CN114986266B - Cutting edge passivation device - Google Patents
Cutting edge passivation device Download PDFInfo
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- CN114986266B CN114986266B CN202210786853.7A CN202210786853A CN114986266B CN 114986266 B CN114986266 B CN 114986266B CN 202210786853 A CN202210786853 A CN 202210786853A CN 114986266 B CN114986266 B CN 114986266B
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- assembly
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- passivation
- blade
- passivated
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- 238000002161 passivation Methods 0.000 title claims abstract description 167
- 238000005520 cutting process Methods 0.000 title claims abstract description 67
- 238000005498 polishing Methods 0.000 claims abstract description 81
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 24
- 239000007788 liquid Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 19
- 238000001514 detection method Methods 0.000 claims description 18
- 239000002245 particle 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 10
- 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
- 239000000463 material Substances 0.000 claims description 3
- 238000004088 simulation Methods 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 claims description 2
- 230000002572 peristaltic effect Effects 0.000 description 7
- 230000007547 defect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000006061 abrasive grain Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- 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
Classifications
-
- 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
Landscapes
- 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
An edge passivation device according to an embodiment of the present application includes, for example: a frame; a polishing assembly disposed adjacent to the frame; a motion assembly coupled 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 the 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 being matched with the polishing assembly and the motion assembly to passivate the blade to be passivated. The embodiment can improve passivation efficiency and passivation precision of the blade cutting 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
Cemented carbide inserts are composed of carbide of refractory metals of high hardness, which, after sintering, still have defects to varying degrees at the cutting edge, such as fine saw tooth notches or wear marks, etc., which cause a reduction in the strength of the cutting edge, making the insert more susceptible to chipping, sharpening or other forms of breakage, and thus a reduction in the useful life of the insert.
In the prior art, in order to reduce or eliminate the defects at the cutting edge, the cutting edge of the blade is generally passivated after the last step of the blade manufacturing process is completed, and a mechanical passivation method is adopted in the passivation process, such as micro-abrasive water jet passivation, vibration passivation, laser method passivation, magnetization method passivation, sand blasting method passivation, abrasive nylon brush passivation and the like. However, due to the mechanical passivation treatment, the surface roughness of the passivated cutting edge is in the micron level, the passivation machine does not provide reasonable parameters for reference, an operator performs passivation according to the required passivation amount, the passivation efficiency and the geometric accuracy of the cutting edge are not ideal only through experience, and the surface of the cutting edge also has the defects of abrasive particle scratches, metamorphic layers, surface/subsurface damage and the like.
Disclosure of Invention
Therefore, in order to overcome at least part of the defects and shortcomings in the prior art, the embodiment of the invention provides a cutting edge passivation device so as to improve the passivation precision and passivation efficiency of a cutting edge.
In one aspect, an apparatus for passivation of a cutting edge according to an embodiment of the present invention includes: a frame; a polishing assembly disposed adjacent to the frame; the motion assembly is connected with the frame; the vibration assembly is connected to the motion assembly; a pressure detection assembly connected between the motion assembly and the vibration assembly; a control unit electrically connected to the motion assembly, the polishing assembly, and the pressure detection assembly; the passivation solution 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 movement assembly, the vibration assembly, the pressure detection assembly and the passivating liquid supply assembly are arranged, the movement of the blade to be passivated in the blade mounting assembly is controlled through the control unit, the polishing assembly, the pressure detection assembly and the passivating liquid supply assembly, and the movement of the blade to be passivated in the blade mounting assembly is controlled through the vibration 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 device, including, for example: a frame; a polishing assembly disposed adjacent to the frame; a motion assembly coupled 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 the 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 being matched with the polishing assembly and the motion assembly to passivate the blade to be passivated.
In one embodiment of the invention, the edge passivation device further comprises a control unit electrically connecting the motion assembly and the polishing assembly.
In one embodiment of the invention, the edge passivation device further comprises a pressure detection assembly connected between the vibration assembly and the movement assembly and electrically connected to the control unit.
In one embodiment of the invention, the vibration assembly comprises: the base is connected with the motion assembly; a first direction vibrator provided on the base; the second direction vibrator is arranged on the base; and a flexible hinge connecting the first direction vibrator and the second direction vibrator, the flexible hinge further connecting the blade mounting assembly.
In one embodiment of the present invention, the edge passivation device further includes a passivation solution supply assembly disposed in correspondence with the polishing assembly and the blade to be passivated and configured to supply a passivation solution to the polishing assembly and the blade to be passivated.
In one embodiment of the invention, the passivation solution comprises a crude passivation solution comprising first abrasive particles, a first oxidant and a first dispersant, wherein the first abrasive particles are alumina with a particle size ranging from 0.05 to 1 micron, and the volume of the alumina is 6 to 10 percent 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 crude 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 passivating solution comprises a refined passivating solution, the refined passivating solution comprises second abrasive particles, a second oxidant and a second dispersant, wherein the second abrasive particles are diamond powder with the particle size ranging from 0.5 to 2.5 microns, and the mass of the diamond powder is 9 to 15 percent of the mass of the refined passivating solution; the second oxidant is hydrogen peroxide, and the mass of the hydrogen peroxide is 10% -20% of the mass of the refined passivation solution; the second dispersing agent is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of the mass of the refined passivation solution.
In one embodiment of the invention, the edge passivation device further comprises an ultrasonic wave generating assembly connected to the vibration assembly.
In one embodiment of the invention, the ultrasonic wave generating assembly comprises: 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 parameter 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 component; 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 the two-dimensional ultrasonic vibration, and phase differences of the first-direction vibration and the second-direction vibration.
From the above, the technical features of the present invention have the following advantages:
1. According to the embodiment, the vibration assembly is arranged to receive ultrasonic vibration signals to generate vibration and drive the blade to be passivated on the blade mounting assembly to vibrate, and the blade to be passivated is passivated through the cooperation of the vibration assembly, the polishing assembly and the motion assembly, so that the passivation efficiency and the passivation precision of the blade are improved.
2. According to the embodiment, the pressure detection assembly and the control unit are arranged, so that the cutting edge passivating device can control the cooperation among the pressure detection assembly, the polishing assembly and the motion assembly through the control unit, and the blade to be passivated is passivated, so that the passivating efficiency and the passivating precision of the blade are improved.
3. According to the embodiment, the passivation solution supply assembly is arranged, the passivation solution can comprise coarse passivation solution and fine passivation solution, and different passivation solutions can be provided for the polishing assembly and the blade to be passivated, so that different requirements of users are met, and the passivation efficiency is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
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 view of the relative positional relationship of the vibration assembly and the blade mounting assembly shown in fig. 1.
Fig. 3 is an exploded view of the polishing assembly of fig. 1.
Fig. 4 is an exploded view of the structure of the ultrasonic wave generating assembly shown in fig. 1.
Fig. 5a is a schematic diagram of a motion trail curve effect of lissajous according to an embodiment of the present invention.
Fig. 5b is a schematic diagram of another motion trail curve effect of lissajous according to an embodiment of the present invention.
Fig. 6 is a schematic structural view of a blade to be passivated according to an embodiment of the present invention.
Fig. 7a is a schematic view of one of the types of cutting edges shown in fig. 6.
Fig. 7b is a schematic view of another type of cutting edge shown in fig. 6.
Fig. 7c is a schematic view of yet another type of cutting edge shown in fig. 6.
[ Figure identification Specification ]
10: A cutting edge passivation device; 11: a frame; 12: a polishing assembly; 13: a motion assembly; 14: a vibration 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: polishing disk; 123: an outer housing; 141: a base; 142: a first direction vibrator; 143: a second direction vibrator; 144: a flexible hinge; 181: a blade to be passivated; 191: an ultrasonic generator; 192: a power amplifier; 1811: arc of knife tip; 1812: a cutting edge; x: a first direction; y: a second direction; z: and a third direction.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1, an embodiment of the present application provides a cutting edge passivation device 10. The edge passivation means 10 includes, for example: a housing 11, a polishing 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 housing 11. The movement assembly 13 is connected to the frame 11 and is movable relative to the frame 11. The vibration assembly 14 is coupled to a motion assembly. The blade mounting assembly 18 is used to mount the blade 181 to be passivated, and the blade mounting assembly 18 is connected to the vibration assembly 14 and is disposed in correspondence with the polishing assembly 12.
In the embodiment of the present application, the frame 11 may be, for example, a frame applied to a numerical control machine tool. The polishing assembly of the present application may be, for example, a polishing assembly as shown in fig. 5, where the polishing assembly 12 includes, for example, a polishing pad 121, a polishing disc 122 and an outer housing 123, where the polishing disc 122 is disposed in the outer housing 123, the polishing pad 121 is disposed on the polishing disc 122, in this embodiment, the polishing pad 121 is a circular polishing pad, a plurality of grooves sequentially arranged outward from the center of a circle are disposed on the circular polishing pad, the polishing disc is used to drive the polishing pad to rotate, and the rotation speed of the polishing disc may be manually set or may be adjusted by a control device, for example, an upper computer or a PLC control unit.
As shown in fig. 1, the moving assembly 13 may include, for example, a linear moving unit and a swing unit. In this embodiment, the linear motion unit may include, for example, a linear motion unit in a second direction (in the Y-axis direction as shown in fig. 1) and a linear motion unit in a third direction (in the Z-axis direction as shown in fig. 1), where the second direction linear motion unit may be fixedly connected to the frame 11 through a fixing member, for example, a bolt, and the second direction linear motion unit may include, for example, a stepper motor, a screw, and a sliding table, and the second direction linear motion unit may control the sliding table to reciprocate on the screw in the Y-axis direction through the stepper motor. The third direction rectilinear motion unit may be fixedly coupled to the slide table of the second direction rectilinear motion unit by a fixing member such as a bolt. The third-direction linear motion unit can comprise a stepping motor, a screw rod and a sliding table, and the third-direction linear motion unit can control the sliding table to reciprocate on the screw rod along the Z-axis direction through the stepping motor. The swinging unit may include, for example, a swinging unit in a first direction (X-axis direction as shown in fig. 1) and a swinging unit in a second direction. Wherein 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 this embodiment, the first direction swinging unit may include, for example, a cambered cam, a driven plate, 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 such as a bolt, and the second direction swinging unit may include, for example, a cambered cam, a driven plate, and a turntable. Through the arrangement, a user can manually adjust the movement positions of the blade 181 to be mounted in the Y axis and the Z axis and the swing positions of the blade 181 in the X axis and the Y axis, so that the cutting edge passivating device 10 can conveniently conduct passivating treatment on the blade 181 to be passivated, and meanwhile, the user can conveniently adjust the position of the blade to be passivated.
Wherein the blade mounting assembly 18 may be, for example, a knife bar having one end (e.g., the upper end of the blade mounting assembly 18 in fig. 2) coupled to the vibration assembly 14 via a threaded connection. The blade to be dulled is mounted at the other end of the cutter bar, for example by means of a threaded connection. And after the passivation of the blade to be passivated is finished, the blade to be passivated is taken down.
The vibration assembly 14 is configured to generate vibration according to the received ultrasonic vibration signal, and drive the blade 181 to be passivated on the blade mounting assembly 18 to vibrate, and cooperate with the polishing assembly 12 and the movement assembly 13 to passivate the blade 181 to be passivated.
The tip of the blade 181 to be passivated is shown in fig. 6, and includes, for example, a cutting edge 1811 and a tip arc 1812, and since the cutting edge parameters of the blade 181 to be passivated need to be determined before the blade 181 to be passivated, the cutting edge parameters include, for example, a cutting edge type and a geometric dimension of the cutting edge (or a dimension of the tip arc), and the cutting edge type may include, for example, a circular arc shape (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 the cutting edge parameters are obtained, the motion assembly 13 can be adjusted according to the cutting edge parameters, so that the cutting edge can be better abutted against the polishing assembly 12, and a better passivation effect is achieved. As shown in fig. 7a-7c, α is the relief angle of the blade, γ is the rake angle of the blade, S γ is the distance from the intersection point of the extension lines of the front and rear rake surfaces of the cutting edge to the front rake surface, and S α is the distance from the intersection point of the extension lines of the front and rear rake surfaces of the cutting edge to the rear rake surface. When the ratio of S γ/Sα is less than 1, the edge type is a waterfall-shaped edge as shown in fig. 7 b. When the ratio of S γ/Sα is greater than 1, the edge type is an inverted waterfall edge as shown in FIG. 7 c.
The working principle of the embodiment is as follows: firstly, a user can mount the blade 181 to be passivated onto the blade mounting assembly 18, then the user can adjust the blade 181 to be passivated through the movement assembly 13, so that the blade to be passivated can be abutted against the polishing assembly 12, and then the cutting edge passivation device is started, at this time, the vibration assembly 14 receives an ultrasonic vibration signal, so that the vibration assembly generates vibration, 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 that the passivation efficiency and passivation precision of the blade to be passivated are achieved.
In the embodiment, the vibration component 14 is arranged to receive ultrasonic vibration signals 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 one embodiment of the present application, the edge passivation device 10 further includes, for example: a control unit 16 and a pressure detection assembly 15.
Wherein the pressure detecting assembly 15 is connected between the vibration assembly 14 and the movement assembly 13, and the pressure detecting assembly 15 is electrically connected to the control unit 16; specifically, the pressure detecting assembly 15 is connected between the turntable of the second-direction swing unit in the moving assembly 13 and the vibration assembly 14 by bolts. In this embodiment, the pressure detecting component 15 may be, for example, a load cell including a pressure sensor; the working principle of the dynamometer is as follows: firstly, a pressure is set to be 10KPa for the dynamometer through the control unit, the pressure of 10KPa is applied to the cutting edge of the blade 181 to be passivated, so that the cutting edge of the blade 181 to be passivated can be tightly abutted against the polishing pad 121 of the polishing component 12, then the pressure on the cutting edge of the blade 181 to be passivated is measured in real time through the pressure sensor on the dynamometer, the pressure is fed back to the control unit 16, so that the control unit 16 compares the fed back pressure with the initially set pressure, and when the fed back pressure is smaller than the initially set pressure, the control unit 16 controls the dynamometer to apply a pressure to the cutting edge of the blade 181 to be passivated, so that the cutting edge of the blade 181 to be passivated can be tightly abutted against the polishing pad 121 all the time in the passivation process, and the passivation process of the cutting edge of the blade 181 to be passivated is completed.
The control unit 16 is electrically connected to the motion assembly 13 and the polishing assembly 12, and is used for controlling the motion assembly 13 to further adjust the position of the blade 181 to be passivated, and controlling the polishing assembly 12 to perform a polishing passivation process on the blade 181 to be passivated. The control unit 16 may be, for example, a PLC control module or an upper computer, etc., as long as the control unit 16 of the module or the apparatus capable of realizing the control function.
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 as shown in fig. 2) vibrator 142, a second-direction (Y-direction as 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, and in this embodiment, the first direction vibrator 142 may be connected to the flexible hinge 144 by a connection member such as a bolt, and the second direction vibrator 143 may be connected to the flexible hinge 144 by a connection member such as a bolt. The flexible hinge 144 is also coupled to the blade mounting assembly 18. The vibration assembly 14 makes the first direction vibrator 142 and the second direction vibrator 143 vibrate through the received ultrasonic vibration signals, and drives the blade 181 to be passivated on the blade mounting assembly 18 to vibrate. The flexible hinge 144 is provided to prevent the first and second direction vibrators 142 and 143 from falling off when vibrating, to fix the first and second direction vibrators 142 and 143, and to facilitate the vibration of the first and second direction vibrators 142 and 143.
In one embodiment of the application, as shown in FIG. 1, the edge passivation device 10 also includes, for example, an ultrasonic wave generating assembly 19. Wherein the ultrasonic wave generating assembly 19 is connected to the vibrating assembly. The ultrasonic wave generating assembly 19 is configured to provide an ultrasonic vibration signal to the vibration assembly 14. The ultrasonic wave generating assembly 19 may be, for example, an ultrasonic wave generator.
As shown in fig. 4, in this embodiment, the ultrasonic wave generating assembly 19 includes, for example, an ultrasonic wave generator 191 and a power amplifier 192, where 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 transmit 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.
The ultrasonic vibration parameter may be provided by other devices electrically connected to the ultrasonic generator, such as a host computer, for example, a PC. In this embodiment, the ultrasonic vibration parameter may be obtained by analyzing and simulating the two-dimensional ultrasonic vibration. 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 conditions of the two-dimensional vibration closure Li Sa such as the motion can be obtained according to the motion characteristics of the two-dimensional ultrasonic vibration, as shown in (1):
，(1)
Where X is the vibration in the X direction shown in fig. 1, Y 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 is the amplitude of the vibration in the Y direction, n is the frequency of the vibration in the Y direction, θ is the phase difference between the vibration in the X direction and the vibration in the Y direction, and t is the time variation.
The patterns of the Lissajous movement track are divided into a closed pattern and an unsealed pattern, and the unsealed condition of the Lissajous pattern can be shown as (2):
，(2)
in the formula (2), k=0, 1,2,3, … …, k' =0, 1,2,3, … …. In the present embodiment, the ultrasonic vibration parameters are a pattern requiring Li Sa such as a motion as a closed pattern, i.e., a phase difference θ and a frequency ratio of X-direction vibration and Y-direction vibration When the above formula (2) is not satisfied, the pattern of the Lissajous movement track at this time is a closed pattern, and the condition for obtaining the ultrasonic vibration parameter can be satisfied. When theta and/>When the above formula (2) is not satisfied, the calculation can be performed by simulation software in the PC, for example Matlab simulation software. Meanwhile, when the amplitude A 1 of the X-direction vibration is equal to the amplitude A 2 of the Y-direction vibration, a closed figure of the Lissajous movement track (namely, a curve figure with good compactness and uniformity of the Lissajous movement track) can be calculated and preferably obtained through Matlab simulation software, so that the frequency ratio/>For example, when a 1=A2 =10 and the phase angle θ is 180 °, the frequency ratio/>, can be obtained by Matlab simulation softwareThe figure of the Lissajous movement track is 0.79 as shown in figure 5a.
When A 1=A2 and the phase angle theta is 90 degrees, the frequency ratio can be obtained by Matlab simulation softwareThe pattern of lissajous motion profile can be shown in fig. 5 b=0.76.
By the above method, the ultrasonic vibration parameters of the frequencies and amplitudes of the first direction vibration and the second direction vibration when the lissajous movement track is closed and the phase difference of the first direction vibration and the second direction vibration in the two-dimensional ultrasonic vibration can be obtained, then the parameters are input to the ultrasonic generator 191, then the ultrasonic generator 191 transmits the ultrasonic vibration signal to the power amplifier 192 to amplify 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 frequencies and amplitudes of the first direction vibration and the phase difference of the first direction vibration and the second direction vibration when the lissajous movement track is closed, and the second direction vibrator 143 generates vibration according to the frequencies and the amplitudes of the second direction vibration and the phase difference of the first direction vibration and the second direction vibration when the lissajous movement track is closed.
In one embodiment of the present application, as shown in fig. 1, the edge passivation device 10 further includes a passivation solution supply assembly 17, where the passivation solution supply assembly 17 is disposed corresponding to the polishing assembly 12 and the blade 181 to be passivated, and is configured to provide passivation solution to the polishing assembly 12 and the blade 181 to be passivated.
The passivation solution supply assembly 17 includes, for example, a peristaltic pump and a control switch, where the peristaltic pump is electrically connected to the control switch, and the control switch can control the peristaltic pump to drop the 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 of the prior art, wherein one end of the peristaltic pump hose and the passivating liquid may be placed in a container, and when the passivating liquid is required to be added dropwise, the control switch is turned on, so that the peristaltic pump may be controlled to drop the passivating liquid in the hose onto 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 supplied by manually controlling the passivation solution supply assembly 17 without being electrically connected to the control unit 16, which is not limited herein.
In a preferred embodiment of the present application, the passivation solution may, for example, comprise a crude passivation solution, the crude 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 micron, 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 crude 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 assembly 17 provides the rough passivation solution to enable the edge passivation device 10 to perform rough passivation treatment on the blade 181 to be passivated and to perform removal treatment on the edge material of the blade 181 to be passivated. The coarse passivation solution provided by the embodiment of the application can save passivation time.
Still further, the passivation solution may further include a fine passivation solution, where the fine passivation solution includes second abrasive grains, a second oxidizing agent, and a second dispersing agent, where the second abrasive grains are diamond powder with a particle size range of 0.5-2.5 microns, 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 the mass of the refined passivation solution; the second dispersing agent is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of the mass of the refined passivation solution. The passivation solution supply assembly 17 provides the fine passivation solution to enable the cutting edge passivation device 10 to conduct fine passivation treatment on the cutting edge to be passivated 181, and shape correction is conducted on the cutting edge of the cutting edge to be passivated 181, so that the surface roughness of the cutting edge to be passivated 181 is reduced. Because the fine passivation process is relatively time-consuming, the rough passivation process can be generally performed on the blade 181 to be passivated first, and then the fine passivation process is performed, 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, a crude passivation solution and a fine passivation solution were prepared according to the composition and proportions as described in the above examples.
Coarse passivating the blade 181 to be passivated: after the cutting edge parameters of the blade 181 to be passivated are determined, and the blade 181 to be passivated is subjected to rough passivation treatment according to the requirement, the passivation pressure value of the blade 181 to be passivated is detected through the pressure detection component 15, then the cutting edge parameters and the passivation pressure value are input into the control unit 16, the rotation speed of the polishing disk in the polishing component 12 is set through the control unit 16, then the blade 181 to be passivated is mounted on the blade mounting component 18, then the control unit 16 adjusts the movement component 13 according to the cutting edge parameters until the blade 181 to be passivated is tightly abutted on the groove of the polishing pad 121, then the control unit 16 controls the passivation liquid supply component 17 to provide rough passivation liquid to the blade 181 to be passivated and the polishing pad 121, the control unit applies pressure to the blade 181 to be passivated according to the passivation pressure value, meanwhile, the passivation pressure value detected by the pressure detection component 15 is monitored, meanwhile, the rotation speed of the polishing disk 122 is controlled by the control unit 16, and then the frequency ratio of the compactness and uniformity of a two-dimensional ultrasonic vibration Lissajo movement track determined through a PC machine is goodFrequency and amplitude of X-direction vibration, frequency and amplitude of Y-direction vibration, and phase angle/>, of X-direction vibration and Y-direction vibration(I.e., ultrasonic vibration parameters), then the ultrasonic vibration parameters are input into an ultrasonic generator 191, the ultrasonic generator 191 transmits ultrasonic vibration signals to a power amplifier for amplification and then transmits the ultrasonic vibration signals to a first direction vibrator 142 and a second direction vibrator 143 of the vibration assembly 14, so that the first direction vibrator 142 vibrates according to the vibration frequency and the amplitude in the X direction, and the second direction vibrator 143 vibrates according to the vibration frequency and the amplitude in the Y direction, and then drives the blade 181 to be passivated to vibrate, and coarse passivation of the blade 181 to be passivated is realized. After the edge material of the blade 181 to be passivated is removed, the edge passivation device 10 is then turned off.
Fine passivating the blade 181 to be passivated: after the cutting edge parameters of the blade 181 to be passivated are determined, and the blade 181 to be passivated is subjected to rough passivation treatment according to the requirement, the passivation pressure value of the blade 181 to be passivated is detected through the pressure detection component 15, then the cutting edge parameters and the passivation pressure value are input into the control unit 16, the rotation speed of the polishing disk in the polishing component 12 is set through the control unit 16, then the blade 181 to be passivated is mounted on the blade mounting component 18, then the control unit 16 adjusts the movement component 13 according to the cutting edge parameters until the blade 181 to be passivated is tightly abutted on the groove of the polishing pad 121, then the control unit 16 controls the passivation liquid supply component 17 to provide refined passivation liquid to the blade 181 to be passivated and the polishing pad 121, the control unit applies pressure to the blade 181 to be passivated according to the passivation pressure value, meanwhile, the passivation pressure value detected by the pressure detection component 15 is monitored, meanwhile, the rotation speed of the polishing disk 122 is controlled by the control unit 16, and then the frequency ratio of the compactness and uniformity of a two-dimensional ultrasonic vibration Lissajo movement track determined through a PC machine is goodFrequency and amplitude of X-direction vibration, frequency and amplitude of Y-direction vibration, and phase angle/>, of X-direction vibration and Y-direction vibration(I.e., ultrasonic vibration parameters), then the ultrasonic vibration parameters are input into the ultrasonic generator 191, the ultrasonic generator 191 transmits ultrasonic vibration signals to the power amplifier to be amplified and then transmitted to the first direction vibrator 142 and the second direction vibrator 143 of the vibration assembly 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 drives the blade 181 to be passivated to vibrate, thereby realizing the fine passivation treatment of the blade 181 to be passivated. The edge shape of the blade 181 to be passivated is corrected, and then the edge passivation device 10 is turned off.
The above-mentioned rough passivation treatment and fine passivation treatment can be performed on the blade 181 to be passivated according to needs, in this embodiment, the blade 181 to be passivated is firstly subjected to rough passivation treatment, then is subjected to fine passivation treatment, the treatment process of firstly performing rough passivation treatment and then fine passivation treatment can be firstly performed on the blade 181 to be passivated, then, during the fine passivation treatment, only the control unit 16 is required to adjust the passivation pressure value and adjust the rotation speed of the polishing disc in the polishing component 12, and meanwhile, the passivation liquid supply component 17 is controlled to supply the fine passivation liquid, so that the process of firstly performing rough passivation treatment and then fine passivation treatment on the blade 181 to be passivated can be realized, thereby reducing the time of the whole passivation process of the blade 181 to be passivated, and improving the passivation efficiency and passivation precision. In other embodiments, the passivation blade 181 may be subjected to only rough passivation or fine passivation according to the user's needs, which is not limited herein.
In the embodiment, the vibration assembly 14 is arranged to receive ultrasonic vibration signals to generate vibration and drive the blade 181 to be passivated on the blade mounting assembly 18 to vibrate, and the blade 181 to be passivated is passivated through the cooperation of the vibration assembly 14, the polishing assembly 12 and the moving assembly 13, so that the passivation efficiency and the passivation precision of the blade are improved. By arranging the pressure detection assembly 15 and the control unit 16, the cutting edge passivating device 10 can control the cooperation among the pressure detection assembly 15, the polishing assembly 12 and the moving assembly 13 through the control unit 16 to passivate the blade 181 to be passivated, so that the passivating efficiency and the passivating precision of the blade are improved. By providing the passivating liquid supply assembly 17, and the passivating liquid may include a coarse passivating liquid and a fine passivating liquid, different passivating liquids may be provided to the polishing assembly 12 and the blade 181 to be passivated to meet different needs of users and further improve the passivating efficiency.
In addition, it should be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments may be arbitrarily combined and matched without conflict in technical features, contradiction in structure, and departure from the purpose of the present invention.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the 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 scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (3)
1. A cutting edge passivation device (10), comprising:
a frame (11);
a polishing assembly (12) disposed adjacent to the frame (11);
a movement assembly (13) connected to the frame (11) and movable with respect to the frame (11);
A vibration assembly (14) connected to the movement assembly (13);
a pressure detection assembly (15), the pressure detection assembly (15) being connected between the vibration assembly (14) and the movement assembly (13);
A blade mounting assembly (18) for mounting a blade (181) to be passivated, connected to the vibration assembly (14) and disposed in correspondence with the polishing assembly (12);
The vibration assembly (14) is used for generating vibration according to the received ultrasonic vibration signal, driving the blade (181) to be passivated on the blade mounting assembly (18) to vibrate, and being matched with the polishing assembly (12) and the movement assembly (13) to passivate the blade (181) to be passivated;
Wherein, cutting edge passivation device (10) still includes ultrasonic wave generation subassembly (19), ultrasonic wave generation subassembly (19) include: an ultrasonic generator (191) and a power amplifier (192); wherein the ultrasonic generator (191) is electrically connected with the power amplifier (192), and the power amplifier (192) is electrically connected with the vibration component (14); the ultrasonic generator (191) is used for generating an ultrasonic vibration signal according to the received ultrasonic vibration parameter 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 component (14); 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;
When the lissajous movement track is closed, the frequencies of the first-direction vibration and the second-direction vibration and the phase difference of the first-direction vibration and the second-direction vibration do not meet the following formula:
；
Wherein k=0, 1,2,3, … …; k' =0, 1,2,3, … …; m is the vibration frequency of the first direction; n is the vibration frequency in the second direction; θ is a phase difference of the vibrations in the first direction and the second direction; wherein the frequency ratio Is 0.76 or 0.79;
wherein the ultrasonic vibration parameters are obtained through simulation calculation when the Lissajous motion trail is closed in the two-dimensional ultrasonic vibration;
Wherein the polishing assembly (12) comprises a polishing pad (121); the polishing pad (121) is a round polishing pad, and a plurality of grooves which are sequentially arranged outwards from the center of a circle are formed in the round polishing pad; the blade (181) to be passivated comprises a cutting edge (1811), and the cutting edge passivating device (10) is used for adjusting the motion assembly (13) according to the cutting edge parameters after the cutting edge parameters of the blade (181) to be passivated are acquired so that the cutting edge (1811) is abutted against the groove; the passivation treatment comprises coarse passivation treatment and fine passivation treatment;
The cutting edge passivating device (10) further comprises a passivating liquid supply assembly (17), wherein the passivating liquid supply assembly (17) is arranged corresponding to the polishing assembly (12) and the blade (181) to be passivated and is used for supplying passivating liquid to the polishing assembly (12) and the blade (181) to be passivated; the passivation solution comprises a coarse passivation solution and a fine passivation solution, wherein the coarse passivation solution comprises first abrasive particles, a first oxidant and a first dispersing agent, the first abrasive particles are alumina with the particle size range of 0.05-1 micron, 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 crude 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 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 range of 0.5-2.5 microns, 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 the mass of the refined passivation solution; the second dispersant is sodium dodecyl sulfate, and the mass of the sodium dodecyl sulfate is 6-15% of the mass of the refined passivation solution; the passivation solution supply assembly (17) is further configured to provide the rough passivation solution to the blade (181) to be passivated during the rough passivation process to rapidly remove the material of the cutting edge (1811), and then provide the fine passivation solution to correct the shape of the cutting edge (1811) during the fine passivation process to sequentially complete the rough passivation process and the fine passivation process of the blade (181) to be passivated.
2. The edge passivation device (10) according to claim 1, characterized in that the edge passivation device (10) further comprises a control unit (16), the control unit (16) being electrically connected to the movement assembly (13), the polishing assembly (12) and the pressure detection assembly (15).
3. The edge passivation device (10) of claim 1, wherein the vibration assembly (14) comprises:
A base (141) connected to the movement assembly (13);
A first direction vibrator (142) provided on the base (141);
A second direction vibrator (143) provided on the base (141); and
And a flexible hinge (144) connecting the first direction vibrator (142) and the second direction vibrator (143), the flexible hinge (144) being further connected to the blade mounting assembly (18).
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