CN218253059U - High-strength twist drill bit - Google Patents
High-strength twist drill bit Download PDFInfo
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- CN218253059U CN218253059U CN202222382296.0U CN202222382296U CN218253059U CN 218253059 U CN218253059 U CN 218253059U CN 202222382296 U CN202222382296 U CN 202222382296U CN 218253059 U CN218253059 U CN 218253059U
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- twist drill
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Abstract
The utility model relates to the technical field of drilling tools, and discloses a high-strength twist drill bit, which comprises an installation head, a threaded column and a clamping column, wherein the bottom end of the threaded column is fixedly connected with the top end of the clamping column; the utility model discloses a be provided with the cooperation of installation head, screw thread post, joint post, mounting hole and screw hole, can conveniently utilize the screw thread post to twist reverse in the screw thread to make joint post card in the mounting hole, conveniently make this drill bit install in the installation head, thereby spacing in the mounting hole to the joint post, and then can reduce this joint post and take place relative slip with the installation head, play the effect of conveniently installing and using this high strength fluted drill firmly.
Description
Technical Field
The utility model relates to a drilling tool technical field specifically is a high strength fluted drill.
Background
Twist drills are tools for drilling round holes in workpieces by rotary cutting thereof about a fixed axis, and can be held in hand-held drilling tools, both manual and electric, or drilling, milling, turning and even machining centers.
The invention patent with the prior grant publication number of CN107186252A discloses a high-strength twist drill, which comprises a part, a neck part, a twist drill body, a drilling head and a guide part; the handle is connected with the neck, the neck is connected with the twist drill body, one end of the twist drill body is provided with a drilling head, and the drilling head is connected with a guide part; the guide part is cylindrical.
By adopting the technical scheme, the mechanical property, the process property and the cutter wear resistance are improved, and the spiral drill bit has the advantages of simple structure, reasonable arrangement, low manufacturing cost and the like, but the spiral drill bit is inconvenient to replace, so that the time and the energy of a user are wasted, and the drilling efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the deficiency of the prior art, the utility model provides a high strength twist drill possesses the advantage that the convenience is changed twist drill.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high strength twist drill bit, includes installation head, screw thread post and joint post, the bottom of screw thread post and the top fixed connection of joint post, the mounting hole has been seted up to the bottom surface of installation head, joint post joint in the inside of mounting hole, the interior roof of mounting hole threaded hole, screw thread post threaded connection is in the inside of screw hole, the rotation draw-in groove has been seted up to the inner wall of mounting hole, the spacing post that the surface fixed connection of joint post was arranged the equidistance, every spacing equal joint of post is in the inside of rotating the draw-in groove, two sets of first locating holes, two sets of are seted up to the surface of rotating the draw-in groove second locating hole has all been seted up to the one end that spacing post was kept away from each other, every group the equal threaded connection in inside of second locating hole has positioning bolt, and is two sets of the one end that positioning bolt is close to each other all runs through first locating hole and with the internal thread connection of second locating hole.
Preferably, the upper surface of the mounting head is fixedly connected with a connecting column, and the top end of the connecting column is fixedly connected with a rotating column.
Preferably, the outer surface of the rotating column is fixedly connected with a stabilizing ring, and the bottom surface of the stabilizing ring is fixedly connected with the top end of the connecting column.
Preferably, the bottom fixedly connected with fluted drill main part of joint post, the chip groove that the equidistance was arranged is seted up to the surface of fluted drill main part, the chip groove is two sets of at least.
Preferably, the outer surface of the twist drill body is fixedly connected with a baffle ring, and the upper surface of the baffle ring is in contact with the bottom surface of the mounting head.
Preferably, the bottom surface of the baffle ring is fixedly connected with a mounting ring, and the inner wall of the mounting ring is fixedly connected with the outer surface of the twist drill body.
Preferably, the inner top wall of the threaded hole is fixedly connected with a compression spring, the bottom end of the compression spring is fixedly connected with a sliding ring, and the bottom surface of the sliding ring is in contact with the top end of the threaded column.
Preferably, every positioning bolt's surface all overlaps and is equipped with the buffering ring, two sets of hidden holes have been seted up to the surface of installation head, every group hide the hole and all be linked together with first locating hole, two sets of a side that the buffering ring is close to each other all contacts with the interior diapire wall of hiding the hole.
