CN207681552U - A kind of double end pilot drill - Google Patents
A kind of double end pilot drill Download PDFInfo
- Publication number
- CN207681552U CN207681552U CN201721571669.1U CN201721571669U CN207681552U CN 207681552 U CN207681552 U CN 207681552U CN 201721571669 U CN201721571669 U CN 201721571669U CN 207681552 U CN207681552 U CN 207681552U
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- CN
- China
- Prior art keywords
- cutter head
- knife
- handle
- side edge
- sword
- 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 discloses a kind of double end pilot drills, including first end sword, chip space, the first side edge, the first cutter head, block, spring washer, handle of a knife, fixed block, the second cutter head, the second side edge, the second chip space, second end sword and holding tank.The both ends of the handle of a knife of the double end pilot drill of the utility model are all threadedly connected to the first cutter head, realize detachableization of pilot drill, handle of a knife is made to may be reused, to reduce the waste that pilot drill can use part；The inside engaging of holding tank has the second cutter head, second cutter head is threadedly coupled with holding tank, and first cutter head it is identical as the equal size of the second cutter head, realize the replacement carried out in the case where being not introduced into new material between cutter head, to extend the service life of pilot drill, the waste for further reducing material, is greatly saved manufacturing cost；Sword is held to be arranged to arcuate structure simultaneously, the resistance that blade is subject to when efficiently reducing drilling, to reduce the generation for the phenomenon that breaks.
Description
Technical field
The utility model is related to a kind of pilot drill, specially a kind of double end pilot drill belongs to field of machining.
Background technology
Pilot drill is common boring bar tool in machine-building, is mainly used for industrial drilling, be widely used in processing,
The industries such as machinery, shipbuilding.The apex point apex angle of pilot drill should be equal to or more than the micro- point angle finally to drill, if the apex angle of pilot drill
Smaller, then then micro- drilling is fashionable, and two cutting edges easily cause tipping than top first contact workpiece.Before carrying out drilling processing,
The initial apertures that a depth is 1~2 times of diameter first are bored with the good pilot drill of rigidity, ensure that normal drill bit carries out the standard of drilling processing
True property, and chamfering is reserved for tapping, it is processed convenient for tapping.
The cutter head of current double end pilot drill is typically all to be welded in handle of a knife thus not dismantling, and blade is in boring procedure
In be easily damaged, the pilot drill damaged can only will finally occur and integrally abandon, to cause the waste of material, to increase
Job costs.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of double end pilot drill, and handle of a knife can be with
It reuses, and the replacement between cutter head can be carried out in the case where being not introduced into new material, to reduce the wave of material
Take, manufacturing cost is greatly saved.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of double end pilot drill, including the first cutter head,
One end of first cutter head is equipped with first end sword, and the side of first cutter head is equipped with the first side edge, and first side edge
Set on the side of the first end sword；The side of first cutter head is equipped with the first chip space, and first chip space is run through
The inside of first side edge, and first chip space runs through the side of the first end sword；The one of first cutter head
End is welded with block, and the side of the block is equipped with the first fixed block, and the side of the block is welded with the second cutter head；It is described
One end of second cutter head is equipped with second end sword, and the side of second cutter head is equipped with the second side edge, and second side edge is set to
The side of the second end sword；The side of second cutter head is equipped with the second chip space, and second chip space runs through described
The inside of second side edge, and second side edge runs through the inside of the second end sword；Second cutter head through handle of a knife,
The handle of a knife is internally provided with holding tank, and second cutter head is through the holding tank, and second cutter head is threadedly coupled
In the holding tank；One end of the handle of a knife is equipped with spring washer, and second cutter head is and described through the spring washer
Spring washer is sticked between the block and the handle of a knife；The side of the handle of a knife is welded with fixed block, and the handle of a knife passes through
It is through at the fixed block.
Preferably, in order to preferably cut target object, the first end sword, the second end sword, first side edge
And second side edge has multiple, first side edge, second side edge, first chip space and second chip removal
Slot is helical structure, and first chip space is set between two adjacent first side edges, and second chip space is set to
Between two neighboring second side edge.
Preferably, in order to reduce the resistance that blade is subject in boring procedure, the first end sword and the second end sword
Side be arcuate structure, the top of the first end sword and the second end sword is pyramidal structure, and first cutter head, institute
The central axes for stating the second cutter head and the handle of a knife overlap.
Preferably, for the ease of gripping cutter head, the side of the block is rectangular configuration, and the block is sticked in the bullet
The cross-sectional area of spring washer, the spring washer is equal to the handle of a knife cross-sectional area, first cutter head and second cutter head
Size is identical, and second cutter head is sticked in the holding tank.
