CN112658341A - Drill bit for testing aramid paper honeycomb sample by coaxial transmission reflection method - Google Patents
Drill bit for testing aramid paper honeycomb sample by coaxial transmission reflection method Download PDFInfo
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- CN112658341A CN112658341A CN202011500172.7A CN202011500172A CN112658341A CN 112658341 A CN112658341 A CN 112658341A CN 202011500172 A CN202011500172 A CN 202011500172A CN 112658341 A CN112658341 A CN 112658341A
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Abstract
The invention discloses a drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method, belonging to the field of processing tools for testing sample preparation, and comprising a sleeve cutter and a drill bit; the sleeve cutter is cylindrical with a central hole, the sleeve cutter and the drill bit are both provided with cutting ends, and the side wall of the cutting end of the sleeve cutter is provided with a plurality of cutting edges which are distributed circumferentially; the drill bit is detachably fixed in the sleeve cutter, the drill bit and the sleeve cutter are coaxially arranged, the cutting end of the drill bit extends out of the cutting end of the sleeve cutter, and the other end of the drill bit is provided with a handle extending out of the sleeve cutter; a sample preparation space is formed between the inner wall of the sleeve cutter and the drill bit. By changing the machining process, the machining period is greatly shortened, the machining time for sample preparation is increased to 10 minutes per piece from the previous 1 hour per piece, the efficiency is increased by more than 6 times, the resources such as manpower, material resources, electric power and the like are greatly saved, and the problems that the traditional five-axis milling surface is long in machining period, the consumption of various resources such as manpower, material resources, electric power and the like is high, and the machining efficiency is low are solved.
Description
Technical Field
The invention belongs to the field of processing tools for testing sample preparation, and particularly relates to a drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method.
Background
At present, a coaxial transmission reflection method test device is used for testing the complex dielectric constant and the complex permeability of the aramid paper honeycomb at 0.3-1.5GHz, and a test sample is machined into a circular ring with the outer diameter of 75.8mm and the inner diameter of 33.16mm according to GJB SJ 20512-1995 'test method for complex dielectric constant and complex permeability of microwave large-loss solid materials'.
At present, no special sample preparation tool exists in the field, the existing processing means is to process the test sample by adopting a five-axis double-swing-head numerical control CNC high-precision machine tool, a series of parameters such as a main shaft speed function, feed holding, a cutter track, zero offset, cutter length offset, cutter radius compensation, cutter track feed speed, fixed circulation and the like are required to be programmed according to the digital model, because no special tool exists, only a milling method can be adopted, the cutter track is processed according to the edge of the digital model, redundant parts are milled out little by little, and the required sample preparation is obtained after the processing program is completed, so that the processing of one sample preparation needs 1 hour.
Disclosure of Invention
The invention aims to provide a drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method, and aims to solve the problems that the traditional five-axis milling surface processing sample preparation has long period and large consumption of various resources such as manpower, material resources, electric power and the like.
In order to realize the purpose of the invention, the technical scheme is as follows: a drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method comprises a sleeve cutter and a drill bit; the sleeve cutter is cylindrical with a central hole, the sleeve cutter and the drill bit are both provided with cutting ends, and the side wall of the cutting end of the sleeve cutter is provided with a plurality of cutting edges which are distributed circumferentially; the drill bit is detachably fixed in the sleeve cutter, the drill bit and the sleeve cutter are coaxially arranged, the cutting end of the drill bit extends out of the cutting end of the sleeve cutter, and the other end of the drill bit is provided with a handle extending out of the sleeve cutter; a sample preparation space is formed between the inner wall of the sleeve cutter and the drill bit.
As a further alternative, the central hole of the sleeve cutter is a stepped hole, the cutting edge is arranged on the end surface of the side wall of the large-diameter hole of the stepped hole, and the sample preparation space is formed between the large-diameter hole and the drill.
As a further alternative, the drill is fittingly installed in the small-diameter hole of the stepped hole and fixed by a screw.
As a further alternative, the diameter of the cutting end of the drill bit matches the inner diameter of the prepared sample, and the inner diameter of the cutting end of the sleeve cutter matches the outer diameter of the prepared sample.
As a further alternative, the diameter of the handle is smaller than the diameter of the cutting end of the drill bit.
As a further alternative, the cutting edges of the set knives are circumferentially evenly distributed.
