WO2018040631A1 - 基于软包装油墨的中转式自动供墨系统 - Google Patents

基于软包装油墨的中转式自动供墨系统 Download PDF

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Publication number
WO2018040631A1
WO2018040631A1 PCT/CN2017/086036 CN2017086036W WO2018040631A1 WO 2018040631 A1 WO2018040631 A1 WO 2018040631A1 CN 2017086036 W CN2017086036 W CN 2017086036W WO 2018040631 A1 WO2018040631 A1 WO 2018040631A1
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Prior art keywords
ink
bag
storage tank
supply system
ink supply
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PCT/CN2017/086036
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English (en)
French (fr)
Inventor
桑春龙
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桑春龙
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Application filed by 桑春龙 filed Critical 桑春龙
Publication of WO2018040631A1 publication Critical patent/WO2018040631A1/zh

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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

Definitions

  • the invention relates to the technical field of printing equipment, in particular to a transit type automatic ink supply system based on flexible packaging ink.
  • the ink in the ink package is usually added all at once, otherwise the ink left in the ink package will be solidified and cannot be used, resulting in waste, and the ink added to the ink pool at one time is also not on demand. Joining, causing frequent waste that cannot be used.
  • ink tanks are used for ink storage and ink injection, but the ink stored in the ink tank, especially some special types of ink, requires a higher storage environment, a little longer When it is stored at a lower temperature or at a lower temperature, the problem of drying can no longer be used.
  • the object of the present invention is to provide a rotary automatic ink supply system based on flexible packaging ink, which uses bagged ink to carry out automated ink extrusion, avoiding the cumbersome manual operation; using the ink storage tank as a storage tank
  • the transfer storage device enables the bagged ink to be completely extruded at one time, which is beneficial to the environmental protection of the ink package; according to the provided human-computer interaction and automatic detection, the on-demand ink injection of the ink is realized;
  • the temperature control and the temperature control of the ink transmission pipeline make the ink difficult to dry, reduce the manual maintenance of the equipment, reduce the failure rate and improve the working efficiency.
  • the present invention provides a relay type automatic ink supply system based on a flexible packaging ink, the automatic ink supply system comprising:
  • the ink storage tank (1) is a wall-mounted ink storage tank or a desktop ink storage tank installed on one side of the ink pool (20) of the printing machine;
  • the ink storage tank (1) includes a heat preservation cover (13), temperature a sensor (14), a heating device (15), an air inlet and an exhaust port; wherein the heat retention cover (13) is wrapped around the outside of the ink storage tank (1);
  • the temperature sensor (14) is disposed at the On the ink storage tank (1), detecting the temperature of the ink in the ink storage tank (1), and generating a temperature detection signal;
  • the heating device (15) is disposed below the ink storage tank (1) Starting or stopping the heating device (15) to heat the ink storage tank (1) according to the temperature detection signal;
  • An ink flexible packaging extrusion device (2) is disposed above the ink storage tank (1), extruding ink in the flexible packaging ink bag (30) by extrusion, and injecting into the ink storage tank (1);
  • An ink pump (4) is connected to the bottom of the ink storage tank (1), and is activated according to the received ink supply control signal to pump the ink in the ink storage tank (1) through the ink discharge tube (5). ) to the ink supply nozzle (6) is injected into the ink pool (20); the ink pump (4) is linked with the platform driving motor;
  • a nitrogen gas pipe (16) connected to the gas inlet, and the nitrogen storage pipe (1) is filled with nitrogen gas through the nitrogen gas pipe (16);
  • the nitrogen pipe (16) is provided with a first pipe a solenoid valve (161);
  • the first solenoid valve (161) is associated with the ink pump (4);
  • An exhaust pipe (17) is connected to the air outlet, and the gas in the ink storage tank (1) is discharged through the exhaust pipe;
  • the second electromagnetic valve is disposed on the pipeline of the exhaust pipe (17) (171);
  • the second solenoid valve (171) is associated with the ink pump (4);
  • a motion ink supply bracket 10 comprising a lateral rail (7), a first motion platform (8) and a platform driving motor; the lateral rail (7) is mounted above the ink pool (20), and the ink pool (20)
  • the ink fountain rollers (21) are arranged in parallel; the first motion platform (8) is slidably disposed on the lateral rails (7), and the ink supply nozzles (6) are mounted on the first motion platform (8)
  • the first motion platform (8) is driven by the platform drive motor, sliding along the lateral rail (7) parallel to the ink fountain roller (21);
  • An ink inventory sensor disposed on the first motion platform (8) or disposed in the ink pool (20) to detect an ink level in the ink pool (20); when detecting the ink pool ( When the ink level in 20) is lower than the lower limit of the set height, the ink supply control signal is generated and sent to the ink pump (4).
  • the automatic ink supply system further comprises: a main control circuit board (19);
  • the main control circuit board (19) and the temperature sensor (14), the heating device (15), the ink flexible packaging extrusion device (2), the platform driving motor, the ink inventory sensor, the ink pump (4), the first electromagnetic One or more of the valve (161) and the second solenoid valve (171) are coupled.
  • the automatic ink supply system further comprises: an operation panel (21);
  • the operation panel (21) is connected to the main control circuit board (19), and the operation panel (21) receives instruction information input by the user, and generates a corresponding operation signal and sends the operation signal to the main control circuit board (19). ;
  • the main control circuit board (19) generates a corresponding control signal according to the operation signal, and controls the heating device (15), the ink flexible packaging extrusion device (2), the platform driving motor, the ink pump (4), and the first One or more of a solenoid valve (161) and a second solenoid valve (171), or acquiring corresponding data according to the operation signal, returning to the operation panel (21) and displaying; the data includes: temperature data, One or more of ink level data or equipment operating data.
  • the instruction information input by the user is the ink supply amount information; the operation panel (21) generates a corresponding signal according to the ink supply amount information and sends the corresponding signal to the main control circuit board (19), the main control
  • the circuit board control activates the ink pump (4) to operate at a first pump speed for a first period of time, and activates a first solenoid valve (161) to allow nitrogen to enter the ink tank (1) from a nitrogen conduit (16) while simultaneously starting
  • the second solenoid valve (171) discharges excess gas in the ink tank (1) such that the pressure in the ink tank (1) maintains a normal pressure during the injection of ink into the ink pool (20).
  • the automatic ink supply system further comprises: a liquid level detecting sensor (18);
  • the ink storage tank (1) comprises: a barrel body (11) and a barrel cover (12);
  • the liquid level detecting sensor (18) is disposed on the barrel cover (12) to detect the ink level in the barrel (11), and generates a control to open or close the ink flexible packaging extrusion device. (2) Liquid level detection signal.
  • the air inlet and the air outlet are provided on the wall of the barrel at the upper end of the barrel (11) or on the lid (12).
  • the ink discharge tube (5) is surrounded by a heating tube (21);
  • the heating tube (21) heats and heats the ink conveyed in the ink discharge tube (5).
  • the ink flexible package pressing device (2) comprises a pressure roller driving motor (22) and two pressure rollers (23) arranged in parallel; the two pressure rollers (23) have synchronous teeth at one end on the same side. a gear wheel, wherein one of the pressure rollers is driven by the pressure roller drive motor (22), and the other pressure roller is driven to rotate synchronously by the synchronous gears;
  • the flexible packaging ink bag (30) is upwardly bottomed, the bag opening (31) is suspended downward, and is squeezed between the two pressing rollers (23); the flexible packaging ink bag (30) follows the two pressing rollers The opposite phasewise rotation changes the height position between the two pressure rollers (23), thereby extruding the ink in the flexible package ink bag (30) into the ink reservoir (1).
  • the ink flexible packaging extrusion device (2) further comprises a first ink bag detecting device, a second ink bag detecting device, an ink bag lower mouth detecting sensor, a push rod motor and a bracket (25);
  • the first ink bag detecting device detects the insertion of the flexible package ink bag (30) under the two pressure rollers (23), a first sensing signal is generated and sent to the pressure roller driving motor (22) to drive the The two pressure rollers (23) are respectively rotated by a predetermined angle, and the bottom end of the flexible packaging ink bag (30) is sandwiched between the two pressure rollers (22);
  • the push rod motor receives the control signal control bracket (25) sent by the main control circuit board (19) to push the ink flexible package pressing device (2) to the initial position above the ink storage tank (1);
  • the sensor inductive flexible packaging is detected through the lower mouth of the ink bag (1).
  • the main control circuit board (19) receives the signal of the ink bag lower port detecting sensor, correspondingly generates a control signal and sends it to the push rod motor, and the control bracket (25) drives the ink flexible package pressing device (2)
  • the relative position of the ink outlet of the flexible packaging ink bag (30) to the ink storage tank (1) remains unchanged;
  • the second ink bag detecting device detects the flexible package ink bag (30) during the ink extrusion process, and when detecting that the bottom end of the flexible package ink bag (30) reaches the set position, Generating a second sensing signal to the pressure roller driving motor (22), stopping driving the two pressure rollers (23) to continue to rotate;
  • the push rod motor receives the control signal sent by the main control circuit board (19), moves the bracket (25) to the standby position, so that the ink flexible package pressing device (2) is placed on one side of the ink tank (1).
  • the automatic ink supply system further includes: an ink filling port protection device (24);
  • the ink filling port protection device (24) is disposed at one end of the moving ink supply bracket (10), and includes: a plug (241), a sealing ring (242), a spring (243), an electromagnet (244), and a nitrogen gas. a tube (245) and a third solenoid valve (246);
  • the sealing ring (242) is placed at the top end of the plug (241); the spring (243) is connected to the bottom of the plug (241), and the electromagnet (244) is disposed at the plug ( Below the 241); the third solenoid valve (246) is disposed on the nitrogen tube (245), and the nitrogen tube (245) is in communication with the plug (241);
  • the platform driving motor drives the first motion platform (8) to move to the one end, and when the ink supply nozzle (6) reaches the preset position, the third solenoid valve (246) Turning on, nitrogen gas is passed from the nitrogen tube (245) to the plug (241), the electromagnet (244) is de-energized, and the plug (241) is pushed up by the spring (243) to the The ink nozzles (6) are joined and form a hermetic connection by the sealing ring (242), after which the third solenoid valve (246) is closed.
  • the rotary automatic ink supply system based on the flexible packaging ink provided by the embodiment of the invention adopts bagged ink to perform automatic ink extrusion, avoiding the cumbersome manual operation; using the ink storage tank as a relay
  • the storage device enables the bagged ink to be completely extruded at one time, which is beneficial to the environmental protection of the ink package; according to the provided human-computer interaction and automatic detection, the on-demand ink injection of the ink is realized;
  • the temperature control and the temperature control of the ink transmission pipe make the ink difficult to dry, reduce the manual maintenance of the equipment, reduce the failure rate and improve the working efficiency.
  • FIG. 1 is a schematic diagram of an intermediate automatic ink supply system based on a flexible packaging ink according to an embodiment of the present invention
  • FIG. 2 is a schematic overall view of another intermediate automatic ink supply system based on flexible packaging ink according to an embodiment of the present invention
  • FIG. 3 is a schematic overall view of a preferred flexible ink supply system based on a flexible packaging ink according to an embodiment of the present invention
  • FIG. 4 is a schematic structural view of an ink storage tank according to an embodiment of the present invention.
  • FIG. 5 is a partial enlarged view of an outer tube surrounding a heating tube according to an embodiment of the present invention.
  • Figure 6 is a front elevational view of the ink filling port protection device according to an embodiment of the present invention.
  • FIG. 7 is a side view of an ink filling port protection device according to an embodiment of the present invention.
  • the embodiment of the invention relates to a rotary automatic ink supply system based on a flexible packaging ink, which can realize a fully automatic filling process of ink from an ink packaging container to an ink pool, and can effectively prevent waste caused by low temperature and oxidative drying.
  • FIG. 1 and FIG. 2 are diagrams showing a rotary automatic ink supply system based on a flexible packaging ink according to the embodiment, wherein FIG. 1 is an automatic ink supply system of a wall-mounted ink storage barrel, and FIG. 2 is an automatic supply of a desktop ink storage barrel.
  • Figure 3 is a preferred implementation of the automatic ink supply system of the desktop ink storage tank;
  • Figure 4 is a schematic view of the specific structure of the ink storage tank;
  • Figure 5 is an outer circumference of the ink discharge tube provided by the embodiment of the present invention.
  • FIG. 6 is a partially enlarged view of the ink filling port protection device according to an embodiment of the present invention. As shown in FIG. 1 to FIG.
  • the intermediate automatic ink supply system for the opportunity flexible packaging ink includes: an ink flexible packaging extrusion device 2, a flexible packaging ink bag 30, an ink storage barrel 1, a nitrogen pipe 16, and an exhaust pipe. 17.
  • Ink pump 4 ink discharge tube 5, ink supply nozzle 6, moving ink supply holder 10, ink pool 20, ink inventory sensor (not shown), main control circuit board 19, operation panel 21, and ink refilling Port protection device 24.
  • the ink tank 1 is mounted on the ink pool 20 side of the printing press; the ink tank 1 includes a heat insulating cover 13, a temperature sensor 14, a heating device 15, an air inlet and an air outlet.
  • the ink storage tub 1 further includes a tub body 11 and a tub cover 12 that is fastened to the tub body 11.
  • the heat preservation cover 13 is disposed on the outer side of the ink storage tank 1; the temperature sensor 14 is disposed on the ink storage tank 1 to detect the temperature of the ink in the ink storage tank 1 and generate a temperature detection signal; the heating device 15 is disposed in the ink storage barrel 1 below, the heating device 15 is started or stopped according to the temperature detection signal to heat the ink tank 1.
  • the intake port and the exhaust port are provided on the wall of the barrel at the upper end of the tub 11 or on the lid 12 of the tub.
  • FIG. 4 a wall-mounted ink tank shown in FIG. 4 will be taken as an example, and will be described with reference to FIGS. 1, 2, and 3.
  • the structure of the desktop ink tank is similar to that of the wall-mounted ink tank, and will not be separately described.
  • the liquid level detecting sensor 18 is mounted on the tub cover 12 to detect the ink level in the tub 11 and generates a liquid level detecting signal for controlling the opening or closing of the ink flexible package pressing device 2.
  • the ink flexible packaging extrusion device 2 is disposed above the ink storage tub 1 and is fixed to the ink storage tub 1 through the bracket 25.
  • the bracket 25 is driven by the push rod motor to be movable.
  • the push rod motor receives the control signal sent from the main control board 19 to control the bracket 25 to move to the filling position, so that the ink flexible package pressing device 2 is disposed at Above the ink storage tank 1 (as shown in FIG. 2), when no ink filling is required, the push rod motor receives the control signal sent from the main control circuit board 19 to move the bracket 25 to the standby position, so that the ink flexible packaging press device 2 is placed On one side of the ink tank 1 (as shown in Figure 1).
  • the control to turn on the liquid level detection signal of the ink flexible package extrusion device 2 by squeezing
  • the ink in the flexible package ink bag 30 is extruded and injected into the ink tank 1.
  • the ink flexible packaging extrusion device 2 includes a pressure roller driving motor 22 and two pressure rollers 23 arranged in parallel; the two pressure rollers 23 have synchronous gears at one end of the same side, and one of the pressure rollers is driven by the pressure roller.
  • the motor 22 is driven to drive the other pressure roller to rotate synchronously by the synchronous gear.
  • the bottom of the flexible packaging ink bag 30 is upward, the bag opening 31 is suspended downward, and is squeezed between the two pressing rollers 23; the flexible packaging ink bag 30 is changed between the two pressing rollers 23 by the synchronous rotation of the two pressing rollers.
  • the height position is such that the ink in the flexible package ink bag 30 is extruded into the ink tank 1.
  • the ink flexible package extrusion device 2 further includes a first ink bag detecting device (not shown) and a second ink bag detecting device (not shown).
  • first ink bag detecting device detects the insertion of the flexible packaging ink bag 30 under the two pressing rollers 23, the first sensing signal is generated and sent to the pressing roller driving motor 22, and the two pressing rollers 23 are driven to rotate oppositely by a predetermined angle, and the flexible packaging is performed.
  • the bottom end of the ink bag 30 is sandwiched between two pressure rollers 23;
  • the upward vertical movement is added with the rotation of the pressure roller 23 and is fixedly suspended between the two pressure rollers 23, between the two pressure rollers 23.
  • the pitch can be adjusted to be no greater than the thickness of the bottom edge of the flexible package ink bag 30.
  • the second ink bag detecting device detects the soft package ink bag 30, and when it is detected that the bottom end of the flexible package ink bag 30 reaches the set position, the flexible package ink bag 30 reaches the maximum pressing position, wherein The ink has been completely extruded. At this time, the second sensing signal is generated and sent to the pressure roller driving motor 22, and the driving of the two pressure rollers 23 is stopped to continue the rotation.
  • the opening and closing of the tub cover 12 of the ink tank 1 can be manually controlled or automatically controlled by the automatic ink supply system. It is preferable to adopt an automatic control method in which the lid 12 is linked with the ink flexible packaging pressing device 2. That is, when the ink flexible package squeezing device 2 is required to add ink to the ink storage tub 1, the ink soft pack extrusion device 2 is controlled to squeeze the ink into the ink storage tub 1 by first controlling the automatic opening of the water tank cover 12. After the ink is squeezed in, the control lid 12 is automatically closed.
  • the operator inserts the flexible package ink bag 30 under the two pressure rollers 23, and when the first ink bag detecting device senses the soft package ink bag 30, the two pressure rollers 23 are driven to rotate by a predetermined angle, and the bottom of the soft package ink bag 30 is driven. The end is sandwiched between two pressure rollers 23.
  • the push rod motor control bracket 25 automatically pushes the ink soft pack pressing device 2 to the initial position of a certain height above the ink tank 1.
  • the main control circuit board 19 generates a control signal to control the opening of the tub cover 12.
  • the pressure roller driving motor 22 is controlled to drive the two pressure rollers 23 to rotate to extrude the ink into the ink tank 1.
  • the position of the flexible packaging ink bag 30 is continuously increased, and the position of the flexible packaging ink bag 30 is sensed by the ink bag lower detecting sensor, and the main control circuit board 19 receives the sensor signal and generates a control signal accordingly.
  • the control bracket 25 drives the extrusion device to continuously decrease, offsetting the position change of the flexible package ink bag 30, so that the position of the ink outlet of the flexible package ink bag 30 to the relative position of the ink storage tank 1 remains unchanged, maintaining The right distance.
  • the height of the ink flexible package pressing device 2 pushed by the push rod motor can also be determined by the ink bag lower mouth detecting sensor for different sizes and different bag types of the flexible package ink bag 30.
  • the second ink bag detecting device detects the relative position between the flexible package ink bag 30 and the pressure roller 23, and when the bottom end of the flexible package ink bag 30 is detected to reach the set position, the flexible package ink is described.
  • the bag 30 reaches the maximum squeeze position in which the ink has been completely extruded into the ink tank 1.
  • the second sensing signal is generated and sent to the pressure roller driving motor 22, and the driving of the two pressure rollers 23 is stopped to continue the rotation.
  • the pusher motor receives the control signal sent from the main control board 19, and moves the carriage 25 to the standby position, so that the ink flexible package pressing device 2 is placed on one side of the ink tank 1.
  • the ink pump 4 is connected to the bottom of the ink storage tank 1, and is activated according to the received ink supply control signal, pumping the ink in the ink storage tank 1 to the ink pool 20 through the ink discharge tube 5 to the ink supply nozzle 6;
  • the ink pump 4 is linked to the platform drive motor.
  • the ink pump 4 may preferably be one of an electric gear pump, an electric diaphragm pump, or an electric screw pump.
  • the ink discharge tube 5 is surrounded by a heating tube 21, and the ink conveyed in the ink discharge tube 5 is heated and insulated to prevent the ink from being dried due to the ambient temperature during the transportation.
  • the ink discharge tube 5 can be heated by the heating tube 21, so that the ink remaining in the ink discharge tube 5 is heated and does not dry in the ink discharge tube 5, thereby affecting the output of the ink. Or the oil circuit is blocked due to low temperature.
  • the ink supply nozzle 6 may be provided with no valve, and the pumped ink is directly injected into the ink pool 20 through the ink supply tube 5 through the ink supply nozzle 6.
  • the nitrogen pipe 16 is connected to the air inlet, and the nitrogen storage pipe 1 is filled with nitrogen gas through the nitrogen gas pipe 16; the first electromagnetic valve 161 is disposed on the pipeline of the nitrogen gas pipe 16; the first electromagnetic valve 161 is linked with the ink pump 4;
  • the exhaust pipe 17 is connected to the air outlet, and the gas in the ink storage tank 1 is discharged through the exhaust pipe; the second electromagnetic valve 171 is disposed on the pipeline of the exhaust pipe 17; the second electromagnetic valve 171 is linked with the ink pump 4;
  • the movable ink supply bracket 10 includes a lateral rail 7, a first motion platform 8 and a platform driving motor; the horizontal rail 7 is disposed above the ink pool 20, and is disposed in parallel with the ink fountain roller 21 in the ink pool 20; the first motion platform 8 is slid On the lateral rail 7, the ink supply nozzle 6 is mounted on the first moving platform 8; the first moving platform 8 is driven by the platform driving motor, and slides along the transverse rail 7 parallel to the ink fountain roller 21.
  • the lateral rail 7 may be specifically composed of a drag chain, a rail, a belt or a screw, and the platform driving motor drives the first motion platform 8 to reciprocate on the lateral rail 7.
  • the platform driving motor drives the first motion platform 8 to reciprocate on the lateral rail 7.
  • the ink inventory sensor is disposed on the first motion platform 8 or disposed in the ink pool 20 to detect the ink level in the ink pool 20; when the ink level in the ink pool 20 is detected to be lower than the set height In a limited time, an ink supply control signal is generated and sent to the ink pump 4.
  • the ink inventory sensor is disposed on one side of the ink supply nozzle 6 on the first motion platform 8, and detects the liquid level in the ink pool 20, and automatically based on the detected liquid level parameter. Feedback control of the ink supply system to determine if ink replenishment is required.
  • the main control circuit board 19 receives the temperature detection signal sent by the temperature sensor 14, and when it is determined that the detected temperature is lower than the storage ink set temperature according to the temperature detection signal, the generated temperature control signal is sent to the heating device 15 for the stored ink. Heat up.
  • the main control circuit board 19 receives the ink level detection signal of the ink inventory sensor, detects the liquid level in the ink pool 20 through the ink inventory sensor, and performs feedback control of the automatic ink supply system based on the detected liquid level parameter. Determine if ink replenishment is required. When it is detected that the liquid level is lower than the set liquid level, the main control circuit board 19 of the automatic ink supply system generates an ink injection control signal to be sent to the motor of the ink pump 4, and controls the ink pump 4 to be turned on.
  • the main control circuit board 19 controls the activation of the first electromagnetic valve 161 to allow nitrogen gas to enter the ink storage tank 1 from the nitrogen gas pipe 16, while the second electromagnetic valve 171 is activated to discharge excess gas in the ink storage tank 1, so that During the injection of the ink into the ink pool 20, the pressure inside the ink tank 1 is maintained at a normal pressure.
  • the stage drive motor is also activated at the same time as the ink pump 4, so that the ink can be uniformly injected into the ink pool 20 during the ink filling process.
  • the operation panel 21 is connected to the main control circuit board 19, the operation panel 21 receives the command information input by the user, generates a corresponding operation signal and sends it to the main control circuit board 19;
  • the main control circuit board 19 generates a corresponding control signal according to the operation signal, and controls one or more of the heating device 15, the ink flexible package pressing device 2, the platform driving motor, the ink pump 4, the first electromagnetic valve 161, and the second electromagnetic valve 171. Or, according to the operation signal, the corresponding data is returned to the operation panel 21 and displayed; the data includes one or more of temperature data, ink level data or device operation data.
  • the operation panel 21 generates a corresponding signal according to the ink supply amount information input by the user, and sends the corresponding signal to the main control circuit board 19, and the main control circuit board 19 processes the ink pump 4 according to the ink supply amount information to obtain the ink pump 4 in the first pump.
  • the length of time required to work at speed According to the processing result, the main control circuit board 19 generates a control signal to control the start of the ink pump 4 to operate at the first pump speed for the first time period, and activates the first electromagnetic valve 161.
  • Nitrogen gas is introduced into the ink tank 1 from the nitrogen gas pipe 16, while the second electromagnetic valve 171 is activated to discharge excess gas in the ink tank 1, so that the pressure in the ink tank 1 is maintained at a normal pressure during the injection of the ink into the ink pool 20.
  • the inside of the ink storage tub 1 is flushed with nitrogen gas by the opening of the first electromagnetic valve 161, so that no negative pressure is formed in the ink storage tub 1 during the ink pumping process, which affects the pumping of the ink.
  • the second solenoid valve 171 is opened to discharge excess gas, so that the pressure inside the ink tank 1 is maintained at a normal pressure.
  • the first solenoid valve 161 is activated to introduce nitrogen gas into the ink tank 1 from the nitrogen gas pipe 16, and the second electromagnetic valve 171 is activated.
  • the air in the ink tank 1 is discharged, so that the inside of the ink tank 1 is maintained under a nitrogen atmosphere, and the storage of the ink, particularly the storage of the oxidative drying ink, forms a good storage environment.
  • an ink output detector (not shown) is further disposed on a side of the ink supply nozzle 6 below, and the detection direction of the ink output detector is perpendicular to the ink outflow direction.
  • the main control board 19 receives the detection signal from the ink output detector to the ink supply nozzle 6. If no ink is discharged below the ink supply nozzle 6, the ink output detector generates an invalid detection signal, and the control signal is generated by the main control circuit board 19 to control the ink pump 4 to suspend operation. At the same time, an alarm signal can be generated to prompt the operator that the device is abnormal.
  • the preferred implementation of the automatic ink supply system provided by the embodiment is also designed.
  • the ink filling port protection device 24 is disposed at one end of the moving ink supply holder 10.
  • the ink filling port protection device 24 is as shown in FIGS. 6 and 7, wherein FIG. 6 is a front view and FIG. 7 is a side view. As shown in FIG. 6 and 7, the ink filling port protection device 24 includes: a plug 241, a sealing ring 242, a spring 243, an electromagnet 244, a nitrogen tube 245 and a third electromagnetic valve 246;
  • the sealing ring 242 is placed at the top end of the plug 241; the spring 243 is connected to the bottom of the plug 241, the electromagnet 244 is disposed below the plug 241; the third electromagnetic valve 246 is disposed on the nitrogen tube 245, nitrogen gas. Tube 245 is in communication with plug 241.
  • the platform driving motor drives the first motion platform 8 to move to the end of the ink filling port protection device 24, and when the ink supply nozzle 6 reaches the preset position, the third electromagnetic valve 246 is controlled to be opened by the main control circuit board. Nitrogen gas is passed from the nitrogen tube 245 to the plug 241, and the electromagnet 244 is deenergized. The plug 241 is pushed up by the spring 243 to be in contact with the ink supply nozzle 6, and is sealed by the sealing ring 242. At this time, the ink supply nozzle 6 and the connected pipe are both in a nitrogen atmosphere, which can effectively prevent the residual ink from being dried by oxidation. The third solenoid valve 246 is then controlled to close.
  • the main control board control When the main control board control detects that the ink level in the ink pool is lower than the lower limit of the set height, first generates a control signal to control the electromagnet 244 to be energized, and the plug 241 is pulled down by the spring 243 to be separated from the ink supply nozzle 6, and then The control platform driving motor drives the first motion platform to move along the lateral rail to the initial position of the ink injection, and then generates an ink supply control signal to control the ink pump to open the ink injection.
  • the flexible packaging ink bag 30 may be an ink flexible packaging bag having an anti-oxidation coating, a paper packaging layer and a waterproof packaging layer from the inside to the outside, for accommodating oxidative polymerization.
  • Type ink, etc. it may also be a flexible ink bag with a three-layer structure of a hydrolyzable coating, a paper packaging layer and an anti-UV packaging layer from the inside to the outside, for accommodating ultraviolet curing ink, etc., or other similar structures.
  • a packaging bag with a waterproof packaging layer when using, the waterproof packaging layer needs to be removed first, and then the paper packaging layer is exposed to the outermost ink flexible packaging bag.
  • Two pressure rollers are inserted under the two pressure rollers 23. 23 rooms.
  • the first ink bag detecting device detects an object placed under the two pressure rollers 23.
  • the first ink bag detecting device 23 When detected, the first ink bag detecting device 23 generates an induction signal to be sent to the pressure roller driving motor, and drives the two pressure rollers 23 to rotate by a predetermined angle, for example, 540° or 720°, etc., to soften the ink bag 30.
  • the bottom end is sandwiched between two pressure rollers 23. Due to the pressure between the two pressure rollers 23, the oil-soft package ink bag 30 that is sandwiched does not fall out between the two pressure rollers 23.
  • the first ink bag detecting device may be a photoelectric sensor or a mechanical sensor.
  • the temperature sensor 14 detects the ink temperature in the ink storage tub 1 from time to time or according to the set time interval, and the temperature detection signal is sent to the main control circuit board 19; the main control circuit board 19 determines the ink according to the temperature detection signal. Whether the temperature is lower than the set value, when the temperature is lower than the setting, a control signal is generated to control the heating device 15 to heat the ink tank 1. Further, it is also possible to simultaneously control the heating tube 21 surrounded by the ink discharge tube 5 to also heat the ink discharge tube 5.
  • the liquid level detecting sensor 18 In the standby state, the liquid level detecting sensor 18 periodically or periodically detects the ink level in the barrel 11, and generates a liquid level detecting signal for controlling the opening or closing of the ink flexible package pressing device 2, and sends it to the main control circuit. Board 19. If the ink level in the barrel 11 is lower than the set minimum height, the main control board 19 controls the starting ink flexible package pressing device 2 to extrude the ink in the flexible package ink bag 30 into the ink storage tub 1.
  • the ink in the flexible packaging ink bag 30 is all combined in the ink storage tub 1 at a time, so as to prevent the ink in the soft packaging ink bag 30 from being filled once, and the residual ink drying in the soft packaging ink bag 30 causes waste, and also
  • the soft packaging ink bag 30 can be environmentally recycled after the one-time filling is completed.
  • the two press rolls 23 are reversed by the press roller drive motor, and the flexible package ink bag 30 is withdrawn between the two press rolls 23.
  • the liquid level sensor in the ink pool 20 is detected by the ink inventory sensor provided on the motion ink supply holder 10, and the detection signal is transmitted to the main control circuit board 19.
  • the main control circuit board 19 When the liquid level is lower than the set liquid level, the main control circuit board 19 generates an ink injection control signal and sends it to the main control circuit board 19 to control the ink pump 4 to open, and simultaneously drives the platform drive motor to work in conjunction with the ink pump 4,
  • the ink in the ink tank 1 is pumped into the ink pool 20.
  • the main control circuit board 19 controls the activation of the first electromagnetic valve 161 to allow nitrogen gas to enter the ink storage tank 1 from the nitrogen gas pipe 16, and simultaneously activates the second electromagnetic valve 171.
  • the excess gas in the ink tank 1 is discharged so that the pressure in the ink tank 1 is maintained at a normal pressure during the injection of the ink into the ink pool 20.
  • the ink inventory sensor continues to detect the level of the liquid level in the ink pool 20 and transmits the detection signal to the main control circuit board 19.
  • the main control circuit board 19 When the liquid level height is higher than the set maximum liquid level, the main control circuit board 19 generates a stop injection control signal and sends it to the main control circuit board 19 to control the ink pump 4 to stop working, and the platform drive motor drive controls the first motion platform 8 to reset. To the initial position.
  • the operator can control the operations of mounting, ejecting, and injecting the flexible package ink bag 30 by operating the operation panel 21, and can also control the heating and stopping of the heating device 15 and the heating tube.
  • the operator can also view various operating parameters, temperature detection, ink injection speed, and the like of the automatic ink supply system, and provides a convenient human-computer interaction interface.
  • the rotary automatic ink supply system based on the flexible packaging ink provided by the embodiment of the invention adopts bagged ink to perform automatic ink extrusion, avoiding the cumbersome manual operation; using the ink storage tank as a transfer storage device, enabling the bagged ink to be used once All the extrusion is beneficial to the environmental protection of the ink package; according to the combination of human-computer interaction and automatic detection, the on-demand ink injection of the ink is realized; the temperature control of the ink storage barrel and the temperature control of the ink transmission pipe are controlled.
  • the ink is not easy to dry, the manual maintenance of the equipment is reduced, the failure rate is reduced, and the work efficiency is improved.
  • the steps of a method or algorithm described in connection with the embodiments disclosed herein can be implemented in hardware, a software module executed by a processor, or a combination of both.
  • the software module can be placed in random access memory (RAM), memory, read only memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, A register, hard disk, removable disk, CD-ROM, or any other form of storage medium known in the art.

Abstract

一种基于软包装油墨的中转式自动供墨系统，包括：储墨桶（1），储墨桶（1）内的温度传感器（14）对桶内油墨温度进行检测，生成温度检测信号控制加热装置（15）对储墨桶（1）加热；油墨软包装挤压装置（2），设置于储墨桶（1）上方，通过挤压将软包装油墨袋（30）中的油墨挤出，注入储墨桶（1）中；油墨泵（4），接于储墨桶（1）的底部，根据供墨控制信号启动，将储墨桶（1）中的油墨泵出，经出墨管（5）至供墨墨嘴（6）注入墨池（20）；氮气管道（16），接于进气口，向储墨桶（1）内充入氮气；排气管（17），接于出气口，将储墨桶（1）内的气体排出；运动供墨支架（10），包括横向导轨（7）、第一运动平台（8）和平台驱动电机，供墨墨嘴（6）安装于第一运动平台（8）上，第一运动平台（8）由平台驱动电机驱动，沿横向导轨（7）平行墨斗辊（21）滑动；油墨存量传感器，对墨池（20）内的油墨液面高度进行检测，生成供墨控制信号发送给油墨泵（4）。所述供墨系统有利于油墨包装物的环保回收，实现按需注墨，油墨不易干燥。

Description

基于软包装油墨的中转式自动供墨系统
本申请要求于2016年08月29日提交中国专利局、申请号为201610748789.8、发明名称为“基于软包装油墨的中转式自动供墨系统”的中国专利申请的优先权。
技术领域
本发明涉及印刷设备技术领域，尤其涉及一种基于软包装油墨的中转式自动供墨系统。
背景技术
传统的印刷油墨大多使用金属或塑料硬质密封包装的储墨桶，油墨需要依靠人工使用墨铲挑入墨池，操作非常不便且不易将油墨完全取净，并且使用后的储墨桶目前还没有有效的环保处理方式。
此外，在添加油墨的时候，通常会把油墨包装中的油墨一次性全部加入，否则留在油墨包装中的油墨会固化无法使用造成浪费，而一次性加入墨池的油墨，也因为不是按需加入，造成经常发生无法使用完毕浪费的情况。
为此，在一些油墨印刷注墨设备上，采用注墨桶进行油墨存储和注墨，但是存储在储墨桶中的油墨，特别是一些特殊类型的油墨，对存储环境要求较高，稍长时间或在较低温度下保存就会发生干燥无法再继续使用的问题。
发明内容
本发明的目的是提供一种基于软包装油墨的中转式自动供墨系统，采用袋装油墨，进行自动化的油墨挤出，避免人工操作的繁琐；利用储墨桶作为 中转存储设备，使得袋装油墨能够一次性全部挤出，有利于油墨包装物的环保回收；根据所提供的人机交互和自动检测相结合，实现油墨的按需注墨；通过对储墨桶的温度控制和油墨传输管道的温度控制，使得油墨不易干燥，减少了设备的人工维护量，降低了故障发生率，提高了工作效率。
为实现上述目的，本发明提供了一种基于软包装油墨的中转式自动供墨系统，所述自动供墨系统包括：
储墨桶(1)，为壁挂式的储墨桶或台式的储墨桶，安装于印刷机的墨池(20)一侧；所述储墨桶(1)包括保温罩(13)、温度传感器(14)、加热装置(15)、进气口和排气口；其中所述保温罩(13)包覆于所述储墨桶(1)外侧；所述温度传感器(14)设置于所述储墨桶(1)上，对所述储墨桶(1)内的油墨温度进行检测，并生成温度检测信号；所述加热装置(15)设置于所述储墨桶(1)下方，根据所述温度检测信号启动或停止所述加热装置(15)对所述储墨桶(1)加热；
油墨软包装挤压装置(2)，设置于所述储墨桶(1)上方，通过挤压将软包装油墨袋(30)中的油墨挤出，注入所述储墨桶(1)中；
油墨泵(4)，接于所述储墨桶(1)的底部，根据接收到的供墨控制信号启动，将所述储墨桶(1)中的油墨泵出，经出墨管(5)至供墨墨嘴(6)注入所述墨池(20)；所述油墨泵(4)与所述平台驱动电机联动；
氮气管道(16)，接于所述进气口，通过所述氮气管道(16)向所述储墨桶(1)内充入氮气；所述氮气管道(16)的管路上设置有第一电磁阀(161)；所述第一电磁阀(161)与所述油墨泵(4)联动；
排气管(17)，接于所述出气口，所述储墨桶(1)内的气体通过所述排气管排出；所述排气管(17)的管路上设置有第二电磁阀(171)；所述第二电磁阀(171)与所述油墨泵(4)联动；
运动供墨支架(10)，包括横向导轨(7)、第一运动平台(8)和平台驱动电机；所述横向导轨(7)架设于所述墨池(20)上方，与所述墨池(20) 中的墨斗辊(21)平行设置；所述第一运动平台(8)滑设于所述横向导轨(7)上，所述供墨墨嘴(6)安装于所述第一运动平台(8)上；所述第一运动平台(8)由所述平台驱动电机驱动，沿所述横向导轨(7)平行所述墨斗辊(21)滑动；
油墨存量传感器，设置于所述第一运动平台(8)上或者设置于所述墨池(20)中，对墨池(20)内的油墨液面高度进行检测；当检测所述墨池(20)内的油墨液面高度低于设定高度下限时，生成所述供墨控制信号，发送给所述油墨泵(4)。
优选的，所述自动供墨系统还包括：主控电路板(19)；
所述主控电路板(19)与所述温度传感器(14)、加热装置(15)、油墨软包装挤压装置(2)、平台驱动电机、油墨存量传感器、油墨泵(4)、第一电磁阀(161)和第二电磁阀(171)中的一个或多个相连接。
优选的，所述自动供墨系统还包括：操作面板(21)；
所述操作面板(21)与所述主控电路板(19)相连接，所述操作面板(21)接收用户输入的指令信息，生成相应的操作信号发送给所述主控电路板(19)；
所述主控电路板(19)根据所述操作信号生成相应的控制信号，控制所述加热装置(15)、油墨软包装挤压装置(2)、平台驱动电机、油墨泵(4)、第一电磁阀(161)和第二电磁阀(171)中的一个或多个，或者根据所述操作信号获取相应的数据返回给所述操作面板(21)并显示；所述数据包括：温度数据、油墨液面高度数据或设备运行数据中的一种或多种。
进一步优选的，所述用户输入的指令信息为供油墨量信息；所述操作面板(21)根据所述供油墨量信息生成相应信号发送给所述主控电路板(19)，所述主控电路板控制启动所述油墨泵(4)以第一泵速工作第一时段，并启动第一电磁阀(161)使氮气由氮气管道(16)进入所述储墨桶(1)，同时启动第二电磁阀(171)使所述储墨桶(1)内多余气体排出，使得在将油墨注入所述墨池(20)过程中，所述储墨桶(1)内压力维持常压。
优选的，所述自动供墨系统还包括：液面检测传感器(18)；所述储墨桶(1)包括：桶体(11)和桶盖(12)；
所述液面检测传感器(18)设置于所述桶盖(12)上，对所述桶体(11)内的油墨液面高度进行检测，并生成控制开启或关闭所述油墨软包装挤压装置(2)的液面高度检测信号。
进一步优选的，所述进气口和排气口设置于所述桶体(11)上端的桶壁，或者设置与所述桶盖(12)上。
优选的，所述出墨管(5)外环绕有加热管(21)；
所述加热管(21)对所述出墨管(5)中传输的油墨进行加热保温。
优选的，所述油墨软包装挤压装置(2)包括压辊驱动电机(22)和两根平行设置的压辊(23)；所述两根压辊(23)在同侧的一端具有同步齿合齿轮，其中一根压辊由所述压辊驱动电机(22)驱动，通过所述同步齿合齿轮带动另一根压辊相向同步转动；
软包装油墨袋(30)底部向上、袋口(31)向下呈悬挂状，挤压于所述两根压辊(23)之间；所述软包装油墨袋(30)随所述两根压辊的相向同步转动改变在所述两根压辊(23)之间的高度位置，从而将软包装油墨袋(30)中的油墨挤出至所述储墨桶(1)中。
进一步优选的，所述油墨软包装挤压装置(2)还包括第一油墨袋检测装置、第二油墨袋检测装置、墨袋下口检测传感器、推杆电机和支架(25)；
所述第一油墨袋检测装置检测到插入所述两根压辊(23)下方的软包装油墨袋(30)时，产生第一感应信号发送给所述压辊驱动电机(22)，驱动所述两根压辊(23)分别相向旋转预设角度，将所述软包装油墨袋(30)的底端夹入所述两根压辊(22)之间；
推杆电机接收主控电路板(19)发送的控制信号控制支架(25)推送油墨软包装挤压装置(2)提升到储墨桶(1)上方的初始位置；
在油墨挤出至储墨桶(1)过程中，通过墨袋下口检测传感器感应软包装 油墨袋(30)的位置变化，主控电路板(19)接收墨袋下口检测传感器的信号，相应生成控制信号发送给推杆电机，控制支架(25)带动油墨软包装挤压装置(2)相应的不断下降，使得软包装油墨袋(30)的出墨口位置到储墨桶(1)的相对位置保持不变；
在所述油墨挤出的过程中，所述第二油墨袋检测装置对所述软包装油墨袋(30)进行检测，当检测到所述软包装油墨袋(30)的底端到达设定位置时，生成第二感应信号发送给所述压辊驱动电机(22)，停止驱动所述两根压辊(23)继续转动；
推杆电机接收主控电路板(19)发送的控制信号，移动支架(25)到待机位置，使得油墨软包装挤压装置(2)置于储墨桶(1)的一侧。
优选的，
所述自动供墨系统还包括：注墨口保护装置(24)；
所述注墨口保护装置(24)设置于所述运动供墨支架(10)的一端，包括：堵头(241)、密封圈(242)、弹簧(243)、电磁铁(244)、氮气管(245)和第三电磁阀(246)；
所述密封圈(242)置于堵头(241)的顶端；所述弹簧(243)与所述堵头(241)的底部相连接，所述电磁铁(244)设置于所述堵头(241)的下方；所述第三电磁阀(246)设置于所述氮气管(245)上，所述氮气管(245)与所述堵头(241)相连通；
当每次注墨结束，所述平台驱动电机驱动第一运动平台(8)运动到所述一端，所述供墨墨嘴(6)到达预设位置时，所述第三电磁阀(246)打开，氮气由所述氮气管(245)通至所述堵头(241)，所述电磁铁(244)断电，所述堵头(241)由弹簧(243)上推至与所述供墨墨嘴(6)相接，并通过所述密封圈(242)形成密闭连接，之后所述第三电磁阀(246)关闭。
本发明实施例提供的基于软包装油墨的中转式自动供墨系统，采用袋装油墨，进行自动化的油墨挤出，避免人工操作的繁琐；利用储墨桶作为中转 存储设备，使得袋装油墨能够一次性全部挤出，有利于油墨包装物的环保回收；根据所提供的人机交互和自动检测相结合，实现油墨的按需注墨；通过对储墨桶的温度控制和油墨传输管道的温度控制，使得油墨不易干燥，减少了设备的人工维护量，降低了故障发生率，提高了工作效率。
附图说明
图1为本发明实施例提供的一种基于软包装油墨的中转式自动供墨系统的整体示意图；
图2为本发明实施例提供的另一种基于软包装油墨的中转式自动供墨系统的整体示意图；
图3为本发明实施例提供的一种优选的基于软包装油墨的中转式自动供墨系统的整体示意图；
图4为本发明实施例提供的储墨桶的结构示意图；
图5为本发明实施例提供的出墨管外环绕加热管的局部放大图；
图6为本发明实施例提供的注墨口保护装置的正视图；
图7为本发明实施例提供的注墨口保护装置的侧视图。
具体实施方式
下面通过附图和实施例，对本发明的技术方案做进一步的详细描述。
本发明实施例涉及提供的基于软包装油墨的中转式自动供墨系统，能够实现油墨从油墨包装容器到墨池的全自动化加注过程，并能有效防止油墨因低温、氧化干燥造成的浪费。
图1、图2所示为本实施例提供的基于软包装油墨的中转式自动供墨系统，其中，图1为壁挂式储墨桶的自动供墨系统，图2为台式储墨桶的自动供墨系统；图3为台式储墨桶的自动供墨系统的一种较优的实现方式；图4储墨桶的具体结构示意图；图5为本发明实施例提供的出墨管外环绕加热管 的局部放大图；图6为本发明实施例提供的注墨口保护装置的局部放大图。结合图1-图6所示，本实施例提供的机遇软包装油墨的中转式自动供墨系统包括：油墨软包装挤压装置2、软包装油墨袋30、储墨桶1、氮气管道16、排气管17、油墨泵4、出墨管5、供墨墨嘴6、运动供墨支架10、墨池20、油墨存量传感器(图中未示出)、主控电路板19、操作面板21和注墨口保护装置24。
储墨桶1，安装于印刷机的墨池20一侧；储墨桶1包括保温罩13、温度传感器14、加热装置15、进气口和排气口。储墨桶1还包括：桶体11和桶盖12，桶盖12扣合在桶体11上。
其中保温罩13包覆于储墨桶1外侧；温度传感器14设置于储墨桶1上，对储墨桶1内的油墨温度进行检测，并生成温度检测信号；加热装置15设置于储墨桶1下方，根据温度检测信号启动或停止加热装置15对储墨桶1加热。
优选的，进气口和排气口设置于桶体11上端的桶壁，或者设置与桶盖12上。
进一步的，储墨桶1的具体结构可以如图4所示。下面以图4所示的壁挂式的储墨桶为例，并结合图1、图2、图3进行说明。台式的储墨桶结构与壁挂式的储墨桶的结构相似，就不再单独进行性说明了。
液面检测传感器18，装设于桶盖12上，对桶体11内的油墨液面高度进行检测，并生成控制开启或关闭油墨软包装挤压装置2的液面高度检测信号。
油墨软包装挤压装置2，设置于储墨桶1上方，通过支架25与储墨桶1相固定。支架25由推杆电机控制驱动可以活动，当需要进行油墨加注时，推杆电机接收主控电路板19发送的控制信号控制支架25移动到加注位置，使得油墨软包装挤压装置2设置于储墨桶1上方(如图2中所示)，当不需油墨加注时，推杆电机接收主控电路板19发送的控制信号移动支架25到待机位置，使得油墨软包装挤压装置2置于储墨桶1的一侧(如图1所示)。当接收到控制开启油墨软包装挤压装置2的液面高度检测信号时，通过挤压将 软包装油墨袋30中的油墨挤出，注入储墨桶1中。
具体的，油墨软包装挤压装置2包括压辊驱动电机22和两根平行设置的压辊23；两根压辊23在同侧的一端具有同步齿合齿轮，其中一根压辊由压辊驱动电机22驱动，通过同步齿合齿轮带动另一根压辊相向同步转动；
软包装油墨袋30底部向上、袋口31向下呈悬挂状，挤压于两根压辊23之间；软包装油墨袋30随两根压辊的相向同步转动改变在两根压辊23之间的高度位置，从而将软包装油墨袋30中的油墨挤出至储墨桶1中。
在具体的实现方式中，油墨软包装挤压装置2还包括第一油墨袋检测装置(图中未示出)和第二油墨袋检测装置(图中未示出)。第一油墨袋检测装置检测到插入两根压辊23下方的软包装油墨袋30时，产生第一感应信号发送给压辊驱动电机22，驱动两根压辊23分别相向旋转预设角度，将软包装油墨袋30的底端夹入两根压辊23之间；
为保证软包装油墨袋30在挤压过程中能够收到足够的摩擦力随压辊23的转动而向上垂直移动被加入且固定悬挂于两根压辊23之间，两根压辊23之间的间距可以调整为不大于软包装油墨袋30的底边厚度。在后续将软包装油墨袋30进行排空时，也能保证软包装油墨袋30中的油墨因收到足够的压力被最大限度的从软包装油墨袋30中排空。
在油墨挤出的过程中，第二油墨袋检测装置对软包装油墨袋30进行检测，当检测到软包装油墨袋30的底端到达设定位置时，说明软包装油墨袋30到达最大挤压位置，其中油墨已经全部挤出。此时生成第二感应信号发送给压辊驱动电机22，停止驱动两根压辊23继续转动。
储墨桶1的桶盖12的开合可以是手动控制的，也可以是自动供墨系统自动控制的。优选采用桶盖12与油墨软包装挤压装置2联动的自动控制方式。即在需要油墨软包装挤压装置2向储墨桶1内加入油墨时，通过先控制桶盖12自动开启，再控制油墨软包装挤压装置2向储墨桶1内挤入油墨。在油墨挤入完毕后，控制桶盖12自动关闭。
根据上述各个装置部件，可以实现如下的全自动油墨中转过程。
首先，操作人员将软包装油墨袋30插入两根压辊23下方，由第一油墨袋检测装置感应到软包装油墨袋30时，驱动两根压辊23旋转预设角度，将软包装油墨袋30的底端夹入两根压辊23之间。此时推杆电机控制支架25自动推送油墨软包装挤压装置2，提升到储墨桶1上方一定高度的初始位置。此时，主控电路板19生成控制信号控制开启桶盖12。之后再控制压辊驱动电机22驱动两根压辊23旋转将油墨挤出至储墨桶1内。在油墨挤出至储墨桶1过程中，软包装油墨袋30的位置不断提升，通过墨袋下口检测传感器感应软包装油墨袋30的位置变化，主控电路板19接收传感器信号，相应生成控制信号发送给推杆电机，控制支架25带动挤出装置相应的不断下降，抵消软包装油墨袋30的位置变化，使得软包装油墨袋30的出墨口位置到储墨桶1的相对位置保持不变，维持适合的距离。
通过墨袋下口检测传感器还可以针对软包装油墨袋30的不同尺寸和不同袋型，确定油墨软包装挤压装置2被推杆电机推送的高度。
在油墨挤出的过程中，第二油墨袋检测装置对软包装油墨袋30与压辊23之间的相对位置进行检测，当检测到软包装油墨袋30的底端到达设定位置时，说明软包装油墨袋30到达最大挤压位置，其中油墨已经全部挤出至储墨桶1内。此时生成第二感应信号发送给压辊驱动电机22，停止驱动两根压辊23继续转动。
由此，实现了油墨从软包装油墨袋30到储墨桶1的全自动油墨中转过程。
之后，推杆电机接收主控电路板19发送的控制信号，移动支架25到待机位置，使得油墨软包装挤压装置2置于储墨桶1的一侧。
油墨泵4，接于储墨桶1的底部，根据接收到的供墨控制信号启动，将储墨桶1中的油墨泵出，经出墨管5至供墨墨嘴6注入墨池20；油墨泵4与平台驱动电机联动。
油墨泵4可以优选为电动齿轮泵、电动隔膜泵或电动螺杆泵中的一种。
优选的，如图5所示，出墨管5外环绕有加热管21，对出墨管5中传输的油墨进行加热保温，以避免油墨在传输过程中因环境温度造成干燥的情况。同时，还可以在每次执行油墨注入前，通过加热管21对出墨管5进行加热，使得出墨管5中残留的油墨被加热后不会干燥在出墨管5中影响油墨的输出，或者因低温造成油路堵塞。
供墨墨嘴6上可以不设阀门，泵出的油墨通过出墨管5经供墨墨嘴6直接注入到墨池20中。
氮气管道16，接于进气口，通过氮气管道16向储墨桶1内充入氮气；氮气管道16的管路上设置有第一电磁阀161；第一电磁阀161与油墨泵4联动；
排气管17，接于出气口，储墨桶1内的气体通过排气管排出；排气管17的管路上设置有第二电磁阀171；第二电磁阀171与油墨泵4联动；
运动供墨支架10，包括横向导轨7、第一运动平台8和平台驱动电机；横向导轨7架设于墨池20上方，与墨池20中的墨斗辊21平行设置；第一运动平台8滑设于横向导轨7上，供墨墨嘴6安装于第一运动平台8上；第一运动平台8由平台驱动电机驱动，沿横向导轨7平行墨斗辊21滑动。
具体的，横向导轨7可以具体由拖链、轨道、皮带或丝杆组成，由平台驱动电机驱动第一运动平台8在横向导轨7上往复运动。通过设置平台驱动电机与油墨泵4联动，以保证油墨在注入过程中，能够相对均匀的注入到墨池20中。避免在同一位置油墨过多造成油墨溢出，而其他位置缺墨造成供墨不足，造成印刷品质量事故。
油墨存量传感器，设置于第一运动平台8上或者设置于墨池20中，对墨池20内的油墨液面高度进行检测；当检测墨池20内的油墨液面高度低于设定高度下限时，生成供墨控制信号，发送给油墨泵4。
在一个具体的实施例中，油墨存量传感器设置于第一运动平台8上供墨墨嘴6的一侧，对墨池20内的液面高度进行探测，基于探测到的液面高度参数进行自动供墨系统的反馈控制，确定是否需要进行油墨补充。
主控电路板19与温度传感器14、加热装置15、油墨软包装挤压装置2、平台驱动电机、油墨存量传感器、油墨泵4、第一电磁阀161和第二电磁阀171中的一个或多个相连接。
具体的，主控电路板19接收温度传感器14发出的温度检测信号，当根据温度检测信号确定检测到的温度低于存储油墨设定温度时，生成温度控制信号发送给加热装置15对存储的油墨进行加热。
主控电路板19接收油墨存量传感器的油墨液面高度检测信号，通过油墨存量传感器对墨池20内的液面高度进行探测，基于探测到的液面高度参数进行自动供墨系统的反馈控制，确定是否需要进行油墨补充。当探测到液面高度低于设定液面高度时，通过自动供墨系统的主控电路板19生成油墨注入控制信号发送给油墨泵4的电机，控制油墨泵4开启工作。在油墨泵4启动的同时，主控电路板19控制启动第一电磁阀161使氮气由氮气管道16进入储墨桶1，同时启动第二电磁阀171使储墨桶1内多余气体排出，使得在将油墨注入墨池20过程中，储墨桶1内压力维持常压。平台驱动电机也与油墨泵4同时启动，在注墨过程中，使得油墨能够均匀注入墨池20中。
操作面板21与主控电路板19相连接，操作面板21接收用户输入的指令信息，生成相应的操作信号发送给主控电路板19；
主控电路板19根据操作信号生成相应的控制信号，控制加热装置15、油墨软包装挤压装置2、平台驱动电机、油墨泵4、第一电磁阀161和第二电磁阀171中的一个或多个，或者根据操作信号获取相应的数据返回给操作面板21并显示；数据包括：温度数据、油墨液面高度数据或设备运行数据中的一种或多种。
以用户控制加墨操作为例，操作面板21根据用户输入的供油墨量信息生成相应信号发送给主控电路板19，主控电路板19根据供油墨量信息处理得到油墨泵4在第一泵速下需要工作的时长。根据处理结果主控电路板19生成控制信号控制启动油墨泵4以第一泵速工作第一时段，并启动第一电磁阀161 使氮气由氮气管道16进入储墨桶1，同时启动第二电磁阀171使储墨桶1内多余气体排出，使得在将油墨注入墨池20过程中，储墨桶1内压力维持常压。
通过第一电磁阀161的开启向储墨桶1内冲入氮气，使得在油墨泵出过程中储墨桶1内不会形成负压，影响油墨泵出。通过第二电磁阀171开启，使得将多余气体排出，使储墨桶1内压力维持常压。
此外，在油墨软包装挤压装置2向储墨桶1内加入油墨，且桶盖12关闭后，启动第一电磁阀161将氮气由氮气管道16进入储墨桶1，同时启动第二电磁阀171将储墨桶1内的空气排出，使得储墨桶1内维持在氮气环境下，对油墨的存储，特别是氧化干燥油墨的存储，形成良好的存储环境。
此外，为了有效的监控供墨墨嘴6的出墨状态，避免发生油路堵塞的情况下供墨墨嘴6无法出墨而油墨泵4还在持续工作，影响生产且容易造成设备异常甚至损坏。因此在优选的实现方案中，在供墨墨嘴6下方的一侧侧面还设置有油墨输出探测器(图中未示出)，油墨输出探测器的探测方向与油墨流出方向垂直。
当油墨泵4启动，将油墨泵出注入到墨池20时，主控电路板19接收油墨输出探测器对供墨墨嘴6下方的探测信号。如果供墨墨嘴6下方没有油墨排出，则油墨输出探测器生成无效的探测信号，通过主控电路板19生成控制信号控制油墨泵4暂停工作。同时还可以生成告警信号，提示操作人员设备异常。
此外，为了在待机状态下，对供墨墨嘴6进行保护，避免残留油墨干燥在供墨墨嘴6处影响后续设备正常使用，本实施例提供的自动供墨系统的优选实现方案中还设计有注墨口保护装置24，如图3中所示。注墨口保护装置24设置于运动供墨支架10的一端。
具体的，注墨口保护装置24如图6、图7所示，其中图6为正视图，图7为侧视图。结合图6、7所示，注墨口保护装置24包括：堵头241、密封圈242、弹簧243、电磁铁244、氮气管245和第三电磁阀246；
所述密封圈242置于堵头241的顶端；弹簧243与堵头241的底部相连接，所述电磁铁244设置于堵头241的下方；第三电磁阀246设置于氮气管245上，氮气管245与堵头241相连通。
当每次注墨结束，平台驱动电机驱动第一运动平台8运动到注墨口保护装置24所在一端，供墨墨嘴6到达预设位置时，通过主控电路板控制第三电磁阀246打开，氮气由氮气管245通至堵头241，电磁铁244断电，堵头241由弹簧243上推至与供墨墨嘴6相接，并通过密封圈242形成密闭连接。此时，供墨墨嘴6以及所连接的管道内均为氮气气氛，可以有效避免残留油墨因氧化造成干燥。之后控制第三电磁阀246关闭。
在主控电路板控制检测到墨池内的油墨液面高度低于设定高度下限时，首先生成控制信号控制电磁铁244通电，堵头241由弹簧243下拉至与供墨墨嘴6分离，然后再控制平台驱动电机驱动第一运动平台沿横向导轨移动到注墨初始位置，再生成供墨控制信号控制油墨泵开启注墨。
以上对本实施例提供的基于软包装油墨的中转式自动供墨系统的各个部件、它们之间的连接关系、各部件自身的工作原理进行了介绍，下面结合图1-图6，对整个自动供墨系统的完整工作过程进行详述。
首先需要说明的是，在本实施例中，软包装油墨袋30可以具体为由内向外具有防氧化涂层、纸质包装层和防水包装层三层结构的油墨软包装袋，用于容置氧化聚合型油墨等；也可以是由内向外具有可水解涂层、纸质包装层和抗紫外线包装层三层结构的油墨软包装袋，用于容置紫外线固化型油墨等，也可以是其他类似结构的软包装形式的油墨袋。
以具有防水包装层的包装袋为例：在使用时，需要先去掉防水包装层，然后将纸质包装层暴露在最外层的油墨软包装袋由两根压辊23的下方插入两根压辊23间。第一油墨袋检测装置对两根压辊23的下方置入物体进行探测。当探测到时，第一油墨袋检测装置23产生感应信号发送给压辊驱动电机，带动两根压辊23转动预设角度，例如540°或720°等，将软包装油墨袋30的 底端夹入两根压辊23之间。由于两根压辊23之间的压力作用，夹入的油软包装油墨袋30不会从两根压辊23之间掉落出。
在具体的应用中，第一油墨袋检测装置可以采用光电传感器，也可以采用机械传感器。
在软包装油墨袋30夹入两根压辊23之后，即进入待机状态。
在待机状态下，温度传感器14时时或按照设定时间间隔对储墨桶1内的油墨温度进行检测，并温度检测信号发送给主控电路板19；主控电路板19根据温度检测信号确定油墨温度是否低于设定值，当温度低于设定时，产生控制信号控制加热装置15对储墨桶1加热。此外，还可以同时控制出墨管5外环绕的加热管21对出墨管5也进行加热。
在待机状态下，通过液面检测传感器18对桶体11内的油墨液面高度进行时时或定时检测，生成控制开启或关闭油墨软包装挤压装置2的液面高度检测信号，发送给主控电路板19。如果桶体11内的油墨液面高度低于设定最低高度时，主控电路板19控制启动油墨软包装挤压装置2将软包装油墨袋30中的油墨挤出，注入储墨桶1中。
软包装油墨袋30中的油墨一次性全部组合如到储墨桶1中，从而避免软包装油墨袋30中的油墨无法一次加注完毕，残存油墨干燥在软包装油墨袋30中造成浪费的问题，同时也可以在一次性加注完毕后，就可以对软包装油墨袋30进行环保回收处理。具体的，通过压辊驱动电机控制两根压辊23反转，将软包装油墨袋30由两根压辊23之间退出。
此外，通过运动供墨支架10上设置的油墨存量传感器对墨池20内的液面高度进行探测，并将探测信号发送给主控电路板19。当液面高度低于设定液面高度时，主控电路板19生成油墨注入控制信号发送给主控电路板19控制油墨泵4开启工作,同时驱动平台驱动电机与油墨泵4联动工作，将储墨桶1中的油墨泵入墨池20中。在油墨泵4启动的同时，主控电路板19控制启动第一电磁阀161使氮气由氮气管道16进入储墨桶1，同时启动第二电磁阀171 使储墨桶1内多余气体排出，使得在将油墨注入墨池20过程中，储墨桶1内压力维持常压。
在注墨过程中，油墨存量传感器继续对墨池20内的液面高度进行探测，并将探测信号发送给主控电路板19。当液面高度高于设定最高液面高度时，主控电路板19生成停止注入控制信号发送给主控电路板19控制油墨泵4停止工作，同时平台驱动电机驱动控制第一运动平台8复位到初始位置。
除此之外，操作人员通过操作操作面板21，可以控制软包装油墨袋30的安装、退出、注墨等操作，还可以控制对加热装置15和加热管的加热与停止。通过操作面板21，操作人员还可以查看自动供墨系统的各种运行参数、检测温度、注墨速度等等，提供了便捷的人机交互界面。
本发明实施例提供的基于软包装油墨的中转式自动供墨系统，采用袋装油墨，进行自动化的油墨挤出，避免人工操作的繁琐；利用储墨桶作为中转存储设备，使得袋装油墨能够一次性全部挤出，有利于油墨包装物的环保回收；根据所提供的人机交互和自动检测相结合，实现油墨的按需注墨；通过对储墨桶的温度控制和油墨传输管道的温度控制，使得油墨不易干燥，减少了设备的人工维护量，降低了故障发生率，提高了工作效率。
专业人员应该还可以进一步意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，能够以电子硬件、计算机软件或者二者的结合来实现，为了清楚地说明硬件和软件的可互换性，在上述说明中已经按照功能一般性地描述了各示例的组成及步骤。这些功能究竟以硬件还是软件方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本发明的范围。
结合本文中所公开的实施例描述的方法或算法的步骤可以用硬件、处理器执行的软件模块，或者二者的结合来实施。软件模块可以置于随机存储器(RAM)、内存、只读存储器(ROM)、电可编程ROM、电可擦除可编程ROM、 寄存器、硬盘、可移动磁盘、CD-ROM、或技术领域内所公知的任意其它形式的存储介质中。
以上所述的具体实施方式，对本发明的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上所述仅为本发明的具体实施方式而已，并不用于限定本发明的保护范围，凡在本发明的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种基于软包装油墨的中转式自动供墨系统，其特征在于，所述自动供墨系统包括：
    储墨桶(1)，为壁挂式的储墨桶或台式的储墨桶，安装于印刷机的墨池(20)一侧；所述储墨桶(1)包括保温罩(13)、温度传感器(14)、加热装置(15)、进气口和排气口；其中所述保温罩(13)包覆于所述储墨桶(1)外侧；所述温度传感器(14)设置于所述储墨桶(1)上，对所述储墨桶(1)内的油墨温度进行检测，并生成温度检测信号；所述加热装置(15)设置于所述储墨桶(1)下方，根据所述温度检测信号启动或停止所述加热装置(15)对所述储墨桶(1)加热；
    油墨软包装挤压装置(2)，设置于所述储墨桶(1)上方，通过挤压将软包装油墨袋(30)中的油墨挤出，注入所述储墨桶(1)中；
    油墨泵(4)，接于所述储墨桶(1)的底部，根据接收到的供墨控制信号启动，将所述储墨桶(1)中的油墨泵出，经出墨管(5)至供墨墨嘴(6)注入所述墨池(20)；所述油墨泵(4)与所述平台驱动电机联动；
    氮气管道(16)，接于所述进气口，通过所述氮气管道(16)向所述储墨桶(1)内充入氮气；所述氮气管道(16)的管路上设置有第一电磁阀(161)；所述第一电磁阀(161)与所述油墨泵(4)联动；
    排气管(17)，接于所述出气口，所述储墨桶(1)内的气体通过所述排气管排出；所述排气管(17)的管路上设置有第二电磁阀(171)；所述第二电磁阀(171)与所述油墨泵(4)联动；
    运动供墨支架(10)，包括横向导轨(7)、第一运动平台(8)和平台驱动电机；所述横向导轨(7)架设于所述墨池(20)上方，与所述墨池(20)中的墨斗辊(21)平行设置；所述第一运动平台(8)滑设于所述横向导轨(7)上，所述供墨墨嘴(6)安装于所述第一运动平台(8)上；所述第一运动平台(8)由所述平台驱动电机驱动，沿所述横向导轨(7)平行所述墨斗辊(21) 滑动；
    油墨存量传感器，设置于所述第一运动平台(8)上或者设置于所述墨池(20)中，对墨池(20)内的油墨液面高度进行检测；当检测所述墨池(20)内的油墨液面高度低于设定高度下限时，生成所述供墨控制信号，发送给所述油墨泵(4)。
  2. 根据权利要求1所述的自动供墨系统，其特征在于，所述自动供墨系统还包括：主控电路板(19)；
    所述主控电路板(19)与所述温度传感器(14)、加热装置(15)、油墨软包装挤压装置(2)、平台驱动电机、油墨存量传感器、油墨泵(4)、第一电磁阀(161)和第二电磁阀(171)中的一个或多个相连接。
  3. 根据权利要求2所述的自动供墨系统，其特征在于，所述自动供墨系统还包括：操作面板(21)；
    所述操作面板(21)与所述主控电路板(19)相连接，所述操作面板(21)接收用户输入的指令信息，生成相应的操作信号发送给所述主控电路板(19)；
    所述主控电路板(19)根据所述操作信号生成相应的控制信号，控制所述加热装置(15)、油墨软包装挤压装置(2)、平台驱动电机、油墨泵(4)、第一电磁阀(161)和第二电磁阀(171)中的一个或多个，或者根据所述操作信号获取相应的数据返回给所述操作面板(21)并显示；所述数据包括：温度数据、油墨液面高度数据或设备运行数据中的一种或多种。
  4. 根据权利要求3所述的自动供墨系统，其特征在于，所述用户输入的指令信息为供油墨量信息；所述操作面板(21)根据所述供油墨量信息生成相应信号发送给所述主控电路板(19)，所述主控电路板控制启动所述油墨泵(4)以第一泵速工作第一时段，并启动第一电磁阀(161)使氮气由氮气管道(16)进入所述储墨桶(1)，同时启动第二电磁阀(171)使所述储墨桶(1)内多余气体排出，使得在将油墨注入所述墨池(20)过程中，所述储墨桶(1)内压力维持常压。
  5. 根据权利要求1所述的自动供墨系统，其特征在于，所述自动供墨系统还包括：液面检测传感器(18)；所述储墨桶(1)包括：桶体(11)和桶盖(12)；
    所述液面检测传感器(18)设置于所述桶盖(12)上，对所述桶体(11)内的油墨液面高度进行检测，并生成控制开启或关闭所述油墨软包装挤压装置(2)的液面高度检测信号。
  6. 根据权利要求5所述的自动供墨系统，其特征在于，所述进气口和排气口设置于所述桶体(11)上端的桶壁，或者设置与所述桶盖(12)上。
  7. 根据权利要求1所述的自动供墨系统，其特征在于，所述出墨管(5)外环绕有加热管(21)；
    所述加热管(21)对所述出墨管(5)中传输的油墨进行加热保温。
  8. 根据权利要求1所述的自动供墨系统，其特征在于，所述油墨软包装挤压装置(2)包括压辊驱动电机(22)和两根平行设置的压辊(23)；所述两根压辊(23)在同侧的一端具有同步齿合齿轮，其中一根压辊由所述压辊驱动电机(22)驱动，通过所述同步齿合齿轮带动另一根压辊相向同步转动；
    软包装油墨袋(30)底部向上、袋口(31)向下呈悬挂状，挤压于所述两根压辊(23)之间；所述软包装油墨袋(30)随所述两根压辊的相向同步转动改变在所述两根压辊(23)之间的高度位置，从而将软包装油墨袋(30)中的油墨挤出至所述储墨桶(1)中。
  9. 根据权利要求8所述的自动供墨系统，其特征在于，所述油墨软包装挤压装置(2)还包括第一油墨袋检测装置、第二油墨袋检测装置、墨袋下口检测传感器、推杆电机和支架(25)；
    所述第一油墨袋检测装置检测到插入所述两根压辊(23)下方的软包装油墨袋(30)时，产生第一感应信号发送给所述压辊驱动电机(22)，驱动所述两根压辊(23)分别相向旋转预设角度，将所述软包装油墨袋(30)的底端夹入所述两根压辊(22)之间；
    推杆电机接收主控电路板(19)发送的控制信号控制支架(25)推送油墨软包装挤压装置(2)提升到储墨桶(1)上方的初始位置；
    在油墨挤出至储墨桶(1)过程中，通过墨袋下口检测传感器感应软包装油墨袋(30)的位置变化，主控电路板(19)接收墨袋下口检测传感器的信号，相应生成控制信号发送给推杆电机，控制支架(25)带动油墨软包装挤压装置(2)相应的不断下降，使得软包装油墨袋(30)的出墨口位置到储墨桶(1)的相对位置保持不变；
    在所述油墨挤出的过程中，所述第二油墨袋检测装置对所述软包装油墨袋(30)进行检测，当检测到所述软包装油墨袋(30)的底端到达设定位置时，生成第二感应信号发送给所述压辊驱动电机(22)，停止驱动所述两根压辊(23)继续转动；
    推杆电机接收主控电路板(19)发送的控制信号，移动支架(25)到待机位置，使得油墨软包装挤压装置(2)置于储墨桶(1)的一侧。
  10. 根据权利要求1所述的自动供墨系统，其特征在于，所述自动供墨系统还包括：注墨口保护装置(24)；
    所述注墨口保护装置(24)设置于所述运动供墨支架(10)的一端，包括：堵头(241)、密封圈(242)、弹簧(243)、电磁铁(244)、氮气管(245)和第三电磁阀(246)；
    所述密封圈(242)置于堵头(241)的顶端；所述弹簧(243)与所述堵头(241)的底部相连接，所述电磁铁(244)设置于所述堵头(241)的下方；所述第三电磁阀(246)设置于所述氮气管(245)上，所述氮气管(245)与所述堵头(241)相连通；
    当每次注墨结束，所述平台驱动电机驱动第一运动平台(8)运动到所述一端，所述供墨墨嘴(6)到达预设位置时，所述第三电磁阀(246)打开，氮气由所述氮气管(245)通至所述堵头(241)，所述电磁铁(244)断电，所述堵头(241)由弹簧(243)上推至与所述供墨墨嘴(6)相接，并通过所 述密封圈(242)形成密闭连接，之后所述第三电磁阀(246)关闭。
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