CN207534009U - A kind of structure improved depth drill - Google Patents
A kind of structure improved depth drill Download PDFInfo
- Publication number
- CN207534009U CN207534009U CN201721572690.3U CN201721572690U CN207534009U CN 207534009 U CN207534009 U CN 207534009U CN 201721572690 U CN201721572690 U CN 201721572690U CN 207534009 U CN207534009 U CN 207534009U
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- CN
- China
- Prior art keywords
- knife
- knife bar
- connecting groove
- screw thread
- cutter head
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Abstract
The utility model provides a kind of structure improved depth drill,Belong to Drilling operation technical field,Including cutter head,Knife bar and handle of a knife,One end of knife bar and the front end of cutter head are equipped with cylindrical connection bump,And the other end of knife bar and the front end of handle of a knife are equipped with and the matched connecting groove of connection bump,Connection bump is equipped with external screw thread,Connecting groove is equipped with and the matched internal thread of external screw thread,And the side of connection bump is equipped with recessed hole,Knife bar and cutter head are equipped with V-shaped chip space of the opening away from the shaft core of knife bar,And the slot bottom of V-shaped chip space is equipped with the transition plane smoothly to connect with the two sides of V-shaped chip space,And it is equipped with a counterbore being connected with connecting groove close to the transition plane of connecting groove,Connection screw thread is equipped in counterbore,And it is equipped with and the matched fastening screw of connection screw thread in counterbore,The bottom of fastening screw is penetrated in recessed hole,The utility model is simple in structure,Adjustable length adapts to different deep hole machinings.
Description
Technical field
The utility model belongs to Drilling operation technical field, and in particular to a kind of structure improved depth drill.
Background technology
Deep hole machining is a great problem of alloy material manufacture field.It is deep boring since alloy material intensity is high, good toughness
The cutting force of bigger is needed during hole.The deep hole gun drill that drilling deep hole uses at present, diameter is small, drilling rod is elongated, and rigidity is poor.And one
As gun drill integral structure is formed by cutter head, drilling rod and drillstock (also known as steel clamp head).Since cutter head cannot plus drilling rod
It is dismantled with drillstock, a guide sleeve or pilot hole is needed during for drilling, then needs secondary positioning.It drills for heat exchanger tube sheet
When, guide sleeve can not use at all, can only use pilot hole.Secondary positioning, then there are position error, so as to make the precision of drilling
With quality all it is difficult to ensure that.
A kind of dismountable gun drill (notification number CN201275633) of patent is including successively, cutter head, the drilling rod of connection
And drillstock, drilling rod rear end are equipped with positioning convex platform, have external screw thread on the rear end outer wall of positioning convex platform, drillstock front end is equipped with and convex
Platform corresponding alignment concavity has internal thread on the rear end inner wall of alignment concavity, and external screw thread and internal thread match.The utility model
Advantageous effect be：Reasonable design, it is easy to use, upright drill error caused by secondary positioning when drilling is avoided, ensure that
The precision and quality of drilling improve work efficiency, but since in the process of depth drill, different hole depths occur for regular meeting
Processing switching, and sometimes in process, the inappropriate phenomenon of length of drill bit can often occur, therefore can then cause to be delayed work
When, cause waste of time.
Therefore it is simple in structure to be badly in need of one kind, the modified depth drill that length adapts to different deep hole machinings is adjusted.
Utility model content
The purpose of this utility model is to provide a kind of structure improved depth drill, and simple in structure, adjustable length is fitted
Answer different deep hole machinings.
The utility model provides following technical solution：
A kind of structure improved depth drill, including the cutter head, knife bar and handle of a knife being sequentially connected, one end of knife bar and knife
The front end of head is equipped with cylindrical connection bump, and the other end of knife bar and the front end of handle of a knife are equipped with and connection bump phase
The connecting groove of cooperation, connection bump be equipped with external screw thread, connecting groove be equipped with the matched internal thread of external screw thread, and even
The side for connecing protrusion is equipped with recessed hole, and knife bar and cutter head are equipped with V-shaped chip space of the opening away from the shaft core of knife bar, and
The slot bottom of V-shaped chip space is equipped with the transition plane smoothly to connect with the two sides of V-shaped chip space, and close to connecting groove
Transition plane is equipped with a counterbore being connected with connecting groove, connection screw thread is equipped in counterbore, and be equipped in counterbore with connecting
The matched fastening screw of screw thread, the bottom of fastening screw are penetrated in recessed hole.
