Double-screw water brace production equipment

Abstract

The utility model relates to the technical field of plastic production and processing, in particular to double-screw water brace production equipment which comprises a stirring and feeding mechanism, an extruding unit, an extruding machine bin, a cooling water tank, a blow-drying mechanism, a pelletizing mechanism and a homogenizing bin, the stirring and feeding mechanism is located on one side of the extruding machine set, a discharging opening of the stirring and feeding mechanism is communicated with the extruding machine bin, the cooling water tank, the blow-drying mechanism, the pelletizing mechanism and the homogenizing bin are sequentially arranged on one side of the extruding machine set in the material moving direction, and the pelletizing mechanism is communicated with the homogenizing bin through the conveying mechanism. According to the production equipment disclosed by the utility model, the cold brace of the double-screw extruder can be dried by additionally arranging the blow-drying mechanism, the phenomenon that molded plastic particles are adhered or agglomerated is avoided, and the production equipment is high in automation degree, reasonable in procedure setting and good in finished product particle quality.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic production and processing, and particularly relates to a double-screw water pull strip production equipment. BACKGROUND

[0002] The existing double-screw extruder cold pull strip production line adopts a hopper to load materials, and the labor intensity of the operator is large, and it is difficult to screen long-section materials. In addition, since the wire rods are not separated, water is easily entrained, resulting in a high water content of the product, and water silver wires are easily generated during injection molding, which seriously affects the appearance of the plastic product. Furthermore, since the water content of the product is high, the storage time is short, and it is difficult to dry the materials during injection molding, which seriously affects the yield of the plastic product during injection molding. Meanwhile, the particles after cutting also carry a large amount of heat, and when the heat is not dissipated in time, the particles are easily adhered or agglomerated during packaging, which needs to be improved. UTILITY MODEL CONTENT

[0003] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to provide a double-screw water pull strip production equipment, which can dry the double-screw extruder cold pull strip by increasing the drying mechanism, and avoid the adhesion or agglomeration of the plastic particles after molding. The production equipment has high automation degree, reasonable process setting, and good quality of finished particle.

[0004] The utility model discloses a double-screw water pull strip production equipment, including stirring feeding mechanism, extruder set, extruder bin, cooling water tank, drying mechanism, granulating mechanism, homogenizing bin, the extruder bin sets up in the extruder set, the stirring feeding mechanism is located one side of the extruder set, and the discharge port of the stirring feeding mechanism is communicated with the extruder bin, and the cooling water tank, drying mechanism, granulating mechanism, homogenizing bin are set up one side of the extruder set along the direction of material, and the granulating mechanism and homogenizing bin are communicated through the conveying mechanism.

[0005] Further, the extruder set includes an extruder and a motor, the motor is electrically connected with the extruder, the extruder is provided with a screw rod and a plurality of cooling water pipes, the cooling water pipes are located on one side of the screw rod for cooling the screw rod.

[0006] Further, the stirring feeding mechanism includes a stirring barrel and a spiral feeding machine, the feeding inlet of the spiral feeding machine is communicated with the bottom of the stirring barrel, and the discharge outlet of the spiral feeding machine is communicated with the extruder bin.

[0007] Further, a feeding motor is arranged above the extruder bin, the bottom end of the feeding motor is connected with a material guide roller, and the material guide roller extends through the extruder bin to the inside of the extruder.

[0008] Further, the connecting part of the cutting mechanism and the conveying mechanism is also provided with a blower, and an air outlet of the blower is communicated with the connecting part of the cutting mechanism and the conveying mechanism.

[0009] Further, the homogenizing bin comprises a storage bin, a support, a weighing sensor and a control system, the bottom of the storage bin is provided with a discharging assembly, the storage bin is arranged on the support, the weighing sensor is arranged at the lower end of the support, and the discharging assembly is electrically connected with the control system.

[0010] Further, the discharging assembly comprises a discharging pipe, a spiral discharging mechanism and a valve, the discharging pipe is arranged at the bottom of the storage bin and communicated with the storage bin, the spiral discharging mechanism is sleeved in the discharging pipe, and the valve is arranged at the discharging end of the discharging pipe.

[0011] The production equipment of the utility model can realize the drying of the double-screw extruder cold drawing strip through the increase of the blow-drying mechanism, and the further blow-drying in cooperation with the blower can avoid the adhesion or caking phenomenon of the formed plastic particles, the cut particles are directly conveyed into the storage bin, the particles are sent into the packaging bag through the discharging assembly, and the finished product particle quality is good. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the structure schematic view of the utility model;

[0013] Fig. 2 It is the structure schematic view of the extruder group of the utility model;

[0014] Fig. 3 It is the structure schematic of the homogenizing bin of the utility model.

[0015] The figure sign is: 11 - stirring barrel, 12 - spiral feeder, 21 - extruder, 22 - screw, 23 - cooling water pipe, 24 - motor, 3 - extruder bin, 31 - feeding motor, 32 - material guiding roller, 4 - cooling water tank, 5 - blow-drying mechanism, 6 - cutting mechanism, 71 - storage bin, 72 - support, 73 - weighing sensor, 74 - material pipe, 75 - spiral discharging mechanism, 76 - valve, 8 - conveying mechanism, 9 - blower. DETAILED DESCRIPTION

[0016] In order to facilitate the understanding of those skilled in the art, the following will be combined with the embodiment and the accompanying drawings. Figs. 1-3 The utility model is further explained, and the content mentioned in the implementation manner is not limited to the utility model.

[0017] See Figs. 1-3The utility model provides a kind of double screw water bracing production equipment, including stirring feeding mechanism, extruder unit, extruder bin 3, cooling water tank 4, blow-drying mechanism 5, granulating mechanism 6, homogenization bin, the extruder bin 3 is set in the extruder unit, the stirring feeding mechanism is located in the one side of the extruder unit, and the discharge port of the stirring feeding mechanism is communicated with the extruder bin 3, cooling water tank 4, blow-drying mechanism 5, granulating mechanism 6, homogenization bin are sequentially arranged in the one side of the extruder unit along the direction of material, and the granulating mechanism 6 is communicated with homogenization bin by conveying mechanism 8.

[0018] In the embodiment, the extruder unit includes an extruder 21 and a motor 24, the motor 24 is used to drive the extruder 21, the extruder 21 is provided with a screw 22 and a plurality of cooling water pipes 23, the cooling water pipes 23 are located on one side of the screw 22 for cooling the screw 22, and the end of the screw 22 is provided with a screw die (not shown).

[0019] In the embodiment, the production equipment can realize drying of the double screw 22 extruder 21 cold bracing by increasing the blow-drying mechanism 5, and further blow-drying with the blower 9 can avoid the phenomenon of adhesion or caking of the formed particles, the cut particles are directly conveyed into the storage bin 71, the particles are sent into the packaging bag through the discharge assembly, weighed and packed, the degree of automation is high, the process setting is reasonable, and the quality of finished particles is good. Specifically, in production, the plastic particles to be produced are placed into the stirring feeding mechanism according to the raw material composition, stirred uniformly, conveyed into the extruder bin 3 and the extruder unit, the screw 22 is heated to the range of 140-200 DEG C by controlling the control system of the extruder unit (if the temperature of the screw 22 is too high, the temperature of the screw 22 can be reduced by the cooling water pipes 23, when the actual temperature of the screw 22 is higher than the set temperature, the ball valve of the cooling water pipes 23 is opened by the electromagnetic valve control, so as to reduce the temperature of the screw 22), each raw material is heated and melted, and the water bracing in the form of strip is extruded through the set double helical screw die, the water bracing is cooled in the cooling water tank 4, the water bracing is blown off and dried by the blow-drying mechanism 5 to avoid the phenomenon of adhesion or caking of the particles after granulation, the water bracing after drying falls into the conveying mechanism 8 after the granulating mechanism 6, and is conveyed into the homogenization bin by the conveying mechanism 8, and finally weighed and packed.

[0020] In the embodiment, the stirring feeding mechanism includes a stirring barrel 11 and a screw feeder 12, the feeding port of the screw feeder 12 is communicated with the bottom of the stirring barrel 11, and the discharge port of the screw feeder 12 is communicated with the extruder bin 3; in the stirring barrel 11, the powder and particles can not fly everywhere in the stirring process because the stirring barrel 11 is in a closed state, the workshop hygiene and the long-term work of employees in the dust workshop can be ensured, and the employees can not get occupational diseases.

[0021] In the embodiment, a feeding motor 31 is arranged in the middle of the top of the extruder hopper 3, the bottom end of the feeding motor 31 is connected with a material guide roller 32, and the material guide roller 32 extends through the extruder hopper 3 to the inside of the extruder 21.

[0022] In the embodiment, the high-speed stirring barrel 11 can uniformly mix and stir the plastic particles according to the raw material quantity, and after uniform mixing, the plastic particles are conveyed to the extruder hopper 3 through the screw feeder 12, and the raw materials are extruded into the extruder 21 by the driving of the material guide roller 32 by the feeding motor 31 for heating, melting and screw extrusion, thereby improving the automation of the production line and saving labor costs.

[0023] In the embodiment, the connection part of the pelletizing mechanism 6 and the conveying mechanism 8 is further provided with a blower 9, the air outlet of the blower 9 is communicated with the connection part of the pelletizing mechanism 6 and the conveying mechanism 8, the particles can be further dried, and the particles can be blown and dropped into the conveying mechanism 8 in addition to the drying effect.

[0024] In the embodiment, the discharging assembly comprises a discharging pipe 74, a screw discharging mechanism 75 and a valve 76, the discharging pipe 74 is arranged at the bottom of the storage hopper 71 and is communicated with the storage hopper 71, the screw discharging mechanism 75 is sleeved in the discharging pipe 74, and the valve 76 is arranged at the discharging end of the discharging pipe 74.

[0025] In the embodiment, the discharging assembly adopts the above mechanism, the screw discharging mechanism 75 rotates spirally in the discharging pipe 74 to spirally output the materials from the discharging port of the discharging pipe 74, so that the phenomenon of material blockage of the discharging pipe 74 can be avoided, and when the weighing device stops working, the valve 76 arranged at the discharging end of the discharging pipe 74 can be closed to avoid material flow-out, material waste and influence on the accuracy of the weighing device.

[0026] In the embodiment, the homogenizing hopper comprises a storage hopper 71, a support 72, a weighing sensor 73 and a control system, the bottom of the storage hopper 71 is provided with a discharging assembly, the storage hopper 71 is arranged on the support 72, the weighing sensor 73 is arranged at the lower end of the support 72 to sense the weight change of the storage hopper 71, and the discharging assembly is electrically connected with the control system. The control system is composed of the weighing sensor 73, a controller (not shown), the screw discharging mechanism 75 and the valve 76, and the weighing sensor 73, the screw discharging mechanism 75 and the valve 76 are electrically connected with the controller.

[0027] In the embodiment, the particles cut by the particle cutting mechanism 6 can be stored in a heating and stirring barrel (not shown) according to actual needs. On the one hand, there will be residual moisture after the particles are cut, and the moisture of the particles can be dried through the heating and stirring barrel. On the other hand, the particles can be sent to the storage bin 71 when the moisture of the particles is less than 0.15%. The weighing sensor 73 is arranged below the storage bin 71. When the weight reaches 25±0.2Kg, the material can be automatically discharged and packaged, reducing the labor workload and realizing automation.

[0028] The control principle of the control system arranged in the embodiment is as follows: the weight of each bag of material is set in the controller. The signal of the weighing sensor 73 is transmitted to the controller through a wire. The weighing sensor 73 outputs a signal every second during work. When the material is discharged, the weighing sensor 73 generates a variable signal. The signal is output to the spiral discharging mechanism 75 through the feedback of the controller. The material is output to the packaging bag by rotating the spiral discharging mechanism 75. When the signal of the material reaches the set value, the valve 76 is closed to avoid the material flowing out, causing waste of the material and affecting the accuracy of the weighing equipment.

[0029] The above embodiment is a preferred implementation scheme of the utility model. In addition to this, the utility model can also be implemented in other ways. Any obvious replacement without departing from the concept of the utility model is within the protection scope of the utility model.

Claims

1. A twin screw water lashing production apparatus characterized by: Including stirring feeding mechanism, extruder set, extruder bin, cooling water tank, blow-drying mechanism, granulating mechanism, homogenization bin, the extruder bin is arranged on the extruder set, the stirring feeding mechanism is located on one side of the extruder set, and the discharge port of the stirring feeding mechanism is communicated with the extruder bin, cooling water tank, blow-drying mechanism, granulating mechanism, homogenization bin are sequentially arranged on one side of the extruder set along the direction of material, the granulating mechanism and homogenization bin are communicated by conveying mechanism; The extruder set includes an extruder and a motor, the motor is electrically connected with the extruder, the extruder is provided with a screw rod and a plurality of cooling water pipes, the cooling water pipes are located on one side of the screw rod for cooling the screw rod; The stirring feeding mechanism includes a stirring barrel and a spiral feeding machine, the feeding port of the spiral feeding machine is communicated with the bottom of the stirring barrel, and the discharge port of the spiral feeding machine is communicated with the extruder bin; The homogenization bin includes a storage bin, a support, a weighing sensor and a control system, the bottom of the storage bin is provided with a discharge assembly, the storage bin is arranged on the support, the weighing sensor is arranged at the lower end of the support, and the discharge assembly is electrically connected with the control system.

2. A twin screw hydro-veining production apparatus according to claim 1, characterized in that: A feeding motor is arranged at the middle of the extruder bin, the bottom end of the feeding motor is connected with a material guide roller, and the material guide roller extends through the extruder bin to the inside of the extruder.

3. The twin screw water lashing production apparatus according to claim 1, characterized in that: A blower is further arranged at the connection between the granulating mechanism and the conveying mechanism, and the air outlet of the blower is communicated with the connection between the granulating mechanism and the conveying mechanism.

4. The twin screw hydro-veining production apparatus of claim 1, wherein: The discharge assembly includes a discharge pipe, a spiral discharging mechanism and a valve, the discharge pipe is arranged at the bottom of the storage bin and communicated with the storage bin, the spiral discharging mechanism is sleeved in the discharge pipe, and the valve is arranged at the discharge end of the discharge pipe.

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