CN208896265U - Square hole hole making drill - Google Patents
Square hole hole making drill Download PDFInfo
- Publication number
- CN208896265U CN208896265U CN201821212755.8U CN201821212755U CN208896265U CN 208896265 U CN208896265 U CN 208896265U CN 201821212755 U CN201821212755 U CN 201821212755U CN 208896265 U CN208896265 U CN 208896265U
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- China
- Prior art keywords
- square opening
- hole
- chisel
- mast
- square
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- 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.)
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Abstract
The utility model discloses a kind of square hole hole making drills, including connection mast and it is integrally formed the square opening chisel in connection mast bottom end, the circular hole being connected is provided centrally with what square opening was dug in connection mast, the side of square opening chisel is provided with the slot being connected with circular hole, the bottom end of square opening chisel is provided with square opening blade, drilling round bur head is provided in circular hole, drilling round bur head side wall on be provided with dust lead helicla flute and drill round bur hole diameter be less than circular hole internal diameter, annular installation limiting groove is provided in the middle part of connection mast, vertical convex ribs are fixed on the outer wall of annular installation limiting groove, incline reinforcement bar is uniformly fixed between the top surface and connection mast of square opening chisel.The structure setting of the utility model is reasonable, and it is convenient not only to operate, and can effectively and quickly realize that chip removal operates, and is conducive to the efficiency for improving square opening, and can reduce the damage of square opening device, so strong applicability and practicability is good.
Description
Technical field
The utility model belongs to plank technical field of processing equipment, and in particular to a kind of square hole hole making drill.
Background technique
In plank process, drilling is indispensable process, but most of is circular hole, so be using round drilling tool
It is achievable, however, on some planks, it is as needed to process square hole, so it is then more difficult full using traditional round drilling tool
Sufficient demand, and can not effectively realize that chip removal operates when rectangular hole machined, thus will affect the efficiency of processing to a certain extent,
So applicability and practicability are restricted.
Summary of the invention
The square hole hole making drill reasonable and practical the purpose of the utility model is to provide a kind of structure setting.
The technical solution for realizing the utility model aim is a kind of square hole hole making drill, including connection mast and integrated molding
Square opening chisel in connection mast bottom end is connected in being provided centrally with of digging of connection mast and the square opening
Circular hole is provided with the slot being connected with the circular hole in the side of square opening chisel, at the bottom of square opening chisel
End is provided with square opening blade, and drilling round bur head is provided in the circular hole, sets on the side wall of the drilling round bur head
Be equipped with dust lead helicla flute and it is described drilling round bur hole diameter be less than circular hole internal diameter, be provided in the middle part of the connection mast
Annular installation limiting groove is fixed with vertical convex ribs on the outer wall of the annular installation limiting groove, in the square opening
Incline reinforcement bar is uniformly fixed between the top surface of chisel and the connection mast.
It digs and connects in the square opening and be provided with spacing block set between mast, the diameter of the spacing block set, which is greater than, to be connected
The diameter of mast is connect, the incline reinforcement bar is between the top surface of spacing block set and the side of connection mast.
The top of the drilling round bur head is provided with position limiting convex ring, when the drilling round bur head moves down in the circular hole
It is 3-5mm by the base length that the apex point that position limiting convex ring is limited the round bur hole that drills at this time stretches out square opening chisel.
The utility model has the effect of positive: the structure setting of the utility model is reasonable, and it is convenient not only to operate, and can have
Effect and quickly realization chip removal operation, to be conducive to improve the efficiency of square opening, and can reduce square opening device
Damage, so strong applicability and practicability is good.
Detailed description of the invention
In order to be more likely to be clearly understood the content of the utility model, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model, in which:
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
(embodiment 1)
Fig. 1 shows a kind of specific embodiment of the utility model, and wherein Fig. 1 is the structural representation of the utility model
Figure.