(III) advantageous effects
Compared with the prior art, the utility model provides a high strength fluted drill possesses following beneficial effect: this high strength twist drill bit, through being provided with the installation head, the screw thread post, the joint post, the cooperation of mounting hole and screw hole, can conveniently utilize the screw thread post to twist reverse in the screw hole, and make the joint post card in the mounting hole, make things convenient for this high strength twist drill bit to install in the installation head, utilize the cooperation of rotating draw-in groove and spacing post, can rotate the joint post, make spacing post at the rotation draw-in groove internal rotation, thereby can make screw thread and threaded connection, also can make spacing post card in rotating the draw-in groove, recycle first locating hole, the cooperation of second locating hole and positioning bolt, can conveniently utilize positioning bolt and first locating hole and second locating hole threaded connection, can make spacing post fix firmly in rotating the draw-in groove, thereby can be spacing in the mounting hole to the joint post, and then can reduce this joint post and take place relative slip with the installation head, play the effect of conveniently using this high strength twist drill bit firmly.
Drawings
Fig. 1 is a three-dimensional structural schematic diagram of the rotating column of the present invention;
fig. 2 is a three-dimensional structure diagram of the cross-sectional view of the connecting column of the present invention;
fig. 3 is a schematic structural view of a cross-sectional view of the mounting head of the present invention;
fig. 4 is a three-dimensional structure schematic diagram of the twist drill main body of the present invention.
In the figure: 1. a twist drill body; 2. a chip removing groove; 3. a mounting head; 4. positioning the bolt; 5. connecting columns; 6. rotating the column; 7. a stabilizing ring; 8. a buffer ring; 9. a baffle ring; 10. a mounting ring; 11. a slip ring; 12. a compression spring; 13. a threaded hole; 14. mounting holes; 15. rotating the clamping groove; 16. a first positioning hole; 17. hiding the hole; 18. a clamping column; 19. a threaded post; 20. a limiting column; 21. and a second positioning hole.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.
Referring to fig. 1-4, the present invention: the utility model provides a high strength twist drill, includes installation head 3, screw thread post 19 and joint post 18, the bottom of screw thread post 19 and the top fixed connection of joint post 18, the last fixed surface who installs head 3 is connected with spliced pole 5, and the top fixedly connected with of spliced pole 5 rotates post 6, is connected with outside rotation motor through rotating post 6, can conveniently utilize to rotate post 6 and drive spliced pole 5 and rotate, and then can conveniently drive whole twist drill.
The outer fixed surface of the rotating column 6 is connected with a stabilizing ring 7, the bottom surface of the stabilizing ring 7 is fixedly connected with the top end of the connecting column 5, and the stabilizing ring 7 can enable the rotating column 6 to be stably fixed on the connecting column 5 to improve the connection stability of the rotating column 6, so that the harm to the human body of a user due to the unstable connection between the connecting column 5 and the rotating column 6 is reduced.
Rotation draw-in groove 15 has been seted up to the inner wall of mounting hole 14, the spacing post 20 that the outer fixed surface of joint post 18 was connected with the equidistance and arranges, every spacing post 20 all joints in the inside of rotating draw-in groove 15, the outer fixed surface of fluted drill main part 1 is connected with and keeps off ring 9, the upper surface that keeps off ring 9 contacts with the bottom surface of installation head 3, keep off ring 9 when fluted drill main part 1 is accomplished in the installation, can just in time contact with the bottom surface of installation head 3, thereby play and can conveniently carry out the effect of fixing a position to installation fluted drill main part 1.
Two sets of first locating holes 16 have been seted up to the surface that rotates draw-in groove 15, second locating hole 21 has all been seted up to the one end that two sets of spacing post 20 kept away from each other, the equal threaded connection in inside of every group second locating hole 21 has positioning bolt 4, two sets of positioning bolt 4 one end that are close to each other all run through first locating hole 16 and with the inside threaded connection of second locating hole 21, the bottom surface fixedly connected with collar 10 that keeps off ring 9, the inner wall of collar 10 and the fixed surface of fluted drill main part 1 are connected, collar 10 can improve being connected of fluted drill main part 1 and joint post 18, thereby can make fluted drill main part 1 more stable, and then can make when utilizing this fluted drill main part 1, more stable.
The interior roof fixedly connected with compression spring 12 of screw hole 13, compression spring 12's bottom fixedly connected with slip ring 11, the bottom surface of slip ring 11 contacts with the top of screw thread post 19, and screw thread post 19 extrudes slip ring 11, can make slip ring 11 slide in screw hole 13 to can compress compression spring 12, further improve the installation stability of fluted drill main part 1.
Every positioning bolt 4's surface all overlaps and is equipped with buffering ring 8, two sets of hidden holes 17 have been seted up to installation head 3's surface, every group hides hole 17 and all is linked together with first locating hole 16, a side that two sets of buffering rings 8 are close to each other all contacts with the interior diapire wall of hiding hole 17, hide hole 17 and can be linked together with first locating hole 16, can make things convenient for buffering ring 8 to cushion positioning bolt 4's impact force, thereby can prolong this fixed knot structure's life.
