CN217253083U - Stepped drill capable of adjusting depth of stepped hole - Google Patents
Stepped drill capable of adjusting depth of stepped hole Download PDFInfo
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- CN217253083U CN217253083U CN202123227173.1U CN202123227173U CN217253083U CN 217253083 U CN217253083 U CN 217253083U CN 202123227173 U CN202123227173 U CN 202123227173U CN 217253083 U CN217253083 U CN 217253083U
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- milling cutter
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- spacing groove
- limiting groove
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Abstract
The utility model discloses a ladder of adjustable shoulder hole degree of depth bores, including milling cutter post, milling cutter base, flexible post and spliced pole. The beneficial effects of the utility model are that: the milling cutter column is of a stepped structure integrally, the side wall of the milling cutter column is provided with two chip removal grooves which are spirally arranged, and waste chips generated during milling of the stepped drill are quickly discharged through the spiral chip removal grooves; the bottom of the milling cutter base is provided with a first limiting groove in an inwards concave manner, the top end of the telescopic column is provided with a second limiting groove, the shapes of the first limiting groove and the second limiting groove are mostly identical, and the first limiting groove and the second limiting groove are in limit butt joint through a fixture block and the limiting groove, so that the milling cutter base and the telescopic column can be in limit butt joint quickly; the center department of fixture block runs through and is provided with the fixed orifices, and the center department of first spacing groove and second spacing groove all is provided with semi-circular butt joint groove, and the level runs through in the fixed orifices is provided with clamping screw, makes milling cutter base and flexible post can be fast torn open and the installation is fixed.
Description
Technical Field
The utility model relates to a ladder bores, specifically is a ladder bores of adjustable shoulder hole degree of depth, belongs to ladder and bores technical field.
Background
The step drill is also called a step drill or a pagoda drill, and is mainly used for drilling and processing thin steel plates within 3mm, one drill can replace a plurality of drills to be used, holes with different diameters can be processed according to needs, large holes can be processed at one time, the drill does not need to be replaced, positioning holes do not need to be drilled, and the like.
However, there are various problems in present step drill mostly, one of them, present step drill, its two, present step drill adopts integrated connection structure mostly, can't split promptly, the mechanism that mills that leads to the staff can't select suitable model as required is connected fixedly with the cutter arbor, there is certain limitation, its two, the last connecting rod piece of present step drill is mostly unable to stretch out and draw back, length is certain promptly, lead to the staff can't adjust the whole length of step drill as required when using, and then the degree of depth of unable regulation drilling.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a ladder of adjustable shoulder hole degree of depth bores just for the solution problem.
The utility model discloses a following technical scheme realizes above-mentioned purpose: a stepped drill of adjustable stepped bore depth comprising:
the milling mechanism is composed of a milling cutter column and a milling cutter base, and the milling cutter base is vertically welded and fixed at the bottom of the milling cutter column;
the cutter arbor, the vertical connection of cutter arbor is fixed in the bottom of milling the mechanism, the cutter arbor comprises flexible post, spliced pole, flexible column connection is fixed in the bottom of milling cutter base, the inside of spliced pole is provided with cylindrical cavity, flexible column connection is fixed in cylindrical cavity.
As a further aspect of the present invention: the milling cutter column is integrally of a stepped structure, and chip removing grooves are formed in the side wall of the milling cutter column, and the number of the chip removing grooves is two and the chip removing grooves are arranged in a spiral mode.
As a further aspect of the present invention: the bottom of milling cutter base is the indent formula and is provided with first spacing groove, and the top of flexible post is provided with the second spacing groove, and the shape of first spacing groove and second spacing groove is most all the same, and spacing joint has the fixture block in the inside cavity that just first spacing groove and second spacing groove constitute.
As a further aspect of the present invention: the center of the clamping block is provided with a fixing hole in a penetrating mode, the centers of the first limiting groove and the second limiting groove are provided with semicircular butt joint grooves, a fixing screw rod penetrates through the fixing hole horizontally, and a nut is screwed and locked on the fixing screw rod in a rotating mode.
As the utility model discloses further scheme again: be provided with the locating hole on the lateral wall of flexible post, the locating hole is the equidistance formula and is provided with five, and the lateral wall top of spliced pole is twisted soon and is connected with adjusting screw, and adjusting screw and locating hole twist soon and lock.
As a further aspect of the present invention: the bottom of the connecting column is vertically welded and fixed with a machine bed fixing rod, and a through hole penetrates through the center of the machine bed fixing rod.
The beneficial effects of the utility model are that:
1) the milling cutter column is integrally of a stepped structure, the side wall of the milling cutter column is provided with two chip removal grooves which are spirally arranged, and waste chips generated during milling of the stepped drill are quickly discharged through the spiral chip removal grooves.
2) The bottom of milling cutter base is the indent formula and is provided with first spacing groove, and the top of flexible post is provided with the second spacing groove, and the most equal identical of shape in first spacing groove and second spacing groove, and spacing joint has the fixture block in the inside cavity that first spacing groove and second spacing groove constitute, through the spacing butt joint of fixture block and spacing groove, and then makes milling cutter base and flexible post spacing butt joint fast.
3) The center of the clamping block is provided with a fixing hole in a penetrating mode, the centers of the first limiting groove and the second limiting groove are provided with semicircular butt joint grooves, a fixing screw rod penetrates through the fixing hole horizontally, and a nut is screwed and locked on the fixing screw rod in a rotating mode, so that the milling cutter base and the telescopic column can be rapidly disassembled, installed and fixed.
4) The side wall of the telescopic column is provided with five positioning holes which are arranged in an equidistant mode, the top end of the side wall of the connecting column is connected with an adjusting screw in a screwing mode, the adjusting screw and the positioning holes are locked in a screwing mode, the whole length between the telescopic column and the connecting column can be adjusted by a worker as required, the milling depth of the stepped drill is adjusted, the bottom of the connecting column is vertically welded and fixed with a machine tool fixing rod, a through hole is arranged in the center of the machine tool fixing rod in a penetrating mode, and the connecting column can be quickly installed and fixed with a machine tool.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the split structure of the milling cutter base and the telescopic column of the present invention;
fig. 3 is the overall structure schematic diagram of the telescopic column of the present invention.
In the figure: 1. milling cutter post, 2, chip groove, 3, milling cutter base, 4, first spacing groove, 5, fixing screw, 6, nut, 7, fixture block, 8, fixed orifices, 9, second spacing groove, 10, butt joint groove, 11, flexible post, 12, spliced pole, 13, adjusting screw and 14, locating hole.
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.
Example one
Referring to fig. 1 to 3, a step drill with adjustable step hole depth includes:
the milling mechanism is composed of a milling cutter column 1 and a milling cutter base 3, and the milling cutter base 3 is vertically welded and fixed at the bottom of the milling cutter column 1;
the cutter arbor, the vertical connection of cutter arbor is fixed in the bottom of milling the mechanism, the cutter arbor comprises flexible post 11, spliced pole 12, the bottom at milling cutter base 3 is fixed in the connection of flexible post 11, the inside of spliced pole 12 is provided with cylindrical cavity, flexible post 11 is connected and is fixed in cylindrical cavity.
The embodiment of the utility model provides an in, milling cutter post 1 wholly is the stair structure to be provided with the chip groove 2 on milling cutter post 1's lateral wall, chip groove 2 is total two and is the heliciform setting, and the sweeps that produce when boring milling this ladder through heliciform chip groove 2 discharge fast.
The embodiment of the utility model provides an in, milling cutter base 3's bottom is the indent formula and is provided with first spacing groove 4, and flexible post 11's top is provided with second spacing groove 9, and the most all identical of shape of first spacing groove 4 and second spacing groove 9 has fixture block 7, through fixture block 7 and the spacing butt joint of spacing groove, and then makes milling cutter base 3 and flexible post 11 can be quick spacing butt joint in the spacing joint in the inside cavity that first spacing groove 4 and second spacing groove 9 constitute.
The embodiment of the utility model provides an in, the center department of fixture block 7 runs through and is provided with fixed orifices 8, and the center department of first spacing groove 4 and second spacing groove 9 all is provided with semi-circular butt joint groove 10, and the level runs through and is provided with clamping screw 5 in the fixed orifices 8 to it has nut 6 to twist the locking at clamping screw 5 top spin, and it is fixed with the installation to make milling cutter base 3 and flexible post 11 can quick split.
Example two
Referring to fig. 1 to 3, a step drill with adjustable step hole depth includes:
the milling mechanism is composed of a milling cutter column 1 and a milling cutter base 3, and the milling cutter base 3 is vertically welded and fixed at the bottom of the milling cutter column 1;
the cutter arbor, the vertical connection of cutter arbor is fixed in the bottom of milling the mechanism, the cutter arbor comprises flexible post 11, spliced pole 12, the bottom at milling cutter base 3 is fixed in the connection of flexible post 11, the inside of spliced pole 12 is provided with cylindrical cavity, flexible post 11 is connected and is fixed in cylindrical cavity.
