CN213764146U - Combined countersink drill for processing bathroom parts - Google Patents
Combined countersink drill for processing bathroom parts Download PDFInfo
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- CN213764146U CN213764146U CN202022740073.8U CN202022740073U CN213764146U CN 213764146 U CN213764146 U CN 213764146U CN 202022740073 U CN202022740073 U CN 202022740073U CN 213764146 U CN213764146 U CN 213764146U
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Abstract
The utility model discloses a combination countersink for processing bathroom spare part, including cutting part and stalk portion, the cutting part includes cutting part base member, carbide blade one and carbide blade two, carbide blade one includes two, and the symmetric welding is on the cutting part base member, carbide blade two passes through nut locking and sets up on the cutting part base member, and is located between two carbide blade one, the chip groove sets up the rear side at carbide blade one, stalk portion and cutting part base member integrated into one piece, and the diameter of stalk portion is less than the diameter of cutting part base member afterbody. The cutting part adopts the design of welding the hard alloy blade and locking the hard alloy blade by the nut, when the blade is broken, the mounting position of the blade can be adjusted to be independently ground or replaced, the scrapped condition of the whole cutter is avoided, and the cost of the cutter is reduced.
Description
Technical Field
The utility model relates to a cutter technical field specifically says so, is a combination countersink for processing bathroom spare part.
Background
The countersink drill is a processing tool for scraping an end face of a hole processed on a workpiece or cutting a conical or cylindrical counter bore, 2 types of cutters are originally used for processing bathroom parts, and then the cutter is changed into a forming cutter, but due to the size limitation of parts, an outer side chamfering edge is easy to break, an inner side cutting edge is still as new, the outer side cutting edge can be ground if the breakage is small, once the breakage is too large, the whole cutter is scrapped, and the cutter cost is increased.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: to the problem and not enough of existence among the above-mentioned prior art, the utility model aims at providing a combination countersink for processing bathroom spare part.
The technical scheme is as follows: in order to achieve the above object, a combination countersink for processing bathroom spare part, including cutting part and stalk portion, the cutting part includes cutting part base member, carbide blade one and carbide blade two, carbide blade one includes two, and the symmetric welding is on the cutting part base member, carbide blade two-pass nut locking sets up on the cutting part base member, and is located between two carbide blade one, and the chip groove sets up the rear side at carbide blade one, stalk portion and cutting part base member integrated into one piece, and the diameter of stalk portion is less than the diameter of cutting part base member afterbody.
Further, carbide blade one includes end sword, tapering sword, internal orifice chamfer sword and terminal surface sword, the end sword stretches out the terminal surface 1-2 mm of cutting part base member, and is parallel with the terminal surface of cutting part base member, and the tapering sword sets up between end sword and internal orifice chamfer sword, the internal orifice chamfer sword sets up between tapering sword and terminal surface sword.
Furthermore, the included angle formed by the taper edge and the horizontal central line is 2-3 degrees, the included angle formed by the inner opening chamfer edge and the horizontal central line is 44-45 degrees, and the bottom edge and the end surface edge are both vertical to the horizontal central line.
Further, an outer chamfer edge is arranged on the hard alloy blade II, and an included angle formed by the outer chamfer edge and a horizontal center line is 45-47 degrees.
Furthermore, two round holes are formed in the second hard alloy blade, a blade groove matched with the second hard alloy blade is formed in the handle portion, and a threaded hole is formed in the blade groove.
Further, the handle part is a side-fixed type knife handle.
Furthermore, the handle part is provided with an inner cooling channel, and the chip groove is provided with a branch inner cooling hole communicated with the inner cooling channel.
Above-mentioned technical scheme can see out, the beneficial effects of the utility model are that:
a combination countersink for processing bathroom spare part, the cutting part adopts the design of welding carbide blade and nut locking carbide blade, collapses to decrease when the blade appears, the condemned condition of whole cutter is avoided to the independent coping of mounted position of adjustable blade or replacement for the cost reduction of cutter.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a structural view of the end face of the present invention.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
A combination countersink for processing bathroom spare part as shown in fig. 1-2, including cutting part 1 and stalk portion 2, cutting part 1 includes cutting part base member 11, carbide blade 12 and carbide blade two 13, carbide blade 12 includes two, and the symmetric welding is on cutting part base member 11, carbide blade two 13 passes through nut locking and sets up on cutting part base member 11, and is located between two carbide blade 12, and chip groove 16 sets up the rear side at carbide blade 12, stalk portion 2 and cutting part base member 11 integrated into one piece, and the diameter of stalk portion 2 is less than the diameter of cutting part base member 11 afterbody.
