CN213096056U

CN213096056U - Blank extrusion mechanism

Info

Publication number: CN213096056U
Application number: CN202022054431.XU
Authority: CN
Inventors: 金刚
Original assignee: Shandong Senxiang Machinery Equipment Co ltd
Current assignee: Shandong Senxiang Machinery Equipment Co ltd
Priority date: 2020-09-18
Filing date: 2020-09-18
Publication date: 2021-05-04
Anticipated expiration: 2030-09-18

Abstract

The utility model discloses a blank extrusion mechanism, which comprises a mixing tower and a PLC control cabinet controlled by the whole mechanism, wherein an upper mixing conveyor belt and a lower mixing conveyor belt are respectively arranged at the upper part and the lower part of the mixing tower; the top of the upper mixing conveyor belt is provided with a plurality of weightless metering scale feeders; the weightlessness type weighing feeder is provided with a proportioning bin; a main material weight loss type metering scale feeder is arranged on the lower mixing conveyor belt; an electric mixing paddle is arranged on the inner side of the mixing tower below the lower mixing conveyor belt; the bottom of the mixing tower is provided with an elevating bucket; the output end of the lifting bucket is provided with a first feeding screw rod; the utility model discloses a blank extrusion mechanism, it realizes outside curing and popped through closed cauldron, accomplishes curing and popped material and carries out the front end and keeps in, waits for rear portion twin-screw extruder to convey and extrude; the twin-screw extruder can carry out back-line filling according to requirements.

Description

Blank extrusion mechanism

Technical Field

The utility model relates to an extrusion mechanism, concretely relates to blank extrusion mechanism belongs to extrusion mechanism technical field.

Background

In the prior art, the blank extrusion process comprises feeding, tempering, extruding, curing, vacuumizing and extrusion molding; wherein, the extrusion process is generally carried out by a double-screw extruder, and the materials are conveyed by screws, mixed with the materials in the shear band, pressurized, cured and conveyed to an extrusion forming die for extrusion forming; in the prior art, the blank extrusion mechanisms all need a screw for homogenizing and puffing; the extrusion efficiency is low, the blank needs to be kept in the screw for a longer processing time, and the filling can not be carried out according to the processing requirement, so that the processing quality of the product is reduced; again, as with chinese patent application No.: 201921510636.5 discloses a double helix extrusion device for feed processing, which aims to solve the problem of extrusion efficiency when the feeding pipes are in large quantity and are easy to touch and block each other.

Disclosure of Invention

In order to solve the problem, the utility model provides a blank extrusion mechanism realizes outside curing and popped through sealing the cauldron, and can carry out the back line according to the demand and pack.

The utility model discloses a blank extrusion mechanism, which comprises a mixing tower and a PLC control cabinet controlled by the whole mechanism, wherein an upper mixing conveyor belt and a lower mixing conveyor belt are respectively arranged above and below the mixing tower; the top of the upper mixing conveyor belt is provided with a plurality of weightless metering scale feeders; the weightlessness type weighing feeder is provided with a proportioning bin; a main material weight loss type metering scale feeder is arranged on the lower mixing conveyor belt; an electric mixing paddle is arranged on the inner side of the mixing tower below the lower mixing conveyor belt; during material mixing, on the basis of weighing of a main material weightless type metering scale feeder, the main material metering is completed through the main material weightless type metering scale feeder, the metering is sent to a lower material mixing conveyor belt, then according to the proportion, a PLC control cabinet controls a plurality of weightless type metering scale feeders to complete ingredient metering, ingredients are sent to an upper material mixing conveyor belt, after the metering is completed, online independent material mixing can be realized through the upper material mixing conveyor belt and the lower material mixing conveyor belt, meanwhile, the travelling speeds of the upper material mixing conveyor belt and the lower material mixing conveyor belt are controlled through the PLC control cabinet, synchronous material discharging and mixing can be guaranteed, and during mixing, secondary mixing is performed through an electric material mixing paddle at the bottom of the material mixing tower, so that a good mixing effect is achieved; the bottom of the mixing tower is provided with an elevating bucket; the output end of the lifting bucket is provided with a first feeding screw rod; the output end of the first feeding screw is provided with a closed kettle; an exhaust valve is arranged at the bottom of the closed kettle; an inner steam nozzle connected with an external steam pipe is arranged in the closed kettle; a pressure gauge and a pressure relief pipe are arranged at the top of the closed kettle; a pressure relief valve is arranged on the pressure relief pipe; the elevator bucket feeds the materials which are mixed and can be cured and expanded into a closed kettle; the method comprises the following steps that materials enter a closed kettle, steam is applied to the materials through an external steam pipe and an internal steam nozzle, so that the materials can reach the temperature and the pressure, when the materials reach a preset value, the external steam pipe is closed, a pressure release valve and an external discharge valve are opened simultaneously, curing and puffing are completed rapidly, the materials are processed outside a screw, the processing is completed, and mixing and buffering are performed through a secondary mixing bin, so that the material transfer of a second feeding screw is waited; a second feeding screw is arranged at the bottom of the external discharge valve; the output end of the second feeding screw is connected with a secondary mixing bin; a rear feeding line is also arranged on the secondary mixing bin; the bottom of the secondary mixing bin is connected to a feeding port of the double-screw extruder; to the batching of the online feed of needs, cushion and mix through back feed line to secondary blending bunker to avoid the anterior segment to be cured, cause the material to glue even, it directly throws with in the back section, work efficiency is high, and can guarantee product quality.

Furthermore, the rear feeding line comprises a rear material conveying belt, and a plurality of weightless metering weigher feeders for metering the ingredients and the powder are arranged on the rear material conveying belt; the output end of the rear material conveying belt is provided with a controllable falling flushing hopper; a spray pipe is arranged at the bottom of the falling flushing hopper; one end of the spray pipe is connected to the secondary mixing bin; the other end is connected to the variable frequency blower, the variable frequency blower is controlled by the PLC control cabinet to adjust the air quantity, and the subsequent additive is sprayed into the secondary mixing bin through the spray pipe so as to be fully mixed with the material inside the secondary mixing bin.

Still further, the spray pipe is provided with a heating pipe close to the output end of the variable frequency blower.

Furthermore, a roller body is arranged at the bottom of the falling hopper, and a plurality of separating strips are arranged outside the roller body at intervals; the roller body is driven by the motor, and the roller body is driven by the motor, so that blanking can be controlled.

Furthermore, the rear feeding line comprises a rear material conveying belt, and a plurality of weightless metering weigher feeders for metering the ingredients and the powder are arranged on the rear material conveying belt; and the output end of the rear material conveying belt is connected to a third feeding screw rod, and the third feeding screw rod is adopted to carry out quantitative feeding on the secondary mixing bin.

Compared with the prior art, the utility model discloses a blank extrusion mechanism, it realizes outside curing and popped through the closed cauldron, accomplishes curing and popped material and carries out the front end and keep in, waits for rear portion twin-screw extruder to convey and extrude; the twin-screw extruder can carry out back-line filling according to requirements.

Drawings

Fig. 1 is a schematic view of the overall structure of embodiment 1 of the present invention.

Fig. 2 is an enlarged schematic structural diagram of a portion of a structure in fig. 1.

Fig. 3 is a schematic view of the overall structure of embodiment 2 of the present invention.

Detailed Description

Example 1:

as shown in fig. 1 and 2, the blank extrusion mechanism of the present invention comprises a mixing tower and a PLC control cabinet controlled by the whole mechanism, wherein an upper mixing conveyor 2 and a lower mixing conveyor 3 are respectively arranged above and below the mixing tower 1; the top of the upper mixing conveyor belt 2 is provided with a plurality of weightless type weighing feeders 4; the weightlessness type weighing feeder 4 is provided with a proportioning bin 5; a main material weight loss type weighing feeder 6 is arranged on the lower mixing conveyor belt 3; an electric mixing paddle 7 is arranged on the inner side of the mixing tower 1 below the lower mixing conveyor belt; during material mixing, on the basis of weighing of a main material weightless type metering scale feeder, the main material metering is completed through the main material weightless type metering scale feeder, the metering is sent to a lower material mixing conveyor belt, then according to the proportion, a PLC control cabinet controls a plurality of weightless type metering scale feeders to complete ingredient metering, ingredients are sent to an upper material mixing conveyor belt, after the metering is completed, online independent material mixing can be realized through the upper material mixing conveyor belt and the lower material mixing conveyor belt, meanwhile, the travelling speeds of the upper material mixing conveyor belt and the lower material mixing conveyor belt are controlled through the PLC control cabinet, synchronous material discharging and mixing can be guaranteed, and during mixing, secondary mixing is performed through an electric material mixing paddle at the bottom of the material mixing tower, so that a good mixing effect is achieved; the bottom of the mixing tower 1 is provided with an elevating bucket 8; the output end of the lifting bucket 8 is provided with a first feeding screw rod 9; the output end of the first feeding screw 9 is provided with a closed kettle 10; an exhaust valve 11 is arranged at the bottom of the closed kettle 10; an inner steam nozzle 12 connected with an external steam pipe is arranged in the closed kettle 10; a pressure gauge 13 and a pressure relief pipe 14 are arranged at the top of the closed kettle 10; a pressure release valve 15 is arranged on the pressure release pipe 14; the elevator bucket feeds the materials which are mixed and can be cured and expanded into a closed kettle; the method comprises the following steps that materials enter a closed kettle, steam is applied to the materials through an external steam pipe and an internal steam nozzle, so that the materials can reach the temperature and the pressure, when the materials reach a preset value, the external steam pipe is closed, a pressure release valve and an external discharge valve are opened simultaneously, curing and puffing are completed rapidly, the materials are processed outside a screw, the processing is completed, and mixing and buffering are performed through a secondary mixing bin, so that the material transfer of a second feeding screw is waited; a second feeding screw 16 is arranged at the bottom of the external discharge valve 11; the output end of the second feeding screw 16 is connected with a secondary mixing bin 17; a rear feeding line is also arranged on the secondary mixing bin 17; the bottom of the secondary mixing bin is connected to a feeding port 18 of the double-screw extruder; to the batching of the online feed of needs, cushion and mix through back feed line to secondary blending bunker to avoid the anterior segment to be cured, cause the material to glue even, it directly throws with in the back section, work efficiency is high, and can guarantee product quality.

The rear feeding line comprises a rear material conveying belt 19, and a plurality of weight loss type weighing feeders 20 for weighing the ingredients and the powder are arranged on the rear material conveying belt 19; the output end of the rear material conveying belt 19 is provided with a controllable blanking hopper 21; the bottom of the falling hopper 21 is provided with a spray pipe 22; one end of the spray pipe 22 is connected to the secondary mixing bin 17; the other end is connected to the variable frequency blower 23, the variable frequency blower is controlled by the PLC control cabinet to adjust the air quantity, and the subsequent additive materials are sprayed into the secondary mixing bin through the spray pipe so as to be fully mixed with the materials in the secondary mixing bin. The spray pipe 22 is provided with a heating pipe close to the output end of the variable frequency blower. The bottom of the falling hopper 21 is provided with a roller body 211, and a plurality of separating strips 212 are arranged outside the roller body at intervals; the roller body is driven by the motor, and the roller body is driven by the motor, so that blanking can be controlled.

Example 1:

as shown in fig. 3, in the blank extrusion mechanism of the present invention, the rear feeding line includes a rear material conveying belt 19, and a plurality of weightless weighing feeders 20 for weighing the ingredients and powders are disposed on the rear material conveying belt 19; the output end of the back-transfer belt 19 is connected to a third feeding screw 25 which is used for quantitative feeding to the secondary mixing bin.

The above-mentioned embodiment is only the preferred embodiment of the present invention, so all the equivalent changes or modifications made by the structure, features and principles of the present invention are included in the claims of the present invention.

Claims

1. A billet extruding mechanism is characterized in that: the automatic material mixing device comprises a material mixing tower and a PLC control cabinet controlled by the whole mechanism, wherein an upper material mixing conveyor belt and a lower material mixing conveyor belt are respectively arranged above and below the material mixing tower; the top of the upper mixing conveyor belt is provided with a plurality of weightless metering scale feeders; the weightlessness type weighing feeder is provided with a proportioning bin; a main material weight loss type metering scale feeder is arranged on the lower mixing conveyor belt; an electric mixing paddle is arranged on the inner side of the mixing tower below the lower mixing conveyor belt; the bottom of the mixing tower is provided with an elevating bucket; the output end of the lifting bucket is provided with a first feeding screw rod; the output end of the first feeding screw is provided with a closed kettle; an exhaust valve is arranged at the bottom of the closed kettle; an inner steam nozzle connected with an external steam pipe is arranged in the closed kettle; a pressure gauge and a pressure relief pipe are arranged at the top of the closed kettle; a pressure relief valve is arranged on the pressure relief pipe; a second feeding screw is arranged at the bottom of the external discharge valve; the output end of the second feeding screw is connected with a secondary mixing bin; a rear feeding line is also arranged on the secondary mixing bin; and the bottom of the secondary mixing bin is connected to a feeding port of the double-screw extruder.

2. The billet extrusion mechanism according to claim 1, wherein: the rear feeding line comprises a rear material conveying belt, and a plurality of weightless metering scale feeders for metering the ingredients and the powder are arranged on the rear material conveying belt; the output end of the rear material conveying belt is provided with a controllable falling flushing hopper; a spray pipe is arranged at the bottom of the falling flushing hopper; one end of the spray pipe is connected to the secondary mixing bin; the other end is connected to a variable frequency blower.

3. The billet extrusion mechanism according to claim 2, wherein: the spray pipe is provided with a heating pipe close to the output end of the variable-frequency blower.

4. The billet extrusion mechanism according to claim 2, wherein: a roller body is arranged at the bottom of the blanking hopper, and a plurality of separating strips are arranged outside the roller body at intervals; the roller body is driven by a motor.

5. The billet extrusion mechanism according to claim 1, wherein: the rear feeding line comprises a rear material conveying belt, and a plurality of weightless metering scale feeders for metering the ingredients and the powder are arranged on the rear material conveying belt; the output end of the back conveying belt is connected to a third feeding screw.