CN110712336A

CN110712336A - EPS foam plastic forming device for inner package of household appliance

Info

Publication number: CN110712336A
Application number: CN201911156489.0A
Authority: CN
Inventors: 江太君; 梁洁
Original assignee: Hunan University of Technology
Current assignee: Hunan University of Technology
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-01-21

Abstract

The invention relates to the technical field of foamed plastics, and discloses an EPS foamed plastic forming device for inner packaging of household appliances, which comprises a roller, wherein the interior of the roller is movably connected with a rotating body, the surface of the rotating body is fixedly connected with an extrusion piece, one end of the extrusion piece, which is far away from the rotating body, is fixedly connected with a shaft sleeve, the surface of the shaft sleeve is movably connected with a rotating shaft, one end of the rotating shaft, which is far away from the roller, is movably connected with a push plate, and one side of the push plate. The surface of the rotating shaft is driven to move through the shaft sleeve, the rotating body is indirectly extruded, when the surface of the retaining ring is moved, the rotating body does not move any more, meanwhile, the rotating body is continuously rubbed and filled with the filling bag, so the pressure value of the rotating body can be kept unchanged, if the temperature in the rotating body is too high at the moment, the rotating roller can rotate, the air hole in the surface of the rotating roller is opened, heat dissipation is carried out, and the cold shrinkage of the filling bag is smaller than the thermal expansion speed, so that the effect of continuously compressing the filling bag after the filling is achieved.

Description

EPS foam plastic forming device for inner package of household appliance

Technical Field

The invention relates to the technical field of foamed plastics, in particular to an EPS foamed plastic forming device for inner packaging of household appliances.

Background

It is a chemical material, is called polystyrene foam plastics, and is widely used in the fields of packaging, heat preservation, water proofing, heat insulation, shock absorption and the like due to the characteristics of light weight, firmness, shock absorption, low moisture absorption, easy forming, good water resistance, heat insulation, low price and the like, and is one of the most widely used plastics in the world today.

In the process of manufacturing and molding the plastic molding device, the pressure value and the temperature of the reaction cavity play a decisive role, and the pressure value and the temperature are connected, but the existing plastic molding device can only control the pressure value and the temperature independently, and the connection between the pressure value and the temperature can only be completed by depending on a set value; in addition, most of foam plastic molding machines directly introduce heated raw material liquid into the molding bin without compressing the molding bin, so that the produced foam plastic has low strength and cannot meet the requirement of the market on the quality of the foam plastic, and therefore, the EPS foam plastic molding device for the inner package of the household appliance is produced at the latest.

Disclosure of Invention

In order to achieve the purposes of strong temperature and pressure relation and continuous compaction after the filling, the invention provides the following technical scheme: a EPS foamed plastic forming device for domestic appliance inner packing, including the cylinder, the inside swing joint of cylinder has the rotor, and the fixed surface of rotor is connected with the extruded article, and the one end fixedly connected with axle sleeve of rotor is kept away from to the extruded article, and the surface swing joint of axle sleeve has the pivot, the one end swing joint that the cylinder was kept away from in the pivot has the push pedal, and one side fixed connection that the pivot was kept away from to the push pedal is connected with the hinge, and the one end swing joint that the push pedal was kept away from to the hinge has damping spring, and the equal swing joint in both ends of push pedal.

The invention has the beneficial effects that:

1. through inside putting into the rotor with the melt, start the driver part, it is rotatory to make the rotatory rotor that drives of pivot, add various chemical agents, the rotor constantly rolls with melt and medicament intensive mixing and reaction, with this time, the continuous friction of rotor is filled and is wrapped the production of heat, fill the package and receive the thermal expansion grow and extrude the rotor, its inside pressure grow when the rotor is extruded, can drive the compression spring in the extruded article when the rotor shrink and be stretched, it removes at the surface of pivot to drive the axle sleeve, play the effect of a centre gripping to the rotor that is extruded, keep its inside pressure value unchangeable or increase continuously, thereby reached the effect that improves the associativity between the temperature pressure.

2. The surface of the rotating shaft is driven to move through the shaft sleeve, the rotating body is indirectly extruded, when the surface of the retaining ring is moved, the rotating body does not move any more, meanwhile, the rotating body is continuously rubbed and filled with the filling bag, so the pressure value of the rotating body can be kept unchanged, if the temperature in the rotating body is too high at the moment, the rotating roller can rotate, the air hole in the surface of the rotating roller is opened, heat dissipation is carried out, and the cold shrinkage of the filling bag is smaller than the thermal expansion speed, so that the effect of continuously compressing the filling bag after the filling is achieved.

Preferably, the extruded part comprises a screw rod, the surface of the screw rod is sleeved with a retaining ring, and the retaining ring plays a limiting role and prevents the extruded part from being excessively damaged.

Preferably, a compression spring is fixedly connected to the inner portion of the retaining ring.

Preferably, the shaft sleeve is movably connected with the rotating shaft through threads, so that the shaft sleeve can conveniently move on the surface of the rotating shaft,

preferably, a filling bag is connected between the roller and the rotating body in a sliding manner.

Preferably, the filling bag is a material capable of expanding with heat and contracting with cold, and the expanding with heat is faster than the contracting with cold.

Preferably, the distance that the shaft sleeve slides on the surface of the rotating shaft is smaller than the diameter of the retaining ring, so that the damage to the rotating body caused by excessive movement is prevented.

Preferably, the surface of the roller is provided with air holes to play a role in exhausting and radiating.

Drawings

FIG. 1 is a front cross-sectional view of the drum construction of the present invention;

FIG. 2 is a schematic view of the structure of the drum of the present invention;

FIG. 3 is a front sectional view of the case structure of the present invention;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic view of an extrusion of the present invention.

In the figure: 1-roller, 2-rotor, 3-extrusion piece, 4-shaft sleeve, 5-rotating shaft, 6-push plate, 7-hinge, 8-damping spring, 9-guide rail, 10-box, 11-screw, 12-retaining ring, 13-compression spring, 14-screw and 15-filling bag.

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. 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. 1-5, an EPS foam molding device for inner packaging of a household appliance comprises a roller 1, wherein the surface of the roller 1 is provided with air holes to play a role in exhausting and dissipating heat, the inside of the roller 1 is movably connected with a rotor 2, a filling bag 15 is slidably connected between the roller 1 and the rotor 2, the filling bag 15 is made of a material with thermal expansion and cold contraction, the thermal expansion speed is higher than the cold contraction speed, the surface of the rotor 2 is fixedly connected with an extrusion piece 3, the extrusion piece 3 comprises a screw 11, the surface of the screw 11 is sleeved with a retaining ring 12, the retaining ring 12 plays a role in limiting, the damage caused by excessive extrusion is prevented, the compression spring 13 is fixedly connected inside the retaining ring 12, the continuous friction of the rotor 2 generates heat, the filling bag 15 expands when heated and extrudes the rotor 2, the pressure inside the rotor 2 is increased when being extruded, the rotor 2 contracts and drives the compression spring 13 in the extrusion piece 3 to be stretched, the shaft sleeve 4 is driven to move on the surface of the rotating shaft 5, so that the extruded rotating body 2 is clamped, the pressure value in the rotating body is kept unchanged or continuously increased, and the relevance between the temperature and the pressure is improved; the shaft sleeve 4 is driven to move on the surface of the rotating shaft 5, and indirectly extrudes the rotating body 2, when the rotating body 2 moves to the surface of the retaining ring 12, the rotating body does not move any more, meanwhile, the rotating body 2 is continuously rubbed to fill the packing 15, so the pressure value of the rotating body 2 can be kept unchanged, if the temperature in the rotating body 2 is overhigh at the moment, the roller 1 can be rotated, air holes on the surface of the roller are opened for heat dissipation, the cold contraction of the packing 15 is less than the thermal expansion speed, the effect of continuously compressing after being introduced is achieved, one end, far away from the rotating body 2, of the extrusion piece 3 is fixedly connected with the shaft sleeve 4, the shaft sleeve 4 is movably connected with the rotating shaft 5 through threads 14, the effect of enabling the shaft sleeve 4 to conveniently move on the surface of the rotating shaft 5 is achieved, the surface of the shaft sleeve 4 is movably connected with the rotating shaft 5, the sliding, the one end swing joint that cylinder 1 was kept away from in pivot 5 has push pedal 6, and one side fixed connection that pivot 5 was kept away from to push pedal 6 is connected with hinge 7, and the one end swing joint that push pedal 6 was kept away from to hinge 7 has damping spring 8, and the equal swing joint in both ends of push pedal 6 has guide rail 9, and one side fixedly connected with box 10 of push pedal 6 is kept away from to guide rail 9.

When the device is used, a melt is placed in the rotating body 2, the driving part is started, the rotating shaft 5 is made to rotate to drive the rotating body 2 to rotate, various chemical agents are added, the rotating body 2 rolls continuously to fully mix and react the melt with the agents, when the device is used, the rotating body 2 continuously rubs the filling bag 15 to generate heat, the filling bag 15 expands when heated and extrudes the rotating body 2, the pressure in the rotating body 2 is increased when the rotating body 2 is extruded, the compression spring 13 in the extrusion piece 3 can be driven to stretch while the rotating body 2 contracts, the shaft sleeve 4 is driven to move on the surface of the rotating shaft 5, the extruded rotating body 2 is clamped, the pressure value in the rotating body is kept unchanged or continuously increased, and the relevance between the temperature and the pressure is improved; move on the surface of pivot 5 through above-mentioned axle sleeve 4 is driven, and indirect extrusion rotor 2, when it moves to keeping off when holding ring 12 surfaces, just no longer remove, meanwhile, rotor 2 still packs 15 at continuous friction packing, so the pressure value of rotor 2 can remain unchanged, if the high temperature in rotor 2 this moment, rotatable cylinder 1, make the gas pocket on its surface open, dispel the heat, and the shrinkage that packs 15 is filled is less than the speed of expend with heat, play and let in the effect that the back lasts to compress tightly.

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 able to cover the technical scope of the present invention and the equivalent alternatives or modifications according to the technical solution and the inventive concept of the present invention within the technical scope of the present invention.

Claims

1. A EPS foamed plastic forming device for domestic appliance inner packing, including cylinder (1), its characterized in that: a rotating body (2) is movably connected inside the roller (1), an extrusion part (3) is fixedly connected to the surface of the rotating body (2), a shaft sleeve (4) is fixedly connected to one end, far away from the rotating body (2), of the extrusion part (3), and a rotating shaft (5) is movably connected to the surface of the shaft sleeve (4);

the one end swing joint that cylinder (1) was kept away from in pivot (5) has push pedal (6), and one side fixed connection that pivot (5) were kept away from in push pedal (6) is connected with hinge (7), and the one end swing joint that push pedal (6) were kept away from in hinge (7) has damping spring (8), and the equal swing joint in both ends of push pedal (6) has guide rail (9), and one side fixedly connected with box (10) of push pedal (6) are kept away from in guide rail (9).

2. The EPS foam molding device for inner packaging of home appliances according to claim 1, characterized in that: the extrusion piece (3) comprises a screw rod (11), and a retaining ring (12) is sleeved on the surface of the screw rod (11).

3. The EPS foam molding device for inner packaging of home appliances according to claim 2, characterized in that: and a compression spring (13) is fixedly connected inside the retaining ring (12).

4. The EPS foam molding device for inner packaging of home appliances according to claim 1, characterized in that: the shaft sleeve (4) is movably connected with the rotating shaft (5) through threads (14).

5. The EPS foam molding device for inner packaging of home appliances according to claim 1, characterized in that: a filling bag (15) is connected between the roller (1) and the rotating body (2) in a sliding manner.

6. An EPS foam molding apparatus for inner packaging of home appliances according to claim 5, characterized in that: the filling bag (15) is made of a material capable of expanding with heat and contracting with cold, and the expanding with heat speed is greater than the contracting with cold speed.

7. The EPS foam molding device for inner packaging of home appliances according to claim 1, characterized in that: the sliding distance of the shaft sleeve (4) on the surface of the rotating shaft (5) is smaller than the diameter of the retaining ring (12).

8. The EPS foam molding device for inner packaging of home appliances according to claim 1, characterized in that: the surface of the roller (1) is provided with air holes.