Preferably, in order to make handle of a knife both ends uniform force, the fixed block be set to the middle part of the handle of a knife, the handle of a knife
Both ends are equipped with the holding tank, and two holding tanks, which engage, second cutter head, and the end of second cutter head
It is welded with first cutter head.
Preferably, for the ease of the clamping of the handle of a knife, the fixed block is regular hexagon structure, first cutter head,
Second cutter head and the handle of a knife are cylindrical structure, and the block and the spring washer are circular configuration.
The utility model has the beneficial effects that：The both ends of the handle of a knife of the double end pilot drill of the utility model are all threadedly connected to
First cutter head, realizes detachableization of pilot drill, and handle of a knife is made to may be reused, and part can be used to reduce pilot drill
Waste；The inside engaging of holding tank has the second cutter head, the second cutter head to be threadedly coupled with holding tank, and the first cutter head and the second cutter head
Equal size is identical, the replacement carried out in the case where being not introduced into new material between cutter head is realized, to extend pilot drill
Service life further reduces the waste of material, manufacturing cost is greatly saved；It holds sword to be arranged to arcuate structure simultaneously, has
The resistance that blade is subject to when effect ground reduces drilling, to reduce the generation for the phenomenon that breaks.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the attachment structure schematic diagram of first cutter head and the second cutter head of the utility model；
Fig. 3 is the internal structure schematic diagram of the handle of a knife of the utility model.
In figure：1, first end sword, 2, chip space, the 3, first side edge, the 4, first cutter head, 5, block, 6, spring washer, 7, knife
Handle, 8, fixed block, the 9, second cutter head, the 10, second side edge, the 11, second chip space, 12, second end sword, 13, holding tank.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
It please refers to Fig.1 shown in -3, a kind of double end pilot drill, including the first cutter head 4, one end of first cutter head 4 is equipped with
The side of first end sword 1, first cutter head 4 is equipped with the first side edge 3, and first side edge 3 is set to the first end sword 1
Side；The side of first cutter head 4 is equipped with the first chip space 2, and first chip space 2 runs through first side edge 3
Inside, and first chip space 2 runs through the side of the first end sword 1；One end of first cutter head 4 is welded with block
5, the side of the block 5 is equipped with the first fixed block 8, and the side of the block 5 is welded with the second cutter head 9；Second knife
First 9 one end is equipped with second end sword 12, and the side of second cutter head 9 is equipped with the second side edge 10, and second side edge 10 is set
In the side of the second end sword 12；The side of second cutter head 9 is equipped with the second chip space 11, and second chip space 11 passes through
The inside of second side edge 10 is passed through, and second side edge 10 runs through the inside of the second end sword 12；Described second
For cutter head 9 through handle of a knife 7, the handle of a knife 7 is internally provided with holding tank 13, second cutter head 9 through the holding tank 13,
And second cutter head 9 is threadedly connected to the holding tank 13；One end of the handle of a knife 7 is equipped with spring washer 6, second knife
First 9 through the spring washer 6, and the spring washer 6 is sticked between the block 5 and the handle of a knife 7；The handle of a knife
7 side is welded with fixed block 8, and the handle of a knife 7 is through the fixed block 8.
As a kind of technical optimization scheme of the utility model, the first end sword 1, the second end sword 12, described
One side edge 3 and second side edge 10 have multiple, first side edge 3, second side edge 10, first chip space 2
And second chip space 11 is helical structure, first chip space 2 is set between two adjacent first side edges 3, and
Second chip space 11 is set between two neighboring second side edge 10.
As a kind of technical optimization scheme of the utility model, the side of the first end sword 1 and the second end sword 12
For arcuate structure, the top of the first end sword 1 and the second end sword 12 is pyramidal structure, and first cutter head 4, described
The central axes of second cutter head 9 and the handle of a knife 7 overlap.
As a kind of technical optimization scheme of the utility model, the side of the block 5 is rectangular configuration, the block 5
It is sticked in the spring washer 6, the cross-sectional area of the spring washer 6 is equal to 7 cross-sectional area of the handle of a knife, first cutter head
4 is identical as 9 size of the second cutter head, and second cutter head 9 is sticked in the holding tank 13.
As a kind of technical optimization scheme of the utility model, the fixed block 8 is set to the middle part of the handle of a knife 7, described
The both ends of handle of a knife 7 are equipped with the holding tank 13, and two holding tanks 13, which engage, second cutter head 9, and described
The end of two cutter heads 9 is welded with first cutter head 4.
As a kind of technical optimization scheme of the utility model, the fixed block 8 is regular hexagon structure, first knife
First 4, second cutter head 9 and the handle of a knife 7 are cylindrical structure, and the block 5 and the spring washer 6 are circle
Structure.
