CN202033260U - Scratch tester for linear loading - Google Patents
Scratch tester for linear loading Download PDFInfo
- Publication number
- CN202033260U CN202033260U CN201120036351XU CN201120036351U CN202033260U CN 202033260 U CN202033260 U CN 202033260U CN 201120036351X U CN201120036351X U CN 201120036351XU CN 201120036351 U CN201120036351 U CN 201120036351U CN 202033260 U CN202033260 U CN 202033260U
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- CN
- China
- Prior art keywords
- scriber
- crossbeam
- linear
- depression bar
- translation stage
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- Expired - Fee Related
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Abstract
The utility model relates to a scratch tester for detecting linear loading of a cladding critical load. The scratch awl can exert loading changing linearly according to time on workpieces and the scratch tester is convenient in operation and simple in structure. The scratch tester for the linear loading comprises a machine frame, a translation stage arranged on the machine frame and a linear loading device provided with the scratch awl. The machine frame consists of a working platform arranged horizontally, two columns vertically located on the working platform and a beam horizontally arranged on the two columns. The scratch tester for the linear loading is characterized in that the linear loading device comprises a press rod hinged with a support, a scratch awl mechanism arranged at the right end of the press rod and used for exerting the load on the cladding and a driving mechanism arranged at the left end of the press rod and capable of driving the press rod up at a uniform speed. The support is arranged on the beam, the press rod is hinged at the upper end of the support, and the scratch awl of the scratch awl mechanism is located above the translation stage.
Description
Technical field
The utility model relates to a kind of checkout equipment, is specifically related to the scratching instrument that a kind of linearity that is used to detect the coating critical load loads.
Background technology
Automatically scratching instrument is a kind of testing apparatus that detects coat binding strength, it utilizes has the top adamas scriber of smooth circular cone, delineate coating surface increasing gradually under the load, destroyed until coating, and added load (claiming critical load again) is as the tolerance of coating and substrate combinating strength when destroying with coating, and critical load is to detect a very important index of binding force of cladding material.
In order to detect critical load, two kinds of methods commonly used realize that a kind of is to determine critical load with the variation (different with normal cut, as can to produce a kind of special sound wave when coating is scratched) of calibrate AE sensor detection sound wave in the process of cut; Another kind is that a lateral force sensors is installed, by detection side to the variation (the destroyed back of coating scriber is drawn on the matrix, and coating is different materials with matrix, has different friction force) of friction force determine critical load.After having a lot of different matrix materials to plate various coating in the practical application, when cut process critical load, do not produce tangible sound wave and change and the significantly variation of side-friction force, thereby in the cut process, just can not determine critical load with said method.
In order to obtain accurate critical load, in the cut process, allow the relative scriber uniform motion of workpiece, scriber imposes the load of linear change in time to workpiece simultaneously, just can observe the coating breakdown point behind the cut, just can calculate critical load to the length of breakdown point according to the starting point of cut at microscopically.Even if in the method for two kinds of definite critical loads mentioning in front, use a linear load that loads, also give critical load determine bring great convenience.Therefore scriber is a key of determining critical load to linear loading of workpiece in the cut process, also is the problem that waits to solve.
The utility model content
Technical problem to be solved in the utility model is the deficiency that overcomes the above-mentioned background technology, a kind of linear scratching instrument that loads is provided, the scriber of this scratching instrument should be able to apply the load of linear change in time to workpiece, and have easy to operate, characteristic of simple structure, to reach the purpose of accurate Calculation critical load.
The utility model can be achieved through the following technical solutions:
A kind of linear scratching instrument that loads comprises frame, rack-mounted translation stage and the linear charger that scriber is installed; Described frame by horizontally disposed worktable, vertically be positioned at the crossbeam that two root posts, level on the worktable be installed on two columns and form; It is characterized in that: described linear charger comprise with a column articulated depression bar, be installed in the depression bar right-hand member be used for to the coating imposed load scriber mechanism, be installed in the driving mechanism that can at the uniform velocity promote depression bar straight up of depression bar left end; Described pillar vertically is installed on the crossbeam, and depression bar is hinged on the upper end of pillar; The scriber of described scriber mechanism be positioned at translation stage directly over.
Described driving mechanism comprises that one is installed in the loading motor on the crossbeam, the output shaft of loading motor is vertically arranged up, and be connected with screw rod by shaft coupling, this screw rod passed through crossbeam, other has a spring housing to be contained on this screw rod, the upper end of spring is fixed on the depression bar left end, and the lower end of spring is equipped with a slide block, and this slide block cooperates so that spring is applied with described screw rod and upwards pressure.
