CN205033710U - Pumping system of printing machine - Google Patents
Pumping system of printing machine Download PDFInfo
- Publication number
- CN205033710U CN205033710U CN201520653680.7U CN201520653680U CN205033710U CN 205033710 U CN205033710 U CN 205033710U CN 201520653680 U CN201520653680 U CN 201520653680U CN 205033710 U CN205033710 U CN 205033710U
- Authority
- CN
- China
- Prior art keywords
- gas
- water tank
- water separation
- vavuum pump
- vacuum pump
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides a pumping system of printing machine, including the gas holder, the gas - water separation water tank, vacuum pump mechanism and electrically controlled device, be equipped with an overflow mouth on the lateral wall of gas - water separation water tank, the top is equipped with a moisturizing pipe, still be equipped with a liquid -level sensor in the gas - water separation water tank, vacuum pump mechanism includes first vacuum pump and second vacuum pump, electrically controlled device includes power and PLC controller, the gas holder, first vacuum pump and gas - water separation water tank loop through the pipe connection, liquid -level sensor, vacuum pump mechanism is passing signal line and the hookup of PLC controller respectively. The utility model discloses still be equipped with heat abstractor, the utility model discloses an automatic adding water is realized to liquid -level sensor monitoring gas - water separation water tank water level to can adopt the heat dissipation of cooling water interchanger to reduce the temperature, reduce the cavitation erosion of vacuum pump blade, adopt the PLC controller, realize that one division one 2 pump of atmospheric pressure automatic setting is equipped with control, thereby effective the reduction maintained cost reduction and induced draft the fault rate effectively.
Description
Technical field
The utility model relates to packaging facilities field, particularly a kind of pumping system of printing machine.
Background technology
A lot of air draught pumps of printing machine adopt vane pump, utilize the air suction function of pump, in printing process, carry out absorption to printed matter fix, printed matter is avoided to move in printing process, to guarantee the quality of printed matter, the blade of vane pump is graphite flake, for fragile material, graphite flake is easy to wear in process of production, when the blade after wearing and tearing is on vane pump, during lower sealed region, the slit flow that fluid in vane pump in zone of positive pressure produces by wearing and tearing is to vane pump negative pressuren zone, internal leakage increases, cause not fuel feeding or confession shortage of oil, fuel charger complete machine noise is also made to increase, thus make fault rate high, solution changes blade, cause machine productivity low, also improve maintenance cost.
Utility model content
The purpose of this utility model is the pumping system for printing machine providing a kind of effective reduction maintenance cost reduction and air draught fault rate.
To achieve these goals, the utility model have employed following technical scheme:
A kind of pumping system of printing machine, comprise air accumulator, gas-water separation water tank, vacuum pumping mechanism and electric control gear, the top of described air accumulator is provided with vacuum meter, bottom is provided with the pipeline of band blowoff valve, the sidewall of described gas-water separation water tank is provided with an overfall, top is provided with a filling pipe, a level sensor is also provided with in described gas-water separation water tank, described vacuum pumping mechanism comprises the first vavuum pump and the first check valve and the first magnetic valve, described electric control gear comprises power supply and PLC, described air accumulator, described first vavuum pump and described gas-water separation water tank are connected by pipeline successively, described first vavuum pump and the tank connected pipeline of described gas storage are provided with the first check valve and the first magnetic valve, level sensor, described first check valve and the first magnetic valve connect with described PLC respectively by holding wire.
As the preferred technical scheme of one, described vacuum pumping mechanism also comprises the second vavuum pump and the second check valve and the second magnetic valve, described second vavuum pump is connected with described air accumulator and described gas-water separation water tank respectively by pipeline, described second vavuum pump and the tank connected pipeline of described gas storage are provided with the second check valve and the second magnetic valve, and described second check valve and the second magnetic valve connect with described PLC respectively by holding wire.
Further, the utility model is also provided with heat abstractor, described heat abstractor comprises heat exchanger, and described heat exchanger is connected with described first vavuum pump and the second vavuum pump respectively by the water pipe of band valve, and described heat exchanger is connected with described gas-water separation water tank by pipeline.
Further, the level height of described level sensor is lower than the level height of described overfall.
The utility model adopts level sensor monitoring gas-water separation cistern water level, realize automatic watering, and cooling water interchanger can be adopted to dispel the heat and to reduce water temperature, reduce and vacuum pump vanes is cavitated, adopt PLC, realize air pressure automatically to set 2 pumps one and open one and standby to control, thus effectively effectively reduce maintenance cost and reduce and air draught fault rate.
Accompanying drawing explanation
Fig. 1 is structure chart of the present utility model.
Detailed description of the invention
The utility model is described in detail referring now to accompanying drawing.
