CN114986266A - Cutting edge passivation device - Google Patents
Cutting edge passivation device Download PDFInfo
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- CN114986266A CN114986266A CN202210786853.7A CN202210786853A CN114986266A CN 114986266 A CN114986266 A CN 114986266A CN 202210786853 A CN202210786853 A CN 202210786853A CN 114986266 A CN114986266 A CN 114986266A
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- passivation
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- passivated
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- 238000002161 passivation Methods 0.000 title claims abstract description 163
- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000005498 polishing Methods 0.000 claims abstract description 78
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 239000002245 particle Substances 0.000 claims description 18
- 238000001514 detection method Methods 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 17
- DBMJMQXJHONAFJ-UHFFFAOYSA-M Sodium laurylsulphate Chemical group [Na+].CCCCCCCCCCCCOS([O-])(=O)=O DBMJMQXJHONAFJ-UHFFFAOYSA-M 0.000 claims description 12
- 239000002270 dispersing agent Substances 0.000 claims description 12
- 239000007800 oxidant agent Substances 0.000 claims description 12
- 230000001590 oxidative effect Effects 0.000 claims description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 229910003460 diamond Inorganic materials 0.000 claims description 6
- 239000010432 diamond Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 description 14
- 238000012545 processing Methods 0.000 description 10
- 230000002572 peristaltic effect Effects 0.000 description 7
- 238000009530 blood pressure measurement Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000007788 roughening Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
- B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/16—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the load
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/68—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous solutions with pH between 6 and 8
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/73—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals characterised by the process
- C23C22/77—Controlling or regulating of the coating process
-
- 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
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The embodiment of the application relates to a cutting edge passivating device, for example, include: a frame; a polishing assembly disposed adjacent to the frame; a moving assembly connected to the frame and movable relative to the frame; the vibration assembly is connected to the motion assembly; the blade mounting assembly is used for mounting a blade to be passivated, is connected to the vibration assembly and is arranged corresponding to the polishing assembly; the vibration assembly is used for generating vibration according to the received ultrasonic vibration signal, driving the blade to be passivated on the blade mounting assembly to vibrate, and is matched with the polishing assembly and the motion assembly to passivate the blade to be passivated. The embodiment can improve the passivation efficiency and the passivation precision of the blade edge.
Description
Technical Field
The invention relates to the technical field of cutter cutting edge passivation, in particular to a cutting edge passivation device.
Background
Carbide inserts are composed of high hardness refractory metal carbides, and after sintering, the cutting edge of the carbide inserts still has various defects, such as fine saw-tooth gaps or grinding marks, which cause the strength of the cutting edge to be reduced, so that the inserts are more prone to chipping, rolling or other types of breakage, and the service life of the inserts is reduced.
In the prior art, in order to reduce or eliminate the defects at the edge, the edge of the blade is passivated after the final step of the blade manufacturing process is completed, and the passivation process adopts a mechanical passivation method, such as micro-abrasive water jet passivation, vibration passivation, laser passivation, magnetization passivation, sand blasting passivation, passivation of nylon brush containing abrasive, and the like. However, due to the adoption of mechanical passivation, the surface roughness of the passivated cutting edge is micron-sized, and a passivation machine does not provide reasonable parameters for reference, so that an operator can passivate the passivated cutting edge only by experience according to the passivation amount required, the passivation efficiency and the geometric precision of the cutting edge are not ideal, and the surface of the cutting edge also has the defects of abrasive grain scratch, a deteriorated layer, surface/subsurface damage and the like.
Disclosure of Invention
Therefore, in order to overcome at least part of the defects and shortcomings of the prior art, the embodiment of the invention provides a cutting edge passivating device, so that the passivating precision and the passivating efficiency of the cutting edge are improved.
In one aspect, an embodiment of the present invention provides a cutting edge passivation apparatus, including: a frame; a polishing assembly disposed adjacent to the frame; the moving assembly is connected with the frame; the vibration assembly is connected to the motion assembly; the pressure detection assembly is connected between the motion assembly and the vibration assembly; a control unit electrically connecting the motion assembly, the polishing assembly and the pressure detection assembly; the passivating liquid supply assembly is arranged corresponding to the polishing assembly and the blade to be passivated and is electrically connected with the control unit; and the blade mounting assembly is connected to the vibration assembly, is arranged corresponding to the polishing assembly and is used for mounting the blade to be passivated.
According to the cutting edge passivating device provided by the embodiment of the invention, the control unit, the motion assembly, the vibration assembly, the pressure detection assembly and the passivating liquid supply assembly are arranged, the motion assembly, the polishing assembly, the pressure detection assembly and the passivating liquid supply assembly are controlled by the control unit, and the vibration assembly is used for controlling the motion of the blade to be passivated in the blade mounting assembly, so that the passivating efficiency and the passivating precision of the cutting edge are improved.
In another aspect, an embodiment of the present invention provides a cutting edge passivation apparatus, including: a frame; a polishing assembly disposed adjacent to the frame; a moving assembly connected to the frame and movable relative to the frame; the vibration assembly is connected to the motion assembly; the blade mounting assembly is used for mounting a blade to be passivated, is connected to the vibration assembly and is arranged corresponding to the polishing assembly; the vibration assembly is used for generating vibration according to the received ultrasonic vibration signal, driving the blade to be passivated on the blade mounting assembly to vibrate, and is matched with the polishing assembly and the motion assembly to passivate the blade to be passivated.
In one embodiment of the invention, the cutting edge passivating device further comprises a control unit electrically connecting the moving assembly and the polishing assembly.
In one embodiment of the invention, the cutting edge passivating device further comprises a pressure detection component which is connected between the vibration component and the motion component and is electrically connected with the control unit.
In one embodiment of the present invention, the vibration assembly includes: the base is connected with the moving assembly; a first directional vibrator disposed on the base; the second directional vibrator is arranged on the base; and the flexible hinge is connected with the first direction vibrator and the second direction vibrator and is also connected with the blade mounting assembly.
In one embodiment of the invention, the cutting edge passivating device further comprises a passivating liquid supply component which is arranged corresponding to the polishing component and the blade to be passivated and is used for supplying passivating liquid to the polishing component and the blade to be passivated.
In one embodiment of the invention, the passivation solution comprises a crude passivation solution, wherein the crude passivation solution comprises first abrasive particles, a first oxidant and a first dispersing agent, wherein the first abrasive particles are alumina with the particle size range of 0.05-1 micrometer, and the volume of the alumina is 6-10% of the volume of the crude passivation solution; the first oxidant is hydrogen peroxide, and the volume of the hydrogen peroxide is 10-16% of the volume of the coarse passivation solution; the first dispersing agent is sodium dodecyl sulfate, and the volume of the sodium dodecyl sulfate is 6-12% of the volume of the crude passivation solution.
In one embodiment of the invention, the passivation solution comprises a fine passivation solution, and the fine passivation solution comprises second abrasive particles, a second oxidant and a second dispersing agent, wherein the second abrasive particles are diamond powder with the particle size ranging from 0.5 to 2.5 micrometers, and the mass of the diamond powder is 9 to 15 percent of that of the fine passivation solution; the second oxidant is hydrogen peroxide, and the mass of the hydrogen peroxide is 10-20% of that of the fine passivation solution; the second dispersing agent is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of that of the fine passivation solution.
In one embodiment of the invention, the cutting edge passivating device further comprises an ultrasonic generating assembly, and the ultrasonic generating assembly is connected with the vibrating assembly.
In one embodiment of the present invention, the ultrasonic wave generating assembly includes: an ultrasonic generator and a power amplifier; wherein the ultrasonic generator is electrically connected with the power amplifier, and the power amplifier is electrically connected with the vibration component; the ultrasonic generator is used for generating an ultrasonic vibration signal according to the received ultrasonic vibration parameters and sending the ultrasonic vibration signal to the power amplifier; the power amplifier is used for amplifying the ultrasonic vibration signal and outputting the amplified ultrasonic vibration signal to the vibration assembly; the ultrasonic vibration parameters comprise the respective frequencies and amplitudes of the first direction vibration and the second direction vibration when the Lissajous motion trail is closed in the two-dimensional ultrasonic vibration and the phase difference of the first direction vibration and the second direction vibration.
As can be seen from the above, the above technical features of the present invention can have the following beneficial effects:
1. this embodiment receives ultrasonic vibration signal through setting up the vibration subassembly and produces the vibration and drive the blade vibration of treating passivation on the blade installation component to treat the passivation blade and passivate through the cooperation of vibration subassembly, polishing subassembly and motion subassembly, with passivation efficiency and the passivation precision that promotes the blade.
2. This embodiment is through setting up pressure measurement subassembly and the control unit for blade passivation device can treat the passivation blade through the cooperation between the control unit control pressure measurement subassembly, polishing subassembly and the motion subassembly and passivate, with passivation efficiency and the passivation precision that promotes the blade.
3. The passivation solution supply assembly is arranged, the passivation solution can comprise coarse passivation solution and fine passivation solution, different passivation solutions can be provided for the polishing assembly and the blade to be passivated, and therefore different requirements of users can be met and passivation efficiency can be further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a cutting edge passivation device according to an embodiment of the present invention.
Fig. 2 is an exploded schematic view of the relative positional relationship of the vibration assembly and the blade mounting assembly shown in fig. 1.
Figure 3 is an exploded view of the polishing assembly shown in figure 1.
FIG. 4 is an exploded view of the ultrasound generating assembly shown in FIG. 1.
Fig. 5a is a schematic diagram of a motion trajectory curve effect of lissajous according to an embodiment of the present invention.
Fig. 5b is a schematic diagram of another motion trajectory curve effect of the lissajous according to the embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a blade to be passivated according to an embodiment of the invention.
Figure 7a is a schematic view of one cutting edge type shown in figure 6.
Figure 7b is a schematic view of another cutting edge type shown in figure 6.
Figure 7c is a schematic view of yet another cutting edge type shown in figure 6.
[ brief description of the drawings ]
10: a cutting edge passivating device; 11: a frame; 12: a polishing assembly; 13: a motion assembly; 14: a vibrating assembly; 15: a pressure detection assembly; 16: a control unit; 17: a passivation solution supply assembly; 18: a blade mounting assembly; 19: an ultrasonic wave generating assembly; 121: a polishing pad; 122: a polishing disk; 123: an outer housing; 141: a base; 142: a first directional vibrator; 143: a second directional vibrator; 144: a flexible hinge; 181: a blade to be passivated; 191: an ultrasonic generator; 192: a power amplifier; 1811: the tool nose is arc-shaped; 1812: cutting edges; x: a first direction; y: a second direction; z: and a third direction.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present embodiment provides a cutting edge dulling apparatus 10. The cutting edge duller 10 comprises, for example: a frame 11, a burnishing assembly 12, a motion assembly 13, a vibration assembly 14, and a blade mounting assembly 18.
Wherein the polishing assembly 12 is disposed adjacent to the frame 11. The moving assembly 13 is connected to the frame 11 and is movable relative to the frame 11. The vibration assembly 14 is connected to a moving assembly. The blade mounting assembly 18 is used to mount a blade 181 to be dulled, and the blade mounting assembly 18 is attached to the oscillating assembly 14 and positioned in correspondence with the burnishing assembly 12.
In the embodiment of the present application, the frame 11 may be, for example, a frame applied to a numerical control machine. The polishing assembly of the present application may be, for example, a structure of the polishing assembly as shown in fig. 5, wherein the polishing assembly 12 includes, for example, a polishing pad 121, a polishing disk 122 and an outer casing 123, the polishing disk 122 is disposed in the outer casing 123, the polishing pad 121 is disposed on the polishing disk 122, in this embodiment, the polishing pad 121 is a circular polishing pad, and a plurality of grooves are disposed on the circular polishing pad, which are sequentially arranged from the center of the circle to the outside, and the grooves are used for placing a blade to be passivated; and the setting of a plurality of recesses can be used to place a plurality of blades of treating the passivation to carry out the polishing passivation operation to a plurality of blades of passivating, the polishing dish is used for driving the polishing pad and rotates, but the rotational speed manual setting of polishing dish also can be adjusted through controlling means such as host computer or PLC the unit and set up.
As shown in fig. 1, the motion assembly 13 may, for example, include a linear motion unit and a swing unit. In this embodiment, the linear motion unit may include, for example, a linear motion unit in a second direction (e.g., a Y-axis direction shown in fig. 1) and a linear motion unit in a third direction (e.g., a Z-axis direction shown in fig. 1), the second direction linear motion unit may be fixedly connected to the frame 11 by a fixing member such as a bolt, the second direction linear motion unit may include, for example, a stepping motor, a lead screw, and a slide table, and the second direction linear motion unit may control the slide table to reciprocate on the lead screw in the Y direction by the stepping motor. The third direction linear motion unit may be fixedly coupled to the slide table of the second direction linear motion unit by a fixing member such as a bolt. The third direction linear motion unit can comprise a stepping motor, a lead screw and a sliding table, and the third direction linear motion unit can control the sliding table to reciprocate on the lead screw along the Z-axis direction through the stepping motor. The swing unit may, for example, include a swing unit in a first direction (an X-axis direction as shown in fig. 1) and a second direction swing unit. The first direction swinging unit can be fixedly connected with the sliding table in the second direction linear motion unit through a fixing piece such as a bolt. In the present embodiment, the first direction swinging unit may include, for example, an arc cam shaft, a driven disc, and a turntable, and the second direction swinging unit may be connected to the turntable of the first direction swinging unit by a fixing member, for example, a bolt, and the second direction swinging unit may include, for example, an arc cam shaft, a driven disc, and a turntable. Through the arrangement, a user can manually adjust the movement positions of the blade 181 to be mounted on the Y axis and the Z axis and the swing positions of the blade 181 to be mounted on the X axis and the Y axis, so that the cutting edge passivating device 10 can passivate the blade 181 to be passivated conveniently, and the user can adjust the position of the blade to be passivated conveniently.
The blade mounting assembly 18 may be, for example, a tool bar, one end of which (e.g., the upper end of the blade mounting assembly 18 in fig. 2) is attached to the vibration assembly 14 by a threaded connection. The blade to be dulled is mounted at the other end of the tool holder, for example by means of a threaded connection. And when the blade to be passivated is passivated, the blade is taken down.
Wherein, the vibration component 14 is used for generating vibration according to the received ultrasonic vibration signal and driving the blade 181 to be passivated on the blade mounting component 18 to vibrate, and cooperates with the polishing component 12 and the motion component 13 to passivate the blade 181 to be passivated.
The blade tip of the blade 181 to be blunted is shown in fig. 6, for example, including a cutting edge 1811 and a blade tip circular arc 1812, since before the blade 181 to be blunted is blunted, it is necessary to determine cutting edge parameters of the blade 181 to be blunted, the cutting edge parameters include, for example, a cutting edge type and a geometric dimension of the cutting edge (or a size of the blade tip circular arc), and the cutting edge type may include, for example, a circular arc (as shown in fig. 7 a), a waterfall shape (as shown in fig. 7 b), an inverted waterfall shape (as shown in fig. 7 c), and the like. After obtaining the blade parameter, can adjust motion subassembly 13 according to the parameter of blade to make the butt polishing subassembly 12 that the blade can be better, thereby reach better passivation effect. Wherein, as shown in FIGS. 7a-7c, α is the back angle of the blade, γ is the front angle of the blade, S γ Is a cutting edgeThe distance S from the intersection point of the extension lines of the front and rear faces to the rake face α Is the distance from the intersection point of the extension lines of the front and the rear knife faces of the cutting edge to the rear knife face. When S is γ /S α When the ratio of (b) is less than 1, the edge type is a waterfall-shaped edge as shown in fig. 7 b. When S is γ /S α When the ratio of (a) to (b) is greater than 1, the cutting edge type is an inverted waterfall-shaped cutting edge as shown in fig. 7 c.
The working principle of the embodiment is as follows: firstly, the user can install the blade 181 to be passivated on the blade mounting assembly 18, then the user can adjust the blade 181 to be passivated through the moving assembly 13, so that the blade to be passivated can abut against the polishing assembly 12, and then the cutting edge passivating device is opened, at this time, the vibrating assembly 14 receives an ultrasonic vibration signal, so that the vibrating assembly vibrates itself, and drives the blade 181 to be passivated on the blade mounting assembly 18 to vibrate, so that the blade 181 to be passivated moves on the polishing assembly 12, and the blade 181 to be passivated is passivated through the polishing assembly 12, so as to achieve the passivating efficiency and the passivating accuracy of the blade to be passivated.
In the embodiment, the vibration component 14 is arranged to receive the ultrasonic vibration signal to generate vibration and drive the blade 181 to be passivated on the blade mounting component 18 to vibrate, and the blade 181 to be passivated is passivated through the matching of the vibration component 14, the polishing component 12 and the moving component 13, so that the passivation efficiency and the passivation precision of the blade 181 to be passivated are improved.
As shown in fig. 1, in an embodiment of the present application, the cutting edge passivation device 10 further includes, for example: a control unit 16 and a pressure sensing assembly 15.
Wherein, the pressure detection assembly 15 is connected between the vibration assembly 14 and the motion assembly 13, and the pressure detection assembly 15 is electrically connected with the control unit 16; specifically, the pressure detecting assembly 15 is connected between the turntable of the second-direction swinging unit in the moving assembly 13 and the vibrating assembly 14 by bolts. In the present embodiment, the pressure detection assembly 15 may be, for example, a load cell including a pressure sensor; the working principle of the dynamometer is as follows: first, the load cell is set by the control unit to a pressure of, for example, 10KPa, and a pressure of 10KPa was applied to the cutting edge of the blade 181 to be dulled, so that the cutting edge of the blade 181 to be dulled could be tightly abutted on the polishing pad 121 of the polishing member 12, then the pressure on the cutting edge of the blade 181 to be passivated is measured in real time by a pressure sensor on the dynamometer, the pressure is fed back to the control unit 16, so that the control unit 16 compares the magnitude of the pressure fed back with the magnitude of the pressure initially set, when the magnitude of the fed-back pressure is smaller than that of the initially set pressure, the control unit 16 controls the load cell to apply a further pressure to the cutting edge of the blade 181 to be dulled, so that the cutting edge of the blade 181 to be dulled can be always tightly abutted against the polishing pad 121 during the dulling process to complete the dulling process of the cutting edge of the blade 181 to be dulled.
The control unit 16 is electrically connected to the moving assembly 13 and the polishing assembly 12, and is configured to control the moving assembly 13, further adjust the position of the blade 181 to be passivated, and control the polishing assembly 12 to perform a polishing and passivating process on the blade 181 to be passivated. The control unit 16 may be, for example, a PLC control module, an upper computer, or the like, as long as the control unit 16 can implement a module or a device that controls functions.
In one embodiment of the present application, as shown in fig. 2, the vibration assembly 14 includes a base 141, a first-direction (X-direction shown in fig. 2) vibrator 142, a second-direction (Y-direction shown in fig. 2) vibrator 143, and a flexible hinge 144.
The base 141 is connected to the moving assembly 13, for example, a first connection end and a second connection end are disposed on the base 141, the first direction vibrator 142 is disposed on the first connection end of the base 141, and the second direction vibrator 143 is disposed on the second connection end of the base. The flexible hinge 144 connects the first direction vibrator 142 and the second direction vibrator 143, in this embodiment, the first direction vibrator 142 may be connected to the flexible hinge 144 by a connecting member such as a bolt, and the second direction vibrator 143 may also be connected to the flexible hinge 144 by a connecting member such as a bolt. Flexible hinge 144 also connects blade mounting assembly 18. The vibration assembly 14 vibrates the first directional vibrator 142 and the second directional vibrator 143 and drives the blade 181 to be passivated on the blade mounting assembly 18 to vibrate through the received ultrasonic vibration signal. The flexible hinge 144 is provided to fix the first and second directional vibrators 142 and 143 and to facilitate the vibration of the first and second directional vibrators 142 and 143, in order to prevent the first and second directional vibrators 142 and 143 from being detached during vibration.
In one embodiment of the present application, as shown in fig. 1, the cutting edge dulling apparatus 10 further comprises, for example, an ultrasonic generating assembly 19. Wherein the ultrasonic generating assembly 19 is connected to the vibrating assembly. The ultrasonic generating assembly 19 is used to provide an ultrasonic vibration signal to the vibration assembly 14. The ultrasound generating assembly 19 may be, for example, an ultrasound generator.
As shown in fig. 4, in the present embodiment, the ultrasonic wave generating assembly 19 includes, for example, an ultrasonic wave generator 191 and a power amplifier 192, the ultrasonic wave generator 191 is electrically connected to the power amplifier 192, and the power amplifier 192 is electrically connected to the vibration assembly 14; the ultrasonic generator 191 is configured to generate an ultrasonic vibration signal according to the received ultrasonic vibration parameter and send the ultrasonic vibration signal to the power amplifier 192; the power amplifier 192 is configured to amplify the ultrasonic vibration signal and output the amplified ultrasonic vibration signal to the vibration assembly 14.
Wherein the ultrasonic vibration parameters can be provided by other devices electrically connected with the ultrasonic generator, for example, a host computer such as a PC. In this embodiment, the ultrasonic vibration parameters may be obtained by analyzing and simulating two-dimensional ultrasonic vibration. Wherein the ultrasonic vibration parameters comprise respective frequencies and amplitudes of first-direction vibration and second-direction vibration when the Lissajous motion trail is closed in two-dimensional ultrasonic vibration, and phase differences of the first-direction vibration and the second-direction vibration.
Specifically, in the two-dimensional ultrasonic wave, the parameter condition of the two-dimensional vibration closed lissajous motion can be obtained according to the motion characteristics of the two-dimensional ultrasonic vibration, as shown in (1):
wherein x is as shown in FIG. 1Y is the vibration in the Y direction shown in FIG. 1, A 1 Is the amplitude of the vibration in the X direction, m is the frequency of the vibration in the X direction, A 2 The amplitude of the vibration in the Y direction is shown, n is the frequency of the vibration in the Y direction, theta is the phase difference between the vibration in the X direction and the vibration in the Y direction, and t is a time variable.
The graph of the Lissajous movement track is divided into a closed graph and an unsealed graph, and the unsealed condition of the Lissajous graph can be shown as (2):
in formula (2), k is 0, 1, 2, 3, … …, k' is 0, 1, 2, 3, … …. In the present embodiment, the ultrasonic vibration parameters are such that the pattern requiring the lissajous motion is a closed pattern, i.e., the phase difference θ and the frequency ratio of the X-direction vibration and the Y-direction vibration
When the formula (2) is not satisfied, the figure of the lissajous motion trail at this time is a closed figure, and the condition for obtaining the ultrasonic vibration parameter can be satisfied. When theta and
if the formula (2) is not satisfied, the calculation can be performed by simulation software in a PC, for example, Matlab simulation software. While the amplitude A of the vibration in the X direction 1 And the amplitude A of the vibration in the Y direction 2 When the two motion paths are equal, a closed figure of the motion path of the Lissajous (namely a curve figure with better compactness and uniformity of the motion path of the Lissajous) can be calculated and preferably obtained through Matlab simulation software, and further the frequency ratio is obtained
A value of, for example, when A 1 ＝A 2 When the phase angle θ is 180 ° and 10, the frequency ratio can be obtained by Matlab simulation software
Which is 0.79, the figure of the lissajous motion trajectory is shown in figure 5 a.
When A is 1 ＝A 2 When the phase angle theta is 90 degrees, the frequency ratio can be obtained through Matlab simulation software
A graph of the lissajous trajectory can be seen in fig. 5 b.
By the above method, ultrasonic vibration parameters of the frequency and amplitude of the first direction vibration and the second direction vibration, and the phase difference between the first direction vibration and the second direction vibration can be obtained when the lissajous motion trajectory is closed in the two-dimensional ultrasonic vibration, then the parameters are input to the ultrasonic generator 191, then the ultrasonic generator 191 transmits an ultrasonic vibration signal to the power amplifier 192 to be amplified and output to the vibration component 14, so that the first direction vibrator 142 in the vibration component 14 can generate vibration according to the first direction vibration frequency and amplitude when the lissajous motion trajectory is closed, and the phase difference between the first direction vibration and the second direction vibration, and the second direction vibrator 143 can generate vibration according to the second direction vibration frequency and amplitude when the lissajous motion trajectory is closed.
In one embodiment of the present application, as shown in fig. 1, the cutting edge passivating device 10 further comprises a passivating liquid supply component 17, for example, and the passivating liquid supply component 17 is arranged corresponding to the polishing component 12 and the blade 181 to be passivated and is used for supplying passivating liquid to the polishing component 12 and the blade 181 to be passivated.
The passivation solution supply assembly 17 includes, for example, a peristaltic pump and a control switch, the peristaltic pump is electrically connected to the control switch, and the control switch can control the peristaltic pump to drop passivation solution to the polishing pad 121 of the polishing assembly 12 and the blade 181 to be passivated. The peristaltic pump may be, for example, a peristaltic pump in the prior art, one end of a hose of the peristaltic pump and the passivation solution may be placed in a container, and when the passivation solution is required to be added dropwise, the control switch is turned on, so that the peristaltic pump can be controlled to add the passivation solution in the hose to the polishing pad 121. In other embodiments, the control switch may be electrically connected to the control unit 16, i.e., the passivation solution supply assembly 17 may be controlled by the control unit to provide the passivation solution. The passivation solution may be provided by manually controlling the passivation solution supply assembly 17 without being electrically connected to the control unit 16, and the passivation solution supply assembly is not limited herein.
In a preferred embodiment of the present application, the passivation solution may include, for example, a crude passivation solution including first abrasive particles, a first oxidant and a first dispersant, wherein the first abrasive particles are alumina having a particle size in a range of 0.05-1 μm, and a volume of the alumina is 6-10% of a volume of the crude passivation solution; the first oxidant is hydrogen peroxide, and the volume of the hydrogen peroxide is 10-16% of the volume of the coarse passivation solution; the first dispersing agent is sodium dodecyl sulfate, and the volume of the sodium dodecyl sulfate is 6-12% of the volume of the crude passivation solution. The passivation solution supply component 17 provides a coarse passivation solution to enable the cutting edge passivation device 10 to perform coarse passivation treatment on the blade 181 to be passivated and to perform de-roughening treatment on the cutting edge material of the blade 181 to be passivated. By adopting the coarse passivation solution provided by the embodiment of the invention, the passivation time can be saved.
Further, the passivation solution can further comprise a fine passivation solution, wherein the fine passivation solution comprises second abrasive particles, a second oxidant and a second dispersing agent, the second abrasive particles are diamond powder with the particle size range of 0.5-2.5 micrometers, and the mass of the diamond powder is 9-15% of that of the fine passivation solution; the second oxidant is hydrogen peroxide, and the mass of the hydrogen peroxide is 10-20% of that of the fine passivation solution; the second dispersing agent is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of that of the fine passivation solution. The passivation solution supply assembly 17 provides the fine passivation solution, so that the cutting edge passivation device 10 performs fine passivation on the blade 181 to be passivated, and corrects the shape of the cutting edge of the blade 181 to be passivated, so that the surface roughness of the cutting edge of the blade 181 to be passivated is reduced. Because the fine passivation process is time-consuming, the blade 181 to be passivated can be roughly passivated first and then be finely passivated, so that the passivation time of the blade 181 to be passivated is reduced, and the passivation efficiency is improved.
The working principle of the embodiment is as follows:
first, the crude passivation solution and the fine passivation solution were prepared according to the composition and the ratio as described in the above examples.
And (3) roughly passivating the blade 181 to be passivated: determining cutting edge parameters of a blade 181 to be passivated, performing rough passivation treatment on the blade 181 to be passivated as required, detecting a passivation pressure value of the blade to be passivated through a pressure detection component 15, inputting the cutting edge parameters and the passivation pressure value into a control unit 16, setting the rotation speed of a polishing disc in a polishing component 12 through the control unit 16, mounting the blade 181 to be passivated on a blade mounting component 18, adjusting a moving component 13 through the control unit 16 according to the cutting edge parameters until the blade 181 to be passivated is tightly abutted on a groove of a polishing pad 121, controlling a passivation liquid supply component 17 to provide rough passivation liquid to the blade 181 to be passivated and the polishing pad 121 through the control unit 16, applying pressure to the blade 181 to be passivated through the control unit according to the passivation pressure value, monitoring the pressure value detected by the pressure detection component 15, and simultaneously controlling the rotation speed of the polishing disc 122 through the control unit 16, then the frequency ratio of the compactness and the good uniformity of the Lissajous motion trail of the two-dimensional ultrasonic vibration determined by the PC machine
The method comprises the steps of obtaining an X-direction vibration frequency and amplitude, a Y-direction vibration frequency and amplitude, and a phase angle theta (namely an ultrasonic vibration parameter) of the X-direction vibration and the Y-direction vibration, inputting the ultrasonic vibration parameter into an ultrasonic generator 191, sending an ultrasonic vibration signal to a power amplifier by the ultrasonic generator 191 for amplification, and then transmitting the amplified ultrasonic vibration signal to a first-direction vibrator 142 and a second-direction vibrator 143 of a vibration component 14, so that the first-direction vibrator 142 vibrates according to the X-direction vibration frequency and amplitude, and the second-direction vibrator 143 vibrates according to the Y-direction vibration frequency and amplitude, and then driving the blade 181 to be passivated to vibrate, and thus the coarse passivation treatment of the blade 181 to be passivated is realized. After the edge material of the blade 181 to be passivated has been roughened, the edge passivating device 10 is then closed.
And (3) carrying out fine passivation on the blade to be passivated 181: determining cutting edge parameters of a blade 181 to be passivated, performing rough passivation treatment on the blade 181 to be passivated as required, detecting a passivation pressure value of the blade to be passivated through a pressure detection assembly 15, inputting the cutting edge parameters and the passivation pressure value into a control unit 16, setting the rotation speed of a polishing disc in a polishing assembly 12 through the control unit 16, mounting the blade 181 to be passivated on a blade mounting assembly 18, adjusting a moving assembly 13 through the control unit 16 according to the cutting edge parameters until the blade 181 to be passivated is tightly abutted on a groove of a polishing pad 121, controlling a passivation liquid supply assembly 17 to provide a fine passivation liquid to the blade 181 to be passivated and the polishing pad 121 through the control unit 16, applying pressure to the blade 181 to be passivated through the control unit according to the passivation pressure value, monitoring the pressure value detected by the pressure detection assembly 15, and simultaneously controlling the rotation speed of the polishing disc 122 through the control unit 16, then the frequency ratio with good compactness and uniformity of the Lissajous motion trail of the two-dimensional ultrasonic vibration determined by the PC is determined
The method comprises the steps that the vibration frequency and amplitude in the X direction, the vibration frequency and amplitude in the Y direction and the phase angle theta (namely the ultrasonic vibration parameters) of the vibration in the X direction and the vibration in the Y direction are obtained, then the ultrasonic vibration parameters are input into an ultrasonic generator 191, the ultrasonic generator 191 sends ultrasonic vibration signals to a power amplifier to be amplified and then transmits the ultrasonic vibration signals to a first direction vibrator 142 and a second direction vibrator 143 of a vibration assembly 14, so that the first direction vibrator 142 vibrates according to the vibration frequency and amplitude in the X direction, the second direction vibrator 143 vibrates according to the vibration frequency and amplitude in the Y direction, then the vibration of a blade 181 to be passivated is driven, and the fine passivation treatment of the blade 181 to be passivated is achieved. The shape of the edge of the blade 181 to be dulled is modified and the edge duller 10 is then closed.
Above-mentioned coarse passivation processing and smart passivation processing can treat passivation blade 181 as required and carry out different processings, in this embodiment, treat passivation blade 181 and carry out coarse passivation processing earlier, then carry out smart passivation processing again, the processing procedure of first coarse passivation then smart passivation can carry out as above coarse passivation processing earlier, then during smart passivation processing, only need through the control unit 16 adjustment passivation pressure value, and adjust the polishing dish rotational speed in the polishing subassembly 12, control passivation liquid supply assembly 17 supplies smart passivation liquid simultaneously, can realize treating the process of passivation blade 181 first coarse passivation processing then smart passivation processing, thereby make the time of treating the whole passivation process of passivation blade 181 reduce, promote passivation efficiency and passivation precision. In other embodiments, only the rough passivation process or the fine passivation process may be performed on the blade to be passivated 181 according to the needs of the user, which is not limited herein.
In the embodiment, the vibration component 14 is arranged to receive the ultrasonic vibration signal to generate vibration and drive the blade 181 to be passivated on the blade mounting component 18 to vibrate, and the blade 181 to be passivated is passivated through the matching of the vibration component 14, the polishing component 12 and the moving component 13, so that the blade passivation efficiency and the blade passivation accuracy are improved. Through setting up pressure measurement subassembly 15 and the control unit 16 for blade passivation device 10 can pass through the cooperation between the control unit 16 control pressure measurement subassembly 15, polishing subassembly 12 and the motion subassembly 13, treats passivation blade 181 and passivates, in order to promote the passivation efficiency and the passivation precision of blade. By providing the passivation solution supply assembly 17, and the passivation solution may include a coarse passivation solution and a fine passivation solution, different passivation solutions may be provided to the polishing assembly 12 and the blade 181 to be passivated, so as to meet different requirements of users and further improve passivation efficiency.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and technical solutions of the embodiments can be arbitrarily combined and used without conflict between technical features and structures, and without departing from the purpose of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A cutting edge dulling device (10), comprising:
a frame (11);
a polishing assembly (12) disposed adjacent to the frame (11);
a moving assembly (13) connected to the frame (11);
a vibrating assembly (14) connected to the moving assembly (13);
a pressure detection assembly (15) connected between the motion assembly (13) and the vibration assembly (15);
a control unit (16) electrically connecting the moving assembly (13), the polishing assembly (12) and the pressure detection assembly (15);
a passivation solution supply assembly (17) which is arranged corresponding to the polishing assembly (12) and the blade (181) to be passivated and is electrically connected with the control unit (16); and
the blade mounting assembly (18) is connected to the vibration assembly (14), arranged corresponding to the polishing assembly (12) and used for mounting the blade (181) to be passivated.
2. A cutting edge passivation device (10), characterized by comprising:
a frame (11);
a polishing assembly (12) disposed adjacent to the frame (11);
a moving assembly (13) connected to the frame (11) and movable relative to the frame (11);
a vibrating assembly (14) connected to the moving assembly (13);
a blade mounting assembly (18) for mounting a blade (181) to be passivated, attached to the vibration assembly (14) and disposed in correspondence with the burnishing assembly (12);
the vibration component (14) is used for generating vibration according to the received ultrasonic vibration signal and driving the blade (181) to be passivated on the blade mounting component (18) to vibrate, and is matched with the polishing component (12) and the moving component (13) to passivate the blade (181) to be passivated.
3. The edge passivation device (10) of claim 2, characterized in that the edge passivation device (10) further comprises a control unit (16), the control unit (16) electrically connecting the motion assembly (13) and the polishing assembly (12).
4. The edge passivation device (10) of claim 3, characterized in that the edge passivation device (10) further comprises a pressure detection assembly (15), the pressure detection assembly (15) being connected between the vibration assembly (14) and the motion assembly (13) and being electrically connected to the control unit (16).
5. The cutting edge dulling device (10) according to claim 2, wherein the vibration assembly (14) comprises:
a base (141) connected to the moving assembly (13);
a first directional vibrator (142) provided on the base (141);
a second directional vibrator (143) provided on the base (141); and
a flexible hinge (144) connecting the first direction vibrator (142) and the second direction vibrator (143), the flexible hinge (144) further connecting the blade mounting assembly (18).
6. The edge passivation device (10) of claim 2, characterized in that the edge passivation device (10) further comprises a passivation liquid supply assembly (17), the passivation liquid supply assembly (17) being arranged in correspondence with the polishing assembly (12) and the blade (181) to be passivated and being adapted to supply the polishing assembly (12) and the blade (181) to be passivated with passivation liquid.
7. The cutting edge passivation device (10) according to claim 6, characterized in that the passivation solution comprises a coarse passivation solution comprising first abrasive particles, a first oxidizing agent and a first dispersing agent, wherein the first abrasive particles are alumina having a particle size in the range of 0.05-1 micrometer, and the volume of the alumina is 6-10% of the volume of the coarse passivation solution; the first oxidant is hydrogen peroxide, and the volume of the hydrogen peroxide is 10-16% of the volume of the coarse passivation solution; the first dispersing agent is sodium dodecyl sulfate, and the volume of the sodium dodecyl sulfate is 6-12% of the volume of the crude passivation solution.
8. The cutting edge passivation device (10) according to claim 6 or 7, characterized in that the passivation solution comprises a fine passivation solution comprising second abrasive particles, a second oxidant and a second dispersant, wherein the second abrasive particles are diamond powder with a particle size in the range of 0.5-2.5 micrometers, and the mass of the diamond powder is 9-15% of the mass of the fine passivation solution; the second oxidant is hydrogen peroxide, and the mass of the hydrogen peroxide is 10-20% of that of the fine passivation solution; the second dispersing agent is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of that of the fine passivation solution.
9. The edge blunting device (10) according to claim 2, wherein the edge blunting device (10) further comprises an ultrasonic generating assembly (19), the ultrasonic generating assembly (19) being connected to the vibration assembly (14).
10. The cutting edge passivation device (10) according to claim 9, characterized in that the ultrasound generating assembly (19) comprises: an ultrasonic generator (191) and a power amplifier (192); wherein the ultrasonic generator (191) is electrically connected to the power amplifier (192), and the power amplifier (192) is electrically connected to the vibration assembly (14); the ultrasonic generator (191) is used for generating an ultrasonic vibration signal according to the received ultrasonic vibration parameters and sending the ultrasonic vibration signal to the power amplifier (192); the power amplifier (192) is used for amplifying the ultrasonic vibration signal and outputting the amplified ultrasonic vibration signal to the vibration assembly (14); the ultrasonic vibration parameters comprise the respective frequencies and amplitudes of the first direction vibration and the second direction vibration when the Lissajous motion trail is closed in the two-dimensional ultrasonic vibration and the phase difference of the first direction vibration and the second direction vibration.
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