CN206397433U - A kind of drill bit device heated based on microwave - Google Patents
A kind of drill bit device heated based on microwave Download PDFInfo
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- CN206397433U CN206397433U CN201621160506.XU CN201621160506U CN206397433U CN 206397433 U CN206397433 U CN 206397433U CN 201621160506 U CN201621160506 U CN 201621160506U CN 206397433 U CN206397433 U CN 206397433U
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- microwave
- coaxial waveguide
- drill bit
- waveguide
- coaxial
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Abstract
The utility model discloses a kind of drill bit device heated based on microwave.It includes microwave generator, microwave adapter, rectangular waveguide, rectangular coaxial waveguide converter, coaxial waveguide, near-field energy aggregator and control circuit, described microwave generator is connected by microwave adapter with rectangular waveguide, rectangular coaxial waveguide converter connects rectangular waveguide and coaxial waveguide, near-field energy aggregator is located at coaxial waveguide end, contacted with pending non-conductive material, described coaxial waveguide is by external conductive shell, insulating sleeve is constituted, described near-field energy aggregator is by external conductive shell, insulating sleeve, tuned reflective mirror, insulating supporting and electrode needle are constituted, electrode needle is located at coaxial waveguide inside center, it is coaxial with coaxial waveguide.The drill bit device of microwave heating, as a kind of relatively easy and portable drilling tool, noise and dust will not be produced, the drill bit that need not be rotated at a high speed, effectively reduction drilling process in drill string vibration and efficiency can be improved, reduce limitation of the construction and decoration industry to the engineering time and the injury to workmen.
Description
Technical field
Drill bit device is heated the present invention relates to the microwave in industry drilling, cutting, crushing technology field, it is characterized in that utilizing
The equipment that microwave is drilled to non-conductive material, is mainly used in building, finishing, material cutting, catalase and ore deposit
The industry field that mountain drilling well etc. is handled hard non-conductive materials.
Background technology
At present, drill, cut, crushing technology field mainly use mechanical device, mainly by improve the kinetic energy of drill bit come
Realize, therefore also tend to noise, vibration, dust etc. with product, efficiency is low, to builder, drilling engineer, geology
Investigation and prospecting person's human body has certain harm.At present, microwave heating bit technique product is yet there are no both at home and abroad to lead in construction and decoration
The document report of domain field application.
The content of the invention
To overcome conventional drill topping machanism to have the deficiencies such as noise, vibration, dust, the purpose of the present utility model is
In order to send out out a kind of quieter, gentle, easily drill bit so that can reduce noise during the operation such as drilling, cutting, broken, shake
The adjoint product such as dynamic and dust, more efficiently.
In order to solve the above technical problems, the present invention uses following series technical project：
A kind of drill bit with following structure is provided：It include microwave generator, microwave adapter, rectangular waveguide, rectangle-
Coaxial waveguide converter, coaxial waveguide, near-field energy aggregator and control circuit.It is characterized in that microwave generator passes through microwave
Adapter is connected with rectangular waveguide, rectangle-coaxial waveguide converter connection rectangular waveguide and coaxial waveguide, near-field energy aggregator
Positioned at coaxial waveguide end, contacted with pending non-conductive material.
Microwave generator is powered by the electric power system of power adjustable.
Coaxial waveguide is made up of external conductive shell, insulating sleeve.
Near-field energy aggregator is made up of external conductive shell, insulating sleeve, tuned reflective mirror, insulating supporting and electrode needle,
Electrode needle is located at coaxial waveguide inside center, coaxial with coaxial waveguide.
Electrode needle is connected with rotary drive mechanism, and the rotary drive mechanism includes single motor or motor and speed changer knot
The drive mechanism of conjunction.
Electrode needle also functions to the effect of drill bit in itself, in microwave bores processing materials process, can occur soon in material surface
The thermal runaway phenomenon of speed, produces a hot localised points, and drill bit will be crept into along the direction of focus.
Electrode needle lateral dimension is less than the wavelength of microwave.
The drill bit heated based on microwave belongs to a kind of heat energy drilling equipment, and innovation of the invention is microwave energy
By near-field energy aggregator, the region concentrated on around electrode needle, using thermal runaway effect, reaches and non-conductive material is entered
The operation such as row drilling or cutting.
The novel part of the present invention, exactly make use of the microwave near-field energy being seldom related in usually research and engineer applied
Amount and thermal runaway effect.It can be solved by Maxwell's electromagnetic equation group, near field region, electric field intensity E, magnetic vector H phases
Difference is 90 degree.From poynting's theorem, instantaneous Poynting vector is imaginary number, and energy is not radiated, therefore can be near field region
Energy is stored, electromagnetic field intensity is big.The signified situation of thermal runaway effect is that the change triggered when temperature increases makes temperature more enter
One step increases, and the object of high temperature is to microwave more preferable assimilation effect again, that is to say, that when some local temperature of material surface
After rise, under the irradiation of microwave, this portion of material can absorb most of microwave energy, cause temperature further to improve, and produce
Vicious circle, thus cause a certain destructive result.This is a kind of positive feedback.
