CN208825634U - A kind of deep drilling bit - Google Patents
A kind of deep drilling bit Download PDFInfo
- Publication number
- CN208825634U CN208825634U CN201821575622.7U CN201821575622U CN208825634U CN 208825634 U CN208825634 U CN 208825634U CN 201821575622 U CN201821575622 U CN 201821575622U CN 208825634 U CN208825634 U CN 208825634U
- Authority
- CN
- China
- Prior art keywords
- depthkeeping
- rolling element
- disk
- drill body
- deep drilling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model proposes a kind of deep drilling bits, including drill body and drillstock, the drill body is equipped at least twice helical flute, the drill body one end end opposite with drilling rod is equipped with main cutting edge, the drill body outer cylindrical wall, which is equipped with, adjusts screw thread, the adjusting screw thread is equipped with threaded engagement is adjusted to adjust the depthkeeping disk of its axial position with drill body, and the one side of the depthkeeping disk towards drillstock is equipped with adjusting threaded engagement, for realizing double nut to the packing nut of top positioning with depthkeeping disk.The utility model in drill body by being arranged the depthkeeping disk that can be adjusted by the thread, and double nut is carried out by packing nut, position is controlled to top, depthkeeping is realized to make depthkeeping disk or rolling element contact to offset with body surface after drill bit pierces object, suitable for the borehole depth measuring on the objects such as each metalloid, timber, when depthkeeping disk is close to body surface, situations such as chip can still be discharged from helical flute, drill bit clamping stagnation caused by effectively avoiding chip removal difficult generation.
Description
Technical field
The utility model relates to field of drill, and in particular to a kind of deep drilling bit.
Background technique
Drill bit often has its drilling depth in drilling blind hole or counterbore required at present, especially by bench drill or people
When industry control drilling depth, need not stop to check bench drill scale or measurement drilling depth, so that processing becomes time-consuming and laborious, people
Work cost is substantially increased, while being also easy to appear the inconsistent situation of hole depth error.
Utility model content
Based on the above issues, the utility model aim is that drilling depth can arbitrarily be adjusted as needed by providing one kind, tool
There is hole depth control accurate, convenient for the deep drilling bit of batch drilling.
In view of the above problems, providing following technical solution: a kind of deep drilling bit, including drill body and drillstock, the drill body
It is equipped at least twice helical flute, the drill body one end end opposite with drilling rod is equipped with main cutting edge, outside the drill body
Cylindrical wall be equipped with adjust screw thread, the adjustings screw thread be equipped with adjust threaded engagement to adjust its with drill body axially
The depthkeeping disk of position, the one side of the depthkeeping disk towards drillstock are equipped with and adjust threaded engagement, are used to realize double spiral shells with depthkeeping disk
Packing nut of the mother to top positioning.
In above structure, by the way that the depthkeeping disk that can be adjusted by the thread is arranged in drill body, and carried out by packing nut
Double nut controls position to top, so that depthkeeping disk is made to contact to offset with body surface and realize depthkeeping after drill bit pierces object, it is suitable
For the borehole depth measuring on the objects such as each metalloid, timber, while when depthkeeping disk is close to body surface, chip still can be from spiral shell
Situations such as revolving discharge in the screw hole among chip space and depthkeeping disk, effectively avoiding drill bit clamping stagnation caused by chip removal difficulty generation.
The utility model is further arranged to, and the depthkeeping disk is several towards being evenly equipped on its end face of the one side of main cutting edge
Rolling element mounting groove, the rolling element mounting groove is interior to be equipped with the rolling element that can be rolled in rolling element mounting groove, the rolling element
It contacts to form rolling friction with body surface when drill body pierces object.
In above structure, the sliding friction of depthkeeping disk can be changed into the rolling friction of rolling element, frictional force is greatly reduced,
It is avoided that depthkeeping disk contacts friction with body surface and leads to situations such as abrading simultaneously.