See that Fig. 1, a kind of square hole hole making drill are opened including connection mast 1 and integrated molding in connection the rectangular of mast bottom end
Hole chisel 2 digs 2 in connection mast 1 and the square opening and is provided centrally with the circular hole 3 being connected, and rectangular opens described
The side of hole chisel 2 is provided with the slot 4 being connected with the circular hole 3, and the bottom end of square opening chisel 2 is provided with rectangular open
Hole blade 5 is provided with drilling round bur head 6 in the circular hole 3, is provided with dust lead spiral shell on the side wall of the drilling round bur head 6
Spin slot 7 and the diameter in the drilling round bur hole are less than the internal diameter of circular hole, and the middle part of the connection mast 1 is provided with annular installation
Limiting groove 8 is fixed with vertical convex ribs 9 on the outer wall of the annular installation limiting groove 8, on the top of square opening chisel
Incline reinforcement bar 10 is uniformly fixed between face and the connection mast.
It is provided with spacing block set 11 between square opening chisel 2 and connection mast 1, the diameter of the spacing block set is big
In the diameter of connection mast, the incline reinforcement bar 10 is between the top surface of spacing block set and the side of connection mast.
The top of the drilling round bur head 6 is provided with position limiting convex ring 12, under the drilling round bur head is in the circular hole
Stretching out the base length that square opening is dug by the apex point that position limiting convex ring is limited the round bur hole that drills at this time when shifting is 3-5mm.
When in use, square opening chisel is fixed on and is pushed in driving structure, drilling round bur head is fixed on rotating electric machine
On, it pushes driving structure and rotating electric machine is the structure of the prior art, therefore be not described in detail, but have no effect on technical staff's reason
Solution and realization, and rotating electric machine is moved down into the round bur head that makes to drill and is protruded into the circular hole of square opening chisel, in drilling, drill round bur
Head drills through hole shape, and square opening chisel, which is moved down, is cut into square hole for the inner wall of circular hole, it is possible to reduce square opening chisel
Damage.
The structure setting of the utility model is reasonable, and it is convenient not only to operate, and can effectively and quickly realize that chip removal operates, from
And be conducive to improve the efficiency of square opening, and the damage of square opening device can be reduced, so strong applicability and practicability
It is good.
Obviously, the above embodiments of the present invention is merely examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still fall within it is practical
Novel protection scope.
Claims (3)
1. a kind of square hole hole making drill including connection mast and is integrally formed the square opening chisel in connection mast bottom end, special
Sign is: the circular hole being connected is provided centrally with what the square opening was dug in the connection mast, in the square opening
The side of chisel is provided with the slot being connected with the circular hole, and the bottom end of square opening chisel is provided with square opening knife
Sword is provided with drilling round bur head in the circular hole, is provided with dust lead helicla flute and institute on the side wall of the drilling round bur head
The diameter for stating drilling round bur hole is less than the internal diameter of circular hole, and annular installation limiting groove is provided in the middle part of the connection mast,
Vertical convex ribs are fixed on the outer wall of the annular installation limiting groove, top surface and the connection in square opening chisel
Incline reinforcement bar is uniformly fixed between mast.
2. square hole hole making drill according to claim 1, it is characterised in that: the square opening chisel with connect mast it
Between be provided with spacing block set, the diameter of the spacing block set is greater than the diameter of connection mast, and the incline reinforcement bar is in limit
Between the top surface of position convex block and the side for connecting mast.
3. square hole hole making drill according to claim 2, it is characterised in that: be provided on the top of the drilling round bur head
Position limiting convex ring is limited the round bur hole that drills at this time by position limiting convex ring when the drilling round bur head moves down in the circular hole
The base length that apex point stretches out square opening chisel is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821212755.8U CN208896265U (en) | 2018-07-30 | 2018-07-30 | Square hole hole making drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821212755.8U CN208896265U (en) | 2018-07-30 | 2018-07-30 | Square hole hole making drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208896265U true CN208896265U (en) | 2019-05-24 |
Family
ID=66568192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821212755.8U Active CN208896265U (en) | 2018-07-30 | 2018-07-30 | Square hole hole making drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208896265U (en) |
-
2018
- 2018-07-30 CN CN201821212755.8U patent/CN208896265U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |