CN202210064U - Full-automatic Rockwell hardness tester - Google Patents
Full-automatic Rockwell hardness tester Download PDFInfo
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- CN202210064U CN202210064U CN2011203037137U CN201120303713U CN202210064U CN 202210064 U CN202210064 U CN 202210064U CN 2011203037137 U CN2011203037137 U CN 2011203037137U CN 201120303713 U CN201120303713 U CN 201120303713U CN 202210064 U CN202210064 U CN 202210064U
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Abstract
The utility model relates to a full-automatic Rockwell hardness tester which comprises a rack, a power transmission system, an indentation measuring structure and a control system, wherein the power transmission system comprises a servo motor, a reducer, a belt wheel and a ball screw fixed with the belt wheel, and the reducer and the belt wheel are connected by a synchronous belt; the full-automatic Rockwell hardness tester is characterized in that a barrel-shaped main shaft is fixedly arranged on a screw nut of the ball screw, a pressure head seat used for fixing a pressure head is fixedly arranged at the end part of the barrel-shaped main shaft, and the pressure head seat is connected with the barrel-shaped main shaft through a pressure sensor. With the adoption of the full-automatic Rockwell hardness tester, the pressure head can do linear movements along with the rotation of the ball screw and makes an indentation on a work piece to be tested; an accurate measurement to the displacement of the pressure head seat is realized, and the disadvantage that in the prior art, the indentation is measured by a lever through amplification is avoided; and the full-automatic Rockwell hardness tester has the advantages of high automaticity, high detection precision and high experiment efficiency.
Description
Technical field
The utility model relates to a kind of full-automatic Rockwell hardometer, in particular, relates in particular to the full-automatic Rockwell hardometer that a kind of impression measurement structure and pressing head seat directly fix.
Background technology
Rockwell hardness measurement is one of at present general hardness detection method, and rockwell hardness measurement carries out on Rockwell hardometer.Rockwell hardness measurement is divided into metal rockwell hardness measurement and metal surface rockwell hardness measurement.At present, most Rockwell hardometer can only be measured a kind of, and scleroscopic structure is comparatively complicated, is lever counterweight formula mostly, and measuring accuracy is not high.
Summary of the invention
The utility model is in order to overcome the shortcoming of above-mentioned technical matters, the full-automatic Rockwell hardometer that provides a kind of impression measurement structure and pressing head seat directly to fix.
The full-automatic Rockwell hardometer of the utility model; Comprised the control system of carrying the power-transmission system of exerting pressure, playing computing and control action to the impression measurement structure of depth of cup measurement and to whole sclerometer with the frame of supporting role, to test piece; Said power-transmission system comprises servomotor, speed reduction unit, belt wheel and the ball-screw that fixes with belt wheel; Said speed reduction unit is connected through synchronous band with belt wheel; Its special feature is: be fixed with the tubular main shaft on the screw of said ball-screw, the end of this tubular main shaft is fixed with the pressing head seat that is used for fixing pressure head, and said pressing head seat is connected with the tubular main shaft through pressure transducer.Support is used for the supporting role to power-transmission system, impression measurement structure, control system and workpiece for measurement, and power-transmission system wherein is used for acting on test piece to the acting force of servomotor output, and produces impression; The impression measurement structure realizes the measurement of depth of cup.Control system realizes the output of collection, operation of data and the control signal of signal.One end of tubular main shaft is fixed on the screw of ball-screw, and the other end is fixed on the pressing head seat, has realized that straight line moves pressing head seat along with the rotation of ball-screw, has realized exerting pressure to test piece.
The full-automatic Rockwell hardometer of the utility model, said impression measurement structure comprise along the axis direction of ball-screw be fixed on grating chi support on the frame, the grating ruler reading head that fixes with pressing head seat and be arranged on the grating chi on the grating chi support; Grating ruler reading head is fixed on the read head base, and the set inside of tubular main shaft has the stationary magazine creel that fixes with pressing head seat, and said read head base and stationary magazine creel fix.Because the support of fixed grating chi is fixed on the frame, the read head that matches with the grating chi is fixedly connected with pressing head seat through read head base, stationary magazine creel; This just makes the moving displacement of grating ruler reading head equate with the moving displacement of pressure head, the accurately measuring of the impression of having realized pressure head is produced.This impression measurement structure has changed existing lever-type measuring principle, has avoided owing to the error that amplification brought to depth of cup.