The utility model is further arranged to, and the rolling element is cylindrical revolving body, and the rolling body axis is directed toward fixed
Deep disk center.
In above structure, cylindrical revolving body is contacted with body surface for line, can effective dispersive stress.
The utility model is further arranged to, and the rolling element is vertebra platform shape revolving body, and the rolling body axis is directed toward fixed
Deep disk center, the rolling element outer cone wall and body surface parallel contact.
In above structure, since depthkeeping disk is plate-like revolving body, its inner and outer when being contacted with body surface
Linear velocity it is different, therefore vertebra platform shape revolving body is set, and makes cone direction towards depthkeeping disk center, passes through vertebra platform outer cylindrical wall
Different diameters is come linear velocity difference when making up the revolution of depthkeeping disk at different-diameter position thus the case where having skidded.
The utility model is further arranged to, and the depthkeeping disk is additionally provided with anti-drop cover towards main cutting edge on one side, described
Anti-drop cover is equipped with the contact groove for keeping rolling element outer wall exposed, and the rolling element center is simultaneously lower than rolling element mounting groove notch
Rolling element outer wall is set to expose contact groove.
In above structure, the contact groove notch of anti-drop cover is less than rolling element mounting groove, for rolling element to be blocked in rolling element
Rolling element is avoided to deviate from mounting groove.
The utility model is further arranged to, and is lubricated between the rolling element mounting groove and rolling element filled with molybdenum disulfide
Rouge.
In above structure, the friction between rolling element and rolling element mounting groove can be reduced.
The utility model is further arranged to, and the anti-drop cover is brass material, and the anti-drop cover is equipped with mounting hole, institute
Mounting hole is stated between adjacent contact slot, the anti-drop cover is fixed on depthkeeping disk by screw.
In above structure, brass has self-lubricity, and cooperation molybdenum disulphide grease is further reduced when contacting with rolling element
The resistance of generation can facilitate the maintenance and cleaning of rolling element and rolling element mounting groove by the fixed anti-drop cover of screw.
The utility model is further arranged to, and the adjusting screw thread is trapezoidal thread, and crest width is greater than tooth bottom width degree.
In above structure, the crest for adjusting screw thread can be made to play finishing to counterbore or blind hole inner wall as end cutting edge.
The utility model has the beneficial effects that by the way that the depthkeeping disk that can be adjusted by the thread is arranged in drill body, and by compeling
Tight nut carries out double nut and controls position to top, to make depthkeeping disk or rolling element connect with body surface after drill bit pierces object
Touching offsets and realizes depthkeeping, suitable for the borehole depth measuring on the objects such as each metalloid, timber, while in depthkeeping disk close to body surface
When, chip can still be discharged out of screw hole among helical flute and depthkeeping disk, drill bit caused by effectively avoiding chip removal difficult
Situations such as clamping stagnation, occurs.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the packing nut releasing orientation structural schematic diagram of the utility model.
Fig. 3 is the depthkeeping disk configuration schematic diagram of the utility model.
Figure label meaning: 10- drill body；11- drillstock；12- helical flute；13- main cutting edge；14- adjusts screw thread；
15- packing nut；20- depthkeeping disk；21- screw hole；22- rolling element mounting groove；23- rolling element；24- anti-drop cover；241- contact groove；
242- mounting hole.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.
Referring to figs. 1 to Fig. 3, a kind of deep drilling bit as shown in Figure 1 to Figure 3, including drill body 10 and drillstock 11, the drill body
10 are equipped with helical flute 12 that at least twice are uniformly opened up along its gyratory directions, the drill body 10 it is opposite with drilling rod 11 one
End is held to be equipped with main cutting edge 13,10 outer cylindrical wall of drill body, which is equipped with, adjusts screw thread 14, and the adjusting screw thread 14 is equipped with
Screw to adjust the depthkeeping disk 20 of its axial position with drill body 10 with screw thread 14 is adjusted, the depthkeeping disk 20 is towards drillstock
11 one side, which is equipped with, to be screwed with adjusting screw thread 14, for realizing double nut to the packing nut 15 of top positioning with depthkeeping disk 20.
