CN207681556U - A kind of A type centre drills of whole hard alloy - Google Patents
A kind of A type centre drills of whole hard alloy Download PDFInfo
- Publication number
- CN207681556U CN207681556U CN201721653276.5U CN201721653276U CN207681556U CN 207681556 U CN207681556 U CN 207681556U CN 201721653276 U CN201721653276 U CN 201721653276U CN 207681556 U CN207681556 U CN 207681556U
- Authority
- CN
- China
- Prior art keywords
- drillstock
- drill bit
- newel
- identification rings
- fixture block
- 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
Links
Abstract
The utility model discloses a kind of A type centre drills of whole hard alloy, including drillstock, drill bit, oblique cutter head, skewed slot, newel, straight knife head, straight trough, fixture block, marking plate and identification rings.It is provided with identification rings on the main drillstock of the utility model, identification rings are to be evenly spaced on, identification rings correspond to different deep identifications, identification rings are around setting simultaneously, identification rings also can well be held depth in the operation of the drill bit of center, be conducive to process the raising of threaded process precision, symmetrical fixture block is provided on drillstock, drillstock can be fixed for fixture block, avoid the rotation offset of drillstock in use, inclined oblique cutter head is set on drill bit, the material of large area can be carried out cutting milling, the straight knife head of cruciform symmetry is set on newel, the bonding strength of center cone can be improved, ensure enough intensity and abrasion resistance while improving penetration rate, increase the service life of centre drill.
Description
Technical field
The utility model is related to a kind of centre drills, and in particular to a kind of A type centre drills of whole hard alloy belong to processing
Equipment technology field.
Background technology
Prefabricated for hole machined is accurately positioned, and guiding fluted drill carries out hole machined, reduces error.Centre drill is to be used for axis
Center hole machined on the part end faces such as class.The product cutting is brisk, chip removal is good.Center is drilled with two kinds of patterns:A types:Without shield
Centre drill, the Type B of cone:Centre drill with shield cone, when processing the centre bore of diameter d=2~10mm, generally use is without shield cone
Centre drill (A types)；Process is longer, the higher workpiece of required precision, general using band shield in order to avoid 60 degree of centering cones are damaged
The centre drill (Type B) of cone.Centre bore is positioning basal plane of the shaft-like workpiece in top upper installation.60 ° of taper holes of centre bore with it is top
On 60 ° of conical surfaces match；The small sircle hole of inner end to ensure that taper hole is proper with top cone match, and can store a small amount of lubrication
Oil.
Traditional A type centre drills, the bonding strength of center cone is inadequate, is not amenable to long-term operation abrasion, is easy to make
With damaging in the process, while smooth drillstock is easy to be easy sliding during drilling, is impacted to machining accuracy, general
Logical centre drill is not easy to carry out the estimation of depth when being punched, and inconvenience is controlled.
Utility model content
The purpose of this utility model is that the center cone for providing high intensity to solve the above-mentioned problems is bonded just
In the A type centre drills of controlling depth.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of A type centre drills of whole hard alloy,
Including drillstock, oblique cutter head and straight knife head, the drillstock both ends connect drill bit, the oblique cutter head of connection in the drill bit, on the drillstock
Skewed slot is set, and the drill bit is connect with newel, and straight knife head is connected on the newel, straight trough is arranged on the newel, institute
It states and fixture block is set on drillstock, marking plate is set on the drillstock, identification rings are set on the drillstock.
Preferably, in order to make drillstock increase operation rate, drill bit can be used alternatingly, and reduce the rate of wear of drill bit, improve
The service life of centre drill, both ends are respectively provided with drill bit on the drillstock, are identical setting on drill bit.
Preferably, in order to enable oblique cutter head to cut the material of large area, centre bore is got, the speed of punching is improved
Rate, while being obliquely installed and allowing inclination cutter head can be by the power of bigger, cutting ability is more preferable, and inclined oblique knife is arranged on the drill bit
Head, oblique cutter head side are higher than outside diameter.
Preferably, in order to enable centre drill accurately to be positioned to centre bore, while ensureing the intensity of straight knife head, keep away
Exempt from losing for straight knife head, the newel is arranged in the center of drill bit, the symmetrical cross straight knife head of newel setting.
Preferably, for the sliding for enabling fixture block to prevent drillstock in rotation process, camber line face can ensure in welding
Symmetrical fixture block, the arcwall face that the setting of fixture block side matches with drillstock are arranged on the drillstock for bonding strength.
