CN218983295U - Integral positive and negative chamfer of carbide bores - Google Patents
Integral positive and negative chamfer of carbide bores Download PDFInfo
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- CN218983295U CN218983295U CN202223194072.3U CN202223194072U CN218983295U CN 218983295 U CN218983295 U CN 218983295U CN 202223194072 U CN202223194072 U CN 202223194072U CN 218983295 U CN218983295 U CN 218983295U
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- chamfer
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The utility model discloses a hard alloy integral type positive and negative chamfer drill which comprises a milling cutter bar, a positive chamfer angle and a negative chamfer angle. The beneficial effects of the utility model are as follows: through setting up positive chamfer, reverse chamfer in this chamfer bores, and then make the staff can accomplish the operation of forward chamfer, reverse chamfer simultaneously when once milling through milling the cutter arbor, improve milling efficiency, and drive guide bar screw thread linkage through vertical adjusting screw's rotation, and then make the height of milling the cutter arbor can be adjusted fast, and make supporting seat screw thread linkage through angle adjusting screw, and then make it rotate on the base, and then make the whole angle of milling the cutter arbor can be adjusted fast, the one end of milling the cutter arbor in this chamfer bores is fixed with the fixed plate, and be provided with the through-hole in its four corners department, be provided with the screw in the through-hole, and the screw is revolved to twist and is locked in the screw that sets up on the linkage seat lateral wall, make the staff can be with the milling cutter arbor of appropriate model and the quick connection of linkage seat or dismantle.
Description
Technical Field
The utility model relates to a chamfer drill, in particular to a hard alloy integral type positive and negative chamfer drill, and belongs to the technical field of chamfer drills.
Background
The chamfer drill is a tool for machining a countersunk head pit and chamfering a chamfer angle of a screw on a workpiece with a chamfer angle of 120 degrees and a chamfer angle of 60 degrees, 52 degrees, 100 degrees and 110 degrees, which are assembled on a milling machine, a drilling machine, a machining center, an electric hand drill, a chamfering machine and other machine tools, belongs to an end mill, has a wide application range, is suitable for chamfering common machining parts, and is more suitable for chamfering and deburring machining countersunk head pits and countersinks of precise difficult-to-chamfer machining parts.
However, in the conventional chamfering drill, for example, in a positive and negative chamfering drill disclosed in the patent number CN216176924U, although a chamfering process is added to the drill bit to form a reverse chamfering structure and a positive chamfering structure, so that a cutter can achieve the machining effect of three kinds of cutters, a certain degree of movement is required to be performed on a workpiece in the process of machining the workpiece by a chamfering milling cutter, and the conventional chamfering drill and a connecting structure thereof are not provided with a displacement structure in many cases, if the chamfering drill is required to be moved, corresponding equipment is required to be additionally assembled, the operation is complicated, and unnecessary economic burden is generated.
Disclosure of Invention
The technical scheme of the utility model aims at solving the technical problem that the prior art is too single, provides a solution which is obviously different from the prior art, and particularly aims at solving the defects in the prior art, and provides a hard alloy integral type positive and negative chamfer drill.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a cemented carbide monolithic positive and negative chamfer drill comprising:
the milling mechanism is used for milling the workpiece and comprises a milling cutter bar, a front chamfer and a reverse chamfer, wherein the milling cutter bar forms a main body structure of the front and reverse chamfer drill, a notch is arranged in the center of the milling cutter bar, the front chamfer is positioned at one end of the notch, and the reverse chamfer is positioned at the other end of the notch;
the height adjusting mechanism is used for adjusting the height of the milling cutter bar and is connected to the height adjusting mechanism, and comprises a supporting seat, a guide rod, a linkage seat and a vertical adjusting screw rod, wherein the guide rod is vertically fixed at the top of the supporting seat;
the angle adjusting mechanism is used for adjusting the milling angle of the milling cutter bar and is connected to the bottom of the height adjusting mechanism, and comprises a base and an angle adjusting screw rod, wherein one end of the base is rotationally connected with one end of the supporting seat through a rotating rod, a rectangular plate is rotationally connected to the other ends of the base and the supporting seat, and the angle adjusting screw rod is rotationally connected to the center of the rectangular plate of the base and is in threaded rotational connection with the rectangular plate of the supporting seat.
As still further aspects of the utility model: the milling cutter bar is integrally made of hard alloy materials to form a cylindrical structure, and a tungsten cobalt coating is sprayed on the surface of the milling cutter bar.
As still further aspects of the utility model: one end of the milling cutter bar is fixed with a fixed plate, a through hole is formed in the four corners of the milling cutter bar, a screw is arranged in the through hole, and the screw is screwed and locked in a screw hole formed in the side wall of the linkage seat.
As still further aspects of the utility model: the top inclined plane of the milling cutter bar is provided with a spray hole, and the bottom of the side wall of the milling cutter bar is provided with a connecting cylinder.
