CN204622368U - A kind of extruder pre-mixing apparatus - Google Patents

Abstract

The utility model relates to the technical field of extruder equipment, in particular to a premixing device for an extruder, which includes a premixing device body, and the premixing device body includes a base on which a support rod is arranged. The rod is provided with a ring frame, and the left and right sides of the ring frame are respectively provided with a left feed bin and a right feed bin, and the bottoms of the left feed bin and the right feed bin are respectively provided with a left feed bin outlet and a right feed bin outlet. A metering device A and a metering device B are respectively arranged on the outlet of the silo and the outlet of the right silo, and the nozzle ends of the outlet of the left silo and the outlet of the right silo are respectively provided with an electromagnetic valve A and an electromagnetic valve B; A stirring paddle A and a stirring paddle B are respectively inserted in the right hopper and the stirring paddle A and the stirring paddle B are provided with crushing stirring knives on both sides of the rods of the stirring paddle A and the stirring paddle B; it has a simple structure and is easy to operate. The material is fully mixed, thereby improving the quality of the finished product after the material enters the extruder, and improving the market competitiveness.

Description

A premixing device for an extruder

【Technical field】

The utility model relates to the technical field of extruder equipment, in particular to a premixing device for an extruder.

【Background technique】

The extrusion molding of plastics goes through three stages from raw materials to products: one is the plasticization of raw materials, that is, through the heating and mixing of the extruder, the solid raw materials become a uniform viscous fluid; Under the action of the extrusion parts, the molten material is continuously passed through the molding head at a certain pressure and speed; the third is cooling and shaping, and the shape obtained by the molten material is fixed by different cooling methods to become the required plastic part. When the traditional extrusion equipment enters the material, it usually adds various raw materials into the hopper of the extruder, then adds toner, and then stirs, heats and kneads. The above-mentioned process cannot fully process the various raw materials. Uniform mixing, especially the size of some raw materials themselves need to be crushed, resulting in a decline in product quality and reducing market competitiveness.

【Content of utility model】

The purpose of this utility model is to provide a kind of premixing device for extruder with simple structure, reasonable design and convenient use in view of the defects and deficiencies of the prior art. The two silos are fed by a horizontal screw conveyor, and the agitating paddles with stirring knives installed in the two silos perform primary stirring, and then are introduced into the storage silo for secondary stirring. It has a simple structure and is easy to operate Convenient, through two-stage crushing and stirring, the materials are fully mixed, thereby improving the quality of the finished products after the materials enter the extruder, and improving the market competitiveness.

A premixing device for an extruder according to the utility model includes a premixing device body, the premixing device body includes a base, a support rod is arranged on the base, a ring frame is arranged on the support rod, The left and right sides of the ring frame are correspondingly provided with a left silo and a right silo. The bottoms of the left silo and the right silo are respectively provided with a left silo outlet and a right silo outlet. The left silo outlet and the right silo Metering device A and metering device B are respectively arranged on the outlet, and the nozzle ends of the outlet of the left silo and the outlet of the right silo are respectively provided with an electromagnetic valve A and an electromagnetic valve B; A stirring paddle A and a stirring paddle B are provided, and both sides of the rod body of the stirring paddle A and the stirring paddle B are provided with crushing stirring blades; the outer ends of the stirring paddle A4 and the stirring paddle B are respectively provided with interlocking gears A and Interlocking gear B; the middle part of the ring frame is provided with an upper bracket, and the upper bracket is provided with a motor A, and the shaft of the motor A shaft is provided with a driving gear A and a driving gear B of the same size from top to bottom , the driving gear A and the driving gear B are respectively connected to the interlocking gear A and the interlocking gear B through a belt; the upper side of the outer surface of the left silo and the right silo are correspondingly provided with a left silo inlet and a right silo inlet, The left hopper inlet and the right hopper inlet are respectively connected with a left horizontal screw conveyor and a right horizontal screw conveyor, and the left horizontal screw conveyor and the right horizontal screw conveyor are respectively connected with a raw material bin A and a raw material bin B; A V-shaped connecting pipe is connected to the left and right silo outlets of the left silo and the right silo, and a mixing outlet is provided at the bottom middle of the V-shaped connecting pipe; a mixing silo is provided on the base, the The bottom of the mixing bin is provided with a mixing bin outlet, and an electromagnetic valve C is arranged on the outlet of the mixing bin; a motor B is arranged on the left side of the mixing bin, and a horizontal stirring paddle C is arranged in the mixing bin, The horizontal stirring paddle C is driven by the motor B, the upper part of the mixing bin is provided with a mixing bin inlet, and the mixing bin inlet is connected with the mixing outlet at the bottom of the V-shaped connecting pipe; the base is provided with a cavity, the A conveyor belt is arranged in the cavity; a color material inlet is arranged on the upper right side of the mixing bin, and the color material inlet is connected to a conveying pipe, and the conveying pipe is connected to a color material bin.

Further, the motor A is provided with a soundproof and dustproof cover.

Further, a PLC controller is arranged outside the body of the premixing device, and the PLC controller communicates with metering device A, metering device B, left horizontal screw conveyor, right horizontal screw conveyor, motor A, motor B, Solenoid valve A is connected with solenoid valve B and solenoid valve C.

After adopting the above-mentioned structure, the beneficial effects of the utility model are: a premixing device for an extruder described in the utility model, which adopts two feed bins with metering devices, and the two feed bins are fed by a horizontal screw conveyor. material, and the agitating paddles with stirring knives set in the two silos perform primary agitation, and then import into the storage silo for secondary agitation. It has a simple structure and is easy to operate. The materials are fully mixed, which improves the quality of the finished products after the materials enter the extruder, and improves the market competitiveness.

【Description of drawings】

The accompanying drawings described here are used to provide a further understanding of the utility model and constitute a part of the application, but do not constitute an improper limitation of the utility model. In the accompanying drawings:

Fig. 1 is a structural representation of the utility model;

Explanation of reference signs:

1. Raw material warehouse A; 2. Left horizontal screw conveyor; 3. Left material bin; 4. Stirring paddle A; 5. Linkage gear A; 6. Drive gear A; 7. Drive gear B; 8. Motor A; 9. Interlocking gear B; 10. Stirring paddle B; 11. Right horizontal screw conveyor; 12. Raw material bin B; 13. Right bin; 14. Metering device B; 15. Conveying pipe; 16. Pigment inlet; 17. Electromagnetic valve C; 18. Mixing bin; 19. Conveyor belt; 20. Base; 21. Horizontal stirring paddle C; 22. Motor B; 24. Measuring device A;

【Detailed ways】

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, wherein the schematic embodiments and descriptions are only used to explain the utility model, but not as a limitation to the utility model.

As shown in Figure 1, a premixing device for an extruder according to this specific embodiment includes a premixing device body, and the premixing device body includes a base 20 on which a support rod 23 is arranged. , the support rod 23 is provided with a ring frame 25, the left and right sides of the ring frame 25 are correspondingly provided with a left feed bin 3 and a right feed bin 13, and the bottoms of the left feed bin 3 and the right feed bin 13 are respectively provided with left feed bins. The bin outlet and the right bin outlet, the left bin outlet and the right bin outlet are respectively provided with a metering device A24 and a metering device B14, and the nozzle ends of the left bin outlet and the right bin outlet are respectively provided with an electromagnetic valve A and electromagnetic valve B; the left feed bin 3 and the right feed bin 13 are respectively inserted with stirring paddle A4 and paddle B10, and both sides of the rod body of the paddle A4 and paddle B10 are provided with crushing stirring knives; The outer ends of the stirring paddle A4 and the stirring paddle B10 are respectively provided with interlocking gear A5 and interlocking gear B9; the middle part of the ring frame 25 is provided with an upper bracket, and the upper bracket is provided with a motor A8, and the shaft of the motor A8 Drive gear A6 and drive gear B7 of the same size are arranged on the shaft bar from top to bottom, and the drive gear A6 and drive gear B7 are respectively connected with the linkage gear A5 and the linkage gear B9 through a belt; the left feed bin 3 Corresponding to the upper side of the outer surface of the right silo 13, a left silo inlet and a right silo inlet are provided, and the left silo inlet and the right silo inlet are respectively connected with a left horizontal screw conveyor 2 and a right horizontal screw conveyor 11. The left horizontal screw conveyor 2 and the right horizontal screw conveyor 11 are respectively connected with the raw material bin A1 and the raw material bin B12; the left bin outlet and the right bin outlet of the left bin 3 and the right bin 13 are connected with a V-shaped connection Pipe, the middle part of the bottom of the V-shaped connecting pipe is provided with a mixing outlet; the base 20 is provided with a mixing bin 18, and the bottom of the mixing bin 18 is provided with a mixing bin outlet, and the mixing bin outlet is provided with There is an electromagnetic valve C17; the left side of the mixing bin 18 is provided with a motor B22, the mixing bin 18 is provided with a horizontal stirring paddle C21, and the horizontal stirring paddle C21 is driven by the motor B22, and the upper part of the mixing bin 18 is set The inlet of the mixing bin, the inlet of the mixing bin communicates with the mixing outlet at the bottom of the V-shaped connecting pipe; a cavity is arranged in the base 20, and a conveyor belt 19 is arranged in the cavity; the right side of the mixing bin 18 The upper part is provided with a color material inlet 16, and the color material inlet 16 is connected with a conveying pipe 15, and the conveying pipe 15 is connected with a color material bin.

As a preference of the present utility model, the motor A8 is provided with a soundproof and dustproof cover.

As a preference of the present utility model, a PLC controller 26 is arranged outside the body of the premixing device. The conveyor 11, the motor A8, the motor B22, the solenoid valve A, the solenoid valve B and the solenoid valve C17 are connected.

