Disclosure of Invention
The invention aims to solve the technical problems of the conventional whole-core flame-retardant conveying belt batching system and provides an automatic batching system for the whole-core flame-retardant conveying belt.
The invention provides an automatic batching system for a whole-core flame-retardant conveying belt, which comprises a core paste bin, a core paste auxiliary bin, a liquid bin, a rubber covering bin, a stirring kettle, a mixing unit, a weighing unit and a control unit, wherein a weightless weighing meter is arranged in the core paste bin, the weighing unit is respectively communicated with the core paste auxiliary bin, the liquid bin and the rubber covering bin, the core paste auxiliary bin and the liquid bin are communicated with the stirring kettle, the rubber covering bin and the liquid bin are communicated with the mixing unit, and the control unit is electrically connected with the stirring kettle, the mixing unit, the weighing unit and the bins.
The automatic batching system for the whole-core flame-retardant conveying belt can be further characterized in that a feeding hole of the core paste bin is communicated with the core paste bin through a spiral or vacuum conveying device.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that an automatic dust removing assembly is arranged at the top end of a core paste bin, and an arch breaking assembly and a flow-assisting gas ring are arranged at the discharge hole of the core paste bin.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that the core paste bin, the core paste auxiliary bin, the liquid bin and the cover glue bin are respectively provided with a material level indicator near the top end and the bottom.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that the auxiliary core paste bin, the liquid bin and the glue covering bin are all provided with standby bins.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that a heating and stirring assembly is arranged on the liquid bin.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that the rubber covering bin comprises a main rubber covering bin and an auxiliary rubber covering bin.
The automatic batching system for the whole-core flame-retardant conveying belt can be further characterized in that an inlet and an overflow port of the liquid bin are communicated with the liquid tank.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that a discharge hole of a liquid bin is connected with a conveying pipeline, and a heat preservation belt is coated outside the conveying pipeline.
The automatic batching system for the whole-core flame-retardant conveying belt can be characterized in that the weighing unit comprises a plurality of electronic scales which are respectively arranged between the core paste auxiliary bin and the stirring kettle, between the liquid bin and the mixing unit and between the glue covering bin and the mixing unit.
The invention has the beneficial effects that:
In the automatic material distribution system of the whole-core flame-retardant conveying belt, the automatic material distribution system comprises a core paste storage bin, a core paste auxiliary storage bin, a liquid storage bin, a glue covering storage bin, a stirring kettle, a mixing unit, a weighing unit and a control unit. Wherein, be provided with the weightometer in the core paste feed bin, core paste assist feed bin, liquid storehouse, lid glue feed bin all communicate weighing unit, core paste feed bin, core paste assist feed bin, liquid storehouse and stirred tank intercommunication, lid glue feed bin, liquid storehouse and mixed unit intercommunication, the control unit with mixed unit weighing unit and each feed bin electricity are connected. Based on this automatic feed proportioning system, be provided with core and paste the feed bin, with the main material of core paste resin carry out independent feed, and be provided with the weightlessness weighing meter in it, can carry out independent, accurate weighing to paste resin under the control of control unit. In addition, the auxiliary core paste bin, the liquid bin and the glue covering bin are also communicated with the weighing unit, so that auxiliary core paste materials, liquid materials and glue covering materials can be independently weighed, and the accuracy and the production efficiency of batching are improved. In addition, carry out the independent transport with paste resin and core paste auxiliary material, control unit can carry out accurate division, control to this feed proportioning system, is convenient for improve the operating stability and the production efficiency of whole feed proportioning system.
In addition, the top of the core paste bin is communicated with a core paste hopper through a spiral or vacuum conveying device, and paste resin is stored in the core paste hopper. The top of core paste feed bin is provided with automatic dust removal subassembly, and dust removal subassembly can carry out dust removal to the paste resin of core paste feed bin feed inlet. In addition, the arch breaking component and the flow aid air ring are arranged at the discharge hole, so that bridging phenomenon of paste resin at the discharge hole is prevented, and smooth discharge of the paste resin is ensured.
In addition, be provided with heating and stirring subassembly on the liquid storehouse, this heating subassembly can heat and keep warm the liquid storehouse, through heating some low temperature mobility poor, easy crystallization like liquid raw materials such as chlorinated paraffin, antistatic agent, uses agitating unit to improve heat exchange efficiency and liquid material mobility simultaneously, guarantees the smooth and easy circulation of liquid raw materials.
Moreover, the discharge gate of liquid feed bin is connected with pipeline, and the cladding has the thermal insulation area outside the pipeline, and this thermal insulation area can be further guarantee liquid pipeline's temperature, prevents that liquid raw materials from appearing crystallization, glues the wall and influences the phenomenon of conveying effect.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the invention more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
In this embodiment, the automatic batching system of the whole core flame retardant conveyor belt is used for producing the whole core flame retardant conveyor belt, and batching, conveying, stirring and other operations are performed on each main material and auxiliary material of the whole core flame retardant conveyor belt.
As shown in fig. 1-2, the automatic batching system for the whole-core flame-retardant conveying belt comprises a core paste bin 10, a core paste auxiliary bin 20, a liquid bin 30, a cover glue bin 40, a stirring kettle 50, a mixing unit 60, a weighing unit 70 and a control unit 80.
A conveyor 11 is arranged above the core paste bin 10. The front end of the conveyor 11 is provided with a core paste hopper 12, and the core paste hopper 12 stores paste resin therein. The outlet of the conveying device 11 is communicated with the feeding port of the core paste bin 10.
An automatic dust removal component 13 is arranged at the top of the core paste bin 10 near the feed inlet, and comprises an anti-sticking material film filter barrel and a pulse dust remover. The pulse dust collector can carry out dust collection treatment on paste resin at the feed inlet.
A weight loss meter 14 is provided in the core paste bin 10, and is electrically connected to the control unit 80, and the control unit 80 controls and weighs the discharge amount of the paste resin in the core paste bin 10.
The core paste bin 10 is internally provided with a rotation-resistant material level indicator 15 near the top end and the bottom, and the material level indicator 15 is arranged on the side wall of the bin, so that blanking impact can be avoided.
An arch breaking device 16 and a flow-assisting air ring 17 are arranged at the bottom of the core paste bin 10 near the discharge hole. The arch breaking device 16 comprises a stirring assembly and a hard tooth surface or helical gear reducer, and the flow aid air ring 17 comprises a stainless steel spray pipe and a PU material spray nozzle which are installed through threads. The reasonable arrangement of the arch breaking device 16 and the flow aid air ring 17 can prevent bridging phenomenon at the position of the paste resin at the discharge hole. In addition, according to the actual equipment requirement, a double-layer flow-assisting air ring 17 is arranged to accelerate the fluidity of paste resin.
A transversely arranged variable frequency metering double screw rod 18 is arranged below the discharge hole of the core paste bin 10, and the variable frequency metering double screw rod 18 is connected with a pneumatic gate valve 19. The start and stop of the variable frequency metering double screw 18 are controlled through a pneumatic gate valve 19. When the variable frequency metering twin screw 18 is started, the paste resin discharge from the discharge port of the core paste bin 10 can be conveyed to the agitation tank 50.
The core paste auxiliary material bin 20 includes 4 auxiliary material bins and 1 standby bin. The 4 auxiliary material bins are respectively stored with aluminum hydroxide, a first flame retardant, a second flame retardant and calcium carbonate powder.
The 4 auxiliary bins and the 1 standby bins are also provided with an automatic dust removing assembly, two material level meters, an arch breaking device, a flow-assisting gas ring, a variable-frequency metering double screw and a starting gate valve. And the dust removing assembly, the two level gauges, the arch breaking device, the flow-assisting gas ring, the variable-frequency metering double screw rod and the starting gate valve are identical in position relationship and connection relationship with the dust removing assembly, the two level gauges, the arch breaking device, the flow-assisting gas ring, the variable-frequency metering double screw rod and the starting gate valve in the core paste bin 10, and are not repeated herein.
The liquid bin 30 includes 5 liquid bins and 1 standby bin. And 5 liquid bins are respectively stored with a plasticizer, a flame retardant, a stabilizer, chlorinated paraffin and an electrostatic agent. The upper ends of the 5 liquid storage bins and the 1 standby bin are respectively communicated with corresponding liquid storage tanks.
Liquid level meters are arranged in the 5 liquid storage bins and the 1 standby bin, and liquid conveying units are arranged in pipelines between the liquid storage bins and the liquid weighing units.
In addition, the outside of the liquid storage bin for storing chlorinated paraffin and electrostatic agent is provided with a heating component 31, and the top is provided with a stirring component 32. The heating component heats chlorinated paraffin, electrostatic agent and the like in the liquid storage bin through an external power supply, and the stirring component controls the stirring action of the heating component through the control unit. In addition, the two liquid storage bin discharging communicating pipelines are coated with heat preservation belts, and the communicating pipelines are insulated through the heat preservation belts.
The cover glue bin 40 includes a cover glue main bin 41 and a cover glue auxiliary bin 42. The main glue bin 41 includes 5 main powder bins and 1 spare bin. The 5 main powder bins are respectively stored with aluminum hydroxide, a first flame retardant, a second flame retardant, calcium carbonate powder and powder resin. The cap rubber auxiliary bin 42 includes two cap rubber small bins, respectively storing chlorinated polyethylene and nitrile rubber.
The main rubber bin 41 and the auxiliary rubber bin 42 of the main rubber bin 40 are also provided with a dust removing component, two material level meters, an arch breaking device, a flow-assisting gas ring, a variable-frequency metering double screw and a start gate valve. The position relationship and the connection relationship of the dust removing assembly, the two material level meters, the arch breaking device, the flow-assisting gas ring, the variable-frequency metering double screw and the starting gate valve on the auxiliary bin are the same as those of the dust removing assembly, the two material level meters, the arch breaking device, the flow-assisting gas ring, the variable-frequency metering double screw and the starting gate valve in the core paste bin 10, and are not repeated herein.
The weighing cell 70 includes 5 electronic scales. Wherein the 5 electronic meters comprise 3 powder electronic meters and 2 liquid electronic meters.
The 3 powder electronic metering scales are respectively arranged between pipelines of the core paste auxiliary material bin 20 and the stirring kettle 50, between pipelines of the cover glue main material bin 41 and the mixing unit 60 and between pipelines of the cover glue auxiliary material bin 42 and the mixing unit 60. The lower end of the three powder electronic metering scales is also provided with a striking air hammer, a flow-assisting air ring and a pneumatic gate valve, so that the electronic metering scales can be controlled, and powder circulation after weighing is quickened.
The 2 liquid electronic meters are respectively arranged between the pipelines of the liquid bin 30 and the stirring kettle 50 and between the pipelines of the liquid bin 30 and the mixing unit 60. The two liquid electronic weighing scales are provided with pneumatic ball valves for control.
The upper end of the stirring kettle 50 is communicated with the discharge ports of the core paste storage bin 10, the core paste auxiliary storage bin 20 and the liquid storage bin 30 or the discharge port of the weighing unit 70.
The mixer assembly 60 includes a high speed mixer 61 and a cooling mixer 62. Wherein, the upper end of the high-speed mixer 61 is communicated with the liquid bin 30 and the main glue bin 41 through the discharge port of the weighing unit 70. The cooling mixer 62 is communicated with the cover rubber auxiliary bin 42 through a discharge hole of the weighing unit 70, and then discharged materials enter the subsequent production procedures of products such as a granulating extruder and the like.
The control unit 80 includes an electrical control cabinet and a monitoring computer. The control unit is configured with a siemens S7 series PLC and module components, and is electrically connected to the above-mentioned respective bins, weighing units, stirred tank 50, and mixing unit 60, and can control them.
The operation process of the stirring kettle 50 comprises the steps of firstly feeding the liquid bin 30 according to the formula instruction of the control unit 80, weighing by the liquid electronic metering scale, starting the stirring kettle 50, simultaneously feeding the core paste auxiliary material bin 20 according to the formula instruction of the control unit 80, weighing by the powder electronic metering scale, feeding the core paste auxiliary material bin into the stirring kettle 50 when feeding the core paste auxiliary material bin into the stirring kettle 50 for 2/3 of the time, secondly, feeding the core paste auxiliary material bin 10 into the stirring kettle 50 according to the weighing by the weightless metering scale 14 in the core paste auxiliary material bin, and stirring according to the process time of the control unit 80. After the stirring is completed, the pneumatic ball valve of the stirring kettle 50 is opened for discharging, and after the discharging is completed, the pneumatic ball valve is closed.
When the raw materials in the liquid bin 30 are lower than the lower liquid level, the control unit 80 controls the liquid material storage barrels above the liquid bin 30 to start to convey raw materials to the corresponding liquid bins 30 by the corresponding pumps, and the pump station stops working when the upper limit is reached. And (5) sequentially and circularly controlling.
The working process of the mixing unit 60 comprises the steps of firstly feeding the main glue covering bin 41 according to the formula instruction of the control unit 80, weighing by the electronic powder weighing scale, starting the high-speed mixer 61 to perform low-speed mixing, feeding the weighed main glue covering material into the high-speed mixer 61 at the moment, then feeding the liquid bin 30 according to the formula instruction of the control unit 80, weighing by the electronic liquid weighing scale, feeding the liquid bin into the high-speed mixer 61, starting the high-stirring function of the high-speed mixer 61 after the feeding is finished, stirring according to the process of the control unit 80, secondly feeding the auxiliary glue covering bin 42 according to the formula instruction of the control unit 80, weighing by the electronic powder weighing scale, starting the vertical cooling mixer 62 according to the process, discharging the high-speed mixer 61 into the cooling mixer 62, adding the weighed small glue covering material into the cooling mixer 62 when the temperature is reduced to 50 ℃, stirring according to the process, and discharging the powder after the stirring is finished. And then the discharged materials enter the production procedures of products such as a subsequent granulating extruder and the like.
According to the automatic material distribution system of the whole-core flame-retardant conveying belt in the embodiment, the automatic material distribution system comprises a core paste bin, a core paste auxiliary bin, a liquid bin, a glue covering bin, a stirring kettle, a mixing unit, a weighing unit and a control unit. Wherein, be provided with the weightometer in the core paste feed bin, core paste assist feed bin, liquid storehouse, lid glue feed bin all communicate weighing unit, core paste feed bin, core paste assist feed bin, liquid storehouse and stirred tank intercommunication, lid glue feed bin, liquid storehouse and mixed unit intercommunication, the control unit is connected with stirred tank, mixed unit, weighing unit and each feed bin electricity. Based on this automatic feed proportioning system, be provided with core and paste the feed bin, with the main material of core paste resin carry out independent feed, and be provided with the weightlessness weighing meter in it, can carry out independent, accurate weighing to paste resin under the control of control unit. In addition, the auxiliary core paste bin, the liquid bin and the glue covering bin are also communicated with the weighing unit, so that auxiliary core paste materials, liquid materials and glue covering materials can be independently weighed, and the accuracy and the production efficiency of batching are improved. In addition, carry out the independent transport with paste resin and core paste auxiliary material, control unit can carry out accurate division, control to this feed proportioning system, is convenient for improve the stability and the production efficiency of whole feed proportioning system.
In addition, the top of the core paste bin is communicated with a core paste hopper through a conveying device, and paste resin is stored in the core paste hopper. The top of core paste feed bin is provided with automatic dust removal subassembly, and dust removal subassembly can carry out dust removal to the paste resin of core paste feed bin feed inlet. In addition, the discharge hole is provided with an arch breaking assembly and a flow assisting air ring, and the paste resin at the discharge hole is placed to have a bridging phenomenon, so that smooth discharge of the paste resin is ensured.
In addition, be provided with heating and stirring subassembly on the liquid storehouse, this heating subassembly can heat and keep warm the liquid storehouse, through heating some low temperature mobility poor, easy crystallization like liquid raw materials such as chlorinated paraffin, antistatic agent, uses agitating unit to improve heat exchange efficiency and liquid material mobility simultaneously, guarantees the smooth and easy circulation of liquid raw materials.
Moreover, the discharge gate of liquid feed bin is connected with pipeline, and the cladding has the thermal insulation area outside the pipeline, and this thermal insulation area can be further guarantee liquid pipeline's temperature, prevents that liquid raw materials from appearing crystallization, glues the wall and influences the phenomenon of conveying effect.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.