structure
Circular hole 21 and the second cutter tip installation circular hole 22 are installed and form the first installation cylindrical body 11 and the second peace of inverted steps structure
Dress cylindrical body 12 mutually inlays matings connection, and the first cutter tip installation circular hole 21 and the second cutter tip install circular hole 22 it
Between the inverted steps platform 17 that is formed between the ladder platform 26 that is formed, the first installation cylindrical body 11 and the second installation cylindrical body 12
It is bonded to each other, carries out the pressure transmitting for being parallel to drilling rod central axes, meanwhile, the bottom surface of cutter tip 1 and the second cutting of drilling rod
Cutter head installs the fitting of 22 bottom surface of circular hole, carries out the pressure transmitting for being parallel to drilling rod central axes.
The drilling rod is being located at 21 periphery of the first cutter tip installation circular hole equipped with axisymmetric first torque transmitting detent
23a and the second torque transmit detent 23b；
The cutter tip 1 is being located at 11 periphery of the first installation cylindrical body equipped with centrosymmetric third torque transmitting detent
14a and the 4th torque transmit detent 14b；
First torque transmits detent 23a and third torque transmitting detent 14a, the second torque transmitting detent 23b and the 4th are turned round
Square transmits detent 14b and is fitted close.Drilling rod transmits detent 23a by the first torque and the second torque transmits detent 23b, makees respectively
Detent 14a is transmitted for third torque and the 4th torque transmits detent 14b, and the torque of drilling rod is transmitted in cutter tip 1, is cut
Sharpener head 1 carries out cutwork.
The drilling rod cross two exterior points cross the center of circle line and the first torque transmitting detent 23a or the second torque transmitting detent
Plane where 23b is in an acute angle e；The cutter tip 1 crosses the line and third torque transmitting detent 14a that two exterior points cross the center of circle
Or the 4th the torque plane that is made in of transmitting detent 14b in an acute angle c 18.
The bottom of the second cutter tip installation circular hole 22 of the drilling rod is equipped with annular groove 24, and the diameter of annular groove 24 is greater than
Second cutter tip installs the diameter of circular hole 22, and annular groove 24 is divided to by axisymmetric chip space 5 for centrosymmetric two sectors
Annular groove 24.
The bottom of second installation cylindrical body 12 of the cutter tip 1 is equipped with circle convex platform 13, and the diameter of annulus protrusion is big
In the diameter of the second installation cylindrical body 12, annulus protrusion is divided to by axisymmetric chip space 5 for centrosymmetric two fan-shaped annulus
Boss 13；The vertical depth of fan-shaped annular groove 24 is identical as the vertical thickness of circle convex platform 13, and cutter tip 1 is installed to drilling rod
When cutter tip is installed in circular hole, fan-shaped circle convex platform 13 is caught in the annular groove 24 of the second cutter tip of drilling rod installation circular hole 22
In, the cooperation of fan-shaped annular groove 24 and circle convex platform 13 is so that the opposite shifting of axial direction will not occur for cutter tip 1 and drilling rod
It is dynamic, to guarantee the precision of the cutting depth of drill bit.
1 circle convex platform 13 of cutter tip sets that there are two the inclined-plane of anti-turn being centrosymmetric, respectively first is anti-
Reverse inclined-plane 15a, the second anti-turn inclined-plane 15b, first anti-turn inclined-plane 15a, the second anti-turn inclined-plane 15b it is second anti-
Face 16a is held on reversing top, face 16b is held on the second anti-turn top and third torque transmitting detent 14a or the 4th torque transmitting detent 14b is
Mutually it is arranged oppositely.
The outside of the annular groove 24 of the drilling rod is equipped with and the first anti-turn inclined-plane 15a, 15b, the second anti-turn inclined-plane
Two threaded holes 25 matched are set, when cutter tip 1 is installed in the cutter tip installation circular hole of drilling rod, threaded hole 25 is screwed into spiral shell
Silk 3, after screw 3 is tightened, face is held on the anti-turn top that 3 end of screw holds out against anti-turn inclined-plane, and since face and the is held on anti-turn top
Three torques transmitting detent 14a or the 4th torque transmitting detent 14b is mutually to be arranged oppositely, when screw 3 is threaded into hole 25, screw
3 are more threaded into hole 25, then screw 3 push up hold anti-turn inclined-plane power it is bigger, the first torque of drilling rod transmits detent 23a and second
The cooperation that torque transmits the third torque transmitting detent 14a and the 4th torque transmitting detent 14b of detent 23b and cutter tip 1 is got over
Closely.
Present invention is not limited to the embodiments described above, using the identical or approximate construction with the above embodiment of the present invention, and obtains
The drill bit of other the replaceable cutter tips arrived, it is within the scope of the present invention.
Claims (9)
1. a kind of drill bit of replaceable cutter tip, including drilling rod and cutter tip, and it is separately positioned on drilling rod and bite
The central symmetry chip space of head, it is characterised in that: the drilling rod center is equipped with the first cutter tip installation circular hole and the second bite
The center of circle line of head installation circular hole, two cutter tip installation circular holes is located on same axis, and the central axes of the axis and drilling rod are same
One；
The cutter tip central part is equipped with the first installation cylindrical body and the second installation cylindrical body, the center of circle line of two installation cylindrical bodies
On same center line, after cutter tip is installed on knife bar, the central axes of the center line and drilling rod are same；
The cutter tip first is installed cylindrical body and is connect with the first cutter tip of drilling rod installation circular hole close-fitting, the cutter tip
Second installation cylindrical body is connect with the second cutter tip of drilling rod installation circular hole close-fitting.
2. the drill bit of replaceable cutter tip according to claim 1, it is characterised in that: the first cutter tip installation
Circular hole is connected to the second cutter tip installation circular hole, and the first cutter tip installation circular hole is cut close to chip end, described second
Sharpener head installation circular hole is located at immediately below the first cutter tip installation circular hole, close to the shank direction of drilling rod, first cutting
The diameter that cutter head installs circular hole is greater than the diameter of the second cutter tip installation circular hole；
The first installation cylindrical body is connect with the second installation cylindrical body, and the first installation cylindrical body is described close to chip end
Second installation cylindrical body is located at immediately below the first installation cylindrical body, close to the shank direction of drilling rod, the first installation cylindrical body
Diameter be greater than second installation cylindrical body diameter.
3. the drill bit of replaceable cutter tip according to claim 1, it is characterised in that: the first cutter tip installation
Circular hole is divided into axisymmetric 2 fans annular distance by centrosymmetric chip space, and the second cutter tip installation circular hole is by center pair
The chip space of title is divided into axisymmetric 2 fans annular distance；
The first installation cylindrical body is divided into centrosymmetric 2 fans ring cylinder, second installation by axisymmetric chip space
Cylindrical body is divided into centrosymmetric 2 fans ring cylinder by axisymmetric chip space.
4. the drill bit of replaceable cutter tip according to claim 1, it is characterised in that: the drilling rod is cut positioned at first
Sharpener head installs circular hole periphery and is equipped with axisymmetric first torque transmitting detent and the second torque transmitting detent；
The cutter tip is being located at the first installation cylindrical body periphery equipped with centrosymmetric third torque transmitting detent and the 4th
Torque transmits detent；
First torque transmits detent and third torque transmitting detent, the second torque transmitting detent and the 4th torque transmitting detent are close
Cooperation.
5. the drill bit of replaceable cutter tip according to claim 4, it is characterised in that: the second bite of the drilling rod
The bottom of head installation circular hole is equipped with annular groove, and the diameter of annular groove is greater than the diameter of the second cutter tip installation circular hole, annular groove
Centrosymmetric two fan-shaped annular grooves are divided by axisymmetric chip space.
6. the drill bit of replaceable cutter tip according to claim 5, it is characterised in that: the second peace of the cutter tip
The bottom for filling cylindrical body is equipped with circle convex platform, and the diameter of annulus protrusion is greater than the diameter of the second installation cylindrical body, annulus protrusion quilt
Axisymmetric chip space is divided into centrosymmetric two fan-shaped circle convex platforms；
When cutter tip is installed in the cutter tip installation circular hole of drilling rod, fan-shaped circle convex platform is caught in the second cutter tip of drilling rod
In the annular groove for installing circular hole.
7. the drill bit of replaceable cutter tip according to claim 6, it is characterised in that: the cutter tip circle convex platform
If face is held on the anti-turn top on the anti-turn inclined-plane and the transmitting of third torque blocks there are two the inclined-plane for the anti-turn being centrosymmetric
Position or the 4th torque transmitting detent are mutually to be arranged oppositely.
8. the drill bit of replaceable cutter tip according to claim 7, it is characterised in that: outside the annular groove of the drilling rod
Side, equipped with the threaded hole matched with anti-turn incline position, cutter tip is installed in the cutter tip installation circular hole of drilling rod
When, threaded hole is screwed into screw, and after screw tightening, face is held on the anti-turn top that screw end holds out against anti-turn inclined-plane.
9. the drill bit of replaceable cutter tip according to claim 2, it is characterised in that: the first bite of the drilling rod
Ladder platform, the first installation cylindrical body of the cutter tip are formed between head installation circular hole and the second cutter tip installation circular hole
Inverted steps platform, the inverted steps platform phase of the ladder platform and cutter tip of the drilling rod are formed between the second installation cylindrical body
Mutually it is fitted and connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506382.8A CN110280807A (en) | 2019-06-12 | 2019-06-12 | A kind of drill bit of replaceable cutter tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910506382.8A CN110280807A (en) | 2019-06-12 | 2019-06-12 | A kind of drill bit of replaceable cutter tip |
Publications (1)
| Publication Number | Publication Date |
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| CN110280807A true CN110280807A (en) | 2019-09-27 |
Family
ID=68004018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910506382.8A Pending CN110280807A (en) | 2019-06-12 | 2019-06-12 | A kind of drill bit of replaceable cutter tip |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112453508A (en) * | 2020-11-25 | 2021-03-09 | 深圳市蓝海永兴实业有限公司 | PCD drilling, milling and chamfering tool for machining composite material hole |
| CN112605439A (en) * | 2020-12-26 | 2021-04-06 | 东莞艾瑞克精密工具有限公司 | Drill bit convenient to disassemble and maintain |
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| CN112453508A (en) * | 2020-11-25 | 2021-03-09 | 深圳市蓝海永兴实业有限公司 | PCD drilling, milling and chamfering tool for machining composite material hole |
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| CN112605439A (en) * | 2020-12-26 | 2021-04-06 | 东莞艾瑞克精密工具有限公司 | Drill bit convenient to disassemble and maintain |
| CN112605439B (en) * | 2020-12-26 | 2024-06-04 | 常州肯达工具有限公司 | Drill bit convenient to disassemble and maintain |
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