CN211360771U - Cutter and drilling machine - Google Patents
Cutter and drilling machine Download PDFInfo
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- CN211360771U CN211360771U CN201921842271.6U CN201921842271U CN211360771U CN 211360771 U CN211360771 U CN 211360771U CN 201921842271 U CN201921842271 U CN 201921842271U CN 211360771 U CN211360771 U CN 211360771U
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- 238000005553 drilling Methods 0.000 title claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 103
- 238000005520 cutting process Methods 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 31
- 238000003754 machining Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application relates to a cutter and a drilling machine. The cutter is used for being connected with the machine body and comprises a clamping part, a processing part and a guiding part, wherein the clamping part is used for being connected with the machine body; the processing part is connected with the clamping part, a spiral blade is arranged on the peripheral wall of the processing part, and an included angle is formed between the extending tangential direction of the blade and the axial direction of the processing part; the guide part is connected to the processing part, the clamping part, the guide part and the processing part are coaxially arranged, and the guide part is used for positioning and guiding the processing part to process. Because be equipped with spiral helicine cutting edge on the perisporium of processing portion, and there is the contained angle between the tangential direction of the extension of cutting edge and the axial of processing portion, make processing portion can carry out drilling and countersunk head manufacturing procedure simultaneously along with the rotatory in-process of clamping part, realize carrying out disposable processing to the countersunk hole, solved the processing of countersunk hole and had the lower problem of machining efficiency.
Description
Technical Field
The application relates to the technical field of countersunk hole machining, in particular to a cutter and a drilling machine.
Background
The processing method of the screw countersunk hole comprises the following steps: after the hole is drilled by a drill, the drill is sunk by a flat-bottom drill. That is, tool changing is needed in the process of machining the countersunk holes, and the tool changing accuracy is low. Therefore, the conventional counter bore processing has the problems of low processing efficiency and easy deviation, especially for the counter bore with deep depth.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is necessary to provide a tool and a drill, which are directed to the problems of low machining efficiency and easy deviation in the method for machining a counterbore.
A tool for connection with a machine body, the tool comprising:
the clamping part is used for being connected with the machine body;
the processing part is connected with the clamping part, a spiral blade is arranged on the peripheral wall of the processing part, and an included angle is formed between the extension tangential direction of the blade and the axial direction of the processing part;
the guiding part is connected to the processing part, the clamping part, the guiding part and the processing part are coaxially arranged, and the guiding part is used for positioning and guiding the processing part to process.
In one embodiment, the number of the cutting edges is multiple, and the multiple cutting edges are distributed at intervals along the circumferential direction of the processing part, so that the processing part can rapidly process countersunk holes.
In one embodiment, the distance between two adjacent cutting edges is equal, so that the processing part can better process the countersunk hole.
In one embodiment, a blade groove exists between two adjacent blades, the extending direction of the blade groove is the same as the extending direction of the blades, so that scraps generated by the machining and cutting of the blades are quickly discharged from the blade groove, and the problem that the cutter blocks scraps in the process of machining a countersunk hole and even burns the countersunk hole is avoided.
In one embodiment, the inner wall of the blade groove is formed with a first curved surface and a second curved surface, an intersection line exists between the first curved surface and the second curved surface, the inclination angle of the first curved surface is smaller than that of the second curved surface, and the first curved surface and the second curved surface are arranged asymmetrically along the extension direction of the blade groove, so that the scraps can be better discharged from the blade groove.
In one embodiment, the included angle between the extending tangential direction of the cutting edge and the axial direction of the processing part is 5-10 degrees, so that the cutting edge can better discharge scraps in the processing process.
In one of them embodiment, the cutting edge includes cutting edge main part, bottom edge portion and side cutting edge portion, bottom edge portion with side cutting edge portion all with the cutting edge main part is connected, the extending direction of cutting edge main part with the extending direction of side cutting edge portion is the same, bottom edge portion is neighbouring the guide portion sets up, makes the cutting edge can process bottom and the lateral part of counter sink simultaneously in the course of working, realizes the integrated processing of counter sink better, has improved the machining efficiency of counter sink.
In one embodiment, the guide part is cylindrical, so that the guide part is better positioned and guides the processing part to process a countersunk hole, and the problem that the countersunk hole is easy to deviate in processing is better avoided.
