CN105774199A - Circular screen printer liquid level control system with signal indicating device - Google Patents
Circular screen printer liquid level control system with signal indicating device Download PDFInfo
- Publication number
- CN105774199A CN105774199A CN201610130013.XA CN201610130013A CN105774199A CN 105774199 A CN105774199 A CN 105774199A CN 201610130013 A CN201610130013 A CN 201610130013A CN 105774199 A CN105774199 A CN 105774199A
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- China
- Prior art keywords
- control system
- level control
- slurry
- tank level
- liquid level
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/38—Screens, Frames; Holders therefor curved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/16—Programming systems for automatic control of sequence of operations
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D9/00—Level control, e.g. controlling quantity of material stored in vessel
- G05D9/12—Level control, e.g. controlling quantity of material stored in vessel characterised by the use of electric means
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mechanical Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a circular screen printer liquid level control system with a signal indicating device. The circular screen printer liquid level control system comprises a material storing cylinder, a slurry adding pump arranged in the material storing cylinder, a slurry tank, the signal indicating device, a liquid level measuring control device used for collecting signals of the slurry level in the slurry tank, and a slurry level controller for controlling the liquid level measuring control device and the slurry adding pump to work according to the slurry level control signal. The liquid level measuring control device comprises a high liquid level control system and a low liquid level control system. The high liquid level control system is fixed to a liquid level detection pipe through a fixing plate in a manner of being adjustable in the perpendicular direction, and the low liquid level control system is fixed to the liquid level detection pipe through a fixing plate in a manner of being adjustable in the perpendicular direction. The high liquid level control system and the low liquid level control system each comprise a liquid level sensor. The sensors are connected with the signal input end of the controller. The signal output end of the controller is connected with a relay and the signal indicating device. By means of the application of the signal indicating device, safety work of a slurry adding pump body is ensured.
Description
Technical field:
The present invention relates to technical field of textile machine, in particular toA kind of circular screen printer tank level control system with signal indicating device。
Background technology:
The circular screen printer used in textile mills is a kind of screen printing machine using the jointless cylinder screen of continuous rotary to carry out stamp.Circular screen printer uses with other unit composition combination machine, can be used for bafta, chemical fibre and blend fabric thereof and the stamp of general knitted fabric, silk fabrics, its raw material variety being suitable for has: polyamide multifilament (line), polypropylene filament yarn (line), polypropylene, terylene, nylon, PP, low bullet, high-elastic, cotton thread yarn (line), pearly-lustre line, skin material, mixing etc..Circular screen printer is rational in infrastructure, processing ease, and production efficiency is high, is therefore widely used in textile manufacturing field.
Would generally there is the liquid in material storage tube below or above the liquid level limited in existing printing machine fluid level control device; the situation that operator do not find is so; the pipeline of such liquid turnover is it is possible that be mixed into the situation of extraneous air; the pump housing can be caused bigger damage by this; in addition the precision of fluid level control device of the prior art is accurate not; reliability is also inadequate; and volume is bigger; the volume causing material storage tube also increases; for this, how providing a kind of fluid level control device that can effectively solve the problems referred to above is the research purpose place of the present invention.
Summary of the invention:
The present invention is directed to the problems referred to above, it is provided that a kind ofNovelThe Pneumatic Liquid level controlling system of circular screen printer, with the problem solving to propose in above-mentioned background technology.
For achieving the above object, the present invention provides following technical scheme:
A kind of circular screen printer tank level control system with signal indicating device, it is characterized in that, including material storage tube, it is arranged at and material storage tube adds stock pump, slurry tank, signal indicating device is to starching the level gauging control device that position signal is acquired in slurry tank, and control level gauging control device according to slurry position control signal and add the slurry level controller that stock pump works, described level gauging controls device and includes high tank level control system and low tank level control system, described high tank level control system and low tank level control system fix plate being fixed on Level Detection pipe in the way of vertical direction adjustment respectively through one, described high tank level control system and low tank level control system include liquid level sensor, described sensor is connected with the signal input part of controller, the signal output part of described controller is connected with relay and signal indicating device respectively.
To present invention further optimization, described signal indicating device is audible-visual annunciator or photoelectric alarm lamp.
To present invention further optimization, described controller is PLC.
To present invention further optimization, described high tank level control system is connected with described fixing plate each through screw thread with low tank level control system, described high tank level control system and low tank level control system all include inside and arrange the tongue tube of contact and the magnetic ring that can move up and down along described tongue tube.
Described low tank level control system connects the ground level of transistor T1, and the colelctor electrode of T1 is connected to power supply, and emitter stage is connected to relay R L1, described relay R L1 and accesses the 13rd foot of NAND gate N3；The high tank level control system of described level gauging control device receives the base stage of transistor T2, the colelctor electrode of T2 is connected to power supply, emitter stage is through resistance R3 ground connection, and access the 1st of NAND gate N1 the, 2 feet, output the 4th foot of described NAND gate N2 is connected with the 12nd foot of NAND gate N3, described NAND gate N2 the 6th foot input received by the 11 foot outfans of described NAND gate N3, and be connected through the base stage of resistance R4 with transistor T3, the relay R L2 being connected with transistor T3 emitter stage is used for driving the work adding stock pump.
As to a kind of explanation adding stock pump in technique scheme, described in add stock pump and include adding stuff pump body, impeller axle, wheel chamber, eddy chamber, add stock pump entrance, add stock pump outlet, impeller, described wheel chamber.
It is opened in truncated cone-shaped and adds on stuff pump body axis, the axis of described wheel chamber is provided with cylinder enter slurry adding port eddy chamber and go out slurry adding port eddy chamber, described wheel chamber connects with entering slurry adding port eddy chamber, described add stock pump entrance and enter slurry adding port eddy chamber and connect, the described stock pump that adds exports and connects with wheel chamber, being provided with impeller on described impeller axle, described impeller is placed in wheel chamber, and described impeller axle stretches out and adds stuff pump body upper end.
Liquid level signal in material storage tube can be fed back to PLC by the tank level control system with signal indicating device provided by the present invention, if liquid level is too low, PLC can send instruction to relay, signal indicating device will glimmer, thus reminding operator, avoid owing to liquid level is too low or too high to adding the damage that stock pump causes, ensure that the trouble free service adding stuff pump body, in addition this device can Reliable guarantee Liquid level precision, facilitate again installation and debugging, and the low automaticity of cost is high, install, easy to use, additionally can pass through liquid level controller and add the work of stock pump, pond is supplemented slurry automatically thus reaching to automatically control serosity amount in slurry tank, prevent slurry in slurry tank too much or very few.
Accompanying drawing illustrates:
Below in conjunction withAccompanying drawingThe present invention is described further:
Fig. 1Structural representation for embodiments of the inventionFigure；
Fig. 2Structural principle for the tank level control system of the present inventionFigure
Fig. 3The electrical principle signal adding stock pump work for the present inventionFigure；
Fig. 4The structural representation adding stock pump for the present inventionFigure。
Detailed description of the invention:
For making the technological means of the present invention, creating feature, reach purpose and be easy to understand with effect, below in conjunction with detailed description of the invention, the present invention is expanded on further.
Such as Fig. 1Shown in,A kind of circular screen printer tank level control system with signal indicating devicenull，It is characterized in that，Including material storage tube 1、It is arranged at and material storage tube 1 adds stock pump 21、Slurry tank 2、Signal indicating device 44 is to starching the level gauging control device that position signal is acquired in slurry tank 2、And control level gauging control device according to slurry position control signal and add the slurry level controller 11 that stock pump 21 works，Described level gauging controls device and includes high tank level control system 13 and low tank level control system 14，Described high tank level control system 13 and low tank level control system 14 fix plate 6 can be fixed on Level Detection pipe 5 in the way of vertical direction adjustment respectively through one，Described high tank level control system 13 and low tank level control system 14 include liquid level sensor 51，Described sensor 51 is connected with the signal input part of controller 42，The signal output part of described controller 42 is connected with relay 43 and signal indicating device 44 respectively.
Described signal indicating device 44 is audible-visual annunciator or photoelectric alarm lamp.
Described controller 42 is PLC.
Described high tank level control system 13 is connected with described fixing plate 6 each through screw thread with low tank level control system 14, described high tank level control system 13 and low tank level control system 14 all include inside and arrange the tongue tube 8 of contact and the magnetic ring 9 that can move up and down along described tongue tube 8.
When the liquid level in material storing box is in high liquid level, signal can be fed back to PLC by high tank level control system 13, PLC can send instruction to relay, signal indicating device will send voice alarm signal, thus reminding operator that liquid level is too high, when the liquid level in material storing box is in low liquid level, signal can be fed back to PLC by low tank level control system 14, PLC can send instruction to relay, and signal indicating device will send color break-up alarm signal, thus reminding operator that liquid level is too low
Such as Fig. 4Shown in, described slurry level controller 11 controls to add the electrical principle of stock pump workAs schemedShowing, described low tank level control system 14 connects the ground level of transistor T1, and the colelctor electrode of T1 is connected to power supply, and emitter stage is connected to relay R L1, described relay R L1 and accesses the 13rd foot of NAND gate N3；The high tank level control system 13 of described level gauging control device receives the base stage of transistor T2, the colelctor electrode of T2 is connected to power supply, emitter stage is through resistance R3 ground connection, and access the 1st of NAND gate N1 the, 2 feet, output the 4th foot of described NAND gate N2 is connected with the 12nd foot of NAND gate N3, described NAND gate N2 the 6th foot input received by the 11 foot outfans of described NAND gate N3, and be connected through the base stage of resistance R4 with transistor T3, the work that the relay R L2 being connected with transistor T3 emitter stage is used for driving level gauging to control device.
nullWhen the slurry position of slurry tank 2 is at low tank level control system less than 14，Transistor T1 and T2 is all not turned on，N3 exports high level，Transistor T3 turns on，Make relay R L2 have electric current by and action，Thus add stock pump 21 electric motor operation，Start water suction slurry tank 2. when the slurry position of slurry tank 2 is at low tank level control system more than 14，During high tank level control system less than 13，Slurry in slurry tank 2 provides base voltage to transistor T1，T1 is made to turn on，Relay R L1 obtains electric adhesive，N3 the 13rd foot is high level，Owing to transistor T2 there is no base voltage，And it is in cut-off state，N1 the 1st、2 foot inputs are low level，3rd foot output is then high level，And N2 the 6th foot enters end still for high level，Thus the output of N2 the 4th foot is then low level，Final N3 the 11st foot is output as high level、Add stock pump 21 to continue slurry suction slurry tank 2，When the water level of slurry tank 2 exceedes upper limit water level B，Transistor T1 still obtains base voltage，Relay R L1 adhesive，N3 the 13rd foot is still high level，Simultaneously，Water in slurry tank 2 provides base voltage to turn it on also to transistor T2，N1 the 1st、2 foot inputs are high level，3rd foot outfan is low level，N2 the 4th foot outfan is high level，N3 the 11st final output low level of foot，T3 is made to end，Add stock pump 21 to stop pumping.In order to realize the control to printing machine liquid level in the present embodiment, slurry tank is supplemented in real time serosity, allow slurry position remain at low tank level control system more than 14, between high tank level control system 13 position below.
In the present embodiment,Such as Fig. 4Shown in, the described stock pump 21 that adds includes adding stuff pump body 31, impeller axle 10, wheel chamber 32, eddy chamber 33, add stock pump entrance 36, add stock pump outlet 37, impeller 41, described wheel chamber 32 is opened in truncated cone-shaped and adds on stuff pump body 31 axis, the axis of described wheel chamber 32 is provided with cylindrical swirl chamber 33, described wheel chamber 32 connects with eddy chamber 33, the described stock pump entrance 36 that adds also connects with eddy chamber 33, the described stock pump that adds exports 37 and connects with wheel chamber 32, described impeller axle is provided with impeller 41, described impeller 41 is placed in wheel chamber 32, described impeller axle 10 stretches out and adds stuff pump body 1 upper end, the stock pump 21 that adds in the present embodiment is oneIndependentHydraulic Circulation device, can play certain decompression.
nullInvention product structure is simple、Rationally，Design concept is ingenious，Operating aspect，It is not limited by a space，Liquid level signal in material storage tube can be fed back to PLC by the tank level control system with signal indicating device provided，If liquid level is too low，PLC can send instruction to relay，Signal indicating device will glimmer，Thus reminding operator，Avoid owing to liquid level is too low or too high to adding the damage that stock pump causes，Ensure that the trouble free service adding stuff pump body，In addition this device can Reliable guarantee Liquid level precision，Facilitate again installation and debugging，And the low automaticity of cost is high、Install、Easy to use，Additionally can pass through liquid level controller and add the work of stock pump，Slurry tank is supplemented slurry automatically thus reaching to automatically control serosity amount in slurry tank，Prevent slurry in slurry tank too much or very few，And there is Level Detection sensitivity advantages of higher，Very strong practicality.
Described embodiment is in order to the illustrative present invention, not for the restriction present invention.Described embodiment all under the spirit and category of the present invention, can be modified, therefore the scope of the present invention by any those skilled in the art, should as listed by the claim of the present invention.
Claims (6)
- null1. the circular screen printer tank level control system with signal indicating device，It is characterized in that，Including material storage tube (1)、It is arranged at and material storage tube (1) adds stock pump (21)、Slurry tank (2)、The level gauging that slurry position signal in slurry tank (2) is acquired by signal indicating device (44) controls device、And control level gauging control device according to slurry position control signal and add the slurry level controller (11) that stock pump (21) works，Described level gauging controls device and includes high tank level control system (13) and low tank level control system (14)，Described high tank level control system (13) is all connected with slurry level controller (11) with low tank level control system (14)，Described high tank level control system (13) and low tank level control system (14) fix plate (6) can be fixed on Level Detection pipe (5) in the way of vertical direction adjustment respectively through one，Described high tank level control system (13) and low tank level control system (14) include liquid level sensor (51)，Described sensor (51) is connected with the signal input part of controller (42)，The signal output part of described controller (42) is connected with relay (43) and signal indicating device (44) respectively.
- 2. a kind of circular screen printer tank level control system with signal indicating device according to claim 1, it is characterised in that: described signal indicating device (44) is audible-visual annunciator or photoelectric alarm lamp.
- 3. require a kind of circular screen printer tank level control system with signal indicating device described in 1 according to claims, it is characterised in that: described controller (42) is PLC.
- 4. a kind of circular screen printer tank level control system with signal indicating device according to claim 1, it is characterized in that: described high tank level control system (13) is connected with described fixing plate (6) each through screw thread with low tank level control system (14), described high tank level control system (13) and low tank level control system (14) all include inside and arrange the tongue tube (8) of contact and the magnetic ring (9) that can move up and down along described tongue tube (8).
- 5. a kind of circular screen printer tank level control system with signal indicating device according to claim 1, it is characterized in that: described low tank level control system (14) connects the ground level of transistor T1, the colelctor electrode of T1 is connected to power supply, emitter stage is connected to relay R L1, described relay R L1 and accesses the 13rd foot of NAND gate N3；The high tank level control system (13) of described level gauging control device receives the base stage of transistor T2, the colelctor electrode of T2 is connected to power supply, emitter stage is through resistance R3 ground connection, and access the 1st of NAND gate N1 the, 2 feet, output the 4th foot of described NAND gate N2 is connected with the 12nd foot of NAND gate N3, described NAND gate N2 the 6th foot input received by the 11 foot outfans of described NAND gate N3, and be connected through the base stage of resistance R4 with transistor T3, the relay R L2 being connected with transistor T3 emitter stage is used for driving the work adding stock pump (21).
- null6. a kind of circular screen printer tank level control system with signal indicating device according to claim 1，It is characterized in that: described in add stock pump (21) and include adding stuff pump body (31)、Impeller axle (10)、Wheel chamber (32)、Eddy chamber (33)、Add stock pump entrance (36)、Add stock pump outlet (37)、Impeller (41)，Described wheel chamber (32) is opened in truncated cone-shaped and adds on stuff pump body (31) axis，The axis of described wheel chamber (32) is provided with cylinder enter slurry adding port eddy chamber (33) and go out slurry adding port eddy chamber (35)，Described wheel chamber (32) connects with entering slurry adding port eddy chamber (33)，Described add stock pump entrance (36) and enter slurry adding port eddy chamber (33) and connect，The described stock pump that adds exports (37) and connects with wheel chamber (32)，Described impeller axle is provided with impeller (41)，Described impeller (41) is placed in wheel chamber (32)，Described impeller axle (10) is stretched out and is added stuff pump body (31) upper end.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610130013.XA CN105774199A (en) | 2016-03-08 | 2016-03-08 | Circular screen printer liquid level control system with signal indicating device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610130013.XA CN105774199A (en) | 2016-03-08 | 2016-03-08 | Circular screen printer liquid level control system with signal indicating device |
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| CN105774199A true CN105774199A (en) | 2016-07-20 |
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| CN103832056A (en) * | 2012-11-20 | 2014-06-04 | 吴江市利群纺织有限公司 | Color paste liquid level control device of circular screen printer |
| CN205581665U (en) * | 2016-03-08 | 2016-09-14 | 苏州瑞日纺织科技有限公司 | Circular screen printer liquid level control system with signal indication device |
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2016
- 2016-03-08 CN CN201610130013.XA patent/CN105774199A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2660377Y (en) * | 2003-12-05 | 2004-12-01 | 北京亚都科技股份有限公司 | Liquid level controller |
| CN201405562Y (en) * | 2009-05-22 | 2010-02-17 | 西安德高佳美印染设备有限公司 | Sizing agent liquid level controller for wallpaper rotary screen printing machine |
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| CN102691672A (en) * | 2012-06-13 | 2012-09-26 | 哈尔滨大鑫新能源科技开发有限公司 | Balanced water pump having functions of pressure boost and pressure reduction |
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Application publication date: 20160720 |