CN100578405C - Cam system with mold database - Google Patents
Cam system with mold database Download PDFInfo
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- CN100578405C CN100578405C CN200710191368A CN200710191368A CN100578405C CN 100578405 C CN100578405 C CN 100578405C CN 200710191368 A CN200710191368 A CN 200710191368A CN 200710191368 A CN200710191368 A CN 200710191368A CN 100578405 C CN100578405 C CN 100578405C
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Abstract
The invention relates to a cam system with a mold data library, which belongs to a stamping mechanical punch controlling technological field. The invention is mainly characterized in that a blind hole one-loop absolute encoder is connected with the transmission shaft of a stamping mechanical cam; the blind hole one-loop absolute encoder is connected with a PLC controller through a RS422 serial port bus; a set touch display screen is connected with the PLC controller through a RS232C. A software system comprises a cam part and the mode data library part. An E<2>PROM storage is applied to data which is used to record cam parameter to ensure the data is not lost even when electricity is cut off. A static equation distribution is used to make sure the reasonable use of the cam parameter and the 99 groups of mode storerooms to the E<2>PROM. With the one-loop absolute encoder and the method of induction switches on the top of a crank shaft mutually comparing, the invention can effectively avoid the occurrence of dangerous action single linked-impact; at the same time, the mode data library can be widely used in the pipelining operation of a large-sized straight side press.
Description
Technical field
The present invention relates to a kind of camming, belong to press punch press control technology field with mold database.
Background technology
Modern press machine substantially all is equipped with camming, is used for controlling the motion of press machine, and produces needs output respective angles according to different moulds.Primary structure has following several: a kind ofly be made of traditional mechanical induction type cam and its control circuit, this system can only reflect the state of ad-hoc location, and the cam set number is limited, in case gear train goes wrong, may cause serious security incident, angular setting needs the professional, does not have expanded function substantially; Second kind of electronic cam system that constitutes by rotary transformer and himself microcomputer, the not enough hommization in this system operation interface, a little less than the expanded function, cost an arm and a leg, and can only be connected with machine tool controller, the input/output point of waste machine tool controller by switching value, when going wrong, the personage that is transferred to civilian work could solve, and rotary transformer and transmission shaft flexible coupling occur loosening through regular meeting, potential safety hazard is arranged; The third is by the combined system that traditional mechanical induction type cam and electric cam constitute, and this system installs loaded down with trivial details, difficult in maintenance, costs an arm and a leg the equipment of only suitable unit operation, the line production of incompatibility large-scale production line.
Summary of the invention
The objective of the invention is at existing press camming above shortcomings, the safe reliability that can increase substantially press machine is provided, not only can guarantee the safe and reliable of camming, can also monitor in real time the crankshaft speed and the clutch brake angle of press machine, when exceeding design parameter, can warn and point out and carry out necessary care and maintenance.And can be by the setting of friendly man-machine conversation realization to the camming parameter, the relative electric cam of cost is also relatively more cheap, easy to maintenance, simple in structure, is fit to a kind of camming with mold database of large-size pipeline high-efficient automatic operation.
The objective of the invention is to be achieved through the following technical solutions, a kind of camming with mold database, the PLC controller that comprises press and configuration thereof, secondary parking detector switch in cam drive axle top connects the PLC controller, it is characterized in that: connect the individual pen absolute encoder that is provided with on the described press cam drive axle, the punching press body of the shell of individual pen absolute encoder and cam drive next to axis is flexible to be connected admittedly, the individual pen absolute encoder links to each other with the PLC controller by the RS422 serial bus, and the touch display screen of setting links to each other with the PLC controller by RS232C; System software comprises cam portion and mold database two parts, the The data E of record cam parameter
2The PROM storage is not lost to guarantee the data power down yet, takies byte according to size of data and how much distributes, to guarantee that cam parameter and 99 groups of mould storehouse cam parameters are to E
2The reasonable utilization of PROM.
Described cam portion software comprises crankshaft angles, and bottom dead centre is proofreaied and correct; Forward, reverse upper dead center automatic stopping; Clutch coupling 90 degree drag angles detect; The secondary stop-working protection; 32 groups of angle outputs able to programme; The highest minimum speed limit of machine tool travel number of times; The clutch operating counting; Output input and output safety detection; The special-purpose output cam able to programme of self-feeding; 6 groups of special-purpose output cams able to programme of cutting; The special-purpose output cam able to programme of robotization source of the gas; The special-purpose output cam able to programme of tonnage meter; The special-purpose output cam able to programme of photoelectricity.
Every group of mould is to 8 groups of dedicated cam in the described mold database, and 99 groups of moulds of maximum support, mold database software comprise the special-purpose output cams able to programme of 2 groups of self-feedings; 2 groups of special-purpose output cams able to programme of cutting; 2 groups of robotization source of the gas output cams able to programme; 2 groups of special-purpose output cams able to programme of tonnage meter.
The mode that the present invention contrasts mutually by individual pen absolute encoder and bent axle top inductive switch, the generation that can effectively prevent the dangerous play single connection in the press machine to dash.And by friendly man-machine interface, can the handled easily personnel use, can inform the trouble spot in the mode of literal when breaking down, maintain easily.And by of the real-time monitoring of individual pen absolute encoder, guarantee that lathe moves in design parameter, when surpassing design parameter again, can report to the police and carry out necessary care and maintenance with prompting to bent axle travelling speed and clutch brake angle.Mold database can be widely used in again in the large-scale straight side press pipelining simultaneously.
Description of drawings
Fig. 1 is for comprising the formation synoptic diagram of press part hardware in the system of the present invention;
Fig. 2 is a system software pie graph of the present invention;
Fig. 3 is the man-machine interface of a present invention synoptic diagram;
Fig. 4 is a cam portion crankshaft angles program flow diagram of the present invention.
Embodiment
Further specify the present invention in conjunction with the accompanying drawings and embodiments, as shown in Figure 1, the present invention includes the PLC controller of press and configuration thereof, secondary parking detector switch in transmission shaft top connects the PLC controller, connect the individual pen absolute encoder that is provided with on the described press cam drive axle, the punching press body of the shell of individual pen absolute encoder and cam drive next to axis is flexible to be connected admittedly, the individual pen absolute encoder links to each other with the PLC controller by the RS422 serial bus, and the touch display screen of setting links to each other with the PLC controller by RS232C.
As shown in Figure 2, system also comprises cam portion and mold database two parts software, the The data E of record cam parameter
2The PROM storage is not lost to guarantee the data power down yet, adopts static allocation, to guarantee that cam parameter and mould storehouse cam parameter are to E
2The reasonable utilization of PROM.
Cam portion will be from the next data of individual pen absolute encoder collection by PLC, and angle according to actual needs compares, as in the scope of required angle, and side output high level.And the difference that the data side of preserving in the mold database is numbered according to mould deposits or takes out corresponding cam parameter in, comes to compare from the data that the collection of individual pen absolute encoder comes with PLC, to export needed angle.
One of cam the inside most important function, the upper dead center automatic stopping can change drag angle, program flow diagram such as Fig. 4 automatically along with the variation of motor speed.The parameter of data distributes side to adopt data equation static allocation at E in the mould storehouse
2In the PROM, concrete equation is: D (n)=@ (D0*n+x).Wherein D (n) is the data storage areas of n group mould correspondence in n (0＜n＜100) the group mould, and x is the data storage areas of concrete parameter name correspondence in the n group mould, and its order is according to 1), 2 groups of special-purpose output cams able to programme of self-feeding; 2), 2 groups of special-purpose output cams able to programme of cutting; 3), 2 groups of robotization source of the gas output cams able to programme; 4), the special-purpose output cams able to programme of 2 groups of tonnage meters, series arrangement.
Cam portion comprises with the lower part:
1), crankshaft angles, bottom dead centre is proofreaied and correct;
2), forward, reverse upper dead center automatic stopping;
3), clutch coupling 90 degree drag angles detect;
4), secondary stop-working protection
5), 32 groups of angle outputs able to programme
6), the highest minimum speed limit of machine tool travel number of times;
7), clutch operating counting;
8), output input and output safety detection;
9), the special-purpose output cam able to programme of self-feeding;
10), 6 groups of special-purpose output cams able to programme of cutting;
11), the special-purpose output cam able to programme of robotization source of the gas;
12), the special-purpose output cam able to programme of tonnage meter;
13), the special-purpose output cam able to programme of photoelectricity;
Mold database comprises with the lower part: every group of mould is to 8 groups of dedicated cam, and maximum is supported 99 groups of moulds.
