CN212191411U - High-speed steel twist drill - Google Patents
High-speed steel twist drill Download PDFInfo
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- CN212191411U CN212191411U CN202020687799.7U CN202020687799U CN212191411U CN 212191411 U CN212191411 U CN 212191411U CN 202020687799 U CN202020687799 U CN 202020687799U CN 212191411 U CN212191411 U CN 212191411U
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Abstract
The utility model provides a high-speed steel twist drill, which comprises a drill bit, a guide cutting edge, a drill handle, a stud, a mounting groove, a positioning block, a positioning groove, a connecting block, a fixed pin, a fixed hole, a connecting groove and a clamping spring pad, wherein the drill bit is arranged on the upper side of the guide cutting edge, the drill handle is connected with the lower side of the guide cutting edge, the stud is arranged on the lower end surface of the drill bit, the mounting groove is arranged in the guide cutting edge, the positioning block is arranged on the lower end surface of the stud, the positioning groove is arranged on the lower end surface of the mounting groove, the connecting block is arranged on the lower end surface of the guide cutting edge, the connecting groove is arranged in the drill handle, the fixed hole is arranged in the stud and the connecting block, the fixed pin is arranged, the use effect is good.
Description
Technical Field
The utility model relates to a high-speed steel fluted drill belongs to high-speed steel fluted drill technical field.
Background
High speed steel twist drills are tools that drill round holes in a workpiece by their rotational cutting relative to a fixed axis. The flute is spiral and shaped like twist. The helical groove has 2, 3 or more grooves, but 2 grooves are most common. Twist drills can be used clamped on hand-held drilling tools, both manual and electric, or drilling, milling, turning and even machining centers. The high-speed steel twist drill material is high-speed steel (HSS).
Among the prior art, current high-speed steel twist drill can not assemble the use at the in-process that uses, and longer high-speed steel twist drill needs great toolbox to store, accomodates inconveniently, and portable not, the problem that above-mentioned appearance is solved to the urgent need for a high-speed steel twist drill now.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a high-speed steel twist drill to solve the problem that proposes in the above-mentioned background art, the utility model discloses rational in infrastructure, the composite erection of being convenient for, excellent in use effect.
In order to achieve the above purpose, the present invention is realized by the following technical solution: a high-speed steel twist drill comprises a drill bit, an assembling mechanism, a guide cutting edge and a drill handle, wherein the drill bit is arranged on the upper side of the guide cutting edge, the lower side of the guide cutting edge is connected with a drill handle, the joint of the guide cutting edge, the drill bit and the drill handle is provided with an assembling mechanism, the assembly mechanism comprises a stud, a mounting groove, a positioning block, a positioning groove, a connecting block, a fixing pin, a fixing hole, a connecting groove and a clamping spring pad, a stud is arranged on the lower end face of the drill bit, an installation groove is formed in the guide cutting edge, a positioning block is arranged on the lower end face of the stud, a positioning groove is arranged at the lower side in the mounting groove, a connecting block is arranged on the lower end surface of the guide cutting edge, the drill handle is internally provided with a connecting groove, the stud and the connecting block are internally provided with a fixing hole, the fixed orifices internally mounted has the fixed pin, the chucking bullet pad is installed with direction cutting edge junction to the drill bit.
Furthermore, an internal thread is formed in the annular side face of the mounting groove, the specification of the internal thread is matched with that of a stud, and the stud is connected with the guide cutting edge through threads.
Further, fixture blocks are installed on the lower end face of the connecting block, the fixture blocks are arranged in two groups, the specifications of the two groups of fixture blocks are the same, a clamping groove is formed in the lower end face inside the connecting groove, and the specifications of the clamping groove are matched with the specifications of the fixture blocks.
Furthermore, the specification of the fixing pin is matched with the specification of the fixing hole, and the specification of the positioning block is matched with the specification of the positioning groove.
Further, a buffer groove is formed in the inner portion of the upper end face of the guide cutting edge, and the width of the buffer groove is slightly larger than that of the clamping elastic pad.
Further, the stud is connected with the drill bit through a welding mode, the connecting block is connected with the guide cutting edge through a welding mode, and the positioning block is connected with the stud through a welding mode.
The utility model has the advantages that: the utility model discloses a high-speed steel twist drill, because of the utility model discloses added double-screw bolt, mounting groove, locating piece, constant head tank, connecting block, fixed pin, fixed orifices, spread groove and chucking bullet pad, this design can carry out convenient equipment to high-speed steel twist drill and use, has solved original high-speed steel twist drill and can not assemble the problem of use, has improved the utility model discloses an excellent in use effect.
The internal thread has been seted up because of annular side in the mounting groove, internal thread specification and double-screw bolt specification phase-match, the double-screw bolt is connected with the direction cutting edge through the screw thread, this design has improved the fastness of junction through threaded connection, the fixture block is installed to the terminal surface under the connecting block, the fixture block is provided with two sets ofly, and two sets of fixture block specifications are the same, the draw-in groove has been seted up to the inside lower terminal surface of spread groove, and draw-in groove specification and fixture block specification phase-match, this design is convenient for fix a position the installation to the connecting block through the fixture block, because of fixed pin specification and fixed orifices specification phase-match, locating piece specification and constant head tank specification phase-.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural view of a high-speed steel twist drill of the present invention;
fig. 2 is a schematic structural view of an assembling mechanism in a high-speed steel twist drill according to the present invention;
fig. 3 is a front sectional view of an assembling mechanism in a high-speed steel twist drill according to the present invention;
in the figure: 1-drill bit, 2-assembly mechanism, 3-guide cutting edge, 4-drill handle, 21-stud, 22-mounting groove, 23-positioning block, 24-positioning groove, 25-connecting block, 26-fixing pin, 27-fixing hole, 28-connecting groove, 29-clamping elastic pad, 251-clamping block and 291-buffer groove.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a high-speed steel twist drill, includes drill bit 1, equipment mechanism 2, direction cutting edge 3 and drillstock 4, and drill bit 1 is installed to 3 upsides of direction cutting edge, and 3 downside of direction cutting edge are connected with drillstock 4, and direction cutting edge 3 is provided with equipment mechanism 2 with drill bit 1 and drillstock 4 junction.
