CN101913288B - Method for controlling anti-collision vehicle of flat screen printing machine - Google Patents
Method for controlling anti-collision vehicle of flat screen printing machine Download PDFInfo
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- CN101913288B CN101913288B CN2010102232857A CN201010223285A CN101913288B CN 101913288 B CN101913288 B CN 101913288B CN 2010102232857 A CN2010102232857 A CN 2010102232857A CN 201010223285 A CN201010223285 A CN 201010223285A CN 101913288 B CN101913288 B CN 101913288B
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- dolly
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Abstract
The invention provides a method for controlling an anti-collision vehicle of a flat screen printing machine. The method is characterized by comprising the following steps of: arranging a trolley zero position switch at the zero position of each printing unit trolley of the flat screen printing machine, starting a reciprocating servo motor on each printing unit trolley, stopping the reciprocating servo motor and sending a zero searching success signal to a PLC when the printing unit trolley collides an own trolley zero position switch to make the printing unit trolley find an own reference zero point and standby, calculating the distance between two adjacent printing unit trolleys when the printing unit trolleys are manually moved by an operator, and judging whether to lock the moved printing unit trolleys or not according to the distance. The invention has the advantage of providing a method for preventing the printing unit trolleys from being collided and the method can effectively prevent the collision and reduce the probability of mechanical damage.
Description
Technical field
The present invention relates to a kind of control method of flat screen printing machine printing cell dolly.
Background technology
Back and forth servomotor is contained on the printing cell dolly, the printing cell dolly then is contained in the flat screen printing machine the inside, the operative employee can't see the printing cell dolly under the normal condition, cannot do the mark of printing cell trolley travelling on the stamp web plate again, there is intersection two adjacent printing cell dolly workspaces, in to the flower process and manually during single seal, the operative employee accidentally just collides in operation, knocks safety switch and reports to the police.At present the system of equipment handles like this: respectively adorn a safety switch and occur with the phenomenon that prevents to collide before and after each printing cell workspace, sometimes safety switch also can be bad, for a long time will cause serious damage to machinery in the past, also bring suitable difficulty to plant maintenance, stopped production at least one day, stop production at most a week, the service efficiency of equipment greatly reduces.
Summary of the invention
The purpose of this invention is to provide a kind of method that prevents that the printing cell dolly from bumping against.
In order to achieve the above object, technical scheme of the present invention has provided a kind of method for controlling anti-collision vehicle of flat screen printing machine, it is characterized in that, step is:
Step 1, a dolly dead-center position switch is set at the dead-center position place of each printing cell dolly of flat screen printing machine, the reciprocal servomotor of all dolly dead-center position switches and each printing cell dolly is connected control module, each dolly dead-center position switch is set in control module with respect to distance, the safe distance of adjacent printing cell dolly and the stamp stroke of printing cell dolly of main frame between zero point;
Step 4, calculate the distance D between i platform printing cell dolly and the i+1 platform printing cell dolly
i, D
i=(L
i+ L
1i)-(L
I+1+ L
1 (i+1));
Step 5, the i platform printing cell dolly of setting according to step 1 and the safe distance D between the i+1 platform printing cell dolly
1i, if D
i＞D
1i, then manual operation i platform printing cell dolly and i+1 platform printing cell dolly move in opposite directions and allow, if D
i≤ D
1i, then manual operation i platform printing cell dolly and i+1 platform printing cell dolly move in opposite directions and will be blocked by PLC.
Advantage of the present invention is: a kind of method that prevents that the printing cell dolly from bumping against is provided, and this method can prevent effectively that the printing cell dolly from bumping against, and reduces the probability of mechanical failure.
Description of drawings
Fig. 1 is the flat screen printing machine schematic diagram.
The specific embodiment
Specify the present invention below in conjunction with embodiment.
Embodiment
As shown in Figure 1, be flat screen printing machine commonly used, comprise driven voller 1, driven voller servomotor 2, driven voller servomotor speed feedback encoder 3, stamp belt 4, reciprocal servomotor 5 (totally 10 each printing cell dolly 1), electrical control cabinet 6, printing cell dolly 7, washing motor 8, stamp bar magnet 9, stamp web plate 10, main frame dead-center position 12, lift frame servomotor dead-center position 13 () on one side for 2, lift frame servomotor 14 () on one side for 2, positive location servomotor speed feedback encoder 15, positive location is watched motor 16, operator station 17, drive roll 18, pressure roller 19 and encoder 20.
A kind of method for controlling anti-collision vehicle of flat screen printing machine provided by the invention, step is:
Step 1, a dolly dead-center position switch 11 is set at the dead-center position place of each printing cell dolly 7 of flat screen printing machine, the reciprocal servomotor 5 of all dolly dead-center position switches 11 and each printing cell dolly 7 is connected control module, each dolly dead-center position switch 11 is set in control module with respect to the safe distance of the distance between the main frame 0. 12, adjacent printing cell dolly and the stamp stroke of printing cell dolly;
Step 4, calculate the distance D between i platform printing cell dolly 7 and the i+1 platform printing cell dolly 7
i, D
i=(L
i+ L
1i)-(L
I+1+ L
1 (i+1));
Step 5, the i platform printing cell dolly of setting according to step 17 and the safe distance D between the i+1 platform printing cell dolly 7
1i, if D
i＞D
1i, then manual operation i platform printing cell dolly 7 and i+1 platform printing cell dolly 7 move in opposite directions and allow, if D
i≤ D
1i, then manual operation i platform printing cell dolly 7 and i+1 platform printing cell dolly 7 move in opposite directions and will be blocked by PLC.
