CN109772670B - Ultrasonic amplitude transformer - Google Patents
Ultrasonic amplitude transformer Download PDFInfo
- Publication number
- CN109772670B CN109772670B CN201910112413.1A CN201910112413A CN109772670B CN 109772670 B CN109772670 B CN 109772670B CN 201910112413 A CN201910112413 A CN 201910112413A CN 109772670 B CN109772670 B CN 109772670B
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- ultrasonic transducer
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- rods
- coaxial
- front cover
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Abstract
The invention belongs to the field of high-end manufacturing equipment, and particularly relates to an ultrasonic amplitude transformer, which comprises a conversion connector and at least two sub-rods, wherein the sub-rods are connected with an ultrasonic transducer through the conversion connector, and one of the sub-rods is coaxial with the ultrasonic transducer; when the temperature of the amplitude transformer in the working state is too high or the temperature rises too fast, the other amplitude transformer in the non-working state is switched to the working position, so that the instability of the contact stress of the amplitude transformer along with the temperature change is reduced or avoided.
Description
Technical Field
The invention belongs to the field of high-end manufacturing equipment, and particularly relates to an ultrasonic amplitude transformer.
Background
The ultrasonic amplitude transformer is an important component of an ultrasonic vibration system and mainly plays a role in amplifying the particle displacement or speed of mechanical vibration and concentrating ultrasonic energy on a smaller area, namely concentrating energy. For example, ultrasonic bonding horn (CN 102891092B) of shanghai fixed acoustic technology ltd, which can reduce contact thermal stress; a trailing edge line type composite amplitude transformer (refer to CN 104307675B) used in a trailing edge line type low-frequency ultrasonic three-time atomizing spray head of Jiangsu university.
Disclosure of Invention
The invention provides a variable amplitude rod, which can reduce the instability of the contact stress of the variable amplitude rod along with the temperature change.
An ultrasonic amplitude transformer comprises a conversion connector and at least two sub-rods, wherein the sub-rods are connected with an ultrasonic transducer through the conversion connector, and one of the sub-rods is coaxial with the ultrasonic transducer;
the conversion connector comprises a front cover with a cambered surface and a rear cover which is not fixedly connected with the front cover, wherein the front cover is provided with front holes with the number consistent with that of the sub-rods, the rear cover is provided with rear holes for mounting the ultrasonic transducer, and the end surface of the sub-rod coaxial with the ultrasonic transducer is contacted with the end surface of the ultrasonic transducer in a cavity surrounded by the front cover and the rear cover;
a circle of racks is arranged on the circumferential side surface of the front cover, a driving motor is fixed on the rear cover, and a driving gear on a motor shaft is meshed with the racks;
a temperature sensor and a controller are also arranged in the cavity,
the temperature sensor is used for detecting the working temperature and the change of the sub-rod in contact with the ultrasonic transducer in real time;
the controller is configured to: and judging whether the working temperature and/or the heating rate of the sub-rods exceed/exceed a preset value, if so, controlling the driving motor to drive the front cover to rotate relative to the rear cover until the working sub-rods which are coaxial with the ultrasonic transducer are moved away, and the non-working sub-rods in a non-coaxial position are moved to the working position which is coaxial with the ultrasonic transducer.
Preferably, the controller is further connected with the ultrasonic transducer, and the driving motor is controlled to perform the actions only when the ultrasonic transducer is in a transduction pause or pause state.
The invention has the beneficial effects that: the working amplitude transformer with overhigh temperature or overhigh temperature rise is replaced in time, so that the instability of the contact stress of the amplitude transformer along with the temperature change can be reduced.
Drawings
FIG. 1 shows an overall schematic of the present invention;
fig. 2 shows a schematic view of the conversion connector of the present invention.
Detailed Description
The structure of the present system and the functions performed are described in detail below with reference to the accompanying drawings.