In one embodiment, the clamping part, the processing part and the guide part are integrally formed, so that the manufacturing cost of the cutter is lower, and the structure of the cutter is more compact.
A drilling machine comprises a machine body and the cutter in any embodiment, wherein the clamping part is connected with the machine body.
In the cutter and the drilling machine, the clamping part is connected with the machine body, so that the machine body of the drilling machine drives the clamping part to rotate; because the spiral cutting edge is arranged on the peripheral wall of the processing part, and an included angle exists between the extending tangential direction of the cutting edge and the axial direction of the processing part, the processing part can simultaneously carry out drilling and countersunk head processing procedures in the rotating process along with the clamping part, the countersunk head is processed at one time, and the problem of low processing efficiency in the processing of the countersunk head is solved; because the clamping part the guide part with the processing part is coaxial, in the rotary processing process of the processing part, the guide part positions and guides the processing part to process the countersunk hole, so that the positioning and guiding effects are achieved, and the problem that the countersunk hole is easy to deviate in processing is avoided.
Drawings
FIG. 1 is a schematic view of a tool according to one embodiment;
fig. 2 is a partial schematic view of the tool shown in fig. 1.
Detailed Description
To facilitate an understanding of the present application, the cutters and drill rig will be described more fully below with reference to the associated drawings. Preferred embodiments of the tool and drill are shown in the drawings. However, the tool and drill may be embodied in many different forms and are not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the tools and drills is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the drill of one embodiment includes a body (not shown) and a tool 10, the tool 10 being coupled to the body such that the tool 10 is secured to the body. In one embodiment, the housing includes a housing and a drive mechanism coupled to the housing. The cutter 10 is connected to a power output end of a driving mechanism, and the driving mechanism drives the cutter 10 to rotate relative to the machine shell, so that the cutter 10 machines a countersunk hole.
As shown in fig. 1, in one embodiment, the tool 10 includes a clamping portion 100, a processing portion 200, and a guiding portion 300. The clamping portion 100 is used for connecting with the machine body. In this embodiment, the clamping portion 100 is cylindrical, and the clamping portion 100 is connected to the power output end of the driving mechanism, so that the clamping portion 100 has a good bending strength, and the design requirement of the coaxiality of the tool 10 can be better ensured. It is understood that in other embodiments, the clamping portion 100 is not limited to being cylindrical, i.e., the cross-section of the clamping portion 100 is not limited to being circular, but may be square or polygonal. In one embodiment, the clamping portion 100 is removably coupled to the power output end of the drive mechanism for servicing or replacing the tool 10.
Referring also to fig. 2, in one embodiment, the processing portion 200 is connected to the clamping portion 100, such that the processing portion 200 is connected to the machine body through the clamping portion 100. The peripheral wall of the processing portion 200 is provided with a spiral blade 210, that is, the blade 210 extends in a spiral direction. The tangential direction of extension of the cutting edge 210 forms an angle with the axial direction of the processing portion 200. In one embodiment, the guiding portion 300 is connected to the processing portion 200, such that the guiding portion 300 is connected to the clamping portion 100 through the processing portion 200. Clamping part 100, guide part 300 and processing portion 200 coaxial setting, guide part 300 are used for the location and guide processing portion 200 processing to make processing portion 200 can process the counter sink fast accurately, solved the counter sink processing and have the problem of off normal. In this embodiment, the guide portion 300 and the clamping portion 100 are connected to two ends of the processing portion 200, respectively, so that the clamping portion 100, the guide portion 300 and the processing portion 200 are preferably coaxially disposed.
In the above-mentioned tool 10, the clamping portion 100 is connected to the machine body, so that the machine body of the drilling machine drives the clamping portion 100 to rotate, and since the processing portion 200 is connected to the clamping portion 100, the guide portion 300 is connected to the processing portion 200, so that the machine body drives the processing portion 200 and the guide portion 300 to rotate at the same time. Because the circumferential wall of the processing part 200 is provided with the spiral blade 210, and an included angle exists between the extension tangential direction of the blade 210 and the axial direction of the processing part 200, the processing part 200 can simultaneously carry out drilling and countersunk head processing procedures along with the rotation process of the clamping part 100, the countersunk hole is processed at one time, and the problem of lower processing efficiency in the processing of the countersunk hole is solved. Because the clamping part 100, the guide part 300 and the processing part 200 are coaxially arranged, in the rotary processing process of the processing part 200, the guide part 300 positions and guides the processing part 200 to process a countersunk hole, namely, the positioning and guiding functions are realized, and the problem that the processing of the countersunk hole is easy to deviate is avoided.
