CN212217196U - Symmetrical inclined plane positioning replaceable drill tip - Google Patents
Symmetrical inclined plane positioning replaceable drill tip Download PDFInfo
- Publication number
- CN212217196U CN212217196U CN202021823209.5U CN202021823209U CN212217196U CN 212217196 U CN212217196 U CN 212217196U CN 202021823209 U CN202021823209 U CN 202021823209U CN 212217196 U CN212217196 U CN 212217196U
- Authority
- CN
- China
- Prior art keywords
- drill
- edge
- drill tip
- cutting edge
- drill point
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Drilling Tools (AREA)
Abstract
The utility model relates to a symmetrical inclined plane location interchangeable drill point, be 360 central symmetry's lamellar structure with axis CL, the lower extreme is provided with drill point first location inclined plane and drill point second location inclined plane, drill point first installation face, second installation face and adjacent drill point first location inclined plane or drill point second location inclined plane are the tilt state, drill point first installation face and second installation face below are provided with first spacing face and second spacing face, be the forked tail structure of width under the narrow, first cutting edge and second cutting edge begin to extend to the maximum diameter department in both sides from axis CL with the top of interchangeable drill point; the left side and the right side are provided with a first edge and a second edge; a first chip removal groove and a second chip removal groove of the drill tip are arranged adjacent to the first cutting edge and the second cutting edge and take the first edge and the second edge as edges; the middle parts of the first chip groove and the second chip groove of the drill tip are respectively provided with a first fastening through hole and a second fastening through hole, and the replaceable drill tip is stably fixed on the drill rod.
Description
Technical Field
The utility model relates to a symmetry inclined plane location interchangeable drill point belongs to cutting tool technical field.
Background
At present, in a hole machining process, a hard alloy drill bit is widely adopted, but in large-diameter drilling machining, the whole hard alloy drill bit is expensive in manufacturing cost; especially in high-speed and high-efficiency drilling, the manufacturing cost of the internal-cooling type integral hard alloy drill bit is higher, and the drill bit is an inevitable technical path for low-cost processing. The prior disclosed technical scheme has the following defects:
for example: PCT/IL2005/000999 discloses a "cutting tool, cutting head and cutting tool assembly" which, when applied to a drilling tool, presents the problem of the receiving portion of the shank being too thin and the clamping force being reduced after multiple changes of the drill tip, which in turn leads to bit failure.
The Chinese patent with the patent application number of 201710517688.4 discloses a high-stability self-centering drill bit, wherein the drill bit is positioned by a pin and is installed on a cutter bar through rotary locking. The mounting mode is accurate in positioning, but the biggest problem is that the mounting part of the cutter bar is single-thin in structure, fatigue is easy to occur after multiple clamping, and the situation that the clamping force is reduced to further cause the failure of the drill bit with the replaceable drill point exists.
Chinese patent No. 201510252190.0 discloses a drill bit with a replaceable cutter head structure, which is positioned by a pin and fastened by a screw on a lateral side surface of the pin; there is also a problem that the structure of the blade holder mounting portion is thin.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the defects existing in the prior art and providing a replaceable drill point for positioning a symmetrical inclined plane.
The purpose of the utility model is realized through the following technical scheme:
the symmetrical inclined plane positioning replaceable drill tip is characterized in that: the replaceable drill point is of a sheet structure with 360-degree central symmetry of an axis CL, a first drill point positioning inclined surface and a second drill point positioning inclined surface are arranged at the lower end of the replaceable drill point, the first drill point mounting surface and the second drill point mounting surface are inclined with the adjacent first drill point positioning inclined surface or the adjacent second drill point positioning inclined surface, and the first drill point positioning inclined surface and the second drill point positioning inclined surface are matched with the first drill rod positioning inclined surface and the second drill rod positioning inclined surface, so that the replaceable drill point and the drill rod are coaxial with each other by the common axis CL; the lower parts of the first mounting surface and the second mounting surface of the drill point which are adjacent to each other are provided with a sheet structure of a first limiting surface and a second limiting surface, and the first limiting surface and the second limiting surface form a dovetail structure with a narrow top and a wide bottom; the replaceable drill point is arranged on the center of the central axis CL, and is provided with a first cutting edge and a second cutting edge which are distributed in a 360-degree central symmetry mode according to the central axis CL; the left side and the right side are provided with a first edge and a second edge, the first edge and the second edge are parts of the outermost edge imaginary cylinder of the first cutting edge and the second cutting edge, have width and are in a spiral shape; the first chip groove and the second chip groove are used as the first cutting edge and the second cutting edge on the replaceable drill tip, and the first cutting edge and the second cutting edge extend along the first edge and the second edge in a spiral mode by taking the axis CL as the reference; and a first fastening through hole and a second fastening through hole are respectively formed in the middle parts of the first chip removal groove and the second chip removal groove of the drill tip.
