CN216733520U - Special water-oil circulation system for printing machine - Google Patents
Special water-oil circulation system for printing machine Download PDFInfo
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- CN216733520U CN216733520U CN202122815296.0U CN202122815296U CN216733520U CN 216733520 U CN216733520 U CN 216733520U CN 202122815296 U CN202122815296 U CN 202122815296U CN 216733520 U CN216733520 U CN 216733520U
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Abstract
The utility model relates to a special water-oil circulation system for a printing machine, which comprises an oil pumping diaphragm pump for supplying oil to the printing machine, an oil return diaphragm pump for pumping oil from the printing machine, an electromagnetic valve I for controlling air pressure output and a PLC (programmable logic controller) logic control unit, wherein the oil pumping diaphragm pump and the oil return diaphragm pump are connected with an air source through an air pipe, the electromagnetic valve II for controlling air pressure output is also arranged between the oil pumping diaphragm pump and the air source, and the PLC logic control unit controls the electromagnetic valve I and the electromagnetic valve II through electric signals. The complete machine does not have mechanical transmission, adopts the air supply to be the power supply, and simple structure is practical, and the fault rate is low, manufacturing and maintenance cost are low, and according to diaphragm pump theory of operation, after consumptive material diaphragm damaged, the water oil of extraction can not revealed, consequently, can not cause the waste of printing auxiliary raw and auxiliary material and the increase of solid useless processing cost yet, diaphragm pump structural design has reached the same purpose of use, and the function is stronger, and the performance is more stable.
Description
Technical Field
The utility model relates to the technical field of water-oil auxiliary equipment of a printing machine, in particular to a special electronic water-oil circulating system for the printing machine.
Background
The existing water-oil circulation system of the printing machine drives a cam to operate for a motor, the cam pushes an ejector rod to do left-right reciprocating motion, the other end of the ejector rod is connected with a sucker, when the ejector rod does reciprocating motion, the sucker does box opening motion to generate suction, so that water and oil used in the printing process are pumped into a water-oil tank of the printing machine from a water-oil packaging barrel to be used, and redundant water and oil are pumped back into the water-oil packaging barrel from the water-oil tank of the printing machine; for example, Heidelberg printing machine produced by Germany is imported equipment, spare and accessory parts and a whole set of water-oil circulation system are expensive, along with the increase of service life, the maintenance and replacement cost is too high, the sucking disc belongs to consumables, the price is high, and after the sucking disc is damaged, the water-oil leakage is serious, a large amount of solid wastes are generated, the solid waste disposal cost and the original auxiliary material cost of an enterprise are increased, how to reduce the enterprise cost is realized, the cost is not limited by people in the technology any more, the low-cost, simple and replaceable water-oil circulation system special for the printing machine is provided, and the problem which is attempted to be solved in the printing industry is always solved.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model provides a special water-oil circulation system for a printing machine, which adopts electronic control combined with an electromagnetic valve and a diaphragm pump to replace the traditional mechanical water-oil circulation equipment.
The electronic water-oil circulation system special for the printing machine comprises an oil pumping diaphragm pump for supplying oil to the printing machine, an oil return diaphragm pump for pumping oil from the printing machine, an electromagnetic valve I for controlling air pressure output, and a PLC logic control unit, wherein the oil pumping diaphragm pump and the oil return diaphragm pump are connected with an air source through an air pipe, the electromagnetic valve I for controlling air pressure output is also arranged between the oil pumping diaphragm pump and the air source, the electromagnetic valve II for controlling air pressure output is also arranged between the oil return diaphragm pump and the air source, and the PLC logic control unit controls the electromagnetic valve I and the electromagnetic valve II through electric signals.
Further, it is preferable that the printer further comprises a high level detector and a low level detector for detecting a liquid level of a printing press sump of the printing press.
Further, it is preferable that the PLC control system further comprises an operation handle connected with the PLC logic control unit and used for inputting an operation signal.
Further, preferably, the device further comprises a signal amplification conversion isolation module which is used for converting electric signals of the electromagnetic valve I, the electromagnetic valve II, the high-level detector and the low-level detector into standard signals and is connected with the PLC logic control unit.