The utility model discloses a theory of operation is: when the high-strength twist drill is used, when a workpiece needs to be drilled by the high-strength twist drill, the clamping column 18 and the threaded column 19 are clamped into the mounting head 3 manually, the clamping column 18 is twisted to enable the threaded column 19 to be connected with the threaded hole 13, the compression spring 12 is compressed by extruding the sliding ring 11, the connection stability of the threaded column 19 and the threaded hole 13 can be improved until the clamping column 18 is clamped in the mounting hole 14, the baffle ring 9 is in contact with the mounting head 3 to facilitate limiting of the mounting clamping column 18, then the clamping column 18 is continuously twisted to enable the limiting column 20 to rotate in the rotating clamping groove 15 until the second positioning hole 21 in the limiting column 20 corresponds to the first positioning hole 16 in the surface of the mounting head 3, so that the positioning bolt 4 can be conveniently used for penetrating through the first positioning hole 16 to be connected with the second positioning hole 21, the clamping column 18 in the mounting hole 14 can be conveniently limited, the problem that relative sliding between the clamping column 18 and the mounting head 3 occurs is reduced, after the twist drill body 1 is connected with the mounting head 3, the mounting head 6 can be conveniently rotated to drive the mounting head to drill a scrap chip groove 2 to drill hole, and the workpiece can be conveniently used for drilling, and the chip discharging chip groove.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.
Claims (8)
1. The utility model provides a high strength twist drill, includes installation head (3), screw thread post (19) and joint post (18), its characterized in that: the bottom of screw thread post (19) and the top fixed connection of joint post (18), mounting hole (14) have been seted up to the bottom surface of installation head (3), joint post (18) joint in the inside of mounting hole (14), threaded hole (13) have been seted up to the interior roof of mounting hole (14), screw thread post (19) threaded connection is in the inside of threaded hole (13), rotation draw-in groove (15) have been seted up to the inner wall of mounting hole (14), spacing post (20) that the surface fixed connection of joint post (18) equidistance was arranged, every spacing post (20) all joint in the inside of rotation draw-in groove (15), rotate the surface of draw-in groove (15) and seted up two sets of first locating hole (16), two sets of second locating hole (21) have all been seted up to the one end that spacing post (20) kept away from each other, every group the equal threaded connection in inside of second locating hole (21) has positioning bolt (4), and two sets of one end that positioning bolt (4) are close to each other all runs through first locating hole (16) and with the inside threaded connection of second locating hole (21).
2. A high strength twist drill according to claim 1, wherein: the upper surface of the mounting head (3) is fixedly connected with a connecting column (5), and the top end of the connecting column (5) is fixedly connected with a rotating column (6).
3. A high strength twist drill according to claim 2, wherein: the outer surface of the rotating column (6) is fixedly connected with a stabilizing ring (7), and the bottom surface of the stabilizing ring (7) is fixedly connected with the top end of the connecting column (5).
4. A high strength twist drill according to claim 1, wherein: the bottom fixedly connected with twist drill main part (1) of joint post (18), chip groove (2) that the equidistance was arranged are seted up to the surface of twist drill main part (1), chip groove (2) are two sets of at least.
5. A high strength twist drill according to claim 4, wherein: the outer surface of the twist drill body (1) is fixedly connected with a baffle ring (9), and the upper surface of the baffle ring (9) is in contact with the bottom surface of the mounting head (3).
6. A high strength twist drill according to claim 5, wherein: the bottom surface of the baffle ring (9) is fixedly connected with a mounting ring (10), and the inner wall of the mounting ring (10) is fixedly connected with the outer surface of the twist drill main body (1).
7. A high strength twist drill according to claim 1, wherein: the inner top wall of the threaded hole (13) is fixedly connected with a compression spring (12), the bottom end of the compression spring (12) is fixedly connected with a sliding ring (11), and the bottom surface of the sliding ring (11) is in contact with the top end of a threaded column (19).
8. A high strength twist drill according to claim 1, wherein: every the surface of set bolt (4) all overlaps and is equipped with buffer ring (8), two sets of hidden holes (17), every group have been seted up to the surface of installation head (3) hidden hole (17) all are linked together with first locating hole (16), and are two sets of a side that buffer ring (8) are close to each other all contacts with the interior diapire of hiding hole (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222382296.0U CN218253059U (en) | 2022-09-08 | 2022-09-08 | High-strength twist drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222382296.0U CN218253059U (en) | 2022-09-08 | 2022-09-08 | High-strength twist drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218253059U true CN218253059U (en) | 2023-01-10 |
Family
ID=84712581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222382296.0U Active CN218253059U (en) | 2022-09-08 | 2022-09-08 | High-strength twist drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218253059U (en) |
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2022
- 2022-09-08 CN CN202222382296.0U patent/CN218253059U/en active Active
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