When the utility model is used, first, clamping fixed block 8 using clamping tool and then fixing pilot drill, boring
In the work of hole, by the first cutter head 4 as being work cutter head, and the second cutter head 9 is sticked in holding tank 13, and with 7 spiral shell of handle of a knife
Line connects, since the surface of first end sword 1 is arcuate structure, to reduce the resistance that blade is subject to, and to prevent blade from crumbling,
If first end sword 1 or the first side edge 3 damage, the rectangular surfaces of block 5 are clamped using clamping tool, then turn block 5
Until the first cutter head 4 completely disengages handle of a knife 7, the first cutter head 4 is then made to be sticked in holding tank 13 and tighten block 5 again, it will
Second cutter head 9 is used as work cutter head, 7 both ends of handle of a knife that can be handled like this, this process need not dismantle handle of a knife 7, very
Simple and convenient.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of double end pilot drill, including the first cutter head (4), it is characterised in that：One end of first cutter head (4) is equipped with first
Sword (1) is held, the side of first cutter head (4) is equipped with the first side edge (3), and first side edge (3) is set to the first end
The side of sword (1)；The side of first cutter head (4) is equipped with the first chip space (2), and first chip space (2) runs through institute
The inside of the first side edge (3) is stated, and first chip space (2) runs through the side of the first end sword (1)；First knife
One end of head (4) is welded with block (5), and the side of the block (5) is equipped with the first fixed block (8), and the one of the block (5)
Side is welded with the second cutter head (9)；One end of second cutter head (9) is equipped with second end sword (12), the side of second cutter head (9)
Face is equipped with the second side edge (10), and second side edge (10) is set to the side of the second end sword (12)；Second cutter head
(9) side is equipped with the second chip space (11), and second chip space (11) runs through the inside of second side edge (10), and
Second side edge (10) runs through the inside of the second end sword (12)；Second cutter head (9) is through handle of a knife (7), institute
That states handle of a knife (7) is internally provided with holding tank (13), and second cutter head (9) is through the holding tank (13), and described second
Cutter head (9) is threadedly connected to the holding tank (13)；One end of the handle of a knife (7) is equipped with spring washer (6), second cutter head
(9) through the spring washer (6), and the spring washer (6) is sticked between the block (5) and the handle of a knife (7)；
The side of the handle of a knife (7) is welded with fixed block (8), and the handle of a knife (7) is through the fixed block (8).
2. a kind of double end pilot drill according to claim 1, it is characterised in that：The first end sword (1), the second end
Sword (12), first side edge (3) and second side edge (10) have multiple, first side edge (3), second side edge
(10), first chip space (2) and second chip space (11) are helical structure, and first chip space (2) sets
Between two adjacent first side edges (3), and second chip space (11) be set to two neighboring second side edge (10) it
Between.
3. a kind of double end pilot drill according to claim 2, it is characterised in that：The first end sword (1) and described second
Hold the side of sword (12) for arcuate structure, the top of the first end sword (1) and the second end sword (12) is pyramidal structure, and
The central axes of first cutter head (4), second cutter head (9) and the handle of a knife (7) overlap.
4. a kind of double end pilot drill according to claim 1, it is characterised in that：The side of the block (5) is rectangle knot
Structure, the block (5) are sticked in the spring washer (6), and the cross-sectional area of the spring washer (6) is equal to the handle of a knife (7)
Cross-sectional area, first cutter head (4) is identical as the second cutter head (9) size, and second cutter head (9) be sticked in it is described
Holding tank (13).
5. a kind of double end pilot drill according to claim 4, it is characterised in that：The fixed block (8) is set to the handle of a knife
(7) both ends at middle part, the handle of a knife (7) are equipped with the holding tank (13), and two holding tanks (13) engage
The second cutter head (9) is stated, and the end of second cutter head (9) is welded with first cutter head (4).
6. a kind of double end pilot drill according to claim 5, it is characterised in that：The fixed block (8) is regular hexagon knot
Structure, first cutter head (4), second cutter head (9) and the handle of a knife (7) are cylindrical structure, and the block (5) and
The spring washer (6) is circular configuration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571669.1U CN207681552U (en) | 2017-11-22 | 2017-11-22 | A kind of double end pilot drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721571669.1U CN207681552U (en) | 2017-11-22 | 2017-11-22 | A kind of double end pilot drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681552U true CN207681552U (en) | 2018-08-03 |
Family
ID=62998725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721571669.1U Expired - Fee Related CN207681552U (en) | 2017-11-22 | 2017-11-22 | A kind of double end pilot drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681552U (en) |
-
2017
- 2017-11-22 CN CN201721571669.1U patent/CN207681552U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20180803 Termination date: 20211122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |