CN208366742U - A kind of measuring device of the abrasive grain bond strength of fixed grain tool - Google Patents
A kind of measuring device of the abrasive grain bond strength of fixed grain tool Download PDFInfo
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- CN208366742U CN208366742U CN201820395061.6U CN201820395061U CN208366742U CN 208366742 U CN208366742 U CN 208366742U CN 201820395061 U CN201820395061 U CN 201820395061U CN 208366742 U CN208366742 U CN 208366742U
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- abrasive grain
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- grain
- bond strength
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Abstract
The utility model provides a kind of measuring device of the abrasive grain bond strength of fixed grain tool, comprising: data collection system (1), host computer and display (2), microscope (3), fixed frame for microscope (4), support frame (5), twin shaft micromotion platform (6), abrasive grain coupon (8), flat-nose pliers (9), three-dimensional dynamometer (10), slide unit (11), optical flat (12)；Microscope (3) is slidably connected with the fixed frame for microscope (4), realizes that the microscope (3) is moved forward and backward on the fixed frame for microscope (4)；The fixed frame for microscope (4) is slidably connected in the vertical direction with support frame as described above (5), moves up and down the fixed frame for microscope (4) on support frame as described above (5)；It can get fixed grain bond strength using the technical program, realization observes and records failure procedure and failure mode of the abrasive grain in shearing, and measurement range is extensive, strong operability.
Description
Technical field
The utility model relates to the field of tool manufacture, in particular to a kind of abrasive grain bond strengths of fixed grain tool
Measuring device.
Background technique
For there is the millgrain tool of certain exposure such as brazed diamond tool, during preparing tool, abrasive grain is combined
The evaluation of intensity is a problem all the time.It is existing to comment there are mainly three types of methods, bend test, tension test and shearing examination
It tests.Physically, tensile strength more can directly reflect the power of associative key on material interface, i.e., reflection binding force is big
It is small, it can get accurate interface bond strength value.But such method can only test standard sample, for Buddha's warrior attendant lapicide
For tool, need that tension test could be completed with large single crystal, this causes expensive, it is difficult to promote.Bend test is to sintered gold
The evaluation of hard rock tool is more, but bending strength is difficult to characterize matrix and the true bond strength at grit particles interface.Mill
Failure mode of the grain in grinding process causes abrasive grain to destroy the shearing force even to fall off and is exactly mainly based on failure by shear
Its main cause, the soldering strength of abrasive grain bond strength such as diamond tool is characterized with the size of shearing force, more meets mill
The actual cut state of grain.But the operating method of system is not yet proposed to abrasive grain progress shearing test at present and is not surveyed specially
Measure equipment.
Utility model content
The purpose of the utility model is to overcome above-mentioned deficiencies in the prior art, provide a kind of mill of fixed grain tool
The measuring device and method of grain bond strength；It is realized while fixed grain bond strength can be obtained and observes and records abrasive grain examination
Failure procedure and failure mode of the sample block in shearing, measurement range is extensive, strong operability.
In order to solve the above-mentioned technical problem, the utility model provides a kind of abrasive grain bond strength of fixed grain tool
Measuring device, comprising:
Data collection system (1), host computer and display (2), microscope (3), fixed frame for microscope (4), support frame
(5), twin shaft micromotion platform (6), abrasive grain coupon (8), flat-nose pliers (9), three-dimensional dynamometer (10), slide unit (11), optical flat
(12), abrasive grain (13)；
The data collection system (1) connect with the host computer and display (2), three-dimensional dynamometer (10)；It is micro-
Mirror (3) is connect with host computer and display (2)；Microscope (3) is slidably connected with the fixed frame for microscope (4), realizes institute
Microscope (3) is stated to be moved forward and backward on the fixed frame for microscope (4)；The fixed frame for microscope (4) and support frame as described above (5)
It is slidably connected in the vertical direction, moves up and down the fixed frame for microscope (4) on support frame as described above (5)；Twin shaft fine motion
Platform (6) is mounted on support frame as described above (5)；Blade (7) are installed along the vertical direction on the twin shaft micromotion platform (6)；Branch
Support (5) and slide unit (11) are mounted on the optical flat (12)；Three-dimensional dynamometer (10) is mounted on the slide unit (11)；
Flat-nose pliers (9) is mounted on the three-dimensional dynamometer (10)；Abrasive grain coupon (8) is mounted on flat-nose pliers (9), the abrasive grain examination
The upper surface of sample block (8) is located at the position for being positioned vertically higher than the upper surface of flat-nose pliers (9).