In this embodiment, the cemented carbide insert one 12 includes a bottom edge 121, a tapered edge 122, an inner chamfer edge 123 and an end face edge 124, where the bottom edge 121 extends 1-2 mm beyond the end face of the blade base 11 and is parallel to the end face of the blade base 11, the tapered edge 122 is disposed between the bottom edge 121 and the inner chamfer edge 123, and the inner chamfer edge 123 is disposed between the tapered edge 122 and the end face edge 124.
In this embodiment, an included angle formed by the tapered edge 122 and the horizontal center line is 2 to 3 °, an included angle formed by the inner chamfer edge 123 and the horizontal center line is 44 to 45 °, and the bottom edge 121 and the end face edge 124 are both perpendicular to the horizontal center line.
In this embodiment, the second hard alloy blade 13 is provided with an outer chamfer edge 131, and an included angle formed by the outer chamfer edge 131 and a horizontal center line is 45 to 47 degrees.
In this embodiment, two circular holes are formed in the second cemented carbide insert 13, an insert pocket 14 matched with the second cemented carbide insert 13 is formed in the shank 2, and a threaded hole 141 is formed in the insert pocket 14.
In the embodiment, the handle part 2 is a side-fixed type knife handle.
In the embodiment, the handle 2 is provided with an inner cooling channel 21, and the chip grooves 16 are provided with branch inner cooling holes 15 communicated with the inner cooling channel 21.
The examples are given solely for the purpose of illustration and are not to be construed as limitations of the present invention, as various equivalents will occur to those skilled in the art upon reading the present invention and are intended to be within the scope of the invention as defined in the claims appended hereto.
Claims (7)
1. The utility model provides a combination countersink for processing bathroom spare part which characterized in that: including cutting part (1) and stalk portion (2), cutting part (1) includes cutting part base member (11), carbide blade (12) and carbide blade two (13), carbide blade (12) includes two, and the symmetric welding is on cutting part base member (11), carbide blade two (13) set up on cutting part base member (11) through nut locking, and lie in between two carbide blade (12), chip groove (16) set up the rear side at carbide blade (12), stalk portion (2) and cutting part base member (11) integrated into one piece, and the diameter of stalk portion (2) is less than the diameter of cutting part base member (11) afterbody.
2. The combined countersink drill for processing sanitary parts according to claim 1, wherein: hard alloy blade (12) include end sword (121), tapering sword (122), internal opening chamfer sword (123) and terminal surface sword (124), end sword (121) stretch out the terminal surface 1-2 mm of cutting part base member (11), and are parallel with the terminal surface of cutting part base member (11), and tapering sword (122) set up between end sword (121) and internal opening chamfer sword (123), internal opening chamfer sword (123) set up between tapering sword (122) and terminal surface sword (124).
3. The combined countersink drill for processing sanitary parts according to claim 2, wherein: the included angle formed by the taper edge (122) and the horizontal center line is 2-3 degrees, the included angle formed by the inner opening chamfer edge (123) and the horizontal center line is 44-45 degrees, and the bottom edge (121) and the end face edge (124) are both vertical to the horizontal center line.
4. The combined countersink drill for processing sanitary parts according to claim 2, wherein: an outer chamfer edge (131) is arranged on the second hard alloy blade (13), and an included angle formed by the outer chamfer edge (131) and a horizontal center line is 45-47 degrees.
5. The combined countersink drill for processing sanitary parts according to claim 4, wherein: two round holes are formed in the second hard alloy blade (13), a blade groove (14) matched with the second hard alloy blade (13) is formed in the handle portion (2), and a threaded hole (141) is formed in the blade groove (14).
6. The combined countersink drill for processing sanitary parts according to claim 1, wherein: the handle part (2) is a side-fixed type knife handle.
7. The combined countersink drill for processing sanitary parts according to claim 2, wherein: the handle part (2) is provided with an inner cooling channel (21), and the chip groove (16) is provided with a branch inner cooling hole (15) communicated with the inner cooling channel (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022740073.8U CN213764146U (en) | 2020-11-24 | 2020-11-24 | Combined countersink drill for processing bathroom parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022740073.8U CN213764146U (en) | 2020-11-24 | 2020-11-24 | Combined countersink drill for processing bathroom parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213764146U true CN213764146U (en) | 2021-07-23 |
Family
ID=76880483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022740073.8U Active CN213764146U (en) | 2020-11-24 | 2020-11-24 | Combined countersink drill for processing bathroom parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213764146U (en) |
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2020
- 2020-11-24 CN CN202022740073.8U patent/CN213764146U/en active Active
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