Described scriber mechanism comprises connecting rod, the scriber mounting rod of arranging straight down; The upper end of connecting rod is fixed on the depression bar right-hand member, is provided with a strain gauge between connecting rod and the scriber mounting rod; Scriber is positioned at the lower end of described scriber mounting rod by the scriber mount pad; This scriber mount pad comprise the pedestal that is fixed on scriber mounting rod lower end, cooperate with the line of slide rail of pedestal lower surface can before and after the scriber fixed block of horizontal sliding, described scriber is installed in the lower surface of this scriber fixed block; The bottom of pedestal also is equipped with a touch-type pressure transducer, and this touch-type pressure transducer is positioned at the end of the axis of movement of scriber fixed block, and its contact is towards the scriber fixed block.
Described translation stage is by the translation stage motor-driven, and this translation stage is the front and back uniform motion in surface level.
Described two root posts are respectively regulates column and spacing column; Regulate column and passed through crossbeam and be shaped on external thread, other has one to be used on the adjusting column of the setting nut suit crossbeam below of the described crossbeam of pushing tow upwards to regulate the crossbeam height; The smooth outer surface of spacing column, and be installed in the axle sleeve on the crossbeam.
Described crossbeam is provided with the installing plate of vertical layout, and two upper limit sensor and lower limit sensors spacing to slide block are installed on this installing plate.
Described shaft coupling is a N type shaft coupling.
Principle of work of the present utility model is:
Workpiece is positioned on the translation stage, drives its level uniform motion backward by translation stage; The start-up loading motor, slide block can move upward along screw rod, by spring depression bar is applied clockwise moment, promotes scriber through the leverage of depression bar and moves downward, and workpiece is applied straight down pressure; When the motor uniform rotation, spring at the uniform velocity is out of shape, the stressed increase of scriber, the degree of depth of cut adds the linear displacement of the slide block on the deformation construction motor lead-screw of spring, because the deflection of spring is far longer than the degree of depth of cut, scratch depth can be ignored, thus scriber positive pressure that workpiece is applied should with the direct ratio that is deformed into of spring; So under uniform motion, when the distortion of spring and the power of generation are linear, at this moment the curve of power and time also should be linear, by linear relationship, just can obtain accurate critical load.
The beneficial effects of the utility model are: the utility model is by the uniform rotation of motor, spring at the uniform velocity is out of shape, thereby make scriber apply the load of linear change in time to workpiece, just can calculate critical load according to the starting point of cut to the length of breakdown point, easy and simple to handle, testing result is accurate, can improve detection efficiency greatly; And of the present utility model simple in structure, easy to manufacture, cost is also lower.
Description of drawings
Fig. 1 is a main TV structure synoptic diagram of the present utility model.
The scriber mount pad looks up the structure enlarged diagram in Fig. 2 the utility model.
Fig. 3 be among Fig. 2 A-A to the sectional structure synoptic diagram.
Embodiment
Below in conjunction with Figure of description, the utility model is described in further detail.
As shown in Figure 1, a kind of linear scratching instrument that loads described in the utility model comprises frame, rack-mounted translation stage 4 and the linear charger that scriber is installed; Described frame by horizontally disposed worktable 19, vertically be positioned at the crossbeam 2 that two root posts, level on the worktable be installed on two columns and form; Described two root posts are respectively regulates column 15 and spacing column 14 (all passing through described crossbeam); For regulating the height of crossbeam, to adapt to different workpiece requirements, be shaped on external thread on the described adjusting column, other has on the adjusting column of setting nut 15-1 suit crossbeam below, during the turn setting nut, can make progress the pushing tow crossbeam (turn setting nut in the other direction, crossbeam by with self gravitation effect meeting to lower slider), realize that the height of crossbeam is regulated; The effect of spacing column is to prevent crossbeam swing keeping its stability, the friction force when regulating in order to reduce the crossbeam height, and the smooth outer surface of this spacing column, and be shaped on the axle sleeve 2-1 that is complementary with this spacing column on the crossbeam.Said structure is similar with conventional scratching instrument.
Improvement part of the present utility model is: described linear charger comprises scriber mechanism, driving mechanism, the depression bar 3 (pillar vertically be positioned at beam surface upper, depression bar be hinged on pillar top to form lever) hinged with pillar 12; Described driving mechanism and scriber mechanism are installed in the two ends, the left and right sides (direction is identical with Fig. 1) of depression bar respectively.
