CN107931397A - The on-Line Monitor Device and monitoring method of a kind of press machine - Google Patents
The on-Line Monitor Device and monitoring method of a kind of press machine Download PDFInfo
- Publication number
- CN107931397A CN107931397A CN201711156667.0A CN201711156667A CN107931397A CN 107931397 A CN107931397 A CN 107931397A CN 201711156667 A CN201711156667 A CN 201711156667A CN 107931397 A CN107931397 A CN 107931397A
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- China
- Prior art keywords
- tablet
- male die
- displacement sensor
- press machine
- laser displacement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 title claims description 7
- 238000006073 displacement reaction Methods 0.000 claims abstract description 67
- 238000004049 embossing Methods 0.000 claims abstract description 48
- 238000012545 processing Methods 0.000 claims description 18
- 230000001133 acceleration Effects 0.000 claims description 10
- 238000004080 punching Methods 0.000 claims description 6
- 230000004323 axial length Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 2
- 238000001514 detection method Methods 0.000 abstract description 5
- 238000004088 simulation Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 238000007689 inspection Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Presses (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention provides the on-Line Monitor Device and method of a kind of press machine, by setting first laser displacement sensor on embossing male die, second laser displacement sensor and strain transducer are set on coining platform, the process of tablet is monitored in real time, and the working depth of every tablet is monitored, bad tablet can be found in time, and detection efficiency is high, omission factor is low.
Description
Technical field
The present invention relates to press machine processing technique field, more particularly to a kind of on-Line Monitor Device of press machine and monitoring side
Method.
Background technology
Press machine is used to be processed tablet, needs to be detected the press depth of tablet after machining, existing
Some detection modes are that machining a collection of tablet using common punching press comes out, then by manually being inspected by random samples to the batch of material piece, root
Judge whether the batch of material piece is qualified according to the defect ratio in sampling observation, if defect ratio is higher, judge the batch of material piece all not
Qualification, because being tested by sampling observation mode, is on the one hand easy to bad tablet missing inspection, omission factor is higher, another
If aspect scraps whole tablets according to testing result, the qualified tablet in part certainly will also be scrapped, waste larger, increase production
Cost, therefore there are efficiency is low, omission factor is high, wastes the problem of big for the existing this mode manually inspected by random samples.
The content of the invention
The present invention provides a kind of on-Line Monitor Device of press machine, which can monitor the process of tablet in real time
And every tablet is monitored, bad tablet is found in time, and detection efficiency is high, omission factor is low while can avoid wasting.
The technical solution adopted in the present invention is a kind of on-Line Monitor Device of press machine, including connected press machine and
Computer, the press machine include upper mold seat and die holder, connected motor and cylinder are equipped with the middle part of the upper mold seat
The embossing male die of type, the end of the embossing male die is to the projection of die holder side；The die holder is equipped with coining platform,
The upper surface of the coining platform is used to place tablet, and it is fixed that at least two are additionally provided with the upper surface of the coining platform
Position column, the tablet are placed between the positioning column；Multiple first are equipped with the excircle of the embossing male die
Laser displacement sensor, multiple and described first laser displacement sensors is equipped with the circumferential side wall of the coining platform
One-to-one second laser displacement sensor, multiple strain sensings are additionally provided with below the second laser displacement sensor
Device；First laser displacement sensor, second laser displacement sensor and the strain transducer respectively with the computer
It is connected.
After the above technical solution is adopted, the present invention has the following advantages compared with prior art:
By setting multiple first laser displacement sensors, second laser displacement sensor and strain transducer, survey in real time
Impact force when amount imprints the position of convex film, processing tablet, the reality of every tablet is calculated in conjunction with temporal information by computer
Working depth, and theoretical working depth and theoretical error value scope is preset with a computer, the automatic actual processing that calculates is missed
Difference, is just defective products when actual processing error exceeds theoretical error value scope, while there is provided multigroup first laser displacement biography
Sensor, second laser displacement sensor, multiple strain transducers especially occur easy to reduce measurement error in a certain sensor
When abnormal, exception just can be had soon found that by contrasting other sensors, therefore the present apparatus can find bad tablet in time, inspection
It is low while can avoid wasting to survey efficient, high certainty of measurement, omission factor.
As an improvement, being additionally provided with guide sleeve on the upper mold seat, the height of the guide sleeve is less than embossing male die axial direction
The half of length；The guide sleeve is equipped with pilot hole, and the guide sleeve is connected with the upper mold seat by guide post, described
Embossing male die end sleeve in the pilot hole, guide sleeve is used to limit the direction of motion of embossing male die.
As an improvement, the first laser displacement sensor is located at the middle part of the embossing male die axial length and position
In the upper end of the guide sleeve and positioned at the upper end of the guide sleeve, since the tache motorice of embossing male die is sleeved in guide sleeve, avoid
The peripheral collision of first laser displacement sensor and guide sleeve, thus first laser displacement sensor is cylindrical installed in embossing male die
The middle part in week, is easily installed and measures.
As an improvement, the first laser displacement sensor, second laser displacement sensor distinguish spaced set, just
In installation and measurement.
As an improvement, the strain transducer spaced set, is easily installed and measures.
As an improvement, the positioning column is 4, easy to position tablet.
Present invention also offers a kind of on-line monitoring method of press machine, comprise the following steps：
S1, by computer by the number of first laser displacement sensor, second laser displacement sensor and strain transducer
Value is reset, and presets theoretical working depth, the theoretical error value scope of tablet processing in a computer；
S2, embossing male die proceed by tablet punch process, and record time started t is that 0, embossing male die starts contact material
The numerical value of strain transducer starts to increase relative to its initial value during piece, and it is t to record the moment1, when embossing male die leaves tablet,
The numerical value of strain transducer reverts to initial value, and it is t to record the moment2, the initial value is that tablet is placed on coining platform
Value when upper measured by strain transducer；First laser displacement sensor, second laser displacement sensor detection coining are convex at the same time
The displacement data of mould is simultaneously sent to computer；
S3, computer are recorded and analyzed to the displacement data of reception, and coining is calculated according to displacement and time data
The velocity and acceleration a of punch-pin, and displacement is drawn out respectively, the curve map that speed, acceleration change with time t；
S4, according to impact force F=ma, wherein m is the quality of embossing male die, calculates and draws out embossing male die to tablet
The curve map that impact force F changes with time t；
S5, calculate according to impact force F and displacement data and imprint convex film to tablet work done W, and draws out W with time t
The curve map of change；
S6, calculate embossing male die in t1-t2Shift value in period, the shift value are the actual processing depth of tablet, are painted
The curve map of working depth processed, actual error value is calculated in conjunction with theoretical working depth；
Whether S7, judge actual error value in theoretical ranges of error values；If actual error value belongs to theoretical error scope,
Then enter S8, if actual error value is not belonging to theoretical error value scope, into S10；
S8, punching press are completed, and are imprinted convex film and are returned to initial position, the computer record time is t3, a process-cycle terminates；
S9, replace next tablet, returns to S1；
S10, computer control press machine stop processing tablet.
After the above technical solution is adopted, the present invention has the following advantages compared with prior art：
Can be monitored in real time by this method displacement in tablet process, speed, acceleration, impact force, it is actual plus
The numerical value of work depth, work(, while by drawing the curve map of corresponding each item data, the change for more intuitively embodying each item data becomes
Gesture also allows for subsequently looking into the process of tablet；Furthermore due to being preset with theoretical error value scope in a computer, in reality
When error amount is not belonging to theoretical error value scope, computer controls press machine to stop processing tablet in time, can effectively avoid adding
Work goes out the defective products of batch, reduces fraction defective, reduces the loss of enterprise.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention
Fig. 2 is flow chart of the present invention
Fig. 3 is the simulation curve figure that the displacement x of embossing male die changes with time t
Fig. 4 is the simulation curve figure that the speed v of embossing male die changes with time t
Fig. 5 is the simulation curve figure that the acceleration a of embossing male die changes with time t
Fig. 6 is the simulation curve figure that impact force F changes with time t
Fig. 7 is the simulation curve figure that press depth h changes with time t
Fig. 8 is the simulation curve figure that work(W changes with time t
Shown in figure, 1, upper mold seat, 11, embossing male die, 111, first laser sensor, 12, guide sleeve, 2, die holder, 21,
Imprint platform, 211, second laser sensor, 212, strain transducer, 22, positioning column, 3, tablet, 4, guide post.
Embodiment
As shown in Figure 1, a kind of on-Line Monitor Device of press machine, including connected press machine and computer, press machine bag
Upper mold seat 1 and die holder 2 are included, the middle part of upper mold seat 1 is equipped with the embossing male die 11 of connected motor and cylindrical type, preferably, pressure
Print punch-pin 11 is multi-diameter shaft, and the end of embossing male die is to the projection of die holder side, and motor driving embossing male die is vertically
Pump；Coining platform 21 is equipped with die holder 2, the upper surface of coining platform 21 is used to place tablet 3, is imprinting
At least two positioning columns 22 are additionally provided with the upper surface of platform, tablet 3 is placed between positioning column 22, preferably sets positioning column
It is set to 4 spacing four corners in tablet respectively；Multiple first laser displacement sensings are equipped with the excircle of embossing male die 11
Device 111, preferably, first laser displacement sensor 111 to be arranged on to the middle part of 11 axial length of embossing male die, in coining platform
21 circumferential side wall is equipped with the multiple and one-to-one second laser displacement sensor 211 of first laser displacement sensor 111,
Multiple strain transducers 212 are additionally provided with below second laser displacement sensor 211；For the ease of installing and measuring, first swashs
Optical displacement sensor, second laser displacement sensor and the equal spaced set of strain transducer and it is connected respectively with computer.
Guide sleeve 12 is additionally provided with upper mold seat 1, the height of guide sleeve is less than the half of embossing male die axial length, and first laser displacement passes
Sensor is located at the upper end of guide sleeve；Pilot hole is equipped with guide sleeve, guide sleeve 12 is connected with upper mold seat 1 by guide post 4, embossing male die
End sleeve is in pilot hole.
As shown in Fig. 2, present invention also offers a kind of on-line monitoring method of press machine, comprise the following steps：
S1, by computer by the number of first laser displacement sensor, second laser displacement sensor and strain transducer
Value is reset, and presets theoretical working depth, the theoretical error value scope of tablet processing in a computer；
S2, embossing male die proceed by tablet punch process, and record time started t is that 0, embossing male die starts contact material
The numerical value of strain transducer starts to increase relative to its initial value during piece, and it is t to record the moment1, when embossing male die leaves tablet,
The numerical value of strain transducer reverts to initial value, and it is t to record the moment2, initial value should when being placed on for tablet on coining platform
Become the value measured by sensor, in t1-t2Period, the change procedure of strain transducer for initial value-increase-initial value or certain
One stablizes the value near initial value；Strain transducer is sent to computer by data are detected, and computer determines t with this1、t2When
Carve；First laser displacement sensor, second laser displacement sensor detect the displacement x of embossing male die and are sent to calculating at the same time
Machine；
S3, computer are recorded and analyzed to the displacement x of reception, and it is convex to calculate coining according to displacement x and time data
The speed v and acceleration a of mould, and the curve map that displacement x, speed v, acceleration a change with time t is drawn out respectively；
S4, according to impact force F=ma, wherein m is the quality of embossing male die, calculates and draws out embossing male die to tablet
The curve map that impact force F changes with time t；
S5, calculate according to impact force F and displacement data and imprint convex film to tablet work done W, is located at t1Moment, coining are convex
The displacement of mould is x1, in t2The displacement of moment embossing male die is x2, according to the inspection of first laser sensor, second laser sensor
X can be drawn by surveying data1、x2, in one cycle, W=F* (x2-x1) and draw out the curve map that W changes with time t；
S6, calculate embossing male die in t1-t2Shift value in period, i.e. x2-x1；The absolute value of the shift value is tablet
Actual processing depth h, draw the curve map of actual processing depth h, actual error value calculated in conjunction with theoretical working depth,
Whether S7, judge actual error value in theoretical ranges of error values；If actual error value belongs to theoretical error scope,
Then enter S8, if actual error value is not belonging to theoretical error value scope, into S10；
S8, punching press are completed, and are imprinted convex film and are returned to initial position, the computer record time is t3, a process-cycle terminates；
S9, replace next tablet, returns to S1；
S10, computer control press machine stop processing tablet.
In S2, why the initial value of strain transducer selects to put measured value rather than 0 after tablet, mainly
Because tablet is there are certain mass, when it is placed on coining platform, due to gravity factor, the numerical value of strain transducer is opposite
Change is had occurred and that in original value 0, furthermore since tablet is in processing, there is some difference for the quality of each tablet, therefore is
Easy to precisely definite t1、t2At the moment, value when selecting tablet being placed on coining platform measured by strain transducer is as just
Initial value.
Drawn by experimental simulation, displacement, speed, acceleration, impact force, press depth, the change curve of work(, such as 2
It to being in cyclically-varying shown in Fig. 8, therefore can be compared by setting between preset value or adjacent periods, work as number
When larger fluctuation occurs for value, computer just can be found quickly by comparing, and curve map all records work flow, just
Looked into subsequently.In conclusion utilize displacement, speed, acceleration, impact force, the punching that can be realized in the present invention to press machine
The real-time monitoring of depth, work(is pressed, easy to find that processing is abnormal in time, avoids producing bulk defective products, while simple in structure,
Error is small, detection efficiency is high, greatly reduces the cost of labor of processing.
Claims (7)
1. a kind of on-Line Monitor Device of press machine, it is characterised in that including connected press machine and computer, the punching press
Machine includes upper mold seat (1) and die holder (2), and the coining of connected motor and cylindrical type is equipped with the middle part of the upper mold seat (1)
Punch-pin (11), the end of the embossing male die (11) is to die holder (2) side projection；The die holder (2) is equipped with pressure
Platform (21) is printed, the upper surface of the coining platform (21) is used to place tablet (3), in the upper of the coining platform (21)
At least two positioning columns (22) are additionally provided with end face, the tablet (3) is placed between the positioning column (22)；Described
The excircle of embossing male die (11) be equipped with multiple first laser displacement sensors (111), in the week of the coining platform
The one-to-one second laser displacement sensor of multiple and described first laser displacement sensors (111) is equipped with to side wall
(211), multiple strain transducers (212) are additionally provided with below the second laser displacement sensor (211)；Described first
Laser displacement sensor (111), second laser displacement sensor (211) and strain transducer (212) respectively with the calculating
Machine is connected.
2. the on-Line Monitor Device of a kind of press machine according to claim 1, it is characterised in that in the upper mold seat
(1) guide sleeve (12) is additionally provided with, the height of the guide sleeve is less than the half of embossing male die axial length；The guide sleeve
Equipped with pilot hole, the guide sleeve (12) is connected with the upper mold seat (1) by guide post (4), the end of the embossing male die
Portion is sleeved in the pilot hole.
3. the on-Line Monitor Device of a kind of press machine according to claim 1 or 2, it is characterised in that described first swashs
Optical displacement sensor (111) is located at the middle part of the embossing male die axial length and positioned at the upper end of the guide sleeve.
A kind of 4. on-Line Monitor Device of press machine according to claim 1, it is characterised in that the first laser position
Displacement sensor (111), second laser displacement sensor (211) difference spaced set.
A kind of 5. on-Line Monitor Device of press machine according to claim 1, it is characterised in that the strain transducer
(212) spaced set.
A kind of 6. on-Line Monitor Device of press machine according to claim 1, it is characterised in that the positioning column (22)
For 4.