With reference to accompanying drawing 1, a kind of pumping system of printing machine, comprise air accumulator 1, gas-water separation water tank 2, vacuum pumping mechanism and electric control gear 3, the top of air accumulator 1 is provided with vacuum meter 11, and bottom is provided with the pipeline of band blowoff valve 12, and the sidewall of gas-water separation water tank 2 is provided with an overfall 21, top is provided with a filling pipe 22, also be provided with a level sensor 23 in gas-water separation water tank, wherein, the level height of level sensor 23 is lower than the level height of overfall 21.Vacuum pumping mechanism comprises the first vavuum pump 41, first check valve 42, first magnetic valve 43, second vavuum pump 44, second check valve 45 and the second magnetic valve 46, described electric control gear 3 comprises power supply and PLC, first vavuum pump 41 and the second vavuum pump 44 are equipped with pipeline and are connected with air accumulator 1 and gas-water separation water tank 2 respectively, the pipeline that first vavuum pump 41 is connected with air accumulator 1 is provided with the first check valve 42 and the first magnetic valve 43, the pipeline that second vavuum pump 44 is connected with air accumulator 1 is provided with the second check valve 45 and the second magnetic valve 46, two the first vavuum pump 41 and the second vavuum pumps 44 in parallel, air pressure can be realized automatically set 2 pumps one and open one and standby to control, even if there is a vavuum pump to break down, also can realize not stopping work.
Level sensor 23, first check valve 42, first magnetic valve 43, second check valve 45 and the second magnetic valve 46 connect with PLC respectively by holding wire, liquid level signal is fed back to PLC by level sensor 23, and by the working condition of the whole vacuum pumping mechanism of PLC whole-process control and gas-water separation water tank 2 the need of make-up water.
In order to reduce, vacuum pump vanes is cavitated, the utility model is also provided with heat abstractor, heat abstractor comprises heat exchanger 5, heat exchanger 5 is connected with described first vavuum pump 41 and the second vavuum pump 44 respectively by the water pipe of band valve 51, heat exchanger 5 is connected with gas-water separation water tank 2 by pipeline, recycling by water, decreases the fever phenomenon of vavuum pump, also utilizes the water in gas-water separation water tank 2 simultaneously farthest.
Above the utility model embodiment, does not form the restriction to the utility model protection domain.Any do within spirit of the present utility model and principle amendment, equivalent to replace and improvement etc., all should be included within claims of the present utility model.
Claims (4)
1. the pumping system of a printing machine, comprise air accumulator, gas-water separation water tank, vacuum pumping mechanism and electric control gear, the top of described air accumulator is provided with vacuum meter, bottom is provided with the pipeline of band blowoff valve, the sidewall of described gas-water separation water tank is provided with an overfall, top is provided with a filling pipe, it is characterized in that, a level sensor is also provided with in described gas-water separation water tank, described vacuum pumping mechanism comprises the first vavuum pump and the first check valve and the first magnetic valve, described electric control gear comprises power supply and PLC, described air accumulator, described first vavuum pump and described gas-water separation water tank are connected by pipeline successively, described first vavuum pump and the tank connected pipeline of described gas storage are provided with the first check valve and the first magnetic valve, level sensor, described first check valve and the first magnetic valve connect with described PLC respectively by holding wire.
2. the pumping system of a kind of printing machine according to claim 1, it is characterized in that, described vacuum pumping mechanism also comprises the second vavuum pump and the second check valve and the second magnetic valve, described second vavuum pump is connected with described air accumulator and described gas-water separation water tank respectively by pipeline, described second vavuum pump and the tank connected pipeline of described gas storage are provided with the second check valve and the second magnetic valve, and described second check valve and the second magnetic valve connect with described PLC respectively by holding wire.
3. the pumping system of a kind of printing machine according to claim 2, it is characterized in that, also be provided with heat abstractor, described heat abstractor comprises heat exchanger, described heat exchanger is connected with described first vavuum pump and the second vavuum pump respectively by the water pipe of band valve, and described heat exchanger is connected with described gas-water separation water tank by pipeline.
4. the pumping system of a kind of printing machine according to claim 3, is characterized in that, the level height of described level sensor is lower than the level height of described overfall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653680.7U CN205033710U (en) | 2015-08-27 | 2015-08-27 | Pumping system of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520653680.7U CN205033710U (en) | 2015-08-27 | 2015-08-27 | Pumping system of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205033710U true CN205033710U (en) | 2016-02-17 |
Family
ID=55292636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520653680.7U Expired - Fee Related CN205033710U (en) | 2015-08-27 | 2015-08-27 | Pumping system of printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205033710U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252897A (en) * | 2018-01-29 | 2018-07-06 | 山东临沂新华印刷物流集团有限责任公司 | Water circulating vacuum sucking pump apparatus and system |
| CN110159581A (en) * | 2019-05-29 | 2019-08-23 | 菏泽三垒塑业股份有限公司 | A kind of vacuum sizing negative pressure control apparatus and method |
-
2015
- 2015-08-27 CN CN201520653680.7U patent/CN205033710U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108252897A (en) * | 2018-01-29 | 2018-07-06 | 山东临沂新华印刷物流集团有限责任公司 | Water circulating vacuum sucking pump apparatus and system |
| CN110159581A (en) * | 2019-05-29 | 2019-08-23 | 菏泽三垒塑业股份有限公司 | A kind of vacuum sizing negative pressure control apparatus and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20200827 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |