CN210147077U - Step countersink with centering drill tip - Google Patents
Step countersink with centering drill tip Download PDFInfo
- Publication number
- CN210147077U CN210147077U CN201920748682.2U CN201920748682U CN210147077U CN 210147077 U CN210147077 U CN 210147077U CN 201920748682 U CN201920748682 U CN 201920748682U CN 210147077 U CN210147077 U CN 210147077U
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- CN
- China
- Prior art keywords
- countersink
- fastening
- connecting disc
- butt joint
- screw
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- Expired - Fee Related
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Abstract
The utility model discloses a ladder countersink with drill point is centering, including connection pad, fastening hole, butt joint post, spliced pole, butt joint screw, fastening screw, pivot, countersink blade, ladder cutting edge, chip groove and drill point. The utility model has the advantages that: fastening screw revolves to twist and connects the fastening in the fastening hole, and fastening screw's length is greater than the degree of depth of fastening hole, and the connection pad revolves soon through docking post and docking screw, be the screw thread rotary type between with the spliced pole and be connected, prevent the connection pad and external motor shaft's the not fastening of being connected, countersink blade is conical, and the ladder cutting edge is the echelonment setting on countersink blade's lateral wall, and the height of distance equals between every ladder cutting edge, the precision that prevents to process the work piece is not up to standard, the chip groove is the heliciform setting at countersink blade's lateral wall, and the chip groove is provided with two and is the symmetrical formula setting, the sediment bits that prevent to process can shelter from operating personnel's.
Description
Technical Field
The utility model relates to a ladder countersink specifically is a ladder countersink with drill point centering, belongs to ladder countersink technical field.
Background
The hard alloy countersink, also called hard alloy countersink, is made up of hard phase WC and binder phase Co, can process the level, cylinder, conical surface and other molded surfaces to the terminal surface of the hole, the hard alloy countersink generally uses the steel cutter body, the hard alloy is regarded as the tool bit, play an important role in the manufacture of the automotive internal-combustion engine, according to the difference of the processing usage, the countersink can also be divided into several kinds such as level countersink, cylinder countersink, taper countersink and terminal surface countersink, wherein the most common flat bottom countersink has 3-4 cutter teeth on circumference and terminal surface respectively, insert the guide pillar in the hole processed, its function is in order to control the error of the coaxiality of the hole reamed and original hole, the guide pillar is generally made removable, in order to facilitate the manufacture and sharpening of the terminal tooth of the countersink.
Therefore, a step countersink with drill point centering is needed to meet the requirement on the current market, although various step countersinks with drill point centering are produced on the current market, in general, a lot of common faults still exist, firstly, two connecting holes are formed in a connecting disc at the bottom of the existing countersink, the connecting disc is not tightly connected with an external motor rotating shaft, secondly, step cutting edges of the existing step countersink are not fully arranged, the accuracy of a processed workpiece is not up to the standard, and thirdly, the existing step countersink is not provided with a chip groove, and processed slag chips can block the sight of an operator.
SUMMERY OF THE UTILITY MODEL
The objective of the present invention is to provide a step countersink with centering of the drill tip in order to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a step countersink with drill point centering comprises a connecting disc, a fastening hole, a butt joint column, a connecting column, a butt joint screw hole, a fastening screw, a rotating shaft, a countersink tool body, a step cutting edge, a chip groove and a drill point; the connection pad revolves soon the fastening through the docking post and sets up the top at the spliced pole, the fastening hole runs through and sets up on the connection pad, docking post welding sets up the bottom at the connection pad, just the docking post is located the bottom central point of connection pad and puts, the spliced pole rotates to connect and fixes in the pivot, the butt joint screw is indent formula setting on the top port of spliced pole, fastening screw revolves soon to connect and sets up in the fastening hole, the pivot is connected and is fixed between spliced pole and countersink sword body, the fixed bottom that sets up in the pivot of countersink sword body, the ladder cutting edge sets up on the lateral wall of countersink sword body, the chip groove is indent formula setting on the lateral wall of countersink sword body, drill point welding sets up the bottom at the countersink sword body.
Preferably, in order to ensure the durability of the connecting disc, the connecting disc is 5 cm in thickness and 8 cm in diameter and is made of stainless steel, the fastening holes penetrate through the connecting disc by taking the circle center of the connecting disc as the center, and the angle formed between every two fastening holes is 60 degrees.