The beneficial effects of the utility model are, using microwave near-field energy and thermal runaway effect, can be prepared into relative
Simple and portable drilling tool, as a kind of contactless physics auxiliary rock method, will not bring new rush to drill bit
The collateral damage such as hit, wear and tear, noise and dust will not be produced, it is not necessary to the drill bit of rotation, and work materials are entered at a high speed
Row handle in advance, reduce drill bit work difficulty, effectively reduction drilling process in drill string vibration and efficiency can be improved.Cause
This greatly reduces limitation of the construction and decoration industry to the engineering time and the injury to workmen.
Brief description of the drawings
Fig. 1 is the workflow schematic diagram that microwave heats drill bit
Fig. 2 is the structural representation that microwave heats drill bit
Fig. 3 is energy centralization device structural representation
In figure：
The rectangular waveguide of 1 microwave generator, 2 microwave adapter 3
The coaxial waveguide of 4 rectangles-coaxial waveguide converter 5
The electrode needle of 6 energy centralization device 7
The external conductive shell of 8 insulating sleeve 9
The insulating supporting of 10 tuned reflective mirror 11.
Embodiment
The present utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
：
The present utility model, it includes microwave generator 1, microwave adapter 2, rectangular waveguide 3, rectangle-on-axis wave
Lead converter 4, coaxial waveguide 5 and energy centralization device 6.
The drill bit device of microwave heating based on above-described embodiment further comprises：
Energy centralization device is by external conductive shell 9, insulating sleeve 8, tuned reflective mirror 10, insulating supporting 11 and electrode needle 7.
Referring to accompanying drawing 1 and accompanying drawing 2, microwave generator is powered by external control circuit, variable power, and microwave generator 1 is produced
Raw microwave, by microwave adapter 2, microwave energy enters rectangular waveguide 3,
Further, microwave onwards transmission is reduced microwave energy loss by rectangular waveguide 3.
Further, microwave passes through rectangle-coaxial waveguide converter 4, and into coaxial waveguide 5, microwave is by coaxial waveguide
Pipe is transmitted.
Further, microwave enters energy centralization device 6, by adjusting the coordinated reflex mirror 10 in energy centralization device so that
Microwave energy is converged at electrode needle 7.
Further, electrode needle 7 is with treating that work materials are contacted, and microwave energy produces focus, focus under contact point surface
Temperature is further raised, and occurs thermal runaway, and then will treat that work materials are melted.
Further, electrode needle promotes first axial advancement by drive mechanism, and then material is penetrated.
Further, 9 supports of the outside conductive shell of 8 pairs of insulating sleeve and fixation.
Further, insulating supporting 11 is to 7 supports of electrode needle and fixation.
Claims (6)
1. a kind of drill bit device heated based on microwave, it includes microwave generator, microwave adapter, rectangular waveguide, rectangle-same
Axle waveguide converter, coaxial waveguide, near-field energy aggregator and control circuit, it is characterized in that microwave generator is suitable by microwave
Orchestration is connected with rectangular waveguide, rectangle-coaxial waveguide converter connection rectangular waveguide and coaxial waveguide, near-field energy aggregator position
In coaxial waveguide end, contacted with pending non-conductive material.
2. the drill bit device of microwave heating according to claim 1, it is characterized in that：Microwave generator by power adjustable confession
Electric system is powered.
3. the drill bit device of microwave heating according to claim 1, it is characterized in that：Coaxial waveguide by external conductive shell, absolutely
Edge sleeve is constituted.
4. the drill bit device of microwave heating according to claim 1, it is characterized in that：Near-field energy aggregator is by external conductive
Shell, insulating sleeve, tuned reflective mirror, insulating supporting and electrode needle are constituted, and electrode needle is located at coaxial waveguide inside center, and coaxial
Waveguide coaxial.
5. the drill bit device of microwave heating according to claim 1, it is characterized in that：Electrode needle is connected with rotary driving machine
Structure, the rotary drive mechanism includes the drive mechanism that single motor or motor are combined with speed changer.
6. the drill bit device of microwave heating according to claim 1, it is characterized in that：Electrode needle lateral dimension is less than microwave
Wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621160506.XU CN206397433U (en) | 2016-11-01 | 2016-11-01 | A kind of drill bit device heated based on microwave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621160506.XU CN206397433U (en) | 2016-11-01 | 2016-11-01 | A kind of drill bit device heated based on microwave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206397433U true CN206397433U (en) | 2017-08-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621160506.XU Active CN206397433U (en) | 2016-11-01 | 2016-11-01 | A kind of drill bit device heated based on microwave |
Country Status (1)
| Country | Link |
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| CN (1) | CN206397433U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931538A (en) * | 2018-06-29 | 2018-12-04 | 中国科学院合肥物质科学研究院 | A kind of experimental provision for carrying out rock-boring research using microwave |
| CN109372433A (en) * | 2018-10-11 | 2019-02-22 | 刘伟 | A kind of PDC drill bit of heat spall broken rock |
-
2016
- 2016-11-01 CN CN201621160506.XU patent/CN206397433U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108931538A (en) * | 2018-06-29 | 2018-12-04 | 中国科学院合肥物质科学研究院 | A kind of experimental provision for carrying out rock-boring research using microwave |
| CN109372433A (en) * | 2018-10-11 | 2019-02-22 | 刘伟 | A kind of PDC drill bit of heat spall broken rock |
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