CN212888834U

CN212888834U - Feeding, melting and extruding system for foamed plastic products

Info

Publication number: CN212888834U
Application number: CN202021452551.9U
Authority: CN
Inventors: 鄢钰钦; 梁谦龙; 明椿翔
Original assignee: Hubei Dingming Environmental Materials Co ltd
Current assignee: Hubei Dingming Environmental Materials Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-04-06
Anticipated expiration: 2030-07-22

Abstract

The utility model discloses a feeding melting extrusion system of foamed plastic products, including feeding mechanism, hot melt hopper, extrusion aircraft nose device and the conveying roller of transversely arranging in proper order, the hot melt hopper is installed in the below of feeding mechanism end, hot melt hopper and extrusion aircraft nose device are through the conveyor through connection, conveyor is including the conveying pipeline of connecting hot melt hopper and extrusion aircraft nose device, locate the screw axis of conveying pipeline inside and drive the motor that the screw axis rotated, be provided with the meltback conveying mechanism who is located the conveying pipeline top between hot melt hopper and the extrusion aircraft nose device, the conveying roller is located below the extrusion opening of extrusion aircraft nose device; the utility model provides a technical scheme has realized the autoloading of the solid plastic raw materials of foamed plastic goods production, has fully melted, gas outgoing, produces thickness even, the qualified yoga mat of quality.

Description

Feeding, melting and extruding system for foamed plastic products

Technical Field

The utility model relates to a manufacturing equipment technical field of expanded plastics goods, in particular to expanded plastics goods's material loading melting extrusion system.

Background

The foamed plastic product extruder generally comprises a hot melting hopper, an extruder head device, a material conveying pipe and a driving device, and is used for extruding and molding the molten foamed plastic. In the production process of the yoga mat, plastic particles are required to be guided into a melting hopper to melt raw materials, and the melted raw materials are conveyed to an extruder head device to be extruded and formed into a yoga mat blank. The traditional feeding melting extrusion system of the foaming plastic products has the following defects: 1) the plastic particles are directly heated and melted in the material conveying pipe, and air mixed in the solid plastic particles is extruded out along with the melted plastic after the solid plastic particles are melted, so that the produced yoga mat can generate point-shaped defects due to bubbles; 2) solid plastics are heated in the conveying pipe, so that the solid plastics are not heated intensively, a large amount of heat is wasted, the solid plastic particles cannot be fully melted, and the insufficiently melted plastics can be melted back in time without a back-melting mechanism, so that the produced yoga mat is unqualified; 3) the inner surface of an extrusion cavity in the original extruder head device is flat, and the extruded yoga mat has uneven thickness due to the fluidity of plastic fluid in the extrusion forming process, so that the subsequent processing is influenced; 4) the feeding of the melting hopper is carried out manually, so that the labor intensity is high and the production efficiency is low.

Disclosure of Invention

The utility model aims at providing a material loading melting extrusion system of expanded plastics, aim at solving above-mentioned problem, this expanded plastics's material loading melting extrusion system, the raw materials utilization is abundant, the energy saving, and production plastic products is of high quality, and production efficiency is high.

For realizing the above-mentioned purpose, the utility model provides a foamed plastic products's material loading melting extrusion system, including feeding mechanism, hot melt hopper, extrusion aircraft nose device and the conveying roller of transversely arranging in proper order, the hot melt hopper is installed in the terminal below of feeding mechanism, hot melt hopper and extrusion aircraft nose device pass through conveyor through-connection, conveyor is including connecting hot melt hopper and extrusion aircraft nose device's conveying pipeline, locating inside screw axis and the drive of conveying pipeline screw axis pivoted motor, be provided with the meltback conveying mechanism who is located the conveying pipeline top between hot melt hopper and the extrusion aircraft nose device, the conveying roller is located extrusion aircraft nose device's extrusion mouth below.

Preferably, the feeding mechanism comprises a feeding roller way and a charging trolley, the feeding roller way extends to the hot melting hopper from the ground in an upward inclined mode, and the charging trolley is slidably mounted on the feeding roller way through a chain and chain wheel assembly.

