CN110000665A - A kind of intelligent grinding machine of brake block outer arc - Google Patents
A kind of intelligent grinding machine of brake block outer arc Download PDFInfo
- Publication number
- CN110000665A CN110000665A CN201910322452.4A CN201910322452A CN110000665A CN 110000665 A CN110000665 A CN 110000665A CN 201910322452 A CN201910322452 A CN 201910322452A CN 110000665 A CN110000665 A CN 110000665A
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- China
- Prior art keywords
- grinding
- brake block
- outer arc
- block outer
- pressure
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/26—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads
- B24B19/28—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding workpieces with arcuate surfaces, e.g. parts of car bodies, bumpers or magnetic recording heads for grinding shoes or linings of drum brakes
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
-
- 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
-
- 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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The invention discloses a kind of intelligent grinding machines of brake block outer arc, it is related to brake block production field, comprising: rotating grinding board, mill driving motor, the grinding execution mould group for being set to milling zone, the grinding pressure control mould group for being set to milling zone, the air blower for being set to blast area, the image capture module and master controller for being set to image acquisition areas；The workpiece detent for being limited to brake block is provided on the outside of rotating grinding board, the rotating grinding board is along direction of rotation successively by feeding area, milling zone, blast area, image acquisition areas.Based on the intelligence grinding machine, the roughness of acquired brake block outer arc is closer to design value, meanwhile, also improve the uniformity of subsequent production brake block outer arc roughness.
Description
Technical field
The present invention relates to brake block production fields, more particularly to a kind of intelligent grinding machine of brake block outer arc.
Background technique
Grinding machine is the machine tool for carrying out grinding to workpiece surface using grinding tool.Most of grinding machine is revolved using high speed
The grinding wheel turned carries out grinding, and fraction is processed using other grinding tools such as oilstone, abrasive band and free abrasive.With height
Precision, the increase of high rigidity machine components quantity and the development of science and technology, performance, kind and the yield of grinding machine are all constantly mentioning
High and growth.
After the completion of brake block roughing, need to carry out surface to it to polish.In the prior art, brake block outer arc is beaten
Mill is usually that setting grinding head and brake block outer arc spacing carry out polishing operation, which does not consider between brake block
Difference, and same spacing is used, it be easy to cause relatively thin brake block amount of grinding insufficient, and thicker brake block amount of grinding is exceeded,
And cause the roughness of disc surface different.
Summary of the invention
In view of above-mentioned a part of defect of the prior art, technical problem to be solved by the invention is to provide a kind of brakes
The intelligent grinding machine of vehicle piece outer arc is based on the intelligence grinding machine, and the roughness of acquired brake block outer arc is closer to design value, together
When, also improve the uniformity of subsequent production brake block outer arc roughness.
To achieve the above object, the present invention provides a kind of intelligent grinding machine of brake block outer arc, the intelligence grinding machine includes:
Rotating grinding board, the rotating grinding board outside are provided with the workpiece detent for being limited to brake block, the rotation
Go round and round a millstone disk along direction of rotation successively by feeding area, milling zone, blast area, image acquisition areas；
Mill driving motor, the mill driving motor and the rotating grinding board belt are sequentially connected；
The grinding for being set to the milling zone executes mould group, and it includes: grinding driving motor, grinding that the grinding, which executes mould group,
Driving wheel, grinding driven wheel, cylindrical body emery wheel；The grinding driving motor is driven by the grinding driving wheel and the grinding
Wheel transmission connection, the cylindrical body emery wheel grind driven be fixedly and coaxially connected with described；Described in the grinding driving motor driving
The rotation of cylindrical body emery wheel, the cylindrical body emery wheel grind the brake block outer arc for being located at the milling zone；
It is set to the grinding pressure control mould group of the milling zone, the grinding pressure control mould group includes hydraulic thrust motivation
Structure and pressure sensor, the pressure sensor are set between the hydraulic force mechanism and the grinding execution module,
The hydraulic force mechanism is used to that the grinding to be pushed to execute mould group close to the brake block outer arc for being located at the milling zone；
It is set to the air blower of the blast area, circle where the direction from the rotating grinding board of the blowing mouth of the air blower
The center of circle where the outer extremely described rotating grinding board；
It is set to the image capture module of described image acquisition zone, described image acquisition module is used for positioned at described image
The outer arc image of the brake block of acquisition zone；
And master controller；The master controller first input end connection start switch, the master controller with it is described
Mill driving motor is bi-directionally connected, and the second output terminal of the master controller connects the grinding driving motor, the main control
The third output end of device connects the hydraulic force mechanism, and the 4th input terminal of the master controller connects the pressure sensing
Device, the 5th output end of the master controller connect the air blower, and the 6th input terminal of the master controller connects the figure
As acquisition module；
The master controller includes:
Mill motion control unit, for controlling the brake on rotating grinding board after the brake block outer arc feeding
Piece outer arc sequentially enters milling zone, blast area, image acquisition areas；
Grinding control unit, for reaching the milling zone to the brake block outer arc, driving motor is ground in starting, in real time
Pressure value measured by the pressure sensor is acquired, the hydraulic force mechanism is controlled and the grinding is pushed to execute mould group so that institute
It states pressure sensor and remains the first preset pressure Flast, and control the grinding execution mould group and the brake block is ground
Operation；
Air blast control unit controls the air blower to described for reaching the blast area to the brake block outer arc
Dust particles on brake block outer arc are purged；
Brake block outer arc image detecting element, for obtaining described image acquisition module on described image acquisition zone
First brake piece outer arc first image collected obtains the gray average of the first image pixelAccording to described
Gray averageObtain grayscale shift degree value H；The grayscale shift degree value meets:The GsetIt is pre-
If pixel grey scale mean value；
Spectral discrimination response unit, by the grayscale shift degree value H and drift rate threshold value HTHCompare, in response to the ash
It spends degrees of offset value H and is greater than the drift rate threshold value HTH, correct pressure when grinding operation described in next brake block outer arc
The second preset pressure F that sensor is keptnext；The revised second preset pressure FnextMeet:The β is constant, and the β is by experiment gained；Institute
State Fno-loadWhen not pushing the grinding to execute mould group for the hydraulic force mechanism, the pressure measurement number of the pressure sensor
Value.
In the technical scheme, the actuating length that hydraulic force mechanism executes mould group to grinding is not controlled merely, but
It is controlled, is compared and fixed actuating length using pressure (the first preset pressure) is pushed, carried out using promotion pressure
It controls, can guarantee to form the consistent brake block outer arc burnishing surface of roughness under the control of same pressure between different brake blocks,
Improve the formation consistency between element.
In the technical scheme, when the corresponding gray average of the image obtained after grinding is from presetting different, then show to grind
Roughness after mill is undesirable, then makes the preset pressure for changing and grinding, in grinding operation next time to guarantee next time
Grinding operation can satisfy requirement.In the technical scheme, pass throughCome the reason of solving grayscale shift degree value
Be: the gray scale for fully taking into account pixel is higher than high gray scale to the knots modification of gray scale in the same brightness of change of low gray area
Area, i.e. gray averageLess than presetted pixel gray average GsetWhen slope absolute value be greater than gray averageGreater than default picture
Plain gray average GsetWhen slope absolute value, and be rendered asFunction characterizes grayscale shift using the function
Degree value is more accurate.Further, since brightness L and grayscale k relationship meet: L=ξ ek, ξ is original intensity, it is known that, it is revised
The second preset pressure FnextMeet:Based on this,
Solve the second preset pressure F obtainednextMore meet physics reality, numerical value is more accurate.
Meanwhile in order to reduce the image that the dust that grinding is formed obtains image capture module caused by systematic error,
In the technical solution, air blast is carried out to the brake block outer arc after grinding operation provided with air blower instrument and dispels dust.It is on the scene
Under scape, dust is not risk factor, and in the technical scheme, need to carry out Image Acquisition, so needed under the scene
Dust is carried out to dispel.
In a specific embodiment, described image determines response unit, is also used in response to the grayscale shift degree
Value H is less than or equal to the drift rate threshold value HTH, set the second preset pressure FnextEqual to first preset pressure
Flast。
Based on this, after grinding operation is stablized, each brake block outer arc grinding pressure is identical, keeps technological parameter steady
It is fixed.
In a specific embodiment, the feeding operation of the rotating grinding board is by being accomplished manually.
In a specific embodiment, the feeding operation of the rotating grinding board is by manipulator feeding；The intelligence grinding machine is also
Including robot device, the 6th output end of the master controller and the robot device communication connection, the manipulator dress
It sets and stops operating in response to rotating grinding board, the first brake piece outer arc is loaded into the workpiece detent of the feeding area
On.
In the technical scheme, feeding is carried out using manipulator, improves the automation of equipment operation.It is noted that
Manipulator feeding is this field routine techniques, and which is not described herein again.
In a specific embodiment, the cylindrical body emery wheel is identical as the direction of rotation of the rotating grinding board.
In the technical scheme, by setting identical for the direction of rotation of cylindrical body emery wheel and the rotating grinding board, make
Both moved upwards in rubbing surface butt it is contrary, be based on this, be on the one hand capable of increasing relative friction forces, on the other hand allow
Direction of rotation of the friction dust at friction along cylindrical body emery wheel is dispersed, and the dust for entering blast area and image acquisition areas is reduced
Amount.
In a specific embodiment, the revolving speed of the rotating grinding board is 5s/rad-60s/rad.
In a specific embodiment, the revolving speed of the cylindrical body emery wheel is 0.1s/rad-5s/rad.
The beneficial effects of the present invention are: 1), in the present invention, not control hydraulic force mechanism executes mould to grinding merely
The actuating length of group, but controlled using pressure (the first preset pressure) is pushed, it compares and fixed actuating length,
Using pushing pressure to be controlled, can guarantee to form the consistent brake of roughness under the control of same pressure between different brake blocks
Vehicle piece outer arc burnishing surface improves the formation consistency between element.2) the corresponding gray average of the image, obtained after grinding with
When presetting different, then the roughness after showing grinding is undesirable, then makes in grinding operation next time and change the default of grinding
Pressure, to guarantee that grinding operation can satisfy requirement next time.Pass throughTo solve grayscale shift degree value
Reason is: fully taking into account change same brightness of the gray scale of pixel in low gray area and is higher than height to the knots modification of gray scale
Gray area, i.e. gray averageLess than presetted pixel gray average GsetWhen slope absolute value be greater than gray averageGreater than pre-
If pixel grey scale mean value GsetWhen slope absolute value, and be rendered asFunction characterizes gray scale using the function
Degrees of offset value is more accurate.Further, since brightness L and grayscale k relationship meet: L=ξ ek, ξ is original intensity, it is known that, amendment
The second preset pressure F afterwardsnextMeet:Base
In this, the second preset pressure F obtained is solvednextMore meet physics reality, numerical value is more accurate.3), in order to reduce grinding shape
At dust image that image capture module is obtained caused by systematic error be provided with air blower instrument in the technical scheme
Table carries out air blast to the brake block outer arc after grinding operation and dispels dust.Under scene, dust is not risk factor, and
It in the technical program, needs to carry out Image Acquisition, be dispelled so needing to carry out dust under the scene.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the intelligent grinding machine of brake block outer arc of the embodiment of the invention；
Fig. 2 is a kind of circuit block diagram of the intelligent grinding machine of brake block outer arc of the embodiment of the invention；
Fig. 3 is the function relation curve of image gray-scale level and brightness in the embodiment of the invention；
Fig. 4 is the function relation curve of gray average and grayscale shift degree value in the embodiment of the invention.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples:
As shown in Figs 1-4, in the first example of the invention, a kind of intelligent grinding machine of brake block outer arc 900, the intelligence are provided
Can grinding machine include:
Rotating grinding board 100 is provided with the workpiece detent for being limited to brake block on the outside of the rotating grinding board 100,
The rotating grinding board 100 is along direction of rotation successively by feeding area, milling zone, blast area, image acquisition areas；
Mill driving motor 200, the mill driving motor 200 are sequentially connected with 100 belt of rotating grinding board；
The grinding for being set to the milling zone executes mould group 300, and it includes: grinding driving electricity that the grinding, which executes mould group 300,
Machine 301, grinding driving wheel 302, grinding driven wheel 303, cylindrical body emery wheel 304；The grinding driving motor 301 is ground by described
It grinds driving wheel 302 and the grinding driven wheel 303 is sequentially connected, the cylindrical body emery wheel 304 is driven coaxial solid with the grinding
Fixed connection；The grinding driving motor 301 drives the cylindrical body emery wheel 304 to rotate, and the cylindrical body emery wheel 304 is to positioned at institute
The brake block outer arc 900 for stating milling zone is ground；
It is set to the grinding pressure control mould group 400 of the milling zone, the grinding pressure control mould group 400 includes hydraulic
Pushing mechanism 401 and pressure sensor 402, the pressure sensor 402 be set to the hydraulic force mechanism 401 with it is described
It grinds between execution module, the hydraulic force mechanism 401 is ground for pushing the grinding to execute mould group 300 close to positioned at described
Grind the brake block outer arc 900 in area；
It is set to the air blower 500 of the blast area, the direction of the blowing mouth of the air blower 500 is from the rotating grinding board
Circle is outer to the 100 place center of circle of rotating grinding board where 100；
It is set to the image capture module 600 of described image acquisition zone, described image acquisition module 600 is used for positioned at institute
State the outer arc image of the brake block of image acquisition areas；
And master controller 700；The first input end connection of the master controller 700 starts switch 800, the main control
Device 700 is bi-directionally connected with the mill driving motor 200, and the second output terminal of the master controller 700 connects the grinding and drives
The third output end of dynamic motor 301, the master controller 700 connects the hydraulic force mechanism 401, the master controller 700
The 4th input terminal connect the pressure sensor 402, the 5th output end of the master controller 700 connects the air blower
500, the 6th input terminal of the master controller 700 connects described image acquisition module 600；
The master controller 700 includes:
Mill motion control unit 701, for controlling on rotating grinding board 100 after 900 feeding of brake block outer arc
The brake block outer arc 900 sequentially enters milling zone, blast area, image acquisition areas；
Grinding control unit 702, for reaching the milling zone, starting grinding driving electricity to the brake block outer arc 900
Machine 301 acquires pressure value measured by the pressure sensor 402 in real time, controls the hydraulic force mechanism 401 and pushes described grind
Mill executes mould group 300 so that the pressure sensor 402 remains the first preset pressure Flast, and control the grinding and execute mould
300 pairs of the group brake block carries out grinding operation；
Air blast control unit 703 controls the air blower for reaching the blast area to the brake block outer arc 900
Dust particles on 500 pairs of brake block outer arcs 900 purge；
900 image detecting element 704 of brake block outer arc, for obtaining described image acquisition module 600 for described image
First image collected of the first brake piece outer arc 900 on acquisition zone, the gray scale for obtaining the first image pixel are equal
ValueAccording to the gray averageObtain grayscale shift degree value H；The grayscale shift degree value meets:The GsetFor presetted pixel gray average；
Spectral discrimination response unit 705, by the grayscale shift degree value H and drift rate threshold value HTHCompare, in response to institute
Grayscale shift degree value H is stated greater than the drift rate threshold value HTH, correct grinding operation when institute described in next brake block outer arc 900
State the second preset pressure F that pressure sensor 402 is keptnext；The revised second preset pressure FnextMeet:The β is constant, and the β is by experiment gained；Institute
State Fno-loadWhen not pushing the grinding to execute mould group 300 for the hydraulic force mechanism 401, the pressure sensor 402
Pressure measurement numerical value.
In the present embodiment, described image determines response unit 705, is also used in response to the grayscale shift degree value H
Less than or equal to the drift rate threshold value HTH, set the second preset pressure FnextEqual to the first preset pressure Flast。
Based on this, after grinding operation is stablized, each 900 grinding pressure of brake block outer arc is identical, and technological parameter is kept to stablize.
In the present embodiment, the feeding operation of the rotating grinding board 100 is by being accomplished manually.
In another embodiment, the feeding operation of the rotating grinding board 100 is by manipulator feeding；The intelligence grinding machine also wraps
Include robot device, the 6th output end of the master controller 700 and the robot device communication connection, the manipulator dress
It sets and stops operating in response to rotating grinding board 100, the first brake piece outer arc 900 is loaded into the workpiece of the feeding area
In detent.Feeding is carried out by using manipulator, improves the automation of equipment operation.It is noted that manipulator feeding is
This field routine techniques, which is not described herein again.
In the present embodiment, the cylindrical body emery wheel 304 is identical as the direction of rotation of the rotating grinding board 100.
The present embodiment by setting identical for cylindrical body emery wheel 304 and the direction of rotation of the rotating grinding board 100 so that
The two moved upwards in rubbing surface butt it is contrary, be based on this, be on the one hand capable of increasing relative friction forces, on the other hand allow and rub
Direction of rotation of the crocus dirt at friction along cylindrical body emery wheel 304 is dispersed, and the dust for entering blast area and image acquisition areas is reduced
Amount.
In the present embodiment, the revolving speed of the rotating grinding board 100 is 5s/rad-60s/rad.
In the present embodiment, the revolving speed of the cylindrical body emery wheel 304 is 0.1s/rad-5s/rad.
Briefly the formula in the present embodiment is made below to derive explanation.
Brake block outer arc grinding and polishing is that the brake block outer arc after rough lapping is carried out smooth grinding, with the progress of grinding,
Grinding pressure is bigger, and grinding result is finer, and abradant surface is more smooth and makes the image of image capture module acquisition acquisition brighter,
Image grayscale is higher, and brake block outer arc image grayscale mean value grinds preset pressure and brake block figure generally between 50-200
Image brightness approximation is proportional, brightness of image and grayscale exponentially functional dependence, so can obtain:
Wherein, LnextTo preset second pressure FnextCorresponding brightness of image, LlastTo preset first pressure FlastRelatively
The brightness of image answered, grayscale are exponentially related to brightness, that is, L=ξ ek, ξ is original intensity, such as Fig. 3；Fno-loadIt is described hydraulic
When pushing mechanism does not push the grinding to execute mould group, the pressure measurement numerical value of the pressure sensor.
So can obtain:
Pass throughBe the reason of grayscale shift degree value to solve: the gray scale for fully taking into account pixel exists
The same brightness of change of low gray area is higher than high gray area, i.e. gray average to the knots modification of gray scaleLess than presetted pixel
Gray average GsetWhen slope absolute value be greater than gray averageGreater than presetted pixel gray average GsetWhen slope absolute value,
And it is rendered asFunction, it is more accurate to characterize grayscale shift degree value using the function, as Fig. 4 isThe curve graph of function.
The preferred embodiment of the present invention has been described in detail above.It should be appreciated that those skilled in the art without
It needs creative work according to the present invention can conceive and makes many modifications and variations.Therefore, all technologies in the art
Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea
Technical solution, all should be within the scope of protection determined by the claims.
Claims (7)
1. a kind of intelligent grinding machine of brake block outer arc, which is characterized in that it is described intelligence grinding machine include:
Rotating grinding board, the rotating grinding board outside are provided with the workpiece detent for being limited to brake block, the rotation mill
Disk is along direction of rotation successively by feeding area, milling zone, blast area, image acquisition areas；
Mill driving motor, the mill driving motor and the rotating grinding board belt are sequentially connected；
The grinding for being set to the milling zone executes mould group, and it includes: grinding driving motor, grinding active that the grinding, which executes mould group,
Wheel, grinding driven wheel, cylindrical body emery wheel；The grinding driving motor is passed by the grinding driving wheel and the grinding driven wheel
Dynamic connection, the cylindrical body emery wheel grind driven be fixedly and coaxially connected with described；The grinding driving motor drives the cylinder
The rotation of body emery wheel, the cylindrical body emery wheel grind the brake block outer arc for being located at the milling zone；
Be set to the grinding pressure control mould group of the milling zone, grinding pressure control mould group include hydraulic force mechanism with
And pressure sensor, the pressure sensor is set between the hydraulic force mechanism and the grinding execution module, described
Hydraulic force mechanism is used to that the grinding to be pushed to execute mould group close to the brake block outer arc for being located at the milling zone；
It is set to the air blower of the blast area, circle where the direction from the rotating grinding board of the blowing mouth of the air blower is outer extremely
The center of circle where the rotating grinding board；
It is set to the image capture module of described image acquisition zone, described image acquisition module is used to acquire to positioned at described image
The outer arc image of the brake block in area；
And master controller；The first input end connection of the master controller starts switch, the master controller and the mill
Driving motor is bi-directionally connected, and the second output terminal of the master controller connects the grinding driving motor, the master controller
Third output end connects the hydraulic force mechanism, and the 4th input terminal of the master controller connects the pressure sensor, institute
The 5th output end for stating master controller connects the air blower, the 6th input terminal connection described image acquisition of the master controller
Module；
The master controller includes:
Mill motion control unit, for controlling outside the brake block on rotating grinding board after the brake block outer arc feeding
Arc sequentially enters milling zone, blast area, image acquisition areas；
Grinding control unit, for reaching the milling zone to the brake block outer arc, starting grinding driving motor acquires in real time
Pressure value measured by the pressure sensor controls the hydraulic force mechanism and the grinding is pushed to execute mould group so that the pressure
Force snesor remains the first preset pressure Flast, and control the grinding execution mould group and grinding behaviour is carried out to the brake block
Make；
Air blast control unit controls the air blower to the brake for reaching the blast area to the brake block outer arc
Dust particles on piece outer arc are purged；
Brake block outer arc image detecting element, for obtaining described image acquisition module for described on described image acquisition zone
First brake piece outer arc the first image collected obtains the gray average of the first image pixelAccording to the gray scale
Mean valueObtain grayscale shift degree value H；The grayscale shift degree value meets:The GsetTo preset picture
Plain gray average；
Spectral discrimination response unit, by the grayscale shift degree value H and drift rate threshold value HTHCompare, it is inclined in response to the gray scale
It moves degree value H and is greater than the drift rate threshold value HTH, correct pressure sensing when grinding operation described in next brake block outer arc
The second preset pressure F that device is keptnext；The revised second preset pressure FnextMeet:The β is constant, and the β is by experiment gained；Institute
State Fno-loadWhen not pushing the grinding to execute mould group for the hydraulic force mechanism, the pressure measurement number of the pressure sensor
Value.
2. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that described image determines response
Unit is also used to be less than or equal to the drift rate threshold value H in response to the grayscale shift degree value HTH, it is pre- to set described second
If pressure FnextEqual to the first preset pressure Flast。
3. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that the rotating grinding board it is upper
Expect operation by being accomplished manually.
4. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that the rotating grinding board it is upper
Expect operation by manipulator feeding；The intelligence grinding machine further includes robot device, the 6th output end of the master controller and institute
Robot device communication connection is stated, the robot device stops operating in response to rotating grinding board, will be outside the first brake piece
Arc is loaded into the workpiece detent of the feeding area.
5. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that the cylindrical body emery wheel with
The direction of rotation of the rotating grinding board is identical.
6. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that the rotating grinding board turns
Speed is 5s/rad-60s/rad.
7. a kind of intelligent grinding machine of brake block outer arc as claimed in claim 1, which is characterized in that the cylindrical body emery wheel
Revolving speed is 0.1s/rad-5s/rad.
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| CN201910322452.4A CN110000665B (en) | 2019-04-22 | 2019-04-22 | Intelligent grinding machine for outer arc of brake pad |
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| CN201910322452.4A CN110000665B (en) | 2019-04-22 | 2019-04-22 | Intelligent grinding machine for outer arc of brake pad |
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| CN110000665B CN110000665B (en) | 2020-03-24 |
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| CN101115988A (en) * | 2005-02-10 | 2008-01-30 | 中央硝子株式会社 | Device and method for detecting defect at glass sheet end surface |
| CN103786087A (en) * | 2014-01-24 | 2014-05-14 | 广州兴森快捷电路科技有限公司 | PCB polishing machine |
| CN206286971U (en) * | 2016-12-16 | 2017-06-30 | 余锐光 | Automobile brake sheet outer arc grinding machine and automobile brake sheet process units |
| CN107283289A (en) * | 2017-07-04 | 2017-10-24 | 孔满红 | Polisher lapper |
| CN109571200A (en) * | 2019-01-23 | 2019-04-05 | 枣阳神虎摩擦材料有限责任公司 | It is a kind of intelligence brake block processing use outer arc grinding machine |
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