As shown in fig. 2, in order to enable the processing portion 200 to rapidly process a countersunk hole, in one embodiment, the number of the cutting edges 210 is multiple, and the multiple cutting edges 210 are distributed at intervals along the circumferential direction of the processing portion 200, so that the cutting edges 210 are provided at multiple positions in the circumferential direction of the processing portion 200, thereby enabling the processing portion 200 to rapidly process a countersunk hole. In the present embodiment, the extending directions of the blades 210 are the same, so that the processing effects of the blades 210 are consistent.
As shown in fig. 2, in order to better machine the countersunk hole of the processing part 200, in one embodiment, the distance between two adjacent cutting edges 210 is equal, that is, the distance between any two adjacent cutting edges 210 is equal, so that the processing part 200 can better machine the countersunk hole.
In one embodiment, as shown in fig. 2, a blade groove 212 is formed between two adjacent blades 210, and the extending direction of the blade groove 212 is the same as that of the blades 210, so that the problem that chips are blocked and even burned in the process of processing a countersunk hole by the tool 10 is avoided, and the chips generated by processing and cutting the blades 210 are quickly discharged from the blade groove 212.
To better enable debris to be expelled from the blade pocket 212, as shown in fig. 2, in one embodiment the inner wall of the blade pocket 212 is formed with a first curved surface 2122 and a second curved surface 2124, with a line of intersection 2123 between the first curved surface 2122 and the second curved surface 2124. The inclination angle of the first curved surface 2122 is smaller than that of the second curved surface 2124, that is, the inclination angle of the tangent plane of the first curved surface 2122 is smaller than that of the tangent plane of the second curved surface 2124, so that the first curved surface 2122 and the second curved surface 2124 are asymmetrically arranged along the extending direction of the blade groove 212, thereby enabling better discharge of chips from the blade groove 212.
As shown in fig. 2, in order to allow the cutting edge 210 to better discharge the chips during the machining process, in one embodiment, the tangential direction of the extension of the cutting edge 210 is at an angle of 5 ° to 10 ° with the axial direction of the machining part 200, so that the cutting edge 210 can better discharge the chips during the machining process. In this embodiment, the included angle between the extending tangential direction of the blade 210 and the axial direction of the processing portion 200 is 7 °, so that not only the blade 210 can better discharge the scraps during the processing process, but also the bending radian of the blade 210 is moderate, so as to reduce the processing difficulty of the blade 210.
As shown in fig. 2, in order to improve the efficiency of the countersink process, in one embodiment, the blade 210 includes a blade body 210a, a bottom blade portion 210b, and a side blade portion 210c, and the bottom blade portion 210b and the side blade portion 210c are connected to the blade body 210 a. The extending direction of the blade body 210a is the same as the extending direction of the side cutting edge portion 210 c. The bottom blade part 210b is arranged adjacent to the guide part 300, so that the bottom and the side part of the counter sink can be simultaneously machined by the blade 210 in the machining process, the integral machining of the counter sink is better realized, and the machining efficiency of the counter sink is improved.
As shown in fig. 2, in order to better avoid the problem of easy deviation in the countersunk hole machining, in one embodiment, the guiding portion 300 is cylindrical, so that the guiding portion 300 can better locate and guide the machining portion 200 to machine the countersunk hole, and the problem of easy deviation in the countersunk hole machining can be better avoided.
As shown in fig. 1, in order to make the tool 10 less expensive to manufacture and to make the tool 10 more compact, in one embodiment, the clamping portion 100, the processing portion 200, and the guide portion 300 are integrally formed, so that the tool 10 is less expensive to manufacture and the tool 10 is more compact. In other embodiments, the clamping portion 100, the processing portion 200, and the guiding portion 300 may be formed separately and connected together by welding.
