CN212533429U - Automatic dye metering machine and automatic dye liquor distribution system - Google Patents

Abstract

The utility model provides an automatic dye metering machine, which comprises a metering machine and a PLC metering control system for controlling the operation of the metering machine, wherein the metering machine comprises a frame, a liquid return pipe, a liquid inlet pipe, a high-precision multi-stage distribution valve and a weighing cylinder; the top of frame is passed through the fixed liquid return pipe of pipeline fixed beam and is gone into the liquid pipe, and the fixed valve fixed plate that is provided with in intermediate position of frame, and high accuracy multi-stage distribution valve fixed mounting is on the valve fixed plate, and liquid return pipe and liquid inlet pipe pass through the hose and are connected with high accuracy multi-stage distribution valve, and the jar fixed mounting that weighs is in the bottom of frame, and is located the below of high accuracy multi-stage distribution valve. The utility model has the advantages of rapid color matching and high-precision control; meanwhile, when the automatic dye liquor distribution system is used for production, the production efficiency is greatly improved, the product quality is ensured, and the environmental pollution is reduced.

Description

Automatic dye metering machine and automatic dye liquor distribution system

Technical Field

The utility model belongs to the technical field of the fabric dyeing and finishing, especially, relate to a dyestuff automatic measurement machine and automatic delivery system of dye liquor.

Background

The dyeing and finishing industry of fabrics in China is an important industry for economic development, and the productivity and the yield always occupy the top of the world. Along with the improvement of living standard of people, the quality requirement of consumers on fabric dyeing and finishing is higher and higher, and dyeing and finishing enterprises also put forward higher requirements on product quality and product efficiency, especially the quality control of the production process, put forward higher requirements on the automation and intellectualization of production equipment.

In the dyeing process of the conventional fabric, the dye liquor is manually metered and fed, and the defects of high rejection rate of dyed and finished fabric and inconsistent color batch caused by insufficient metering precision and incapability of recording deviation generated in metering exist in the manual metering process; the manual feeding process has the problems of low production efficiency, high labor intensity and wrong feeding. The dosage is too much due to the fact that the dosage cannot be accurately judged in the manual metering process, and waste is generated when the dosage is not used, so that water body pollution is caused.

Aiming at the problems in the prior dyeing process, an automatic dye liquor distribution system is urgently needed, the whole process flow of automatically metering, automatically dissolving and distributing dye liquor to a dyeing machine table is solved, the production efficiency is improved, the product quality is improved, and the pollution is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model provides an automatic dye metering machine and an automatic dye liquor distribution system, wherein the automatic dye metering machine has the advantages of rapid color matching and high-precision control; meanwhile, when the automatic dye liquor distribution system is used for production, the production efficiency is greatly improved, the product quality is ensured, and the environmental pollution is reduced.

In order to solve the technical problem, the utility model discloses a technical scheme is: an automatic dye metering machine comprises a metering machine and a PLC metering control system for controlling the operation of the metering machine, wherein the metering machine comprises a rack, a liquid return pipe, a liquid inlet pipe, a high-precision multi-stage distribution valve and a weighing cylinder; the top of frame is passed through the fixed liquid pipe and the inlet line of returning of pipeline fixed beam, the fixed valve fixed plate that is provided with in intermediate position of frame, high accuracy multi-stage distribution valve fixed mounting be in on the valve fixed plate, return liquid pipe and inlet line pass through the hose with high accuracy multi-stage distribution valve is connected, weigh jar fixed mounting in the bottom of frame, and be located the below of high accuracy multi-stage distribution valve.

In this technical scheme, liquid return pipe and inlet tube all are connected with dyestuff storage tank and high accuracy multi-stage distribution valve, wherein the dye liquor in the dyestuff storage tank flows into the high accuracy multi-stage distribution valve by the inlet tube feed liquor through the pipeline, add the jar of weighing by high accuracy multi-stage distribution valve control in, and weigh the jar at any time to the dye liquor of adding, the dyestuff that adds needs multiple dye liquor to mix the preparation because of the difference, add order and the interpolation velocity of flow and the flow of different dye liquors by high accuracy multi-stage distribution valve control, weigh the jar at any time and are indelible with the dye liquor of guaranteeing to add, and then guarantee that the colour of final dyestuff is unanimous, guarantee product quality.

Further, the high-precision multistage distribution valve comprises a distribution valve shell and a lifting cylinder arranged inside the distribution valve shell; open on the lateral wall of distribution valve case and have into liquid mouth and liquid return mouth, open the bottom of distribution valve case has the liquid outlet, the liquid outlet includes outer loop liquid outlet and inner ring liquid outlet, the inner ring liquid outlet sets up in the inside of outer loop liquid outlet, be provided with the outer loop sealing block who is used for blockking up the inner ring sealed head of inner ring liquid outlet and is used for blockking up the outer loop liquid outlet on the piston rod of lift cylinder, the lift cylinder with PLC measurement control system electric connection.

In the technical scheme, dye liquor enters from a liquor inlet, flows out from an inner ring liquor outlet and an outer ring liquor outlet and is added into a weighing cylinder; the lifting cylinder is a double-stroke cylinder, when the lifting cylinder extends to a first stroke end point, the inner ring sealing head closes the inner ring liquid outlet, only the outer ring liquid outlet discharges liquid at the moment, when the lifting cylinder extends to a second stroke end point, the outer ring sealing block closes the outer ring liquid outlet, and the liquid discharge is stopped at the moment; when the lifting cylinder is shortened to the shortest, the outer ring liquid outlet and the inner ring liquid outlet are opened simultaneously, the liquid outlet reaches the maximum flow at the moment, so that the control of the flow and the flow speed can be realized, meanwhile, the dripping can be realized by controlling the first stroke of the lifting cylinder to do reciprocating action, and the quick dripping and the slow dripping can be realized by controlling the frequency of the action of the lifting cylinder, so that the high-precision distribution process is realized. In addition, the liquid return port is communicated with the dye storage tank through the liquid return pipe, so that when the dye is not dripped, the liquid inlet pipe, the high-precision multi-stage distribution valve and the liquid return pipe form a circulation passage, the liquid can be circulated at intervals, and the dye in the dye storage tank is prevented from precipitating to cause color difference.

