CN111845061A - Pipeline slurry supply system of printing machine - Google Patents
Pipeline slurry supply system of printing machine Download PDFInfo
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- CN111845061A CN111845061A CN202010833368.1A CN202010833368A CN111845061A CN 111845061 A CN111845061 A CN 111845061A CN 202010833368 A CN202010833368 A CN 202010833368A CN 111845061 A CN111845061 A CN 111845061A
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- paste
- printing machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F31/00—Inking arrangements or devices
- B41F31/02—Ducts, containers, supply or metering devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2231/00—Inking devices; Recovering printing ink
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Accessories For Mixers (AREA)
Abstract
The invention provides a pipeline slurry supply system of a printing machine, which comprises a slurry mixing mechanism, a color paste storage tank, the printing machine and a PLC (programmable logic controller). After color paste is blended by the paste blending mechanism, the color paste is conveyed to the corresponding color paste storage tanks for standby through the feeding mechanism, the color paste in the color paste storage tanks is automatically conveyed to the printing machine through the discharging mechanism according to the paste consumption of each color position by the system, the running speed and the paste consumption of the printing machine are automatically acquired by the PLC, the total paste blending amount of the color paste of each color position is calculated according to the real-time paste consumption and the stock of the storage tanks of each color paste, and the self-paste supplement is controlled by utilizing the weight of each hopper tank acquired in real time. The system adopts the modes of pulping → unified storage → pipeline conveying → automatic control of the machine station, so that the pipelining and the accuracy of the color paste supply in the printing production are realized, and the labor intensity of size mixing workers is greatly reduced. The aim of discharging no residual slurry is achieved, the chromaticity of the sewage is greatly reduced, the burden of sewage treatment is reduced, and the method has important significance for the development of the printing and dyeing industry.
Description
Technical Field
The invention belongs to the field of printing and dyeing equipment, and particularly relates to a pipelining slurry supply system of a printing machine.
Background
In general, a general printing enterprise uses a special color paste barrel to prepare color paste, and each barrel of color paste is directly sent to a specified printing machine for use after the color paste is prepared. And after printing production is finished, the color paste barrel is recovered, the residual color paste needs to be subjected to necessary treatment, if the color paste barrel can be repeatedly used, the color paste barrel is collected and then recycled, and otherwise, harmless treatment needs to be performed. The color paste barrel is rinsed afterwards for re-sizing.
A large amount of color paste is transported to the printing machine from the pulping system to designate color positions, and the processes of transporting back, recycling, cleaning a paste barrel and the like are carried out after production is finished, so that a large amount of manpower and material resources are consumed, and errors are easily caused. The problems of serious color paste waste, random dumping of residual color paste, poor process accuracy and the like exist due to poor management levels of color paste preparation, acceptance, consumption data statistics and the like, so that the printing consumption is high, and more importantly, the burden of sewage treatment is increased.
Disclosure of Invention
The invention provides a pipeline pulp supply system of a printing machine, which realizes accurate supply of color paste by adopting modes of centralized pulping, pipeline conveying and the like, aiming at the technical problems of large workload and color paste waste caused by manual treatment for preparing and applying the color paste in the printing production process.
In order to achieve the purpose, the invention adopts the technical scheme that:
a pipeline-type paste supply system of a printing machine comprises a paste mixing mechanism, a plurality of paste storage tanks, a plurality of printing machines and a PLC (programmable logic controller), wherein the paste mixing mechanism is connected with the paste storage tanks through pipelines and pneumatic diaphragm pumps, and liquid level meters are installed in the paste storage tanks; each printing position of the printing machine is provided with a hopper tank, a stacking meter for detecting the running speed is mounted on the printing machine, and the bottom of the hopper tank is provided with an electronic weighing device;
the color paste storage tank comprises a feeding pipe, a discharging pipe and a stirring device, the discharging pipe is connected to the hopper tank through a discharging mechanism, the discharging pipe is connected with a pneumatic diaphragm pump and a filter, and a pressure transmitter is arranged in the discharging pipe;
the pneumatic diaphragm pump, the discharging mechanism, the liquid level meter, the pressure transmitter, the code meter and the electronic weighing device are all electrically connected with the PLC; the PLC collects the running speed and the pulp consumption of the printing machine and the storage conditions of the various pulp storage tanks, calculates the real-time pulp consumption, and mixes the conveying capacity of the color paste storage tank and the hopper tank in real time.