Preferably, handle of a knife is equipped with the through-hole being connected with connecting groove, and connecting screw is equipped in through-hole, and connects spiral shell
The bottom of silk is inserted into recessed hole so that handle of a knife can not only be realized with knife bar and is detachably connected, but also what is connected more steps up
It gathers, does not easily cause the break-off between handle of a knife and knife bar.
Preferably, the end circumferential direction of cutter head is equipped with four oil clearances being arranged in order, and is wherein located at V-shaped chip space both ends
Side of two oil clearances respectively with V-shaped discharge launder abut against, instead of the oil of two used in tradition only 180 degree
Gap so that the power that cutter is formed in processing is cut can be balanced mutually, and cutter outer profile is bonded completely with workpiece inner wall, at a high speed
In machining, cutter is bonded completely with workpiece inner wall, is not shaken, and ensure that the stability in aperture.
Preferably, the angle between oil clearance is respectively 30 degree, 60 degree and 75 degree.
The beneficial effects of the utility model are：By using the mode that cutter head, knife bar and handle of a knife are detachably connected, and knife bar
Itself can realize accumulative connection, and so as to adapt to the processing in king-size hole, saving needs to purchase extended type knife bar brill processed again
The manpower and materials of head, it is only necessary to can be completed, and connected relatively reliable using existing knife bar.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not form the limitation to the utility model together.In the accompanying drawings：
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 is the structure sectional view of knife bar；
Fig. 3 is the structure diagram of knife bar；
Fig. 4 is the cross-sectional view along the line A-A directions in Fig. 1；
Fig. 5 is the left view of cutter head in Fig. 1；
Label in figure：1 is connection bump, and 2 be connecting groove, and 3 be recessed hole, and 4 be V-shaped chip space, and 5 put down for transition
Face, 6 be counterbore, and 7 be fastening screw, and 8 be oil clearance, and 10 be cutter head, and 20 be knife bar, and 30 be handle of a knife.
Specific embodiment
With reference to Fig. 1 to a kind of structure improved depth drill shown in fig. 5, in the present embodiment, including the knife being sequentially connected
First 10, knife bar 20 and handle of a knife 30, one end of knife bar 20 and the front end of cutter head 10 are equipped with cylindrical connection bump 1, and
The other end of knife bar 20 and the front end of handle of a knife 30 be equipped with 1 matched connecting groove 2 of connection bump, in connection bump 1
Equipped with external screw thread (not shown), connecting groove 2 be equipped with the matched internal thread (not shown) of external screw thread (not shown), and even
The side for connecing protrusion 1 is equipped with recessed hole 3, and knife bar 20 and cutter head 10 are equipped with V-shaped of the opening away from the shaft core of knife bar 20
Chip space 4, and the slot bottom of V-shaped chip space 4 is equipped with the transition plane 5 smoothly to connect with the two sides of V-shaped chip space 4, and
A counterbore 6 being connected with connecting groove 2 is equipped with close to the transition plane 5 of connecting groove 2, connection screw thread is equipped in counterbore 6
(not shown), and fastening screw 7 matched with connection screw thread (not shown) is equipped in counterbore 6, the bottom of fastening screw 7 penetrates
In recessed hole 3.
With reference to a kind of Fig. 1 to structure improved depth drill shown in fig. 5, in the present embodiment, handle of a knife 30 is equipped with connecting
The through-hole (not shown) that groove 2 is connected is connect, and connecting screw (not shown) is equipped in through-hole (not shown), and connecting screw
The bottom of (not shown) is inserted into recessed hole 3 so that handle of a knife 30 can not only realize with knife bar 20 and be detachably connected, Er Qielian
What is connect is compacter, does not easily cause the break-off between handle of a knife 30 and knife bar 20, and the end circumferential direction of cutter head 10 is equipped with to be arranged successively
Row four oil clearances 8, and wherein positioned at 4 both ends of V-shaped discharge launder two oil clearances 8 respectively with the side phase of V-shaped discharge launder 4
It abuts, instead of the oil clearance of two used in tradition only 180 degree so that the power that cutter is formed in processing is cut can phase
Mutually balance, cutter outer profile is bonded completely with workpiece inner wall, and in high-speed cutting processing, cutter is bonded completely with workpiece inner wall, is not had
There are vibrations, ensure that the stability in aperture.
The operation principle of the utility model is：By the connection bump 1 and connecting groove of cutter head 10, knife bar 20 and handle of a knife 30
2 are connected through a screw thread, and knife bar 20 itself can realize accumulative connection, and so as to adapt to the processing in king-size hole, saving needs
Again the manpower and materials of extended type knife bar drill bit processed to be purchased, it is only necessary to can be completed, and be connected more using existing knife bar
Add reliable.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
It modifies to the technical solution recorded in foregoing embodiments or equivalent replacement is carried out to which part technical characteristic.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (4)
1. a kind of structure improved depth drill, including the cutter head, knife bar and handle of a knife being sequentially connected, which is characterized in that the knife
One end of bar and the front end of the cutter head are equipped with cylindrical connection bump, and the other end of the knife bar and the knife
The front end of handle is equipped with is equipped with external screw thread, the company with the matched connecting groove of the connection bump, the connection bump
Connect groove be equipped with the matched internal thread of the external screw thread, and the side of the connection bump be equipped with recessed hole, it is described
The V-shaped chip space of knife bar and the cutter head equipped with the shaft core for deviating from the knife bar that is open, and the V-shaped chip space
Slot bottom is equipped with the transition plane smoothly to connect with the two sides of the V-shaped chip space, and close to the transition of the connecting groove
Plane is equipped with a counterbore being connected with the connecting groove, and connection screw thread is equipped with, and set in the counterbore in the counterbore
Have and penetrated in the recessed hole with the matched fastening screw of the connection screw thread, the bottom of the fastening screw.
2. a kind of structure improved depth drill according to claim 1, which is characterized in that the handle of a knife be equipped with it is described
The through-hole that connecting groove is connected, and connecting screw is equipped in the through-hole, and the bottom of the connecting screw be inserted into it is described
In recessed hole.
3. a kind of structure improved depth drill according to claim 1, which is characterized in that the end of the cutter head is equipped with ring
To four oil clearances being arranged in order, and wherein positioned at the V-shaped chip space both ends two oil clearances respectively with the V words
The side of shape discharge launder abuts against.
A kind of 4. structure improved depth drill according to claim 3, which is characterized in that the angle point between the oil clearance
It Wei not be 30 degree, 60 degree and 75 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572690.3U CN207534009U (en) | 2017-11-22 | 2017-11-22 | A kind of structure improved depth drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721572690.3U CN207534009U (en) | 2017-11-22 | 2017-11-22 | A kind of structure improved depth drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207534009U true CN207534009U (en) | 2018-06-26 |
Family
ID=62614742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721572690.3U Active CN207534009U (en) | 2017-11-22 | 2017-11-22 | A kind of structure improved depth drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207534009U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822748A (en) * | 2020-05-29 | 2020-10-27 | 武汉船用机械有限责任公司 | Deep hole machining system |
| CN115741910A (en) * | 2022-11-16 | 2023-03-07 | 广州美伽俪整体家居宅配有限公司 | Anti-deformation solid wood furniture board and production process thereof |
-
2017
- 2017-11-22 CN CN201721572690.3U patent/CN207534009U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111822748A (en) * | 2020-05-29 | 2020-10-27 | 武汉船用机械有限责任公司 | Deep hole machining system |
| CN111822748B (en) * | 2020-05-29 | 2021-11-26 | 武汉船用机械有限责任公司 | Deep hole machining system |
| CN115741910A (en) * | 2022-11-16 | 2023-03-07 | 广州美伽俪整体家居宅配有限公司 | Anti-deformation solid wood furniture board and production process thereof |
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