Mixing device for production and preparation of PET polyester master batch

By employing a fishtail agitator and gear system in the production of PET polyester masterbatch, the problem of uneven mixing of raw materials was solved, achieving efficient mixing and equipment sealing, thereby improving product quality and equipment lifespan.

CN223904249UActive Publication Date: 2026-02-13ANHUI GUOFENG PLASTIC +1
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520290419.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-24
Publication Date
2026-02-13
Estimated Expiration
2035-02-24

AI Technical Summary

Technical Problem

In the current production of PET polyester masterbatch, uneven mixing of raw materials leads to a decline in product performance, and the existing equipment has low mixing efficiency.

Method used

The system employs a first and second fish-tail stirring blade in conjunction with a gear system. The stirring tube is driven to rotate by a motor, and combined with a reciprocating stirring mechanism and a feeding mechanism, it achieves comprehensive stirring and sealed feeding, thereby improving the mixing effect and efficiency.

Benefits of technology

It achieves uniform mixing of PET polyester masterbatch raw materials, improves mixing effect and efficiency, reduces the entry of impurities from the air, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223904249U_ABST
    Figure CN223904249U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of PET polyester master batch production, and particularly relates to a PET polyester master batch production and preparation mixing device which comprises a mixing box, a detachable cover plate is arranged at the top of the mixing box, and a stirring pipe is rotatably installed at the top of the cover plate in a penetrating mode. Two first fishtail stirring blades are fixed to the outer wall of the stirring pipe and located in the material mixing box, a plurality of protruding blocks are arranged on the outer walls of the first fishtail stirring blades, a first gear is fixed to the outer wall of the stirring pipe and located above the cover plate, and a second gear meshed with the first gear is arranged at the top of the cover plate; a motor is arranged at the top of the cover plate, a gear column meshed with the second gear is fixed to an output shaft of the motor, a reciprocating stirring mechanism is arranged on the outer wall of the stirring pipe and located in the mixing box, and a discharging mechanism is arranged at the top of the cover plate. According to the utility model, raw materials for preparing the PET polyester master batch can be comprehensively stirred and mixed, and the mixing effect and the mixing efficiency of the raw materials can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model belongs to PET polyester masterbatch production technical field, concretely relates to a kind of PET polyester masterbatch production preparation mixing device. BACKGROUND

[0002] The raw materials for producing and preparing PET polyester masterbatch include terephthalic acid, ethylene glycol, trimethyl phosphate, catalyst, silicon dioxide, etc. The production process mainly includes esterification reaction, polycondensation reaction, granulation cutting, etc. According to the different adding time, the raw materials are divided into two categories. One is the other raw material mixed solution, which is added to the reaction kettle before esterification reaction, including terephthalic acid, ethylene glycol, trimethyl phosphate, catalyst, etc. The other is the silica dispersion liquid, which is added to the reaction kettle after esterification reaction and before polycondensation reaction. It is mainly a solution of silica particles and ethylene glycol mixed together. The other raw material mixed solution and the silica dispersion liquid with good mixing uniformity are beneficial to the preparation of PET polyester masterbatch with better quality. However, there are problems such as insufficient stirring and low mixing efficiency during mixing, which leads to uneven mixing of raw materials and affects the performance of the product. Therefore, a structure is proposed to improve the mixing uniformity of raw materials. SUMMARY

[0003] The utility model aims to provide a kind of PET polyester masterbatch production preparation mixing device, can be overall stirred and mixed to the preparation PET polyester masterbatch raw material, can improve the mixing effect of raw material, also improve the mixing efficiency of raw material.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] A PET polyester masterbatch production preparation mixing device includes a mixing box. A detachable cover plate is provided on the top of the mixing box. A stirring pipe is rotatably installed on the top of the cover plate. Two first fish tail stirring blades are fixed to the outer wall of the stirring pipe inside the mixing box. A plurality of protruding blocks are provided on the outer wall of the first fish tail stirring blade. A first gear is fixed to the outer wall of the stirring pipe above the cover plate. A second gear is provided on the top of the cover plate and engaged with the first gear. A motor is provided on the top of the cover plate. A gear column engaged with the second gear is fixed to the output shaft of the motor. A reciprocating stirring mechanism is provided on the outer wall of the stirring pipe inside the mixing box. A discharging mechanism is provided on the top of the cover plate.

[0006] The reciprocating stirring mechanism comprises a rotatingly installed rotating shaft in the interior of the stirring tube, the outer wall of the rotating shaft and the outer wall in the stirring tube are fixed with two discs, the top of the disc is provided with a reciprocating annular groove, the reciprocating annular groove is slidingly installed with two limiting sliding blocks, the outer wall of the stirring tube is slidingly penetrated with a first connecting rod fixed with the limiting sliding block, the other end of the first connecting rod is rotatingly installed with a second connecting rod, the outer wall of the stirring tube is rotatingly installed with a second fish tail stirring blade rotatingly connected with the second connecting rod, the outer wall of the second fish tail stirring blade is penetratingly provided with a plurality of through grooves, and the top of the rotating shaft and above the stirring tube are fixed with a third gear meshing with the gear column.

[0007] The discharging mechanism comprises a discharging pipe fixed through the top of the cover plate, a sealing rubber sheet is arranged in the interior of the discharging pipe, a rice-shaped groove is penetratingly arranged in the top of the sealing rubber sheet, a discharging hopper sliding up and down is inserted into the interior of the discharging pipe and above the sealing rubber sheet, a hydraulic cylinder fixedly connected with the discharging hopper is fixed to the top of the cover plate, and a sealing cover is hinged to one side of the top of the discharging hopper.

[0008] A sealing ring sealingly and slidingly connected with the discharging hopper is fixed to the inner side of the discharging pipe.

[0009] The top of the cover plate is provided with a protective cover for protecting the motor.

[0010] The technical effects achieved by the utility model are as follows:

[0011] The first fish tail stirring blade and the second fish tail stirring blade are driven to rotate by the motor cooperating with the gear column, the first gear and the second gear, the stirring tube drives the first fish tail stirring blade and the second fish tail stirring blade to rotate, meanwhile, the gear column cooperates with the third gear to drive the disc on the rotating shaft to rotate, cooperates with the reciprocating annular groove and the limiting sliding block, drives the first connecting rod to reciprocatingly move left and right, the first connecting rod drives the second fish tail stirring blade to swing up and down through the second connecting rod, and fully stirs and mixes the PET polyester masterbatch raw material, which can improve the mixing effect of the raw material and the mixing efficiency of the raw material, the protruding block and the through groove further improve the mixing effect and efficiency of the equipment.

[0012] The discharging mechanism is arranged, the raw material of the PET polyester masterbatch is first put into the discharging hopper, then the sealing cover is covered, the hydraulic cylinder is started, the hydraulic cylinder drives the discharging hopper to move downwards, the bottom end of the discharging hopper penetrates through the sealing rubber sheet, then the raw material in the discharging hopper enters the mixing box, the structure is simple, the operation is convenient, the sealing property of discharging is improved, and the impurities in the air are reduced from entering the mixed raw material in the mixing process. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0014] Figure 2 is a top view of the utility model;

[0015] Figure 3 is a partial view of the utility model;

[0016] Figure 4 is a view of the fish tail stirring blade of the utility model;

[0017] Figure 5 is a partial view of the reciprocating stirring mechanism of the utility model.

[0018] In the drawings, the components represented by each reference numeral are listed as follows:

[0019] Mixing box 1;Cover plate 2;Stirring pipe 3;First fish tail stirring blade 4;Protruding block 5;First gear 6;Second gear 7;Motor 8;Gear column 9;Shaft 10;Third gear 11;Disc 12;Reciprocating annular groove 13;First connecting rod 14;Limiting sliding block 15;Second connecting rod 16;Second fish tail stirring blade 17;Through groove 18;Protective cover 19;Discharging pipe 20;Discharging hopper 21;Hydraulic cylinder 22;Sealing ring 23;Sealing cover 24;Sealing rubber sheet 25. DETAILED DESCRIPTION

[0020] In order to make the purpose and advantages of the utility model more clear and obvious, the utility model is specifically described below in combination with examples.It should be understood that the following text is only used to describe one or several specific embodiments of the utility model, and does not strictly limit the protection scope of the utility model specifically requested.

[0021] As Figures 1-5 shown, a kind of PET polyester masterbatch production preparation mixing device, including mixing box 1, the top of mixing box 1 is detachably provided with cover plate 2, the top of cover plate 2 is rotatably installed with stirring pipe 3, the outer wall of stirring pipe 3 and in mixing box 1 are fixed with two first fish tail stirring blades 4, the outer wall of first fish tail stirring blade 4 is provided with multiple protruding blocks 5, the outer wall of stirring pipe 3 and above cover plate 2 are fixed with first gear 6, the top of cover plate 2 is rotatably provided with second gear 7 meshing with first gear 6, the top of cover plate 2 is provided with motor 8, the output shaft of motor 8 is fixed with gear column 9 meshing with second gear 7, the outer wall of stirring pipe 3 and in mixing box 1 are provided with reciprocating stirring mechanism, the top of cover plate 2 is provided with discharging mechanism;

[0022] The reciprocating stirring mechanism comprises a rotatingly installed rotating shaft 10 in the interior of the stirring pipe 3, two discs 12 are fixed on the outer wall of the rotating shaft 10 and in the stirring pipe 3, a reciprocating annular groove 13 is formed in the top of the disc 12, two limiting sliding blocks 15 are slidingly installed in the reciprocating annular groove 13, the first connecting rod 14 is slidingly connected with the limiting sliding block 15 and penetrates through the outer wall of the stirring pipe 3, the second connecting rod 16 is rotatably installed at the other end of the first connecting rod 14, the second fish tail stirring blade 17 is rotatably installed on the outer wall of the stirring pipe 3 and rotatably connected with the second connecting rod 16, a plurality of through grooves 18 are formed in the outer wall of the second fish tail stirring blade 17, and the third gear 11 is fixed on the top of the rotating shaft 10 and above the stirring pipe 3 and engaged with the gear column 9.

[0023] According to the above structure, the motor 8 drives the gear column 9 to rotate, the gear column 9 drives the stirring pipe 3 to rotate in cooperation with the first gear 6 and the second gear 7, the stirring pipe 3 drives the first fish tail stirring blade 4 and the second fish tail stirring blade 17 to rotate and stirs and mixes the PET polyester material raw materials, at the same time, the gear column 9 drives the rotating shaft 10 to rotate in cooperation with the third gear 11, the rotating shaft 10 drives the disc 12 to rotate, since the reciprocating annular groove 13 is arc-shaped as a whole, the limiting sliding block 15 slidingly connected thereon can be pushed to rotate, since the second connecting rod 16 is rotatably connected with the second fish tail stirring blade 17, the sliding direction of the first connecting rod 14 can be guided, therefore, the limiting sliding block 15 and the first connecting rod 14 fixedly connected therewith start to linearly reciprocate along the length direction of the first connecting rod 14, at this time, the first connecting rod 14 drives the second fish tail stirring blade 17 to swing up and down with the rotating connection part of the stirring pipe 3 as the fulcrum in cooperation with the second connecting rod 16, which can improve the mixing effect of the raw materials.

[0024] The discharging mechanism comprises a discharging pipe 20 fixedly penetrating through the top of the cover plate 2, a sealing rubber sheet 25 is arranged in the interior of the discharging pipe 20, the sealing rubber sheet 25 has appropriate hardness, a rice-shaped groove is formed in the top of the sealing rubber sheet 25, a discharging hopper 21 slidingly connected with the sealing rubber sheet 25 is inserted into the interior of the discharging pipe 20 and above the sealing rubber sheet 25, the hydraulic cylinder 22 fixedly connected with the discharging hopper 21 is fixed to the top of the cover plate 2, and the sealing cover 24 is hingedly connected to one side of the top of the discharging hopper 21; the sealing ring 23 fixedly connected with the discharging hopper 21 is arranged on the inner side of the discharging pipe 20, which increases the sealing property of the connection between the discharging hopper 21 and the discharging pipe 20.

[0025] According to the above structure, the PET polyester master batch raw material is first placed into the lower hopper 21, then the sealing cover 24 is covered, then the hydraulic cylinder 22 is started, the hydraulic cylinder 22 drives the lower hopper 21 to move downwards, the bottom end of the lower hopper 21 penetrates through the sealing rubber sheet 25, then the raw material in the lower hopper 21 enters the mixing box 1, the structure is simple, the operation is convenient, the sealing property of the feeding is improved, and the impurities in the air are reduced from entering the mixed raw material.

[0026] The top of the cover plate 2 is provided with a protective cover 19 for protecting the motor 8, and the protective cover 19 is arranged to protect the motor 8, thereby prolonging the service life of the equipment.

[0027] The working principle of the utility model is: the PET polyester master batch raw material is first placed into the lower hopper 21, then the sealing cover 24 is covered, then the hydraulic cylinder 22 is started, the hydraulic cylinder 22 drives the lower hopper 21 to move downwards, the bottom end of the lower hopper 21 penetrates through the sealing rubber sheet 25, then the raw material in the lower hopper 21 enters the mixing box 1, then the motor 8 is started to drive the gear column 9 to rotate, the gear column 9 cooperates with the first gear 6 and the second gear 7 to drive the stirring pipe 3 to rotate, the stirring pipe 3 drives the first fish tail stirring blade 4 and the second fish tail stirring blade 17 to rotate, and the PET polyester master batch raw material is stirred and mixed, at the same time, the gear column 9 cooperates with the third gear 11 to drive the rotating shaft 10 to rotate, the rotating shaft 10 drives the disc 12 to rotate, the disc 12 drives the reciprocating annular groove 13 to rotate, the reciprocating annular groove 13 cooperates with the limiting sliding block 15 to drive the first connecting rod 14 to reciprocate left and right, the first connecting rod 14 cooperates with the second connecting rod 16 to drive the second fish tail stirring blade 17 to swing up and down, and the mixing effect of the raw material is further improved.

[0028] The above only describes the preferred embodiments of the utility model, and it should be pointed out that, for ordinary skilled persons in the technical field, some improvements and decorations can be made without departing from the principle of the utility model, and these improvements and decorations should also be regarded as the protection range of the utility model. The structures, devices and operation methods not specifically described and explained in the utility model are implemented according to the conventional means in the field without special description and limitation.

Claims

1. A PET polyester masterbatch production compounding device comprising a compounding box (1), characterized in that: The top of the mixing box (1) is provided with a detachable cover plate (2), the top of the cover plate (2) is rotatably provided with a stirring pipe (3), the outer wall of the stirring pipe (3) and located in the mixing box (1) is fixed with two first fish tail stirring blades (4), and the outer wall of the first fish tail stirring blade (4) is provided with a plurality of protruding blocks (5).

2. A PET polyester compound production preparation mixing device according to claim 1, characterized in that: The outer wall of the stirring pipe (3) and located above the cover plate (2) is fixed with a first gear (6), the top of the cover plate (2) is rotatably provided with a second gear (7) engaged with the first gear (6), the top of the cover plate (2) is provided with a motor (8), the output shaft of the motor (8) is fixed with a gear column (9) engaged with the second gear (7), the outer wall of the stirring pipe (3) and located in the mixing box (1) is provided with a reciprocating stirring mechanism, and the top of the cover plate (2) is provided with a discharging mechanism.

3. A PET polyester compound production preparation mixing device according to claim 2, characterized in that: The reciprocating stirring mechanism comprises a rotating shaft (10) rotatably installed in the stirring pipe (3), the outer wall of the rotating shaft (10) and located in the outer wall of the stirring pipe (3) is fixed with two discs (12), and the top of the disc (12) is provided with a reciprocating annular groove (13).

4. A PET polyester compound production preparation mixing device according to claim 3, characterized in that: The reciprocating annular groove (13) is slidably provided with two limiting sliding blocks (15), the outer wall of the stirring pipe (3) is slidably provided with a first connecting rod (14) fixed with the limiting sliding block (15), the other end of the first connecting rod (14) is rotatably provided with a second connecting rod (16), and the outer wall of the stirring pipe (3) is rotatably provided with a second fish tail stirring blade (17) rotatably connected with the second connecting rod (16).

5. A PET polyester compound production preparation mixing device according to claim 4, characterized in that: The outer wall of the second fish tail stirring blade (17) is provided with a plurality of through grooves (18), the top of the rotating shaft (10) and located above the stirring pipe (3) is fixed with a third gear (11) engaged with the gear column (9).

6. A PET polyester compound production preparation mixing device according to claim 2, characterized in that: The discharging mechanism comprises a discharging pipe (20) fixedly penetrating the top of the cover plate (2), the inside of the discharging pipe (20) is provided with a sealing rubber sheet (25), the top of the sealing rubber sheet (25) is provided with a rice-shaped groove, the inside of the discharging pipe (20) and located above the sealing rubber sheet (25) is inserted with a discharging hopper (21) which can slide up and down, the top of the cover plate (2) is fixedly provided with a hydraulic cylinder (22) fixedly connected with the discharging hopper (21), and the top of the discharging hopper (21) is hingedly provided with a sealing cover (24).

7. A PET polyester compound production preparation mixing device according to claim 6, characterized in that: The inside of the discharging pipe (20) is fixedly provided with a sealing ring (23) sealingly and slidably connected with the discharging hopper (21).

8. A PET polyester compound production preparation mixing device according to claim 1, characterized in that: The top of the cover plate (2) is provided with a protective cover (19) for protecting the motor (8). The top of the cover plate (2) is provided with a protective cover (19) for protecting the motor (8).