Preferably, the discharging mechanism comprises a pipeline for connecting the filter and the hopper tank, and a three-way pneumatic ball valve and a manual ball valve are mounted on the pipeline.
Preferably, one port of the three-way pneumatic ball valve is connected with a water pipe.
Preferably, the level meter is an ultrasonic level detector.
Preferably, an alarm is installed on the storage tank, and the alarm is given when the liquid level is lower than a limit value.
Preferably, the color paste storage tank is made of polyethylene thermoplastic resin.
Preferably, the size mixing mechanism comprises a mother liquid preparation device and a paste preparation device which are respectively connected to a mother liquid tank and a paste tank through pipelines, and the mother liquid tank and the paste tank are connected to the stirring tank through pipelines and pumps.
Preferably, the inlet and the outlet of the pneumatic diaphragm pump are both provided with a manual ball valve.
Preferably, the color paste storage tanks are divided into 1000L and 500L.
Preferably, the pipeline is a stainless steel pipe.
Compared with the prior art, the invention has the advantages and positive effects that:
1. the printing machine pipelining pulp supply system is connected with the pulping structure, the color paste storage tank and the printing machine through pipelines, and the pump and the valve are controlled by the controller to realize automatic quantitative conveying, so that the labor intensity of pulp mixing workers is greatly reduced.
2. The printing machine is provided with the stacking meter to detect the printing speed, meanwhile, the hopper tank is provided with the weighing mechanism to detect the pulp consumption, the controller calculates the pulp consumption of the machine product under the unit of the printing machine through the printing amount returned by the stacking meter and the pulp supply weight fed back by the electronic weighing system, and calculates the accurate total pulp consumption through the printing amount and the pulp consumption of the production plan, so that the accurate pulp preparation is achieved, no pulp remains after the production is finished, and the purpose of reducing the waste of the pulp is achieved.
3. The color paste storage tank transmits the liquid level value to the controller in real time, and the pulp mixing mechanism can reasonably allocate pulp production tasks according to the consumption of a plurality of machines.
4. The system fundamentally solves the problem that the consumption of the color paste of the printing machine is difficult to effectively control, and solves a series of problems of excessive residual paste, random pouring and the like in the color paste management process. Through the accurate control of the printing paste, the aim of discharging no residual paste is achieved, the sewage chromaticity is greatly reduced, the sewage treatment burden is reduced, the environmental safety of enterprises is ensured, and the method has important significance for the development of the printing and dyeing industry.
Drawings
FIG. 1 is a schematic structural diagram of a piping slurry supply system of a printing machine according to the present invention;
FIG. 2 is a schematic view of a color paste storage tank of the piping color paste supply system of the printing machine of the present invention;
FIG. 3 is a schematic structural diagram of a printing machine of the piping slurry supply system of the printing machine of the present invention;
in the above figures: 1. a size mixing mechanism; 2. a color paste storage tank; 21. a tank body; 22. a feed pipe; 23. a stirring motor; 24. a discharge pipe; 25. a second pneumatic diaphragm pump; 26. a filter; 3. a printing machine; 31. a hopper tank; 32. printing screen mesh; 4. a discharging mechanism; 41. a pulp conveying pipe; 42. a three-way pneumatic ball valve; 43. a manual ball valve.
Detailed Description
For a better understanding of the present invention, reference is made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example (b):
generally, a common printing enterprise uses a special color paste barrel to prepare color paste, the color paste amount of each color position is controlled according to experience, and after the color paste preparation of each barrel is finished, the color paste is directly and manually conveyed to a specified printing machine for 3 machines by a cart to use. And after printing production is finished, the color paste barrel is recovered, the residual color paste needs to be subjected to necessary treatment, if the color paste barrel can be repeatedly used, the color paste barrel is collected and then recycled, and otherwise, harmless treatment needs to be performed. The color paste barrel needs to be washed so as to be used for preparing the paste again.
The above processes have several problems, one is that a large amount of color paste is transferred to 3 designated color positions of the printing machine from the pulping system, and the processes of transferring back, recycling, cleaning a paste barrel and the like are carried out after the production is finished, so that a large amount of manpower and material resources are consumed, and errors are easily caused; secondly, the color paste blending amount is not accurately controlled, and the allowance is left for avoiding the excessive paste waiting, so the treatment of residual paste and the cleaning of a paste barrel cause serious pollution and aggravate the sewage treatment load.
In view of the above problems, as shown in fig. 1, the embodiment provides a piping paste supply system for a printing machine, which includes a paste mixing mechanism 1, a plurality of paste storage tanks 2, a plurality of printing machines 3, and a PLC controller. After the blending of the common color paste is completed through the paste mixing mechanism 1, the common color paste is conveyed to the corresponding color paste storage tanks 2 through the feeding mechanism for standby use, each common color paste storage tank 2 is connected with each color position hopper tank 31 of each printing machine 3 through a conveying pipeline, the system automatically conveys the color paste in the color paste storage tanks 2 into the hopper tanks 31 of each color position through the discharging mechanism 4 according to the paste consumption of each color position, the printing machines 3 start printing, the PLC automatically acquires the running speed and the paste consumption of the printing machines 3, the total paste mixing amount is controlled by calculating the use amount of each color position color paste according to the real-time paste consumption and the stock of each color paste storage tank 2, and the paste is automatically supplemented by the weight control of each hopper tank 31 acquired in real time. The pipelining pulp supply system adopts the modes of pulping → unified storage → pipeline conveying → automatic control of a machine station, and the pipelining and the accuracy of the color paste supply in the printing production are realized.
The following will specifically describe the 4# printer 3 as an example.
The size mixing mechanism 1 is used for preparing color paste used for producing the printing machine 3 and can adopt manual, semi-automatic, automatic and other modes. This embodiment adopts automatic size mixing mechanism 1, and wherein the following equipment need be used to automatic one bucket mill base of transferring:
a mother liquor preparation device: preparing a dye into a dye solution with a certain concentration;
paste making device: mixing various thickening agents into a paste with certain concentration and certain viscosity;
mother liquor tank: storing different dye solutions by a plurality of containers respectively
Paste tank: storing paste to be used in a plurality of containers
A stirring tank: and (3) stirring a color paste mixing system consisting of the dye solution in the wood leaf tank, the paste in the paste pipe and other additives at a high speed to form uniform color paste for later use.
The discharge end of the mother liquid preparation device is connected with the mother liquid tank through a pipeline and a discharge valve, the discharge end of the paste preparation device is connected with the paste tank through a pipeline and a discharge valve, and the mother liquid tank and the paste tank are connected to the stirring tank through a pipeline, a discharge valve and a pump. The discharge valve and the pump are electrically connected with the controller, and the controller controls the discharge valve and the pump to operate according to the dosage input by the input end, so that color paste of each color position is prepared.
The paste mixing mechanism 1 is connected with the paste storage tank 2 through a pipeline and a first pneumatic diaphragm pump, and the mixed paste is conveyed into the paste storage tank 2 for centralized storage so as to be used in a unified mixing manner.
As shown in fig. 2, the color paste storage tank includes a tank body 21, the tank body 21 may be made of plastic, stainless steel, glass fiber, ceramic, etc., and the embodiment uses polyethylene thermoplastic resin, which has the advantages of easy cleaning, no leakage, no toxicity, aging resistance, impact resistance, corrosion resistance, long service life, etc. The volume of the tank 21 is generally determined according to the production scale and the frequency of use of the stored color paste, and is generally 200 plus 2000L, in this embodiment, 40 color paste storage tanks 2 for the common color paste are provided, wherein 1000L storage tanks are used for 20 common color pastes, and 500L storage tanks are used for the remaining 20 common color pastes.
The feeding pipe 22 and the stirring motor 23 are installed on the upper portion of the tank body 21, the output shaft of the stirring motor 23 is connected to the stirring rod in the tank body 21, the stirring device is additionally installed on the tank body 21, the color paste is kept in a stirring state when necessary, and the problem of quality of partial color paste caused by static storage is prevented.
The feed tube 22 is connected to a first pneumatic diaphragm pump which is electrically connected to the PLC controller, the operation of which is controlled by the controller. The inlet and the outlet of the first pneumatic diaphragm pump are provided with manual ball valves 43, and the manual ball valves 43 are closed to prevent color paste leakage when equipment such as a pump is overhauled.
