CN216860848U - A kind of micro-foam board and micro-foam board production device - Google Patents

Abstract

The utility model discloses a micro-foam plate and a production device for the micro-foam plate. The micro-foam plate comprises hard plastic layers arranged on both sides and several groups of micro-foam layers arranged between two groups of hard plastic layers. The hardness of the hard plastic layer is greater than the hardness of the micro-foaming layer, and the hard plastic layers on both sides are thermoplastically connected with several groups of micro-foaming layers; Extruders for the production of hard plastic layers and microfoam layers, die screen changer systems, calenders for extruding hard plastic layers and microfoam layers, trimming devices for trimming the edges of microfoam boards, A cooling device, a tractor for driving the micro-foamed board, a shearing machine for cutting the micro-foamed board to a specified size, and a conveyor. The utility model can produce a composite micro-foam board with hard plastic layers on both sides and a micro-foam layer in the middle through the micro-foam board production device, which greatly improves the production efficiency of the device and the connection strength of the micro-foam board.

Description

A kind of micro-foam board and micro-foam board production device

technical field

The utility model relates to the technical field of plate and plate production, in particular to a micro-foamed plate and a production device of the micro-foamed plate.

Background technique

Plastic foam is a foam plastic with excellent comprehensive performance. It has the advantages of light weight, toughness, high heat resistance temperature, and environmentally friendly recycling. It can be widely used as automotive interior materials and other thermal insulation, packaging, buffering, etc. Absorb and other materials. The extruder is mainly used to extrude thermoplastics such as soft and hard polyvinyl chloride, polyethylene, etc. It can process various plastic products, such as blown film, extruded tube, press plate, wire drawing belt, etc. It can also be used for melt granulation. The screw extruder has advanced design, high quality, good plasticization and low energy consumption. It adopts involute gear transmission, which has the characteristics of low noise, stable operation, large bearing capacity and long service life. In the prior art, in the screw extruder, after the raw material is transported through the hopper into the barrel, and then transported by the screw, it is converted from particles to liquid. Existing extruders can only produce single-layer plastics. When a composite-layer plastic material is required, multiple groups of thermoplastics that have been produced or just produced need to be extruded, but the strength of such plastics is low.

Utility model content

The purpose of this utility model is to provide a kind of micro-foaming board and micro-foaming board production device, in order to solve the above-mentioned problems, the utility model can produce the hard plastic layer on both sides by the micro-foaming board production device, and the middle is the micro-foaming board production device. The composite micro-foam board of the foam layer greatly improves the production efficiency of the device and the connection strength of the micro-foam board.

For achieving the above object, the utility model provides the following scheme:

A micro-foam board, comprising hard plastic layers arranged on both sides and several groups of micro-foam layers arranged between two groups of the hard plastic layers, wherein the hardness of the hard plastic layers is greater than the hardness of the micro-foam layers , the hard plastic layers on both sides and several groups of micro-foam layers are thermoplastically fixedly connected.

Preferably, the hard plastic layer is any one or both of a PP plastic layer, a PVC plastic layer, and a PE plastic layer, and the micro-foamed layer is a PP micro-foamed layer mixed with a foaming agent, mixed with a Any one or several of the PVC micro-foaming layer of foaming agent and the PE micro-foaming layer mixed with foaming agent.

A micro-foamed board production device, the production of the above-mentioned micro-foamed board comprises a rack, on which an extruder and a die screen changer for simultaneously producing the hard plastic layer and the micro-foamed layer are sequentially fixed and arranged System, calender for extruding said hard plastic layer and micro-foamed layer, trimming device for trimming the edges of micro-foamed panels, cooling device, tractor for driving micro-foamed panels, for Shears and conveyors that cut micro-foamed boards into specified sizes.

Preferably, the extruder includes a barrel with a segmented structure fixed on the frame, a plurality of barrels are fixed inside the barrel, and each barrel is provided with a set of screws, so One end of the barrel is provided with several groups of the feeders, and the barrels communicate with the feeders; all the screws are driven by motors.

Preferably, it also includes a transmission box arranged between the motor and the screw, and the motor is connected to the transmission box through a coupling, the cylinder is fixedly arranged at the front end of the frame, and one end of the screw is connected to the transmission box For fixed connection, the other end of the screw extends into the barrel.

Preferably, a temperature detection device, a temperature display device, a heating system and a cooling system are provided outside the cylinder, and the motor, the feeder, the heating system, the cooling system, the temperature detection device and the temperature display device are all electrically connected There are PLC controllers.

Preferably, the number of the feeders is not greater than the number of barrels, each of the feeders is connected with one feeder, and each of the feeders is connected with no less than one barrel.

Preferably, a die head is fixedly connected to the outlet of each of the barrels, and the die head is provided with not less than one output material hole.

The utility model has the following technical effects: the utility model sequentially performs raw material proportioning, raw material premixing, feeding, plasticizing and foaming, extruding foam plates, edge trimming, cooling and shaping, drawing and longitudinal The slitting is done slitting during the drafting process and conveyed out through the conveyor. The utility model can produce a composite micro-foamed plate with hard plastic layers on both sides and a micro-foamed layer in the middle through one device, which greatly improves the production efficiency of the device and the connection strength of the micro-foamed plate.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without any creative effort.

Fig. 1 is the structural representation of the utility model extruder;

Fig. 2 is the cylinder structure schematic diagram of the utility model;

Fig. 3 is the structural representation of the micro-foam board production device of the present utility model;

Fig. 4 is the structural schematic diagram of the micro-bubble plate of the present invention,

Among them, 1 is the frame, 2 is the barrel, 3 is the barrel, 4 is the screw, 5 is the feeder, 6 is the motor, 7 is the transmission box, and 8 is the die head; 10 is the extruder, and 11 is the die. Screen changer system, 12 is a calender, 13 is a trimming device, 14 is a cooling device, 15 is a pulling machine, 16 is a shearing machine, 17 is a conveyor, 21 is a hard plastic layer, and 22 is a micro-foaming layer .

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In order to make the above objects, features and advantages of the present utility model more clearly understood, the present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

Referring to FIG. 4 , the present invention discloses a micro-foamed board, comprising hard plastic layers 21 arranged on both sides and several groups of micro-foamed layers 22 arranged between two groups of hard plastic layers 21. The hard plastic layers 21 The hardness is greater than the hardness of the micro-foamed layer 22, and the hard plastic layers 21 on both sides and the several groups of micro-foamed layers 22 are thermoplastically fixedly connected. The hard plastic layers 21 with higher hardness on both sides can ensure that the entire micro-foam board has a certain strength, and several groups of micro-foam layers 22 between the two hard plastic layers 21 can ensure that the entire micro-foam board has light weight and toughness. At the same time, it has better elasticity.

To further optimize the solution, the hard plastic layer 21 is any one or both of the PP plastic layer, the PVC plastic layer, and the PE plastic layer, and the micro-foaming layer 22 is a PP micro-foaming layer mixed with a foaming agent, mixed with a foaming agent. Any one or several of the PVC micro-foaming layer of foaming agent and the PE micro-foaming layer mixed with foaming agent, and the micro-foaming layer can be provided with multiple layers as required, and each layer of The amount of blowing agent is different and can be set as required.

Referring to Figures 1-3, the present utility model discloses a micro-foamed board production device, which produces the above-mentioned micro-foamed board, including a frame 1, and the frame 1 is sequentially fixed with a device for simultaneously producing a hard plastic layer 21 and a micro-foaming board. Extruder 10 for foamed layer 22, die screen changer system 11, calender 12 for extruding hard plastic layer 21 and microfoamed layer 22, trimming device 13 for cutting edge of microfoamed sheet , a cooling device 14 , a tractor 15 for driving the micro-foamed board, a shearing machine 16 for cutting the micro-foamed board to a specified size, and a conveyor 17 .

To further optimize the solution, the extruder includes a barrel 2 with a segmented structure that is fixedly arranged on the frame 1, and a number of barrels 3 are fixed inside the barrel 2, and each barrel 3 is provided with a set of screws 4 inside, One end of the barrel 2 is provided with several groups of feeders 5, and the barrel 3 communicates with the feeders 5; all the screws 4 are driven by the motor 6, and a corresponding number of barrels 3 are set as required.

The further optimized solution also includes a transmission box 7 arranged between the motor 6 and the screw 4, and the motor 6 is connected with the transmission box 7 through a coupling, the cylinder 2 is fixedly arranged at the front end of the frame 1, and one end of the screw 4 is connected to the transmission box 7. The box 7 is fixedly connected, and the other end of the screw 4 extends into the barrel 2 .

To further optimize the scheme, the cylinder body 2 is provided with a temperature detection device, a temperature display device, a heating system and a cooling system, and the motor 6, the feeder 5, the heating system, the cooling system, the temperature detection device, and the temperature display device are all electrically connected with PLC controller.

In a further optimization scheme, the number of feeders 5 is not greater than the number of barrels 3 , each feeder 5 is connected with one feeder 5 , and each feeder 5 is connected with no less than one barrel 3 .

In a further optimization scheme, a die head 8 is fixedly connected to the outlet of each barrel 3, and the die head 8 is provided with not less than one output material hole.

The working process of this embodiment is as follows:

1. Raw material ratio: select the prepared raw materials of the hard plastic layer 21 and the micro-foamed layer 22 and the ratio between various raw materials according to the needs;

2. Raw material pre-mixing: weigh each component according to the formula, and stir and pre-mix it;

3. Feeding: add the above mixture into different feeders 5 through the feeder;

4. Plasticizing and foaming: plasticizing and foaming through the extruder 10;

5. Extrusion foam board: According to the specifications and quality requirements of the foam board, adjust the gap and width of the foam extruder die in the die screen changer system 11 and the roller distance of the calender 12 to plasticize the foam material. Enter into the calender 12 from the extruding plate die, thereby compounding to form a micro-foamed plate;

6. Edge trimming: trimming the edge of the micro-foam board by the trimming device 13;

7. Cooling and shaping: cooling and shaping the trimmed micro-foamed board;

8. Drafting and slitting: the shaped foam sheet is slitted by the tractor 15 and the shearing machine 16 according to the width specification requirements during the drafting process and conveyed out by the conveyor 17.

In the description of the present invention, it should be understood that the terms "portrait", "horizontal", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inside", "outside" and other indications of orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model, not Indicates or implies that the referred device or element must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present invention.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and do not limit the scope of the present invention. Under the premise of not departing from the design spirit of the present invention, those of ordinary skill in the art can make the technical solutions of the present invention. Various deformations and improvements made should fall within the protection scope determined by the claims of the present utility model.

Claims (8)

1. A micro-foaming plate, characterized in that: comprising hard plastic layers (21) arranged on both sides and several groups of micro-foaming layers (22) arranged between two groups of the hard plastic layers (21) , the hardness of the hard plastic layer (21) is greater than the hardness of the micro-foamed layer (22), and the hard plastic layers (21) on both sides and several groups of micro-foamed layers (22) are thermoplastically fixedly connected. 2. A kind of micro-foaming board according to claim 1, is characterized in that: described hard plastic layer (21) is any one or both in PP plastic layer, PVC plastic layer, PE plastic layer, so Described micro-foaming layer (22) is any one in the PP micro-foaming layer mixed with foaming agent, the PVC micro-foaming layer mixed with foaming agent, the PE micro-foaming layer mixed with foaming agent or several. 3. A device for producing a micro-foamed board, which produces the micro-foamed board according to any one of claims 1-2, characterized in that it comprises a rack (1), and the rack (1) is sequentially fixed and arranged to be useful Extruder (10) for the simultaneous production of said hard plastic layer (21) and microfoam layer (22), die screen changer system (11), for extruding the hard plastic layer (21) and microfoam A calender (12) for the layer (22), a trimming device (13) for cutting the edges of the micro-foamed sheet, a cooling device (14), a pulling machine (15) for driving the micro-foamed sheet, for A shearing machine (16) and a conveyor (17) for cutting the micro-foamed board into a predetermined size. 4. A micro-foamed board production device according to claim 3, characterized in that: the extruder comprises a cylindrical body (2) with a segmented structure fixedly arranged on the frame (1), and the Several barrels (3) are fixedly arranged inside the barrel (2), each barrel (3) is provided with a set of screws (4), and one end of the barrel (2) is provided with several groups of feeding A feeder (5), the barrel (3) communicates with the feeder (5); all the screws (4) are driven by a motor (6). 5. A micro-foamed board production device according to claim 4, characterized in that: it also comprises a gear box (7) arranged between the motor (6) and the screw (4), and the motor (6) ) is connected with the transmission case (7) through a coupling, the cylinder (2) is fixedly arranged at the front end of the frame (1), and one end of the screw (4) is fixedly connected with the transmission case (7), so The other end of the screw (4) extends into the barrel (2). 6. A micro-foamed board production device according to claim 5, characterized in that: the cylinder body (2) is provided with a temperature detection device, a temperature display device, a heating system and a cooling system, and the motor ( 6) The feeding machine (5), the heating system, the cooling system, the temperature detection device and the temperature display device are all electrically connected with a PLC controller. 7. A micro-foam board production device according to claim 4, characterized in that: the number of the feeders (5) is not greater than the number of the barrels (3), and each of the feeders ( 5) A feeder (5) is communicated with each other, and each of the feeders (5) is connected with not less than one barrel (3). 8. A micro-foamed board production device according to claim 4, characterized in that: a die (8) is fixedly connected to the outlet of each of the barrels (3), and the die (8) ) is provided with not less than one output hole.

Images