In the embodiment of the present invention, the positioning holes 14 are provided on the side wall of the telescopic column 11, the positioning holes 14 are provided with five in an equidistant manner, the adjusting screws 13 are screwed and connected to the top end of the side wall of the connecting column 12, and the adjusting screws 13 and the positioning holes 14 are screwed and locked, so that the worker can adjust the overall length between the telescopic column 11 and the connecting column 12 as required, and further adjust the milling depth of the stepped drill.
The embodiment of the utility model provides an in, the vertical welded fastening in bottom of spliced pole 12 has the lathe dead lever to center department at the dead lever of adding the bed runs through and is provided with the through-hole, makes spliced pole 12 can install fixedly with the lathe fast.
The working principle is as follows: when using this ladder to bore, earlier with fixture block 7 slip joint in the cavity that first spacing groove 4, second spacing groove 9 constitute, then pass fixing screw 5 fixed orifices 8 to twist soon through nut 6 and twist the locking, install fixedly with the lathe dead lever of spliced pole 12 through its bottom and lathe fast again, when using, the staff can be through twisting whole length between adjusting screw 13 regulation flexible post 11, spliced pole 12 soon, and then the milling depth that this ladder bored can of control.
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 (6)
1. The utility model provides a ladder of adjustable shoulder hole degree of depth bores which characterized in that: the method comprises the following steps:
the milling mechanism is composed of a milling cutter column (1) and a milling cutter base (3), and the milling cutter base (3) is vertically welded and fixed to the bottom of the milling cutter column (1);
the cutter arbor, the vertical connection of cutter arbor is fixed in the bottom of milling the mechanism, the cutter arbor comprises flexible post (11), spliced pole (12), flexible post (11) are connected and are fixed in the bottom of milling cutter base (3), the inside of spliced pole (12) is provided with cylindrical cavity, flexible post (11) are connected and are fixed in cylindrical cavity.
2. The step drill of claim 1, wherein the step drill is adapted to adjust a depth of a step hole: the milling cutter column (1) is integrally of a stepped structure, the side wall of the milling cutter column (1) is provided with two chip removing grooves (2), and the chip removing grooves (2) are spirally arranged.
3. The step drill of claim 1, wherein the step drill is adapted to adjust a depth of a step hole: the bottom of milling cutter base (3) is indent formula and is provided with first spacing groove (4), and the top of flexible post (11) is provided with second spacing groove (9), and the shape of first spacing groove (4) and second spacing groove (9) is most all the same, and spacing joint has fixture block (7) in the inside cavity that first spacing groove (4) and second spacing groove (9) constitute.
4. The step drill of claim 3, wherein the step drill is adapted to adjust the depth of the step hole by: the center of the clamping block (7) is provided with a fixing hole (8) in a penetrating mode, the centers of the first limiting groove (4) and the second limiting groove (9) are provided with semicircular butt joint grooves (10), the fixing hole (8) is horizontally provided with a fixing screw rod (5) in a penetrating mode, and the fixing screw rod (5) is screwed and locked with a nut (6).
5. The stepped drill with adjustable stepped hole depth as set forth in claim 1, wherein: be provided with locating hole (14) on the lateral wall of flexible post (11), locating hole (14) are the equidistance formula and are provided with five, and the lateral wall top of spliced pole (12) is twisted soon and is connected with adjusting screw (13), and adjusting screw (13) and locating hole (14) are twisted soon and are locked.
6. The stepped drill with adjustable stepped hole depth as set forth in claim 1, wherein: the bottom of the connecting column (12) is vertically welded and fixed with a machine bed fixing rod, and a through hole penetrates through the center of the machine bed fixing rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227173.1U CN217253083U (en) | 2021-12-21 | 2021-12-21 | Stepped drill capable of adjusting depth of stepped hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123227173.1U CN217253083U (en) | 2021-12-21 | 2021-12-21 | Stepped drill capable of adjusting depth of stepped hole |
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| Publication Number | Publication Date |
|---|---|
| CN217253083U true CN217253083U (en) | 2022-08-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123227173.1U Active CN217253083U (en) | 2021-12-21 | 2021-12-21 | Stepped drill capable of adjusting depth of stepped hole |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773207A (en) * | 2024-02-27 | 2024-03-29 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
-
2021
- 2021-12-21 CN CN202123227173.1U patent/CN217253083U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117773207A (en) * | 2024-02-27 | 2024-03-29 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
| CN117773207B (en) * | 2024-02-27 | 2024-05-07 | 常州市卓玛工具有限公司 | Cemented carbide integral stepped conicity vertical milling cutter disc for numerical control machine tool |
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