CN209124963U - A kind of molding ladder drill bushing knife that can be refaced - Google Patents
A kind of molding ladder drill bushing knife that can be refaced Download PDFInfo
- Publication number
- CN209124963U CN209124963U CN201821913294.7U CN201821913294U CN209124963U CN 209124963 U CN209124963 U CN 209124963U CN 201821913294 U CN201821913294 U CN 201821913294U CN 209124963 U CN209124963 U CN 209124963U
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- drill
- drill head
- interior
- head
- drill bit
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Abstract
The utility model discloses the molding ladder drill bushing knives that one kind can reface, comprising: drillstock；Drill bit, the drill bit further include interior drill head and outer drill head, and the interior drill head is for cutting internal orifice dimension, and the outer drill head is for cutting external annular groove；The drill bit is arranged in drillstock one end, and the drill bit is an integral molding structure with drillstock；The interior drill head is arranged at the top of drill bit, and the interior drill head is uniformly provided with four cutters tooth；There are two the outer drill head settings, this molding ladder drill bushing knife that can be refaced simultaneously processes components by interior drill head and outer drill head, the components internal orifice dimension and external annular groove compact dimensions of machine-shaping, and interior drill head and outer drill first time machining, reduce the time of bit change, the processing efficiency of components is improved, while avoiding and generating deviation between components internal orifice dimension and external annular groove, reduces the error of parts machining.
Description
Technical field
The utility model relates to bit technique field, specially a kind of molding ladder drill bushing knife that can be refaced.
Background technique
Drill bit is cutting tool used by general awl or drilling and digging machine device, to be cut into circular hole, the base of drill bit
Present principles are to make drill bit trimming rotation, cutting workpiece, by drill flute carry out exclusion drilling cuttings again, common drill bit mainly have fluted drill,
Chit drill, centre drill, depth drill and cylindrical drill, though reamer and counterbit cannot drill on solid material, traditionally also by it
Be included into drill bit one kind.
Using existing bit cutting components, after components cutting forming, internal orifice dimension at components axle center and outer
Annular groove distance is not compact farther out, influences the use of components, and the internal orifice dimension of components and external annular groove need to divide
Processing is opened, due to the internal orifice dimension of the components drill different from external annular groove processing needs, so needing in process component
Drill is replaced, to waste the process time of components, and will cause between the internal orifice dimension of components and external annular groove
Generate deviation.
Utility model content
The purpose of this utility model is to provide the molding ladder drill bushing knives that one kind can reface, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions: the molding ladder drill bushing that one kind can reface
Knife, comprising: drillstock；Drill bit, the drill bit further include interior drill head and outer drill head, and the interior drill head is for cutting inner hole
Diameter, the outer drill head is for cutting external annular groove；The drill bit is arranged in drillstock one end, and the drill bit is integrated with drillstock
Molding structure；The interior drill head is arranged at the top of drill bit, and the interior drill head is uniformly provided with four cutters tooth；The outer drill
There are two head settings, and two outer drill heads are symmetricly set on the outer wall of drill bit bottom.
Wherein, the interior drill head incision is uniformly provided with outer step sword, and the outer drill head incision uniformly opens up
There is interior step sword.
Wherein, the drill bit further includes empty avoiding step, and there are two the empty avoiding step settings, and the setting of empty avoiding step is outside
Between drill head.
Wherein, chamfering is provided on the inside of the outer drill head, the tilt angle of the chamfering is 45 °.
Wherein, the drill bit further includes ring cut groove, and the ring cut groove setting is engaged in interior drill head with outer drill head
Place；The ring cut groove incision is uniformly provided with ring cutting sword.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model simultaneously processes components by interior drill head and outer drill head, and zero of machine-shaping
Part internal orifice dimension and external annular groove compact dimensions, and interior drill head and outer drill first time machining, reduce bit change
Time, the processing efficiency of components is improved, while avoiding and generating deviation between components internal orifice dimension and external annular groove, dropped
The low error of parts machining.
2, the utility model is relatively uniform by the element size of same drill produced, and interchangeability is strong.
3, the utility model is when drill bit is worn, can internally drill head and the nose heave new polishing of outer drill, thus again
Secondary utilization has saved resource so that drill bit utilization rate is high.
Detailed description of the invention
Fig. 1 is the utility model entirety schematic view of the front view；
Fig. 2 is the utility model entirety overlooking structure diagram；
Fig. 3 is the utility model side structure schematic view；
Fig. 4 is the portion A structural schematic diagram in Fig. 2.