Further, the replaceable drill point is positioned by the symmetrical inclined planes, wherein the first positioning inclined plane of the drill point and the second positioning inclined plane of the drill point are structurally symmetrical to the center of the common axis CL and are arranged in a space V shape, and the space included angle is 100-140 degrees.
Further, the replaceable drill point is positioned by the symmetrical inclined planes, wherein the first mounting surface and the second mounting surface of the drill point are inclined with the adjacent first positioning inclined plane or the adjacent second positioning inclined plane of the drill point, and the included angle is 90-100 degrees.
Further, the replaceable drill point is positioned on the symmetrical inclined plane, wherein the first limiting surface and the second limiting surface form a dovetail structure with a narrow top and a wide bottom, and the dovetail included angle is 5-20 degrees.
Further, the above symmetrical bevel positions the replaceable drill tip, wherein the first cutting edge and the second cutting edge are in the shape of a straight line, a circular arc or a space curve adapted to the cutting action.
Further, the replaceable drill tip is positioned on the symmetrical inclined plane, wherein a spiral angle is formed between the tangent line of the outermost edge of the first edge and the tangent line of the outermost edge of the second edge and the axis CL, and the spiral angle is 15-35 degrees.
Further, the replaceable drill point is positioned on the symmetrical inclined plane, wherein the width of the first edge and the width of the second edge are 0.05-0.1 times of the diameter of the replaceable drill point.
Further, the replaceable drill tip is positioned on the symmetrical inclined plane, wherein the distance between the first edge and the second edge in the direction of the axis CL is the edge length, and the edge length is 0.3-1.0 time of the diameter of the replaceable drill tip.
Compared with the prior art, the utility model have apparent advantage and beneficial effect, the concrete aspect that embodies is in following:
the lower part of the replaceable drill point is provided with symmetrical inclined positioning surfaces, the upper part of the drill rod is provided with an installation structure, and grooves of the installation structure are provided with drill rod positioning inclined surfaces with the same angle; the replaceable drill tip and the drill rod have the same space angle and can be matched with each other, after the replaceable drill tip and the drill rod are installed, the replaceable drill tip and the drill rod share the same common axis CL, and the replaceable drill tip is stably fixed on the drill rod;
the middle parts of a first chip groove with a replaceable drill tip and a second chip groove with the replaceable drill tip are respectively provided with a first fastening through hole and a second fastening through hole; during installation, the replaceable drill point is stably fixed on the drill rod through locking of the two fastening screws and abutting of the two limiting screws, and the replaceable drill point is firmly connected and integrated;
the replaceable drill point and the drill rod can be installed together through two fastening screws to form a symmetrical inclined plane positioning replaceable drill bit for performing drilling processing, so that the replaceable drill point can be conveniently replaced under the condition that a cutter bar is not detached in use;
fourthly, the cutting is carried out according to the CCW rotating direction during the work, and the cutting is stable; the material grades and the geometric characteristics of different replaceable drill points can be selected according to the material of the workpiece; the replaceable drill point has the characteristics of simple structure, accurate positioning, high mechanical strength and the like, is reliable to install, can obviously prolong the service life of the replaceable drill point, and is low in cost and good in economical efficiency.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1: a front view of the replaceable drill tip;
FIG. 2: side view of the interchangeable drill tip;
FIG. 3: the assembly of the replaceable drill point and the drill rod is a three-dimensional schematic diagram;
FIG. 4: a perspective view of the drill rod;
FIG. 5: assembling partial views on the front surfaces of the replaceable drill tip and the drill rod;
FIG. 6: the side surface of the drill point and the drill rod can be changed to assemble a partial view;
FIG. 7: FIG. 5 is an X-X sectional view;
FIG. 8: FIG. 6 is a cross-sectional view taken at T-T;
FIG. 9: a drill rod schematic with cooling channels;
FIG. 10: a partial schematic view of a drill rod;
FIG. 11: the installation and application of the replaceable drill point and the drill rod are shown schematically.