For instance, establishing No. 1 printing cell dolly is L with respect to the distance between the main frame dead-center position 12
1, No. 1 the printing cell dolly is L with respect to the distance between this unit dead-center position
11, No. 2 the printing cell dolly is L with respect to the distance between the main frame dead-center position 12
2, No. 2 the printing cell dolly is L with respect to the distance between this unit dead-center position
12, No. 3 the printing cell dolly is L with respect to the distance between the main frame dead-center position 12
3, No. 3 the printing cell dolly is L with respect to the distance between this unit dead-center position
13, the distance between No. 2 and No. 1 printing cell dolly is D
1, the distance between No. 3 and No. 2 printing cell dollies is D
2, the safe distance between No. 2 and No. 1 printing cell dolly is D
11, the safe distance between No. 3 and No. 2 printing cell dollies is D
12, D
1=(L
2+ L
12)-(L
1+ L
11), D2=(L
3+ L
13)-(L
2+ L
12), work as D
1Greater than D
11The time, No. 2, manual operation and No. 1 printing cell dolly move in opposite directions and allow, and work as D
1Equal less than D
11The time, No. 2, manual operation and No. 1 printing cell dolly move in opposite directions controlled unit are blocked, and send sound and light alarm, up to will be wherein one till oppositely moving away the place of safety, thereby guarantee never to bump against between the adjacent two printing cell dollies.
Control module comprises PLC, and PLC connects I/O input/output module, high speed counting module and touch-screen respectively.PLC selects Siemens central processing unit S7-315-2DP for use, and the touch-screen model is MP270.
Claims (3)
1. a method for controlling anti-collision vehicle of flat screen printing machine is characterized in that, step is:
Step 1, a dolly dead-center position switch (11) is set at the dead-center position place of each printing cell dolly (7) of flat screen printing machine, the reciprocal servomotor (5) of all dolly dead-center position switches (11) and each printing cell dolly (7) is connected control module, each dolly dead-center position switch (11) is set in control module with respect to the safe distance of the distance between main frame zero point (12), adjacent printing cell dolly and the stamp stroke of printing cell dolly;
Step 2, start the reciprocal servomotor (5) on each printing cell dolly (7), when printing cell dolly (7) is run into separately dolly dead-center position switch (11), back and forth servomotor (5) shuts down and stops issuing one and seeks the zero signal of finishing to PLC, and printing cell dolly (7) finds the reference zero of oneself and staying where one is, pending further orders;
Step 3, manually move i platform printing cell dolly (7) and during the i+1 platform printing cell dolly (7) that is adjacent, control module obtains respectively by the reciprocal servomotor (5) of i platform printing cell dolly (7) and i+1 platform printing cell dolly (7): i platform printing cell dolly (7) is with respect to the distance L of main frame zero point (12) as the operator
i, i platform printing cell dolly (7) is with respect to the distance L of the dolly dead-center position switch (11) of i platform printing cell dolly (7)
1i, i+1 platform printing cell dolly (7) is with respect to the distance L of main frame zero point (12)
I+1, i+1 platform printing cell dolly (7) is with respect to the distance L of the dolly dead-center position switch (11) of i+1 platform printing cell dolly (7)
1 (i+1)
Step 4, calculate the distance D between i platform printing cell dolly (7) and the i+1 platform printing cell dolly (7)
i, D
i=(L
i+ L
1i)-(L
I+1+ L
1 (i+1));
Step 5, the i platform printing cell dolly of setting according to step 1 (7) and the safe distance D between the i+1 platform printing cell dolly (7)
1i, if D
i＞D
1i, then manual operation i platform printing cell dolly (7) moves in opposite directions with i+1 platform printing cell dolly (7) and allows, if D
i≤ D
1i, then manual operation i platform printing cell dolly (7) moves in opposite directions and will be blocked by PLC with i+1 platform printing cell dolly (7).
2. a kind of method for controlling anti-collision vehicle of flat screen printing machine as claimed in claim 1 is characterized in that PLC connects I/O input/output module, high speed counting module and input module respectively.
3. a kind of method for controlling anti-collision vehicle of flat screen printing machine as claimed in claim 2 is characterized in that, described input module is a touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102232857A CN101913288B (en) | 2010-07-09 | 2010-07-09 | Method for controlling anti-collision vehicle of flat screen printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102232857A CN101913288B (en) | 2010-07-09 | 2010-07-09 | Method for controlling anti-collision vehicle of flat screen printing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101913288A CN101913288A (en) | 2010-12-15 |
| CN101913288B true CN101913288B (en) | 2011-10-26 |
Family
ID=43321000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102232857A Active CN101913288B (en) | 2010-07-09 | 2010-07-09 | Method for controlling anti-collision vehicle of flat screen printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101913288B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564347Y (en) * | 2002-07-30 | 2003-08-06 | 蓝进旺 | Forced positioner for printer table top |
| CN2743133Y (en) * | 2004-02-24 | 2005-11-30 | 郑州纺织机械股份有限公司 | Printing unit automatic control device possessing liquid crystal contact screen monitor |
| CN201342830Y (en) * | 2008-12-05 | 2009-11-11 | 李新证 | Intelligent table printing machine |
-
2010
- 2010-07-09 CN CN2010102232857A patent/CN101913288B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2564347Y (en) * | 2002-07-30 | 2003-08-06 | 蓝进旺 | Forced positioner for printer table top |
| CN2743133Y (en) * | 2004-02-24 | 2005-11-30 | 郑州纺织机械股份有限公司 | Printing unit automatic control device possessing liquid crystal contact screen monitor |
| CN201342830Y (en) * | 2008-12-05 | 2009-11-11 | 李新证 | Intelligent table printing machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101913288A (en) | 2010-12-15 |
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