Further, preferably, the device further comprises a nixie tube display screen connected with the PLC logic control unit and used for displaying the working speed of the diaphragm pump.
Further, preferably, the device also comprises an alarm which is connected with the PLC logic control unit through a signal amplification conversion isolation module.
Further, preferably, still include three pneumatics original copies, be provided with three pneumatics original copies between solenoid valve I and solenoid valve II and the air supply.
Further, preferably, the oil-pumping diaphragm pump further comprises a bracket for mounting the oil-pumping diaphragm pump and the oil-return diaphragm pump.
Further, preferably, an electric cabinet for placing the PLC logic control unit is further disposed in the support.
Further, preferably, a pulley is mounted at the bottom of the bracket.
Further, it is preferable that the oil pumping diaphragm pump sends the oil in the oil-water packing barrel into the oil pumping unit from the oil inlet of the oil-water tank of the printing machine through the oil supply pipe.
Further, it is preferable that the oil return diaphragm pump draws the surplus water oil from the oil outlet of the printer water oil tank back into the water oil package barrel through an oil return pipe.
Further, it is preferable that the bracket is provided with a cover and a hinge door.
The utility model has the beneficial effects that: the complete machine does not have mechanical transmission, adopts the air supply as the power supply, and simple structure is practical, and the fault rate is low, makes and maintains with low costs, and according to diaphragm pump theory of operation, the consumptive material diaphragm damages the back, and the water oil of extraction can not reveal, consequently, can not cause the waste of printing auxiliary raw and auxiliary material and the increase of solid useless processing cost yet, and diaphragm pump structural design has reached the same purpose of use, and the function is stronger, and the performance is more stable.
Drawings
FIG. 1 is a front view of a water and oil circulation system for a printer according to the present invention, wherein a cover and a hinge door of a bracket are partially cut away to show a diaphragm pump installed therein;
FIG. 2 is a right side view of the water-oil circulation system for a printing press according to the present invention, with the housing and the electric cabinet removed;
FIG. 3 is a schematic view of a connection structure between a water and oil circulation system and a printing machine for a printing machine according to the present invention;
FIG. 4 is a gas path diagram of the oil pumping diaphragm pump and the return oil diaphragm pump of the water-oil circulation system for a printing machine according to the present invention;
FIG. 5 is a logic control flow chart of the water-oil circulation system dedicated to the printing press according to the present invention;
FIG. 6 is a first circuit diagram of the water-oil circulation system dedicated to a printing press according to the present invention;
FIG. 7 is a second circuit diagram of the water-oil circulation system for a printing machine according to the present invention;
FIG. 8 is a third circuit diagram of the water-oil circulation system dedicated to the printing press according to the present invention;
FIG. 9 is a fourth circuit diagram of the water-oil circulation system specially used for the printer.
FIG. 10 is a fifth circuit diagram of the water-oil circulation system specially used for the printer.
In the upper diagram: 1-bracket, 101-pump platform bracket, 102-electric cabinet, 103-pulley, 104-cover, 105-hinge door, 2-oil pumping diaphragm pump, 201-oil supply pipe, 3-oil return diaphragm pump, 301-oil return pipe, 401-solenoid valve I, 402-solenoid valve II, 5-pneumatic three elements, 6-air source, 7-PLC logic control unit, 801-nixie tube display screen, 802-signal amplification conversion isolation module, 9-operating handle, 10-high detector, 11-low detector, 12-alarm, 100-printing machine, 101-printing machine water-oil tank, and 200-water-oil tank.
Detailed Description
In order to make the technical problems and technical solutions solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and do not delimit the utility model.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Example (b):
as shown in fig. 1 to fig. 3, the electronic water-oil circulation system for a printing machine disclosed by the present invention is arranged independently from the outside of the printing machine, and includes an oil pumping diaphragm pump 2 for pumping oil from a water-oil packing barrel 200 to the printing machine 100 through an oil supply pipe 201, and an oil return diaphragm pump 3 for returning oil from the printing machine 100 to the water-oil packing barrel 200 through an oil return pipe 301, which are mounted on a steel mechanism frame body support 1 through a pump platform support 101, wherein the support 1 is provided with a cover 104 at the periphery and the top and bottom, and one side wall thereof is provided with a hinge door 105 capable of being opened and closed, an electric cabinet 102 mounted on a PLC logic control unit 7, and the bottom of the support 1 is mounted with a pulley 103 for facilitating rapid arrangement and movement of equipment.
As shown in fig. 4, the oil pumping diaphragm pump 2 and the oil return diaphragm pump 3 are connected with the air source 6 through an air pipe, an electromagnetic valve i 401 for controlling air pressure output is arranged between the oil pumping diaphragm pump 2 and the air source 6, an electromagnetic valve ii 402 for controlling air pressure output is also arranged between the oil return diaphragm pump 3 and the air source 6, the PLC logic control unit 7 controls the electromagnetic valve i 401 and the electromagnetic valve ii 402 through electric signals, the electromagnetic valve i 401 and the electromagnetic valve ii 402 are two-position five-way electromagnetic valves, the PLC logic control unit 7 controls the electromagnetic valve by outputting 24V pulse electric signals according to different instruction functions, the electromagnetic valve outputs pulse air pressure to control the bidirectional diaphragm pump to work to generate suction, and therefore oil supply and return oil return for water and oil extraction are achieved.
As shown in fig. 5, an operation handle 9 connected to the PLC logic control unit 7 for inputting an operation signal, where the operation handle 9 may be provided with functional instructions such as water-oil circulation (normal start-up), water-oil independent backflow (stop to change the type of water-oil or before cleaning), and cleaning (stop to clean the water-oil tank and the pipeline), the PLC performs program preset signal coding according to different functions, and the coding of the corresponding instruction signal coding is common knowledge and prior art means possessed by those skilled in the art.
As shown in fig. 4, pneumatic three elements 5 are further disposed between the solenoid valve i 401 and the solenoid valve ii 402 and the air source 6, and the pneumatic three elements 5 include a water-diversion air filter, a mechanical pressure regulating valve (with a pressure gauge), and an oil atomizer, which are common technical means in the pneumatic field.
As shown in fig. 6 to fig. 10, the device further includes a nixie tube display screen 801 connected to the PLC logic control unit 7 for displaying the operation speed of the diaphragm pump.
When electronic regulation is adopted, the preset value of a pulse output frequency program of the PLC logic control unit 7 is 0-9, the PLC logic control unit can be adjusted through the operating handle 9 according to actual needs, the digital tube display screen 801 can check the program, and the speed of the bidirectional diaphragm pump can be controlled by changing the pulse frequency to control the electromagnetic valve I401 and the electromagnetic valve II 402, so that the flow is controlled.
Of course, the present invention also presets a manual intervention means, that is, the flow rate can be controlled by manually adjusting the mechanical air pressure regulating valve (with a pressure gauge to check the air pressure) through the mechanical pressure regulating valve (with a pressure gauge) in the pneumatic three elements 5, and changing the air inlet pressure of the diaphragm pump.
The high-level detector 10 and the low-level detector 11 can track and detect the liquid level of the printer water-oil tank 101 of the printer 100 in real time, the high-level detector 10 is correspondingly arranged at the highest operation position of the printer water-oil tank 101, the low-level detector 11 is arranged at the lowest operation position of the printer water-oil tank 101, too low liquid level can cause insufficient water and oil of a printed product to generate printing waste products, too high liquid level can cause water and oil to overflow the water-oil tank and flow into the equipment to cause equipment failure, therefore, when the high-level detector 10 finds abnormality, a signal is immediately fed back to a display screen of a printer host to warn, an indicator lamp can be additionally arranged on the equipment to warn, and meanwhile, an alarm horn also responds to prompt personnel to perform shutdown inspection and startup processing, as shown in fig. 6, wherein L-B35a and L-B35 are the high-level detector 10 and the low-level detector 11.
The device also comprises a signal amplification, conversion and isolation module 802 used for converting the electromagnetic valve I401, the electromagnetic valve II 402, the high-level detector 10 and the low-level detector 11 into standard signals and connecting the standard signals with the PLC logic control unit 7, wherein the signal amplification, conversion and isolation module 802 is a standard signal commonly used in the electrical field and used for conditioning and isolating various signals of field instruments and meters and converting the signals into standard signals or special signals appointed by users, and the standard signals or the special signals can be accepted by computers, DCS, PLC and the like, so that when the signals are transmitted at two points of unequal potential, the interference of loop current is avoided, the accuracy of the signals is ensured, the signals are ensured not to be distorted, and the device is an existing technical device.
The alarm device 12 is connected with the PLC logic control unit 7 through a signal amplification, conversion and isolation module 802.
The problem of overseas Heidelberg printing machine water-oil circulation system maintenance and replacement cost are too high is solved to this practicality, and the cost has autonomic intellectual property right moreover than import complete set water-oil circulation system price greatly reduced, and diaphragm pump structural design has reached the same purpose of use, and the function is stronger, and the performance is more stable.
The present invention has been described in detail with reference to the specific and preferred embodiments, but it should be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and any modifications, equivalents and the like, which are within the spirit and principle of the present invention, should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a special water-oil circulation system of printing machine, its characterized in that includes oil pumping diaphragm pump (2) to printing machine (100) fuel feeding to and return oil diaphragm pump (3) from printing machine (100) oil pumping, oil pumping diaphragm pump (2) and return oil diaphragm pump (3) are connected with air supply (6) through the trachea, still be provided with control atmospheric pressure output's solenoid valve I (401) between oil pumping diaphragm pump (2) and air supply (6), be provided with control atmospheric pressure output's solenoid valve II (402) between return oil diaphragm pump (3) and air supply (6) equally, still include PLC logic control unit (7), PLC logic control unit (7) are through electric signal control solenoid valve I (401) and solenoid valve II (402).
2. The special water-oil circulation system for the printing machine as claimed in claim 1, wherein: the device also comprises a high-level detector (10) and a low-level detector (11) for detecting the liquid level of a printing machine water-oil groove (101) of the printing machine (100).
3. The special water-oil circulation system for the printing machine as claimed in claim 1, wherein: the PLC controller also comprises an operating handle (9) which is connected with the PLC logic control unit (7) and is used for inputting an operating signal.
4. A special water-oil circulation system for a printing press according to any one of claims 1 to 3, wherein: the device also comprises a signal amplification conversion isolation module (802) which is used for converting the electromagnetic valve I (401), the electromagnetic valve II (402), the high-order detector (10) and the low-order detector (11) into standard signals and is connected with the PLC logic control unit (7).
5. A special water-oil circulation system for a printing press according to any one of claims 1 to 3, wherein: the digital tube display screen (801) is connected with the PLC logic control unit (7) and used for displaying the working speed of the diaphragm pump.
6. The special water-oil circulation system for the printing machine as claimed in claim 4, wherein: the alarm device is characterized by further comprising an alarm device (12), wherein the alarm device (12) is connected with the PLC logic control unit (7) through a signal amplification conversion isolation module (802).
7. The special water-oil circulation system for the printing machine as claimed in claim 1, wherein: the pneumatic three-element electromagnetic valve is characterized by further comprising three pneumatic elements (5), wherein the three pneumatic elements (5) are arranged between the solenoid valve I (401), the solenoid valve II (402) and the air source (6).
8. The special water-oil circulation system for the printing machine as claimed in claim 1, wherein: the oil pumping device also comprises a bracket (1) for mounting the oil pumping diaphragm pump (2) and the oil return diaphragm pump (3).
9. The special water-oil circulation system for the printing machine as claimed in claim 8, wherein: an electric cabinet (102) for placing a PLC logic control unit (7) is further arranged in the support (1).
10. The special water-oil circulation system for the printing machine according to claim 8 or 9, wherein: and a pulley (103) is arranged at the bottom of the bracket (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815296.0U CN216733520U (en) | 2021-11-17 | 2021-11-17 | Special water-oil circulation system for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122815296.0U CN216733520U (en) | 2021-11-17 | 2021-11-17 | Special water-oil circulation system for printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216733520U true CN216733520U (en) | 2022-06-14 |
Family
ID=81929524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122815296.0U Active CN216733520U (en) | 2021-11-17 | 2021-11-17 | Special water-oil circulation system for printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216733520U (en) |
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2021
- 2021-11-17 CN CN202122815296.0U patent/CN216733520U/en active Active
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