CN114701143A

CN114701143A - Sheet extrusion molding device of degradable tableware

Info

Publication number: CN114701143A
Application number: CN202210472940.5A
Authority: CN
Inventors: 何宏武; 吕光春; 王平; 鲁飞; 庄利坚
Original assignee: Suzhou Hanfeng New Material Co ltd
Current assignee: Suzhou Hanfeng New Material Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-07-05

Abstract

The invention relates to the technical field of degradable tableware production, in particular to a sheet extrusion molding device for degradable tableware, which comprises a mixing box and a feeding hole arranged at the upper side of the mixing box, wherein a stirring paddle is arranged in the mixing box, a stirring motor corresponding to the stirring paddle is arranged at one side of the mixing box, an extrusion device is arranged at the bottom of the mixing box, the extrusion device comprises a feeding hopper, a shell, an extrusion sleeve and a molding pipe, a connecting sleeve is arranged at the bottom of the feeding hopper, a packing auger is arranged in the connecting sleeve, the extrusion sleeve and the molding pipe are sequentially connected, a cooling device is sleeved on the outer side of the molding pipe, and the extrusion sleeve comprises a round hole end disc, a gradual change pipe and a square hole end disc. The shell is sealed, the temperature of the extrusion molding stage is conveniently and accurately controlled by filling the heat-insulating liquid in the shell, the material is prevented from being solidified or degraded to influence the production progress, and meanwhile, the material is cooled and formed by matching with a cooling device on the forming pipe, so that the working reliability of the equipment is ensured.

Description

Sheet extrusion molding device of degradable tableware

Technical Field

The invention relates to the technical field of degradable tableware production, in particular to a sheet extrusion molding device of degradable tableware.

Background

Along with the application of high polymer materials in various fields, the pollution of waste high polymer materials to the environment tends to be increasingly aggravated, plastics are the most widely applied high polymer materials and are positioned at the top of the world according to volume calculation, along with the application of a large number of high polymer materials in various fields, the pollution of waste high polymer materials to the environment tends to be increasingly aggravated, wherein plastic products for various packaging purposes have the characteristics of short service cycle and easiness in discarding, and great pollution is brought to the environment.

The development of degradable high molecular materials acceptable for the environment is an important approach for solving the environmental pollution, the biodegradable high molecular materials are decomposed into small molecular compounds through the chemical action of the nature or added microorganisms, and then enter a natural circulation process, the method is simple and effective, and has a positive effect on the environmental protection, most of disposable lunch boxes, packaging boxes and other packaging products are formed by sheet materials through various moulds through plastic suction, so that the popularization of the degradable sheet materials has a positive effect on solving the problem of waste plastic treatment.

At present, the main production process of the degradable sheet is divided into 2 links, a double-screw extruder is firstly adopted to carry out mixing granulation on each material in the 1 st link, and then finished sheets are manufactured by various sheet extruders (such as the double-screw extruder, a single-screw extruder, a conical double-screw extruder and the like) in the 2 nd link.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a sheet extrusion molding device capable of degrading tableware.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a sheet extrusion moulding device of degradable tableware, includes the mixing box and sets up the feed inlet at the mixing box upside, be equipped with the stirring rake in the mixing box, mixing box one side is equipped with the agitator motor who corresponds with the stirring rake, the mixing box bottom is equipped with extrusion device, extrusion device includes feeder hopper, shell, extrusion cover and forming tube, the feeder hopper bottom is equipped with the adapter sleeve, be equipped with the auger in the adapter sleeve, connect gradually between adapter sleeve, extrusion cover and the forming tube, the forming tube outside cover is equipped with cooling device, the extrusion cover includes round hole end plate, gradual change pipe and square hole end plate, shell one side is equipped with auger motor.

Preferably, the stirring rake slope sets up, mixing box bottom inner wall corresponds the setting with the stirring rake.

Preferably, the feed inlet sets up in the stirring rake upside, extrusion device sets up in stirring rake one side lower part, the feed inlet staggers each other with extrusion device.

Preferably, the feed hopper is communicated with the mixing box, and the shell is arranged outside the connecting sleeve, the extrusion sleeve and the forming pipe in a sealing manner.

Preferably, the inner side of the shell is filled with heat preservation liquid, and one side of the shell is provided with a temperature control heating device.

Preferably, the auger diameter is reduced gradually from one end close to the auger motor to one end close to the connecting sleeve, and the auger is matched with the connecting sleeve.

Preferably, the two ends of the gradual change pipe are respectively matched with the round hole end disc and the square hole end disc, and the gradual change pipe is gradually changed from the round pipe to the square pipe.

The beneficial effects of the invention are as follows:

compared with the prior art, the shell is sealed, the temperature of the extrusion forming stage is conveniently and accurately controlled by filling the heat-preservation liquid in the shell, the material is prevented from solidifying or degrading to influence the production progress, and meanwhile, the cooling device on the forming pipe is matched to cool and form the material, so that the working reliability of equipment is ensured.

Drawings

FIG. 1 is a schematic view of the overall assembly structure of a sheet extrusion molding device for degradable tableware according to the present invention;

FIG. 2 is a schematic structural diagram of a pressing device of a sheet extrusion molding device for degradable tableware according to the present invention;

FIG. 3 is a schematic diagram of a three-dimensional structure of an extrusion sleeve of a sheet extrusion molding device for degradable tableware according to the present invention.

In the figure: the device comprises a mixing box 1, a stirring paddle 2, an extrusion device 3, a packing auger motor 31, a feed hopper 32, a shell 33, an extrusion sleeve 34, a circular hole end disc 341, a gradual change pipe 342, a square hole end disc 343, a forming pipe 35, a cooling device 36, a heat preservation liquid 37, a connecting sleeve 38, a packing auger 39, a stirring motor 4 and a feed inlet 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a sheet extrusion molding device of degradable tableware, including mixing box 1 and the feed inlet 5 of setting in mixing box 1 upside, be equipped with stirring rake 2 in the mixing box 1, mixing box 1 one side is equipped with agitator motor 4 corresponding with stirring rake 2, mixing box 1 bottom is equipped with extrusion device 3, extrusion device 3 includes feeder hopper 32, shell 33, extrusion cover 34 and forming tube 35, feeder hopper 32 bottom is equipped with adapter sleeve 38, be equipped with auger 39 in the adapter sleeve 38, connect gradually between extrusion cover 34 and the forming tube 35, the outer cover of forming tube 35 is equipped with cooling device 36, extrusion cover 34 includes round hole end plate 341, gradual change pipe 342 and square hole end plate 343, shell 33 one side is equipped with auger motor 31.

In this embodiment, 2 slopes of stirring rake set up, and 1 bottom inner wall of mixing box corresponds the setting with stirring rake 2, and feed inlet 5 sets up in 2 upsides of stirring rake, and extrusion device 3 sets up in 2 one side lower parts of stirring rake, and feed inlet 5 staggers each other with extrusion device 3, and the raw materials of being convenient for carry out intensive mixing and mix, or cooperate firing equipment to heat, improves the material mixing effect.

Specifically, feeder hopper 32 communicates with each other with mixing box 1, and shell 33 sets up in adapter sleeve 38, extrusion cover 34 and the forming tube 35 outside, and sealed setting between them, and the inboard packing of shell 33 has heat preservation liquid 37, and shell 33 one side is equipped with control by temperature change heating device for accurate control extrudes raw materials temperature, avoids cooling in advance and solidifies.

Specifically, the diameter of the auger 39 is gradually reduced from one end close to the auger motor 31 to one end close to the connecting sleeve 38, and the auger 39 is matched with the connecting sleeve 38 and used for extruding the raw materials.

Specifically, the two ends of the gradual change pipe 342 are respectively matched with the circular hole end disc 341 and the square hole end disc 343, and the gradual change pipe 342 gradually changes from a circular pipe to a square pipe, so that the raw material is extruded into a sheet shape, and the subsequent forming is facilitated.

In this embodiment, the raw materials enter the mixing box 1 through the feed inlet 5, are stirred and mixed through the stirring paddle 2, enter the feed hopper 32, are extruded through the auger 39, ensure that the raw materials enter the extrusion sleeve 34, are gradually flattened, finally are cooled and formed in the forming tube 35 to form a sheet, and are convenient for subsequent processing or use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Claims

1. The utility model provides a sheet extrusion moulding device of degradable tableware, includes mixing box (1) and sets up feed inlet (5) at mixing box (1) upside, a serial communication port, be equipped with stirring rake (2) in mixing box (1), mixing box (1) one side is equipped with agitator motor (4) that correspond with stirring rake (2), mixing box (1) bottom is equipped with extrusion device (3), extrusion device (3) are including feeder hopper (32), shell (33), extrusion cover (34) and forming tube (35), feeder hopper (32) bottom is equipped with adapter sleeve (38), be equipped with auger (39) in adapter sleeve (38), connect gradually between adapter sleeve (38), extrusion cover (34) and forming tube (35), forming tube (35) outside cover is equipped with cooling device (36), extrusion cover (34) include round hole end plate (341), Gradual change pipe (342) and square hole end dish (343), shell (33) one side is equipped with auger motor (31).

2. The device for extruding and forming the degradable tableware sheet according to claim 1, wherein the stirring paddle (2) is obliquely arranged, and the inner wall of the bottom of the mixing box (1) is arranged corresponding to the stirring paddle (2).

3. The extrusion molding device for degradable tableware sheets as claimed in claim 2, wherein the feeding port (5) is disposed on the upper side of the stirring paddle (2), the extruding device (3) is disposed on the lower portion of one side of the stirring paddle (2), and the feeding port (5) and the extruding device (3) are staggered.

4. The extrusion molding device for the degradable tableware sheet material as claimed in claim 1, wherein the feed hopper (32) is communicated with the mixing box (1), and the outer shell (33) is arranged outside the connecting sleeve (38), the extruding sleeve (34) and the molding pipe (35) and is sealed therebetween.

5. The device for extruding and forming the degradable tableware sheet according to claim 4, wherein the inside of the outer shell (33) is filled with a thermal insulation liquid (37), and one side of the outer shell (33) is provided with a temperature control heating device.

6. The sheet extrusion molding device of the degradable tableware according to claim 1, wherein the diameter of the packing auger (39) is gradually reduced from the end near the packing auger motor (31) to the end near the connecting sleeve (38), and the packing auger (39) is matched with the connecting sleeve (38).

7. The extrusion molding device for a sheet material of degradable tableware according to claim 1, wherein the two ends of the tapered tube (342) are respectively matched with the round hole end disc (341) and the square hole end disc (343), and the tapered tube (342) is tapered from a round tube to a square tube.