CN214294396U

CN214294396U - Cooling device for foam plastic molding

Info

Publication number: CN214294396U
Application number: CN202023169610.4U
Authority: CN
Inventors: 艾勇; 李中才; 王峰; 周启维
Original assignee: Hubei Aike Bubble Plastic Co ltd
Current assignee: Hubei Aike Bubble Plastic Co ltd
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-28
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to the technical field of foam plastic production equipment, and discloses a cooling device for foam plastic molding, which comprises a cooling machine tool, wherein the cooling machine tool is arranged between an extruder head and a traction device, a plurality of foam plastic bearing rollers are arranged on the cooling machine tool, a first air cooling channel and a second air cooling channel are sequentially arranged on the cooling machine tool, the first air cooling channel comprises a plurality of air cooling cavities, the bottom of each air cooling cavity is provided with an air supply component, the top of each air cooling cavity is provided with an air draft component, the air supply component comprises a first air inlet, heating coil and air-equalizing plate, the bottom of forced air cooling cavity is located to first air intake, and in the forced air cooling cavity of first air intake top was located to heating coil, the top of heating coil was located to the air-equalizing plate, and the convulsions subassembly includes the air exhauster, along foamed plastic's moving direction, the heating coil's of each forced air cooling cavity temperature reduced in proper order, and second air-cooled passageway bottom is equipped with the wind-blowing chamber. The device can gradually cool the foam plastic, and foam in the foam plastic product is prevented from collapsing.

Description

Cooling device for foam plastic molding

Technical Field

The utility model relates to a foamed plastic production facility technical field, in particular to cooling device for foamed plastic shaping.

Background

The foamed plastic is a polymer material formed by dispersing a large number of gas micropores in solid plastic, has the characteristics of light weight, heat insulation, sound absorption, shock absorption and the like, has dielectric properties superior to matrix resin, and has wide application range. There are many methods for molding a foamed plastic, and the methods are mainly classified into an extrusion method, a die pressing method, and an expandable bead method, in which a molten material of a resin containing a foaming agent is extruded from a die of a head of an extruder, and when the pressure of the molten material is reduced from a high pressure to a normal pressure, a gas dissolved in the molten material is expanded to foam, and then cooled to obtain a foamed plastic product. The problems to be noted in the foam extrusion production process include: the extruded foam article must be cooled slowly to avoid internal stresses that could cause collapse of the foam. Therefore, it is necessary to design a cooling device for foam molding to ensure the molding quality of the foam product.

SUMMERY OF THE UTILITY MODEL

In view of the above situation, the utility model aims at providing a cooling device for foam molding can gradually cool down the foam goods of extruding, avoids the foam among the foam goods to collapse, guarantees the qualification rate of foam goods.

In order to achieve the above object, the present invention is realized by the following technical solutions:

a cooling device for foam plastic molding comprises a cooling machine tool, wherein the cooling machine tool is arranged between an extruder head and a traction device, a plurality of foam plastic bearing rollers are arranged on the cooling machine tool, the setting height of the foam plastic bearing rollers is matched with the height of an extruder head die and the traction height of the traction device, the foam plastic bearing rollers are arranged along the moving direction of foam plastic, a first air cooling channel and a second air cooling channel are sequentially arranged on the cooling machine tool, the first air cooling channel comprises a plurality of air cooling chambers, openings for the foam plastic to pass through are arranged on the side wall of each air cooling chamber, an air supply assembly is arranged at the bottom of each air cooling chamber, an air draft assembly is arranged at the top of each air cooling chamber, the air supply assembly comprises a first air inlet, a heating coil and an air equalizing plate, the first air inlet is arranged at the bottom of the air cooling chamber, the heating coil is arranged in the air cooling chamber above the first air inlet, the air equalizing plate is arranged above the heating coil, the convulsions subassembly is including locating the air exhauster at forced air cooling cavity top, along foamed plastic's moving direction, and the temperature of the heating coil of each forced air cooling cavity reduces in proper order, second forced air cooling passageway is uncovered setting, and its bottom is equipped with the wind blowing chamber, the bottom of wind blowing chamber is equipped with the second air intake, and second air intake department is equipped with the air-blower, and the top of wind blowing chamber is equipped with the air-equalizing plate.

Preferably, the side wall of each air cooling chamber perpendicular to the moving direction of the foam plastic is provided with a shutter door, the shutter door is positioned above the opening, and the width of the shutter door is matched with the width of the opening. The height of the opening can be adjusted through the arrangement of the gate plate door, the gate plate door is suitable for cooling foam plastics with different thicknesses, and the foam plastics can be plates and the like.

