CN109623578A - CCD full-automatic high precision needle grinding machine and card grinding control method - Google Patents
CCD full-automatic high precision needle grinding machine and card grinding control method Download PDFInfo
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- CN109623578A CN109623578A CN201811609083.9A CN201811609083A CN109623578A CN 109623578 A CN109623578 A CN 109623578A CN 201811609083 A CN201811609083 A CN 201811609083A CN 109623578 A CN109623578 A CN 109623578A
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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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/16—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding sharp-pointed workpieces, e.g. needles, pens, fish hooks, tweezers or record player styli
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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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
-
- 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
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The present invention relates to a kind of full-automatic card grinding technology, especially a kind of CCD full-automatic high precision needle grinding machine and card grinding control method, method include the coordinate that step 1) step 1) obtains workpiece；Step 2) abrasive grinding wheel moves to tool setting position；Step 3) abrasive grinding wheel just positions；Step 4) abrasive grinding wheel fine positioning；Step 5) workpiece preliminary working；The finishing of step 6) workpiece；Step 7) workpiece is polished；Its needle grinding machine includes a pedestal, and the position regulator of setting on the base, the position regulator includes Y-axis moving mechanism, and the X-axis mobile mechanism in Y-axis moving mechanism is set, Y-axis moving mechanism rear end is provided with red needle clamping device, the CCD camera that can scan bodkin is equipped on red needle clamping device, which connect with industrial personal computer, and the preliminary grinding mechanism and fine grinding mechanism being arranged in a mutually vertical manner along horizontal square shaft are equipped in the X-axis mobile mechanism；The present invention improves the precision of product polishing, realizes the purpose of automation precise positioning polishing.
Description
Technical field
The present invention relates to a kind of full-automatic card grinding technology, especially a kind of CCD full-automatic high precision needle grinding machine and card grinding control
Method processed.
Background technique
It also flourishes with the improvement of people's living standards, manufacturing industry with the development of science and technology, spinneret
The diameter of the working position of head spinneret finishing red needle is that camber line and straight, oblique line are constituted in (0.1-0.04mm) shape, red needle
Material is hard alloy and high-speed steel, and in extra small diameter, 0.015mm is easily broken.Mill needle device is highly important as one
Producing unit, its production preparation need the support of more technologies and the improvement of method quality, however in traditional processing
In preparation, the rough grinding device having currently on the market, it is impossible for can only grinding straight line and oblique line fox.Camber line can only employment
Work manual grinding under the microscope.This method does not utilize the flow work of production product, and causes to the safety of employee
Hidden danger, secondly, high-precision processing original part this kind of for red needle, traditional technology artificially observes positioning using microscope, artificial to see
It is not accurate to examine position, not only low precision but also operation large labor intensity, this processing method can only meet some required precisions not
It is very high part.
However in traditional processing preparation, the polishing of grinding device needs improved defect, present market there are many
On the grinding device having, this method do not utilize the flow work of production product, and causes a hidden trouble to the safety of employee,
Secondly, high-precision processing original part this kind of for red needle, for traditional technology using artificial observation positioning, artificial observation position is not smart
Standard, not only low precision and also operation large labor intensity, it is very high zero that this processing method, which can only meet some required precisions not,
Part.
Summary of the invention
In view of this, the main object of the present invention is to provide a kind of CCD full-automatic high precision needle grinding machine and card grinding controlling party
Method.
The technical solution adopted by the present invention is that:
A kind of card grinding control method, including elder generation input to industrial personal computer and need workpieces processing test pattern coordinate parameters, then into
Row following steps:
The coordinate of step 1) acquisition workpiece: spinneret slubbing red needle to be processed is clamped on clamping device, industry control is passed through
Machine starts CCD camera, and starts third rotation control motor, and the image data of original workpiece is obtained by the rotation of workpiece,
Image data is uploaded to image processing module by the second memory module, which handles image data, is passed
Parameter is carried out with standard map to PC machine to compare, and calculates feed parameter.
Step 2) abrasive grinding wheel moves to tool setting position: opening Y-axis by industrial personal computer and controls motor and X-axis control motor, by Y
Axis control motor and X-axis control motor respectively drive the movement of Y-axis guide table and the movement of X-axis guide table, so that abrasive grinding wheel is close
Spinneret slubbing red needle, until abrasive grinding wheel moves to tool setting position；
Step 3) abrasive grinding wheel just positions: adjusting device by industrial personal computer control shift position, CCD camera constantly obtains
The image data is uploaded to industrial personal computer by the image data for taking abrasive grinding wheel, which is uploaded to by the first memory module
Image processing module is handled, and obtains the profile diagram of abrasive grinding wheel, and automatically-generating module obtains the coordinate of abrasive grinding wheel, and
The coordinate data is uploaded to comparison module, is compared with the coordinate of step 1) red needle standard map, judge abrasive grinding wheel with
Whether the distance of spinneret slubbing red needle needle point reaches pre-value range, if shift position adjusts device not within the scope of pre-value,
Until abrasive grinding wheel is at a distance from red needle in pre-value range；
Step 4) abrasive grinding wheel fine positioning: after step 3) abrasive grinding wheel just positions, abrasive grinding wheel is at a distance from red needle
Within the scope of pre-value, at this point, shift position adjusts device, when being powered to red needle, abrasive grinding wheel is contacted with red needle, in red needle and
High electricity frequency and low electricity frequency are formed on abrasive grinding wheel datum level, to form a potential difference, PID controller sends a signal to PC, PC
Operation feed parameter and standard picture operation coordinate instruction are transmitted to controller execution by machine.
Step 5) workpiece preliminary working: starting the first rotation control motor and third rotation control motor, the first rotation control
Motor drives the first driving guide screw movement driving abrasive grinding wheel rotation；Third rotation control motor drives third to drive guide screw movement
Motor rotation is driven, spinneret slubbing red needle is in 360 degree rotation；10 are milled to red needle；Then shift position adjusts device, makes
Abrasive grinding wheel is retracted into tool setting position；
The finishing of step 6) workpiece: CCD camera obtains above-mentioned steps 5) red needle image after preliminary working, it will be on the image
Industrial personal computer is reached, which is uploaded to image processing module by the second memory module, and the image processing module is to picture number
According to being handled, the coordinate of spinneret slubbing red needle needle point is obtained；Then step 3) and step 4) are repeated, abrasive grinding wheel and punching are made
In needle contact, starting the first rotation control motor and third rotation control motor, the first rotation control motor drive the first driving
Guide screw movement drives abrasive grinding wheel rotation；Third rotation control motor drives third driving guide screw movement to drive motor rotation, spray
Filament plate slubbing red needle is in 360 degree rotation, is milled to 3-4 to red needle；Then shift position adjusts device, retracts abrasive grinding wheel pair
Cutter position；
Step 7) workpiece is polished: CCD camera obtain above-mentioned steps 6) finishing after red needle image；Then will
The image data that CCD camera obtains is uploaded to industrial personal computer, and image data is uploaded to image processing module by the second memory module,
The image processing module handles image data, obtains the coordinate of spinneret slubbing red needle needle point；It is controlled and is moved by industrial personal computer
Dynamic position regulator, during this, CCD camera constantly obtains the image data of buffing wheel, by the image data
It is uploaded to industrial personal computer, which is uploaded to image processing module and handled by the first memory module, obtains buffing wheel
Profile diagram, and the coordinate of buffing wheel is obtained by automatically-generating module, and the coordinate data is uploaded to comparison module, with spray
The coordinate of filament plate slubbing red needle needle point compares, and judges whether buffing wheel reaches at a distance from spinneret slubbing red needle needle point
Pre-value range, if shift position adjusts device not within the scope of pre-value, until buffing wheel is at a distance from red needle in pre-value model
It encloses；Then device is adjusted by industrial personal computer control shift position again, when being powered to red needle, buffing wheel is contacted with red needle, is being rushed
High electricity frequency and low electricity frequency are formed on needle and buffing wheel datum level, to form a potential difference, PID controller issues position coordinates
Signal, PC machine execute operational parameter instruction control unit, starting the second rotation control motor and third rotation control motor, and second
Rotation control motor drives the second driving guide screw movement driving buffing wheel rotation；Third rotation control motor drives third driving
Guide screw movement drives motor rotation, and spinneret slubbing red needle is in 360 degree rotation；Meanwhile starting Y-axis control motor and driving Y-axis control
Guide screw movement driving Y-axis guide table movement processed, spares to red needle polishing.
A kind of CCD full-automatic high precision needle grinding machine for realizing above-mentioned card grinding control method, including a pedestal, and setting exist
Position regulator on pedestal, the position regulator include Y-axis moving mechanism, and the X being arranged in Y-axis moving mechanism
Axis mobile mechanism is provided with red needle clamping device in Y-axis moving mechanism rear end, and being equipped on red needle clamping device can scan slightly
The CCD camera of needle, the CCD camera are connect with industrial personal computer, are equipped in the X-axis mobile mechanism and are mutually hung down along horizontal square shaft
The preliminary grinding mechanism and fine grinding mechanism being directly arranged.
Further, the Y-axis moving mechanism includes Y-axis guide table, and the Y-axis guide table is driven by Y-axis control screw rod,
Motor is controlled in Y-axis control lead screw front end connection Y-axis, its rear end is provided with Y-axis close to bracket, is equipped with Y close on bracket in Y-axis
The close switch of axis；
The X-axis mobile mechanism is mounted in Y-axis guide table comprising X-axis guide table, the X-axis guide table is by X-axis control
The driving of throwing bar is provided with X axis control motor in X-axis control screw rod front end, and its rear end is provided with X-axis close to bracket, in X-axis
X axis is equipped with close to switch close to bracket.
Further, between Y-axis control motor and Y-axis guide table and X-axis control motor and X-axis guide table it
Between be equipped with dust cover.
Further, the preliminary grinding mechanism and fine grinding mechanism pass through collets and are isolated with X-axis mobile mechanism upper surface, institute
Stating preliminary grinding mechanism includes grinding shell, is equipped with the first rotation control motor, the first rotation control in grinding housing rear end
Motor connects the first retarder, and the retarder connects first shaft coupling, the first driving of first shaft coupling connection lead screw, institute
The first driving lead screw through feed grinding enclosure interior is stated, and is connect with abrasive grinding wheel；
The fine grinding mechanism includes burnishing shell, is equipped with the second rotation control motor in the rear end of burnishing shell, described
Second rotation control motor connects the second retarder, and second retarder connects second shaft coupling, and the second shaft coupling connects
The second driving lead screw is connect, the second driving lead screw is connect inside burnishing shell with buffing wheel.
Further, the red needle clamping device includes cabinet and the clamping shell being mounted on cabinet, the clamping shell
Body and cabinet upper surface are insulated by felt pad, and the clamping housing rear end is equipped with third rotation control motor, the third
Rotation control motor connects third speed reducer, and the third speed reducer connects third by third shaft coupling and drives lead screw, this
Three driving lead screws are connected on motor through clamping enclosure interior, and the motor front end is equipped with collet locking cap, the collet
Slubbing collet is locked on motor by locking cap, and spinneret slubbing red needle, the third shaft coupling are clamped in slubbing collet
On have motor control with encoder rotation angle；
One insulation column is installed on the clamping shell, is equipped with camera support, the camera support on insulation column
Fixed CCD camera.
Further, the optic centre of the camera of the CCD camera is located at same vertical with spinneret slubbing red needle
On axis.
Further, the CCD camera is used to acquire the image of the workpiece, and by image real-time delivery to industry control
Machine, the industrial personal computer is interior to be equipped with the first memory module, the second memory module, image processing module, automatically-generating module, compares mould
Block, display module, PID controller, A/D conversion module；
Coordinate system of first memory module to store the first procedure；
Second memory module is connect with CCD camera, is synchronized and is deposited to CCD camera workpiece image collected
Storage；
Described image processing module carries out edge processing to image, extracts the contour line of workpiece；
The automatically-generating module automatically generates coordinate system according to the processed image of image processing module；
The comparison module carries out the coordinate system for the first procedure that the first memory module stores and actual coordinates pair
Than；
The PID controller and A/D conversion module, the A/D conversion module are separately connected Y axis control motor and X-axis control
Motor processed and the first rotation control motor, the second rotation control motor and third rotation control motor.
Compared with prior art, the present invention obtains the position of red needle to be processed and abrasive grinding wheel by CCD camera, warp
It crosses automatically-generating module and coordinate system is automatically generated according to the processed image of image processing module, comparison module is stored first
The coordinate system of first procedure of module storage is compared with actual coordinates, and controls adjustment device fortune by PID controller
It is dynamic, until abrasive grinding wheel at a distance from red needle in pre-value range, reach the first positioning of abrasive grinding wheel and red needle；Then pass through electrification
Red needle and abrasive grinding wheel realize the fine positioning of red needle and abrasive grinding wheel close to the potential difference formed；The above process is repeated, is realized
The positioning of red needle after buffing wheel and processing, the present invention improve the precision of product polishing, realize automation precise positioning
The purpose of polishing.
Detailed description of the invention
Fig. 1 is the work flow diagram of card grinding control method of the invention；
Fig. 2 is the structural schematic diagram of CCD full-automatic high precision needle grinding machine of the invention；
Fig. 3 is control principle schematic diagram of the invention.
Wherein, 1, pedestal；2 position regulators；3, red needle clamping device；4, industrial personal computer；5, preliminary grinding mechanism；6, it refines
Mechanism；
201, Y-axis guide table；202, Y-axis controls motor；203, collets；204, X-axis guide table；205, X-axis control electricity
Machine；206, X-axis is close to bracket；207, the close switch of X-axis；208, dust cover；
301, cabinet；302, shell is clamped；303, felt pad；304, third rotation control motor；305, third shaft coupling；
306, motor；307, collet locking cap；308, slubbing collet；309, spinneret slubbing red needle；310, insulate column；311, camera
Bracket；312, CCD camera；313, angular transducer；
501, it is ground shell；502, the first rotation control motor；503, first shaft coupling；504, abrasive grinding wheel；601, it throws
Bare hull body；602, the second rotation control motor；603, second shaft coupling；604, buffing wheel；
401, the first memory module；402, the second memory module；403, image processing module；404, automatically-generating module；
405, comparison module；406, display module；407, PID controller；408, A/D conversion module.
Specific embodiment
Below in conjunction with attached drawing and specific embodiment, the present invention will be described in detail, herein illustrative examples of the invention
And explanation is used to explain the present invention, but not as a limitation of the invention.
Referring to Fig.1 the invention further particularly discloses a kind of card grinding control method, include the following steps:
A kind of card grinding control method, including elder generation input to industrial personal computer 4 and need workpieces processing test pattern coordinate parameters, then into
Row following steps:
The coordinate of step 1) acquisition workpiece: spinneret slubbing red needle 309 to be processed is clamped on clamping device, work is passed through
Control machine 4 starts CCD camera 312, and starts third rotation control motor 304, obtains original workpiece by the rotation of workpiece
Image data is uploaded to image processing module 403 by image data, the second memory module 402,403 pairs of image processing module figures
It as data are handled, is transmitted to PC machine and carries out parameter with standard map and compare, calculate feed parameter.；
Step 2) abrasive grinding wheel 504 moves to tool setting position: opening Y-axis by industrial personal computer 4 and controls motor 202 and X-axis control
Motor 205 controls motor 202 by Y-axis and X-axis control motor 205 respectively drives Y-axis guide table movement 201 and X-axis guide table
204 movements, so that abrasive grinding wheel 504 is close to spinneret slubbing red needle 309, until abrasive grinding wheel 504 moves to tool setting position；
Step 3) abrasive grinding wheel 504 just positions: controlling shift position by industrial personal computer 4 and adjusts device 2, CCD camera 312 is not
The image data is uploaded to industrial personal computer 4 by the image data of disconnected acquisition abrasive grinding wheel 312, and the first memory module 401 is by the figure
It is handled as data are uploaded to image processing module 403, obtains the profile diagram of abrasive grinding wheel, and by automatically-generating module 404
The coordinate of abrasive grinding wheel 504 is obtained, and the coordinate data is uploaded to comparison module 405, with step 1) red needle standard map
Coordinate compares, and judges whether abrasive grinding wheel 504 reaches pre-value range at a distance from 309 needle point of spinneret slubbing red needle, if
Not within the scope of pre-value, then shift position adjusts device 2, until abrasive grinding wheel 309 is at a distance from red needle in pre-value range.
504 fine positioning of step 4) abrasive grinding wheel: after step 3) abrasive grinding wheel 504 just positions, abrasive grinding wheel 504 and punching
The distance of needle is within the scope of pre-value, at this point, shift position adjusts device 2, when being powered to red needle 309, abrasive grinding wheel 504 and punching
Needle 309 contacts, and high electricity frequency and low electricity frequency are formed in red needle 309 and 504 datum level of abrasive grinding wheel, so that a potential difference is formed,
PID controller sends a signal to PC, and operation feed parameter and standard picture operation coordinate are instructed, be transmitted to controller and hold by PC machine
Row.；
Step 5) workpiece preliminary working: starting the first rotation control motor 502 and third rotation control motor 304, the first rotation
Turning control motor 502 drives the first driving guide screw movement driving abrasive grinding wheel 504 to rotate；Third rotation control motor 304 drives
Third drives guide screw movement that motor 306 is driven to rotate, and spinneret slubbing red needle 309 is in 360 degree rotation；10 are milled to red needle；
Then shift position adjusts device 2, and abrasive grinding wheel 504 is made to be retracted into tool setting position；
The finishing of step 6) workpiece: CCD camera 312 obtains above-mentioned steps 5) red needle image after preliminary working, by the figure
As being uploaded to industrial personal computer 4, which is uploaded to image processing module 403 by the second memory module 402, the image procossing mould
Block 403 handles image data, obtains the coordinate of 309 needle point of spinneret slubbing red needle；Then step 3) and step are repeated
4) abrasive grinding wheel 309 is contacted with red needle, starting the first rotation control motor 502 and third rotation control motor 602, the
One rotation control motor 502 drives the first driving guide screw movement driving abrasive grinding wheel 504 to rotate；Third rotation control motor 602
Drive third driving guide screw movement that motor 306 is driven to rotate, spinneret slubbing red needle 309 is in 360 degree rotation, is milled to 3- to red needle
4；Then shift position adjusts device 2, and abrasive grinding wheel 504 is made to retract tool setting position；
Step 7) workpiece is polished: CCD camera 312 obtain above-mentioned steps 6) finishing after red needle image；Then
The image data that CCD camera 312 obtains is uploaded to industrial personal computer 4, image data is uploaded to image by the second memory module 402
Processing module 403, the image processing module 403 handle image data, obtain the seat of 309 needle point of spinneret slubbing red needle
Mark；Shift position is controlled by industrial personal computer 4 and adjusts device 2, during this, CCD camera 312 constantly obtains buffing wheel
The image data is uploaded to industrial personal computer 4 by 604 image data, which is uploaded to image by the first memory module 401
Processing module 403 is handled, and obtains the profile diagram of buffing wheel 604, and obtain buffing wheel by automatically-generating module 404
604 coordinate, and the coordinate data is uploaded to comparison module 405 carries out pair with the coordinate of 309 needle point of spinneret slubbing red needle
Than judging whether buffing wheel 604 reaches pre-value range at a distance from 309 needle point of spinneret slubbing red needle, if not in pre-value model
In enclosing, then shift position adjusts device 2, until buffing wheel 604 is at a distance from red needle in pre-value range；Then again by industrial personal computer
4 control shift positions adjust device 2, and when being powered to red needle, buffing wheel 604 is contacted with red needle 309, in red needle 309 and throw
High electricity frequency and low electricity frequency are formed on 604 datum level of light grinding wheel, to form a potential difference, PID controller issues position coordinates letter
Number, PC machine executes operational parameter instruction control unit, starting the second rotation control motor 602 and third rotation control motor
304, the second rotation control motor 602 drives the second driving guide screw movement driving buffing wheel 604 to rotate；Third rotation control electricity
Machine 304 drives third driving guide screw movement that motor 306 is driven to rotate, and spinneret slubbing red needle 309 is in 360 degree rotation；Meanwhile it opening
Dynamic Y-axis control motor 202 drives Y-axis control guide screw movement driving Y-axis guide table 201 to move, and spares to red needle polishing.
Referring to shown in Fig. 2~3, the invention also discloses a kind of CCD for realizing card grinding method described above is automatically high
Precision needle grinding machine, including a pedestal 1, and the position regulator 2 being arranged on pedestal 1, the position regulator 2 include Y
Axis mobile mechanism, and the X-axis mobile mechanism being arranged in Y-axis moving mechanism are provided with red needle in Y-axis moving mechanism rear end
Clamping device 3 is equipped with the CCD camera 312 that can scan bodkin, the CCD camera 312 and work on red needle clamping device 3
Control machine 4 connects, and the preliminary grinding mechanism 5 and fine grinding mechanism being arranged in a mutually vertical manner along horizontal square shaft are equipped in the X-axis mobile mechanism
6。
The Y-axis moving mechanism includes Y-axis guide table 201, and the Y-axis guide table 201 is driven by Y-axis control screw rod,
Y-axis controls lead screw front end connection Y-axis and controls motor 202, and its rear end is provided with Y-axis close to bracket, is equipped in Y-axis close on bracket
The close switch of Y-axis；The X-axis mobile mechanism is mounted in Y-axis guide table 201 comprising X-axis guide table 204, the X-axis are led
To platform 204 by X-axis control screw rod driving, X-axis control screw rod front end is provided with X-axis control motor 205, its rear end is provided with X
Axis is equipped with X-axis close on bracket 206 close to switch 207 close to bracket 206, in X-axis；The Y-axis control motor 202 is led with Y-axis
Dust cover 208 is equipped between motor 205 and X-axis guide table 204 to controlling between platform 201 the X-axis.
The Y-axis distinguishes automatic sensing Y-axis guide table 201 and X-axis guide table close to switch and X-axis close to switch 207
204 shift position prevents Y-axis guide table 201 and X-axis guide table 204 mobile excessive.
The preliminary grinding mechanism 5 and fine grinding mechanism 6 are isolated by collets 203 with X-axis mobile mechanism upper surface, at the beginning of described
Grinding machine structure 5 includes grinding shell 501, is equipped with the first rotation control motor 502, first rotation in grinding 501 rear end of shell
Turn control motor 502 and connect the first retarder, the retarder connects first shaft coupling 503, and the first shaft coupling 503 connects
First driving lead screw, described first drives inside lead screw through feed grinding shell 501, and connect with abrasive grinding wheel 504；The fine grinding
Mechanism 6 includes burnishing shell 601, is equipped with the second rotation control motor 602, second rotation in the rear end of burnishing shell 601
Turn control motor 602 and connect the second retarder, second retarder connects second shaft coupling 603, the second shaft coupling 603
Connection the second driving lead screw, the second driving lead screw are connect inside burnishing shell 601 with buffing wheel 604.
The red needle clamping device 3 includes cabinet 301 and the clamping shell 302 being mounted on cabinet 301, the clamping shell
Body 302 is insulated with 301 upper surface of cabinet by felt pad 303, and 302 rear end of clamping shell is equipped with third rotation control electricity
Machine 304, the third rotation control motor 304 connect third speed reducer, and the third speed reducer passes through third shaft coupling 305
It connects third and drives lead screw, which drives lead screw inside clamping shell 302, and is connected on motor 306, the motor
306 front ends are equipped with collet locking cap 307, and slubbing collet 308 is locked on motor 306 by the collet locking cap 307, in slubbing
It is clamped with spinneret slubbing red needle 309 in collet 308, has motor control with encoder to rotate on the third shaft coupling 305
Angle；An insulation column 310 is installed on the clamping shell 301, camera support 311 is equipped on insulation column 310, it is described
Camera support 311 fixes CCD camera 312, and the optic centre and spinneret slubbing of the camera of the CCD camera 312 are rushed
Needle 309 is located on same vertical axis.
The CCD camera 313 is used to acquire the image of the workpiece, and by image real-time delivery to industrial personal computer 4, described
Be equipped in industrial personal computer 4 first memory module 401, the second memory module 402, image processing module 403, automatically-generating module 404,
Comparison module 405, display module 906, PID controller 407, A/D conversion module 408；
First memory module 401 is to store the first procedure/the second step coordinate system；
Second memory module 402 is connect with CCD camera 312, to the workpiece image collected of CCD camera 312
Synchronize storage；
Described image processing module 403 carries out edge processing to image, extracts the contour line of workpiece；
The automatically-generating module 404 automatically generates coordinate system according to the processed image of image processing module 403；
The coordinate system and actual coordinates for the first procedure that the comparison module 405 stores the first memory module 401
It compares；
The PID controller 407 connect 408 with A/D conversion module, and the A/D conversion module 408 is separately connected Y-axis control
Motor 202 processed and X-axis control motor 302 and the first rotation control rotation of motor 502, second control motor 602 and third rotation
Control motor 304.
The present invention obtains the position of red needle to be processed and abrasive grinding wheel by CCD camera, by automatically-generating module
404 automatically generate coordinate system according to the processed image of image processing module 403, and comparison module 405 is by the first memory module
The coordinate system of first procedure of 401 storages is compared with actual coordinates, and controls adjustment device by PID controller 407
Movement, until abrasive grinding wheel 504 at a distance from red needle in pre-value range, reach the first positioning of abrasive grinding wheel and 504 red needles；Then
By electrification red needle and abrasive grinding wheel 504 close to the potential difference formed, the fine positioning of red needle and abrasive grinding wheel 504 is realized；It weighs again
The multiple above process, the positioning of the red needle after realizing buffing wheel 604 and processing, the present invention improves the precision of product polishing, real
The purpose of automation precise positioning polishing is showed.
Technical solution disclosed in the embodiment of the present invention is described in detail above, specific implementation used herein
Example is expounded the principle and embodiment of the embodiment of the present invention, and the explanation of above embodiments is only applicable to help to understand
The principle of the embodiment of the present invention；At the same time, for those skilled in the art is being embodied according to an embodiment of the present invention
There will be changes in mode and application range, in conclusion the content of the present specification should not be construed as to limit of the invention
System.
Claims (9)
1. a kind of card grinding control method, which is characterized in that need workpieces processing test pattern coordinate to industrial personal computer input including elder generation
Parameter, then carry out following steps:
The coordinate of step 1) acquisition workpiece: spinneret slubbing red needle to be processed is clamped on clamping device, is opened by industrial personal computer
Dynamic CCD camera, and start third rotation control motor, obtains the image data of original workpiece by the rotation of workpiece, and second
Image data is uploaded to image processing module by memory module, which handles image data, is transmitted to PC
Machine carries out parameter with standard map and compares, and calculates feed parameter.
Step 2) abrasive grinding wheel moves to tool setting position: opening Y-axis by industrial personal computer and controls motor and X-axis control motor, by Y-axis control
Motor processed and X-axis control motor respectively drive the movement of Y-axis guide table and the movement of X-axis guide table, so that abrasive grinding wheel is close to spinneret
Wrench road red needle, until abrasive grinding wheel moves to tool setting position；
Step 3) abrasive grinding wheel just positions: adjusting device by industrial personal computer control shift position, CCD camera constantly obtains grinding
The image data is uploaded to industrial personal computer by the image data of grinding wheel, which is uploaded at image by the first memory module
Reason module is handled, and obtains the profile diagram of abrasive grinding wheel, and automatically-generating module obtains the coordinate of abrasive grinding wheel, and by the seat
Mark data are uploaded to comparison module, compare with the coordinate of step 1) red needle standard map, judge abrasive grinding wheel and spinneret
Whether the distance of slubbing red needle needle point reaches pre-value range, if shift position adjusts device not within the scope of pre-value, until mill
Grinding wheel is cut at a distance from red needle in pre-value range；
Step 4) abrasive grinding wheel fine positioning: after step 3) abrasive grinding wheel just positions, abrasive grinding wheel is at a distance from red needle pre-
It is worth in range, at this point, shift position adjusts device, when being powered to red needle, abrasive grinding wheel is contacted with red needle, in red needle and grinding
High electricity frequency and low electricity frequency are formed on grinding wheel datum level, to form a potential difference, PID controller sends a signal to PC, and PC machine will
Operation feed parameter and standard picture operation coordinate instruction, are transmitted to controller execution.
Step 5) workpiece preliminary working: starting the first rotation control motor and third rotation control motor, the first rotation control motor
Drive the first driving guide screw movement driving abrasive grinding wheel rotation；Third rotation control motor drives third driving guide screw movement to drive
Motor rotation, spinneret slubbing red needle are in 360 degree rotation；10 are milled to red needle；Then shift position adjusts device, makes to be ground
Grinding wheel is retracted into tool setting position；
The finishing of step 6) workpiece: CCD camera obtains above-mentioned steps 5) red needle image after preliminary working, which is uploaded to
The image data is uploaded to image processing module by industrial personal computer, the second memory module, the image processing module to image data into
Row processing, obtains the coordinate of spinneret slubbing red needle needle point；Then step 3) and step 4) are repeated, connects abrasive grinding wheel with red needle
In touching, starting the first rotation control motor and third rotation control motor, the first rotation control motor drive the first driving lead screw
Movement driving abrasive grinding wheel rotation；Third rotation control motor drives third driving guide screw movement to drive motor rotation, spinneret
Slubbing red needle is in 360 degree rotation, is milled to 3-4 to red needle；Then shift position adjusts device, retracts abrasive grinding wheel to knife position
It sets；
Step 7) workpiece is polished: CCD camera obtain above-mentioned steps 6) finishing after red needle image；Then CCD is taken the photograph
The image data that camera obtains is uploaded to industrial personal computer, and image data is uploaded to image processing module by the second memory module, the figure
As processing module handles image data, the coordinate of spinneret slubbing red needle needle point is obtained；Mobile position is controlled by industrial personal computer
Adjustment device is set, during this, CCD camera constantly obtains the image data of buffing wheel, which is uploaded
To industrial personal computer, which is uploaded to image processing module and handled by the first memory module, obtains the wheel of buffing wheel
Exterior feature figure, and the coordinate of buffing wheel is obtained by automatically-generating module, and the coordinate data is uploaded to comparison module, with spinneret
The coordinate of slubbing red needle needle point compares, and judges whether buffing wheel reaches pre-value at a distance from spinneret slubbing red needle needle point
Range, if shift position adjusts device not within the scope of pre-value, until buffing wheel is at a distance from red needle in pre-value range；
Then device is adjusted by industrial personal computer control shift position again, when being powered to red needle, buffing wheel is contacted with red needle, in red needle and
High electricity frequency and low electricity frequency are formed on buffing wheel datum level, to form a potential difference, PID controller issues position coordinates letter
Number, PC machine executes operational parameter instruction control unit, starting the second rotation control motor and third rotation control motor, the second rotation
Turn control motor and drives the second driving guide screw movement driving buffing wheel rotation；Third rotation control motor drives third to drive silk
Thick stick movement drives motor rotation, and spinneret slubbing red needle is in 360 degree rotation；Meanwhile starting Y-axis control motor and driving Y-axis control
Guide screw movement drives the movement of Y-axis guide table, spares to red needle polishing.
2. card grinding control method according to claim 1, which is characterized in that in step 5), if red needle to be processed is
Special-shaped red needle then starts third rotation control motor and drives the rotation of third shaft coupling, and angular transducer can incude third shaft coupling
Rotation angle, and pass data on industrial personal computer and stopped working by PID controller control third rotation control motor, grind
Cut the grinding wheel one side that only processing profiled red needle is in contact with it；It constantly repeats the above steps, until special-shaped red needle completes the process.
3. a kind of CCD full-automatic high precision needle grinding machine for realizing card grinding control method described in claim 1~2, feature exist
In, including a pedestal, and the position regulator of setting on the base, which includes Y-axis moving mechanism, with
And the X-axis mobile mechanism in Y-axis moving mechanism is set, Y-axis moving mechanism rear end is provided with red needle clamping device, in red needle
Clamping device is equipped with the CCD camera that can scan bodkin, which connect with industrial personal computer, the X-axis mobile mechanism
On the preliminary grinding mechanism being arranged in a mutually vertical manner along horizontal square shaft and fine grinding mechanism are installed.
4. CCD full-automatic high precision needle grinding machine according to claim 3, which is characterized in that the Y-axis moving mechanism includes
Y-axis guide table, the Y-axis guide table are driven by Y-axis control screw rod, control motor in Y-axis control lead screw front end connection Y-axis,
Rear end is provided with Y-axis close to bracket, and Y-axis is equipped with close on bracket close to switch in Y-axis；
The X-axis mobile mechanism is mounted in Y-axis guide table comprising X-axis guide table, the X-axis guide table control silk by X-axis
Bar driving is provided with X-axis control motor in X-axis control screw rod front end, and its rear end is provided with X-axis close to bracket, in the close branch of X-axis
Frame is equipped with X-axis close to switch.
5. CCD full-automatic high precision needle grinding machine according to claim 4, which is characterized in that the Y-axis control motor and Y
Dust cover is equipped between X-axis control motor and X-axis guide table between axis guide table.
6. CCD full-automatic high precision needle grinding machine according to claim 3, which is characterized in that the preliminary grinding mechanism and fine grinding
Mechanism passes through collets and is isolated with X-axis mobile mechanism upper surface, and the preliminary grinding mechanism includes grinding shell, after being ground shell
End is equipped with the first rotation control motor, and the first rotation control motor connects the first retarder, retarder connection the
One shaft coupling, the first driving of first shaft coupling connection lead screw, the first driving lead screw through feed grinding enclosure interior, and with
Abrasive grinding wheel connection；
The fine grinding mechanism includes burnishing shell, the rear end of burnishing shell be equipped with the second rotation control motor, described second
Rotation control motor connects the second retarder, and second retarder connects second shaft coupling, the second shaft coupling connection the
Two driving lead screws, the second driving lead screw are connect inside burnishing shell with buffing wheel.
7. CCD full-automatic high precision needle grinding machine according to claim 3, which is characterized in that the red needle clamping device packet
The clamping shell for including cabinet and being mounted on cabinet, the clamping shell and cabinet upper surface are insulated by felt pad, the folder
It holds housing rear end and third rotation control motor is installed, the third rotation control motor connects third speed reducer, the third
Speed reducer connects third by third shaft coupling and drives lead screw, which drives lead screw through clamping enclosure interior, and is connected to
On motor, the motor front end is equipped with collet locking cap, and slubbing collet is locked on motor by the collet locking cap, in slubbing
It is clamped with spinneret slubbing red needle in collet, there is motor control rotation angle with encoder on the third shaft coupling；
One insulation column is installed on the clamping shell, is equipped with camera support on insulation column, the camera support is fixed
CCD camera.
8. CCD full-automatic high precision needle grinding machine according to claim 7, which is characterized in that the camera shooting of the CCD camera
The optic centre and spinneret slubbing red needle of head are located on same vertical axis.
9. CCD full-automatic high precision needle grinding machine according to claim 3, which is characterized in that the CCD camera is for adopting
Collect the image of the workpiece, and by image real-time delivery to industrial personal computer, the industrial personal computer is interior to be deposited equipped with the first memory module, second
Store up module, image processing module, automatically-generating module, comparison module, display module, PID controller, A/D conversion module；
Coordinate system of first memory module to store the first procedure；
Second memory module is connect with CCD camera, synchronizes storage to CCD camera workpiece image collected；
Described image processing module carries out edge processing to image, extracts the contour line of workpiece；
The automatically-generating module automatically generates coordinate system according to the processed image of image processing module；
The comparison module compares the coordinate system for the first procedure that the first memory module stores with actual coordinates；
The PID controller and A/D conversion module, the A/D conversion module are separately connected Y-axis control motor and X-axis control electricity
Machine and the first rotation control motor, the second rotation control motor and third rotation control motor.
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| CN109623578B (en) | 2023-08-08 |
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