CN201998525U - Paper roll tension automatically controlling system for newspaper printer - Google Patents
Paper roll tension automatically controlling system for newspaper printer Download PDFInfo
- Publication number
- CN201998525U CN201998525U CN2010206629512U CN201020662951U CN201998525U CN 201998525 U CN201998525 U CN 201998525U CN 2010206629512 U CN2010206629512 U CN 2010206629512U CN 201020662951 U CN201020662951 U CN 201020662951U CN 201998525 U CN201998525 U CN 201998525U
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- paper roll
- tension
- infrared ray
- controller
- intelligent programmable
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- Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
Abstract
The utility model discloses a paper roll tension automatically controlling system for a newspaper printer. The system comprises an infrared ray meter which is arranged above printed paper sheets and is used for transmitting and receiving a pulse signal, wherein the transmitting end and the receiving end of the infrared ray meter are respectively connected with an intelligent programmable controller; the intelligent programmable controller is also connected with a tension controller; the tension controller is connected with an electro-pneumatic converter; the electro-pneumatic converter is connected with a pneumatic brake; and the pneumatic brake is arranged on the shaft of a raw paper roll. In the system, the intelligent programmable controller is adopted to control the infrared ray meter to continuously transmit and receive the pulse signal; the distance which two adjacent signals pass through is calculated according to the time required when the transmitted adjacent signals are received by the infrared ray meter; the electro-pneumatic converter outputs air with corresponding output pressure to the pneumatic brake; and the pneumatic brake controls the tension of the raw paper roll in time, so that the tension of the raw paper roll is kept unchanged while the radius of the raw paper roll is reduced.
Description
Technical field
The utility model belongs to the printing equipment technical field, is specifically related to a kind of paper roll tension automatic control system of newspaper printing press.
Background technology
The rotation of body paper paper roll is the process of a blowing in the newspaper printing press, it is a process of following the printing cylinder passive rotation of newspaper printing press, the speed of service of paper roll and newspaper printing press drive division velocity correlation connection, can occur suddenly quickening or slowing down, speed fluctuation is very big, therefore needs the tension force control of paper roll to have highly stable reliability, sensitivity.In the process of newspaper printing press printing, keeping suitable, the constant tension force of body paper paper roll is the key factor that guarantees printing quality.The method of general newspaper printing press control paper roll tension force size adopts mechanical system.The operator changes the degree of tightness of manually adjusting the mechanical hatching gate brake stage by stage according to the coil diameter of body paper paper roll, thereby keeps certain force of strain control.Mechanical system is simple in structure, with low cost, operation adjustment, easy to maintenance; But tension force control is unstable and insensitive, and control accuracy is not high enough.Particularly the speed of producing at newspaper printing press is more and more faster, under the also more and more higher situation of the requirement of paper roll tension force, can't satisfy the requirement of printing.
Therefore,, reduce production costs, must change this mode of adjusting the paper roll degree of tightness with the mechanical hatching gate brake in order to enhance productivity.
Summary of the invention
The purpose of this utility model provides a kind of paper roll tension automatic control system of newspaper printing press, solve existing paper roll tension force control and adopted the artificial degree of tightness of adjusting the mechanical hatching gate brake, the problem that tension force control is unstable, control is insensitive, control accuracy is not high.
The technical scheme that the utility model adopted is, a kind of paper roll tension automatic control system of newspaper printing press, comprise be arranged on printing sheets top be used to send infrared ray instrument with the received pulse signal, the end that sends of infrared ray instrument is connected with intelligent Programmable Logic Controller respectively with receiving terminal, intelligent Programmable Logic Controller also links to each other with tension controller, tension controller links to each other with electricity/idle running parallel operation, electricity/idle running parallel operation links to each other with the aerodynamic brake device, and the aerodynamic brake device is loaded on the axle of body paper paper roll.
The beneficial effects of the utility model are, adopt intelligent Controlled by Programmable Controller infrared ray instrument to send continuously and the received pulse signal, two adjacent times that signal is used of sending and receiving according to the infrared ray instrument, can calculate two adjacent distances that signal passes through, if the distance that the distance that the signal of back passes through is passed through greater than the signal of front, illustrate that then the paper roll radius diminishes, or paper is lax to some extent, paper roll tension force diminishes.This moment, intelligent Programmable Logic Controller output a control signal to tension controller, tension controller output correspondent voltage is to electricity/idle running parallel operation, the corresponding air of electricity/idle running parallel operation control output pressure size is given the aerodynamic brake device, the aerodynamic brake device is controlled the tension force of body paper paper roll in good time, thereby the tension force that guarantees the body paper paper roll remains unchanged along with reducing of body paper paper roll radius, it is simple in structure, and tension force control is stable, the control accuracy height.