As still further aspects of the utility model: the angle adjusting screw and the vertical adjusting screw are both fixedly provided with a wheel disc, and a layer of anti-skid hand glue is glued on the wheel disc.
As still further aspects of the utility model: three guide rods are arranged at equal angles, form a three-dimensional triangle structure together, and are sprayed with a layer of self-lubricating coating on the surfaces of the guide rods.
The beneficial effects of the utility model are as follows:
through setting up positive chamfer, reverse chamfer in this chamfer bores, and then make the staff can accomplish the operation of forward chamfer, reverse chamfer simultaneously when once milling through milling the cutter arbor, improve milling efficiency, and drive guide bar screw thread linkage through vertical adjusting screw's rotation, and then make the height of milling the cutter arbor can be adjusted fast, and make supporting seat screw thread linkage through angle adjusting screw, and then make it rotate on the base, and then make the whole angle of milling the cutter arbor can be adjusted fast, make this chamfer bore and its integral connection structure can accomplish the regulation of height and angle under the condition that does not need to use external adjusting device, improve its holistic milling efficiency.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the overall connection structure of the milling cutter bar of the present utility model;
FIG. 3 is a schematic view of the base and its overall connection structure;
fig. 4 is a schematic view of a partial structure of a milling cutter bar according to the present utility model.
In the figure: 1. milling cutter arbor, 2, positive chamfer, 3, reverse chamfer, 4, orifice, 5, fixed plate, 6, base, 7, supporting seat, 8, angle adjusting screw, 9, guide bar, 10, linkage seat, 11, vertical adjusting screw.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1 to 4, a cemented carbide monolithic positive and negative chamfer drill comprises:
the milling mechanism is used for milling a workpiece and comprises a milling cutter bar 1, a front chamfer angle 2 and a reverse chamfer angle 3, wherein the milling cutter bar 1 forms a main body structure of the front chamfer angle drill, a notch is formed in the center of the milling cutter bar, the front chamfer angle 2 is positioned at one end of the notch, and the reverse chamfer angle 3 is positioned at the other end of the notch;
the height adjusting mechanism is used for adjusting the height of the milling cutter bar 1 and is connected to the height adjusting mechanism, and comprises a supporting seat 7, a guide rod 9, a linkage seat 10 and a vertical adjusting screw 11, wherein the guide rod 9 is vertically fixed at the top of the supporting seat 7, the vertical adjusting screw 11 is vertically and rotatably connected to the top of the supporting seat 7, a through hole and a screw hole are formed in the linkage seat 10 in a penetrating manner, the guide rod 9 is positioned in the through hole, and the vertical adjusting screw 11 is in threaded rotary connection in the screw hole;
the angle adjusting mechanism is used for adjusting the milling angle of the milling cutter bar 1 and is connected to the bottom of the height adjusting mechanism, and comprises a base 6 and an angle adjusting screw rod 8, wherein one end of the base 6 is rotationally connected with one end of a supporting seat 7 through a rotating rod, rectangular plates are rotationally connected to the other ends of the base 6 and the supporting seat 7, and the angle adjusting screw rod 8 is rotationally connected to the center of the rectangular plate of the base 6 and is in threaded rotational connection with the rectangular plate of the supporting seat 7;
through setting up positive chamfer 2, reverse chamfer 3 in this chamfer bores, and then make the staff can accomplish forward chamfer, reverse chamfer's operation simultaneously when once milling through milling cutter arbor 1, improve milling efficiency, and drive guide bar 9 screw thread linkage through vertical adjusting screw 11's rotation, and then make the height of milling cutter arbor 1 can be adjusted fast, and make supporting seat 7 screw thread linkage through angle adjusting screw 8, and then make it rotate on base 6, and then make the whole angle of milling cutter arbor 1 can be adjusted fast, make this chamfer bore and its integral connection structure can accomplish the regulation of height and angle under the circumstances that need not use external adjusting device, improve its holistic milling efficiency.
Example two
As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:
the milling cutter bar 1 is integrally made of hard alloy materials to form a cylindrical structure, and a tungsten cobalt coating is sprayed on the surface of the milling cutter bar, so that the hardness of the milling cutter bar is improved, and the service life of the milling cutter bar is prolonged.
One end of the milling cutter bar 1 is fixed with a fixed plate 5, a through hole is formed in the four corners of the milling cutter bar, a screw is arranged in the through hole, and the screw is screwed and locked in a screw hole formed in the side wall of the linkage seat 10, so that a worker can quickly connect or detach the milling cutter bar 1 with the proper model with the linkage seat 10.
The top inclined surface of the milling cutter bar 1 is provided with a spray hole 4, the bottom of the side wall of the milling cutter bar 1 is provided with a connecting cylinder, and flushing liquid is sprayed through the spray hole 4, so that the surface of a processed workpiece can be quickly flushed.