An ultrasonic horn comprises a conversion connector 3 and at least two sub-rods 1, wherein the sub-rods 1 are connected with an ultrasonic transducer 2 through the conversion connector 3, and one of the sub-rods is coaxial with the ultrasonic transducer 2;
the conversion connector 3 comprises a front cover 31 with a cambered surface and a rear cover 32 which is not fixedly connected with the front cover 31, wherein front holes with the same number as the sub-rods are formed in the front cover 31, rear holes for mounting the ultrasonic transducer 2 are formed in the rear cover 32, and the end surface of the sub-rod coaxial with the ultrasonic transducer 2 is contacted with the end surface of the ultrasonic transducer 2 in a cavity surrounded by the front cover 31 and the rear cover 32;
a circle of racks 33 are arranged on the circumferential side surface of the front cover 31, a driving motor (not shown) is fixed on the rear cover, and a driving gear on a motor shaft is meshed with the racks 33;
a temperature sensor and a controller are also arranged in the cavity,
the temperature sensor is used for detecting the working temperature and the change of the sub-rod in contact with the ultrasonic transducer in real time;
the controller is configured to: and judging whether the working temperature and/or the heating rate of the sub-rods exceed/exceed a preset value, if so, controlling the driving motor to drive the front cover to rotate relative to the rear cover until the working sub-rods which are coaxial with the ultrasonic transducer are moved away, and the non-working sub-rods in a non-coaxial position are moved to the working position which is coaxial with the ultrasonic transducer.
In the above-mentioned actions, the rotation angle is related to the number of the sub-rods, for example, when two sub-rods are provided, the rotation angle should be 180 °, and when three sub-rods are provided, the rotation angle should be 120 °, and the precise control of the rotation angle belongs to the conventional technical means of the servo motor, and is not described herein again.
Preferably, the controller is further connected with the ultrasonic transducer, and the driving motor is controlled to perform the actions only when the ultrasonic transducer is in a transduction pause or pause state.
It will be appreciated by persons skilled in the art that numerous variations and/or modifications may be made to the invention as shown in the specific embodiments without departing from the spirit or scope of the invention as broadly described. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. Likewise, the invention encompasses any combination of features, in particular of features in the patent claims, even if this feature or this combination of features is not explicitly specified in the patent claims or in the individual embodiments herein.
Claims (2)
1. An ultrasonic amplitude transformer is characterized in that,
the ultrasonic transducer comprises a conversion connector and at least two sub rods, wherein the sub rods are connected with the ultrasonic transducer through the conversion connector, and one of the sub rods is coaxial with the ultrasonic transducer;
the conversion connector comprises a front cover with a cambered surface and a rear cover which is not fixedly connected with the front cover, wherein the front cover is provided with front holes with the number consistent with that of the sub-rods, the rear cover is provided with rear holes for mounting the ultrasonic transducer, and the end surface of the sub-rod coaxial with the ultrasonic transducer is contacted with the end surface of the ultrasonic transducer in a cavity surrounded by the front cover and the rear cover;
a circle of racks is arranged on the circumferential side surface of the front cover, a driving motor is fixed on the rear cover, and a driving gear on a motor shaft is meshed with the racks;
a temperature sensor and a controller are also arranged in the cavity,
the temperature sensor is used for detecting the working temperature and the change of the sub-rod in contact with the ultrasonic transducer in real time;
the controller is configured to: and judging whether the working temperature and/or the heating rate of the sub-rods exceed/exceed a preset value, if so, controlling the driving motor to drive the front cover to rotate relative to the rear cover until the working sub-rods which are coaxial with the ultrasonic transducer are moved away, and the non-working sub-rods in a non-coaxial position are moved to the working position which is coaxial with the ultrasonic transducer.
2. The ultrasonic horn of claim 1 wherein the controller is further coupled to the ultrasonic transducer to control the drive motor to perform the above-described actions only when the ultrasonic transducer is in a transducer pause or pause state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112413.1A CN109772670B (en) | 2019-02-13 | 2019-02-13 | Ultrasonic amplitude transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910112413.1A CN109772670B (en) | 2019-02-13 | 2019-02-13 | Ultrasonic amplitude transformer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109772670A CN109772670A (en) | 2019-05-21 |
| CN109772670B true CN109772670B (en) | 2020-08-28 |
Family
ID=66504258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910112413.1A Expired - Fee Related CN109772670B (en) | 2019-02-13 | 2019-02-13 | Ultrasonic amplitude transformer |
Country Status (1)
| Country | Link |
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| CN (1) | CN109772670B (en) |
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| CN104439204A (en) * | 2014-12-09 | 2015-03-25 | 广西大学 | Metal mold casting and molding device based on ultrasonic waves |
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| CN108789165A (en) * | 2018-06-25 | 2018-11-13 | 南京航空航天大学 | A kind of ultrasonic wave added abradant jet deburring device |
| CN108787299A (en) * | 2018-06-15 | 2018-11-13 | 江苏大学 | A kind of gas helps three parameter Weibull low-frequency ultrasonic atomizing nozzle of formula |
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| CN109202114A (en) * | 2018-08-10 | 2019-01-15 | 王晨晨 | A kind of intelligent multiaxis perforating device based on Internet of Things |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7769551B2 (en) * | 2005-01-03 | 2010-08-03 | 3M Innovative Properties Company | Method and system for determining a gap between a vibrational body and fixed point |
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2019
- 2019-02-13 CN CN201910112413.1A patent/CN109772670B/en not_active Expired - Fee Related
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE69014605T2 (en) * | 1990-04-04 | 1995-07-06 | Toppan Printing Co Ltd | Filling and sealing device. |
| CN101011776A (en) * | 2007-02-07 | 2007-08-08 | 哈尔滨工业大学 | Aluminum, aluminum alloy and composite material ultrasonic vibration liquid phase welding equipment therefor |
| CN203220994U (en) * | 2013-04-24 | 2013-10-02 | 无锡市华能超声电子有限公司 | Low-frequency ultrasonic atomization device with droplet controllable |
| CN104439204A (en) * | 2014-12-09 | 2015-03-25 | 广西大学 | Metal mold casting and molding device based on ultrasonic waves |
| CN204432923U (en) * | 2014-12-10 | 2015-07-01 | 重庆长航东风船舶工业公司 | A kind of sounding gear and boats and ships |
| CN104434297A (en) * | 2014-12-22 | 2015-03-25 | 东南大学 | Intelligent temperature control electric-heating scalpel |
| CN204396316U (en) * | 2014-12-23 | 2015-06-17 | 杭州成功超声设备有限公司 | A kind of ultrasonic variable amplitude bar possessing radiating effect |
| CN204718379U (en) * | 2015-03-20 | 2015-10-21 | 重庆科技学院 | Ultrasonic wave vibration activation assisted microwave synthesis sintering furnace |
| CN204536153U (en) * | 2015-05-11 | 2015-08-05 | 广东工业大学 | A kind of capillary die measuring polymeric rheology characteristic under ultrasonic vibration condition |
| CN107591066A (en) * | 2017-10-24 | 2018-01-16 | 西北工业大学 | A kind of controllable acoustic levitation experimental provision of more physical environments |
| CN208289211U (en) * | 2018-06-11 | 2018-12-28 | 广州市腾惠超声波技术有限公司 | A kind of ultrasonic metal bonding machine of servo motor driving |
| CN208289209U (en) * | 2018-06-11 | 2018-12-28 | 广州市腾惠超声波技术有限公司 | Three amplitude transformer ultrasonic brazing units |
| CN108787299A (en) * | 2018-06-15 | 2018-11-13 | 江苏大学 | A kind of gas helps three parameter Weibull low-frequency ultrasonic atomizing nozzle of formula |
| CN108789165A (en) * | 2018-06-25 | 2018-11-13 | 南京航空航天大学 | A kind of ultrasonic wave added abradant jet deburring device |
| CN109202114A (en) * | 2018-08-10 | 2019-01-15 | 王晨晨 | A kind of intelligent multiaxis perforating device based on Internet of Things |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109772670A (en) | 2019-05-21 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Cao Dan Inventor after: Xu Xianzhen Inventor after: Fang Bing Inventor before: Fang Bing |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200730 Address after: 266000 Shandong Province, Qingdao city Laoshan District Songling Road No. 238 Applicant after: OCEAN University OF CHINA Applicant after: QINGDAO University Address before: 245000 Sunshine Green Water Garden Community, Xin'an Avenue, Tunxi District, Huangshan City, Anhui Province Applicant before: Fang Bing |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200828 Termination date: 20210213 |