Description of drawings
Fig. 1 is the structural representation of the paper roll tension automatic control system of the utility model newspaper printing press.
Among the figure, 1. infrared ray instrument, 2. intelligent Programmable Logic Controller, 3. tension controller, 4. electricity/idle running parallel operation, 5. aerodynamic brake device, 6. body paper paper roll.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is elaborated.
The structure of the paper roll tension automatic control system of the utility model newspaper printing press, as shown in Figure 1, comprise be arranged on printing sheets top be used to send infrared ray instrument 1 with the received pulse signal, the end that sends of infrared ray instrument 1 is connected with intelligent Programmable Logic Controller 2 respectively with receiving terminal, intelligent Programmable Logic Controller 2 also links to each other with tension controller 3, tension controller 3 links to each other with electricity/idle running parallel operation 4, electricity/idle running parallel operation 4 links to each other with aerodynamic brake device 5, and aerodynamic brake device 5 is loaded on the axle of body paper paper roll 6.
The course of work of the present utility model is as follows: intelligent Programmable Logic Controller 2 control infrared ray instrument 1 send pulse signal continuously, reflection through paper roll 6, infrared ray instrument 1 receives the pulse signal that returns, infrared ray instrument 1 is transported to intelligent Programmable Logic Controller 2 with the time of the signal that receives, intelligent Programmable Logic Controller 2 is according to two adjacent times that signal is used of sending and receiving, can calculate two adjacent distances that signal passes through, if the used time of two the adjacent signals that send and receive equates, the distance that two then adjacent signals pass through equates, then illustrate paper do not have relax, paper roll tension force does not diminish, and the paper roll radius does not diminish yet.If used time difference (the back signal deducts the front signal) of two adjacent signals that infrared ray instrument 1 sends and receives is greater than zero, the distance that distance that the signal of back passes through is passed through greater than the signal of front then is described, the paper roll radius diminishes, or paper is lax to some extent, and paper roll tension force diminishes.This moment, intelligent Programmable Logic Controller 2 output a control signal to tension controller 3, tension controller 3 output correspondent voltage to electricity/idle running parallel operation 4, the corresponding air of electricity/idle running parallel operation 4 control output pressure sizes is given aerodynamic brake device 5, and aerodynamic brake device 5 is the tension force of control body paper paper roll 6 in good time.Thereby the tension force that guarantees the body paper paper roll remains unchanged along with reducing of body paper paper roll radius size.
Claims (1)
1. the paper roll tension automatic control system of a newspaper printing press, it is characterized in that, comprise be arranged on printing sheets top be used to send infrared ray instrument (1) with the received pulse signal, the end that sends of infrared ray instrument (1) is connected with intelligent Programmable Logic Controller (2) respectively with receiving terminal, intelligent Programmable Logic Controller (2) also links to each other with tension controller (3), tension controller (3) links to each other with electricity/idle running parallel operation (4), electricity/idle running parallel operation (4) links to each other with aerodynamic brake device (5), and aerodynamic brake device (5) is loaded on the axle of body paper paper roll (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206629512U CN201998525U (en) | 2010-12-16 | 2010-12-16 | Paper roll tension automatically controlling system for newspaper printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206629512U CN201998525U (en) | 2010-12-16 | 2010-12-16 | Paper roll tension automatically controlling system for newspaper printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201998525U true CN201998525U (en) | 2011-10-05 |
Family
ID=44701295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206629512U Expired - Fee Related CN201998525U (en) | 2010-12-16 | 2010-12-16 | Paper roll tension automatically controlling system for newspaper printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201998525U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350926A (en) * | 2013-07-31 | 2013-10-16 | 华南农业大学 | Automatic unwinding and rewinding control system and method for flexible pipeline |
-
2010
- 2010-12-16 CN CN2010206629512U patent/CN201998525U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103350926A (en) * | 2013-07-31 | 2013-10-16 | 华南农业大学 | Automatic unwinding and rewinding control system and method for flexible pipeline |
| CN103350926B (en) * | 2013-07-31 | 2016-01-20 | 华南农业大学 | A kind of flexible duct automatic deploying and retracting control system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20111216 |