When the utility model is in use, through the PLC controller, the first raw material and the second raw material in the raw material warehouse A and the raw material warehouse B are respectively passed through the left horizontal screw conveyor 2 and the right horizontal screw conveyor 11 to transfer the first raw material and the second raw material Import them into the left silo 3 and right silo 13 respectively. At this time, the metering device A24 and the metering device B14 set on the left silo 3 and right silo 13 start to measure, feed in proportion, and then pass through the PLC controller To control the work of the motor A8, drive the stirring paddle A4 and the stirring paddle B10 to work, carry out sufficient crushing powder treatment on raw material A and raw material B, and perform primary crushing and stirring; at this time, use the PLC controller to open the setting at the outlet of the left silo and The electromagnetic valve A and the electromagnetic valve B at the nozzle end of the outlet of the right silo lead the two raw materials into the mixing silo 18 through the V-shaped connecting pipe, then import the color material, start the motor B, and fully stir through the horizontal stirring paddle C , This is the second-stage mixing. After fully stirring and mixing, the material is introduced to the conveyor belt in the base, and then sent to the feeding hopper of the extruder for the next process.

A premixing device for an extruder described in the utility model adopts two feed bins with metering devices, the two feed bins are fed by a horizontal screw conveyor, and the belts set in the two feed bins The stirring paddle of the mixing knife performs primary stirring, and then imports it into the storage bin for secondary stirring. It has a simple structure and is easy to operate. Through two-stage crushing and stirring, the materials are fully mixed, thereby improving the efficiency of the materials entering the extrusion process. The quality of the finished product after the machine has improved the market competitiveness.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (3)

1. A kind of premixer for extruder, it is characterized in that: it comprises premixer body, and described premixer body comprises a base (20), and this base (20) is provided with support bar (23), The support rod (23) is provided with a ring frame (25), and the left and right sides of the ring frame (25) are correspondingly provided with a left feed bin (3) and a right feed bin (13), the left feed bin (3) and the right feed bin (13). The bottom of the right silo (13) is respectively provided with a left silo outlet and a right silo outlet, and the left silo outlet and the right silo outlet are respectively provided with a metering device A (24) and a metering device B (14). The nozzle ends of the outlet of the left silo and the outlet of the right silo are respectively provided with an electromagnetic valve A and an electromagnetic valve B; the left silo (3) and the right silo (13) are respectively inserted with stirring paddles A (4) and stirring paddle B (10), the rod body both sides of this stirring paddle A (4) and stirring paddle B (10) are all provided with crushing stirring knives; The ends are respectively provided with interlocking gear A (5) and interlocking gear B (9); the middle part of the ring frame (25) is provided with an upper bracket, and the upper bracket is provided with a motor A (8), and the motor A ( 8) Drive gear A (6) and drive gear B (7) of the same size are arranged from top to bottom on the shaft rod of the crankshaft, and the drive gear A (6) and drive gear B (7) are respectively connected to the belt through the belt. The interlocking gear A (5) is connected with the interlocking gear B (9); the left silo (3) and the upper side of the right silo (13) are provided with a left silo inlet and a right silo inlet correspondingly on the upper side of the outer surface. The left silo inlet and the right silo inlet are respectively connected with a left horizontal screw conveyor (2) and a right horizontal screw conveyor (11), and the left horizontal screw conveyor (2) and the right horizontal screw conveyor (11) are respectively connected There are raw material bin A (1) and raw material bin B (12); the left bin outlet and the right bin outlet of the left bin (3) and the right bin (13) are connected with a V-shaped connecting pipe, and the V-shaped The middle part of the bottom of the connecting pipe is provided with a mixing outlet; the base (20) is provided with a mixing bin (18), and the bottom of the mixing bin (18) is provided with a mixing bin outlet, and on the mixing bin outlet An electromagnetic valve C (17) is provided; a motor B (22) is provided on the left side of the mixing bin (18), and a horizontal stirring paddle C (21) is arranged in the mixing bin (18). Paddle C (21) is driven by motor B (22), and this mixing bin (18) top is provided with mixing bin inlet, and this mixing bin inlet is connected with the mixing outlet at the bottom of the V-shaped connecting pipe; the base ( 20) is provided with a cavity, and a conveyor belt (19;) is provided in the cavity, and the upper right side of the mixing bin (18) is provided with a color material inlet (16), and the color material inlet (16) is connected to the delivery pipe (15) , the conveying pipe (15) is connected with a colored material bin. 2. A premixing device for an extruder according to claim 1, characterized in that: the motor A (8) is provided with a soundproof and dustproof cover. 3. a kind of extruder premixing device according to claim 1, is characterized in that: a PLC controller (26) is arranged outside the described premixing device body, and this PLC controller (26) communicates respectively with Metering device A (24), metering device B (14), left horizontal screw conveyor (2), right horizontal screw conveyor (11), motor A (8), motor B (22), solenoid valve A and solenoid valve B is connected with electromagnetic valve C (17).