7. the on-line monitoring method of a kind of a kind of press machine according to claim 1 to 6, it is characterised in that including following
Step：
It is S1, by computer that the numerical value of first laser displacement sensor, second laser displacement sensor and strain transducer is clear
Zero, and theoretical working depth, the theoretical error value scope of tablet processing are preset in a computer；
S2, embossing male die proceed by tablet punch process, when record time started t is that 0, embossing male die starts to contact tablet
The numerical value of strain transducer starts to increase relative to its initial value, and it is t to record the moment1, when embossing male die leaves tablet, strain
The numerical value of sensor reverts to initial value, and it is t to record the moment2, when the initial value is placed on coining platform for tablet
Value measured by strain transducer；First laser displacement sensor, second laser displacement sensor detect embossing male die at the same time
Displacement data is simultaneously sent to computer；
S3, computer are recorded and analyzed to the displacement data of reception, and embossing male die is calculated according to displacement and time data
Velocity and acceleration a, and draw out displacement respectively, the curve map that speed, acceleration change with time t；
S4, according to impact force F=ma, wherein m is the quality of embossing male die, calculates and draws out impact of the embossing male die to tablet
The curve map that power F changes with time t；
S5, calculate according to impact force F and displacement data and imprint convex film to tablet work done W, and draws out W and change with time t
Curve map；
S6, calculate embossing male die in t1-t2Shift value in period, the shift value are the actual processing depth of tablet, draw and add
The curve map of work depth, actual error value is calculated in conjunction with theoretical working depth；
Whether S7, judge actual error value in theoretical ranges of error values；If actual error value belongs to theoretical error scope, into
Enter S8, if actual error value is not belonging to theoretical error value scope, into S10；
S8, punching press are completed, and are imprinted convex film and are returned to initial position, the computer record time is t3, a process-cycle terminates；
S9, replace next tablet, returns to S1；
S10, computer control press machine stop processing tablet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156667.0A CN107931397B (en) | 2017-11-20 | 2017-11-20 | Online monitoring device and method for punching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711156667.0A CN107931397B (en) | 2017-11-20 | 2017-11-20 | Online monitoring device and method for punching machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107931397A true CN107931397A (en) | 2018-04-20 |
| CN107931397B CN107931397B (en) | 2024-04-19 |
Family
ID=61929197
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711156667.0A Active CN107931397B (en) | 2017-11-20 | 2017-11-20 | Online monitoring device and method for punching machine |
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| Country | Link |
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| CN (1) | CN107931397B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111469325A (en) * | 2020-03-24 | 2020-07-31 | 安徽奥邦科技有限公司 | Battery case production is with high-efficient towards shell equipment |
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| JP2007152427A (en) * | 2005-11-08 | 2007-06-21 | Toyota Motor Corp | Method and apparatus for determining press defect, and press forming apparatus |
| JP2009095877A (en) * | 2007-10-18 | 2009-05-07 | Nippon Steel Corp | Apparatus and method for press-forming sheet metal |
| CN205110556U (en) * | 2015-11-19 | 2016-03-30 | 吴江市莘塔前进五金厂 | Compound hardware mould |
| CN205650676U (en) * | 2016-04-01 | 2016-10-19 | 杭州凯贝奈特科技有限公司 | Punching die with function is detected to position |
| CN106077286A (en) * | 2016-06-22 | 2016-11-09 | 苏州天朋精密元器件有限公司 | A kind of Stress control diel |
| CN207592527U (en) * | 2017-11-20 | 2018-07-10 | 武汉工程大学 | A kind of on-Line Monitor Device of press machine |
-
2017
- 2017-11-20 CN CN201711156667.0A patent/CN107931397B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007152427A (en) * | 2005-11-08 | 2007-06-21 | Toyota Motor Corp | Method and apparatus for determining press defect, and press forming apparatus |
| JP2009095877A (en) * | 2007-10-18 | 2009-05-07 | Nippon Steel Corp | Apparatus and method for press-forming sheet metal |
| CN205110556U (en) * | 2015-11-19 | 2016-03-30 | 吴江市莘塔前进五金厂 | Compound hardware mould |
| CN205650676U (en) * | 2016-04-01 | 2016-10-19 | 杭州凯贝奈特科技有限公司 | Punching die with function is detected to position |
| CN106077286A (en) * | 2016-06-22 | 2016-11-09 | 苏州天朋精密元器件有限公司 | A kind of Stress control diel |
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| CN111469325A (en) * | 2020-03-24 | 2020-07-31 | 安徽奥邦科技有限公司 | Battery case production is with high-efficient towards shell equipment |
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|---|---|
| CN107931397B (en) | 2024-04-19 |
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