The internal thread has been seted up to annular side in mounting groove 22, the internal thread specification and the 21 specification phase-matches of double-screw bolt, double-screw bolt 21 is connected with direction cutting edge 3 through the screw thread, this design has improved the fastness of junction through threaded connection, fixture block 251 is installed to the terminal surface under connecting block 25, fixture block 251 is provided with two sets ofly, and two sets of fixture block 251 specifications are the same, the draw-in groove has been seted up to the terminal surface under the connecting groove 28 is inside, and draw-in groove specification and fixture block 251 specification phase-match, this design is convenient for fix a position the installation to connecting block 25 through fixture block 251, 26 specifications of fixed pin and 27 specification phase-matches of fixed orifices.
The inside buffer groove 291 that has seted up of guide cutting edge 3 upper end face, the buffer groove 291 width slightly is greater than chucking bullet pad 29 width, and this design is convenient for install chucking bullet pad 29 through buffer groove 291, and stud 21 is connected with drill bit 1 through the welding mode, and connecting block 25 is connected with guide cutting edge 3 through the welding mode, and locating piece 23 is connected with stud 21 through the welding mode, and this design has improved the steadiness of junction through the welding mode.
As an embodiment of the present invention: when the high-speed twist drill needs to be assembled and used, a worker firstly places the guide cutting edge 3 on the upper end surface of the drill shank 4, inserts the connecting block 25 into the connecting groove 28, so that the clamping block 251 is hermetically connected with the clamping groove, then inserts the fixing pin 26 into the fixing hole 27, connects and fixes the wire cutting edge and the drill shank 4 through the fixing pin 26, then inserts the stud 21 into the mounting groove 22, simultaneously rotates the drill bit 1, so that the stud 21 is tightly connected with the mounting groove 22 through threads, and enables the positioning block 23 to be clamped into the positioning groove 24, tightly connects the drill bit 1 with the guide cutting edge 3 so that the clamping elastic pad 29 is clamped in the buffer groove 291, the stud 21 and the internal threads of the mounting groove 22 cannot slide relatively through the elastic force of the clamping elastic pad 29, then inserts the fixing pin 26 into the fixing hole 27, and fixedly connects the drill bit 1 and the guide cutting edge 3 through the fixing, realized using the convenient equipment of high-speed fluted drill, improved the utility model discloses an excellent in use effect.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied 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 (6)
1. The utility model provides a high-speed steel twist drill, includes drill bit, equipment mechanism, direction cutting edge and drillstock, its characterized in that: a drill bit is installed on the upper side of the guide cutting edge, a drill handle is connected to the lower side of the guide cutting edge, and an assembling mechanism is arranged at the joint of the guide cutting edge, the drill bit and the drill handle;
the equipment mechanism includes double-screw bolt, mounting groove, locating piece, constant head tank, connecting block, fixed pin, fixed orifices, spread groove and chucking bullet pad, the double-screw bolt is installed to the terminal surface under the drill bit, the inside mounting groove of having seted up of direction cutting edge, the locating piece is installed to terminal surface under the double-screw bolt, the constant head tank has been seted up to the inside downside of mounting groove, the connecting block is installed to terminal surface under the direction cutting edge, the inside spread groove of having seted up of drill handle, the fixed orifices has been seted up to double-screw bolt and connecting block inside, fixed orifices internally mounted has the fixed pin.
2. A high speed steel twist drill according to claim 1, wherein: the inner annular side surface of the mounting groove is provided with an internal thread, the specification of the internal thread is matched with that of a stud, and the stud is connected with the guide cutting edge through threads.
3. A high speed steel twist drill according to claim 1, wherein: the fixture block is installed to the terminal surface under the connecting block, the fixture block is provided with two sets ofly, and two sets of fixture block specifications are the same, the inside lower extreme surface of spread groove has seted up the draw-in groove, and draw-in groove specification and fixture block specification phase-match.
4. A high speed steel twist drill according to claim 1, wherein: the specification of the fixing pin is matched with that of the fixing hole, and the specification of the positioning block is matched with that of the positioning groove.
5. A high speed steel twist drill according to claim 1, wherein: the inside dashpot that has seted up of direction cutting edge up end face, the dashpot width slightly is greater than chucking bullet pad width.
6. A high speed steel twist drill according to claim 1, wherein: the stud is connected with the drill bit through a welding mode, the connecting block is connected with the guide cutting edge through a welding mode, and the positioning block is connected with the stud through a welding mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687799.7U CN212191411U (en) | 2020-04-29 | 2020-04-29 | High-speed steel twist drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020687799.7U CN212191411U (en) | 2020-04-29 | 2020-04-29 | High-speed steel twist drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212191411U true CN212191411U (en) | 2020-12-22 |
Family
ID=73830898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020687799.7U Active CN212191411U (en) | 2020-04-29 | 2020-04-29 | High-speed steel twist drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212191411U (en) |
-
2020
- 2020-04-29 CN CN202020687799.7U patent/CN212191411U/en active Active
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