An ultrasonic liquid level detector is installed in the color paste storage tank 2, an audible and visual alarm is installed on the tank body 21, the ultrasonic liquid level detector and the audible and visual alarm are both electrically connected with a PLC (programmable logic controller), a lowest liquid level value is preset in the controller, the ultrasonic liquid level detector transmits the detected color paste liquid level value to the controller, and the controller calculates the color paste stock of the tank body 21 to enable the color paste stock of the tank body 21 to be within a controllable range. When the liquid level of the color paste is lower than the lowest liquid level value, the audible and visual alarm is turned on to remind an operator to replenish liquid in time, so that the influence of liquid waiting on production is avoided.
The lower part of the tank body 21 is provided with a discharge pipe 24, the discharge pipe 24 is connected with a second pneumatic diaphragm pump 25 and a filter 26, a pressure sensor is arranged in the discharge pipe 24, the pressure sensor transmits the pressure value in the discharge pipe 24 to a controller in real time, when the pressure value is smaller than a set value, the second pneumatic diaphragm pump 25 is started, color paste in the color paste storage tank 2 is pumped into a corresponding hopper tank 31 of the printing machine 3, and when the pressure reaches the set value, the second pneumatic diaphragm pump 25 automatically stops. The inlet and outlet of the second pneumatic diaphragm pump 25 are also provided with manual ball valves 43, and the manual ball valves 43 are closed to prevent leakage of color paste when the pump and other devices are overhauled.
Be provided with drop feed mechanism 4 between filter 26 and the hopper tank 31 of calico printing machine 3, drop feed mechanism 4 is including the defeated thick liquid pipe 41 of connecting filter 26 and hopper tank 31, defeated thick liquid pipe 41 one end is connected to filter 26, and the other end is connected to the various positions hopper tank 31 of board, and tee bend pneumatic ball valve 42 and manual ball valve 43 are installed to the one end that defeated thick liquid pipe 41 is close to hopper tank 31. If the color paste which is not commonly used and needs to be used is prepared by the automatic size mixing system, the color paste is manually conveyed to the printing machine 3 through the suspension cage for use. The slurry conveying pipe 41 is a stainless steel pipe and has the advantages of good ductility and toughness, corrosion resistance, wear resistance and the like. One port of the three-way pneumatic ball valve 42 is connected with a water pipe, and the three-way pneumatic ball valve 42 plays a role in switching color paste and water. After one-time printing operation is finished, the pipeline is switched to a water pipe cleaning pipeline, and when the pipeline is cleaned and the material is replaced and pulled out, the manual ball valve 43 is closed, so that slurry is prevented from leaking. The three-way pneumatic ball valve 42 is electrically connected with a controller, and the controller controls the on and off states of the three-way pneumatic ball valve 42.
As shown in FIG. 3, each printing position of the printing machine 3 is provided with a hopper tank 31, the bottom of the hopper tank 31 is conveyed to a printing screen 32 through a pipeline, and color paste is printed by the printing screen 32 and then flows back to the hopper tank 31 if the printing position is an inclined plate printing machine. The hopper tank 31 is arranged on an electronic weighing device, and the electronic weighing device is electrically connected with a controller to transmit the weight of the color paste in the hopper tank 31 to the controller in real time. The printing machine 3 is provided with a stopwatch for detecting the running speed, and the stopwatch can measure the running speed of the printing machine 3 in real time and transmit the running speed to the controller.
Two parameters, a low value and a high value of the weight of the hopper tank, are preset. The controller receives the weight data returned by the electronic weighing device, if the weight data is lower than a set low value, the controller controls the three-way pneumatic ball valve 42 to conduct the color paste channel, the pressure value detected by the pressure transmitter in the pipeline is reduced, the controller starts the second pneumatic diaphragm pump 25, and color paste with corresponding color positions is injected into the hopper tank 31 until the upper limit of the set high value is reached.
The operation process of the pipelining pulp supply system of the printing machine is as follows:
firstly, inputting set parameters into a controller according to production requirements, and controlling a size mixing mechanism 1 to mix color paste used in the production, wherein the mixing amount can be one third of the total amount. And then, the color paste is conveyed to the corresponding color paste storage tank 2 for storage, and the color paste storage tank 2 pumps the color paste into the corresponding hopper tank 31 of the printing machine through a discharging mechanism. The printing machine 7 starts printing, and the controller calculates the consumption of color paste of the machine product under the unit of the printing machine through the printing amount returned by the code table and the weight of the paste supply fed back by the electronic weighing system, wherein the consumption is usually expressed by Kg/hectometer. The accurate total consumption of the color paste is calculated according to the printing amount and the consumption of the color paste of the production plan, so that the accurate color paste preparation is achieved, no residual color paste is left after the production is finished, and the waste of the color paste is reduced. Meanwhile, the color paste storage tank 2 transmits the liquid level value to the controller in real time, and the pulp mixing mechanism 1 can reasonably allocate pulp production tasks according to the consumption of a plurality of machines.