In a preferred embodiment, the maximum thrust that the slide unit (11) is capable of providing is greater than 500N, loading velocity model
Enclose is 0.001 to 1000mm/min.
In a preferred embodiment, the twin shaft micromotion platform (6) drives the upper and lower of the blade (7) and left and right to move
Dynamic, shift motion is ± 6.5mm, and mobile accuracy is 10 μm, can bear maximum load and be greater than 500N.
In a preferred embodiment, microscope (3) diameter is less than 7mm, realizes that amplification factor range is 1~500
Times；The host computer and display (2) to knife and record abrasive grain (13) clipper on abrasive grain coupon (8) for micro-
Whole process.
In a preferred embodiment, the blade (7) is fixed by a cutter and the twin shaft micromotion platform (6), institute
The knife bar material for stating cutter is hard alloy, and blade (7) width is 1.5mm.
Compared to the prior art, the technical solution of the utility model have it is following the utility model has the advantages that
The intensity of abrasive grain combination is characterized by measuring the size of its shearing force.The detection device of the utility model can not only
The size of shearing force to knife and is enough measured to tiny abrasive grain by microscope, additionally it is possible to observe and record abrasive grain in shear history
In failure procedure and failure mode, measurement range is extensive, strong operability, this to evaluation with optimization millgrain tool preparation process
Play a significant role.
The utility model use slide unit 0.001~1000mm/min of loading velocity, be able to achieve abrasive grain it is quasi-static, dynamic
Clipper.Host computer and display are connected using microscope, solves the problems, such as that abrasive grain is small to knife hardly possible, operates very easy.It is logical
Movement overall process of abrasive grain coupon during clipper can also be observed and recorded by crossing microscope, this is conducive to subsequent analysis mill
Grain failure procedure and form.
Detailed description of the invention
Fig. 1 is the structure of the measuring device of the abrasive grain bond strength of fixed grain tool in the preferred embodiment in the utility model
Schematic diagram；
Fig. 2 is the enlarged diagram in the preferred embodiment in the utility model below blade (7)；
Fig. 3 is that the measurement method process of the abrasive grain bond strength of fixed grain tool in the preferred embodiment in the utility model is shown
It is intended to.
Utility model
Specific embodiment
The utility model is described further below in conjunction with the drawings and specific embodiments.
A kind of measuring device of the abrasive grain bond strength of fixed grain tool, the abrasive grain of the fixed grain tool combine strong
The measuring device of degree specifically includes that data collection system 1, host computer and display 2, microscope 3, shows as shown in Fig. 1 to 2
Micro mirror fixed frame 4, support frame 5, twin shaft micromotion platform 6, abrasive grain coupon 8, flat-nose pliers 9, three-dimensional dynamometer 10, slide unit 11, light
Learn plate 12, abrasive grain 13；The specifications and models of microscope 3 are numerous, and the microscope 3 selected in the present embodiment is specially USB microscope.
Connection shutdown and positional relationship between above-mentioned main element is as described below: the data collection system 1 respectively with
The host computer and display 2, three-dimensional dynamometer 10 connect；It is micro- in order to solve the problems, such as that abrasive grain coupon 8 is small to knife hardly possible
Mirror 3 is connect with host computer and display 2；Microscope 3 is slidably connected with the fixed frame for microscope 4, realizes the microscope 3
It is moved forward and backward on the fixed frame for microscope 4；The fixed frame for microscope 4 slides in the vertical direction with support frame as described above 5
Connection, moves up and down the fixed frame for microscope 4 on support frame as described above 5；Thus realize that adjusting the microscope fixes
4 support frame 5 of frame can adjust the position of the microscope 3；Twin shaft micromotion platform 6 is mounted on support frame as described above 5；It is described double
Blade 7 is installed along the vertical direction, the blade 7 is solid by a cutter and the twin shaft micromotion platform 6 on axis micromotion platform 6
Fixed, the knife bar material of the cutter is hard alloy, and 7 width of blade is 1.5mm；Support frame 5 and slide unit 11 are mounted on institute
It states on optical flat 12；Three-dimensional dynamometer 10 is mounted on the slide unit 11；Flat-nose pliers 9 is mounted on the three-dimensional dynamometer 10
On；Abrasive grain coupon 8 is mounted on flat-nose pliers 9, and the upper surface of the abrasive grain coupon 8, which is located at, is positioned vertically higher than flat mouth
The position of the upper surface of pincers 9.
Specifically, the maximum thrust that the slide unit 11 is capable of providing is greater than 500N, in order to realize on abrasive grain coupon 8
Abrasive grain 13 is quasi-static, dynamic clipper loading velocity range is 0.001 to 1000mm/min.The twin shaft micromotion platform 6 drives institute
It states the upper and lower of blade 7 and moves left and right, shift motion is ± 6.5mm, and mobile accuracy is 10 μm, can bear maximum load and be greater than
500N.3 diameter of microscope is less than 7mm, realizes that amplification factor range is 1~500 times；The host computer and display
2 to knife and record the whole process of 13 clipper of abrasive grain on abrasive grain coupon 8 for micro-.This equipment is by measuring its shearing force
Size characterize the intensity of the combination of the abrasive grain 13 on abrasive grain coupon 8, tiny abrasive grain can not only be tried by microscope 3
Abrasive grain 13 on sample block 8 is to knife and measures the size of shearing force, additionally it is possible to observe and record the abrasive grain 13 on abrasive grain coupon 8
Failure procedure and failure mode in shear history, measurement range is extensive, strong operability, this is to evaluation and optimization abrasive grain work
Tool preparation process plays a significant role.
The specific structure of the measuring device of the abrasive grain bond strength of millgrain tool is described above, is set forth below and how to utilize
The measuring device of the abrasive grain bond strength of above-mentioned millgrain tool completes the measurement of the abrasive grain bond strength of fixed grain tool；With reference to
Fig. 3, specifically includes the following steps:
(1) abrasive grain coupon 8 is made, by 8 clamping of abrasive grain coupon in flat-nose pliers 9；
For better experiment effect, this experiment fast to abrasive grain sample 8 has claimed below: on the abrasive grain coupon 8
Abrasive grain 13 includes diamond, cubic boron nitride superhard abrasive material, also includes the conventional abrasive materials such as corundum, silicon carbide；The abrasive grain sample
Block 8 has well-regulated shape, such as cube or cylindrical body；13 granularity of abrasive grain on the abrasive grain coupon 8 is located at 50~20 mesh
Between, and wear particle size is identical；Thickness >=3mm of the abrasive grain coupon 8；Width < 32mm, length < 40mm or diameter
< 32mm；13 granularity of abrasive grain on the abrasive grain coupon 8 is all the same and has the same proud exposure.
(2) center that twin shaft micromotion platform 6 makes the abrasive grain 13 on abrasive grain coupon 8 be in blade 7 is adjusted；Institute
State the width that the interval between the abrasive grain 13 on abrasive grain coupon 8 is greater than blade 7.
(3) adjusting 3 position of microscope is presented in the abrasive grain 13 on abrasive grain coupon 8 clearly in 3 visual field of microscope；
(4) with twin shaft micromotion platform 6 be arranged abrasive grain coupon 8 on 13 clipper height h of abrasive grain and fix blade 7；Mill
Grain clipper height h is on the basis of 8 matrix surface of abrasive grain coupon, and the numerical value of the setting abrasive grain clipper height h is real every time
It is the same for testing.
(5) setting abrasive grain coupon 8 moves starting point and 11 loading velocity of slide unit；
(6) start to acquire force signal with three-dimensional dynamometer 10 and open 3 recording function of microscope；Three dynamometry
It is 1000-20000Hz that instrument 10, which acquires sample frequency used in force signal,.
(7) starting slide unit 11 allows 8 setting in motion of abrasive grain coupon；The movement starting of abrasive grain 13 on abrasive grain coupon 8 is set
Point is in the horizontal direction apart from 5~10mm of point of a knife；11 velocity interval of slide unit is 0.001 to 0.5mm/min.
(8) movement of abrasive grain coupon 8 stops acquisition force signal and video recording after stopping；
(9) reserve force signal data and abrasive grain coupon 8 move overall process video.