In one embodiment, the driving mechanism comprises a motor and a connecting shaft, the motor is arranged in the casing, and an output shaft of the motor is connected with one end of the connecting shaft. The other end of the connecting shaft is connected with the cutter 10, so that the cutter 10 is connected to the power output end of the driving mechanism. When the motor drives the connecting shaft to rotate, the connecting shaft drives the cutter 10 to rotate, so that the cutter 10 processes the countersunk hole. In the present embodiment, the connecting shaft is connected to the clamping portion 100, so that the connecting shaft is connected to the tool 10. The motor is a variable frequency motor, so that the output rotating speed of the motor can be quickly and flexibly adjusted. In one embodiment, the connecting shaft is removably connected to the holder 100 for quick replacement or maintenance of the tool 10.
In one embodiment, the machine body further comprises a clamping mechanism, and the clamping portion 100 is connected to the connecting shaft through the clamping mechanism, so that the clamping portion 100 is detachably connected to the power output end of the driving mechanism. In this embodiment, the clamping mechanism is a hydraulic clamping mechanism. In particular, the clamping mechanism may be a hydraulic chuck mechanism. In other embodiments, the clamping mechanism may also be a mechanical clamping mechanism.
In the drilling machine, the clamping part 100 is connected with the machine body, so that the machine body of the drilling machine drives the clamping part 100 to rotate, and the processing part 200 is connected with the clamping part 100, and the guide part 300 is connected with the processing part 200, so that the machine body simultaneously drives the processing part 200 and the guide part 300 to rotate; because the spiral cutting edge 210 is arranged on the peripheral wall of the processing part 200, and an included angle exists between the extension tangential direction of the cutting edge 210 and the axial direction of the processing part 200, the processing part 200 can simultaneously carry out drilling and countersunk head processing procedures in the rotating process along with the clamping part 100, thereby realizing the one-time processing of the countersunk hole and solving the problem of lower processing efficiency in the processing of the countersunk hole; because the clamping part 100, the guide part 300 and the processing part 200 are coaxially arranged, in the rotary processing process of the processing part 200, the guide part 300 positions and guides the processing part 200 to process a countersunk hole, namely, the positioning and guiding functions are realized, and the problem that the processing of the countersunk hole is easy to deviate is avoided.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.
Claims (10)
1. A tool for connection with a machine body, the tool comprising:
the clamping part is used for being connected with the machine body;
the processing part is connected with the clamping part, a spiral blade is arranged on the peripheral wall of the processing part, and an included angle is formed between the extension tangential direction of the blade and the axial direction of the processing part;
the guiding part is connected to the processing part, the clamping part, the guiding part and the processing part are coaxially arranged, and the guiding part is used for positioning and guiding the processing part to process.
2. The tool according to claim 1, wherein the number of the cutting edges is plural, and the plural cutting edges are spaced apart in a circumferential direction of the processed portion.
3. The tool according to claim 2, wherein adjacent two of said cutting edges are equidistant.
4. The tool according to claim 2, wherein a knife groove exists between two adjacent cutting edges, and the extension direction of the knife groove is the same as the extension direction of the cutting edges.
5. The tool according to claim 4, wherein the inner wall of the blade groove is formed with a first curved surface and a second curved surface, a meeting line exists between the first curved surface and the second curved surface, and the inclination angle of the first curved surface is smaller than that of the second curved surface.
6. The tool according to claim 1, wherein the angle between the tangential direction of the extension of the cutting edge and the axial direction of the machining section is 5 ° to 10 °.
7. The tool as claimed in any one of claims 1 to 6, wherein the blade comprises a blade body, a bottom edge portion and a side edge portion, the bottom edge portion and the side edge portion each being connected with the blade body, the blade body extending in the same direction as the side edge portion, the bottom edge portion being disposed adjacent to the pilot portion.
8. Tool according to any one of claims 1-6, characterized in, that the guide is cylindrical.
9. The tool according to any one of claims 1 to 6, wherein the clamping portion, the machining portion and the guide portion are integrally formed.
10. A drilling machine comprising a machine body and a tool according to any one of claims 1 to 9, the holder being connected to the machine body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842271.6U CN211360771U (en) | 2019-10-29 | 2019-10-29 | Cutter and drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921842271.6U CN211360771U (en) | 2019-10-29 | 2019-10-29 | Cutter and drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211360771U true CN211360771U (en) | 2020-08-28 |
Family
ID=72164643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921842271.6U Expired - Fee Related CN211360771U (en) | 2019-10-29 | 2019-10-29 | Cutter and drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211360771U (en) |
-
2019
- 2019-10-29 CN CN201921842271.6U patent/CN211360771U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 |