Compared with a mode of manually conveying color paste, the system reduces the labor intensity of size mixing workers, fundamentally solves the problem that the consumption of the color paste of the printing machine is difficult to control effectively, and solves a series of problems of excessive residual paste, random dumping and the like in the color paste management process. Through the accurate control of printing paste, the purpose of no residual paste discharge is achieved, the sewage chromaticity is greatly reduced, the sewage treatment burden is reduced, and the environmental safety is ensured. Has important significance for printing and dyeing enterprises with high pollution and high water consumption.
Claims (10)
1. The utility model provides a calico printing machine pipelining supplies thick liquid system which characterized in that: the automatic printing machine comprises a paste mixing mechanism, a plurality of paste storage tanks, a plurality of printing machines and a PLC (programmable logic controller), wherein the paste mixing mechanism is connected with the paste storage tanks through pipelines and pneumatic diaphragm pumps, and liquid level meters are arranged in the paste storage tanks;
each printing position of the printing machine is provided with a hopper tank, a stacking meter for detecting the running speed is mounted on the printing machine, and the bottom of the hopper tank is provided with an electronic weighing device;
the color paste storage tank comprises a feeding pipe, a discharging pipe and a stirring device, the discharging pipe is connected to the hopper tank through a discharging mechanism, the discharging pipe is connected with a pneumatic diaphragm pump and a filter, and a pressure transmitter is arranged in the discharging pipe;
the pneumatic diaphragm pump, the discharging mechanism, the liquid level meter, the pressure transmitter, the code meter and the electronic weighing device are all electrically connected with the PLC; the PLC collects the running speed and the pulp consumption of the printing machine and the storage conditions of the various pulp storage tanks, calculates the real-time pulp consumption, and mixes the conveying capacity of the color paste storage tank and the hopper tank in real time.
2. The calico printing machine ducted stock supply system of claim 1, wherein: the discharging mechanism comprises a pipeline connecting the filter and the hopper tank, and a three-way pneumatic ball valve and a manual ball valve are mounted on the pipeline.
3. The plumbed pulp supply system of claim 2, wherein: one port of the three-way pneumatic ball valve is connected with a water pipe.
4. The calico printing machine ducted stock supply system of claim 1, wherein: the liquid level meter is an ultrasonic liquid level detector.
5. The plumbed pulp supply system of claim 4, wherein: and an alarm is arranged on the storage tank, and the alarm is given when the liquid level is lower than a limit value.
6. The calico printing machine ducted stock supply system of claim 1, wherein: the color paste storage tank is made of polyethylene thermoplastic resin.
7. The calico printing machine ducted stock supply system of claim 1, wherein: the size mixing mechanism comprises a mother liquid preparation device and a paste preparation device, the mother liquid preparation device and the paste preparation device are respectively connected to a mother liquid tank and a paste tank through pipelines, and the mother liquid tank and the paste tank are connected to a stirring tank through pipelines and a pump.
8. The calico printing machine ducted stock supply system of claim 1, wherein: and manual ball valves are arranged at the inlet and the outlet of the pneumatic diaphragm pump.
9. The calico printing machine ducted stock supply system of claim 1, wherein: the color paste storage tank is divided into 1000L and 500L.
10. The calico printing machine ducted stock supply system of claim 1, wherein: the pipeline is a stainless steel pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833368.1A CN111845061A (en) | 2020-08-18 | 2020-08-18 | Pipeline slurry supply system of printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010833368.1A CN111845061A (en) | 2020-08-18 | 2020-08-18 | Pipeline slurry supply system of printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111845061A true CN111845061A (en) | 2020-10-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010833368.1A Pending CN111845061A (en) | 2020-08-18 | 2020-08-18 | Pipeline slurry supply system of printing machine |
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| Country | Link |
|---|---|
| CN (1) | CN111845061A (en) |
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2020
- 2020-08-18 CN CN202010833368.1A patent/CN111845061A/en active Pending
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