Preferably, in order to enable the punching depth of drill bit intuitively to show, it is convenient for the timely observation of user, the brill
The identification rings being equally spaced are set on handle.
Compared with prior art, the utility model has the beneficial effects that：
1, the utility model is provided with identification rings on drillstock, and identification rings are to be evenly spaced on, and identification rings correspond to different
Deep identification, convenient for understanding the working depth of centre drill, while identification rings are around setting, and identification rings rotate through in centre drill
Also depth can be held well in journey, be conducive to the raising for processing threaded process precision, be provided on drillstock symmetrical
Fixture block, drillstock can be fixed for fixture block, avoids the rotation offset of drillstock in use.
2, inclined oblique cutter head is arranged in the utility model, can carry out cutting milling to the material of large area, be set on newel
The straight knife head for setting cruciform symmetry, can improve the bonding strength of center cone, ensure enough strong while improving penetration rate
Degree and abrasion resistance, increase the service life of centre drill.
Description of the drawings
Fig. 1 is the utility model overall schematic.
Fig. 2 is the utility model straight knife head connection diagram.
In figure：1, drillstock；2, drill bit；3, oblique cutter head；4, skewed slot；5, newel；6, straight knife head；7, straight trough；8, fixture block；9、
Marking plate；10, identification rings.
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.
Embodiment 1
Refering to Figure 1, a kind of A type centre drills of whole hard alloy, including drillstock 1, oblique cutter head 3 and straight knife head 6,
1 both ends of drillstock connect drill bit 2, and drill bit 2 is arranged in the double end on drillstock 1, and centre drill can be used alternatingly with both ends, reduce centre drill
Rate of depreciation improves the service life of centre drill, improves the utilization ratio of drillstock 1, reduces the replacement frequency of centre drill, drill bit 2
It is interior to connect oblique cutter head 3, skewed slot 4 is set on drillstock 1, the stress performance of oblique cutter head 3 is good, can bear larger shearing force, can
The material of larger area is carried out to cut milling, oblique cutter head 3 can improve the rate of drilling, reduce the pressure of center cone, and processing generates
Clast have the export of skewed slot 4, drill bit 2 connect with newel 5, and connection straight knife head 6 on newel 5, straight knife head 6 is on newel 5
For cross distribution, the integral strength of center cone is strengthened, while increasing the processing speed of straight knife head 6, is arranged on newel 5 straight
Slot 7, the clast that straight knife head 6 is processed export, and fixture block 8 is arranged on drillstock 1, are used for the clamping of device and drillstock 1, prevent drillstock 1
Rotational slide, marking plate 9 is set on drillstock 1, is marked for the centre drill to different model, convenient for distinguishing for user
Not, identification rings 10 are set on drillstock 1, and identification rings 10 correspond to different deep identifications, convenient for understanding the working depth of centre drill, together
When identification rings 10 be around setting, identification rings 10 also can well hold depth in the operation of the drill bit of center.
Embodiment 2
In addition, referring to Figures 1 and 2, being based on above-described embodiment, both ends are respectively provided with drill bit 2 on drillstock 1, are identical on drill bit 2
Setting, makes drillstock 1 increase operation rate, and drill bit 2 can be used alternatingly, and reduces the rate of wear of drill bit 2, improves the use of centre drill
In the service life, inclined oblique cutter head 3 is set, 3 side of oblique cutter head is higher than 2 outer diameter of drill bit, enables oblique cutter head 3 to large area on drill bit 2
Material cut, get centre bore, improve the rate of punching, at the same be obliquely installed allow tilt cutter head 3 can be by bigger
Power, cutting ability is more preferable, and newel 5 is arranged in the center of drill bit 2, and symmetrical cross straight knife head is arranged in newel 5
6, so that centre drill is accurately positioned to centre bore, while ensureing the intensity of straight knife head 6, avoids losing for straight knife head 6,
Symmetrical fixture block 8 is set on drillstock 1, and the arcwall face that the setting of 8 side of fixture block matches with drillstock 1 enables fixture block 8 to prevent drillstock
1 rotation process sliding, camber line face can ensure the bonding strength in welding, the identification rings being equally spaced are arranged on drillstock 1
10, so that the punching depth of drill bit 2 is intuitively showed, is convenient for the timely observation of user.
