CN206662350U - A kind of depth drill of adjustable diameter - Google Patents
A kind of depth drill of adjustable diameter Download PDFInfo
- Publication number
- CN206662350U CN206662350U CN201720455074.3U CN201720455074U CN206662350U CN 206662350 U CN206662350 U CN 206662350U CN 201720455074 U CN201720455074 U CN 201720455074U CN 206662350 U CN206662350 U CN 206662350U
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- China
- Prior art keywords
- cutting portion
- adjustable
- cutter holder
- cutting
- depth drill
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Abstract
The utility model discloses a kind of depth drill of adjustable diameter, including the cutter body with rotation axis, the cutter body includes cutting portion and shank, the end face of the cutting portion is provided with adjustable cutter holder, what the adjustable cutter holder can move relative to cutting portion is located on cutting portion, the adjustable cutter holder is provided with the first cutting tip and the second cutting tip, first cutting tip is close to the rotation axis, second cutting tip is close to the outer of the end face of cutting portion, the depth drill of the adjustable diameter also includes governor motion, the governor motion includes gear, the actuator that the rack and drive gear coordinated with gear rotates, the actuator is on cutting portion, gear is connected with actuator, rack is fixedly arranged on adjustable cutter holder, and adjustable cutter holder is driven to be moved radially along cutting portion under the driving of the gear.The utility model have it is simple in construction, be easy to dismounting, tool diameter is adjustable, reduces the cost of charp tool, reduces the advantages of cutter stock.
Description
Technical field
It the utility model is related to Deep-Hole Drilling Technology field, more particularly to a kind of depth drill of adjustable diameter.
Background technology
In machining, Drilling operation accounts for 1/3rd of its processing total amount, with the progress of science and technology, in machine
The accuracy of device to hole and surface smoothness requirements increasingly improve in the processing of tool product component, and the processing of PRECISION HOLE usually turns into
The key of production, especially in deep hole machining, knife bar is limited by hole, and diameter is small, length is big, relative to cause poor rigidity, intensity
It is low, product quality is had a strong impact on, chip removal is difficult in deep hole machining in addition, and cutting fluid cast does not catch up with, and temperature rise, causes cutter
Durability weakens, and import cutter price is again very expensive, is uncontrollable depth drill mostly on the market now, the scope of application is narrow
It is narrow, to cause substantial amounts of stock, the cost of charp tool remains high, so as to need badly for the depth drill of many different sizes using unit
A kind of depth drill of the adjustable adjustable diameter of diameter, to reduce the cost of charp tool, reduce stock.
Utility model content
The technical problems to be solved in the utility model is overcome the deficiencies in the prior art, there is provided one kind is simple in construction, is easy to
Dismounting, effectively reduce the cost of charp tool, reduce cutter stock adjustable diameter depth drill.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of depth drill of adjustable diameter, including the cutter body with rotation axis, the cutter body include cutting
Portion and shank, the end face of the cutting portion are provided with adjustable cutter holder, and what the adjustable cutter holder can move relative to cutting portion is located at cutting
In portion, the adjustable cutter holder is provided with the first cutting tip and the second cutting tip, and first cutting tip is close to the rotation
Shaft axis, second cutting tip also include regulation close to the outer of the end face of cutting portion, the depth drill of the adjustable diameter
Mechanism, the governor motion include the actuator that gear, the rack coordinated with gear and drive gear rotate, and the actuator is set
In on cutting portion, the gear is connected with actuator, and the rack is fixedly arranged on adjustable cutter holder, and under the driving of the gear
Adjustable cutter holder is driven to be moved radially along cutting portion.
Further improvement as above-mentioned technical proposal：
The actuator is dial, and the cutting portion is provided with installation axle, and the dial is installed on the installation axle
One end, the gear is installed on the other end of the installation axle.
The cutting portion is provided with can reference graduation line corresponding with the scale on the dial.
The adjustable cutter holder is lock onto on the cutting portion by the first lock-screw, and the adjustable cutter holder is provided with and is available for
The waist-shaped hole that first lock-screw passes through, the cutting portion are provided with the screwed hole coordinated with first lock-screw.
The end face of the cutting portion is additionally provided with the fixation cutter holder of fixed setting, and the fixed cutter holder is provided with the 3rd bite
Piece, the fixed cutter holder are divided into the both sides of the rotation axis with adjustable cutter holder.
The fixed cutter holder is fixed on the cutting portion by the second lock-screw.
The circumferential surface of the cutting portion is provided with least one gib block.
The circumferential surface of the cutting portion is provided with least one auxiliary gib block, and the auxiliary gib block is cut with described second
Paring blade is located along the same line.
The cutter body is provided with interior channel of chip removal, and the interior channel of chip removal has horn mouth.
The shank has the rectangular thread interface for installing.
Compared with prior art, the utility model has the advantage of：
（1）The depth drill of adjustable diameter of the present utility model, is coordinated by wheel and rack, and the rotation of gear is changed into
The movement of adjustable cutter holder, synchronously moving radially for the first cutting tip and the second cutting tip on adjustable cutter holder is realized, so as to reach
To the purpose of regulation tool diameter, the governor motion is simple in construction, is easy to dismount, and realizes that a drill bit covers certain diameter model
Enclose, effectively reduce the cost of charp tool, reduce cutter stock.
（2）The depth drill of adjustable diameter of the present utility model, actuator are dial, and cutting portion is provided with can be with dial
On scale corresponding to reference graduation line, coordinated by dial and reference graduation line, it is determined that the diameter value adjusted, is being adjusted
When can intuitively read the numerical value of regulation.
（2）The depth drill of adjustable diameter of the present utility model, the circumferential surface of cutting portion are provided with two gib blocks and one
Gib block is aided in, 3 points of the cutting edge formation of two gib blocks and the second cutting tip is concyclic, plays guiding when in use and subtracts
The effect of shake；Auxiliary gib block is located along the same line with the second cutting tip；Cut in gib block serious wear second
Blade plays a part of auxiliary protection.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is diagrammatic cross-section of the present utility model.
Fig. 3 is side view of the present utility model.
Fig. 4 is the structural representation of adjustable cutter holder in the utility model.
Fig. 5 is the structural representation of governor motion in the utility model.
Each label represents in figure：
1st, cutter body；12nd, interior channel of chip removal；121st, horn mouth；2nd, cutting portion；21st, reference graduation line；22nd, gib block；
23rd, gib block is aided in；3rd, shank；31st, rectangular thread interface；4th, adjustable cutter holder；41st, the first lock-screw；51st, the first bite
Piece；52nd, the second cutting tip；6th, governor motion；61st, gear；62nd, rack；63rd, actuator；631st, dial；64th, installation axle；
7th, fixed cutter holder；71st, the second lock-screw；8th, the 3rd cutting tip；9th, screw.
Embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Fig. 1 to Fig. 5 shows a kind of embodiment of the depth drill of the utility model adjustable diameter, the deep hole of the adjustable diameter
Boring includes the cutter body 1 with rotation axis C1, and cutter body 1 includes cutting portion 2 and shank 3, and the end face of cutting portion 2 is provided with
Adjustable cutter holder 4, what adjustable cutter holder 4 can move relative to cutting portion 2 is located on cutting portion 2, and adjustable cutter holder 4 is provided with the first bite
The cutting tip 52 of piece 51 and second, the first cutting tip 51 is close to rotation axis C1, and the second cutting tip 52 is close to cutting portion 2
The outer of end face, the depth drill of adjustable diameter also include governor motion 6, what governor motion 6 coordinated including gear 61, with gear 61
The actuator 63 that rack 62 and drive gear 61 rotate, on cutting portion 2, gear 61 is connected actuator 63 with actuator 63,
Rack 62 is fixedly arranged on adjustable cutter holder 4, and drives adjustable cutter holder 4 to be moved radially along cutting portion 2 under the driving of gear 61.
As shown in figure 3, the cutting diameter of the first cutting tip 51 and the second cutting tip 52 control cutting portion 2.Pass through tooth
Wheel 61 coordinates with rack 62, by the movement for changing into adjustable cutter holder 4 of gear 61, realizes the first cutting on adjustable cutter holder 4
Blade 51 synchronously moves radially with the second cutting tip 52, so as to reach the purpose of regulation tool diameter.The knot of governor motion 6
Structure is simple, is easy to dismount, and realizes that a drill bit covers certain diameter range, effectively reduces the cost of charp tool, reduces cutter stock.
In the present embodiment, actuator 63 is dial 631, and cutting portion 2 is provided with installation axle 64, and dial 631 is installed on
One end of installation axle 64, gear 61 are installed on the other end of installation axle 64.This structure allows whole governor motion 6 from knife
Pulled down on tool body 1.Cutting portion 2 is provided with can reference graduation line 21 corresponding with the scale on dial 631.As shown in Figure 2.
Coordinated by dial 631 and reference graduation line 21, it is determined that the diameter value adjusted, regulation can be intuitively read in regulation
Numerical value.In the present embodiment, adjustable diameter range of depth drill cutter is within 4mm.
In the present embodiment, adjustable cutter holder 4 is lock onto on cutting portion 2 by the first lock-screw 41, and adjustable cutter holder 4 is provided with
The waist-shaped hole for being available for the first lock-screw 41 to pass through（Not shown in figure）, cutting portion 2 is provided with to be coordinated with the first lock-screw 41
Screwed hole（Not shown in figure）.Waist-shaped hole is radially arranged along cutting portion 2, when adjusting adjustable cutter holder 4, first unclamps the first locking
Screw 41, ensure that adjustable cutter holder 4 has certain mobile space.
In the present embodiment, the end face of cutting portion 2 is additionally provided with the fixation cutter holder 7 of fixed setting, and fixed cutter holder 7 is provided with the 3rd
Cutting tip 8, fixed cutter holder 7 are divided into the both sides of rotation axis with adjustable cutter holder 4.Fixed cutter holder 7 passes through the second lock-screw
71 are fixed on cutting portion 2.As shown in figure 3, establish OXY coordinate systems in the end face of cutting portion 2.3rd cutting tip 8 and first
The arranged direction of the cutting tip 52 of cutting tip 51 or second is opposite.The cutting edge of first cutting tip 51 is with crossing X-axis, rotary shaft
Line C1 face is intersected, positioned at the left side of Y-axis, less than X-axis, but O points；The cutting edge of second cutting tip 52 is with crossing Y-axis, rotation
Axis C1 face is intersected, positioned at the right side of Y-axis；3rd cutting tip 8 is with crossing Y-axis, rotation axis C1 face is intersected, positioned at Y-axis
Right side, the 3rd cutting tip 8 rotate 180 °, with adjustable cutter holder 4 on gap blade（First cutting tip 51 and the second cutting
Gap between blade 52）Overlap（It is overlapping）.
The circumferential surface of cutting portion 2 is provided with least one gib block 22.The circumferential surface of cutting portion 2 is provided with least one auxiliary
Helping gib block 23, in the present embodiment, the circumferential surface of cutting portion 2 is provided with two gib blocks 22 and an auxiliary gib block 23, and two
3 points of the cutting edge of individual gib block 22 and the second cutting tip 52 formation is concyclic, and gib block 22 is located at the gib block of cutter body 1
Groove（Not shown in figure）It is interior, play a part of guiding and damping when in use.Aid in 23 and second cutting tip of gib block 52
In on same straight line；Auxiliary gib block 23 is fixed on cutter body 1, in 22 serious wear of gib block to the second bite
Piece 52 plays a part of auxiliary protection.
In the present embodiment, cutter body 1 is provided with interior channel of chip removal 12, and interior channel of chip removal 12 has horn mouth 121.Work as cutting
During processing, enter interior channel of chip removal 12 from horn mouth 121 after chip curling, as cutting fluid is discharged together.
In the present embodiment, shank 3 has the rectangular thread interface 31 for installing.
Operation principle：
When in use, fixed cutter holder 7 and adjustable cutter holder 4 are attached in corresponding groove, with the second lock-screw 71 and first
Lock-screw 41 is locked respectively, is then mounted on corresponding cutter holder three cutting tips by screw 9 respectively, is locked with screw
Tightly, two gib blocks 22 are attached in corresponding guiding bar groove and fixed；When needing to adjust diameter, first by adjustable cutter holder 4
First lock-screw 41 unclamps, and then with a scale hexagonal head wrench rotary dial 631 to the diameter for needing to set, carves
The drive gear 61 of scale 631 rotates, and gear 61 coordinates with rack 62, and rack 62 drives adjustable cutter holder 4 to move radially, and finally may be used
First lock-screw 41 of toolsetting folder 4 is locked, and is realigned center, is started to drill.
Although the utility model is disclosed above with preferred embodiment, but it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model scope, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications, or be revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to real above
Any simple modifications, equivalents, and modifications that example is done are applied, all should be fallen in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of depth drill of adjustable diameter, including the cutter body with rotation axis（1）, the cutter body（1）Including
Cutting portion（2）And shank（3）, the cutting portion（2）End face be provided with adjustable cutter holder（4）, the adjustable cutter holder（4）Relative it can cut
Cut portion（2）Mobile is located at cutting portion（2）On, the adjustable cutter holder（4）It is provided with the first cutting tip（51）With the second cutting
Blade（52）, first cutting tip（51）Close to the rotation axis, second cutting tip（52）Close to cutting portion
（2）End face outer, it is characterised in that：The depth drill of the adjustable diameter also includes governor motion（6）, the governor motion
（6）Including gear（61）With gear（61）The rack of cooperation（62）And drive gear（61）The actuator of rotation（63）, the drive
Moving part（63）Located at cutting portion（2）On, the gear（61）With actuator（63）Connection, the rack（62）Being fixedly arranged on can toolsetting
Folder（4）On, and in the gear（61）Driving under drive adjustable cutter holder（4）Along cutting portion（2）Move radially.
2. the depth drill of adjustable diameter according to claim 1, it is characterised in that：The actuator（63）For dial
（631）, the cutting portion（2）It is provided with installation axle（64）, the dial（631）It is installed on the installation axle（64）One
End, the gear（61）It is installed on the installation axle（64）The other end.
3. the depth drill of adjustable diameter according to claim 2, it is characterised in that：The cutting portion（2）Being provided with can be with
The dial（631）On scale corresponding to reference graduation line（21）.
4. the depth drill of the adjustable diameter according to claims 1 to 3 any one, it is characterised in that：The adjustable cutter holder
（4）Pass through the first lock-screw（41）It lock onto the cutting portion（2）On, the adjustable cutter holder（4）It is provided with and is available for described the
One lock-screw（41）The waist-shaped hole passed through, the cutting portion（2）It is provided with and first lock-screw（41）The spiral shell of cooperation
Pit.
5. the depth drill of the adjustable diameter according to claims 1 to 3 any one, it is characterised in that：The cutting portion（2）
End face be additionally provided with the fixation cutter holder of fixed setting（7）, the fixed cutter holder（7）It is provided with the 3rd cutting tip（8）, it is described solid
Stationary knife presss from both sides（7）With adjustable cutter holder（4）It is divided into the both sides of the rotation axis.
6. the depth drill of adjustable diameter according to claim 5, it is characterised in that：The fixed cutter holder（7）Pass through second
Lock-screw（71）It is fixed on the cutting portion（2）On.
7. the depth drill of the adjustable diameter according to claims 1 to 3 any one, it is characterised in that：The cutting portion（2）
Circumferential surface be provided with least one gib block（22）.
8. the depth drill of adjustable diameter according to claim 6, it is characterised in that：The cutting portion（2）Circumferential surface on
Provided with least one auxiliary gib block（23）, the auxiliary gib block（23）With second cutting tip（52）Positioned at always
On line.
9. the depth drill of the adjustable diameter according to claims 1 to 3 any one, it is characterised in that：The cutter body
（1）Provided with interior channel of chip removal（12）, the interior channel of chip removal（12）With horn mouth（121）.
10. the depth drill of the adjustable diameter according to claims 1 to 3 any one, it is characterised in that：The shank（3）
With the rectangular thread interface for installation（31）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455074.3U CN206662350U (en) | 2017-04-27 | 2017-04-27 | A kind of depth drill of adjustable diameter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720455074.3U CN206662350U (en) | 2017-04-27 | 2017-04-27 | A kind of depth drill of adjustable diameter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206662350U true CN206662350U (en) | 2017-11-24 |
Family
ID=60371168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720455074.3U Active CN206662350U (en) | 2017-04-27 | 2017-04-27 | A kind of depth drill of adjustable diameter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206662350U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356329A (en) * | 2018-02-07 | 2018-08-03 | 成都工具研究所有限公司 | A kind of side set BTA drill bits and its manufacturing method based on hot investment casting structure of the cutter body |
| CN111012604A (en) * | 2020-02-03 | 2020-04-17 | 于鹏娜 | Neonate's severe nursing device |
-
2017
- 2017-04-27 CN CN201720455074.3U patent/CN206662350U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356329A (en) * | 2018-02-07 | 2018-08-03 | 成都工具研究所有限公司 | A kind of side set BTA drill bits and its manufacturing method based on hot investment casting structure of the cutter body |
| CN111012604A (en) * | 2020-02-03 | 2020-04-17 | 于鹏娜 | Neonate's severe nursing device |
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