The invention has the beneficial effects that: by changing the processing technology, the special cutter greatly reduces the processing period, the processing time for sample preparation is increased to 10 minutes per piece from the previous 1 hour per piece, the efficiency is increased by more than 6 times, the resources such as manpower, material resources, electric power and the like are greatly saved, and the problems of long processing period, high consumption of various resources such as manpower, material resources, electric power and the like and low machining efficiency of the traditional five-axis milling are solved.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it should be understood that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a drill bit for testing aramid paper honeycomb samples by a coaxial transmission reflection method according to an embodiment of the invention;
FIG. 2 is a left side view of the drill bit shown in FIG. 1 for testing aramid paper honeycomb samples by the coaxial transreflection method;
FIG. 3 is a front view of the drill bit of FIG. 1;
FIG. 4 is a schematic view of the interior of the shell and bit of FIG. 1 with the cutting edges not shown;
reference numerals: 1-sheathing a cutter; 2-a drill bit; 3-a handle; 4-a cutting edge; 5-screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without any inventive step, are within the scope of the present invention. It is to be understood that the drawings are provided solely for the purposes of reference and illustration and are not intended as a definition of the limits of the invention. The connection relationships shown in the drawings are for clarity of description only and do not limit the manner of connection.
It will be understood that 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. 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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
The invention is further described with reference to the following figures and specific embodiments.
Fig. 1 to 4 show a drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method, which comprises a sleeve cutter 1 and a drill bit 2; the sleeve cutter 1 is cylindrical with a central hole, the sleeve cutter 1 and the drill 2 are both provided with cutting ends, and the side wall of the cutting end of the sleeve cutter 1 is provided with a plurality of cutting edges 4 which are distributed circumferentially; the drill bit 2 is detachably fixed in the sleeve cutter 1, the drill bit 2 and the sleeve cutter 1 are coaxially arranged, the cutting end of the drill bit 2 extends out of the cutting end of the sleeve cutter 1, and the other end of the drill bit 2 is provided with a handle 3 extending out of the sleeve cutter 1; a sample preparation space is formed between the inner wall of the sleeve cutter 1 and the drill bit 2.
This special drill bit is the cover sword structure, adopts the turning to add drilling simultaneous working, uses the excircle surface of turning method processing work piece, processes out interior round hole with the method that drill bit 2 went up the processing hole on the solid material, forms the test sample, has greatly shortened the cutter orbit, by two original circular orbits, has become present straight-up straight-down, one shot forming, when this model work piece of needs big batch processing, can shorten the processing cycle greatly, improves work efficiency. The processing period of the method for turning and drilling by adopting the special drill bit is 10 minutes per piece.
The center hole of the sleeve cutter 1 is a stepped hole, a cutting edge 4 is arranged on the end face of the side wall of a large-diameter hole of the stepped hole, and the sample preparation space is formed between the large-diameter hole and the drill bit 2. After downward processing, a processed sample preparation is formed in the sample preparation space. The drill bit 2 is matched and installed in the small-diameter hole of the stepped hole and is fixed through a screw 5. The assembly and disassembly are convenient, and the screw 5 is fixed to the drill bit 2 from the outside of the sleeve cutter 1 to realize the detachable fixed connection.
The diameter of the cutting end of the drill bit 2 is matched with the inner diameter of a sample, and the inner diameter of the cutting end of the sleeve cutter 1 is matched with the outer diameter of the sample. And correspondingly processing once to form a sample preparation. The diameter of the handle 3 is smaller than the diameter of the cutting end of the drill bit 2. The cutting edges 4 of the sleeve cutter 1 are evenly distributed in the circumferential direction.
The drill bit 2 and the cutter handle can be milled by a milling machine, the sleeve cutter 1 is milled by a curve, and the assembled sleeve cutter is mounted on a special cutter head of a five-axis double-swing-head numerical control CNC high-precision machine tool to process a required product.
The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.
Claims (6)
1. A drill bit for testing aramid paper honeycomb sample preparation by a coaxial transmission reflection method is characterized by comprising a sleeve cutter and a drill bit; the sleeve cutter is cylindrical with a central hole, the sleeve cutter and the drill bit are both provided with cutting ends, and the side wall of the cutting end of the sleeve cutter is provided with a plurality of cutting edges which are distributed circumferentially; the drill bit is detachably fixed in the sleeve cutter, the drill bit and the sleeve cutter are coaxially arranged, the cutting end of the drill bit extends out of the cutting end of the sleeve cutter, and the other end of the drill bit is provided with a handle extending out of the sleeve cutter; a sample preparation space is formed between the inner wall of the sleeve cutter and the drill bit.
2. The drill bit for testing aramid paper honeycomb sample making by the coaxial transmission reflection method as claimed in claim 1, wherein the central hole of the sleeve cutter is a stepped hole, the cutting edge is arranged on the end surface of the side wall of a large-diameter hole of the stepped hole, and the sample making space is formed between the large-diameter hole and the drill bit.
3. The drill bit for testing the aramid paper honeycomb system sample by the coaxial transmission reflection method as claimed in claim 2, wherein the drill bit is fittingly installed in a small-diameter hole of the stepped hole and fixed by a screw.
4. The drill bit for testing the aramid paper honeycomb sample by the coaxial transmission reflection method as claimed in claim 1, wherein the diameter of the cutting end of the drill bit is matched with the inner diameter of the sample, and the inner diameter of the cutting end of the sleeve cutter is matched with the outer diameter of the sample.
5. The drill bit for testing the aramid paper honeycomb pattern by the coaxial transreflection method as claimed in claim 1, wherein the diameter of the handle is smaller than the diameter of the cutting end of the drill bit.
6. The drill bit for testing aramid paper honeycomb samples by the coaxial transmission reflection method as claimed in claim 1, wherein the cutting edges of the set cutter are circumferentially and uniformly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011500172.7A CN112658341A (en) | 2020-12-18 | 2020-12-18 | Drill bit for testing aramid paper honeycomb sample by coaxial transmission reflection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011500172.7A CN112658341A (en) | 2020-12-18 | 2020-12-18 | Drill bit for testing aramid paper honeycomb sample by coaxial transmission reflection method |
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| Publication Number | Publication Date |
|---|---|
| CN112658341A true CN112658341A (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011500172.7A Pending CN112658341A (en) | 2020-12-18 | 2020-12-18 | Drill bit for testing aramid paper honeycomb sample by coaxial transmission reflection method |
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| CN (1) | CN112658341A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209720U (en) * | 1987-07-04 | 1988-04-20 | 颜发利 | High speed ringlike hole drill |
| CN2165954Y (en) * | 1993-07-02 | 1994-05-25 | 涂庆 | Combined drilling & milling tool |
| CN1806979A (en) * | 2006-01-04 | 2006-07-26 | 王中华 | Ring-cutting knife |
| CN204194908U (en) * | 2014-11-14 | 2015-03-11 | 重庆康辉机械制造有限公司 | Dark annular groove cover cutter |
| CN204735759U (en) * | 2015-03-27 | 2015-11-04 | 镇江锐诚精密工具有限公司 | Composite drill bit convenient to centre gripping |
| CN204800017U (en) * | 2015-05-28 | 2015-11-25 | 南京方锐机械有限公司 | Drill bit |
| CN205562198U (en) * | 2016-05-03 | 2016-09-07 | 葛洲坝集团试验检测有限公司 | A auxiliary device that is used for energy -conserving structure drill core of outer wall to take a sample |
| CN206732209U (en) * | 2017-04-28 | 2017-12-12 | 石家庄启宏新材料制品有限公司 | A kind of foam plastic product molding cutter |
-
2020
- 2020-12-18 CN CN202011500172.7A patent/CN112658341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87209720U (en) * | 1987-07-04 | 1988-04-20 | 颜发利 | High speed ringlike hole drill |
| CN2165954Y (en) * | 1993-07-02 | 1994-05-25 | 涂庆 | Combined drilling & milling tool |
| CN1806979A (en) * | 2006-01-04 | 2006-07-26 | 王中华 | Ring-cutting knife |
| CN204194908U (en) * | 2014-11-14 | 2015-03-11 | 重庆康辉机械制造有限公司 | Dark annular groove cover cutter |
| CN204735759U (en) * | 2015-03-27 | 2015-11-04 | 镇江锐诚精密工具有限公司 | Composite drill bit convenient to centre gripping |
| CN204800017U (en) * | 2015-05-28 | 2015-11-25 | 南京方锐机械有限公司 | Drill bit |
| CN205562198U (en) * | 2016-05-03 | 2016-09-07 | 葛洲坝集团试验检测有限公司 | A auxiliary device that is used for energy -conserving structure drill core of outer wall to take a sample |
| CN206732209U (en) * | 2017-04-28 | 2017-12-12 | 石家庄启宏新材料制品有限公司 | A kind of foam plastic product molding cutter |
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Address after: No.288, west section of Wenming street, new economic Industrial Park, south area of Chengdu modern industrial port, Pidu District, Chengdu, Sichuan 610000 Applicant after: Chengdu Jiachi Electronic Technology Co.,Ltd. Address before: No.288, west section of Wenming street, new economic Industrial Park, south area of Chengdu modern industrial port, Pidu District, Chengdu, Sichuan 610000 Applicant before: CHENGDU JIACHI ELECTRONIC TECHNOLOGY Co.,Ltd. |
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Application publication date: 20210416 |