Preferably, the extruder head device comprises a lower profiling cover and an upper profiling cover which are correspondingly arranged, the upper profiling cover can be rotatably opened or closed with the lower profiling cover, a first groove is arranged on the inner surface of each profiling cover, a second groove in circular arc transition connection is arranged on the inner bottom surface of each first groove, when the two profiling covers are closed, the two second grooves and the two first grooves correspondingly form a middle extrusion cavity and a side extrusion cavity which are communicated with the discharge port, the thickness of the middle extrusion cavity is larger than that of the side extrusion cavity, and extrusion ports which are thick in the middle and thin in two sides are formed on the outer side surfaces of the two profiling covers.

Preferably, meltback conveying mechanism includes conveyer belt and the motor of drive conveyer belt transmission, the conveyer belt is located the top of conveying pipeline and from the setting of extruding the aircraft nose device to the upwards slope of hot melt hopper.

In the technical scheme of the utility model, through the material loading melting extrusion system of foamed plastic product, including feeding mechanism, hot melt hopper, extrusion aircraft nose device and the conveying roller of transversely arranging in proper order, the hot melt hopper is installed in the below of feeding mechanism end, hot melt hopper and extrusion aircraft nose device link up through the conveyor, the conveyor is including the conveying pipeline of connecting hot melt hopper and extrusion aircraft nose device, locate the screw axis of conveying pipeline inside and drive the motor that the screw axis rotated, be provided with the meltback conveying mechanism who is located the conveying pipeline top between hot melt hopper and the extrusion aircraft nose device, the conveying roller is located below the extrusion opening of extrusion aircraft nose device; the yoga mat has the advantages of realizing automatic feeding, full melting and gas discharge of solid plastic raw materials for producing foamed plastic products, and producing the yoga mat with uniform thickness and qualified quality.

The utility model has the advantages of it is following:

(1) the solid plastic particles are conveyed to the melting hopper through the feeding mechanism, so that automatic feeding can be realized, the labor intensity of workers is reduced, and the production efficiency is improved;

(2) the melting hopper is adopted to heat and melt the solid plastic, gas can be discharged in the melting process, and defects of the yoga mat are avoided;

(3) the arrangement of the meltback conveying mechanism can melt back insufficiently melted plastics in time, so that the utilization rate of raw materials and the quality qualification rate of the yoga mat are improved, the production cost is reduced, and the production quality of the yoga mat is improved;

(4) the extruder head device structure can effectively offset the fluidity of plastic fluid in the extrusion forming process of the molten plastic fluid, and extrude yoga mat blanks with uniform thickness, thereby being convenient for the subsequent processing and production of the yoga mat, reducing the production cost and improving the production quality of the yoga mat.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a feeding melt extrusion system for foamed plastic products provided by the present invention;

FIG. 2 is a schematic front view of FIG. 1;

FIG. 3 is a schematic view of the two forming hoods of FIG. 1 shown in an open configuration;

fig. 4 is a schematic structural view of the two profiling covers in fig. 1 when they are closed.

The reference numbers illustrate: 1-feeding mechanism, 11-feeding roller way, 12-loading trolley, 2-hot melting hopper, 3-extrusion head device, 31-lower pressing cover, 32-upper pressing cover, 33-first groove, 34-second groove, 35-middle extrusion cavity, 36-side extrusion cavity, 37-extrusion opening, 4-conveying roller, 5-conveying device, 51-conveying pipe, 52-motor, 6-remelting conveying mechanism and 61-conveying belt.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The utility model provides a material loading melting extrusion system of expanded plastics, figure 1 to figure 4 are the utility model provides a schematic diagram of embodiment of material loading melting extrusion system of expanded plastics.

Referring to fig. 1 and 2, the feeding, melting and extruding system for foamed plastic products includes a feeding mechanism 1, a hot melting hopper 2, an extruder head device 3 and conveying rollers 4, which are arranged in sequence and transversely, the hot melting hopper 2 is installed below the end of the feeding mechanism 1, the hot melting hopper 2 and the extruder head device 3 are connected through a conveying device 5, the conveying device 5 includes a conveying pipe 51 connecting the hot melting hopper 2 and the extruder head device 3, a screw shaft (not shown) disposed inside the conveying pipe 51, and a motor 52 driving the screw shaft to rotate, a melt-back conveying mechanism 7 disposed above the conveying pipe 51 is disposed between the hot melting hopper 2 and the extruder head device 3, and the conveying rollers 4 are disposed below an extrusion port 37 of the extruder head device 3.

In the technical scheme of the utility model, through foamed plastic product's material loading melting extrusion system, including feeding mechanism 1, hot melt hopper 2, extrusion head device 3 and the conveying roller 4 of transversely arranging in proper order, hot melt hopper 2 is installed in the below of feeding mechanism 1 end, hot melt hopper 2 and extrusion head device 3 are through-connected through conveying device 5, conveying device 5 is including the conveying pipeline 51 of connecting hot melt hopper 2 and extrusion head device 3, locate screw axis (not shown) and drive the screw axis pivoted motor 52 inside conveying pipeline 51, be provided with the meltback conveying mechanism 7 that is located the conveying pipeline 51 top between hot melt hopper 2 and the extrusion head device 3, conveying roller 4 is located extrusion head device 3's extrusion mouth 37 below; the yoga mat has the advantages of automatic feeding, full melting and gas discharge of solid plastic raw materials for producing foamed plastic products, and uniform thickness and qualified quality.

In this embodiment, please refer to fig. 1 and 2, the feeding mechanism 1 includes a feeding roller table 11 and a charging trolley 12, the feeding roller table 11 extends from the ground to the hot-melting hopper 2 in an upward inclined manner, and the charging trolley 12 is slidably mounted on the feeding roller table 11 through a chain and sprocket assembly.

In this embodiment, please refer to fig. 3 and 4, the extruder head device 3 includes a lower molding cover 31 and an upper molding cover 32 which are correspondingly disposed, and the upper molding cover 32 can be opened by rotating or closed with the lower molding cover 31, a first groove 33 is disposed on an inner surface of each molding cover, a second groove 34 in arc transition connection is disposed on an inner bottom surface of the first groove 33, when the two molding covers are closed, the two second grooves 34 and the two first grooves 33 correspondingly form a middle extrusion cavity 35 and a side extrusion cavity 36 which are communicated with the discharge port, a thickness of the middle extrusion cavity 35 is greater than a thickness of the side extrusion cavity 36, and extrusion ports 37 which are thick in the middle and thin at two sides are formed on outer side surfaces of the two molding covers.

In this embodiment, please refer to fig. 1 and fig. 2, the melt-back conveying mechanism 6 includes a conveying belt 61 and a motor (not shown) for driving the conveying belt 61 to convey, and the conveying belt 61 is disposed above the conveying pipe 51 and is inclined upward from the extrusion head device 3 to the hot melt hopper 2.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A material loading melting extrusion system of expanded plastics article which characterized in that: including feeding mechanism, hot melt hopper, extrusion aircraft nose device and the conveying roller of transversely arranging in proper order, the hot melt hopper is installed in the terminal below of feeding mechanism, hot melt hopper and extrusion aircraft nose device pass through conveyor through connections, conveyor is including connecting hot melt hopper and extrusion aircraft nose device's conveying pipeline, locating inside screw axis and the drive of conveying pipeline the screw axis pivoted motor, be provided with the meltback conveying mechanism who is located the conveying pipeline top between hot melt hopper and the extrusion aircraft nose device, the conveying roller is located extrusion aircraft nose device's extrusion mouth below.

2. A feed melt extrusion system for a foamed plastic article according to claim 1, wherein: the feeding mechanism comprises a feeding roller way and a charging trolley, the feeding roller way is inclined upwards from the ground and extends to the hot melting hopper, and the charging trolley is slidably mounted on the feeding roller way through a chain and chain wheel assembly.

3. A feed melt extrusion system for a foamed plastic article according to claim 1, wherein: the extruder head device comprises a lower pressing cover and an upper pressing cover which are correspondingly arranged, the upper pressing cover can be rotatably opened or closed with the lower pressing cover, a first groove is arranged on the inner surface of each pressing cover, a second groove in circular arc transitional connection is arranged on the inner bottom surface of the first groove, when the two pressing covers are closed, the two second grooves and the two first grooves correspond to form a middle extruding cavity and a side extruding cavity which are communicated with a discharge port, the thickness of the middle extruding cavity is larger than that of the side extruding cavity, and extruding ports which are thick in the middle and thin in two sides are formed in the outer side surfaces of the two pressing covers.

4. A feed melt extrusion system for a foamed plastic article according to claim 1, wherein: the meltback conveying mechanism comprises a conveying belt and a motor for driving the conveying belt to transmit, wherein the conveying belt is arranged above the conveying pipe and is arranged upwards in an upwards inclining manner from the extrusion machine head device to the hot melt hopper.