Described scriber mechanism is used for the coating imposed load, comprises connecting rod 16, the scriber mounting rod 17 arranged straight down; The upper end of connecting rod is fixed on the depression bar right-hand member, is provided with a strain gauge 6 (external computing machine can be measured the size of stress, and conventional structure is not done detailed description) between connecting rod and the scriber mounting rod; Scriber 18-2 by scriber mount pad 18 be positioned at described scriber mounting rod the lower end (scriber be positioned at translation stage directly over, translation stage in surface level before and after uniform motion, the axis of movement of scriber moves up and down in perpendicular); As Fig. 2, shown in Figure 3, this scriber mount pad comprise the pedestal 18-1 that is fixed on scriber mounting rod lower end, cooperate with the line of slide rail 18-3 of pedestal lower surface can before and after the scriber fixed block 18-4 of horizontal sliding, described scriber is installed in the lower surface of this scriber fixed block; The bottom of pedestal also is equipped with a touch-type pressure transducer 18-5 (external computing machine, can measure the size of wall pressure, conventional structure, do not do detailed description), this touch-type pressure transducer is positioned at the end of the axis of movement of scriber fixed block, and its contact is towards described scriber fixed block, and the scriber fixed block is stressed and can touches this electric shock when sliding, to measure side force.
Described driving mechanism is used at the uniform velocity promoting straight up depression bar; Comprise that one is installed in the loading motor 1 on the crossbeam, the output shaft of loading motor is vertically arranged up, and be connected with screw rod 8 by shaft coupling 9 (N type shaft coupling), this screw rod passed through crossbeam, other has a spring 13 to be sleeved on this screw rod, the upper end of spring is fixed on the depression bar left end, the lower end of spring is equipped with a slide block 7, this slide block cooperates so that spring is applied with described screw rod and upwards pressure (for anti-limited slip block rotates, can dispose a guide rail of vertically arranging in its left and right sides respectively, conventional structure, clean and tidy for making drawing, omitted among the figure and do not draw).When the loading motor uniform rotation, slide block can be along the screw rod uniform motion that makes progress, and pressuring spring at the uniform velocity is out of shape, and depression bar is applied the pressure of linear change, and this pressure finally is carried on the workpiece by the leverage of depression bar.
Described crossbeam is provided with the installing plate 20 of vertical layout, be equipped with on this installing plate two to the spacing upper limit sensor 10 of slide block and lower limit sensor 11 with the scratching instrument overload, routine techniques is not described in detail.
Described translation stage, upper limit sensor, lower limit sensor loading motor, touch-type pressure transducer buyable obtain.
Claims (7)
1. a linear scratching instrument that loads comprises frame, rack-mounted translation stage (4) and the linear charger that scriber (18-2) is installed; Described frame by horizontally disposed worktable, vertically be positioned at the crossbeam (2) that two root posts, level on the worktable (19) be installed on two columns and form; It is characterized in that: described linear charger comprise with the hinged depression bar (3) of pillar (12), be installed in the depression bar right-hand member be used for to the coating imposed load scriber mechanism, be installed in the driving mechanism that can at the uniform velocity promote depression bar straight up of depression bar left end; Described pillar vertically is installed on the crossbeam, and depression bar is hinged on the upper end of pillar; The scriber of described scriber mechanism be positioned at translation stage directly over.
2. a kind of linear scratching instrument that loads according to claim 1, it is characterized in that: described driving mechanism comprises that one is installed in the loading motor (1) on the crossbeam, the output shaft of loading motor is vertically arranged up, and be connected with screw rod (8) by shaft coupling (9), this screw rod passed through crossbeam, other has a spring (13) to be sleeved on this screw rod, the upper end of spring is fixed on the depression bar left end, the lower end of spring is equipped with a slide block (7), and this slide block cooperates so that spring is applied with described screw rod and upwards pressure.
3. a kind of linear scratching instrument that loads according to claim 1 and 2 is characterized in that: described scriber mechanism comprises connecting rod (16), the scriber mounting rod of arranging straight down (17); The upper end of connecting rod is fixed on the depression bar right-hand member, is provided with a strain gauge (6) between connecting rod and the scriber mounting rod; Scriber is positioned at the lower end of described scriber mounting rod by scriber mount pad (18); This scriber mount pad comprise the pedestal (18-1) that is fixed on scriber mounting rod lower end, cooperate with the line of slide rail (18-3) of pedestal lower surface can before and after the scriber fixed block (18-4) of horizontal sliding, described scriber is installed in the lower surface of this scriber fixed block; The bottom of pedestal also is equipped with a touch-type pressure transducer (18-5), and this touch-type pressure transducer is positioned at the end of the axis of movement of scriber fixed block, and its contact is towards described scriber fixed block.
4. a kind of linear scratching instrument that loads according to claim 3, it is characterized in that: described translation stage is driven by translation stage motor (5), and this translation stage is the front and back uniform motion in surface level.
5. a kind of linear scratching instrument that loads according to claim 4 is characterized in that: described two root posts are respectively regulates column (15) and spacing column (14); Regulate column and passed through crossbeam and be shaped on external thread, other has one to be used on the adjusting column of setting nut (15-1) the suit crossbeam below of the described crossbeam of pushing tow upwards to regulate the crossbeam height; The smooth outer surface of spacing column, and be installed in the axle sleeve (2-1) on the crossbeam.
6. a kind of linear scratching instrument that loads according to claim 5, it is characterized in that: described crossbeam is provided with the installing plate (20) of vertical layout, and two upper limit sensor (10) and lower limit sensors (11) spacing to slide block are installed on this installing plate.
7. a kind of linear scratching instrument that loads according to claim 6, it is characterized in that: described shaft coupling is a N type shaft coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120036351XU CN202033260U (en) | 2011-01-28 | 2011-01-28 | Scratch tester for linear loading |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120036351XU CN202033260U (en) | 2011-01-28 | 2011-01-28 | Scratch tester for linear loading |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202033260U true CN202033260U (en) | 2011-11-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120036351XU Expired - Fee Related CN202033260U (en) | 2011-01-28 | 2011-01-28 | Scratch tester for linear loading |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202033260U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914039A (en) * | 2014-10-28 | 2015-09-16 | 浙江吉利控股集团有限公司 | Automobile interior decoration part scratch test device |
| CN105181583A (en) * | 2015-09-21 | 2015-12-23 | 清华大学 | Environment-controllable scratch test on-site testing device and control method thereof |
| CN105699177A (en) * | 2016-03-28 | 2016-06-22 | 西南交通大学 | Scraping tester scraping head with bidirectional force measurement function |
| CN106840937A (en) * | 2017-03-27 | 2017-06-13 | 西南交通大学 | A kind of telescopic integrated measuring for scratch experiment scrapes head |
| CN107064198A (en) * | 2017-05-27 | 2017-08-18 | 吉林大学 | Range-adjustable in-situ micro-nano impression/cut test device and method |
| CN107430051A (en) * | 2014-11-07 | 2017-12-01 | 沃尔夫冈·魏因霍尔德 | Test and/or inspection equipment |
| CN108885161A (en) * | 2016-01-18 | 2018-11-23 | 赫尔穆特费舍尔股份有限公司电子及测量技术研究所 | For penetrator penetrate movement during detect measuring signal measuring device |
| CN109883790A (en) * | 2019-03-25 | 2019-06-14 | 中国飞机强度研究所 | A kind of scratch introducing device |
| CN109883864A (en) * | 2018-11-30 | 2019-06-14 | 贾建陵 | The detection device and its detection method of coating on surface of article scratch-resistant and application |
| CN110646313A (en) * | 2019-11-04 | 2020-01-03 | 郑州大学 | Self-propelled portable scratch instrument for online detection of in-service materials |
| CN112485143A (en) * | 2020-12-01 | 2021-03-12 | 李云明 | Portable building engineering quality detector |
-
2011
- 2011-01-28 CN CN201120036351XU patent/CN202033260U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104914039A (en) * | 2014-10-28 | 2015-09-16 | 浙江吉利控股集团有限公司 | Automobile interior decoration part scratch test device |
| CN104914039B (en) * | 2014-10-28 | 2017-12-29 | 浙江吉利控股集团有限公司 | A kind of automotive upholstery cut test device |
| CN107430051A (en) * | 2014-11-07 | 2017-12-01 | 沃尔夫冈·魏因霍尔德 | Test and/or inspection equipment |
| CN105181583A (en) * | 2015-09-21 | 2015-12-23 | 清华大学 | Environment-controllable scratch test on-site testing device and control method thereof |
| CN108885161A (en) * | 2016-01-18 | 2018-11-23 | 赫尔穆特费舍尔股份有限公司电子及测量技术研究所 | For penetrator penetrate movement during detect measuring signal measuring device |
| CN105699177A (en) * | 2016-03-28 | 2016-06-22 | 西南交通大学 | Scraping tester scraping head with bidirectional force measurement function |
| CN105699177B (en) * | 2016-03-28 | 2018-12-25 | 西南交通大学 | It is a kind of to scrape head to the scraping experiment instrument of power measurement function with two |
| CN106840937A (en) * | 2017-03-27 | 2017-06-13 | 西南交通大学 | A kind of telescopic integrated measuring for scratch experiment scrapes head |
| CN107064198A (en) * | 2017-05-27 | 2017-08-18 | 吉林大学 | Range-adjustable in-situ micro-nano impression/cut test device and method |
| CN109883864A (en) * | 2018-11-30 | 2019-06-14 | 贾建陵 | The detection device and its detection method of coating on surface of article scratch-resistant and application |
| CN109883790A (en) * | 2019-03-25 | 2019-06-14 | 中国飞机强度研究所 | A kind of scratch introducing device |
| CN110646313A (en) * | 2019-11-04 | 2020-01-03 | 郑州大学 | Self-propelled portable scratch instrument for online detection of in-service materials |
| CN112485143A (en) * | 2020-12-01 | 2021-03-12 | 李云明 | Portable building engineering quality detector |
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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 |
Granted publication date: 20111109 Termination date: 20180128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |