CN208408644U - Cold drill bit in a kind of step - Google Patents
Cold drill bit in a kind of step Download PDFInfo
- Publication number
- CN208408644U CN208408644U CN201820667051.3U CN201820667051U CN208408644U CN 208408644 U CN208408644 U CN 208408644U CN 201820667051 U CN201820667051 U CN 201820667051U CN 208408644 U CN208408644 U CN 208408644U
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- mounting plate
- blade
- knife bar
- cooling
- cooling bath
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Abstract
The utility model discloses cold drill bits in a kind of step, including knife bar, fixed block, the first mounting plate, cooling hole, fixing bolt, the second mounting plate, blade, positioning head, the first cooling bath, threaded hole and the second cooling bath.The utility model has the beneficial effects that passing through the first cooling bath for being provided with cooling hole inside knife bar, the second cooling bath of cooling hole is provided with inside blade, pass through compressed air, oil or cutting fluid, cooling cutter and workpiece, device is sufficiently cooled, by the way that the first mounting plate is arranged in knife bar bottom, the second mounting plate is arranged at the top of blade to enable a user to be fixedly connected knife bar and blade using fixing bolt, and it can be by dismantling fixing bolt, blade is subjected to dismounting and change, reduces maintenance cost.By the way that the positioning head of pyramidal structure is arranged in blade bottom, so that user before being drilled using device, can be pre-positioned by positioning head, so that bore position is more acurrate.
Description
Technical field
The utility model relates to a kind of drill bit, cold drill bit in specially a kind of step belongs to drilling tool application technology
Field.
Background technique
When carrying out workpiece punching, need to use drill bit, interior cold drill bit is one kind of drill bit.But existing drill bit makes
Used time haves the defects that certain, and existing drill bit structure is simple, does not have predetermined bit architecture, to be not easy to before being punched
Pre-determined bit work is carried out, and existing drill bit is easy for assemble or unload, from being unable to replace blade section in time, increased
Maintenance cost.
Utility model content
The purpose of this utility model be that in order to solve it is above-mentioned do not have predetermined bit architecture, to be not easy to beaten
Pre-determined bit work is carried out before hole, and existing drill bit is easy for assemble or unload, from being unable to replace blade section in time, increase
The problem of having added maintenance cost and cold drill bit in a kind of step is provided.
The utility model is achieved through the following technical solutions above-mentioned purpose, cold drill bit in a kind of step, including knife bar
And fixed block is arranged in blade, the knife bar top, the knife bar two sides are respectively provided with cooling hole, first peace of knife bar bottom setting
The second mounting plate is installed in loading board, the first mounting plate lower section, and several blades are arranged in second mounting plate bottom, described
Positioning head is arranged in blade bottom, and the first cooling bath is arranged inside the knife bar, and the second cooling bath is arranged inside the blade, described
Several threaded holes are respectively provided with inside first mounting plate and second mounting plate.
Preferably, the blade two sides of the bottom are respectively provided with the cooling hole, and the cooling hole is cooling by described second
Slot is connected to first cooling bath.
Preferably, fixing bolt is installed inside the threaded hole, and first mounting plate is connected by the fixing bolt
Connect the second mounting plate.
Preferably, first mounting plate is close to second mounting plate.
Preferably, the positioning head bottom is pyramidal structure.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model connection is compact, by being provided with the first cooling bath of cooling hole inside knife bar, in blade
Inside is provided with the second cooling bath of cooling hole, passes through compressed air, oil or cutting fluid, plays cooling cutter and workpiece,
And the effect of chip is washed away, device is sufficiently cooled, by the way that the first mounting plate is arranged in knife bar bottom, at the top of blade
The second mounting plate is arranged to enable a user to be fixedly connected knife bar and blade using fixing bolt, and can be by tearing open
Fixing bolt is unloaded, blade is subjected to dismounting and change, reduces maintenance cost.
2, by the way that the positioning head of pyramidal structure is arranged in blade bottom, so that user is using device before being drilled,
It can be pre-positioned by positioning head, so that bore position is more acurrate, drilling effect is more preferably.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram.
Fig. 2 is the utility model lever structure schematic diagram.
Fig. 3 is the utility model knife bar side view.
Fig. 4 is utility model edge structure schematic diagram.
In figure: 1, knife bar；2, fixed block；3, the first mounting plate；4, cooling hole；5, fixing bolt；6, the second mounting plate；7,
Blade；8, positioning head；9, the first cooling bath；10, threaded hole；11, the second cooling bath.
Specific embodiment
Below by the attached drawing in structure the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Implement 1
Shown in please referring to Fig.1 to Fig.4, cold drill bit in a kind of step, including knife bar 1 and blade 7 is arranged at the top of knife bar 1
Fixed block 2,1 two sides of knife bar are respectively provided with cooling hole 4, and the first mounting plate 3 is arranged in 1 bottom of knife bar, and the is installed below the first mounting plate 3
Several blades 7 are arranged in two mounting plates 6,5 bottom of the second mounting plate, and 7 bottom of blade is arranged positioning head 8, is arranged first inside knife bar 1
Cooling bath 9, blade inside are arranged the second cooling bath 11, are respectively provided with several threaded holes inside the first mounting plate 3 and the second mounting plate 6
10, knife bar 1 is attached by user using fixed block 2 with power device, carries out bore operation using blade 7, and carrying out
When blade 7 is installed, the first mounting plate 3 and the second mounting plate 6 are close to, threaded hole 10 is corresponding, before drilling, utilize positioning head 8
Workpiece is pre-positioned, is drilled after the completion of positioning, bore position is more acurrate, makes compressed air, oil or cutting fluid from cold
But hole 4 flows into the first cooling bath 9 and the second cooling bath 11, plays the role of cooling cutter and workpiece, and wash away chip.
Implement 2
In addition, referring to figs. 1 to 4, this implements to be with the difference for implementing 1: 7 two sides of the bottom of blade are respectively provided with cooling
Hole 4, and cooling hole 4 is connected to the first cooling bath 9 by the second cooling bath 11.Fixing bolt 5, and first are installed inside threaded hole 10
Mounting plate 3 connects the second mounting plate 6 by fixing bolt 5.First mounting plate 3 is close to the second mounting plate 6.8 bottom of positioning head is
Pyramidal structure, user connect the first mounting plate 3 when installing the first mounting plate 3 and the second mounting plate 6, using fixing bolt 5
With the threaded hole 10 inside the second mounting plate 6, to the first mounting plate 3 and the second mounting plate 6 are fixed, and disassembly side
Just, dismounting and change is carried out to blade 7 convenient for user.
When the utility model is used, knife bar 1 is attached by user using fixed block 2 with power device, knife is utilized
Sword 7 carries out bore operation, and when carrying out the installation of blade 7, the first mounting plate 3 and the second mounting plate 6 is close to, by threaded hole 10
It is corresponding, the threaded hole 10 inside the first mounting plate 3 and the second mounting plate 6, and convenient disassembly are connected using fixing bolt 5, is convenient for
User carries out dismounting and change to blade 7, before drilling, is pre-positioned using positioning head 8 to workpiece, is bored after the completion of positioning
Hole, bore position is more acurrate, and compressed air, oil or cutting fluid is made to flow into the first cooling bath 9 and the second cooling bath from cooling hole 4
11, play the role of cooling cutter and workpiece, and wash away chip.
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 is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related 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 embodiments being understood that.
Claims (5)
1. cold drill bit in a kind of step, including knife bar (1) and blade (7), it is characterised in that: setting at the top of the knife bar (1)
Fixed block (2), knife bar (1) two sides are respectively provided with cooling hole (4), and the first mounting plate (3) are arranged in knife bar (1) bottom, institute
It states and the second mounting plate (6) is installed below the first mounting plate (3), several blades (7), institute is arranged in second mounting plate bottom
Blade (7) bottom setting positioning head (8) is stated, the first cooling bath (9) are set inside the knife bar (1), setting inside the blade
Several threaded holes (10) are respectively provided with inside second cooling bath (11), first mounting plate (3) and second mounting plate (6).
2. cold drill bit in a kind of step according to claim 1, it is characterised in that: blade (7) two sides of the bottom are equal
It is arranged the cooling hole (4), and the cooling hole (4) is connected to first cooling bath (9) by second cooling bath (11).
3. cold drill bit in a kind of step according to claim 1, it is characterised in that: installation inside the threaded hole (10)
Fixing bolt (5), and first mounting plate (3) passes through the fixing bolt (5) connection the second mounting plate (6).
4. cold drill bit in a kind of step according to claim 1, it is characterised in that: first mounting plate (3) is close to
Second mounting plate (6).
5. cold drill bit in a kind of step according to claim 1, it is characterised in that: positioning head (8) bottom is cone
Shape structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667051.3U CN208408644U (en) | 2018-05-07 | 2018-05-07 | Cold drill bit in a kind of step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820667051.3U CN208408644U (en) | 2018-05-07 | 2018-05-07 | Cold drill bit in a kind of step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208408644U true CN208408644U (en) | 2019-01-22 |
Family
ID=65118084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820667051.3U Active CN208408644U (en) | 2018-05-07 | 2018-05-07 | Cold drill bit in a kind of step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208408644U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895021A (en) * | 2019-02-25 | 2019-06-18 | 河南利威新能源科技有限公司 | Battery conductive disassembling method and disassembling apparatus and dismantling drill bit |
-
2018
- 2018-05-07 CN CN201820667051.3U patent/CN208408644U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895021A (en) * | 2019-02-25 | 2019-06-18 | 河南利威新能源科技有限公司 | Battery conductive disassembling method and disassembling apparatus and dismantling drill bit |
| CN109895021B (en) * | 2019-02-25 | 2022-02-15 | 河南利威新能源科技有限公司 | Battery conducting bar disassembling method and device and disassembling drill bit |
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