1), 2 groups of special-purpose output cams able to programme of self-feeding;
2), 2 groups of special-purpose output cams able to programme of cutting;
3), 2 groups of robotization source of the gas output cams able to programme;
4), 2 groups of special-purpose output cams able to programme of tonnage meter.
Claims (3)
1, a kind of camming with mold database, the PLC controller that comprises press and configuration thereof, secondary parking detector switch in cam drive axle top connects the PLC controller, it is characterized in that: connect the individual pen absolute encoder that is provided with on the described press cam drive axle, the punching press body of the shell of individual pen absolute encoder and cam drive next to axis is flexible to be connected admittedly, the individual pen absolute encoder links to each other with the PLC controller by the RS422 serial bus, and the touch display screen of setting links to each other with the PLC controller by RS232C; System software comprises cam portion and mold database two parts, the The data E of record cam parameter
2The PROM storage is not lost to guarantee the data power down yet, the employing static equation distributes, concrete equation is: D (n)=@ (D0*n+x), wherein D (n) is the data storage areas of n group mould correspondence in n (0＜n＜100) the group mould, and x is the data storage areas of concrete parameter name correspondence in the n group mould; D0 is the data storage areas of the single mold correspondence in mould storehouse, and n is a n group mould, and D0*n represents the first address of the data storage areas of n group mould correspondence, to guarantee that cam parameter and 99 groups of mould storehouse cam parameters are to E
2The reasonable utilization of PROM.
2, the camming of band mold database according to claim 1 is characterized in that: described cam portion software comprises crankshaft angles, and bottom dead centre is proofreaied and correct; Forward, reverse upper dead center automatic stopping; Clutch coupling 90 degree drag angles detect; The secondary stop-working protection; 32 groups of angle outputs able to programme; The highest minimum speed limit of machine tool travel number of times; The clutch operating counting; Crucial input and output safety detection; The special-purpose output cam able to programme of self-feeding; 6 groups of special-purpose output cams able to programme of cutting; The special-purpose output cam able to programme of robotization source of the gas; The special-purpose output cam able to programme of tonnage meter; The special-purpose output cam able to programme of photoelectricity.
3, the camming of band mold database according to claim 1, it is characterized in that: every group of mould is to 8 groups of dedicated cam in the described mold database, 99 groups of moulds of maximum support, mold database software comprise the special-purpose output cams able to programme of 2 groups of self-feedings; 2 groups of special-purpose output cams able to programme of cutting; 2 groups of robotization source of the gas output cams able to programme; 2 groups of special-purpose output cams able to programme of tonnage meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710191368A CN100578405C (en) | 2007-12-17 | 2007-12-17 | Cam system with mold database |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710191368A CN100578405C (en) | 2007-12-17 | 2007-12-17 | Cam system with mold database |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101201610A CN101201610A (en) | 2008-06-18 |
| CN100578405C true CN100578405C (en) | 2010-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710191368A Active CN100578405C (en) | 2007-12-17 | 2007-12-17 | Cam system with mold database |
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| CN (1) | CN100578405C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102407611A (en) * | 2011-10-09 | 2012-04-11 | 河北汉智数控机械有限公司 | Control structure of frequency conversion type numerical control punch |
| WO2014054077A1 (en) * | 2012-10-05 | 2014-04-10 | 三菱電機株式会社 | Display device |
| CN103076798A (en) * | 2012-12-28 | 2013-05-01 | 无锡市拓发自控设备有限公司 | Detection method of cam controller |
| CN105159332A (en) * | 2015-09-25 | 2015-12-16 | 江苏省锡山中等专业学校 | Electronic cam limiter |
| CN105798097B (en) * | 2016-06-12 | 2017-11-07 | 朱德仲 | A kind of punch press of infrared alarm |
| EP3466662B1 (en) * | 2017-10-09 | 2020-02-26 | Sick Ag | Secure control device and method for adjusting the stroke length of an eccentric press |
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2007
- 2007-12-17 CN CN200710191368A patent/CN100578405C/en active Active
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| Publication number | Publication date |
|---|---|
| CN101201610A (en) | 2008-06-18 |
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Address after: Yang Road, Yangzhou hi tech Industrial Development Zone, Hanjiang District, Jiangsu city of Yangzhou Province, No. 99 225009 Patentee after: JIANGSU YANGLI GROUP CO., LTD. Address before: 225127 No. 99 middle Yangtze Road, Yangzhou Development Zone, Jiangsu, China Patentee before: Jiangsu Yangli Group Co., Ltd. |