CN2708314Y - A chewing simulated fatigue-testing machine - Google Patents
A chewing simulated fatigue-testing machine Download PDFInfo
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- CN2708314Y CN2708314Y CN 200420073080 CN200420073080U CN2708314Y CN 2708314 Y CN2708314 Y CN 2708314Y CN 200420073080 CN200420073080 CN 200420073080 CN 200420073080 U CN200420073080 U CN 200420073080U CN 2708314 Y CN2708314 Y CN 2708314Y
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Abstract
The utility model discloses a chewing-simulated fatigue-testing machine which comprises a mechanical motion circulating loading device and a cold and hot water supplying device, wherein, the mechanical motion circulating loading device comprises a test piece table and a loading table which are respectively connected with a horizontal reciprocating motion mechanism and a vertical reciprocating motion mechanism; the cold and hot water supplying device comprises a pipeline system connected with a water supplying system, wherein, the pipeline system comprises a water inlet which is connected with the water supplying system when the pipeline system is used, and the pipeline system also comprises a water outlet which is arranged on the test piece table in the mechanical motion circulating loading device; the pipeline system comprises two pipelines connected in parallel, and a heater and a cooler are respectively arranged on the two pipelines so that the water outlet of the pipeline system can get hot water and/or cold water. When the chewing-simulated fatigue-testing machine is vertically loaded, the utility model can carry out horizontal grinding to more realistically simulate the stress conditions of teeth when the teeth are used in a mouth cavity so that the testing data are more real and reliable, and meanwhile, the utility model can be conveniently deformed to accomplish various common fatigue simulating tests in the mouth cavity.
Description
Technical field
The utility model provides a kind of testing machine, especially a kind of chaw simulation fatigue tester at dental prosthetic material.
Background technology
Oral environment relates to temperature variation, multiple solvent, the complex environment of microorganism.The fatigue aging of dental prosthetic material is and cold cycling that potential of hydrogen changes, the closely-related complex process of factors such as load cycle.A kind of material, a kind of actual effect of restorative procedure often need several years, the observations of decades could determine that required time is very long.Consider that from time and security aspect it is very necessary that new material, new technology are applied to carry out fatigue life test before the clinical oral.
Mostly in the past is to estimate from the physicochemical property aspect of material, and conclusion that draws thus and the material performance difference in true oral environment is very big.Therefore, the experimental facilities of actual research urgent need simulation oral conditions.
A kind of testing machine that is used for simulating masticatory movement and cold cycling situation is arranged in the prior art, but this machine has just been simulated vertical loading, the level that can not embody in chewing is ground motion, and can not observe the influence of cold cycling simultaneously.In addition, existing testing machine generally once can only carry out the fatigue experiment of a test specimen, and efficient is lower.
Summary of the invention
The purpose of this utility model is to improve deficiency of the prior art, a kind of energy synchronization implementation cold cycling is provided, and can carries out the multi-functional artificial oral cavity chaw simulation fatigue tester that level is ground when carrying out vertical loading.
Further aim of the present invention is to provide a kind of chaw simulation fatigue tester that can carry out many group specimen tests simultaneously.
The purpose of this utility model is achieved in that
The chaw simulation fatigue tester that the utility model provides comprises mechanical motion CYCLIC LOADING device and hot and cold water feedway,
Described mechanical motion CYCLIC LOADING device comprises specimen stage and loading bench, and described specimen stage can be located on the frame with moving horizontally, and it is connected with horizontal reciprocating movement mechanism, and this specimen stage is provided with jig; But be located on the frame to described loading bench vertical moving, mechanism is connected with up-and-down movement, this loading bench is provided with loading head, it is corresponding with the described jig position on the described specimen stage, simultaneously, the stroke of the width of this loading head and the tangential movement of described specimen stage is complementary, so that when this loading head pumps, tooth on the specimen stage jig that is fixed on horizontal reciprocating movement or dummy test specimen are exerted pressure, on this loading head, be provided with counterweight, can change and regulate load;
Described hot and cold water feedway comprises the pipe system that is connected with water system, comprising a water inlet, is connected with water system in the use; Also comprise a water delivering orifice, this water delivering orifice is located on the specimen stage in the described mechanical motion CYCLIC LOADING system; In this pipe system, comprise two in parallel pipelines, be respectively equipped with well heater and refrigeratory on these two pipelines, make that the water delivering orifice in described pipe system can obtain hot water and/or cold water.
