CN116678777A - Wear resistance testing device and method for PVD (physical vapor deposition) cutter coating - Google Patents
Wear resistance testing device and method for PVD (physical vapor deposition) cutter coating Download PDFInfo
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- CN116678777A CN116678777A CN202310967304.4A CN202310967304A CN116678777A CN 116678777 A CN116678777 A CN 116678777A CN 202310967304 A CN202310967304 A CN 202310967304A CN 116678777 A CN116678777 A CN 116678777A
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- 238000012360 testing method Methods 0.000 title claims abstract description 45
- 238000000576 coating method Methods 0.000 title claims abstract description 30
- 239000011248 coating agent Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title abstract description 15
- 238000005240 physical vapour deposition Methods 0.000 title description 76
- 238000005498 polishing Methods 0.000 claims description 54
- 238000004140 cleaning Methods 0.000 claims description 25
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000005303 weighing Methods 0.000 claims description 6
- 238000012935 Averaging Methods 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000010998 test method Methods 0.000 claims 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000005520 cutting process Methods 0.000 abstract description 7
- 239000000463 material Substances 0.000 abstract description 7
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 125000003003 spiro group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/06—Special adaptations of indicating or recording means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N5/00—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid
- G01N5/04—Analysing materials by weighing, e.g. weighing small particles separated from a gas or liquid by removing a component, e.g. by evaporation, and weighing the remainder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/04—Chucks, fixtures, jaws, holders or anvils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention relates to the technical field of tool detection, in particular to a wear resistance testing device and method for PVD tool coatings, which are characterized in that a weight difference of a PVD tool before and after a wear test is recorded, so that the wear resistance which is difficult to quantify in the prior art is embodied and presented in a numerical mode, a user can conveniently and quickly judge the wear resistance of the coatings in cutting processing, and the problems that the conventional friction and wear testing machine is high in manufacturing cost, conventional in testing mode and difficult to simulate the wear of the PVD tool when cutting different materials are solved, and therefore the wear resistance index of the PVD coating coated on the tool cannot be accurately tested are solved.
Description
Technical Field
The invention relates to the technical field of tool detection, in particular to a wear resistance testing device and method for PVD tool coating.
Background
PVD tools are a general term for tools that use vapor deposition to coat PVD materials onto the tool surface in order to improve the hardness, wear resistance, and chemical stability of the tool. Experimental studies have shown that the tool life of spray PVD coated tools is more than three to five times that of conventional uncoated PVD tools, and thus the importance of spray PVD coated tools. For PVD tools, the wear resistance of PVD coatings is an important measure for their performance, not only can the ability of such coatings to resist wear during cutting be judged, but also the process level and product quality of the manufacturer can be assessed.
The current method for evaluating PVD wear-resistant coatings is to perform friction tests on the surfaces of PVD cutters by adopting friction and wear testing machines, wherein common friction and wear testing machines comprise CETR-UMT series of Bruker corporation in the United states, SRV series of GB & C corporation in the United states, a series of products of Yihua tribology testing technology limited company in the United states and the like, the friction and wear testing machines can perform reciprocating friction and wear tests on the coatings, but the cost is high, the testing mode is more conventional, and the wear scene of PVD cutters when cutting different materials is difficult to simulate, so that the use requirements cannot be met.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wear resistance testing device and a wear resistance testing method for a PVD (physical vapor deposition) cutter coating, which specifically show the wear resistance of the PVD coating on the PVD cutter by comparing the quality difference before and after friction of the PVD cutter, and solve the problems that the conventional friction and wear testing machine is high in cost, the testing mode is conventional, and the wear of the PVD cutter which is difficult to simulate when different materials are cut, so that the wear resistance index of the PVD coating coated on the cutter cannot be accurately tested;
the technical scheme adopted by the invention for solving the technical problems is as follows: a wear resistance testing device for PVD tool coatings, comprising:
a work table;
the pressure scale is fixedly arranged in the middle of the upper end face of the workbench and close to the left end and the right end;
the clamping component is arranged above the pressure scale, and the lower end of the clamping component is fixedly connected with the upper end of the workbench;
the dowel bar is fixedly arranged in the middle of the lower end face of the clamping part and is propped against the upper end face of the pressure scale;
and the polishing component is arranged at a position between the left clamping component and the right clamping component, and the lower end of the polishing component is arranged at the upper end of the workbench.
Preferably, the position of the lower end surface of the workbench, which is close to the corner, is fixedly provided with the supporting legs, the upper end surface of the workbench is fixedly provided with the arc-shaped protective cover, and the arc-shaped protective cover is made of transparent materials which are convenient for test personnel to observe the test conditions.
Preferably, the clamping component comprises a template, a sliding rod, a supporting spring, a sliding hole, a clamping unit, a steering unit and a cleaning unit,
the workbench of both sides around the pressure balance is provided with the slide bar on the symmetry, and the cover is equipped with supporting spring on the slide bar, and the supporting spring top is provided with template, template opening up, and the slide hole has been seted up to the position that the end face corresponds the slide bar under the template, and the slide bar upper end is inserted and is established in the slide hole, and clamping unit is installed to the position that template inboard is close to the upper end, clamping unit front side fixedly connected with steering unit, and the symmetry is provided with the clearance unit around the upper end of template.
Preferably, the clamping unit comprises a rotating column, a sliding shaft, an annular telescopic air bag, a clamping plate, a reset spring, a telescopic air pipe and an air pump,
the utility model provides a template is inboard has offered the post groove in the position front and back symmetry that is close to the upper end, the rotation is provided with the rotation post in the post inslot, fixedly connected with slide shaft between two rotation posts around, fixedly mounted has annular flexible air pocket on the relative lateral wall of rotation post, annular flexible air pocket cover is established in the slide shaft outside and one side fixed mounting that the rotation post was kept away from to annular flexible air pocket has the clamping plate, the clamping plate slides and sets up on the slide shaft, fixed mounting has reset spring between clamping plate and the rotation post, reset spring and slide shaft coaxial setting, annular flexible air pocket lower extreme air inlet department is connected with flexible trachea, flexible trachea middle part and air pump air outlet are linked together, the air pump passes through air pump base fixed mounting in template bottom.
Preferably, the steering unit comprises a steering shaft, a ratchet wheel, a crank, a limit rod, a limit disc and a pawl,
the front end of the rotating column positioned at the front side is fixedly connected with a steering shaft, the front end of the steering shaft extends to the front side of the template and is fixedly connected with a ratchet wheel, a crank is fixedly arranged at the upper end of the middle part of the front side wall of the ratchet wheel, a limiting disc is arranged below the ratchet wheel, a limiting disc sliding sleeve is arranged on a limiting rod, the rear end of the limiting rod is fixedly connected to the front side wall of the template, a pawl is arranged on the limiting disc, and the pawl is abutted to the gear teeth of the ratchet wheel.
Preferably, the cleaning unit comprises an L-shaped rod, a sliding groove, a T-shaped rod, a telescopic spring, a cleaning disc seat and a disc-shaped cleaning block,
the template up end symmetry is provided with L type pole, and the sliding tray has been seted up to the close end of L type pole, has T type pole through telescopic spring sliding connection in the sliding tray, and the close end fixedly connected with of two preceding T type poles cleans the dish seat, installs disk cleaning piece on the lateral wall that cleans the dish seat relatively.
Preferably, the polishing component comprises a rectangular chute, a lining plate, a threaded rod, a driving motor, a driving belt wheel, a driving belt, a driven belt wheel, a polishing unit and a chip collecting unit,
the position that the workstation up end is close to clamping part has offered the rectangle spout, the fixed welt that is provided with in the position that is close to both ends around in the rectangle spout, rotate on the relative lateral wall of welt and install the threaded rod, the screw thread section has all been offered to the symmetry around on every threaded rod, the spiro union has the unit of polishing on the screw thread section, the unit below of polishing is provided with album bits unit, threaded rod middle part fixed mounting has driven pulleys, the position that just is located the middle part between controlling two driven pulleys is provided with the driving pulley, link to each other through driving belt between driving pulley and the driven pulleys, driving pulley passes through key-type connection's mode and installs on the driving motor output shaft, driving motor passes through motor frame fixed mounting in the workstation upper end.
Preferably, the polishing unit comprises a rectangular plate, a mounting plate, a polishing motor, a hollow polishing wheel, an inverted J-shaped bracket and a hairbrush block,
screw drive has the rectangular plate on the screw thread section, and the rectangular plate slides and sets up in the rectangle spout, and the similar lateral wall upper end fixedly connected with mounting panel of rectangular plate of left and right sides is gone up through motor frame fixed mounting and is polished the motor, polishes the motor output shaft and runs through the mounting panel and installs hollow grinding wheel through detachable connection's mode, and rectangular plate upper end fixedly connected with inverts J type support, inverts J type support upper end fixedly connected with brush piece, and brush piece lower extreme and hollow grinding wheel upper end laminate mutually.
Preferably, the chip collecting unit comprises a fixing frame, a chip guide plate, a collecting basket and an arc-shaped pull ring,
the position between the front rectangular plate and the rear rectangular plate and in the middle is provided with a chip guide plate, the front side wall and the rear side wall of the chip guide plate are fixedly connected with a fixing frame, the lower end of the fixing frame penetrates through the rectangular plate and is fixedly installed on the upper end face of the lining plate, the lower end of the chip guide plate is provided with a collecting basket, and the middle part of the front side wall of the collecting basket is fixedly installed with an arc-shaped pull ring.
Preferably, the method for testing the wear resistance of the PVD tool coating by using the wear resistance testing device for the PVD tool coating comprises the following steps:
s1, feeding and clamping: the clamping plates positioned on the same side face the outer side of the arc-shaped protective cover through manual rotation of the steering unit, PVD cutters produced in the same batch are placed on the inner side of the clamping plates, the PVD cutters are clamped and fixed through the clamping units, and then the steering unit is manually rotated reversely, so that the clamping plates and the PVD cutters are driven to rotate 180 degrees;
s2, weighing for one time: after the S1 is finished, the indication numbers N1 and N2 of the left pressure scale and the right pressure scale are recorded manually;
s3, polishing: starting a polishing component, and polishing the front side and the rear side of the PVD cutter through the polishing component;
s4, secondary weighing: after the S3 is finished, the steering unit is manually rotated again to enable the clamping plate and the polished PVD tool to reversely rotate 180 degrees, the clamping plate and the polished PVD tool face to the outer side of the arc-shaped protective cover at the moment, the clamping unit is reset, the polished PVD tool is manually taken down, and the readings N3 and N4 of the left pressure scale 2 and the right pressure scale 2 are recorded again at the moment respectively;
s5, calculating and judging: and replacing different PVD cutters in the same batch, repeating the steps S1-S4 to obtain two groups of difference values of N3 and N1 and N4 and N2, and averaging the difference values of each group, wherein the average value is the falling degree of the PVD coating on the surface of the PVD cutter in the batch, and further manually judging whether the wear resistance of the PVD cutters in the batch meets the standard.
The invention has the beneficial effects that:
1) According to the invention, the weight difference of the PVD tool before and after the wear test is recorded, so that the wear resistance which is difficult to quantify in the prior art is embodied and presented in a numerical mode, and a user is facilitated to quickly judge the capability of resisting the wear in the cutting process of the coating;
2) The clamping unit that sets up can press from both sides the PVD cutter fast and tightly fixed, under the cooperation of turning to the unit, can realize the upset process of PVD cutter rapidly to accomplish wear resistance test, the hollow grinding wheel that sets up simultaneously can dismantle, thereby simulate the wearing and tearing scene of PVD cutter when cutting different materials, test result is accurate scientific, and in test process, the PVD coating that drops can not influence the judgement of final result, easy operation can satisfy various user demand.
Drawings
The invention will be further described with reference to the drawings and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of the present invention with the arcuate shield removed;
FIG. 3 is a schematic perspective view of a clamping member of the present invention;
FIG. 4 is a schematic cross-sectional perspective view of a clamping member of the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A in accordance with the present invention;
FIG. 6 is a schematic view of the connection between the cleaning unit and the template in the present invention;
FIG. 7 is a schematic perspective view of a table and sanding block in accordance with the present invention;
fig. 8 is a flow chart of the present invention.
In the figure:
1. a work table; 11. a support leg; 12. an arc-shaped protective cover;
2. a pressure scale;
3. a clamping member; 31. templates; 32. a slide bar; 33. a support spring; 34. a slide hole;
35. a clamping unit; 351. rotating the column; 352. a slide shaft; 353. an annular telescopic air bag; 354. a clamping plate; 355. a return spring; 356. a telescopic air pipe; 357. an air pump;
36. a steering unit; 361. a steering shaft; 362. a ratchet wheel; 363. a crank; 364. a limit rod; 365. a limiting disc; 366. a pawl;
37. a cleaning unit; 371. an L-shaped rod; 372. a sliding groove; 373. a T-shaped rod; 374. a telescopic spring; 375. cleaning a tray seat; 376. a disc-shaped cleaning block;
4. a dowel bar;
5. a polishing member; 51. rectangular sliding grooves; 52. a lining plate; 53. a threaded rod; 54. a driving motor; 55. a driving pulley; 56. a drive belt; 57. a driven pulley;
58. a polishing unit; 581. a rectangular plate; 582. a mounting plate; 583. polishing a motor; 584. hollow grinding wheel; 585. an inverted J-shaped bracket; 586. a brush block;
59. a chip collecting unit; 591. a fixing frame; 592. a chip guide plate; 593. a collection basket; 594. an arc pull ring.
Detailed Description
The invention is further described in connection with the following detailed description in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
In one embodiment, referring to fig. 1 to 6, a wear resistance testing apparatus for PVD tool coating includes:
the workbench 1, the position that the terminal surface is close to the corner under the workbench 1 fixed mounting have landing leg 11, and workbench 1 up end fixed mounting has arc protection casing 12, arc protection casing 12 be made by the transparent material that makes things convenient for the tester to observe the test condition.
And the pressure scale 2 is fixedly arranged at the middle part of the upper end surface of the workbench 1 and close to the left end and the right end.
The clamping component 3, clamping component 3 set up in pressure balance 2 top, clamping component 3 lower extreme fixed connection is in workstation 1 upper end, including template 31, slide bar 32, supporting spring 33, slide hole 34, clamping unit 35, turn to unit 36 and clearance unit 37, the symmetry is provided with slide bar 32 on the workstation 1 of both sides around the pressure balance 2, the cover is equipped with supporting spring 33 on the slide bar 32, supporting spring 33 top is provided with template 31, template 31 opening up, slide hole 34 has been seted up to the position that the lower terminal surface corresponds slide bar 32 of template 31, slide bar 32 upper end is inserted and is established in slide hole 34, clamping unit 35 is installed to the position that is close to the upper end of template 31 inboard, clamping unit 35 front side fixedly connected with turns to unit 36, the symmetry is provided with clearance unit 37 around template 31 up end.
The clamping unit 35 comprises a rotating column 351, a sliding shaft 352, annular telescopic air bags 353, clamping plates 354, return springs 355, telescopic air pipes 356 and air pumps 357, wherein cylindrical grooves are symmetrically formed in the front and back of the inner side of a template 31 close to the upper end, the rotating column 351 is rotatably arranged in each cylindrical groove, the sliding shafts 352 are fixedly connected between the front rotating column 351 and the rear rotating column 351, annular telescopic air bags 353 are fixedly mounted on the opposite side walls of the rotating column 351, the annular telescopic air bags 353 are sleeved on the outer sides of the sliding shafts 352, one sides, far away from the rotating column 351, of the annular telescopic air bags 353 are fixedly provided with the clamping plates 354, the clamping plates 354 are slidably arranged on the sliding shafts 352, the return springs 355 are fixedly mounted between the clamping plates 354 and the rotating column 351, the return springs 355 are coaxially arranged on the sliding shafts 352, telescopic air pipes 356 are connected to the air inlets at the lower ends of the annular telescopic air bags 353, the middle parts of the telescopic air pipes 356 are communicated with the air outlets 357, and the bottoms of the template 31 are fixedly mounted at the bottoms of the through air pump bases.
The steering unit 36 comprises a steering shaft 361, a ratchet wheel 362, a crank 363, a limiting rod 364, a limiting disc 365 and a pawl 366, wherein the front end of a rotating column 351 positioned at the front side is fixedly connected with the steering shaft 361, the front end of the steering shaft 361 extends to the front side of a template 31 and is fixedly connected with the ratchet wheel 362, the crank 363 is fixedly arranged at the upper end of the middle part of the front side wall of the ratchet wheel 362, the limiting disc 365 is arranged below the ratchet wheel 362, the limiting disc 365 is slidably sleeved on the limiting rod 364, the rear end of the limiting rod 364 is fixedly connected to the front side wall of the template 31, the pawl 366 is arranged on the limiting disc 365, and the pawl 366 is abutted to the gear teeth of the ratchet wheel 362.
The cleaning unit 37 comprises an L-shaped rod 371, a sliding groove 372, T-shaped rods 373, telescopic springs 374, cleaning disc seats 375 and disc-shaped cleaning blocks 376, wherein the upper end face of the template 31 is symmetrically provided with the L-shaped rods 371, the sliding groove 372 is formed in the similar end of each L-shaped rod 371, the T-shaped rods 373 are connected in the sliding groove 372 in a sliding manner through the telescopic springs 374, the cleaning disc seats 375 are fixedly connected to the similar ends of the front T-shaped rods 373 and the rear T-shaped rods 373, and the disc-shaped cleaning blocks 376 are arranged on the opposite side walls of the cleaning disc seats 375.
And the dowel bar 4 is fixedly arranged in the middle of the lower end face of the clamping part 3, and the dowel bar 4 is propped against the upper end face of the pressure scale 2.
During specific work, the pawl 366 is separated from the ratchet 362 by manually poking the limiting disc 365 to the front side, finally, the crank 363 is manually rotated, so that the ratchet 362 and the steering shaft 361 are driven to rotate, the rotating column 351 and the sliding shaft 352 are simultaneously driven to rotate, the clamping plates 354 on the same side are rotated to face the outer side of the arc-shaped protective cover 12, PVD cutters produced in the same batch are placed on the inner sides of the clamping plates 354, the air pump 357 is started, external air is conveyed into the annular telescopic air bag 353 through the air pump 357, the annular telescopic air bag 353 expands and drives the clamping plates 354 on the front side and the rear side to move oppositely, the cutter handle of the PVD cutters is clamped and fixed, then, the crank 363 is manually rotated reversely, so that the clamping plates 354 and the PVD cutters after clamping and fixing are driven to reversely rotate for 180 degrees, at the moment, the weight of the PVD cutters can drive the force transfer rods 4 to squeeze the pressure scales 2, and indication numbers N1 and N2 of the two pressure scales 2 are recorded at the moment by manual work.
The second embodiment, which is substantially the same as the first embodiment, is different from the first embodiment in that, referring to fig. 1, 2, 7 and 8, the following steps are included:
the polishing device comprises a polishing component 5, wherein the polishing component 5 is arranged at a position between a left clamping component 3 and a right clamping component 3, the lower end of the polishing component 5 is arranged at the upper end of a workbench 1, the polishing component 5 comprises a rectangular chute 51, a lining plate 52, a threaded rod 53, a driving motor 54, a driving pulley 55, a driving belt 56, a driven pulley 57, polishing units 58 and chip collecting units 59, the rectangular chute 51 is arranged at the position, close to the clamping component 3, of the upper end face of the workbench 1, the lining plates 52 are fixedly arranged at positions, close to the front end and the rear end, of the rectangular chute 51, the threaded rods 53 are rotatably arranged on opposite side walls of the lining plates 52, threaded sections are symmetrically arranged on each threaded rod 53, the polishing units 58 are in threaded connection with the threaded sections, the chip collecting units 59 are arranged below the polishing units 58, the driven pulleys 57 are fixedly arranged in the middle of the threaded rods 53, the positions, which are located in front of the middle, of the left and the right driven pulleys 57 are connected with the driving pulleys 55 through the driving belt 56, the driving pulleys 55 are arranged on an output shaft of the driving motor 54 in a key connection mode, and the driving motor 54 is fixedly arranged at the upper end of the workbench 1 through a motor base.
The polishing unit 58 comprises a rectangular plate 581, a mounting plate 582, a polishing motor 583, a hollow polishing wheel 584, an inverted J-shaped bracket 585 and a brush block 586, wherein the rectangular plate 581 is spirally driven on a thread section, the rectangular plate 581 is slidably arranged in the rectangular chute 51, the upper ends of the side walls of the rectangular plate 581, which are close to the left side and the right side, are fixedly connected with the mounting plate 582, the polishing motor 583 is fixedly arranged on the opposite side walls of the mounting plate 582 through a motor base, an output shaft of the polishing motor 583 penetrates through the mounting plate 582 and is provided with the hollow polishing wheel 584 in a detachable connection mode, the upper end of the rectangular plate 581 is fixedly connected with the inverted J-shaped bracket 585, the upper end of the inverted J-shaped bracket 585 is fixedly connected with the brush block 586, and the lower end of the brush block 586 is attached to the upper end of the hollow polishing wheel 584.
The chip collecting unit 59 comprises a fixing frame 591, a chip guide plate 592, a collecting basket 593 and an arc-shaped pull ring 594, wherein the chip guide plate 592 is arranged between the front rectangular plate 581 and the rear rectangular plate 581 and positioned in the middle, the fixing frame 591 is fixedly connected with the front side wall and the rear side wall of the chip guide plate 592, the lower end of the fixing frame 591 penetrates through the rectangular plate 581 and is fixedly arranged on the upper end face of the lining plate 52, the collecting basket 593 is arranged at the lower end of the chip guide plate 592, and the arc-shaped pull ring 594 is fixedly arranged in the middle of the front side wall of the collecting basket 593.
When the PVD tool works specifically, the driving motor 54 is started, the driving belt pulley 55 is driven to rotate by the driving motor 54, the driven belt pulley 57 and the threaded rod 53 also rotate in the same step under the action of the driving belt 56, and in the process, the front rectangular plate 581 and the rear rectangular plate 581 positioned on the same side move in opposite directions, so that the hollow grinding wheels 584 on the front side and the rear side are driven to be attached to the front side wall and the rear side wall of the PVD tool;
starting a polishing motor 583, driving the hollow polishing wheel 584 to rotate through the polishing motor 583, so as to polish the front and rear side walls of the PVD tool, and in the polishing process, enabling the hairbrush block 586 to sweep the surface of the hollow polishing wheel 584, so as to ensure the polishing effect of the hollow polishing wheel 584, further improving the accuracy of a test result, and enabling the fallen PVD coating to fall down onto the chip guide plate 592 and slide into the collecting basket 593 through the chip guide plate 592;
after a certain time, the polishing motor 583 is stopped to run, the steering unit 36 is rotated again manually, so that the clamping plate 354 and the polished PVD tool are rotated 180 degrees in the opposite direction, the clamping plate 354 and the polished PVD tool face to the outer side of the arc-shaped protective cover 12, in the process, the cleaning disc seat 375 and the disc-shaped cleaning block 376 are arranged to wipe the PVD tool, thereby wiping off PVD coating scraps adhered to the surfaces of the front side wall and the rear side wall of the PVD tool, the clamping unit 35 is reset, the polished PVD tool is taken down manually, and readings N3 and N4 of the left pressure scale 2 and the right pressure scale 2 are recorded again.
In addition, the invention also provides a method for testing the wear resistance of the PVD tool coating by using the wear resistance testing device for the PVD tool coating, which comprises the following steps:
s1, feeding and clamping: the limit disc 365 is manually shifted to the front side to enable the pawl 366 to be separated from the ratchet 362, finally, the crank 363 is manually rotated to drive the ratchet 362 and the steering shaft 361 to rotate, meanwhile, the rotating column 351 and the sliding shaft 352 are driven to rotate, the clamping plates 354 on the same side are rotated to face the outer side of the arc-shaped protective cover 12, PVD cutters produced in the same batch are placed on the inner sides of the clamping plates 354, the air pump 357 is started, external air is conveyed into the annular telescopic air bag 353 through the air pump 357, at the moment, the annular telescopic air bag 353 expands and drives the clamping plates 354 on the front side and the rear side to move in opposite directions, so that the cutter handles of the PVD cutters are clamped and fixed, and then, the crank 363 is manually rotated reversely to drive the clamping plates 354 and the PVD cutters after being clamped and fixed to rotate reversely by 180 degrees;
s2, weighing for one time: after the S1 is finished, the weight of the PVD cutter drives the dowel bar 4 to squeeze the pressure scales 2, and the indication numbers N1 and N2 of the left pressure scale 2 and the right pressure scale 2 at the moment are recorded manually;
s3, polishing: starting a driving motor 54, driving a driving belt wheel 55 to rotate through the driving motor 54, and rotating a driven belt wheel 57 and a threaded rod 53 simultaneously under the action of a driving belt 56, wherein in the process, a front rectangular plate 581 and a rear rectangular plate 581 positioned on the same side move in opposite directions, so that hollow grinding wheels 584 on the front side and the rear side are driven to be attached to the front side and the rear side wall of a PVD cutter, starting a grinding motor 583, and driving the hollow grinding wheels 584 to rotate through the grinding motor 583, so that the front side wall and the rear side wall of the PVD cutter are ground, in the grinding process, a hairbrush block 586 can clean the surface of the hollow grinding wheels 584, so that the grinding effect of the hollow grinding wheels 584 is ensured, the accuracy of a test result is improved, and a fallen PVD coating can fall down onto a chip guide plate 592 and slide into a collecting basket 593 through the chip guide plate 592;
s4, secondary weighing: after the step S3 is finished, stopping the operation of the polishing motor 583, manually rotating the steering unit 36 again to enable the clamping plate 354 and the polished PVD tool to reversely rotate 180 degrees, wherein the clamping plate 354 and the polished PVD tool face the outer side of the arc-shaped protective cover 12, and in the process, the cleaning disc base 375 and the disc-shaped cleaning block 376 can wipe the PVD tool, so that PVD coating scraps adhered on the surfaces of the front side wall and the rear side wall of the PVD tool can be wiped off, then resetting the clamping unit 35, manually removing the polished PVD tool, and respectively recording the readings N3 and N4 of the left pressure scale 2 and the right pressure scale 2;
s5, calculating and judging: and replacing different PVD cutters in the same batch, repeating the steps S1-S4 to obtain two groups of difference values of N3 and N1 and N4 and N2, and averaging the difference values of each group, wherein the average value is the falling degree of the PVD coating on the surface of the PVD cutter in the batch, and further manually judging whether the wear resistance of the PVD cutters in the batch meets the standard.
It should be noted that, in this embodiment, the output shaft of the grinding motor 583 is detachably connected to the hollow grinding wheel 584, and when it is required to simulate the wear scene of the PVD tool when cutting different materials, the hollow grinding wheel 584 may be manually detached and a new grinding head may be mounted in a stopped state, and the new grinding head may be made of materials such as rubber, nylon, metal, sand, etc.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing examples, and that the foregoing description and description are merely illustrative of the principles of this invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A wear resistance testing device for a PVD tool coating, comprising:
a work table (1);
the pressure scale (2) is fixedly arranged in the middle of the upper end surface of the workbench (1) and close to the left end and the right end;
the clamping component (3), the said clamping component (3) is set up above the pressure scale (2), the lower end of the clamping component (3) is fixedly connected to upper end of the working table (1);
the dowel bar (4) is fixedly arranged in the middle of the lower end face of the clamping component (3), and the dowel bar (4) is propped against the upper end face of the pressure scale (2);
the polishing component (5), polishing component (5) set up in the position between two clamping parts (3) about, polishing component (5) lower extreme is installed in workstation (1) upper end.
2. The wear resistance testing device according to claim 1, wherein: the lower end face of the workbench (1) is fixedly provided with supporting legs (11) at positions close to corners, the upper end face of the workbench (1) is fixedly provided with an arc-shaped protective cover (12), and the arc-shaped protective cover (12) is made of transparent materials which are convenient for test personnel to observe testing conditions.
3. The wear resistance testing device according to claim 1, wherein: the clamping part (3) comprises a template (31), a slide bar (32), a supporting spring (33), a slide hole (34), a clamping unit (35), a steering unit (36) and a cleaning unit (37),
the workbench (1) on the front side and the rear side of the pressure scale (2) are symmetrically provided with slide bars (32), the slide bars (32) are sleeved with supporting springs (33), templates (31) are arranged above the supporting springs (33), openings of the templates (31) face upwards, sliding holes (34) are formed in positions, corresponding to the slide bars (32), of the lower end faces of the templates (31), the upper ends of the slide bars (32) are inserted into the sliding holes (34), clamping units (35) are arranged at positions, close to the upper ends, on the inner sides of the templates (31), of the clamping units (35), steering units (36) are fixedly connected to the front sides of the clamping units (35), and cleaning units (37) are symmetrically arranged on the upper end faces of the templates (31).
4. A wear resistance testing device according to claim 3, wherein: the clamping unit (35) comprises a rotating column (351), a sliding shaft (352), an annular telescopic air bag (353), a clamping plate (354), a return spring (355), a telescopic air pipe (356) and an air pump (357),
the utility model provides a template (31) inboard is close to the position front and back symmetry of upper end and has seted up the cylindricality groove, the cylindricality inslot rotates and is provided with rotation post (351), fixedly connected with slide shaft (352) between two front and back rotation posts (351), fixedly mounted has annular flexible air pocket (353) on the lateral wall that rotation post (351) are relative, annular flexible air pocket (353) cover is established in slide shaft (352) outside and one side fixed mounting that rotation post (351) were kept away from to annular flexible air pocket (353) has clamping plate (354), clamping plate (354) slip sets up on slide shaft (352), fixed mounting has reset spring (355) between clamping plate (354) and rotation post (351), reset spring (355) and slide shaft (352) coaxial setting, annular flexible air pocket (353) lower extreme air inlet department is connected with flexible trachea (356), flexible air pocket (356) middle part and air pump (357) gas outlet are linked together, air pump template (357) are through air pump base fixed mounting in (31) bottom.
5. The wear resistance testing device according to claim 4, wherein: the steering unit (36) comprises a steering shaft (361), a ratchet wheel (362), a crank (363), a limit rod (364), a limit disc (365) and a pawl (366),
the steering device comprises a rotating column (351) positioned on the front side, a steering shaft (361) is fixedly connected to the front end of the rotating column (351), the front end of the steering shaft (361) extends to the front side of a template (31) and is fixedly connected with a ratchet wheel (362), a crank (363) is fixedly arranged at the upper end of the middle part of the front side wall of the ratchet wheel (362), a limiting disc (365) is arranged below the ratchet wheel (362), the limiting disc (365) is slidably sleeved on a limiting rod (364), the rear end of the limiting rod (364) is fixedly connected to the front side wall of the template (31), a pawl (366) is arranged on the limiting disc (365), and the pawl (366) is abutted to the gear teeth of the ratchet wheel (362).
6. A wear resistance testing device according to claim 3, wherein: the cleaning unit (37) comprises an L-shaped rod (371), a sliding groove (372), a T-shaped rod (373), a telescopic spring (374), a cleaning disc seat (375) and a disc-shaped cleaning block (376),
template (31) up end symmetry is provided with L type pole (371), and sliding tray (372) have been seted up to the close end of L type pole (371), have T type pole (373) through telescopic spring (374) sliding connection in sliding tray (372), and the close end fixedly connected with of two preceding T type poles (373) cleans dish seat (375), installs disk cleaning piece (376) on the lateral wall that clean dish seat (375) are relative.
7. The wear resistance testing device according to claim 1, wherein: the polishing component (5) comprises a rectangular chute (51), a lining plate (52), a threaded rod (53), a driving motor (54), a driving belt wheel (55), a driving belt (56), a driven belt wheel (57), a polishing unit (58) and a chip collecting unit (59),
rectangular sliding grooves (51) are formed in the upper end face of the workbench (1) close to the clamping part (3), lining plates (52) are fixedly arranged in the rectangular sliding grooves (51) close to the front end and the rear end, threaded rods (53) are rotatably arranged on opposite side walls of the lining plates (52), threaded sections are symmetrically formed in the front and the rear of each threaded rod (53), polishing units (58) are connected to the threaded sections in a threaded mode, chip collecting units (59) are arranged below the polishing units (58), driven pulleys (57) are fixedly arranged in the middle of the threaded rods (53), driving pulleys (55) are arranged in front of the left driven pulleys (57) and the right driven pulleys (57) and are located in the middle of the right driven pulleys, the driving pulleys (55) are connected with the driven pulleys (57) through driving belts (56), the driving pulleys (55) are mounted on an output shaft of a driving motor (54) in a key connection mode, and the driving motor (54) is fixedly mounted at the upper end of the workbench (1).
8. The wear resistance testing device according to claim 7, wherein: the polishing unit (58) comprises a rectangular plate (581), a mounting plate (582), a polishing motor (583), a hollow polishing wheel (584), an inverted J-shaped bracket (585) and a hairbrush block (586),
screw drive has rectangular board (581) on the screw thread section, rectangular board (581) slides and sets up in rectangular spout (51), the similar lateral wall upper end fixedly connected with mounting panel (582) of rectangular board (581) of left and right sides, through motor frame fixed mounting on the lateral wall that mounting panel (582) is relative, hollow grinding wheel (584) are installed through mounting panel (582) and through detachable connection's mode in grinding motor (583) output shaft, rectangular board (581) upper end fixedly connected with inverts J type support (585), inverts J type support (585) upper end fixedly connected with brush piece (586), brush piece (586) lower extreme and hollow grinding wheel (584) upper end laminating mutually.
9. The wear resistance testing device according to claim 8, wherein: the chip collecting unit (59) comprises a fixing frame (591), a chip guide plate (592), a collecting basket (593) and an arc-shaped pull ring (594),
the chip guide plate (592) is arranged between the front rectangular plate (581) and the rear rectangular plate (581) and positioned in the middle, the fixing frame (591) is fixedly connected with the front side wall and the rear side wall of the chip guide plate (592), the lower end of the fixing frame (591) penetrates through the rectangular plate (581) and is fixedly arranged on the upper end face of the lining plate (52), the collecting basket (593) is arranged at the lower end of the chip guide plate (592), and the arc-shaped pull ring (594) is fixedly arranged in the middle of the front side wall of the collecting basket (593).
10. A test method for implementing a wear resistance test device for PVD tool coatings according to any of claims 1-9, characterized in that the test method comprises the steps of:
s1, feeding and clamping: the clamping plate (354) on the same side faces the outer side of the arc-shaped protective cover (12) through manual rotation of the steering unit (36), PVD cutters produced in the same batch are placed on the inner side of the clamping plate (354), the PVD cutters are clamped and fixed through the clamping unit (35), and then the steering unit (36) is manually rotated reversely, so that the clamping plate (354) and the PVD cutters are driven to rotate 180 degrees;
s2, weighing for one time: after the S1 is finished, the indication numbers N1 and N2 of the left and right pressure scales (2) are recorded manually;
s3, polishing: starting a polishing component (5), and polishing the front side and the rear side of the PVD cutter through the polishing component (5);
s4, secondary weighing: after the S3 is finished, the steering unit (36) is manually rotated again, so that the clamping plate (354) and the polished PVD tool are reversely rotated for 180 degrees, the clamping plate (354) and the polished PVD tool face to the outer side of the arc-shaped protective cover (12), the clamping unit (35) is reset, the polished PVD tool is manually removed, and the readings N3 and N4 of the left pressure scale and the right pressure scale (2) are recorded again;
s5, calculating and judging: and replacing different PVD cutters in the same batch, repeating the steps S1-S4 to obtain two groups of difference values of N3 and N1 and N4 and N2, and averaging the difference values of each group, wherein the average value is the falling degree of the PVD coating on the surface of the PVD cutter in the batch, and further manually judging whether the wear resistance of the PVD cutters in the batch meets the standard.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117470635A (en) * | 2023-11-14 | 2024-01-30 | 无锡佳健医疗器械股份有限公司 | Detection device for PVD coating of color steel needle and PVD coating process |
| CN117470635B (en) * | 2023-11-14 | 2024-05-07 | 无锡佳健医疗器械股份有限公司 | Detection device for PVD coating of color steel needle and PVD coating process |
| CN117347219A (en) * | 2023-12-05 | 2024-01-05 | 江苏超能新材料科技有限公司 | Detection equipment and detection method for plate surface spraying material |
| CN117347219B (en) * | 2023-12-05 | 2024-03-01 | 江苏超能新材料科技有限公司 | Detection equipment and detection method for plate surface spraying material |
| CN117405507A (en) * | 2023-12-13 | 2024-01-16 | 济南鲁日钧达皮革有限公司 | Leather product delivery detection instrument and detection process |
| CN117405507B (en) * | 2023-12-13 | 2024-02-27 | 济南鲁日钧达皮革有限公司 | Leather product delivery detection instrument and detection process |
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