CN217704635U

CN217704635U - Double-screw co-rotating mixing extruder for manufacturing starch-based plastics

Info

Publication number: CN217704635U
Application number: CN202222019090.1U
Authority: CN
Inventors: 黄卫平; 王鑫洁; 高峰; 李昊原
Original assignee: Beijing Zhonggao Green Biotechnology Co ltd
Current assignee: Xinjiang Zhonggao Green Biotechnology Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2022-11-01
Anticipated expiration: 2032-08-02

Abstract

The utility model discloses a double-screw co-directional mixing extruder for manufacturing starch-based plastics, which comprises a machine barrel and two groups of screws, wherein the two groups of screws are arranged in the machine barrel; the utility model relates to an extrusion moulding equipment technical field. This a double screw syntropy mixing extruder for making starch base plastics through the syntropy runner assembly who sets up, can drive two sets of screws and carry out stable syntropy and rotate, can produce starch base plastics high-efficiently, and each component of starch base plastics who obtains is mixed evenly, and tensile strength is high, has good and stable performance.

Description

Double-screw co-rotating mixing extruder for manufacturing starch-based plastics

Technical Field

The utility model relates to an extrusion moulding equipment technical field specifically is a double screw syntropy mixing extruder for making starch base plastics.

Background

In the seventies of the twentieth century, people find that the starch can be added into the plastic to prepare a plastic product, and the plastic product adopts renewable resource starch to partially replace non-renewable resource petroleum plastic. With the further development of the technology, starch-based plastics (usually prepared by taking starch as a main component and adding plastics and related auxiliaries) taking starch as a main component are popularized and applied, and play a great role in relieving increasingly serious pollution of waste plastics and saving petroleum resources which are in short supply.

However, starch-based plastics have a high starch content, and therefore, many technical problems need to be solved in the manufacturing process. Besides the need to determine a proper raw material formula system, a proper production device is also needed, the production device often plays an important role in determining whether the manufactured starch-based plastic achieves the use performance, the traditional production mode cannot efficiently produce the starch-based plastic, and the components of the obtained starch-based plastic cannot be uniformly mixed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a double screw syntropy mixing extruder for making starch base plastics has solved current double screw syntropy mixing extruder, can not produce starch base plastics high-efficiently when using to the starch base plastics each component that obtains can not the mixing even problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a double-screw co-directional mixing extruder for manufacturing starch-based plastics comprises a machine barrel and two groups of screws, wherein the two groups of screws are arranged inside the machine barrel, a gear box is arranged at the left side end of the machine barrel, a motor is arranged at the left side end of the gear box, a co-directional rotating assembly is arranged inside the gear box, the top of the left side of the machine barrel is communicated with a feeding hopper, a linkage assembly is arranged at the left side end of the feeding hopper, and a stirring assembly is arranged inside the feeding hopper; the syntropy runner assembly includes to be installed at the first pinion of gear box left side end through the axis of rotation, the output of motor and the one end fixed connection of axis of rotation, one side meshing transmission of first pinion is connected with first gear wheel, the first bull gear of fixedly connected with goes up the first dwang, and first dwang passes through the inside that the bearing rotated and install at the gear box, the circumference outer surface fixed connection of first dwang has the second pinion, and the second pinion is located the right side of first gear wheel, one side meshing transmission of second pinion is connected with the second gear wheel, the centre of a circle fixedly connected with second dwang of second gear wheel, and the second dwang passes through the bearing and rotates and install on the gear box, the right side of first dwang and second dwang all runs through the gear box and extends to the outside.

Preferably, the left ends of the two sets of screws are fixedly connected with linkage rods, and the left ends of the two sets of linkage rods are fixedly connected with the right ends of the first rotating rod and the second rotating rod respectively.

Preferably, the stirring assembly is including rotating two sets of movable rods that set up at barrel top loading hopper inside, and is two sets of the loading hopper extends to the outside all is run through in the left side of movable rod, the equal fixedly connected with loop bar in circumference surface of movable rod, the equal fixed mounting in circumference surface of loop bar has the puddler.

Preferably, the movable rod is provided with two groups of loop bars, and each group of loop bars is provided with three groups of stirring rods.

Preferably, the linkage assembly comprises first transmission gears fixedly mounted on the two groups of linkage rods, the left side ends of the two groups of linkage rods are fixedly connected with second transmission gears on the outer circumferential surfaces of the movable rods, and the second transmission gears and the first transmission gears are in transmission connection through transmission chains.

Preferably, a feed inlet communicated with the bottom of the feeding hopper is formed in the top of the left side end of the machine barrel, and a discharge outlet is formed in the bottom of the right side end of the machine barrel.

Advantageous effects

The utility model provides a double-screw co-rotating mixing extruder for manufacturing starch-based plastics. Compared with the prior art, the method has the following beneficial effects:

(1) This a double screw syntropy mixing extruder for making starch base plastics, drive first pinion rotation through opening the motor, first pinion drives the first gear wheel rotation of one side meshing, make first gear wheel can drive first dwang rotation, first dwang drives the second pinion rotation, the second pinion drives the second gear wheel rotation of one side meshing, the second gear wheel drives the second dwang rotation, and then the syntropy that can drive two sets of trace and screw rod through the rotation of first dwang and second dwang rotates, through the syntropy runner assembly who sets up, can drive two sets of screw rods and carry out stable syntropy and rotate, can produce starch base plastics high-efficiently, each component of the starch base plastics that obtain is mixed evenly, high tensile strength, and has good and stable performance.

(2) This a double-screw syntropy mixing extruder for making starch base plastics, rotation through two sets of second dwangs can drive two sets of trace rods and rotate, two sets of trace rods pass through drive chain and drive second drive gear and rotate, second drive gear drives two sets of movable rods and rotates, thereby make the movable rod drive two sets of loop bars and puddler and rotate, thereby make the puddler can carry out hybrid processing to the inside interpolation raw materials of loading hopper, stirring subassembly through setting up, be convenient for mix the processing of breaing up making starch base plastics raw materials, thereby strengthen mixing extruder's mixing effect.

Drawings

Fig. 1 is an external structure diagram of the present invention;

FIG. 2 is a schematic structural view of a homodromous rotating assembly inside a gearbox according to the present invention;

FIG. 3 is a schematic structural view of a stirring assembly of the present invention;

fig. 4 is a schematic structural view of the interior of the cylinder of the present invention.

In the figure: 1. a barrel; 2. a gear case; 3. a motor; 4. a hopper; 5. a linkage assembly; 6. a stirring assembly; 101. a screw; 102. a discharge port; 201. a first pinion gear; 202. a first rotating lever; 203. a first bull gear; 204. a second pinion gear; 205. a second bull gear; 206. a second rotating rod; 501. a linkage rod; 502. a first drive gear; 503. a second transmission gear; 504. a drive chain; 601. a movable rod; 602. a loop bar; 603. a stirring rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a double-screw co-directional mixing extruder for manufacturing starch-based plastics comprises a machine barrel 1 and two groups of screws 101, wherein the two groups of screws 101 are arranged inside the machine barrel 1, a gear box 2 is arranged at the left side end of the machine barrel 1, a motor 3 is arranged at the left side end of the gear box 2, a co-directional rotating assembly is arranged inside the gear box 2, a feeding hopper 4 is communicated with the top of the left side of the machine barrel 1, a linkage assembly 5 is arranged at the left side end of the feeding hopper 4, and a stirring assembly 6 is arranged inside the feeding hopper 4; the homodromous rotating component comprises a first pinion 201 installed at the left side end of a gear box 2 through a rotating shaft, the output end of a motor 3 is fixedly connected with one end of the rotating shaft, one side of the first pinion 201 is connected with a first gearwheel 203 in a meshing transmission mode, a first rotating rod 202 is fixedly connected to the first gearwheel 203 and is installed inside the gear box 2 through a bearing in a rotating mode, a second pinion 204 is fixedly connected to the outer circumferential surface of the first rotating rod 202, the second pinion 204 is located on the right side of the first gearwheel 203, one side of the second pinion 204 is connected with a second gearwheel 205 in a meshing transmission mode, a second rotating rod 206 is fixedly connected to the circle center of the second gearwheel 205, the second rotating rod 206 is installed on the gear box 2 through a bearing in a rotating mode, and the right side ends of the first rotating rod 202 and the second rotating rod 206 penetrate through the gear box 2 and extend to the outside.

In this embodiment, the left ends of the two sets of screws 101 are both fixedly connected with the linkage rods 501, and the left ends of the two sets of linkage rods 501 are respectively fixedly connected with the right ends of the first rotating rod 202 and the second rotating rod 206.

In this embodiment, rotation through two sets of second dwang 206 can drive two sets of trace 501 and rotate, two sets of trace 501 drive second drive gear 503 through drive chain 504 and rotate, second drive gear 503 drives two sets of movable rod 601 and rotates, thereby make movable rod 601 drive two sets of loop bars 602 and puddler 603 and rotate, thereby make puddler 603 can carry out hybrid processing to the inside raw materials that adds of loading hopper 4, linkage subassembly 5 includes first drive gear 502 of fixed mounting on two sets of trace 501, the circumference surface fixedly connected with second drive gear 503 of the two sets of movable rod 601 of left side end, second drive gear 503 all carries out the transmission with first drive gear 502 through drive chain 504 and is connected, stirring subassembly 6 is including rotating two sets of movable rod 601 that set up inside at barrel 1 top loading hopper 4, the left side of two sets of movable rod 601 all runs through loading hopper 4 and extends to the outside, the equal fixedly connected with loop bar 602 in circumference surface of movable rod 601, the equal fixed mounting in circumference surface of loop bar 602 has the puddler 603, be provided with two sets of loop bars 602 on the movable rod 601, all be provided with three sets of stirring loop bars 603 on every set 602.

In this embodiment, the top of the left end of the cylinder 1 is provided with a feed inlet communicated with the bottom of the hopper 4, and the bottom of the right end of the cylinder 1 is provided with a discharge outlet 102.

And those not described in detail in this specification are well within the skill of those in the art.

When the starch-based plastic production device works, the motor 3 is started to drive the first pinion 201 to rotate, the first pinion 201 drives the first gearwheel 203 meshed with one side to rotate, so that the first gearwheel 203 can drive the first rotating rod 202 to rotate, the first rotating rod 202 drives the second pinion 204 to rotate, the second pinion 204 drives the second gearwheel 205 meshed with one side to rotate, the second gearwheel 205 drives the second rotating rod 206 to rotate, further, the two groups of linkage rods 501 and the screw rods 101 can be driven to rotate in the same direction through the rotation of the first rotating rod 202 and the second rotating rod 206, the two groups of screw rods 101 can be driven to stably rotate in the same direction through the arranged homodromous rotating assembly, the starch-based plastic can be efficiently produced, and the obtained starch-based plastic has the advantages of uniform mixing of all components, high tensile strength and good and stable performance; rotation through two sets of second dwang 206 can drive two sets of trace 501 rotations, two sets of trace 501 drive second drive gear 503 through drive chain 504 and rotate, second drive gear 503 drives two sets of movable rod 601 and rotates, thereby make movable rod 601 drive two sets of loop bars 602 and puddler 603 and rotate, thereby make puddler 603 can mix the processing to 4 inside interpolation raw materials of loading hopper, stirring subassembly 6 through setting up, be convenient for mix the processing of breaing up making starch base plastics raw materials, thereby strengthen mixing extruder's mixing effect, the above is exactly a double screw syntropy mixing extruder's that is used for making starch base plastics theory of operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A twin-screw co-rotating mixing extruder for manufacturing starch-based plastics, comprising a barrel (1), two sets of screws (101), two sets of said screws (101) being arranged inside the barrel (1), characterized in that: a gear box (2) is arranged at the left side end of the machine barrel (1), a motor (3) is arranged at the left side end of the gear box (2), a homodromous rotating assembly is arranged in the gear box (2), a feeding hopper (4) is communicated with the top of the left side of the machine barrel (1), a linkage assembly (5) is arranged at the left side end of the feeding hopper (4), and a stirring assembly (6) is arranged in the feeding hopper (4);

the syntropy runner assembly includes and installs first pinion (201) in gear box (2) left side end through the axis of rotation, the output of motor (3) and the one end fixed connection of axis of rotation, one side meshing transmission of first pinion (201) is connected with first gear wheel (203), first gear wheel (203) is gone up first bull gear (202) of fixedly connected with, and first bull gear (202) rotate through the bearing and install the inside in gear box (2), the circumference outer surface fixedly connected with second pinion (204) of first bull gear (202), and second pinion (204) are located the right side of first gear wheel (203), one side meshing transmission of second pinion (204) is connected with second gear wheel (205), the centre of a circle of second gear wheel (205) is located fixedly connected with second bull gear (206), and second bull gear (206) rotate through the bearing and install on gear box (2), first bull gear (202) all run through gear box (2) with the right side end of second bull gear (206) and extend to the outside.

2. The twin-screw co-kneading extruder for the production of starch-based plastics according to claim 1, characterized in that: two sets of the equal fixedly connected with trace (501) of left side end of screw rod (101), two sets of the left side end of trace (501) respectively with the right side end fixed connection of first dwang (202) and second dwang (206).

3. A twin screw co-kneading extruder for the manufacture of starch-based plastics according to claim 2, characterised in that: stirring subassembly (6) are including rotating two sets of movable rod (601) that set up in barrel (1) top loading hopper (4) inside, and are two sets of hopper (4) are all run through in the left side of movable rod (601) and extend to the outside, the equal fixedly connected with loop bar (602) of circumference surface of movable rod (601), the equal fixed mounting in circumference surface of loop bar (602) has puddler (603).

4. A twin screw co-kneading extruder for the manufacture of starch-based plastics according to claim 3, characterised in that: two groups of loop bars (602) are arranged on the movable rod (601), and three groups of stirring rods (603) are arranged on each loop bar (602).

5. The twin-screw co-kneading extruder for the production of starch-based plastics according to claim 4, characterized in that: linkage subassembly (5) are including first drive gear (502) of fixed mounting on two sets of trace (501), and the left side end is two sets of the circumference surface fixedly connected with second drive gear (503) of movable rod (601), second drive gear (503) all carry out the transmission with first drive gear (502) through drive chain (504) and are connected.

6. A twin-screw co-kneading extruder for the manufacture of starch-based plastics according to claim 1, characterised in that: the feeding device is characterized in that a feeding hole communicated with the bottom of the feeding hopper (4) is formed in the top of the left side end of the machine barrel (1), and a discharging hole (102) is formed in the bottom of the right side end of the machine barrel (1).