Further preferably, the gate plate door comprises a portal frame, a door plate, a screw rod and a forward and reverse rotation motor, the door plate is slidably connected to the inner side of an upright post of the portal frame, the screw rod is in threaded connection with a cross beam of the portal frame, the lower end of the screw rod is connected with the top of the door plate, and an output shaft of the forward and reverse rotation motor is connected with the upper end of the screw rod. The sliding connection of door plant and portal frame can adopt conventional mode to realize, for example, can set up the spout on the stand, and the door plant slides and sets up in the spout, and the door plant can reciprocate, and the portal frame plays spacing effect to the door plant simultaneously.

Preferably, a filter screen is arranged at the first air inlet, and a filter screen is arranged at the air inlet of the air blower. The arrangement of the filter screen can ensure that the cooling air of the foam plastic is cleaner, and the adhesion of sundries on the surface of the foam plastic is avoided.

The utility model discloses in, heating coil passes through the support frame horizontal plate to be established in the forced air cooling cavity. In order to realize the gradual cooling of the foamed plastic, according to the extrusion temperature of the foamed plastic, the foamed plastic is sequentially cooled by wind at a plurality of temperatures, the heating coil is used for heating the room temperature wind, the heating coil can be an electric heating coil or a medium heating coil, and the electric heating coil or the medium heating coil can be realized by adopting conventional technical means, and is not repeated herein.

The utility model discloses in still including other subassemblies that can make this foam molding cooling device for normal use, all belong to the conventional selection in this field. Additionally, the utility model discloses in not all adopt the conventional means in this field with limited device or subassembly, for example, foamed plastic bearing roller, heating coil, air-equalizing plate, air exhauster, air-blower, positive and negative motor, filter screen etc. all adopt conventional setting.

The utility model discloses a cooling device for foamed plastic shaping's theory of operation includes: after the foamed plastic is extruded from a die of an extruder head, the foamed plastic moves under the traction of a traction device and the support of a foamed plastic bearing roller to pass through a first air cooling channel and a second air cooling channel for cooling, in the first air cooling channel, the foamed plastic sequentially passes through a plurality of air cooling chambers with gradually-reduced cooling air temperature, air of each air cooling chamber is uniformly blown onto the foamed plastic through an air equalizing plate to cool the foamed plastic, the temperature of the air cooling chamber close to the second air cooling channel is closest to the room temperature, and the foamed plastic coming out of the air cooling chamber is further cooled in the second air cooling channel by room temperature air to finish the cooling of the foamed plastic.

The utility model discloses a cooling device for foam molding can progressively cool down foam through reasonable structure setting, avoids the foam among the foam goods to collapse, guarantees the qualification rate of foam goods, and the device is applicable to different thickness foam's cooling moreover, easy operation.

Drawings

FIG. 1 is a schematic view showing the structure of a cooling apparatus for foam molding according to an embodiment.

Fig. 2 is a schematic structural view of the air-equalizing plate in fig. 1.

Fig. 3 is a schematic structural view of the heating coil in fig. 1.

Fig. 4 is a schematic structural view of the side wall of the air-cooling chamber in fig. 1, which is perpendicular to the moving direction of the foam.

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, 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 all belong to the protection scope of the present invention.

Examples

As shown in fig. 1-4, a cooling device for foam molding comprises a cooling machine tool 1, wherein the cooling machine tool 1 is arranged between an extruder head 2 and a traction device 3, the cooling machine tool 1 is provided with a plurality of foam carrier rollers 4, the setting height of the foam carrier rollers 4 is matched with the height of an extruder head die and the traction height of the traction device 3, along the moving direction of the foam plastic 5, the cooling machine tool 1 is sequentially provided with a first air-cooling channel and a second air-cooling channel, the first air-cooling channel comprises a plurality of air-cooling chambers 6, the side wall of each air-cooling chamber 6 is provided with an opening 7 for the foam plastic 5 to pass through, the bottom of each air-cooling chamber 6 is provided with an air supply component, the top of each air-cooling chamber 6 is provided with an air exhaust component, the air supply component comprises a first air inlet 8, a heating coil 9 and an air equalizing plate 10, the first air inlet 8 is arranged at the bottom of the air-cooling chamber 6, heating coil 9 locates in the forced air cooling cavity 6 of first air intake 8 top, and heating coil 9's top is located to air balance board 10, air drafting assembly is including the air exhauster 11 of locating the 6 tops of forced air cooling cavity, along foamed plastic 5's direction of movement, and the temperature of heating coil 9 of each forced air cooling cavity 6 reduces in proper order, second forced air cooling passageway is uncovered setting, and its bottom is equipped with the blowing chamber, the bottom of blowing chamber is equipped with second air intake 12, and second air intake 12 department is equipped with air-blower 13, and the top of blowing chamber is equipped with air balance board 10.

And the side wall of each air cooling chamber 6, which is vertical to the moving direction of the foam plastic 5, is provided with a shutter door, the shutter door is positioned above the opening 7, and the width of the shutter door is matched with that of the opening 7.

The gate plate door comprises a portal frame 14, a door plate 15, a screw rod 16 and a forward and reverse rotation motor 17, wherein the door plate 15 is connected to the inner side of an upright post of the portal frame 14 in a sliding mode, the screw rod 16 is connected to a cross beam of the portal frame 14 in a threaded mode, the lower end of the screw rod 16 is connected with the top of the door plate 15, and an output shaft of the forward and reverse rotation motor 17 is connected with the upper end of the screw rod 16.

A filter screen is arranged at the first air inlet 8, and a filter screen is arranged at the air inlet of the air blower 13. The heating coil 9 is horizontally coiled in the air cooling chamber 6 through a support frame 18.

The working principle of the cooling device for foam plastic molding comprises the following steps: after the foamed plastic 5 is extruded from a die of a machine head of an extruder, the foamed plastic 5 moves through a first air cooling channel and a second air cooling channel under the traction of a traction device 3 and the support of a foamed plastic bearing roller 4 for cooling, in the first air cooling channel, the foamed plastic 5 sequentially passes through a plurality of air cooling chambers 6 with gradually-reduced cooling air temperature, air of each air cooling chamber 6 is uniformly blown onto the foamed plastic 5 through an air equalizing plate 10 to cool the foamed plastic, the temperature of the air cooling chamber 6 close to the second air cooling channel is closest to the room temperature, and the foamed plastic 5 coming out of the air cooling chamber 6 is further cooled by room temperature air in the second air cooling channel to finish the cooling of the foamed plastic 5.

This cooling device for foamed plastic shaping can gradually cool down foamed plastic through reasonable structure setting, avoids the foam among the foamed plastic goods to collapse, guarantees foamed plastic goods's qualification rate, and the device can be applicable to different thickness foamed plastic's cooling, easy operation moreover.

The foregoing description of the embodiments of the invention has been presented for purposes of illustration and not limitation, and is not intended to be exhaustive or limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.

Claims

1. The utility model provides a cooling device for foamed plastic shaping, includes the cooling lathe, the cooling lathe is located between extruder head and the draw gear, is equipped with a plurality of foamed plastic bearing roller on the cooling lathe, and the height that sets up of foamed plastic bearing roller highly and the extruder head bush and draw high phase-match of draw gear, its characterized in that: along foamed plastic's moving direction, be equipped with first forced air cooling passageway and second forced air cooling passageway on the cooling lathe in proper order, first forced air cooling passageway contains a plurality of forced air cooling cavities, is equipped with the opening that supplies foamed plastic to pass on each forced air cooling cavity's the lateral wall, and the bottom of each forced air cooling cavity is equipped with air feed subassembly, top is equipped with convulsions subassembly, air feed subassembly includes first air intake, heating coil and air equalizing plate, first air intake is located the bottom of forced air cooling cavity, and heating coil locates in the forced air cooling cavity of first air intake top, and air equalizing plate locates the top of heating coil, convulsions subassembly is including the air exhauster of locating the forced air cooling cavity top, and along foamed plastic's moving direction, the temperature of the heating coil of each forced air cooling cavity reduces in proper order, second forced air cooling passageway is uncovered setting, and its bottom is equipped with the room of blowing, the bottom of the room is equipped with the second air intake, an air blower is arranged at the second air inlet, and an air equalizing plate is arranged at the top of the air blowing chamber.

2. The cooling device for foam molding according to claim 1, characterized in that: and the side wall of each air cooling cavity vertical to the moving direction of the foam plastic is provided with a flashboard door, the flashboard door is positioned above the opening, and the width of the flashboard door is matched with the width of the opening.

3. The cooling device for foam molding according to claim 2, characterized in that: the gate plate door comprises a portal frame, a door plate, a screw rod and a forward and reverse rotating motor, the door plate is connected to the inner side of an upright post of the portal frame in a sliding mode, the screw rod is connected to a cross beam of the portal frame in a threaded mode, the lower end of the screw rod is connected with the top of the door plate, and an output shaft of the forward and reverse rotating motor is connected with the upper end of the screw rod.

4. The cooling device for foam molding according to claim 1, characterized in that: a filter screen is arranged at the first air inlet, and a filter screen is arranged at the air inlet of the air blower.

5. The cooling device for foam molding according to claim 1, characterized in that: the heating coil is horizontally coiled in the air cooling chamber through the support frame.