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. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
As shown in fig. 1 to 3, the replaceable drill tip 200 is a sheet-shaped structure with an axis CL in central symmetry of 360 degrees, the lower end of the replaceable drill tip is provided with a first drill tip positioning inclined surface 205A and a second drill tip positioning inclined surface 205B, the first drill tip positioning inclined surface 205A and the second drill tip positioning inclined surface 205B are structurally symmetrical to the center of the common axis CL and arranged in a space V shape, the space included angle is 100 to 140 degrees, the first drill tip mounting surface 207A and the second drill tip mounting surface 207B are inclined with the adjacent first drill tip positioning inclined surface 205A or the second drill tip positioning inclined surface 205B, the included angle is 90 to 100 degrees, and the first drill tip positioning inclined surface 205A and the second drill tip positioning inclined surface 205B are matched with the first drill rod positioning inclined surface 110A and the second drill rod positioning inclined surface 110B, so that the replaceable drill tip 200 is coaxial with the drill rod 100 on the common axis CL;
the lower parts of the first drill point mounting surface 207A and the second drill point mounting surface 207B which are adjacent to each other are provided with a sheet structure of a first limiting surface 204A and a second limiting surface 204B, the first limiting surface 204A and the second limiting surface 204B form a dovetail structure with a narrow top and a wide bottom, and the dovetail included angle is 5-20 degrees; when the replaceable drill bit is installed, the replaceable drill bit is screwed into the drill rod through the first limit screw 500A and the second limit screw 500B and is abutted to the first limit surface 204B and the second limit surface 204A, so that the replaceable drill bit is prevented from loosening from the drill rod;
the replaceable drill point 200 is characterized in that the replaceable drill point is centrally and symmetrically distributed in 360 degrees according to an axis CL and is provided with a first cutting edge 202A and a second cutting edge 202B, the first cutting edge 202A and the second cutting edge 202B are in a linear shape, an arc shape or a space curve shape suitable for cutting, and the first cutting edge 202A and the second cutting edge 202B extend from the central axis CL to the maximum diameter positions on two sides at the uppermost end of the replaceable drill point 200; a first edge 201A and a second edge 201B are arranged on the left side and the right side, and the first edge 201A and the second edge 201B are parts of an imaginary cylinder at the outermost edges of the first cutting edge 202A and the second cutting edge 202B, have a width and are in a spiral shape;
the outermost edge tangents of the first edge 201A and the second edge 201B form a spiral angle 220 with the axis CL, the spiral angle 220 ranges from 15 degrees to 35 degrees, and the width of the first edge 201A and the width of the second edge 201B are 0.05-0.1 times of the diameter of the replaceable drill tip 200. The distance between the first edge 201A and the second edge 201B in the direction of the axis CL is the edge length, and the edge length is 0.3-1.0 time of the diameter of the replaceable drill tip 200;
adjacent to the first cutting edge 202A and the second cutting edge 202B, with the first edge 201A and the second edge 201B as edges, there are provided a drill tip first chip flute 203A and a drill tip second chip flute 203B, the drill tip first chip flute 203A and the drill tip second chip flute 203B being natural extensions of the first cutting edge 202A and the second cutting edge 202B on the replaceable drill tip 200 in a spiral manner and along the first edge 201A and the second edge 201B with the axis CL as a reference; a first fastening through hole 206A and a second fastening through hole 206B are respectively arranged in the middle of the first drill tip chip groove 203A and the second drill tip chip groove 203B;
the first fastening through hole 206A and the second fastening through hole 206B are perpendicular to the drill point first mounting surface 207A and the drill point second mounting surface 207B, respectively; during installation, the replaceable drill tip 200 is stably fixed on the drill rod 100 through the first fastening screw 400A and the second fastening screw 400B, and the replaceable drill tip is firmly connected and integrated;
the lower part of the replaceable drill tip 200 is provided with a positioning structure, namely a first drill tip positioning inclined surface 205A and a second drill tip positioning inclined surface 205B, and the first drill tip positioning inclined surface 205A and the second drill tip positioning inclined surface 205B have the same spatial angle with the first positioning inclined surface 110A and the second positioning inclined surface 110B of the installation structure 102 of the drill rod 100 and can be matched with each other; after installation, the interchangeable drill tip 200 and the drill rod 100 share a common axis CL, ensuring that in operation the interchangeable drill tip 200 and the drill rod 100 rotate as a unit in the CCW direction about the common axis CL, as shown in fig. 11.