Further, the weighing cylinder comprises a stainless steel cylinder body and a high-precision electronic scale, and the high-precision electronic scale is electrically connected with the PLC metering control system; the high-precision electronic scale is fixedly arranged at the bottom of the rack, and the stainless steel cylinder body is arranged on the high-precision electronic scale through the weighing cylinder supporting legs.

In the technical scheme, the high-precision electronic scale is used for metering the mass of the dye liquor added into the stainless steel cylinder body, transmitting the mass of the dye liquor to the PLC metering control system, and matching with the high-precision multistage distribution valve to realize quantitative distribution.

Furthermore, the top of the stainless steel cylinder body is open and located at the bottom of a liquid outlet of the high-precision multi-stage distribution valve, the bottom of the stainless steel cylinder body is reduced in diameter and communicated with a feeding pipe, a manual butterfly valve, a blowing valve and an automatic discharging valve are mounted on the feeding pipe respectively, the top of the stainless steel cylinder body is communicated with a cylinder body cleaning pipeline, a cylinder body angle seat valve is arranged on the cylinder body cleaning pipeline, and the automatic discharging valve, the blowing valve and the cylinder body angle seat valve are all electrically connected with the PLC metering control system.

Furthermore, a plurality of high-precision multi-stage distribution valves in the metering machine are respectively communicated with different liquid return pipes and liquid inlet pipes, and the different liquid inlet pipes and the different liquid return pipes are respectively communicated with different dye storage tanks; and the PLC metering control system is electrically connected with a metering computer for operation input.

In the technical scheme, in general, one formula consists of a plurality of dye liquids, and a PLC metering control system can finish the distribution of the plurality of dye liquids one by one, so that the weighing target value is reached, and the preparation of the target color is finished; in the process, the dye liquids in different dye storage tanks are sequentially controlled and dripped by the communicated high-precision multistage distribution valves, and are weighed by a high-precision electronic scale, so that high-precision preparation is finally realized.

An automatic dye liquor distribution system comprises a dye material melting module, an alkali liquor distribution module, an automatic dye metering machine and a dye liquor conveying module.

In the technical scheme, the dye material module dissolves powder dye into liquid dye according to a certain water-powder ratio, and then the liquid dye is stored in a dye storage tank; the alkali liquor distribution module measures finished alkali liquor in the alkali liquor storage tank through an alkali liquor electromagnetic flow meter according to the required weight, and conveys the measured finished alkali liquor to a required dye vat, namely a first dye vat or a second dye vat; the automatic dye metering machine automatically performs high-precision distribution according to the formula weight to prepare a target dye solution; and the dye liquor conveying module conveys the prepared dye liquor into a final dye vat through a conveying pipeline according to the order, so that the automatic distribution of the dye liquor is realized. The automatic distribution system organically combines the material melting, quantitative distribution and centralized distribution of the powder dye together, and realizes the automation and intellectualization of dye liquor distribution to the greatest extent.

Furthermore, the dyeing material module comprises a PLC material control system, a material melting device, a material melting filter and a dye storage tank, wherein the PLC material melting control system is electrically connected with a material melting control computer for input operation, the material melting device is provided with a feed inlet and communicated with a water inlet pipe, and the water inlet pipe is provided with an electromagnetic water inlet flowmeter for controlling water quantity; the discharge end of changing the glassware passes through the feed end of pipe connection change material filter, the discharge end of changing the material filter is connected with the dyestuff storage tank through last glassware, the discharge end of dyestuff storage tank has the dyestuff filter through dyestuff distribution delivery pump intercommunication, the discharge end of dyestuff filter with the inlet tube intercommunication in the dyestuff automatic metering machine, the liquid return pipe in the dyestuff automatic metering machine passes through the top of pipeline intercommunication dyestuff storage tank, water inlet electromagnetic flowmeter and dyestuff distribution delivery pump with PLC changes the material control system electricity and connects.

In the technical scheme, the PLC material melting control system is used for controlling corresponding devices in the dye material melting module to operate, wherein the chemical material melting control computer is used for inputting instructions; firstly, adding powder dye into a chemical material device, then adding corresponding water according to a water-powder ratio set in a PLC control system, measuring the amount of the added water by a water inlet electromagnetic flowmeter, feeding back to the PLC chemical material control system, stopping adding after the corresponding amount of water is added, and then forming liquid dye in the chemical material device; then the liquid dye is conveyed to a dye storage tank for storage and standby after sequentially passing through a material melting filter and a material loading device; in the material melting process, the proportion of the added powder can be controlled by a PLC material melting control system in the whole process, the metering precision is ensured, and the labor is saved. Wherein, be provided with a plurality of dyestuff storage tank, be used for storing the dyestuff of different colours respectively. The dye storage tank is communicated with a metering machine in the automatic dye metering machine through a pipeline, wherein the dye storage tank is respectively communicated with a liquid inlet pipe and a liquid return pipe of the metering machine, and the liquid inlet pipe and the liquid return pipe are respectively connected with a liquid inlet and a liquid return port of the high-precision multi-stage distribution valve, so that the dye storage tank and the high-precision multi-stage distribution valve can realize a circulation loop; when the dye liquor is no longer added to the weighing tank by the high-precision multi-stage distribution valve, the valve on the liquor return pipe can be opened to prevent the uneven color of the dye liquor in the dye liquor storage tank, so that the dye liquor enters the high-precision multi-stage distribution valve from the dye liquor storage tank through the liquor inlet pipe and returns to the dye liquor storage tank through the liquor return pipe, one-time circulation is carried out at intervals, and the dye liquor in the dye liquor storage tank can be effectively prevented from being layered or deposited to cause the uneven color of the dye liquor inside.

Furthermore, the automatic dye liquor conveying module comprises a dye vat terminal operating platform, a first dye vat, a second dye vat, a cleaning water pipeline, a conveying pipeline, a dye liquor sending pump and a dye liquor electromagnetic flowmeter; the automatic dye metering machine comprises a conveying pipeline, a dye liquor sending pump, a dye liquor transparent window, a dye liquor electromagnetic flow meter and an electromagnetic blow-down valve, wherein a feeding pipe and a cleaning water pipeline of the automatic dye metering machine are communicated with the conveying pipeline through a first pneumatic three-way valve; the dye liquor electromagnetic flow meter, the first pneumatic three-way valve, the dye liquor sending pump, the second pneumatic three-way valve and the electromagnetic blow-down valve are all electrically connected with the dye vat terminal operating platform.

In the technical scheme, the dye vat terminal operating console directly controls the operation of each device in the dye liquor automatic conveying module, and the operating console can directly perform instruction input operation; dye liquor prepared in the metering machine sequentially passes through the feeding pipe and the conveying pipeline under the action of the dye liquor sending pump, and is respectively input into the first dye vat or the second dye vat through the first feeding pipeline or the second feeding pipeline; the process is carried out under the control of a PLC, and the conveying can be realized only by carrying out an operation instruction at a dye vat terminal operating platform, so that the labor is saved, and the distribution precision is controlled; when the required dye liquor amount is conveyed, a cleaning water pipeline is communicated with the conveying pipeline to clean the conveying pipeline, the first feeding pipeline or the second feeding pipeline, meanwhile, the cleaned water is injected into the first dye vat or the second dye vat, the flow of the added water is measured by a dye liquor electromagnetic flow meter, and when the cleaning water amount in a system of a dye vat terminal operating platform is exceeded, the redundant cleaning water is discharged by the conveying pipeline where the electromagnetic blow-down valve is located; the PLC control can realize accurate preparation and conveying.

Furthermore, the alkali liquor distribution module comprises an alkali storage tank, the alkali storage tank is connected with an alkali liquor delivery pump through an alkali liquor discharge pipe, an alkali liquor discharge valve is arranged on the alkali liquor discharge pipe, the alkali liquor delivery pump is communicated with an alkali liquor delivery pipeline, and a one-way check valve, an alkali liquor electromagnetic flow meter and an alkali liquor blow-down valve are sequentially arranged on the alkali liquor delivery pipeline; the alkali liquor conveying pipeline is communicated with an alkali liquor feeding pipeline through a fourth pneumatic three-way valve, and the alkali liquor feeding pipeline is communicated with the first dye vat and the second dye vat; the alkali liquor discharge valve, the alkali liquor delivery pump, the alkali liquor electromagnetic flow meter, the alkali liquor blow-down valve and the fourth pneumatic three-way valve are electrically connected with the dye vat terminal operating platform.

In the technical scheme, devices in the alkali liquor distribution module are controlled to run by the dye terminal operating platform, wherein alkali liquor is input into the first dye vat or the second dye vat from the alkali storage tank through the alkali liquor discharge pipe, the alkali liquor conveying pipeline and the alkali liquor feeding pipeline under the action of an alkali liquor conveying pump according to the alkali liquor amount specified by different orders in the system, wherein the added alkali liquor amount is measured by the alkali liquor electromagnetic flowmeter and fed back to the dye terminal operating platform, when the required amount is reached, the alkali liquor conveying pump and the alkali liquor discharging valve are controlled to be closed, when the alkali liquor in the pipeline is excessive, the fourth pneumatic three-way valve can be changed to be led in, and the redundant alkali liquor is discharged from a passage where the alkali liquor discharging valve is located.

Furthermore, the metering computer, the chemical material control computer and the dye vat terminal operating platform are connected through a network, so that data transmission among the PLC metering control system, the PLC chemical material control system and the dye vat terminal operating platform is realized.

In this technical scheme, PLC measurement control system, PLC material control system and dye vat terminal operation platform communicate each other, can the operation of each step of visual observation, provide the preparation for operation on next step, make the information synchronous simultaneously, prevent to make mistakes, and then guarantee final product quality.

The utility model has the advantages and positive effects that:

1. the utility model discloses a dyestuff automatic weighing machine is provided with the speed and the flow that dropwise add dye liquor can be controlled to the multistage distribution valve of high accuracy, sets up the weight of high accuracy electronic scale to the dye liquor of adding effectual weighing, can calculate the addition at any time, and PLC measurement control system controls in addition, can realize the preparation of different colour dyestuff, and can guarantee that the dyestuff colour that carries out production is unanimous in same prescription different batches, improves product quality, the production line normal production of being convenient for.

2. The utility model discloses an automatic dye liquor distribution system comprises four parts, namely a dye material melting module, an alkali liquor distribution module, an automatic dye metering machine and a dye liquor conveying module, wherein the four parts organically combine the material melting, quantitative distribution and centralized distribution of powder fuel together to realize the automation and intellectualization of dye liquor distribution; the whole system is controlled by a PLC computer, so that automatic ordering production, intelligent calculation, distribution and cleaning can be completed without interruption, a large amount of labor is saved, and the production efficiency is improved; different dyes are mixed by adopting an automatic dye metering machine to finally prepare corresponding products, so that the colors of the dyes produced in different batches of the same formula can be ensured to be consistent, and the product quality is improved; meanwhile, the system reduces the waste of raw materials and the pollution.

Drawings

FIG. 1 is a schematic structural diagram of an automatic dye metering machine according to the present invention;

FIG. 2 is a schematic diagram of the mechanism of the high-precision multi-stage distribution valve of the present invention;

FIG. 3 is an enlarged view of the structure A of FIG. 2;

FIG. 4 is a schematic structural view of a weighing cylinder of the present invention;

FIG. 5 is a control block diagram of the automatic dye metering machine of the present invention;

FIG. 6 is a first schematic structural view of an automatic dye liquor distribution system of the present invention;

FIG. 7 is an enlarged view of the dye compound module of FIG. 6;

FIG. 8 is an enlarged view of the lye distribution module of FIG. 6;

FIG. 9 is an enlarged view of the dye liquor delivery module of FIG. 6;

FIG. 10 is a control block diagram of the automatic dye liquor distribution system of the present invention;

FIG. 11 is a schematic structural view of an automatic dye liquor distribution system according to the present invention;

in the figure: 1-metering machine, 11-frame, 12-liquid return pipe, 13-liquid inlet pipe, 14-high-precision multi-stage distribution valve, 141-distribution valve shell, 1411-liquid inlet, 1412-liquid return port, 1413-outer ring liquid outlet, 1414-inner ring liquid outlet, 142-lifting cylinder, 1421-inner ring sealing head, 1422-outer ring sealing block, 15-weighing cylinder, 151-stainless steel cylinder body, 152-high-precision electronic scale, 153-weighing cylinder supporting leg, 154-feeding pipe, 155-air blowing valve, 156-automatic discharging valve, 157-manual butterfly valve, 158-cylinder angle seat valve, 16-pipeline fixing beam, 17-valve fixing plate, 18-hose; 2-PLC metering control system, 3-dyestuff module, 31-PLC dyestuff control system, 32-dyestuff device, 33-dyestuff filter, 34-dyestuff storage tank, 35-loading device, 36-dyestuff distribution delivery pump, 37-dyestuff filter, 38-water inlet electromagnetic flowmeter, 4-lye distribution module, 401-lye storage tank, 402-lye delivery pump, 403-one-way check valve, 404-lye electromagnetic flowmeter, 405-lye drain valve, 406-lye discharge pipe, 407-lye delivery pipe, 408-lye discharge valve, 409-lye feed pipe, 410-fourth pneumatic three-way valve, 5-lye delivery module, 501-dyeing vessel terminal console, 502-first dyeing vessel, 503-second dyeing vessel, 504-cleaning water pipeline, 505-conveying pipeline, 506-dye liquor sending pump, 507-dye liquor electromagnetic flowmeter, 508-first pneumatic three-way valve, 509-dye liquor transparent window, 510-electromagnetic blow-down valve, 511-second pneumatic three-way valve, 512-first feeding pipeline, 513-second feeding pipeline.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

As shown in fig. 1-5, an automatic dye metering machine comprises a metering machine 1 and a PLC metering control system 2 for controlling the operation of the metering machine 1, wherein the metering machine 1 comprises a frame 11, a liquid return pipe 12, a liquid inlet pipe 13, a high-precision multi-stage distribution valve 14 and a weighing cylinder 15; the frame 11 is used for fixing a liquid return pipe 12, a liquid inlet pipe 13, a high-precision multi-stage distribution valve 14 and a weighing cylinder 15; the top of the frame 11 is fixed with a liquid return pipe 12 and a liquid inlet pipe 13 through a pipeline fixing beam 16, the middle position of the frame 11 is fixedly provided with a valve fixing plate 17, the high-precision multistage distribution valve 14 is fixedly installed on the valve fixing plate 17, the liquid return pipe 12 and the liquid inlet pipe 13 are connected with the high-precision multistage distribution valve 14 through a hose 18, and the weighing cylinder 15 is fixedly installed at the bottom of the frame 11 and is located below the high-precision multistage distribution valve 14. The high-precision multistage distribution valve 14 can generate multistage flow rates such as high-speed flow rate, low-speed flow rate, dripping flow rate and the like, so that high-precision dripping can be realized; the added dye liquor is weighed by combining the weighing cylinder 15, the adding amount of each dye liquor is controlled, so that high-precision distribution is realized, the color consistency of the final finished dye liquor in the same batch can be realized, the final target amount is not greatly different, waste is prevented, and compared with manual operation, the time is saved, the efficiency is improved, and the product quality can be ensured.

As shown in fig. 2 and 3: in the present embodiment, the high-precision multistage distribution valve 14 includes a distribution valve housing 141 and a lift cylinder 142 provided inside the distribution valve housing 141; a liquid inlet 1411 and a liquid return 1412 are formed in the side wall of the distribution valve housing 141, a liquid outlet is formed in the bottom of the distribution valve housing 141, the liquid outlet includes an outer ring liquid outlet 1413 and an inner ring liquid outlet 1414, dye liquid enters the distribution valve housing 141 from the liquid inlet 1411 through a liquid inlet pipe 13 and a hose 8, and then flows out of the outer ring liquid outlet 1413 and the inner ring liquid outlet 1414 into the weighing cylinder 15 for color matching under the action of gravity; the inner ring liquid outlet 1414 is arranged inside the outer ring liquid outlet 1413, an inner ring sealing head 1421 for blocking the inner ring liquid outlet 1414 and an outer ring sealing block 1422 for blocking the outer ring liquid outlet 1413 are arranged on a piston rod of the lifting cylinder 142, and the lifting cylinder 142 is electrically connected with the PLC metering control system 2. The lifting cylinder 142 is a double-stroke cylinder, and when the lifting cylinder extends to a first stroke end, the inner ring sealing head 1421 closes the inner ring liquid outlet 1414, and only the outer ring liquid outlet 1413 discharges liquid at the time, which is a low flow rate; when the valve extends to the second stroke end, the outer ring sealing block 1422 closes the outer ring liquid outlet 1413, and liquid outlet is stopped; when the lifting cylinder 142 is shortened to the shortest, the outer ring liquid outlet 1413 and the inner ring liquid outlet 1414 are opened simultaneously, the liquid outlet reaches the maximum flow at this time, and the flow rate is high at this time, so that the flow rate and the flow rate can be controlled; meanwhile, the dripping can be realized by controlling the first stroke of the lifting cylinder 142 to do reciprocating action, and the quick dripping and the slow dripping can be realized by controlling the action frequency of the lifting cylinder 142, so that the high-precision dripping process is realized, the weighing cylinder 15 is combined for weighing, the high-precision distribution can be realized, the colors of the finally prepared dye solution are uniform, and the automatic control can ensure that the colors of the dye solution finished products in the same batch are uniform compared with the pure manual preparation.

As shown in fig. 4: in the embodiment, the weighing cylinder 15 comprises a stainless steel cylinder body 151 and a high-precision electronic scale 152, and the high-precision electronic scale 152 is electrically connected with the PLC metering control system 2; the stainless steel cylinder 151 is used for receiving various added dye solutions to mix and match colors, and the high-precision electronic scale 152 is used for metering the adding amount of each dye solution, so that each dye solution is controlled to be added along the system requirement, and high-precision distribution is guaranteed; high accuracy electronic scale 152 is fixed to be set up in the bottom of frame 11, and stainless steel cylinder body 151 sets up on high accuracy electronic scale 152 through weighing cylinder landing leg 153.

The top of the stainless steel cylinder 151 is open and located at the bottom of the liquid outlet of the high-precision multistage distribution valve 14, the bottom of the stainless steel cylinder 151 is reduced and communicated with a feed pipe 154, a manual butterfly valve 157, an air blowing valve 155 and an automatic discharging valve 156 are respectively installed on the feed pipe 154, the top of the stainless steel cylinder 151 is communicated with a cylinder cleaning pipeline, a cylinder angle seat valve 158 is arranged on the cylinder cleaning pipeline, and the automatic discharging valve 156, the air blowing valve 155 and the cylinder angle seat valve 158 are all electrically connected with the PLC metering control system 2. The feeding pipe 154 is used for conveying the dye liquor prepared in the metering machine 1, when the dye liquor in the stainless steel cylinder 151 is completely conveyed, the cylinder angle seat valve 158 can be opened, clear water is introduced into the cylinder cleaning pipeline to flush the stainless steel cylinder 151, then the stainless steel cylinder 151 is discharged through the dye liquor conveying module 5 along with the feeding pipe 154, the stainless steel cylinder 151 is cleaned, the next use is facilitated, and the influence of the residual dye liquor on color matching is prevented.

In addition, a plurality of high-precision multi-stage distribution valves 14 in the metering machine 1 are respectively communicated with different liquid return pipes 12 and liquid inlet pipes 13, and different liquid inlet pipes 13 and liquid return pipes 12 are respectively communicated with different dye storage tanks 34; the PLC metering control system 2 is electrically connected with a metering computer for operation input. Wherein, because a formulation is mostly prepared by several or more than ten kinds of dye liquors, a plurality of high-precision multistage distribution valves 14 in the metering machine 1 need to be arranged and are respectively communicated with different dye storage tanks 34 so as to be conveniently and normally used; when color matching is carried out, the PLC metering control system controls different dye solutions to be added in sequence, weighing is carried out by the high-precision electronic scale 152, high-precision distribution is achieved, and then target color preparation is completed.

The utility model provides a dyestuff automatic weighing machine is provided with high accuracy electronic scale 152 and weighs the dye liquor of adding, has high accuracy multistage distributing valve 14 to control the speed of adding simultaneously and adds the dye liquor, can realize the high accuracy distribution finally and be worth the dye liquor of final colour; the device can ensure that the color matching is consistent, save time and labor, control the preparation amount and reduce waste; the color of products produced in different batches under the same formula can be ensured to be consistent; the automatic dye liquor preparation device is convenient for automatic use of dye liquor preparation and can be better applied to a dye liquor automatic production system.

As shown in fig. 6-10: an automatic dye liquor distribution system comprises a dye material module 3, an alkali liquor distribution module 4, an automatic dye metering machine and a dye liquor conveying module 5. The dyeing material module 3 dissolves the powder dye into liquid dye according to a certain water-powder ratio, and then stores the liquid dye in the dye storage tank 34; the alkali liquor distribution module 4 measures the finished product alkali liquor in the alkali liquor storage tank 41 through an alkali liquor electromagnetic flow meter 404 according to the required weight, and conveys the measured finished product alkali liquor to the required dye vat, namely a first dye vat 502 or a second dye vat 503; the automatic dye metering machine automatically performs high-precision distribution according to the formula weight to prepare a target dye solution; the dye liquor conveying module 5 distributes the prepared dye liquor into the final dye vat through a conveying pipeline 505 according to the order, so that the automatic distribution of the dye liquor is realized. The automatic distribution system organically combines the material melting, quantitative distribution and centralized distribution of the powder dye together, and realizes the automation and intellectualization of dye liquor distribution to the greatest extent.

As shown in fig. 7: the dye material melting module 3 comprises a PLC material melting control system 31, a melting device 32, a melting filter 33 and a dye storage tank 34, wherein the PLC material melting control system 31 is electrically connected with a material melting control computer for input operation, the material melting control computer is used for inputting corresponding instructions to ensure normal operation, and meanwhile, the specific operation state of each device is observed so that the PLC material melting control system 31 can perform good control; the chemical material device 32 is provided with a feed inlet and communicated with a water inlet pipe, the water inlet pipe is provided with a water inlet electromagnetic flowmeter 38 for controlling water quantity, the feed inlet is used for adding powder dye, the adding quantity of water is determined according to the adding quantity of the powder dye and the proportion of water powder, the water inlet electromagnetic flowmeter 38 is used for measuring the adding quantity of the water and feeding the measured quantity of the added water back to the PLC chemical material control system 31 at any time, and when the specified value is reached, the PLC chemical material control system 31 controls a valve on the water inlet pipe to be closed and stops adding the water; the discharge end of the material melting device 32 is connected with the feed end of the material melting filter 33 through a pipeline, the discharge end of the material melting filter 33 is connected with a dye storage tank 34 through a material loading device 35, the discharge end of the dye storage tank 34 is communicated with a dye filter 37 through a dye distribution delivery pump 36, the discharge end of the dye filter 37 is communicated with a liquid inlet pipe 13 in the automatic dye metering machine, a liquid return pipe 12 in the automatic dye metering machine is communicated with the top of the dye storage tank 34 through a pipeline, and an inlet electromagnetic flowmeter 38 and the dye distribution delivery pump 36 are electrically connected with the PLC material melting control system 31. The chemical material filter 33 and the dye filter 37 are both used for filtering impurities, so that the impurities in the color matching dye solution are prevented from influencing the quality of a final product; the devices in the dye material melting module 3 are fully automatically controlled by a PLC material melting control system 31, valves therein are all electromagnetic valves, and the devices can be controlled and executed by the PLC material melting control system 31 after being input by a material melting control computer.

As shown in fig. 9: the automatic dye liquor conveying module 5 comprises a dye vat terminal operating platform 501, a first dye vat 502, a second dye vat 503, a cleaning water pipeline 504, a conveying pipeline 505, a dye liquor sending pump 506 and a dye liquor electromagnetic flow meter 507; the dye vat terminal operating platform 501 is used for controlling the operation of each device in the automatic dye liquor conveying module 5; a feeding pipe 154 and a cleaning water pipeline 504 of the automatic dye metering machine are communicated with a conveying pipeline 505 through a first pneumatic three-way valve 508, the conveying pipeline 505 and the feeding pipe 154 are communicated to convey dye liquor under the control of a dye vat terminal operating platform 501 through the first starting three-way valve 508, or the conveying pipeline 505 and the cleaning water pipeline 504 are communicated to clean the residual dye liquor in the conveying pipeline 505; the conveying pipeline 505 is sequentially provided with a dye liquor sending pump 506, a dye liquor transparent window 509, a dye liquor electromagnetic flow meter 507 and an electromagnetic blowdown valve 510, the dye liquor sending pump 506 is arranged between the dye liquor transparent window 509 and the first pneumatic three-way valve 508, and the dye liquor transparent window 509 is arranged to observe whether the conveying pipeline 505 is cleaned or not and whether dye liquor remains or not, so that color interference caused by next use is avoided; conveying pipeline 505 is respectively communicated with a first feeding pipeline 512 and a second feeding pipeline 513 through a second pneumatic three-way valve 511, the first feeding pipeline 512 and the second feeding pipeline 513 are respectively communicated with a first dye vat 502 and a second dye vat 503, and two second pneumatic three-way valves 511 are arranged, wherein one of the two second pneumatic three-way valves 511 is arranged between the first feeding pipeline 512 and the conveying pipeline 505, and the other one of the two second pneumatic three-way valves 511 is arranged between the second feeding pipeline 503 and the conveying pipeline 505; the dye liquor electromagnetic flow meter 507, the first pneumatic three-way valve 508, the dye liquor sending pump 506, the second pneumatic three-way valve 511 and the electromagnetic blow-down valve 510 are all electrically connected with the dye vat terminal operating platform 501.

As shown in fig. 8: the alkali liquor distribution module 4 comprises an alkali storage tank 401, the alkali storage tank 401 is connected with an alkali liquor delivery pump 402 through an alkali liquor discharge pipe 406, an alkali liquor discharge valve 408 is arranged on the alkali liquor discharge pipe 406, the alkali liquor delivery pump 402 is communicated with an alkali liquor delivery pipeline 407, and a one-way check valve 403, an alkali liquor electromagnetic flow meter 404 and an alkali liquor blow-down valve 405 are sequentially arranged on the alkali liquor delivery pipeline 407; the alkali liquor conveying pipeline 407 is communicated with an alkali liquor feeding pipeline 409 through a fourth pneumatic three-way valve 410, and the alkali liquor feeding pipeline 409 is communicated with the first dye vat 502 and the second dye vat 503; the alkali liquor discharging valve 408, the alkali liquor delivery pump 402, the alkali liquor electromagnetic flow meter 404, the alkali liquor blow-down valve 405 and the fourth pneumatic three-way valve 410 are electrically connected with the dye vat terminal operating platform 501. The devices in the alkali liquor distribution module 4 are controlled by a dye terminal console 501 to operate, wherein alkali liquor is input into a first dye vat 502 or a second dye vat 503 from an alkali storage tank 401 through an alkali liquor discharge pipe 406, an alkali liquor conveying pipeline 407 and an alkali liquor feeding pipeline 409 under the action of an alkali liquor conveying pump 402 according to the alkali liquor amount specified by different orders in the system, wherein the added alkali liquor amount is measured by an alkali liquor electromagnetic flow meter 404 and fed back to the dye terminal console 501, and when the required amount is reached, the alkali liquor conveying pump 402 and an alkali liquor discharge valve 408 are controlled to be closed; when the alkali liquor in the pipeline is excessive, the fourth pneumatic three-way valve 410 can be changed to be communicated, and the redundant alkali liquor is discharged from the passage where the alkali liquor drainage valve 405 is located.

Referring to fig. 10, the metering computer is connected with the chemical material control computer and the dye vat terminal console through a network to realize data transmission between the PLC metering control system 2 and the PLC chemical material control system 31 and the dye vat terminal console 501. PLC measurement control system 2, PLC material control system 31 and dye vat terminal operation panel 501 communicate each other, can the operation of each step of visual observation, provide the preparation for operation on next step, make the information synchronous simultaneously, prevent to make mistakes, and then guarantee final product quality.

Fig. 6-9 are only schematic diagrams of the flow of the system, and since a finished dye is mostly prepared from several or more than ten or even more than ten dye liquids with different colors, a metering machine 1 thereof needs to be provided with a plurality of high-precision multi-stage distribution valves 14, which are respectively communicated with different dye storage tanks 34 in a dye material module 3, and each dye storage tank 34 stores a liquid dye with one color, so as to facilitate the preparation at any time; and can set up two or many production distribution lines simultaneously, every distribution line is furnished with a dye liquor automatic measurement machine and dye liquor transport module 5 in order to realize that a plurality of lines use simultaneously, be convenient for increase output, improve production efficiency, as shown in fig. 11 for having 16 dyestuff storage tanks 34 and the automatic distribution system of dye liquor of two production distribution lines, two production lines can produce the dyestuff of different prescriptions, also can produce the dyestuff of same prescription simultaneously, full automatic control production, save a large amount of manual works, improve production efficiency simultaneously.

The utility model discloses an automatic delivery system of dye liquor is when using:

referring also to FIGS. 6-11: the automatic dye liquor distribution system comprises a dye material module 3, an alkali liquor distribution module 4, an automatic dye metering machine and a dye liquor conveying module 5, wherein the dye material module 3 dissolves powder dye into liquid dye according to a certain water-powder ratio, and stores the liquid dye in a dye storage tank 34; a dye formula is input into a PLC metering control system 2 in the dye automatic metering machine, and the PLC metering control system 2 controls the metering machine 1 to carry out high-precision distribution according to the weight of the dye formula to prepare a target dye solution; the alkali liquor distribution module 4 measures the finished product alkali liquor in the alkali liquor storage tank 41 through an alkali liquor electromagnetic flow meter 404 according to the required weight, and conveys the measured finished product alkali liquor to the required dye vat, namely a first dye vat 502 or a second dye vat 503; the dye liquor conveying module 5 conveys the dye liquor prepared in the metering machine 1 into the first dye vat 502 or the second dye vat 503, and the dye liquor is mixed with alkali liquor according to the formula to obtain the finished dye liquor.

The whole process flow is controlled by a PLC computer, a material melting control computer in a dye material melting module 3 records the type, the use weight and the prepared liquid dye weight, and sends data to a PLC metering control computer in a PLC metering control system 2, at the moment, an operator can input formula information, blending weight information and finished dye liquor information required by a dye vat into the PLC metering control computer in a manual input or code scanning input mode (a process chamber is arranged to generate a two-dimensional code), the PLC metering control system 2 automatically carries out quantitative distribution according to the instruction of the computer, and conveys the blended dye liquor into the corresponding dye vat (namely the first dye vat 502 or the second dye vat 503) through a conveying pipe 154 and a pipeline in a dye liquor conveying module 5 according to the information of a dye vat terminal operating platform 501, and controls a first pneumatic three-way valve 508 and a second pneumatic three-way valve 511 according to the instruction in a dye vat terminal operating platform 51 during the conveying process Automatic switching, namely distributing the dye liquor into the dye vat; meanwhile, the alkali liquor distribution module 4 is controlled to distribute corresponding alkali liquor into the dye vat according to the requirement. The delivery status and various information are displayed on the computer of the dye vat terminal operating table 501, and the operations such as order input, order insertion and order deletion can be realized through the computer of the terminal.

When an order is finished and the dye of the formula is not produced any more, the PLC metering control system 2 controls the cylinder angle seat valve 158 to be opened, water in the cylinder cleaning pipeline continuously washes the stainless steel cylinder 151, and then the water is finally discharged from the electromagnetic blow-down valve 510 through the feeding pipe 154 and the conveying pipeline 505, so that the related pipelines of the metering machine 1 and the dye liquor conveying module 5 can be cleaned, and the dye of the next order is prevented from being influenced.

Because the liquid dye in the dye storage tank 34 is prepared by dissolving powder dye in water, when the dye storage tank is not used for a period of time, deposition may be caused to cause inconsistent color of the dye liquid in the tank, at this time, only the high-precision multistage distribution valve 14 needs to be completely closed, so that the outer ring liquid outlet 1413 and the inner ring liquid outlet 1414 are both closed, and the valves on the liquid inlet pipe 13 and the liquid return pipe 12 are controlled to be opened, so that the liquid inlet pipe 13, the liquid return pipe 12 and the dye storage tank 34 can form a loop, and the liquid dye flows in the loop under the action of the dye distribution conveying pump 36, so that a stirring effect can be formed, and the deposition and color difference are prevented from being generated; therefore, the dye liquor in the dye storage tank 34 can be circulated once at certain intervals in the control system, and the uniformity of the liquid dye in the dye storage tank is ensured.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims (10)

1. The utility model provides a dyestuff automatic metering machine which characterized in that: the metering device comprises a metering machine (1) and a PLC metering control system (2) for controlling the operation of the metering machine (1), wherein the metering machine (1) comprises a rack (11), a liquid return pipe (12), a liquid inlet pipe (13), a high-precision multi-stage distribution valve (14) and a weighing cylinder (15); the top of frame (11) is passed through pipeline fixed beam (16) and is fixed liquid return pipe (12) and liquid inlet pipe (13), the fixed valve fixed plate (17) that is provided with in intermediate position of frame (11), high accuracy multistage distribution valve (14) fixed mounting be in on the valve fixed plate (17), liquid return pipe (12) and liquid inlet pipe (13) pass through hose (18) with high accuracy multistage distribution valve (14) are connected, weigh jar (15) fixed mounting in the bottom of frame (11), and be located the below of high accuracy multistage distribution valve (14).

2. The automatic dye metering machine of claim 1, wherein: the high-precision multi-stage distribution valve (14) comprises a distribution valve housing (141) and a lifting cylinder (142) arranged inside the distribution valve housing (141); the side wall of the distribution valve shell (141) is provided with a liquid inlet (1411) and a liquid return port (1412), the bottom of the distribution valve shell (141) is provided with a liquid outlet, the liquid outlet comprises an outer ring liquid outlet (1413) and an inner ring liquid outlet (1414), the inner ring liquid outlet (1414) is arranged in the outer ring liquid outlet (1413), a piston rod of the lifting cylinder (142) is provided with an inner ring sealing head (1421) for blocking the inner ring liquid outlet (1414) and an outer ring sealing block (1422) for blocking the outer ring liquid outlet (1413), and the lifting cylinder (142) is electrically connected with the PLC metering control system (2).

3. The automatic dye metering machine of claim 2, wherein: the weighing cylinder (15) comprises a stainless steel cylinder body (151) and a high-precision electronic scale (152), and the high-precision electronic scale (152) is electrically connected with the PLC metering control system (2); the high-precision electronic scale (152) is fixedly arranged at the bottom of the rack (11), and the stainless steel cylinder body (151) is arranged on the high-precision electronic scale (152) through the weighing cylinder supporting legs (153).

4. The automatic dye metering machine of claim 3, wherein: the top of the stainless steel cylinder body (151) is provided with an opening and is positioned at the bottom of a liquid outlet of the high-precision multi-stage distribution valve (14), the bottom of the stainless steel cylinder body (151) is reduced in diameter and communicated with a feeding pipe (154), the feeding pipe (154) is respectively provided with a manual butterfly valve (157), an air blowing valve (155) and an automatic discharging valve (156), the top of the stainless steel cylinder body (151) is communicated with a cylinder body cleaning pipeline, a cylinder body angle seat valve (158) is arranged on the cylinder body cleaning pipeline, and the automatic discharging valve (156), the air blowing valve (155) and the cylinder body angle seat valve (158) are all electrically connected with the PLC metering control system (2).

5. The automatic dye metering machine according to any one of claims 1 to 4, characterized in that: the high-precision multi-stage distribution valves (14) in the metering machine (1) are respectively communicated with different liquid return pipes (12) and liquid inlet pipes (13), and the different liquid inlet pipes (13) and liquid return pipes (12) are respectively communicated with different dye storage tanks (34); the PLC metering control system (2) is electrically connected with a metering computer for operation input.

6. An automatic dye liquor distribution system is characterized in that: the automatic dye metering machine is provided with the automatic dye metering machine as claimed in any one of claims 1 to 5, and further comprises a dye material module (3), an alkali liquor distribution module (4) and a dye liquor conveying module (5).

7. An automatic dye liquor dispensing system according to claim 6 wherein: the dyeing material module (3) comprises a PLC material control system (31), a material melting device (32), a material melting filter (33) and a dye storage tank (34), wherein the PLC material melting control system (31) is electrically connected with a material melting control computer for input operation, the material melting device (32) is provided with a feed inlet and communicated with a water inlet pipe, and the water inlet pipe is provided with a water inlet electromagnetic flowmeter (38) for controlling water quantity; the discharge end of changing glassware (32) passes through the feed end of pipe connection change material filter (33), the discharge end of changing material filter (33) is connected with dyestuff storage tank (34) through last glassware (35), the discharge end of dyestuff storage tank (34) has dyestuff filter (37) through dyestuff distribution delivery pump (36) intercommunication, the discharge end of dyestuff filter (37) with inlet tube (13) intercommunication in the dyestuff automatic metering machine, liquid return pipe (12) in the dyestuff automatic metering machine pass through the top of pipeline intercommunication dyestuff storage tank (34), advance magnetic flowmeter (38) and water and electricity distribution delivery pump (36) with PLC changes material control system (31) electricity and connects.

8. An automatic dye liquor dispensing system according to claim 7 wherein: the automatic dye liquor conveying module (5) comprises a dye vat terminal operating platform (501), a first dye vat (502), a second dye vat (503), a cleaning water pipeline (504), a conveying pipeline (505), a dye liquor sending pump (506) and a dye liquor electromagnetic flow meter (507); a feeding pipe (154) and a cleaning water pipeline (504) of the automatic dye metering machine are communicated with a conveying pipeline (505) through a first pneumatic three-way valve (508), a dye liquor sending pump (506), a dye liquor transparent window (509), a dye liquor electromagnetic flow meter (507) and an electromagnetic blow-down valve (510) are sequentially arranged on the conveying pipeline (505), the dye liquor sending pump (506) is arranged between the dye liquor transparent window (509) and the first pneumatic three-way valve (508), the conveying pipeline (505) is respectively communicated with a first feeding pipeline (512) and a second feeding pipeline (513) through a second pneumatic three-way valve (511), and the first feeding pipeline (512) and the second feeding pipeline (513) are respectively communicated with a first dye vat (502) and a second dye vat (503); the dye liquor electromagnetic flow meter (507), the first pneumatic three-way valve (508), the dye liquor sending pump (506), the second pneumatic three-way valve (511) and the electromagnetic blow-down valve (510) are all electrically connected with the dye vat terminal operating platform (501).

9. An automatic dye liquor dispensing system according to claim 8 wherein: the alkali liquor distribution module (4) comprises an alkali storage tank (401), the alkali storage tank (401) is connected with an alkali liquor delivery pump (402) through an alkali liquor discharge pipe (406), an alkali liquor discharge valve (408) is arranged on the alkali liquor discharge pipe (406), the alkali liquor delivery pump (402) is communicated with an alkali liquor delivery pipeline (407), and a one-way check valve (403), an alkali liquor electromagnetic flow meter (404) and an alkali liquor drainage valve (405) are sequentially arranged on the alkali liquor delivery pipeline (407); the alkali liquor conveying pipeline (407) is communicated with an alkali liquor feeding pipeline (409) through a fourth pneumatic three-way valve (410), and the alkali liquor feeding pipeline (409) is communicated with the first dye vat (502) and the second dye vat (503); the alkali liquor discharging valve (408), the alkali liquor conveying pump (402), the alkali liquor electromagnetic flow meter (404), the alkali liquor blow-down valve (405) and the fourth pneumatic three-way valve (410) are electrically connected with the dye vat terminal operating platform (501).

10. An automatic dye liquor dispensing system according to claim 9 wherein: the material melting control computer and the dye vat terminal operating platform are connected with the metering computer through a network, so that data transmission between the PLC metering control system (2) and the PLC material melting control system (31) and the dye vat terminal operating platform is realized.

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