The full-automatic Rockwell hardometer of the utility model, said control system comprised computing and control action microprocessor, be used for the data acquisition module of signals collecting, signal output module that external object is controlled and the information of carrying out shows and the liquid crystal touch screen of parameter input.Microcontroller can adopt PLC controller or single-chip microcomputer, is used to realize the output of Signal Processing, data operation and control signal; Data acquisition module comprises collection of simulant signal and digital signal acquiring, for example the collection of pressure transducer output signal.Signal output module is used to control peripheral object, like the duty of servomotor; Liquid crystal touch screen can show for information about and import the control corresponding parameter.
The trapezoidal screw that the full-automatic Rockwell hardometer of the utility model, the frame of said pressing head seat below be provided with sample stage, fix with sample stage and be used to regulate the handwheel that trapezoidal screw goes up and down.Sample stage is used to place workpiece to be tested or product, through the adjusting of handwheel to trapezoidal screw, can realize the rising and the decline of sample stage.
The full-automatic Rockwell hardometer of the utility model, said synchronous band is an arc tooth synchronous belt.Adopt arc tooth synchronous belt, help guaranteeing the transmission rigidity between speed reduction unit and the belt wheel.
The beneficial effect of the utility model is: the utility model is through being inside that one end of the tubular main shaft of cavity is fixed on the screw of ball-screw; The other end is fixedly installed on the pressing head seat; Realized that effectively pressure head carries out rectilinear motion with the rotation of ball-screw, and on workpiece to be tested, produced impression; The utility model is through being fixed on the support of fixed grating chi on the frame; Directly being connected with stationary magazine creel through base with pressing head seat with read head that the grating chi matches; Realized the accurately measuring of pressing head seat moving displacement, avoided existing and come the drawback that measurement by magnification is brought to impression through lever.
Description of drawings
Fig. 1 is the full-automatic Rockwell hardometer master TV structure synoptic diagram of the utility model;
Fig. 2 is the right TV structure synoptic diagram of the full-automatic Rockwell hardometer of the utility model;
Fig. 3 is the partial enlarged drawing of the full-automatic Rockwell hardometer of the utility model.
Among the figure: 1 grating chi support, 2 grating chis, 3 U-shaped bases, 4 grating ruler reading heads, 5 servomotors, 6 speed reduction units, 7 are with synchronously; 8 belt wheels, 9 bearings, 10 control system, 11 ball-screws, 12 set collars, 13 tubular main shafts; 14 pressure transducers, 15 pressing head seats, 16 pressure heads, 17 liquid crystal touch screens, 18 sample stage, 19 trapezoidal screws; 20 protective sleeves, 21 handwheels, 22 frames, 23 stationary magazine creels, 24 read head bases, 25 fixed connection portions.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Like Fig. 1, Fig. 2 and shown in Figure 3, provided front view, right view and the local structure for amplifying synoptic diagram of the full-automatic Rockwell hardometer of the utility model respectively, it comprises frame 22, handwheel 21, protective sleeve 20, trapezoidal screw 19, sample stage 18; Servomotor 5, speed reduction unit 6, be with 7 synchronously, belt wheel 8, ball-screw 11, bearing 9, set collar 12, tubular main shaft 13, pressure transducer 14, pressing head seat 15, pressure head 16; Grating chi support 1, grating chi 2, grating ruler reading head 4, read head base 24, U-shaped base 3, fixed connection portion 25, stationary magazine creel 23; Control system 10, liquid crystal touch screen 17.Shown frame 22 is partly I-shaped, and the inside of frame 22 is cavity, so that fixing corresponding parts.Shown servomotor 5 is fixed on the frame 22; Servomotor 5 outputting powers are through after the deceleration of speed reduction unit 6; Via being with 7 to be delivered on the belt wheel 8 synchronously, belt wheel 8 can adopt arc tooth synchronous belt, so that guarantee by the rigid of transmission of servomotor 5 to belt wheel 8.Ball-screw 11 fixes with belt wheel 8, so that under the driving of belt wheel 8, ball-screw 11 can rotate; Inside is fixed on the screw of ball-screw for the upper end of the tubular main shaft 13 of cavity through set collar 12; The lower end of tubular main shaft 13 and pressure transducer 14 fix; Pressing head seat 15 is fixed on the below of pressure transducer 14; Pressure head 16 is fixedly installed on the pressing head seat (15), and pressure head 16 is used on workpiece for measurement, producing impression, and pressure transducer 14 is used to detect 16 pairs of workpiece for measurement institutes of pressure head applied pressure size.Like this, through the transmission of power effect of power drive system, just can be to pressure head 16 the transmission of torque of servomotor output, and on test piece, produce impression.
Constituted the impression measurement structure by grating chi support 1, grating chi 2, grating ruler reading head 4, read head base 24, U-shaped base 3, fixed connection portion 25, stationary magazine creel 23; Shown grating chi support 1 is fixedly installed on the frame 22, and grating chi 2 is fixed on the grating chi support; So just make that grating chi 2 is fixed with respect to frame 22.The grating ruler reading head 4 that matches with grating chi 2 is fixedly installed on the read head base 24, and read head base 24 is fixed on the U-shaped base 3, grating chi support 1 and the U-shaped hole of grating chi 2 through U-shaped base 3; Stationary magazine creel 23 is for being arranged on the tubular structure in the tubular main shaft 13, and the lower end of stationary magazine creel 23 fixes with pressing head seat 15 behind pressure transducer, and U-shaped base 3 is fixed on the upper end position place of stationary magazine creel 23 through fixed connection portion 25.So just realized being fixedly connected of grating ruler reading head 4 and pressing head seat 15; Make the moving displacement of grating ruler reading head 4 equate with the moving displacement of pressure head 16; Through cooperating of grating chi 2 and grating ruler reading head 4; Realized the accurately measuring of pressure head 16 depth of cup that produces, changed and existingly enlarged the form of depth of cup ratio, made measurement data more accurate through lever construction.
The full-automatic Rockwell hardometer novel structure of the utility model; Easy to use and reliable, power load mode and optical grating ruler measurement unit in conjunction with modern make its automatization level higher; Particularly main shaft up-down displacement energy reaches 100mm, can satisfy the quick hardness test of production.As long as (limit range is that surface of contact spacing that workpiece hardness is measured face and sample stage is 0 to 100mm to workpiece size within the specific limits; Cooperate the maximum vertically height of elevating mechanism workpiece can reach 225mm); Cooperate the workpiece automatic loading and unloading mechanism; Just can realize full-automatic the measurement, the first mate improves test efficiency, is particularly suitable for the hardness measurement demand of modern big section steel works.The utility model can carry out the measurement of HRA, HRB, HRC, HRD, HRE, HRF, HRG, HRH, HRK, HR15N, HR30N, HR45N, HR15T, HR30T, HR45T scale of hardness.Sample type is in extensive range, comprises cast iron, non-ferrous metal, wimet, hardened steel, engineering plastics, compound substance etc.The utility model can automatically switch Rockwell and surperficial Rockwell pattern, control adds unloading automatically, and the control test is tried hard to keep the time of holding.In process of the test, can show test power and time plot in real time, visual in image.Can set functions such as automatic printing, storing data automatically.The utlity model has functions such as upper and lower limit setting, screen display warning, scale conversion, data statistics, curved surface correction, be convenient to very much the quality control of production scene.
The method of application of the full-automatic Rockwell hardometer of the utility model: at first; Through manual work or automatic loading/unloading structure workpiece to be tested is placed on the sample stage 18; And the height through handwheel 21 adjustment sample stage 18, make workpiece apart from the distance of pressure head 16 in sensing range; Start servomotor 5 through control system 10 then, and pass through the retroactive effect of pressure transducer 14,16 pairs of workpiece of pressure head are exerted pressure to workpiece with the size of initial trial power; Then with master trip power workpiece is exerted pressure again, and keep a period of time greater than initial trial power; Then, become initial trial power in the test power that makes pressure head 16 apply by master trip power, and keep a period of time, removal initial trial power can be accomplished test after the image data.
Claims (5)
1. full-automatic Rockwell hardometer; Comprised the control system (10) of carrying the power-transmission system of exerting pressure, playing computing and control action to the impression measurement structure of depth of cup measurement and to whole sclerometer with the frame (22) of supporting role, to test piece; Said power-transmission system comprises servomotor (5), speed reduction unit (6), belt wheel (8) and the ball-screw (11) that fixes with belt wheel; Said speed reduction unit is connected through being with (7) synchronously with belt wheel; It is characterized in that: be fixed with tubular main shaft (13) on the screw of said ball-screw (11); The end of this tubular main shaft is fixed with the pressing head seat (15) that is used for fixing pressure head (16), and said pressing head seat is connected with tubular main shaft (13) through pressure transducer (14).
2. full-automatic Rockwell hardometer according to claim 1 is characterized in that: said impression measurement structure comprise along the axis direction of ball-screw (11) be fixed on grating chi support (1) on the frame (22), the grating ruler reading head (4) that fixes with pressing head seat (15) and be arranged on the grating chi (2) on the grating chi support; Grating ruler reading head is fixed on the read head base (24), and the set inside of tubular main shaft (13) has the stationary magazine creel (23) that fixes with pressing head seat (15), and said read head base and stationary magazine creel fix.
3. full-automatic Rockwell hardometer according to claim 1 and 2 is characterized in that: said control system (10) comprised computing and control action microprocessor, be used for the data acquisition module of signals collecting, signal output module that external object is controlled and the information of carrying out shows and the liquid crystal touch screen (17) of parameter input.
4. full-automatic Rockwell hardometer according to claim 1 and 2 is characterized in that: the trapezoidal screw (19) that the frame (22) of said pressing head seat (15) below is provided with sample stage (18), fix with sample stage and be used to regulate the handwheel (21) that trapezoidal screw goes up and down.
5. full-automatic Rockwell hardometer according to claim 1 and 2 is characterized in that: said synchronous band (7) is an arc tooth synchronous belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203037137U CN202210064U (en) | 2011-08-19 | 2011-08-19 | Full-automatic Rockwell hardness tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203037137U CN202210064U (en) | 2011-08-19 | 2011-08-19 | Full-automatic Rockwell hardness tester |
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| Publication Number | Publication Date |
|---|---|
| CN202210064U true CN202210064U (en) | 2012-05-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203037137U Expired - Fee Related CN202210064U (en) | 2011-08-19 | 2011-08-19 | Full-automatic Rockwell hardness tester |
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| CN (1) | CN202210064U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308406A (en) * | 2013-06-06 | 2013-09-18 | 成都瑞拓科技实业有限责任公司 | Coaxial pressure approaching type hardness detector |
| CN103884614A (en) * | 2014-03-14 | 2014-06-25 | 上海联尔试验设备有限公司 | Motor load measurement mechanism of Rockwell hardness tester |
| CN104807708A (en) * | 2015-05-07 | 2015-07-29 | 济南时代试金仪器有限公司 | Fully automatic Rockwell hardness meter and control method |
| CN105403473A (en) * | 2015-11-03 | 2016-03-16 | 毛国强 | Digital display Rockwell hardness tester |
| CN108195698A (en) * | 2018-03-09 | 2018-06-22 | 国电锅炉压力容器检验中心 | A kind of depth of cup measuring device |
| CN110823058A (en) * | 2019-11-25 | 2020-02-21 | 广东溢达纺织有限公司 | Roller indentation width detection device and detection method thereof |
| CN111650067A (en) * | 2020-05-13 | 2020-09-11 | 雅视特科技（杭州）有限公司 | Brinell hardness indentation automatic measurement system and measurement method thereof |
| CN117268967A (en) * | 2023-11-21 | 2023-12-22 | 上海尚轴轴承质量检测所有限公司 | Bearing tapered roller hardness detection workbench and detection and calibration method |
-
2011
- 2011-08-19 CN CN2011203037137U patent/CN202210064U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308406A (en) * | 2013-06-06 | 2013-09-18 | 成都瑞拓科技实业有限责任公司 | Coaxial pressure approaching type hardness detector |
| CN103884614A (en) * | 2014-03-14 | 2014-06-25 | 上海联尔试验设备有限公司 | Motor load measurement mechanism of Rockwell hardness tester |
| CN103884614B (en) * | 2014-03-14 | 2017-02-15 | 上海联尔试验设备有限公司 | Motor load measurement mechanism of Rockwell hardness tester |
| CN104807708A (en) * | 2015-05-07 | 2015-07-29 | 济南时代试金仪器有限公司 | Fully automatic Rockwell hardness meter and control method |
| CN105403473A (en) * | 2015-11-03 | 2016-03-16 | 毛国强 | Digital display Rockwell hardness tester |
| CN108195698A (en) * | 2018-03-09 | 2018-06-22 | 国电锅炉压力容器检验中心 | A kind of depth of cup measuring device |
| CN110823058A (en) * | 2019-11-25 | 2020-02-21 | 广东溢达纺织有限公司 | Roller indentation width detection device and detection method thereof |
| CN111650067A (en) * | 2020-05-13 | 2020-09-11 | 雅视特科技（杭州）有限公司 | Brinell hardness indentation automatic measurement system and measurement method thereof |
| CN117268967A (en) * | 2023-11-21 | 2023-12-22 | 上海尚轴轴承质量检测所有限公司 | Bearing tapered roller hardness detection workbench and detection and calibration method |
| CN117268967B (en) * | 2023-11-21 | 2024-02-02 | 上海尚轴轴承质量检测所有限公司 | Bearing tapered roller hardness detection workbench and detection and calibration method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20120502 Termination date: 20160819 |