The first mounting surface 207A and the second mounting surface 207B of the replaceable drill point are inclined by 90-100 degrees with the adjacent first positioning inclined surface 205A and the second positioning inclined surface 205B of the drill point.
As shown in fig. 4 to 8, the drill rod 100 is an assembly formed by a drill body 109, a protection cone 107 and a cylindrical straight shank 106 which are coaxial with a common axis CL, and is provided with a spiral drill rod first chip removal groove 101A and a spiral drill rod second chip removal groove 101B which are symmetrical about the axis CL and used for discharging chips formed by drilling, the drill rod first chip removal groove 101A and the drill rod second chip removal groove 101B have a section shape on a T-T section perpendicular to the axis CL, the section shape is formed by sequentially connecting four line segments, a starting segment and an ending segment are a first straight line segment Z1 and a second straight line segment Z2, an intermediate segment is a first circular arc segment R1 and a second circular arc segment R2, and different circular arc radiuses and splicing angles can be selected according to different sizes of the drill rod 100; the first chip flute 101A and the second chip flute 101B can be regarded as the extension of the first chip flute 203A and the second chip flute 203B of the mounted replaceable drill tip 200 along the axis CL on the drill rod 100, and the lengths can be adjusted according to the drilling depth;
the upper end of the drill rod is provided with a mounting structure 102 for mounting the replaceable drill tip 200 and mounting the replaceable drill tip 200, the mounting structure 102 is a semi-closed groove 115 which is centrosymmetric about a common axis CL, and the lower part of the groove 115 is provided with a first drill rod positioning inclined surface 110A and a second drill rod positioning inclined surface 110B which are used as positioning surfaces; the first positioning inclined surface 110A and the second positioning inclined surface 110B of the drill rod are structurally symmetrical with the common axis CL in a central mode and are arranged in a space V shape, the V-shaped included angle ranges from 100 degrees to 140 degrees, and when the replaceable drill point 200 is installed, the first positioning inclined surface 205A and the second positioning inclined surface 205B of the drill point of the replaceable drill point 200 are matched with each other respectively, so that the replaceable drill point 200 and the drill rod 100 are coaxial with each other through the common axis CL.
A first mounting screw hole 103A and a second mounting screw hole 103B are formed in the solid part on the two sides of the groove 115 above the first positioning inclined plane 110A and the second positioning inclined plane 110B of the drill rod; during installation, the drill rod 100 and the replaceable drill tip 200 are firmly combined into a whole by locking the first fastening screw 400A and the second fastening screw 400B;
a first limit screw hole 104A and a second limit screw hole 104B are respectively arranged below the first installation screw hole 103A and the second installation screw hole 103B, and when the drill rod 100 is installed, the first limit screw 500A and the second limit screw 500B are screwed into the first limit screw hole 104A and the second limit screw hole 104B of the drill rod 100 and abut against the first limit surface 204B and the second limit surface 204A to prevent the replaceable drill tip 200 from loosening;
the drill rod 100 is used for mounting the replaceable drill tip 200 and after mounting, is combined into a symmetrical inclined plane positioning replaceable drill bit for performing drilling processing.
As shown in fig. 9, the cooling channels are arranged symmetrically with respect to the axis CL by 360 ° and have at least a first cooling channel 120A and a second cooling channel 120B, the first cooling channel 120A and the second cooling channel 120B communicating with the main cooling channel 105; when machining, the replaceable drill tip 200 is used for supplying cooling liquid, when the cooling channels are arranged, the space arrangement of the first cooling channel 120A and the second cooling channel 120B is fully considered, interference with the first installation screw hole 103A and the second installation screw hole 103B does not exist, and the problem of leakage of the cooling liquid does not exist.