When the utility model is used, drillstock 1 and device are clamped by fixture block 8, during the straight knife head 6 on newel 5 carries out
The determination of heart hole center, clast are exported by straight trough 7, and the oblique cutter head 3 after center determines on drill bit 2 carries out material big
Area cuts milling, drills through out centre bore, and clast is exported by skewed slot 4, and depth can be carried out by identification rings 10 while drilling
It determines.
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 A type centre drills of whole hard alloy, which is characterized in that including drillstock (1), oblique cutter head (3) and straight knife head
(6),
Drillstock (1) the both ends connection drill bit (2), the drill bit (2) is interior to connect oblique cutter head (3), and setting is oblique on the drillstock (1)
Slot (4), the drill bit (2) connect with newel (5), connection straight knife head (6) on the newel (5), on the newel (5)
Straight trough (7) is set, setting fixture block (8) on the drillstock (1), setting marking plate (9) on the drillstock (1), on the drillstock (1)
Identification rings (10) are set.
2. a kind of A type centre drills of whole hard alloy according to claim 1, it is characterised in that：On the drillstock (1)
Both ends are respectively provided with drill bit (2), are identical setting on drill bit (2).
3. a kind of A type centre drills of whole hard alloy according to claim 1, it is characterised in that：On the drill bit (2)
Inclined oblique cutter head (3) is set, and oblique cutter head (3) side is higher than drill bit (2) outer diameter.
4. a kind of A type centre drills of whole hard alloy according to claim 1, it is characterised in that：The newel (5)
Center in drill bit (2), the symmetrical cross straight knife head (6) of newel (5) setting are set.
5. a kind of A type centre drills of whole hard alloy according to claim 1, it is characterised in that：On the drillstock (1)
Symmetrical fixture block (8), the arcwall face that the setting of fixture block (8) side matches with drillstock (1) are set.
6. a kind of A type centre drills of whole hard alloy according to claim 1, it is characterised in that：On the drillstock (1)
The identification rings (10) being equally spaced are set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653276.5U CN207681556U (en) | 2017-12-01 | 2017-12-01 | A kind of A type centre drills of whole hard alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721653276.5U CN207681556U (en) | 2017-12-01 | 2017-12-01 | A kind of A type centre drills of whole hard alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207681556U true CN207681556U (en) | 2018-08-03 |
Family
ID=62999972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721653276.5U Expired - Fee Related CN207681556U (en) | 2017-12-01 | 2017-12-01 | A kind of A type centre drills of whole hard alloy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207681556U (en) |
-
2017
- 2017-12-01 CN CN201721653276.5U patent/CN207681556U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2017136966A1 (en) | High efficiency step-structured twist drill | |
| CN205967542U (en) | Integrative cutter of rimer | |
| CN201579852U (en) | Inverted conical woodworking spiral drill | |
| CN207681556U (en) | A kind of A type centre drills of whole hard alloy | |
| CN208895251U (en) | Molding cutter for hole machined | |
| CN202845874U (en) | Curved edge drill | |
| CN207642368U (en) | Hard alloy metal hole making drill | |
| CN107737977A (en) | A kind of A type centre drills of whole hard alloy | |
| CN203401121U (en) | Countersinking and reaming composite cutter for solid carbide drill | |
| CN107309477A (en) | A kind of hollow boring bit | |
| CN207508360U (en) | A kind of chip dividing drill head for processing cutting-resistant metal material | |
| US20230191507A1 (en) | Alloy tool bit twist drill | |
| CN208961069U (en) | It is a kind of to bore high-intensitive, high hardness alloy material essence hole fluted drill | |
| CN205660201U (en) | Carbide reserves core drill bit for one's own use | |
| CN207681559U (en) | A kind of reflectal truck hub efficiently brill milling integrated cutter | |
| CN207681663U (en) | A kind of integrally-built screw thread boring cutter | |
| CN208895249U (en) | A kind of self-centering drill bit | |
| CN203401119U (en) | High-strength highly-durable drill | |
| CN207171030U (en) | Drill bit for drilling deep hole | |
| CN205888175U (en) | Reverse rimer of carbide shaping | |
| CN218487276U (en) | Drilling bit for drilling machine | |
| CN205414590U (en) | Reamer | |
| CN208825636U (en) | A kind of V-type drill bit for lathe process | |
| CN216881872U (en) | Coating alloy drill bit capable of controlling drilling depth | |
| CN212945617U (en) | Twist drill |
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: 20211201 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |