Automatic continuous size mixing device for textile size

Abstract

The invention discloses an automatic continuous textile sizing agent mixing device and relates to the field of textile production sizing. A slurry conveying belt is arranged below a discharging device at the lower end of the raw material bin, the discharging end of the slurry conveying belt is connected with a premixing barrel, the upper portion of the premixing barrel is connected with a water tank through a pipeline, the lower end of the premixing barrel is connected with slurry mixing barrels through a main slurry pump, feeding pneumatic valves are arranged above the plurality of slurry mixing barrels, and the main slurry pump is connected with the slurry mixing barrels through the pneumatic valves. The size mixing barrel is further provided with a steam valve connected with a steam pipeline, and the outlet end of the size mixing barrel is connected with a sizing machine table through a size pump to supply size to the sizing machine table. A PLC (Programmable Logic Controller) of the automatic control part is respectively connected with a discharging device, a weighing sensor, a sizing agent conveying belt, a main sizing agent pump, a steam valve, a flow meter, a thermometer, a pneumatic valve, a sizing agent distributing pump and a liquid level sensor of a sizing machine, the weighing sensor is connected with the discharging device, and a conveying belt control switch is connected with the sizing agent conveying belt. Through automatic and continuous size mixing, it is guaranteed that the size quality is stable, and the requirement of the sizing procedure is met.

Description

Technical Field

[0001] The present invention relates to the technical field of sizing in textile production, and specifically relates to an automatic continuous sizing device for textile sizing agents. Background Art

[0002] Currently, in the production process of the textile industry, in the sizing process of weaving, sizing agents for sizing warp yarns need to be prepared. The main raw materials of the sizing agents are mostly starch, PVA, polyvinyl alcohol, etc. The sizing process usually adopts an artificial control method to prepare the sizing agents.

[0003] In the prior art, as Figure 1 shown, the traditional sizing device consists of a sizing bucket and a slurry pump. Its configuration method is as follows: according to different sizing process ratios, starch, polypropylene, and PVA, the three major types of sizing agents, are manually poured into the sizing bucket in proportion respectively, the sizing bucket is started, and high-temperature steam is injected, and continuously stirred. After reaching the viscosity according to the sizing process requirements, it is transported to the machine through the slurry pump. In actual production, in order to meet the requirement that the viscosity of the slurry reaches the process requirements, it is necessary to continuously open the sizing bucket for raw material replenishment, so that the feeding weight, the heating time of the sizing agent, etc. cannot be accurately controlled. The prior art is difficult to ensure the stability and quality of the slurry, and has a great impact on the sizing of the yarn. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the invention object of the present invention is to provide an automatic continuous sizing device for textile sizing agents to ensure the stable quality of the slurry and meet the needs of the sizing process.

[0005] To achieve the above invention object, the automatic continuous sizing device of the present invention includes a mechanical part and an automatic control part. The mechanical part includes a raw material bin, a premixing bucket, a main slurry pump, a sizing bucket, and a slurry pump; a discharging device is provided at the lower end of the raw material bin, a slurry conveyor belt is provided below the discharging device, and the discharging end of the slurry conveyor belt is docked with the premixing bucket. The upper part of the premixing bucket is connected to a water tank through a pipeline, and the lower end of the premixing bucket is connected to the sizing bucket through the main slurry pump; there are multiple groups of sizing buckets, and a feeding pneumatic valve is provided above each group of sizing buckets. The main slurry pump is connected to sizing bucket one, sizing bucket two, and sizing bucket three through pneumatic valve one, pneumatic valve two, and pneumatic valve three respectively. Steam pipelines connected to a steam source are also provided on sizing bucket one, sizing bucket two, and sizing bucket three, and steam valves are provided on the steam pipelines; the outlet ends of sizing bucket one, sizing bucket two, and sizing bucket three are respectively connected to a sizing machine through slurry pump one, slurry pump two, and slurry pump three to supply slurry to the sizing machine; a liquid level sensor is provided on the sizing machine. The PLC programmable controller in the automatic control part is respectively connected to the discharging device, the weighing sensor, the slurry conveyor belt, the main slurry pump, the steam valve, the flowmeter, the thermometer, the pneumatic valve 1, the pneumatic valve 2, the pneumatic valve 3, the slurry pump 1, the slurry pump 2, the slurry pump 3, and the liquid level sensor of the sizing machine; the weighing sensor is connected to the discharging device, the flowmeter is arranged on the tap water pipeline, and the thermometer is respectively arranged on the sizing vat 1, the sizing vat 2, and the sizing vat 3.

[0006] Further, there are three groups of raw material bins, which are respectively used to store three different slurries of starch, polypropylene, and polyvinyl alcohol.

[0007] Further, a sealing device for preventing slurry leakage is arranged on the slurry conveyor belt. One end of the sealing device is docked with the discharging device, and the other end is docked with the premixing tank; the sealing device is an iron casing.

[0008] Further, the automatic control part is controlled by a PLC programmable controller, and its model and specification are Siemens S7-400.

[0009] Further, the discharging device is provided with an opening valve connected to the PLC programmable controller.

[0010] Compared with the prior art, the present invention can timely and accurately automatically start the slurry modulation program according to the needs of the sizing machine slurry, and the slurry weighing is accurate and fast. The temperature, pressure, etc. during the pulp cooking process can be stably controlled, and a slurry with stable viscosity can be automatically modulated to effectively ensure the slurry quality. The degree of automation and the slurry preparation efficiency are greatly improved, the labor intensity of the operators is reduced, and the needs of the sizing process are met. Brief Description of the Drawings

[0011] Figure 1 is a schematic diagram of the prior art structure.

[0012] Figure 2 is a schematic diagram of the structure of the present invention.

[0013] Figure 3 is a block diagram of the automatic control of the present invention.

[0014] In the figure, 1. sizing vat 1, 2. slurry pump 1, 3. sizing vat 2, 4. slurry pump 2, 5. sizing vat 3, 6. slurry pump 3, 7. pneumatic valve 3, 8. pneumatic valve 2, 9. pneumatic valve 1, 10. main slurry pump, 11. premixing tank, 12. water tank, 13. raw material bin, 14. discharging device, 15. weighing sensor, 16. slurry conveyor belt, 17. steam valve, 18. flowmeter, 19. thermometer, 20. PLC programmable controller. Detailed Embodiment

[0015] Such as Figure 2 、Figure 3 As shown in the figure, the present invention mainly includes a mechanical part and an automatic control part. The mechanical part mainly includes a raw material bin 13, a premixing barrel 11, a main pulp pump 10, a sizing barrel, and a pulp pump. The lower end of the raw material bin 13 is provided with a discharging device 14. Below the discharging device 14, there is a pulp conveyor belt 16. The discharging end of the pulp conveyor belt 16 is docked with the premixing barrel 11. The upper part of the premixing barrel 11 is connected to a water tank 12 through a pipeline. The lower end of the premixing barrel 11 is connected to the sizing barrel through the main pulp pump 10. There are multiple groups of sizing barrels. According to requirements, there are three groups of sizing barrels. An inlet pneumatic valve is provided above each group of sizing barrels. The main pulp pump 10 is connected to the first sizing barrel 1, the second sizing barrel 3, and the third sizing barrel 5 through a pneumatic valve one 9, a pneumatic valve two 8, and a pneumatic valve three 7 respectively. The first sizing barrel 1, the second sizing barrel 3, and the third sizing barrel 5 are also provided with steam pipelines connected to a steam source, and steam valves 17 are provided on the steam pipelines. The outlet ends of the first sizing barrel 1, the second sizing barrel 3, and the third sizing barrel 5 are respectively connected to a warping machine through a first pulp pump 2, a second pulp pump 4, and a third pulp pump 6 to supply pulp to the warping machine. The warping machine is provided with a liquid level sensor. When the liquid level in the pulp pot of the warping machine decreases, the liquid level sensor of the warping machine transmits a signal to the PLC programmable controller 20, and the PLC programmable controller 20 controls the start of the sizing device.

[0016] The PLC programmable controller of the automatic control part is respectively connected to the discharging device 14, the weighing sensor 15, the pulp conveyor belt 16, the main pulp pump 10, the steam valve 17, the flowmeter 18, the thermometer 19, the pneumatic valve one 9, the pneumatic valve two 8, the pneumatic valve three 7, the first pulp pump 2, the second pulp pump 4, the third pulp pump 6, and the liquid level sensor of the warping machine. The weighing sensor 15 is connected to the discharging device 14. The flowmeter 18 is arranged on the tap water pipeline. The thermometers 19 are respectively arranged on the first sizing barrel 1, the second sizing barrel 3, and the third sizing barrel 5. The automatic control part is controlled by the PLC programmable controller, and its model and specification are Siemens S7-400.

[0017] Preferably, the discharging device 14 is provided with an opening valve connected to the PLC programmable controller 20, and the PLC programmable controller 20 controls the valve switch of the discharging device 14.

[0018] Preferably, there are three groups of raw material bins 13, which are respectively used to store three different kinds of pulp, namely starch, polyethylenepropylene, and polyvinyl alcohol.

[0019] Preferably, the pulp conveyor belt 16 is provided with a sealing device for preventing pulp leakage. One end of the sealing device is docked with the discharging device 14, and the other end is docked with the premixing barrel 11. The sealing device is an iron casing.

[0020] In use, when the liquid level sensor of the sizing machine senses that the liquid level of the sizing pan decreases and is lower than the set value, the present invention controls to open the discharging device 14 of the raw material bin through the PLC programmable controller 20, and the sizing material in the raw material bin 13 falls on the sizing material conveyor belt 16. Start the conveyor belt control switch, the weighing sensor 15 outputs a signal to the PLC programmable controller 20, and the PLC programmable controller 20 controls to automatically open the water tank 12. A certain proportion of water is added to the premixing tank 11 according to the sizing material process and continuously stirred, and is conveyed to the first sizing tank 1, the second sizing tank 3, and the third sizing tank 5 through the main sizing pump 10. After being controlled by the first pneumatic valve 9, the second pneumatic valve 8, and the third pneumatic valve 7 respectively, high-temperature steam is injected into the first sizing tank 1, the second sizing tank 3, and the third sizing tank 5 respectively, and after being steamed and heated to 98 degrees, the sizing liquid is conveyed to each machine station through the first sizing pump 2, the second sizing pump 4, and the third sizing pump 6.

Claims

1. An automatic continuous sizing agent preparation device for textiles, characterized in that, The automatic continuous sizing device includes a mechanical part and an automatic control part. The mechanical part includes a raw material bin (13), a premixing tank (11), a main sizing pump (10), sizing tanks, and sizing pumps. The lower end of the raw material bin (13) is provided with a discharging device (14). A slurry conveyor belt (16) is arranged below the discharging device (14). The discharging end of the slurry conveyor belt (16) is docked with the premixing tank (11). The upper part of the premixing tank (11) is connected to a water tank (12) through a pipeline. The lower end of the premixing tank (11) is connected to the sizing tanks through the main sizing pump (10). There are multiple groups of sizing tanks. An inlet pneumatic valve is arranged above each group of sizing tanks. The main sizing pump (10) is connected to the first sizing tank (1), the second sizing tank (3), and the third sizing tank (5) through a first pneumatic valve (9), a second pneumatic valve (8), and a third pneumatic valve (7) respectively. Steam pipelines connected to a steam source are also arranged on the first sizing tank (1), the second sizing tank (3), and the third sizing tank (5). Steam valves (17) are arranged on the steam pipelines. The outlet ends of the first sizing tank (1), the second sizing tank (3), and the third sizing tank (5) are respectively connected to a warping machine through a first sizing pump (2), a second sizing pump (4), and a third sizing pump (6) to supply sizing to the warping machine. The warping machine is provided with a liquid level sensor. The PLC programmable controller (20) of the automatic control part is respectively connected to the discharging device (14), a weighing sensor (15), the slurry conveyor belt (16), the main sizing pump (10), the steam valve (17), a flowmeter (18), a thermometer (19), the first pneumatic valve (9), the second pneumatic valve (8), the third pneumatic valve (7), the first sizing pump (2), the second sizing pump (4), the third sizing pump (6), and the liquid level sensor of the warping machine. The weighing sensor (15) is connected to the discharging device (14). The flowmeter (18) is arranged on a tap water pipeline. The thermometers (19) are respectively arranged on the first sizing tank (1), the second sizing tank (3), and the third sizing tank (5).

2. The automatic continuous sizing agent preparation device for textiles according to claim 1, characterized in that, There are three groups of raw material bins (13), which are respectively used to store three different slurries of starch, polypropylene, and polyvinyl alcohol.

3. The automatic continuous sizing agent preparation device for textiles according to claim 1, wherein A sealing device for preventing slurry leakage is arranged on the slurry conveyor belt (16). One end of the sealing device is docked with the discharging device (14), and the other end is docked with the premixing tank (11). The sealing device is an iron housing.

4. An automatic continuous sizing agent preparation device for textiles according to claim 1, characterized in that, The automatic control part is controlled by a PLC programmable controller (20), and its model and specification are Siemens S7-400.

5. The automatic continuous sizing agent preparation device for textiles according to claim 4, wherein, The discharging device (14) is provided with an opening valve connected to the PLC programmable controller (20).

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