Preferably, in order to prevent the connection between the connection disc and the rotating shaft of the external motor from being not fastened, the fastening screw is screwed, connected and fastened in the fastening hole, the length of the fastening screw is larger than the depth of the fastening hole, and the connection disc is screwed with the butt joint screw hole through the butt joint column and is in threaded rotary connection with the connection column.
Preferably, in order to prevent that the precision of processing work piece is not up to standard, the countersink blade is conical, and the ladder cutting edge is the echelonment setting on the lateral wall of countersink blade, and the height of distance equals between every ladder cutting edge.
Preferably, in order to prevent that the slag bits of processing can shelter from operating personnel's sight, the chip groove is the heliciform setting at the lateral wall of countersink blade, and the chip groove is provided with two and is the symmetrical formula setting.
The utility model has the advantages that: the stepped countersink with drill point centering has reasonable design, the thickness of the connecting disc is 5 cm, the diameter of the connecting disc is 8 cm, the stepped countersink is processed and manufactured by stainless steel, the fastening holes are arranged on the connecting disc in a penetrating way by taking the circle center of the connecting disc as the center, the angle formed between every two fastening holes is 60 degrees, the durability of the connecting disc is ensured, the fastening screws are screwed and fastened in the fastening holes, the length of the fastening screws is larger than the depth of the fastening holes, the connecting disc is screwed and connected with the butt joint screw holes through the butt joint columns and the butt joint screw holes in a thread rotating way, the connecting disc is prevented from being connected with a rotating shaft of an external motor and is not fastened, the countersink tool body is conical, the stepped cutting edges are arranged on the side wall of the countersink tool body, the height of the distance between every two stepped cutting edges is equal, the accuracy of a processed workpiece is prevented from not, and the chip groove is provided with two and be the symmetrical formula setting, prevents that the sediment bits of processing can shelter from operating personnel's sight.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a three-dimensional schematic view of the present invention;
fig. 3 is a bottom schematic view of the present invention.
In the figure: 1. the tool comprises a connecting disc, 2, a fastening hole, 3, a butt joint column, 4, a connecting column, 5, a butt joint screw hole, 6, a fastening screw, 7, a rotating shaft, 8, a countersink tool body, 9, a stepped cutting edge, 10, a chip groove and 11 and a drill tip.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 3, a stepped countersink with drill point centering includes a connecting disc 1, a fastening hole 2, a butt-joint column 3, a connecting column 4, a butt-joint screw hole 5, a fastening screw 6, a rotating shaft 7, a countersink tool body 8, a stepped cutting edge 9, a chip groove 10, and a drill point 11; connection pad 1 revolves the fastening through docking post 3 and sets up the top at spliced pole 4, fastening hole 2 runs through and sets up on connection pad 1, 3 welding settings of docking post are in the bottom of connection pad 1, just docking post 3 is located the bottom central point of connection pad 1 and puts, spliced pole 4 rotates to connect and fixes on pivot 7, butt joint screw 5 is the indent formula and sets up on the top port of spliced pole 4, fastening screw 6 revolves to revolve and connects and set up in fastening hole 2, pivot 7 is connected and is fixed between spliced pole 4 and countersink sword body 8, countersink sword body 8 is fixed to be set up in the bottom of pivot 7, ladder cutting edge 9 sets up on countersink sword body 8's lateral wall, chip groove 10 is the indent formula and sets up on countersink sword body 8's lateral wall, drill point 11 welds the bottom that sets up at countersink sword body 8.
The thickness of the connecting disc 1 is 5 cm, the diameter of the connecting disc 1 is 8 cm, the connecting disc is made of stainless steel, the fastening holes 2 penetrate through the connecting disc 1 by taking the circle center of the connecting disc 1 as the center, the angle formed between every two fastening holes 2 is 60 degrees, the durability of the connecting disc 1 is guaranteed, the fastening screws 6 are screwed, connected and fastened in the fastening holes 2, the length of the fastening screws 6 is larger than the depth of the fastening holes 2, the connecting disc 1 is screwed with the butt joint screw holes 5 through the butt joint columns 3 and the butt joint screw holes 5 and is in threaded rotary connection with the connecting columns 3, the connecting disc 1 is prevented from being connected with a rotating shaft of an external motor and not fastened, the countersink tool body 8 is conical, the stepped countersink blades 9 are arranged on the side wall of the countersink tool body 8, the height of the distance between every two stepped blades 9 is equal, the accuracy of a processed workpiece is prevented from not reaching the standard, the chip discharge grooves, and chip groove 10 is provided with two and be the symmetrical formula setting, prevents that the sediment bits of processing can shelter from operating personnel's sight.
The working principle is as follows: when using this ladder countersink with centering of drill point, weld setting countersink blade 8 on pivot 7 earlier, then rotate pivot 7 and connect the setting in the bottom of spliced pole 4, revolve with connection pad 1 through butt joint post 3 and butt joint screw 5 again and revolve and twist, be the screw thread rotary type between with the spliced pole 3 and be connected, then pass connection pad 1 through fastening screw 6 and revolve with external motor pivot and revolve and twist and be connected can.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a ladder countersink with centering of drill point which characterized in that: the counter-boring tool comprises a connecting disc (1), a fastening hole (2), a butt joint column (3), a connecting column (4), a butt joint screw hole (5), a fastening screw (6), a rotating shaft (7), a counter-boring tool body (8), a stepped cutting edge (9), a chip groove (10) and a drill tip (11); the improved structure is characterized in that the connecting disc (1) is fixedly screwed on the top end of the connecting column (4) through the butt joint column (3), the fastening hole (2) penetrates through the connecting disc (1), the butt joint column (3) is welded and arranged at the bottom of the connecting disc (1), the butt joint column (3) is located at the center of the bottom of the connecting disc (1), the connecting disc (4) is rotatably connected and fixed on a rotating shaft (7), the butt joint screw hole (5) is arranged on a top port of the connecting disc (4) in an inwards concave mode, the fastening screw (6) is rotatably screwed and arranged in the fastening hole (2), the rotating shaft (7) is fixedly connected between the connecting disc (4) and the counter bit cutter body (8), the counter bit cutter body (8) is fixedly arranged at the bottom of the rotating shaft (7), the stepped cutting edge (9) is arranged on the side wall of the counter bit cutter body (8), and the chip groove (10) is arranged on the side wall of the counter bit cutter body (8) in an inwards concave mode, the drill point (11) is welded at the bottom of the countersink tool body (8).
2. The step countersink with centering of a drill tip as claimed in claim 1, wherein: the thickness of the connecting disc (1) is 5 centimeters, the diameter of the connecting disc is 8 centimeters, the connecting disc is made of stainless steel in a machining mode, the fastening holes (2) penetrate through the connecting disc (1) by taking the circle center of the connecting disc (1) as the center, and the angle formed between every two fastening holes (2) is 60 degrees.
3. The step countersink with centering of a drill tip as claimed in claim 1, wherein: fastening screw (6) are twisted to connect the fastening in fastening hole (2), and the length of fastening screw (6) is greater than the degree of depth of fastening hole (2), and connection pad (1) twist through butt joint post (3) and butt joint screw (5), and be the screw thread rotary type between with spliced pole (4) and be connected.
4. The step countersink with centering of a drill tip as claimed in claim 1, wherein: the countersink tool body (8) is conical, the stepped cutting edges (9) are arranged on the side wall of the countersink tool body (8) in a stepped mode, and the height of the distance between every two stepped cutting edges (9) is equal.
5. The step countersink with centering of a drill tip as claimed in claim 1, wherein: chip groove (10) are the heliciform and set up the lateral wall at countersink blade (8), and chip groove (10) are provided with two and are the symmetrical formula setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748682.2U CN210147077U (en) | 2019-05-23 | 2019-05-23 | Step countersink with centering drill tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920748682.2U CN210147077U (en) | 2019-05-23 | 2019-05-23 | Step countersink with centering drill tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210147077U true CN210147077U (en) | 2020-03-17 |
Family
ID=69760105
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920748682.2U Expired - Fee Related CN210147077U (en) | 2019-05-23 | 2019-05-23 | Step countersink with centering drill tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210147077U (en) |
-
2019
- 2019-05-23 CN CN201920748682.2U patent/CN210147077U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200317 |