In above structure, by the way that the depthkeeping disk 20 that can be adjusted by the thread is arranged in drill body 10, and pass through packing nut
15, which carry out double nut, controls position to top, to make depthkeeping disk 20 contact the realization that offsets with body surface after drill bit pierces object
Depthkeeping, suitable for the borehole depth measuring on the objects such as each metalloid, timber, while when depthkeeping disk 20 is close to body surface, chip
It can be still discharged out of helical flute 12 and the screw hole 21 among depthkeeping disk 20, drill chuck caused by effectively avoiding chip removal difficult
Situations such as stagnant, occurs.
In the present embodiment, the depthkeeping disk 20 is towards being evenly equipped with several rolling elements peaces on its end face of the one side of main cutting edge 13
Tankage 22, the rolling element mounting groove 22 is interior to be equipped with the rolling element 23 that can be rolled in rolling element mounting groove 22, the rolling element
23 contact to form rolling friction when drill body 10 pierces object with body surface.
In above structure, the sliding friction of depthkeeping disk 20 can be changed into the rolling friction of rolling element 23, be greatly reduced and rub
Power is wiped, while being avoided that depthkeeping disk 20 contacts friction with body surface and leads to situations such as abrading.
In the present embodiment, the rolling element 23 is cylindrical revolving body, and 23 axis of rolling element is directed toward in depthkeeping disk 20
The heart.
In above structure, cylindrical revolving body is contacted with body surface for line, can effective dispersive stress.
In the present embodiment, the rolling element 23 is vertebra platform shape revolving body, and 23 axis of rolling element is directed toward in depthkeeping disk 20
The heart, the 23 outer cone wall of rolling element and body surface parallel contact.
In above structure, since depthkeeping disk 20 is plate-like revolving body, when contacting with body surface, its surface is radial
The linear velocity of inner and outer on direction is different, therefore vertebra platform shape revolving body is arranged, and make cone direction towards depthkeeping disk 20
Center, the linear velocity made up when depthkeeping disk 20 turns round at different-diameter position by the different diameter of vertebra platform outer cylindrical wall are different
The case where to have skidded.
In the present embodiment, the depthkeeping disk 20 is additionally provided with anti-drop cover 24, the anti-drop cover towards main cutting edge 13 on one side
24 are equipped with the contact groove 241 for keeping 23 outer wall of rolling element exposed, and 23 center of rolling element is lower than rolling element mounting groove 22
Notch simultaneously makes 23 outer wall of rolling element expose contact groove 241.
In above structure, 241 notch of contact groove of anti-drop cover 24 is less than rolling element mounting groove 22, for keeping off rolling element 23
In avoided in rolling element mounting groove 22 rolling element 23 deviate from.
In the present embodiment, between the rolling element mounting groove 22 and rolling element 23 filled with molybdenum disulphide grease (in figure
It is not shown).
In above structure, the friction between rolling element 23 and rolling element mounting groove 22 can be reduced.
In the present embodiment, the anti-drop cover 24 is brass material, and the anti-drop cover 24 is equipped with mounting hole 242, the peace
Hole 242 is filled between adjacent contact slot 241, the anti-drop cover 24 is fixed on depthkeeping disk 20 by screw (not shown)
On.
In above structure, brass has self-lubricity, and cooperation molybdenum disulphide grease is further reduced to be contacted with rolling element 23
When the resistance that generates, the maintenance and cleaning of rolling element 23 and rolling element mounting groove 22 can be facilitated by the fixed anti-drop cover 24 of screw.
In the present embodiment, the adjusting screw thread 14 is trapezoidal thread, and crest width is greater than tooth bottom width degree.
In above structure, the crest for adjusting screw thread 14 can be made to play finishing to counterbore or blind hole inner wall as end cutting edge and made
With.
The utility model has the beneficial effects that by the way that the depthkeeping disk 20 that can be adjusted by the thread is arranged in drill body 10, and lead to
Cross packing nut 15 and carry out double nut and position is controlled to top, thus make after drill bit pierces object depthkeeping disk 20 or rolling element 23 with
Body surface contact, which offsets, realizes depthkeeping, suitable for the borehole depth measuring on the objects such as each metalloid, timber, while in depthkeeping disk 20
When close to body surface, chip can still be discharged out of screw hole 21 among helical flute 12 and depthkeeping disk 20, effectively avoid
Situations such as drill bit clamping stagnation caused by chip removal is difficult, occurs.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications, above-mentioned vacation can also be made
If these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (8)
1. a kind of deep drilling bit, including drill body and drillstock, the drill body is equipped at least twice helical flute, the drill body with
The opposite one end end of drilling rod is equipped with main cutting edge, it is characterised in that: the drill body outer cylindrical wall, which is equipped with, adjusts screw thread, described
Screw thread is adjusted to be equipped with threaded engagement is adjusted to adjust the depthkeeping disk of its axial position with drill body, depthkeeping disk court
It is equipped with to the one side of drillstock with adjusting threaded engagement, for realizing double nut to the packing nut of top positioning with depthkeeping disk.
2. a kind of deep drilling bit according to claim 1, it is characterised in that: one side of the depthkeeping disk towards main cutting edge
It is evenly equipped with several rolling element mounting grooves on its end face, being equipped in the rolling element mounting groove can roll in rolling element mounting groove
Rolling element, the rolling element contact to form rolling friction when drill body pierces object with body surface.
3. a kind of deep drilling bit according to claim 2, it is characterised in that: the rolling element is cylindrical revolving body, institute
It states and rolls body axis direction depthkeeping disk center.
4. a kind of deep drilling bit according to claim 2, it is characterised in that: the rolling element is vertebra platform shape revolving body, institute
It states and rolls body axis direction depthkeeping disk center, the rolling element outer cone wall and body surface parallel contact.
5. a kind of deep drilling bit according to Claims 2 or 3 or 4, it is characterised in that: the depthkeeping disk is towards main cutting edge
Be additionally provided with anti-drop cover on one side, the anti-drop cover is equipped with the contact groove for keeping rolling element outer wall exposed, in the rolling element
The heart is lower than rolling element mounting groove notch and rolling element outer wall is made to expose contact groove.
6. a kind of deep drilling bit according to claim 5, it is characterised in that: between the rolling element mounting groove and rolling element
Filled with molybdenum disulphide grease.
7. a kind of deep drilling bit according to claim 5, it is characterised in that: the anti-drop cover is brass material, described anti-
De- cover is equipped with mounting hole, and for the mounting hole between adjacent contact slot, the anti-drop cover is fixed on depthkeeping disk by screw
On.
8. a kind of deep drilling bit according to claim 1, it is characterised in that: the adjusting screw thread is trapezoidal thread, tooth
Top width degree is greater than tooth bottom width degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575622.7U CN208825634U (en) | 2018-09-26 | 2018-09-26 | A kind of deep drilling bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821575622.7U CN208825634U (en) | 2018-09-26 | 2018-09-26 | A kind of deep drilling bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208825634U true CN208825634U (en) | 2019-05-07 |
Family
ID=66317592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821575622.7U Expired - Fee Related CN208825634U (en) | 2018-09-26 | 2018-09-26 | A kind of deep drilling bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208825634U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154246A (en) * | 2019-06-03 | 2019-08-23 | 惠州市西顿光电有限公司 | A kind of combined drill bit assembly |
-
2018
- 2018-09-26 CN CN201821575622.7U patent/CN208825634U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110154246A (en) * | 2019-06-03 | 2019-08-23 | 惠州市西顿光电有限公司 | A kind of combined drill bit assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190507 Termination date: 20210926 |