As shown in fig. 10, the cylindrical shank 106 at the lower end of the drill rod 100 is provided with internal threads 107 for connecting to a coolant circuit for supplying coolant to the interchangeable drill bit during drilling; the cylindrical straight shank 106 is provided with a side pressure surface 108, so that the replaceable drill bit for positioning the symmetrical inclined surface can be conveniently installed on a lathe.
In conclusion, the lower part of the replaceable drill tip is provided with a symmetrical inclined positioning surface, the upper part of the drill rod is provided with an installation structure, and the grooves of the installation structure are provided with drill rod positioning inclined surfaces with the same angle; the changeable drill point and the drill rod are the same in space angle and can be matched, after the changeable drill point and the drill rod are installed, the changeable drill point and the drill rod share a common axis CL, and the changeable drill point is stably fixed on the drill rod.
The middle parts of a first chip groove with a replaceable drill tip and a second chip groove with the replaceable drill tip are respectively provided with a first fastening through hole and a second fastening through hole; during installation, the replaceable drill point is stably fixed on the drill rod through locking of the two fastening screws, and the replaceable drill point is firmly connected and integrated;
the replaceable drill point and the drill rod can be mounted together through two fastening screws to form a symmetrical inclined plane positioning replaceable drill bit for executing drilling processing, and the replaceable drill point is convenient to replace under the condition that the cutter bar is not detached in use.
The cutting is carried out according to the CCW rotating direction during working, and the cutting is stable; the material grades and the geometric characteristics of different replaceable drill points can be selected according to the material of the workpiece; the replaceable drill point has the characteristics of simple structure, accurate positioning, high mechanical strength and the like, is reliable to install, can obviously prolong the service life of the replaceable drill point, and is low in cost and good in economical efficiency.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Claims (8)
1. Symmetrical inclined plane location interchangeable drill point, its characterized in that: the drill bit is a sheet structure which is centrosymmetric in 360 degrees around an axis CL, a first drill tip positioning inclined surface (205A) and a second drill tip positioning inclined surface (205B) are arranged at the lower end of the drill bit, and the first drill tip mounting surface (207A) and the second drill tip mounting surface (207B) are inclined with the adjacent first drill tip positioning inclined surface (205A) or the adjacent second drill tip positioning inclined surface (205B); the lower parts of the first mounting surface (207A) and the second mounting surface (207B) of the drill point adjacent to each other are provided with a sheet structure of a first limiting surface (204A) and a second limiting surface (204B), and the first limiting surface (204A) and the second limiting surface (204B) form a dovetail structure with a narrow top and a wide bottom; the replaceable drill point is arranged on the drill rod and is centrally and symmetrically distributed in 360 degrees according to an axis CL, a first cutting edge (202A) and a second cutting edge (202B) are arranged, and the first cutting edge (202A) and the second cutting edge (202B) extend from the central axis CL to the maximum diameter positions on two sides by the uppermost end of the replaceable drill point (200); a first edge (201A) and a second edge (201B) are arranged on the left side and the right side, the first edge (201A) and the second edge (201B) are parts of an imaginary cylinder of the outermost edges of the first cutting edge (202A) and the second cutting edge (202B), have a width and are spiral; a first chip removal groove (203A) and a second chip removal groove (203B) which are sharp are arranged adjacent to the first cutting edge (202A) and the second cutting edge (202B) and take the first edge (201A) and the second edge (201B) as edges, and the first chip removal groove (203A) and the second chip removal groove (203B) which are sharp are natural extensions of the first cutting edge (202A) and the second cutting edge (202B) on the replaceable drill tip (200) in a spiral mode by taking the axis CL as a reference and along the first edge (201A) and the second edge (201B); and a first fastening through hole (206A) and a second fastening through hole (206B) are respectively arranged in the middle of the first drill point chip removal groove (203A) and the second drill point chip removal groove (203B).
2. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the first positioning inclined plane (205A) and the second positioning inclined plane (205B) of the drill point are structurally symmetrical to the center of a common axis CL and are arranged in a space V shape, and the space included angle is 100-140 degrees.
3. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the first mounting surface (207A) and the second mounting surface (207B) of the drill point are inclined with the adjacent first positioning inclined surface (205A) or the second positioning inclined surface (205B) of the drill point, and the included angle is 90-100 degrees.
4. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the first limiting surface (204A) and the second limiting surface (204B) of the drill point form a dovetail structure with a narrow top and a wide bottom, and the dovetail included angle is 5-20 degrees.
5. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the first cutting edge (202A) and the second cutting edge (202B) are linear, circular, or spatially curvilinear in shape to accommodate the cutting action.
6. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the outermost tangent of the first edge (201A) and the second edge (201B) forms a helix angle (220) with the axis CL, and the helix angle (220) is 15-35 degrees.
7. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the width of the first edge (201A) and the width of the second edge (201B) are 0.05-0.1 times of the diameter of the replaceable drill point (200).
8. A symmetrical bevel positioning interchangeable drill tip as in claim 1 wherein: the distance between the first edge (201A) and the second edge (201B) in the direction of the axis CL is the edge length which is 0.3-1.0 times of the diameter of the replaceable drill tip (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823209.5U CN212217196U (en) | 2020-08-27 | 2020-08-27 | Symmetrical inclined plane positioning replaceable drill tip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021823209.5U CN212217196U (en) | 2020-08-27 | 2020-08-27 | Symmetrical inclined plane positioning replaceable drill tip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212217196U true CN212217196U (en) | 2020-12-25 |
Family
ID=73910349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021823209.5U Active CN212217196U (en) | 2020-08-27 | 2020-08-27 | Symmetrical inclined plane positioning replaceable drill tip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212217196U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889760A (en) * | 2020-08-27 | 2020-11-06 | 苏州沃钛工业技术有限公司 | Symmetrical inclined plane positioning replaceable drill tip |
-
2020
- 2020-08-27 CN CN202021823209.5U patent/CN212217196U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111889760A (en) * | 2020-08-27 | 2020-11-06 | 苏州沃钛工业技术有限公司 | Symmetrical inclined plane positioning replaceable drill tip |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111889759A (en) | Symmetrical inclined plane positioning replaceable drill bit | |
| CN111889760A (en) | Symmetrical inclined plane positioning replaceable drill tip | |
| CN110732709B (en) | Double-sided limiting oblique-penetrating locking replaceable drill tip | |
| CN112809057B (en) | Single-hole limiting oblique-penetrating locking bit-changing drill | |
| CN110732708B (en) | Double-sided limiting oblique-penetrating locking bit-changing drill | |
| CN212217196U (en) | Symmetrical inclined plane positioning replaceable drill tip | |
| CN213104684U (en) | Symmetrical inclined plane positioning replaceable drill rod | |
| WO2009128183A1 (en) | Deep-hole boring drill head | |
| CN211071949U (en) | Double-sided limiting inclined-penetrating locking head-changing drill | |
| CN214977981U (en) | Single-hole limiting inclined-penetrating locking head-changing drill | |
| CN212664985U (en) | Symmetrical inclined plane positioning replaceable drill bit | |
| CN211071950U (en) | Two-sided spacing drilling rod of interchangeable point of drilling of passing locking to one side | |
| CN210877727U (en) | Double-side limiting obliquely-penetrating locking replaceable drill point | |
| CN111889761A (en) | Symmetrical inclined plane positioning replaceable drill rod | |
| CN214602133U (en) | V-shaped positioning single-hole limiting replaceable milling blade | |
| CN214602134U (en) | V-shaped positioning single-hole limiting replaceable milling cutter | |
| CN112809055A (en) | Single-hole limiting replaceable drill tip | |
| CN214417735U (en) | Single-hole limiting inclined-penetrating locking head-changing drill rod | |
| CN110732710A (en) | double-sided limiting obliquely-penetrating locking replaceable drill point drill rod | |
| CN208961069U (en) | It is a kind of to bore high-intensitive, high hardness alloy material essence hole fluted drill | |
| CN214417734U (en) | Single-hole limiting replaceable drill tip | |
| CN208787669U (en) | A kind of combined type Stepped Reamers | |
| CN112809056A (en) | Single-hole limiting inclined-penetrating locking head-changing drill rod | |
| CN112828369A (en) | V-shaped positioning single-hole limiting replaceable milling cutter | |
| CN221134314U (en) | High-speed reamer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |