CN107030614B - A kind of micro- texture manufacturing process in surface based on jet stream - Google Patents
A kind of micro- texture manufacturing process in surface based on jet stream Download PDFInfo
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- CN107030614B CN107030614B CN201710188211.6A CN201710188211A CN107030614B CN 107030614 B CN107030614 B CN 107030614B CN 201710188211 A CN201710188211 A CN 201710188211A CN 107030614 B CN107030614 B CN 107030614B
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- abrasive grain
- mobile device
- workpiece
- fluid
- deflector
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
- B24C7/0015—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier
- B24C7/0023—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier with control of feed parameters, e.g. feed rate of abrasive material or carrier of feed pressure
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention discloses a kind of micro- texture manufacturing process in surface based on jet stream.Method includes the following steps: installing workpiece to table device.Abrasive grain is placed on the face to be processed of workpiece.Mobile device is moved to predeterminated position to workpiece direction.Fluid of the fluidic device to mobile device output preset pressure is controlled, fluid is exported from the fluidic channel in the mobile device.Abrasive grain is limited to the limiting section in the fluidic channel, and the fluid forms diaphragm between the abrasive grain and the limiting section and rotates abrasive grain, so that the abrasive grain is ground workpiece.Stop and be detached from the machined surface of workpiece after the mobile device operation preset time.It has high in machining efficiency, the good feature of surface quality consistency.
Description
Technical field
The present invention relates to precision processing technology fields, more particularly, to a kind of micro- texture forming side in the surface based on jet stream
Method.
Background technique
When there is micro- texture at two surfaces of some precision-fits, such as nanoscale or micron-sized groove or pit
Surface Texture.It is stored with grease, lubricating fluid etc. at Surface Texture position, will form the sliding with lubrication in sliding process
Film.When not influencing the precision-fit of the two, the workpiece with micro- texture has good lubricant effect at surface, and reduces
Frictional force.
However, existing micro- texture processing uses lithography process, Electrolyzed Processing etc., processing technology is complicated, at high cost.Cause
This, needs to improve.
Summary of the invention
In view of the deficiency of the prior art, the object of the present invention is to provide a kind of micro- texture in the surface based on jet stream
Manufacturing process.It has the characteristics of high in machining efficiency, can to carry out the processing of complicated face.
To achieve the goals above, the technical scheme adopted by the invention is that: a kind of surface based on jet stream is micro- to be configured to
Shape method, method includes the following steps:
S101 installs workpiece to table device；
Abrasive grain is placed on the face to be processed of workpiece by S102；
Mobile device is moved to predeterminated position to workpiece direction by S103；
S104, control fluidic device is to the fluid of mobile device output preset pressure, and fluid is from the mobile device
On fluidic channel output；
Wherein, abrasive grain is limited to the limiting section in the fluidic channel, and the fluid is in the abrasive grain and the limit
Diaphragm is formed between the portion of position and rotates abrasive grain, so that the abrasive grain is ground workpiece；
S105 stops and is detached from the machined surface of workpiece after mobile device operation preset time.
Further, when fluid is exported from the fluidic channel in the mobile device, water circulation system works and recycles stream
Body.
Further, the preset pressure of the fluid is 10-30MPa, and the flow of each jet hole is 0.5-1.5L/min.
Further, the mobile device and the spacing in face to be processed are less than or equal to the half of abrasive grain diameter.
Further, the momentum calculation formula of the abrasive grain are as follows:
Wherein, m is abrasive particle quality；V is grain motion speed；σ is stress tensor；ρ is density；
∏ijFor viscous force；WijFor kernel function；xiIt is set as the position that abrasive grain is moved to i point；xjIt is set as abrasive grain and is moved to j point
Position.
Further, the energy balane formula of the abrasive grain are as follows:
Wherein, m is abrasive particle quality；V is grain motion speed；σ is stress tensor；ρ is density；∏ijFor viscous force；Wij
For kernel function；E(xi) it is abrasive grain internal energy unit；HiFor heat flow modulus；xiIt is set as the position that abrasive grain is moved to i point；xjIt is set as
Abrasive grain is moved to the position of j point.
Further, the mobile device includes deflector and installs to the grinding disc on the deflector, the deflector
Several deflector holes connecting with the fluidic device are equipped with, offer several jet holes, the deflector hole on the grinding disc
It is connected to form fluidic channel with the jet hole, the limiting section is set to the output end of the jet hole.
Further, the deflector is equipped with the blending space for converging several deflector holes, and the grinding disc is enclosed in institute
The jet hole is connected with the blending space in the opening for stating blending space.
Further, the elastic device includes the first mounting plate, connects the Guide column component of the mobile device and be mounted on
Elastic element in Guide column component, the elastic element elasticity pushing and pressing are on first mounting plate and the mobile device.
Further, the fluidic device includes water tank, the water inlet pipe for being connected to water tank and the booster pump on water inlet pipe,
The water inlet pipe is connected to the mobile device.
After adopting the above structure, the invention has the advantages that compared with the prior art:
Limiting section is set in fluidic channel on the mobile device, the position of abrasive grain is limited by limiting section, makes abrasive grain
It can be uniformly distributed and form micro- texture on the mobile device to process on the surface of workpiece, it is high in machining efficiency.Jet action is being ground
On grain, enable and form diaphragm between abrasive grain and limiting section, improves the service life of mobile device.Jet stream can drive abrasive grain limiting
Position rotates in portion, keeps the abrasion of abrasive grain more uniform, improves the service life and ground effect of abrasive grain.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples:
Fig. 1 is schematic view of the front view of the invention.
Fig. 2 is the structural schematic diagram of water circulation system in the present invention.
Fig. 3 is the enlarged structure schematic diagram of deflector and section at grinding disc in the present invention.
Fig. 4 is the enlarged structure schematic diagram in the present invention at grinding disc upper limit portion.
In figure: mobile device 10；Deflector 11；Deflector hole 111；Blending space 112；Grinding disc 12；Limiting section 121；It penetrates
Discharge orifice 122；First mounting plate 13；Fluidic device 20；Water tank 21；Water inlet pipe 22；Booster pump 23；Table device 30；Laterally move
Motivation structure 31；Longitudinal moving mechanism 32；Elastic device 40；Guide column component 41；Guide rod 411；Locating part 412；Rack 50；Guiding
Column 51；Second mounting plate 52；Telescopic device 60；Workpiece 70；Abrasive grain 80；Water circulation system 90；Filter plate 91；Return pipe 92.
Specific embodiment
As described below is only presently preferred embodiments of the present invention, is not intended to limit the scope of the present invention.
Embodiment, a kind of micro- texture manufacturing process in surface based on jet stream, method includes the following steps:
Step S101, by the installation of workpiece 70 to table device 30.
Abrasive grain 80 is placed on the face to be processed of workpiece 70 by step S102.Abrasive grain 80 can pass through workpiece to be processed 70
Carry out the diameter and type of selection abrasive grain 80.
Mobile device 10 is moved to predeterminated position to 70 direction of workpiece by step S103.Telescopic device 60 in rack 50
Both it is mobile to drive mobile device 10, so that forming gap between mobile device 10 and the face to be processed of workpiece 70, which is
Average value.Optionally, mobile device 10 and the spacing in face to be processed are less than or equal to the half of 80 diameter of abrasive grain.It is holding
When row step S103, table device 30 drives workpiece 70 mobile and adjusts to preset Working position.
Step S104, control fluidic device 20 export the fluid of preset pressure to mobile device 10, and fluid is from mobile device
Fluidic channel output on 10.Wherein, the preset pressure of fluid is 10-30MPa, for example, the pressure of fluid is 10,15,20,25
Or 30MPa.The flow of each jet hole is 0.5-1.5L/min.
As shown in Figure 1 and Figure 4, abrasive grain 80 is limited to the limiting section 121 in fluidic channel, and fluid is in abrasive grain 80 and limit
Diaphragm is formed between position portion 121 and rotates abrasive grain 80, so that abrasive grain 80 is ground workpiece 70.
Step S105, the mobile device 10 run the machined surface for stopping and being detached from workpiece 70 after preset time.It is running
Preset time, such as 1 minute, abrasive grain 80 can process micro- texture on the finished surface of workpiece, and abrasive grain 80 is high in machining efficiency.
Jet action makes particle 80 have kinetic energy and energy on particle 80.Particle 80 is rotatable and is ground workpiece 70.
Wherein, the momentum calculation formula of abrasive grain 80 are as follows:
The energy balane formula of abrasive grain 80 are as follows:
Wherein, m is abrasive particle quality；V is grain motion speed；σ is stress tensor；ρ is density；∏ijFor viscous force；Wij
For kernel function；E(xi) it is abrasive grain internal energy unit；HiFor heat flow modulus；xiIt is set as the position that abrasive grain is moved to i point；xjIt is set as
Abrasive grain is moved to the position of j point.
For mobile device 10 along bracket straight line near the face to be processed of workpiece, table device 30 drives workpiece 70 to move
It is dynamic, so that abrasive material 80 is in preset Working position, the face to be processed of the uniform workpieces processing 70 of 80 energy of abrasive grain is high in machining efficiency.It penetrates
Stream acts on abrasive grain 80, forms diaphragm between abrasive grain 80 and the inner wall of limiting section 121, drives abrasive grain 80 in mobile device 10
When polishing grinding 70 surface of workpiece, abrasive grain 80 will not be acted directly on limiting section 121, can extend the use of mobile device 10
Service life.Jet action makes abrasive grain 80 have downward active force on abrasive grain 80, and abrasive grain 80 limits under the action of mobile device 10
When being scheduled on predeterminated position and being processed, rotating operation can also be carried out.It is rotated by jetting flow abrasive grain 80, so that abrasive grain 80 exists
During micro- texture on 70 surface of workpieces processing, the loss of abrasive grain 80 itself is uniform, extends the grinding service life of abrasive grain 80.Meanwhile
Jet stream can rinse the abrasive dust on 70 surface of workpiece and the abrasive grain 80 of loss in time, the abrasive dust that avoids 70 surface of workpiece that from may being subject to or
The injury of abrasive grain 80 is lost.By jet action in the abrasive grain 80 being defined at limiting section 121, abrasive grain 80 is evenly distributed, so that
10 energy Even Grinding workpiece 70 of mobile device, ground effect is stablized, high in machining efficiency.
After operating procedure S103 and step S104 to preset time, mobile device 10 under the drive of telescopic device 60,
Machined surface surface of the mobile device 10 far from workpiece 70.Fluidic device 20 can be out of service, or changes output pressure and output
Fluid, such as output low pressure rust remover, antirust agent and brightener liquid, be allowed to carry out protection processing to workpiece.
When 80 workpieces processing 70 of abrasive grain and after be lost, the diameter of abrasive grain be less than be presently in limiting section 121 and workpiece 70 it
Between gap after, abrasive grain 80 can is detached from from limiting section 121 under fluid matasomatism, new abrasive grain 80 can enter limiting section 121
In and continue to be ground workpiece 70, and circuit sequentially, until 70 completion of processing of workpiece.
As shown in figure 3 and figure 4: in one embodiment, mobile device 10 includes deflector 11 and installs to deflector 11
On grinding disc 12.Deflector 11 is equipped with several deflector holes 111 connecting with fluidic device 20, if offering on grinding disc 12
Dry jet hole 122, deflector hole 111 and the conducting of jet hole 122 form fluidic channel, and limiting section 121 is set to the output of jet hole 122
End.Further, deflector 11 is equipped with the blending space 112 for converging several deflector holes 111, and grinding disc 12 is enclosed in blending space
Jet hole 122 and blending space 112 is connected in 112 opening.By be arranged grinding disc 12 surface and workpiece 70 it is to be added
The matching of work face, can make the micro- texture at complex surface processing of mobile device 10.
Blending space 112 is recessed downwards to be formed from the side space of deflector 11, and grinding disc 12 blocks blending space 112
Opening, the fluid for inputting fluidic device 20 is filled in after blending space 112 uniformly to be exported along jet hole 122.Preferably,
Deflector hole 111 is evenly distributed on deflector 11, so that the fluid that fluidic device 20 is input to diversion space is uniform, is then made
The Fluid pressure exported from jet hole 122 is uniform.
It can be convenient the connection of mobile device 10 Yu fluidic device 20, the quantity of jet hole 122 by the way that deflector 11 is arranged
More than the quantity of deflector hole 111, deflector 11 can further adjust the pressure and the uniformity that jet hole 122 exports fluid, improve
Jet stream effect.Grinding disc 12 is prone to wear, and can be fixed on deflector 11 by way of being fastenedly connected, can upon wear in time
Replacement reduces the cost of equipment, improves machining accuracy.
Limiting section 121 is recessed along jet hole 122 from the surface of grinding disc 12 and is formed, the diameter of limiting section 121 oneself and jet stream
The intersection in hole 122 is gradually increased to the surface direction of grinding disc 12, wherein limiting section 121 is recessed in cone-shaped or arc surfaced.
Abrasive grain 80 is limited in limiting section 121, and jet action is flowed out on abrasive grain 80 and along the surface of limiting section 121.
As shown in Figure 1: equipment further includes the elastic device 40 being mounted in rack 50, and elastic device 40 is pushed against to elasticity
In mobile device 10, so that mobile device 10 is along 40 direction elastic telescopic of elastic device.In one embodiment, elastic device
40 include the first mounting plate 14, the Guide column component 41 for connecting mobile device 10 and the elastic element that is mounted in Guide column component 41.
The pushing and pressing of elastic element elasticity are on the first mounting plate 14 and mobile device 10.
Guide post 51 is installed in rack 50, the first mounting plate 14 is slidedly arranged in guide post 51.Guide column component 41 includes
Guide rod 411 and the locating part 412 being mounted on guide rod 411.One end of guide rod 411 is fixed in mobile device 10, separately
One end is through the first mounting plate 14 and installs locating part 412.Also sliding set is equipped with the second mounting plate 52 in guide post 51, elasticity
The installation of device 40 and elasticity are connected to the side of the second mounting plate 52, and mobile device 10 is installed another to the second mounting plate 52
Side.Telescopic device 60 is installed in rack 50, the telescopic device 60 to drive the first mounting plate 14 to move along guide post 51,
So that mobile device 10 is mobile to 70 direction of workpiece.The structures such as hydraulic cylinder or cylinder can be used in telescopic device 60.
When mobile device 10 is impacted or moved up and down, mobile device 10 can overcome the elastic force of elastic element,
And moved along the axis direction of guide rod 411, make mobile device 10 when being impacted, there is protective effect.Meanwhile in movement
When device 10 moves, moreover it is possible to carry out micro stretching motion, when making 10 workpieces processing 70 of mobile device, ground effect is more preferable.
As shown in Figure 1: table device 30 includes the transverse moving mechanism 31 that moves in the horizontal direction and in the horizontal direction
Mobile longitudinal moving mechanism 32, transverse moving mechanism 31 are mutually perpendicular to longitudinal moving mechanism 32, transverse moving mechanism 31 with
Longitudinal moving mechanism 32 is to fixed workpiece 70 and workpiece 70 is driven to move in the horizontal direction.Cooperate mobile device 10 along perpendicular
Histogram to linear motion, the cooperation in direction of doing more physical exercises can form micro- texture in the predeterminated position of workpiece 70, high in machining efficiency.
Wherein, mobile device 10, table device 30 and workpiece 70 are in a working chamber.
As shown in Figure 2: fluidic device 20 includes water tank 21, the water inlet pipe 22 for being connected to water tank 21 and is located on water inlet pipe 22
Booster pump 23, water inlet pipe 22 is connected to mobile device 10.The equipment further includes water circulation system 90, and water circulation system 90 includes
Rack-mounted filter plate 91 and the return pipe 92 for being connected to water tank 21, filter plate 91 are located at the other end of return pipe 92.
80 workpieces processing of abrasive grain, 70 surface is driven by fluidic device 20, fluid is recycled by water circulation system 90, circulation benefit
With economizing on resources, reduce cost.Output pressure of the booster pump 23 to regulation and control fluid, it is easy to adjust.
The water jet accurate grinding equipment further includes that the abrasive grain circulatory system and water-abrasive grain separator, grinding chip are gone
Except device.Water can be recycled after being filtered for multiple times, and after sub-sieve, the abrasive grain of same mesh number can continue to abrasive grain after collecting
It uses, greatlys save resource, reduce waste.
The device of jet stream is widely used at present, and other structures and principle are same as the prior art, and which is not described herein again.
Claims (7)
1. a kind of micro- texture manufacturing process in surface based on jet stream, which is characterized in that method includes the following steps:
S101 installs workpiece to table device；
Abrasive grain is pushed on the face to be processed of workpiece by S102；
Mobile device is moved to predeterminated position to workpiece direction by S103；
S104, control fluidic device is to the fluid of mobile device output preset pressure, and fluid is from the mobile device
Fluidic channel output；
Wherein, abrasive grain is limited to the limiting section in the fluidic channel, and the fluid is in the abrasive grain and the limiting section
Between formed and diaphragm and rotate abrasive grain so that the abrasive grain is ground workpiece；The mobile device includes deflector and installs extremely
Grinding disc on the deflector, the deflector are equipped with several deflector holes connecting with the fluidic device, the grinding
Several jet holes are offered on disk, the deflector hole is connected to form fluidic channel with the jet hole, and the limiting section is set to institute
State the output end of jet hole；The deflector is equipped with the blending space for converging several deflector holes, and the grinding disc is enclosed in
The jet hole is connected with the blending space in the opening of the blending space；
S105 stops and is detached from the machined surface of workpiece after mobile device operation preset time.
2. the method according to claim 1, wherein being exported in fluid from the fluidic channel in the mobile device
When, water circulation system works and recycles fluid.
3. each being penetrated the method according to claim 1, wherein the preset pressure of the fluid is 10-30MPa
The flow of discharge orifice is 0.5-1.5L/min.
4. the method according to claim 1, wherein the mobile device and the spacing in face to be processed are less than or wait
In the half of abrasive grain diameter.
5. the method according to claim 1, wherein the momentum calculation formula of the abrasive grain are as follows:
Wherein, m is abrasive particle quality；V is grain motion speed；σ is stress tensor；ρ is density；
∏ijFor viscous force；WijFor kernel function；xiIt is set as the position that abrasive grain is moved to i point；xjIt is set as the position that abrasive grain is moved to j point
It sets.
6. the method according to claim 1, wherein the energy balane formula of the abrasive grain are as follows:
Wherein, m is abrasive particle quality；V is grain motion speed；σ is stress tensor；ρ is density；
∏ijFor viscous force；WijFor kernel function；E(xi) it is abrasive grain internal energy unit；HiFor heat flow modulus；xiIt is mobile to be set as abrasive grain
To the position of i point；xjIt is set as the position that abrasive grain is moved to j point.
7. the method according to claim 1, wherein the fluidic device include water tank, be connected to water tank into
Water pipe and the booster pump on water inlet pipe, the water inlet pipe are connected to the mobile device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710188211.6A CN107030614B (en) | 2017-03-27 | 2017-03-27 | A kind of micro- texture manufacturing process in surface based on jet stream |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710188211.6A CN107030614B (en) | 2017-03-27 | 2017-03-27 | A kind of micro- texture manufacturing process in surface based on jet stream |
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| CN107030614A CN107030614A (en) | 2017-08-11 |
| CN107030614B true CN107030614B (en) | 2019-02-22 |
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|---|---|---|---|---|
| CN103894934A (en) * | 2014-04-04 | 2014-07-02 | 黄尚进 | Wheel hub grinding and polishing machine |
| CN102589511B (en) * | 2012-02-10 | 2014-09-03 | 浙江工业大学 | Surface cutting depth distribution measurement method of hard and crisp ceramic material after particle abrading manufacture |
| JP2015526307A (en) * | 2013-07-31 | 2015-09-10 | 寧波工程学院 | Cutting method for fine machining using fine particle knife |
| CN105252405A (en) * | 2015-09-22 | 2016-01-20 | 浙江工业大学 | Airflow-assisted abrasive flow polishing method for internal cylindrical surface |
| CN106392863A (en) * | 2016-10-20 | 2017-02-15 | 浙江工业大学 | Efficient fluid finishing method and device based on structure cavitation effect |
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2017
- 2017-03-27 CN CN201710188211.6A patent/CN107030614B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589511B (en) * | 2012-02-10 | 2014-09-03 | 浙江工业大学 | Surface cutting depth distribution measurement method of hard and crisp ceramic material after particle abrading manufacture |
| JP2015526307A (en) * | 2013-07-31 | 2015-09-10 | 寧波工程学院 | Cutting method for fine machining using fine particle knife |
| CN103894934A (en) * | 2014-04-04 | 2014-07-02 | 黄尚进 | Wheel hub grinding and polishing machine |
| CN105252405A (en) * | 2015-09-22 | 2016-01-20 | 浙江工业大学 | Airflow-assisted abrasive flow polishing method for internal cylindrical surface |
| CN106392863A (en) * | 2016-10-20 | 2017-02-15 | 浙江工业大学 | Efficient fluid finishing method and device based on structure cavitation effect |
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Effective date of registration: 20181227 Address after: 315016 Cui Bai Road, Haishu District, Ningbo, Zhejiang Province, No. 89 Applicant after: Ningbo University of Technology Applicant after: Ningbo Yuli Machinery Manufacturing Co., Ltd. Address before: 315016 Cui Bai Road, Haishu District, Ningbo, Zhejiang Province, No. 89 Applicant before: Ningbo University of Technology |
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