The chaw simulation fatigue tester that the utility model provides, because specimen stage wherein is connected with a horizontal reciprocating movement mechanism, make the test specimen horizontal reciprocating movement in the ringing power of the vertical direction of bearing loading head on the specimen stage, promptly carry out level and grind the stressed stressing conditions of chewing that more levels off in the oral cavity of test specimen.In addition, by adjusting, can simulate in the oral cavity and the food temperature that tooth contacted situation just to well heater in the hot and cold water feedway and refrigeratory.
Connect head toothbrushes on described loading head, it is pressed on the test specimen on the testing table, the described horizontal reciprocating movement of individual drive mechanism, and at this moment, this testing machine has the function of the test that the level of can doing separately grinds, and promptly available testing machine implements to brush teeth simulation.
On described loading head, be provided with clamper, clamping artificial tooth on it, fixing teeth on the correspondence position of described specimen stage, the described up-and-down movement of individual drive mechanism, at this moment, this testing machine just can carry out artificial tooth and pluck and wear torture test.
In order to implement the mutual conversion of above-mentioned several tests easily, even drive described horizontal reciprocating movement mechanism and up-and-down movement mechanism simultaneously, or individual drive described horizontal reciprocating movement mechanism or up-and-down movement mechanism, described horizontal reciprocating movement mechanism preferably is connected the physical construction that drives with up-and-down movement mechanism with same main shaft, particularly, can be following structure:
On frame, be provided with motor, on described motor output shaft, be provided with gearing and connect a main shaft of being located on the frame, described gearing can be mechanisms such as belt transmission, on described main shaft, be provided with two excentric shafts, described testing table places on the frame movably, on this testing table and the described main shaft one of them excentric shaft hinged; Described loading bench is set on the vertical guide pillar, and another excentric shaft on this loading bench and the described main shaft is hinged.
When implementing to brush teeth simulation or similar test with this testing machine, the articulated structure that will be connected excentric shaft with described loading bench splits, establish head toothbrushes on the described loading head, and the counterweight that is equipped with constant weight is pressed on the test specimen on the described testing table, start described motor, the described horizontal reciprocating movement of individual drive mechanism, at this moment, this testing machine just can have the function that can do horizontal grinding test separately, the simulation of brushing teeth.
When carrying out artificial tooth, plucks when wearing torture test by this testing machine, the articulated structure of the excentric shaft that will be connected with described testing table splits, on described loading head, be provided with and be used for the clamper of clamping artificial tooth, therewith accordingly, correspondence is provided with the denture retention abutment on described testing table, start described motor, the described up-and-down movement of individual drive mechanism can implement to pluck and wear the artificial tooth torture test.
The chaw simulation fatigue tester that the utility model provides has the following advantages compared with the prior art:
1, can carry out level in vertical loading and grind, simulated the stressing conditions when tooth uses more realistically in the oral cavity, test figure is more true and reliable.
2, further, by same main shaft drives horizontal reciprocating movement mechanism and up-and-down movement mechanism, the level behind the vertical contact tooth of having guaranteed is ground simulation in the carrying of oral cavity inner teeth gear and the verisimilitude and the accuracy of grinding.Adopt to connect two connecting rods driving horizontal reciprocating movement mechanisms and up-and-down movement mechanism on the same crankwheel, its structure is very simple, operates also very convenient.
3, the mechanical driving device that this testing machine adopted is coaxial drive level and up-and-down movement structure, and this structure can make this testing machine modification easily, carries out the multiple torture test commonly used in field, oral cavity.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
The structural representation of mechanical motion CYCLIC LOADING device in the chaw simulation fatigue tester that Fig. 1 provides for the utility model;
Fig. 2 is the structural representation of hot and cold water feedway in this chaw simulation fatigue tester.
Embodiment
As illustrated in fig. 1 and 2, the chaw simulation fatigue tester that the utility model provides comprises mechanical motion CYCLIC LOADING device A and hot and cold water feedway B,
Mechanical motion CYCLIC LOADING device A as shown in Figure 1, stepper motor 1 drives main shaft by belt transmission 101 and rotates 2, main shaft 2 is provided with two excentric shafts 3 and 4, an excentric shaft 3 makes loading bench 5 do vertical movement up and down on the vertically-guided post 6 that is fixed on the frame 0 by connecting rod 31, realizes CYCLIC LOADING up and down; Another excentric shaft 4 makes specimen stage 7 do the front and back tangential movement on frame by connecting rod 41, and simulation is chewed the level that goes up in the process after lower teeth contacts and slided.The scope of vertical movement and tangential movement is determined by the distance between excentric shaft axle center and the spindle axis; The CYCLIC LOADING frequency is determined with the diameter proportion of active arbor wheel by motor speed and motor wheel; The effect precedence of tangential movement and vertical movement can be set by the adjustment of the angle between two described excentric shafts.Be provided with loading head 51 on loading bench 5, be provided with the device 52 of fixed weight piece on loading head, the magnitude of load of vertical loading is determined by balancing weight.
Establish the fixedly water delivering orifice 9 of hot and cold water feedway B of support 8 supporting on frame 0, water delivering orifice 9 is located on the specimen stage 7 in the described mechanical motion CYCLIC LOADING system.The wall that is provided with sealing around the testing table 7 constitutes water storage tank, is provided with discharge opening 70 at bottom land.As shown in Figure 2, hot and cold water feedway B also comprises a water inlet 10, be connected with water system in the use, water inlet 10 connects a pipe system, two pipelines 11 and 12 comprising parallel connection, be respectively equipped with well heater 13 and refrigeration unit 14 on these two pipelines, make that the water delivering orifice 9 in described pipe system can obtain hot water and/or cold water.Refrigeration unit 14 comprises that evaporator 144 places pipeline 12 by compressor 141, heating radiator 142, condenser pipe 143 and evaporator 144, the self-actuated controller (not shown) that also is provided with temperature sensor and compressor 141 is controlled in pipeline 12.Well heater 13 comprises an electric heater 131, also comprises a temperature controller (not shown).Water delivering orifice 9 one sides in pipeline 11 and 12 are provided with the break-make of solenoid valve 111 and 121 control hot and cold waters.
In addition, this chaw simulation fatigue tester also comprises the Mechatronic control system (not shown).Comprising total power switch control complete machine power supply, refrigeration unit gauge tap, water heater gauge tap are controlled refrigeration and heating respectively.Solenoid valve on the cycle time relay connecting line 11 and 12, the break-make of control hot and cold water.The motor switch Control Circulation loads and tangential movement. and manually control is adopted in the startup of this machine, starts back Automatic Cycle work.
Have again, this testing machine also comprises the number system (not shown), this system is made up of electromagnetic proximity switch, time pulse relay, electronic digit relay, move near the inductive switching loading bench, each cycle is sent a pulse, after relay filtering, signal is passed to counter, the cycle index of record load.
When implementing to brush teeth simulation with this testing machine, the articulated structure of the excentric shaft 3 that will be connected with loading bench 5 splits, establish head toothbrushes on the loading head 51, and the counterweight 52 that is equipped with constant weight is pressed on the test specimen 71 on the testing table 7, starter motor 1, individual drive horizontal reciprocating movement mechanism, at this moment, this testing machine just has the function that can do horizontal grinding test separately, the simulation of brushing teeth.
When carrying out artificial tooth, plucks when wearing torture test by this testing machine, the articulated structure of the excentric shaft 4 that will be connected with testing table 7 splits, on loading head 51, be provided with and be used for the clamper of clamping artificial tooth, therewith accordingly, correspondence is provided with the denture retention abutment on testing table 7, starter motor 1, the described up-and-down movement of individual drive mechanism can implement to pluck and wear the artificial tooth torture test.
This chaw simulation fatigue tester can be finished ten thousand CYCLIC LOADING of 50-100 in 5-10 days, 5,000-10,000 cold cycling, the fatigue aging situation of simulation material and dummy 3-5 under the oral cavity function state.This testing machine is easy and simple to handle, and is stable, than real simulated masticatory movement and cold cycling, be the oral cavity new material, the utilization of novel technical method provides reliable test condition.
Claims (3)
1, a kind of chaw simulation fatigue tester is characterized in that: comprise mechanical motion CYCLIC LOADING device and hot and cold water feedway,
Described mechanical motion CYCLIC LOADING device comprises specimen stage and loading bench, and described specimen stage can be located on the frame with moving horizontally, and it is connected with horizontal reciprocating movement mechanism, and this specimen stage is provided with jig; But be located on the frame to described loading bench vertical moving, mechanism is connected with up-and-down movement, this loading bench is provided with loading head, it is corresponding with the described jig position on the described specimen stage, simultaneously, the stroke of the width of this loading head and the tangential movement of described specimen stage is complementary, so that when this loading head pumps, the tooth test specimen that fixes on the specimen stage jig of horizontal reciprocating movement is exerted pressure, on this loading head, be provided with counterweight;
Described hot and cold water feedway comprises the pipe system that is connected with water system, comprising a water inlet, is connected with water system in the use, also comprises a water delivering orifice, and this water delivering orifice is located on the specimen stage in the described mechanical motion CYCLIC LOADING system; In this pipe system, comprise two in parallel pipelines, be respectively equipped with well heater and refrigeratory on these two pipelines, make that the water delivering orifice in described pipe system can obtain hot water and/or cold water.
2, chaw simulation fatigue tester according to claim 1 is characterized in that: described horizontal reciprocating movement mechanism is connected with same drive shaft with up-and-down movement mechanism.
3, chaw simulation fatigue tester according to claim 2, it is characterized in that: the structure of described horizontal reciprocating movement mechanism and up-and-down movement mechanism is: be provided with motor on described frame, be provided with main shaft of being located on the described frame of gearing connection on the described motor output shaft, on described main shaft, be provided with two excentric shafts, one of them excentric shaft on this testing table and the described main shaft is hinged, described loading bench is set on the vertical guide pillar that is fixed on the described frame, and another excentric shaft on this loading bench and the described main shaft is hinged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073080 CN2708314Y (en) | 2004-07-06 | 2004-07-06 | A chewing simulated fatigue-testing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420073080 CN2708314Y (en) | 2004-07-06 | 2004-07-06 | A chewing simulated fatigue-testing machine |
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| CN2708314Y true CN2708314Y (en) | 2005-07-06 |
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| CN 200420073080 Expired - Fee Related CN2708314Y (en) | 2004-07-06 | 2004-07-06 | A chewing simulated fatigue-testing machine |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413856B (en) * | 2007-10-16 | 2011-10-05 | 上海衡仪器厂有限公司 | Solid body food mechanical texture characteristic tester |
| CN102375047A (en) * | 2011-07-15 | 2012-03-14 | 西南交通大学 | Method for determining release of chewing medicament and special chewing device thereof |
| CN102841028A (en) * | 2012-08-27 | 2012-12-26 | 南京理工大学 | Oral environment simulation test machine |
| CN103226911A (en) * | 2013-04-08 | 2013-07-31 | 东华大学 | Simulation tooth brushing device for abrasion resistance testing of dental prosthetic material |
| CN103364284A (en) * | 2013-05-21 | 2013-10-23 | 广州中国科学院先进技术研究所 | Fatigue test device used under dental implant bionic environment |
| CN103487323A (en) * | 2012-06-13 | 2014-01-01 | 张胜南 | Extrusion testing device |
| CN104458458A (en) * | 2014-12-04 | 2015-03-25 | 东莞市真诚刷业有限公司 | Tester for testing durability of tooth brush hairs |
| CN105547881A (en) * | 2015-11-20 | 2016-05-04 | 刘毅 | Simulated tooth brushing apparatus used for testing wear resistance of oral restoration material |
| CN105699219A (en) * | 2016-01-27 | 2016-06-22 | 工业和信息化部电信研究院 | Testing method for simulating biting of rodents |
| CN106053204A (en) * | 2016-05-13 | 2016-10-26 | 东北电力大学 | Mechanical detection device based on bionic oral cavity |
| CN106053730A (en) * | 2016-07-14 | 2016-10-26 | 云南中烟工业有限责任公司 | Full simulation chewing machine |
| CN106644798A (en) * | 2017-03-09 | 2017-05-10 | 吉林大学 | Chewing simulation abrasion testing machine |
| CN108458870A (en) * | 2018-06-11 | 2018-08-28 | 重庆医科大学附属口腔医院 | Snap ring takes the clinical emulation data capture method and device for wearing model repeatedly |
| CN110186801A (en) * | 2019-07-02 | 2019-08-30 | 北京大学口腔医学院 | Chewing simulating formula composite resin material abrasiometer |
| WO2020096551A1 (en) * | 2018-11-08 | 2020-05-14 | Atatürk Üni̇versi̇tesi̇ Bi̇li̇msel Araştirma Projeleri̇ Bi̇ri̇mi̇ | A chewing simulator |
| CN111487125A (en) * | 2020-04-23 | 2020-08-04 | 黄玉梅 | Clamp for dynamic fatigue test of dental implant |
| CN111487146A (en) * | 2020-04-23 | 2020-08-04 | 黄玉梅 | Automatic testing device for dynamic fatigue of dental implant |
| WO2021000529A1 (en) * | 2019-07-02 | 2021-01-07 | 北京大学口腔医学院 | Chewing-mimicking-type composite resin material abrasion tester and operating method therefor |
-
2004
- 2004-07-06 CN CN 200420073080 patent/CN2708314Y/en not_active Expired - Fee Related
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101413856B (en) * | 2007-10-16 | 2011-10-05 | 上海衡仪器厂有限公司 | Solid body food mechanical texture characteristic tester |
| CN102375047A (en) * | 2011-07-15 | 2012-03-14 | 西南交通大学 | Method for determining release of chewing medicament and special chewing device thereof |
| CN102375047B (en) * | 2011-07-15 | 2014-10-08 | 西南交通大学 | Method for determining release of chewing medicament and special chewing device thereof |
| CN103487323A (en) * | 2012-06-13 | 2014-01-01 | 张胜南 | Extrusion testing device |
| CN102841028B (en) * | 2012-08-27 | 2014-06-11 | 南京理工大学 | Oral environment simulation test machine |
| CN102841028A (en) * | 2012-08-27 | 2012-12-26 | 南京理工大学 | Oral environment simulation test machine |
| CN103226911A (en) * | 2013-04-08 | 2013-07-31 | 东华大学 | Simulation tooth brushing device for abrasion resistance testing of dental prosthetic material |
| CN103364284A (en) * | 2013-05-21 | 2013-10-23 | 广州中国科学院先进技术研究所 | Fatigue test device used under dental implant bionic environment |
| CN103364284B (en) * | 2013-05-21 | 2015-05-13 | 陈贤帅 | Fatigue test device used under dental implant bionic environment |
| CN104458458A (en) * | 2014-12-04 | 2015-03-25 | 东莞市真诚刷业有限公司 | Tester for testing durability of tooth brush hairs |
| CN105547881A (en) * | 2015-11-20 | 2016-05-04 | 刘毅 | Simulated tooth brushing apparatus used for testing wear resistance of oral restoration material |
| CN105547881B (en) * | 2015-11-20 | 2018-03-30 | 刘毅 | One kind is used for simulation tooth brushing device for abrasion resistance testing of dental prosthetic material |
| CN105699219A (en) * | 2016-01-27 | 2016-06-22 | 工业和信息化部电信研究院 | Testing method for simulating biting of rodents |
| CN106053204A (en) * | 2016-05-13 | 2016-10-26 | 东北电力大学 | Mechanical detection device based on bionic oral cavity |
| CN106053730A (en) * | 2016-07-14 | 2016-10-26 | 云南中烟工业有限责任公司 | Full simulation chewing machine |
| CN106053730B (en) * | 2016-07-14 | 2018-07-17 | 云南中烟工业有限责任公司 | A kind of full analogue simulation chewing machine |
| CN106644798A (en) * | 2017-03-09 | 2017-05-10 | 吉林大学 | Chewing simulation abrasion testing machine |
| CN108458870A (en) * | 2018-06-11 | 2018-08-28 | 重庆医科大学附属口腔医院 | Snap ring takes the clinical emulation data capture method and device for wearing model repeatedly |
| WO2020096551A1 (en) * | 2018-11-08 | 2020-05-14 | Atatürk Üni̇versi̇tesi̇ Bi̇li̇msel Araştirma Projeleri̇ Bi̇ri̇mi̇ | A chewing simulator |
| CN110186801A (en) * | 2019-07-02 | 2019-08-30 | 北京大学口腔医学院 | Chewing simulating formula composite resin material abrasiometer |
| WO2021000529A1 (en) * | 2019-07-02 | 2021-01-07 | 北京大学口腔医学院 | Chewing-mimicking-type composite resin material abrasion tester and operating method therefor |
| DE112019000100B4 (en) | 2019-07-02 | 2023-05-17 | Peking University School And Hospital Of Stomatology | Abrasion testing machine for testing a composite resin material by chewing simulation and its operation method |
| CN111487125A (en) * | 2020-04-23 | 2020-08-04 | 黄玉梅 | Clamp for dynamic fatigue test of dental implant |
| CN111487146A (en) * | 2020-04-23 | 2020-08-04 | 黄玉梅 | Automatic testing device for dynamic fatigue of dental implant |
| CN111487146B (en) * | 2020-04-23 | 2021-06-15 | 黄玉梅 | Automatic testing device for dynamic fatigue of dental implant |
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