Example III
As shown in fig. 1 to 4, this embodiment includes, in addition to all the technical features of the first embodiment, the following steps:
the angle adjusting screw 8 and the vertical adjusting screw 11 are respectively fixed with a wheel disc, and a layer of anti-skidding hand glue is glued on the wheel discs, so that staff can quickly rotate the screws, and the comfort level when holding the wheel discs is improved.
Three guide rods 9 are arranged at equal angles, form a three-dimensional triangle structure together, are coated with a layer of self-lubricating coating on the surface of the guide rods 9, improve the stability of the linkage seat 10 through the three-dimensional triangle structure, reduce the friction force between the guide rods 9 and the linkage seat 10, and avoid the situation that the two cannot slide due to overlarge friction force.
Working principle: when the chamfering drill is used, a milling cutter bar 1 with a proper model is screwed and locked with a linkage seat 10 through a screw on a fixing plate 5, a workpiece is milled through the milling cutter bar 1 during milling, and when the milling cutter bar is milled to the position of a positive chamfer angle 2, a vertical adjusting screw 11 is rotated to drive the linkage seat 10 and the milling cutter bar 1 to move in the vertical direction, so that the positive chamfer angle 2 is in contact with the edge of the workpiece, the forward chamfer angle of the workpiece is realized, and then the workpiece is moved to the position of a reverse chamfer angle 3 to perform reverse chamfer angle operation on the workpiece.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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 disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. A cemented carbide integral positive and negative chamfer drill, comprising:
the milling mechanism is used for milling a workpiece and comprises a milling cutter bar (1), a front chamfer (2) and a reverse chamfer (3), wherein the milling cutter bar (1) forms a main body structure of the front and reverse chamfer drill, a notch is formed in the center of the milling cutter bar, the front chamfer (2) is positioned at one end of the notch, and the reverse chamfer (3) is positioned at the other end of the notch;
the height adjusting mechanism is used for adjusting the height of the milling cutter bar (1), and is connected to the height adjusting mechanism, and comprises a supporting seat (7), a guide rod (9), a linkage seat (10) and a vertical adjusting screw (11), wherein the guide rod (9) is vertically fixed at the top of the supporting seat (7), the vertical adjusting screw (11) is vertically and rotatably connected to the top of the supporting seat (7), a through hole and a screw hole are formed in the linkage seat (10) in a penetrating manner, the guide rod (9) is positioned in the through hole, and the vertical adjusting screw (11) is in threaded rotary connection in the screw hole;
the angle adjusting mechanism is used for adjusting the milling angle of the milling cutter bar (1), is connected to the bottom of the height adjusting mechanism and comprises a base (6) and an angle adjusting screw (8), one end of the base (6) is rotationally connected with one end of a supporting seat (7) through a rotating rod, a rectangular plate is rotationally connected to the other ends of the base (6) and the supporting seat (7), and the angle adjusting screw (8) is rotationally connected to the center of the rectangular plate of the base (6) and is in threaded rotation connection with the rectangular plate of the supporting seat (7).
2. The cemented carbide integral positive and negative chamfer drill of claim 1, wherein: the milling cutter bar (1) is integrally made of hard alloy materials to form a cylindrical structure, and a tungsten cobalt coating is sprayed on the surface of the milling cutter bar.
3. The cemented carbide integral positive and negative chamfer drill of claim 1, wherein: one end of the milling cutter bar (1) is fixed with a fixed plate (5), a through hole is formed in the four corners of the milling cutter bar, a screw is arranged in the through hole, and the screw is screwed and locked in a screw hole formed in the side wall of the linkage seat (10).
4. The cemented carbide integral positive and negative chamfer drill of claim 1, wherein: the milling cutter bar (1) is provided with a spray hole (4) on the top inclined plane, and a connecting cylinder is arranged at the bottom of the side wall of the milling cutter bar (1).
5. The cemented carbide integral positive and negative chamfer drill of claim 1, wherein: the angle adjusting screw (8) and the vertical adjusting screw (11) are respectively fixed with a wheel disc, and a layer of anti-skid hand glue is glued on the wheel discs.
6. The cemented carbide integral positive and negative chamfer drill of claim 1, wherein: three guide rods (9) are arranged at equal angles, form a three-dimensional triangle structure together, and are sprayed with a self-lubricating coating on the surface of the guide rods (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223194072.3U CN218983295U (en) | 2022-11-30 | 2022-11-30 | Integral positive and negative chamfer of carbide bores |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223194072.3U CN218983295U (en) | 2022-11-30 | 2022-11-30 | Integral positive and negative chamfer of carbide bores |
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| Publication Number | Publication Date |
|---|---|
| CN218983295U true CN218983295U (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223194072.3U Active CN218983295U (en) | 2022-11-30 | 2022-11-30 | Integral positive and negative chamfer of carbide bores |
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| Country | Link |
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| CN (1) | CN218983295U (en) |
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- 2022-11-30 CN CN202223194072.3U patent/CN218983295U/en active Active
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