In figure: 10- drillstock；20- drill bit；Drill head in 21-；The outer drill head of 22-；23- outer step sword；Step sword in 24-；
25- empty avoiding step；26- chamfering；27- ring cut groove.
Specific embodiment
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
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-4 is please referred to, the utility model provides a kind of technical solution: the molding ladder drill bushing knife that one kind can reface,
It include: drillstock 10 and drill bit 20.
Wherein, the drill bit 20 is an integral molding structure with drillstock 10.
Wherein, the drill bit 20 further includes interior drill head 21 and outer drill head 22, and the interior drill head 21 is in cutting
Aperture, the outer drill head 22 is for cutting external annular groove；The drill bit 20 is arranged in 10 one end of drillstock；The interior drill head
21 settings are uniformly provided with four cutters tooth in 20 top of drill bit, the interior drill head 21；There are two the outer settings of drill head 22,
And two outer drill heads 22 are symmetricly set on the outer wall of 20 bottom of drill bit.
Wherein, interior 21 incision of drill head is uniformly provided with outer step sword, and outer 22 incision of drill head is uniform
Offer interior step sword 24.
Wherein, the drill bit 20 further includes empty avoiding step 25, and there are two the settings of empty avoiding step 25, and empty avoiding step 25
It is arranged between outer drill head 22.
Wherein, chamfering 26 is provided on the inside of the outer drill head 22, the tilt angle of the chamfering 26 is 45 °.
Wherein, the drill bit 20 further includes ring cut groove 27, and the setting of ring cut groove 27 is in interior drill head 21 and outer brill
22 joint of cutter head；27 incision of ring cut groove is uniformly provided with ring cutting sword.
Drill bushing knife: when in use, being first mounted on lathe by working principle, then by drill bit 20 be aligned components at
At type mouth, while open interior drill head 21, simultaneously to the internal orifice dimension of components and external annular groove, then with outer drill head 22
Lathe drives drill bit 20 to rotate, and then interior drill head 21 simultaneously processes components with outer drill head 22, passes through interior drill
First 21 process with outer 22 cutting at one time of drill head, reduce the time of bit change, improve the processing efficiency of components, avoid simultaneously
Deviation is generated between components internal orifice dimension and external annular groove, reduces the error of parts machining.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. the molding ladder drill bushing knife that one kind can reface characterized by comprising
Drillstock (10)；
Drill bit (20), the drill bit (20) further include interior drill head (21) and outer drill head (22), and the interior drill head (21) is used
In cutting internal orifice dimension, the outer drill head (22) is for cutting external annular groove；
Wherein, the drill bit (20) is arranged in drillstock (10) one end, and the drill bit (20) is an integral molding structure with drillstock (10)；
Wherein, at the top of drill bit (20), the interior drill head (21) is uniformly provided with four knives for interior drill head (21) setting
Tooth；
Wherein, there are two outer drill head (22) settings, and two outer drill heads (22) are symmetricly set on drill bit (20) bottom
Outer wall.
2. the molding ladder drill bushing knife that one kind according to claim 1 can reface characterized by comprising
Interior drill head (21) incision is uniformly provided with outer step sword, and outer drill head (22) incision is uniformly provided with
Interior step sword (24).
3. the molding ladder drill bushing knife that one kind according to claim 1 can reface characterized by comprising
The drill bit (20) further includes empty avoiding step (25), and there are two empty avoiding step (25) settings, and empty avoiding step (25)
It is arranged between outer drill head (22).
4. the molding ladder drill bushing knife that one kind according to claim 1 can reface characterized by comprising
It is provided with chamfering (26) on the inside of the outer drill head (22), the tilt angle of the chamfering (26) is 45 °.
5. the molding ladder drill bushing knife that one kind according to claim 1 can reface characterized by comprising
The drill bit (20) further includes ring cut groove (27), and the ring cut groove (27) is arranged in interior drill head (21) and outer drill
Head (22) joint；
Wherein, ring cut groove (27) incision is uniformly provided with ring cutting sword.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913294.7U CN209124963U (en) | 2018-11-20 | 2018-11-20 | A kind of molding ladder drill bushing knife that can be refaced |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821913294.7U CN209124963U (en) | 2018-11-20 | 2018-11-20 | A kind of molding ladder drill bushing knife that can be refaced |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209124963U true CN209124963U (en) | 2019-07-19 |
Family
ID=67245965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821913294.7U Active CN209124963U (en) | 2018-11-20 | 2018-11-20 | A kind of molding ladder drill bushing knife that can be refaced |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209124963U (en) |
-
2018
- 2018-11-20 CN CN201821913294.7U patent/CN209124963U/en active Active
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