CN110524783B

CN110524783B - Thermoplastic molding equipment based on electroluminescence principle

Info

Publication number: CN110524783B
Application number: CN201910819426.2A
Authority: CN
Inventors: 李达峰; 常玉光; 金慧春
Original assignee: Jiangsu Juxin Packaging Technology Co Ltd
Current assignee: Jiangsu Juxin Packaging Technology Co., Ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2021-06-15
Anticipated expiration: 2039-08-31
Also published as: CN110524783A

Abstract

The invention relates to the technical field of plastic molding, and discloses thermoplastic molding equipment based on an electroluminescence principle, which comprises a support frame, wherein the interior of the support frame is movably connected with an extrusion plate, the lower part of the extrusion plate is movably connected with a bottom plate, the upper part of the extrusion plate is movably connected with the inner top wall of the support frame through a spring, the interior of the extrusion plate is fixedly connected with an electro-optical mechanism, the surface of the bottom plate is provided with an injection molding channel, the electro-optical mechanism comprises a shell, the interior of the shell is fixedly connected with a light-emitting tube, and according to the heat effect of current: the conductor generates heat when energized and quantitatively explains the law of conduction current to convert electrical energy into heat. Because the electrode mechanism is arranged on the surface of the extrusion plate, the heat generated by the current is directly transferred to the surface of the extrusion plate, the temperature on the surface of the extrusion plate is improved, the temperature difference between the extrusion plate and the molten material is reduced, and the effect that the molten material is contacted with the surface of the cavity and the outer layer of the cavity can not generate a solid shell is achieved.

Description

Thermoplastic molding equipment based on electroluminescence principle

Technical Field

The invention relates to the technical field of plastic molding, in particular to thermoplastic molding equipment based on an electroluminescence principle.

Background

Plastics are high molecular compounds obtained by polymerization of monomers by addition polymerization or polycondensation, which have a moderate deformation resistance between fibers and rubber, and are composed of synthetic resin, fillers, plasticizers, stabilizers, lubricants, colorants, and other additives.

The plastic molding is an indispensable step for manufacturing plastic material articles, according to the characteristics of a plastic part, when the plastic part is molded, molten materials are in contact with the outer layer of the surface of a cavity and are immediately cooled to form a low-density solid shell, and due to poor thermal conductivity of the plastic, the inner layer of the plastic part is slowly cooled to form a high-density solid layer with large shrinkage, so that the phenomena of wall thickness, slow cooling and high-density layer thickness are caused, finally, the molded plastic product has large shrinkage deformation, and the injection molded article cannot reach the desired appearance, so that the thermoplastic molding equipment based on the electroluminescence principle is produced.

Disclosure of Invention

In order to realize the purposes that the outer layer of the molten material contacted with the surface of the cavity does not have a solid shell and the shrinkage rate of a molded product is reduced, the invention provides the following technical scheme: the utility model provides a thermoplastic forming equipment based on electroluminescence principle, the loach carrying platform comprises a supporting fram, the inside swing joint of support frame has the stripper plate, the lower part swing joint of stripper plate has the bottom plate, the inside roof swing joint of spring and support frame is passed through on the upper portion of stripper plate, the inside fixedly connected with electro-optical mechanism of stripper plate, the passageway of moulding plastics has been seted up on the surface of bottom plate, electro-optical mechanism includes the casing, the inside fixedly connected with luminotron of casing, the equal fixedly connected with electrophoresis pipe in both sides of luminotron, the one end fixedly connected with baffle of luminotron is kept away from to the electrophoresis pipe, the fixed surface of baffle is connected with the electro-magnet.

The invention has the beneficial effects that:

1. in letting in liquid resin support frame bottom plate through the passageway of moulding plastics, extrusion spring makes the optoelectrical mechanism be close to the bottom plate, starts electrode mechanism simultaneously with this, according to the electricity generation principle: the voltage applied to the two electrodes generates an electric field, electrons excited by the electric field collide with a luminescence center, and the electrons are caused to jump, change and compound between energy levels to cause a physical phenomenon of luminescence; the current generated by the electrode mechanism flows into the light-emitting tube through the hollow channel and the electrophoresis tube, so that the light wave generated by the light-emitting tube irradiates the inside of the liquid plastic, and the query data shows that the water molecules move violently due to the radiation of infrared rays, thereby improving the internal energy of the water molecules.

2. Generating a current through the electrode mechanism, according to the thermal effect of the current: the conductor can generate heat when being electrified, and the law of converting electric energy into heat energy by conducting current is quantitatively explained; because the electrode mechanism is arranged on the surface of the extrusion plate, the heat generated by the current is directly transferred to the surface of the extrusion plate, the temperature on the surface of the extrusion plate is improved, the temperature difference between the extrusion plate and the molten material is reduced, and the effect that the molten material is contacted with the surface of the cavity and the outer layer of the cavity can not generate a solid shell is achieved.

Preferably, the electrode mechanism comprises a hollow channel, a plate electrode is fixedly mounted inside the hollow channel, an adjusting plate is fixedly connected to the right side of the plate electrode, and a flow limiting opening is movably connected to one end, far away from the plate electrode, of the adjusting plate.

Preferably, the surface of the housing is provided with an air vent.

Preferably, both ends of the adjusting plate are movably connected with sliding grooves.

Preferably, the hollow channel is made of an insulating material.

Preferably, the electrode plates are symmetrically arranged, and the polarities of the symmetrical electrode plates are opposite.

Preferably, one end of the electrophoresis tube, which is far away from the light-emitting tube, is fixedly connected with the current flowing port.

Preferably, the light emitting tube is filled with an electroluminescent material.

Drawings

FIG. 1 is a front view of the support frame structure of the present invention;

FIG. 2 is a front cross-sectional view of the support frame structure of the present invention;

FIG. 3 is a schematic diagram of an electro-optical mechanism according to the present invention;

FIG. 4 is a schematic view of an electrode mechanism according to the present invention.

In the figure: 1-support frame, 2-extrusion plate, 3-bottom plate, 4-spring, 5-electro-optical mechanism, 6-injection molding channel, 7-shell, 8-luminous tube, 9-electrophoresis tube, 10-partition plate, 11-electromagnet, 12-electrode mechanism, 13-hollow channel, 14-electrode plate, 15-adjusting plate, 16-flow limiting port, 17-air vent and 18-chute.

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. 1-4, an apparatus for forming thermoplastic plastic based on electroluminescence principle comprises a supporting frame 1, a pressing plate 2 movably connected to the inside of the supporting frame 1, a bottom plate 3 movably connected to the lower portion of the pressing plate 2, a spring 4 movably connected to the upper portion of the pressing plate 2 and the top wall of the inside of the supporting frame 1, an electro-optical mechanism 5 fixedly connected to the inside of the pressing plate 2, an injection channel 6 formed on the surface of the bottom plate 3, the electro-optical mechanism 5 comprising a housing 7, a vent 17 formed on the surface of the housing 7, a light emitting tube 8 fixedly connected to the inside of the housing 7, an electroluminescence material filled in the light emitting tube 8, an electrophoresis tube 9 fixedly connected to both sides of the light emitting tube 8, a partition plate 10 fixedly connected to one end of the electrophoresis tube 9 far from the light emitting tube 8, an electromagnet 11 fixedly connected to the surface of, the electrode mechanism 12 comprises a hollow passage 13, the hollow passage 13 is made of insulating materials, an electrode plate 14 is fixedly mounted inside the hollow passage 13, the electrode plate 14 is symmetrically placed, the polarities of the symmetrical electrode plates 14 are opposite, an adjusting plate 15 is fixedly connected to the right side of the electrode plate 14, two ends of the adjusting plate 15 are respectively and movably connected with a sliding chute 18, one end, far away from the electrode plate 14, of the adjusting plate 15 is movably connected with a flow limiting port 16, and one end, far away from the light emitting tube 8, of the electrophoresis tube 9 is fixedly connected with the flow limiting port 16.

When the device is used, liquid resin is introduced into the bottom plate 3 of the support frame 1 through the injection molding channel 6, the spring 4 is extruded to enable the electro-optical mechanism 5 to be close to the bottom plate 3, meanwhile, the electrode mechanism 12 is started, and according to the principle of electrogenesis: the voltage applied to the two electrodes generates an electric field, electrons excited by the electric field collide with a luminescence center, and the electrons are caused to jump, change and compound between energy levels to cause a physical phenomenon of luminescence; the current generated by the electrode plate 14 in the electrode mechanism 12 flows into the light emitting tube 8 through the hollow channel 13 and the electrophoresis tube 9, the electromagnet 11 plays a guiding role for the current, so that the light wave generated by the light emitting tube 8 irradiates the inside of the liquid plastic, the contact range of the adjusting plate 15 and the current limiting port 16 can be controlled through the sliding distance of the adjusting plate 15 in the sliding groove 18, the size of the flowing current is controlled, the wavelength of the light wave irradiated by the light emitting tube 8 is further adjusted, the query data can know that the internal energy of the water molecules is improved due to the violent movement of the infrared radiation, the macroscopic temperature rise is shown when the internal energy of the water molecules reaches a certain amount, and similarly, because the light has particle property, when reaching the object, a certain pressure can be generated on the object according to the momentum theorem, the light can be used for irradiating the object to press the movement of the internal molecules of the object, macroscopically, the temperature is reduced, the light wave irradiates the inside of the device, so that the temperature of the molded plastic is reduced from inside to outside, the effect of reducing the shrinkage rate of the molded product is achieved, the current is generated through the electrode mechanism 12, and according to the heat effect of the current: the conductor can generate heat when being electrified, and the law of converting electric energy into heat energy by conducting current is quantitatively explained; because the electrode mechanism 12 sets up on the surface of stripper plate 2, so the heat direct transfer that the electric current produced improves the temperature on stripper plate 2 surface to the stripper plate 2 surface, makes the difference in temperature between stripper plate 2 and the melting material reduce, and the difference in temperature between them reduces, and the solid-state shell just can not appear yet in melting material and the die cavity surface contact skin.

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. Thermoplastic forming equipment based on the electroluminescence principle comprises a support frame (1), and is characterized in that: the inner part of the support frame (1) is movably connected with an extrusion plate (2), the lower part of the extrusion plate (2) is movably connected with a bottom plate (3), the upper part of the extrusion plate (2) is movably connected with the inner top wall of the support frame (1) through a spring (4), the inner part of the extrusion plate (2) is fixedly connected with an electro-optical mechanism (5), and the surface of the bottom plate (3) is provided with an injection molding channel (6);

the electro-optical mechanism (5) comprises a shell (7), a light emitting tube (8) is fixedly connected to the inside of the shell (7), an electrophoresis tube (9) is fixedly connected to the two sides of the light emitting tube (8), a partition plate (10) is fixedly connected to one end, far away from the light emitting tube (8), of the electrophoresis tube (9), an electromagnet (11) is fixedly connected to the surface of the partition plate (10), and an electrode mechanism (12) is fixedly connected to the two sides of the partition plate (10).

2. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 1, characterized in that: the electrode mechanism (12) comprises a hollow passage (13), an electrode plate (14) is fixedly mounted inside the hollow passage (13), an adjusting plate (15) is fixedly connected to the right side of the electrode plate (14), and one end, far away from the electrode plate (14), of the adjusting plate (15) is movably connected with a flow limiting opening (16).

3. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 1, characterized in that: the surface of the shell (7) is provided with an air vent (17).

4. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 2, characterized in that: both ends of the adjusting plate (15) are movably connected with sliding grooves (18).

5. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 2, characterized in that: the hollow channel (13) is made of insulating materials.

6. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 2, characterized in that: the electrode plates (14) are symmetrically arranged, and the polarities of the symmetrical electrode plates (14) are opposite.

7. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 1, characterized in that: one end of the electrophoresis tube (9) far away from the light-emitting tube (8) is fixedly connected with the current flowing port (16).

8. Thermoplastic molding apparatus based on the electroluminescence principle according to claim 1, characterized in that: the luminescent tube (8) is filled with electroluminescent material.