0.001~the 1000mm/min of loading velocity for the slide unit 11 that the utility model uses, is able to achieve on abrasive grain coupon 8
Abrasive grain 13 is quasi-static, dynamic clipper.Host computer and display 2 are connected using microscope 3, solved on abrasive grain coupon 8
The small problem to knife hardly possible of abrasive grain 13, operate it is very easy.Abrasive grain coupon 8 can also be observed and recorded by microscope 3 to exist
Movement overall process during clipper, this is conducive to 13 failure procedure of abrasive grain and form on subsequent analysis abrasive grain coupon 8.
The preferable specific embodiment of the above, only the utility model, but the design concept of the utility model is not
It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, utilizes this design
The change that unsubstantiality is carried out to the utility model belongs to the behavior for invading scope of protection of the utility model.
Claims (5)
1. a kind of measuring device of the abrasive grain bond strength of fixed grain tool characterized by comprising
Data collection system (1), host computer and display (2), microscope (3), fixed frame for microscope (4), support frame (5),
Twin shaft micromotion platform (6), abrasive grain coupon (8), flat-nose pliers (9), three-dimensional dynamometer (10), slide unit (11), optical flat (12),
Abrasive grain (13)；
The data collection system (1) connect with the host computer and display (2), three-dimensional dynamometer (10)；Microscope (3)
It is connect with host computer and display (2)；Microscope (3) is slidably connected with the fixed frame for microscope (4), realizes described micro-
Mirror (3) is moved forward and backward on the fixed frame for microscope (4)；The fixed frame for microscope (4) is with support frame as described above (5) vertical
It is slidably connected on direction, moves up and down the fixed frame for microscope (4) on support frame as described above (5)；Twin shaft micromotion platform (6)
It is mounted on support frame as described above (5)；Blade (7) are installed along the vertical direction on the twin shaft micromotion platform (6)；Support frame (5)
It is mounted on the optical flat (12) with slide unit (11)；Three-dimensional dynamometer (10) is mounted on the slide unit (11)；Flat-nose pliers
(9) it is mounted on the three-dimensional dynamometer (10)；Abrasive grain coupon (8) is mounted on flat-nose pliers (9), the abrasive grain coupon
(8) upper surface is located at the position for being positioned vertically higher than the upper surface of flat-nose pliers (9).
2. the measuring device of the abrasive grain bond strength of fixed grain tool according to claim 1, which is characterized in that described
The maximum thrust that slide unit (11) is capable of providing is greater than 500N, and loading velocity range is 0.001 to 1000mm/min.
3. the measuring device of the abrasive grain bond strength of fixed grain tool according to claim 1, which is characterized in that described
Twin shaft micromotion platform (6) drives the upper and lower of the blade (7) and moves left and right, and shift motion is ± 6.5mm, mobile accuracy 10
μm, maximum load can be born and be greater than 500N.
4. the measuring device of the abrasive grain bond strength of fixed grain tool according to claim 1, which is characterized in that described
Microscope (3) diameter is less than 7mm, realizes that amplification factor range is 1~500 times；The host computer and display (2) are used for
It is micro- to knife and to record the whole process of abrasive grain (13) clipper on abrasive grain coupon (8).
5. the measuring device of the abrasive grain bond strength of fixed grain tool according to claim 1, which is characterized in that described
Blade (7) is fixed by a cutter and the twin shaft micromotion platform (6), and the knife bar material of the cutter is hard alloy, described
Blade (7) width is 1.5mm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395061.6U CN208366742U (en) | 2018-03-22 | 2018-03-22 | A kind of measuring device of the abrasive grain bond strength of fixed grain tool |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820395061.6U CN208366742U (en) | 2018-03-22 | 2018-03-22 | A kind of measuring device of the abrasive grain bond strength of fixed grain tool |
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| CN208366742U true CN208366742U (en) | 2019-01-11 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254266A (en) * | 2018-03-22 | 2018-07-06 | 华侨大学 | A kind of measuring apparatus and method of the abrasive grain bond strength of fixed grain tool |
| CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
-
2018
- 2018-03-22 CN CN201820395061.6U patent/CN208366742U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108254266A (en) * | 2018-03-22 | 2018-07-06 | 华侨大学 | A kind of measuring apparatus and method of the abrasive grain bond strength of fixed grain tool |
| CN109765177A (en) * | 2019-03-14 | 2019-05-17 | 华中农业大学 | A kind of paddy field soil sticks force measuring instrument |
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