CN212636852U - Laminating equipment of multilayer foaming pad - Google Patents
Laminating equipment of multilayer foaming pad Download PDFInfo
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- CN212636852U CN212636852U CN202021183964.1U CN202021183964U CN212636852U CN 212636852 U CN212636852 U CN 212636852U CN 202021183964 U CN202021183964 U CN 202021183964U CN 212636852 U CN212636852 U CN 212636852U
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Abstract
The utility model relates to a multilayer laminating equipment technical field specifically discloses laminating equipment of multilayer foaming pad, comprises a workbench, be fixed with the support frame on the workstation, be equipped with injecting glue unit and pressfitting unit on the support frame, the injecting glue unit includes heating cabinet, the pump body, first injecting glue spare and second injecting glue spare, the heating cabinet is used for heating the hot melt adhesive, first injecting glue spare is located the top of second injecting glue spare, the pressfitting unit is including setting up the pressfitting roller on the support frame, and the pressfitting roller level sets up to be located between first injecting glue spare and the second injecting glue spare. Adopt the technical scheme in this patent to heat the hot melt adhesive through the heating cabinet, only with the leading-in of hot melt adhesive of heating between each layer, reduce the influence of heat to the resin layer, obtain the foaming pad that thermal-insulated respond well that gives sound insulation.
Description
Technical Field
The utility model relates to a multilayer laminating equipment technical field, in particular to laminating equipment that multilayer foaming filled up.
Background
Because the automobile in-process, the engine can heat up and produce the noise, consequently need install thermal-insulated syllable-dividing foaming pad of thermal-insulated around the engine, in order to reach syllable-dividing thermal-insulated effect, foaming pad is multilayer structure, generally includes aluminium foil layer, resin layer and non-woven fabrics layer, because in current protection pad, adopt between the two-layer adhesive, glue for example bonds, because the surface of aluminium foil layer is smooth, the adhesive uses the easy inefficacy under long-term high temperature environment for aluminium foil layer and resin layer break away from, and glue can release formaldehyde under high temperature usually, has harmful effects to passenger's health.
For this reason I department improves the foaming pad structure, is equipped with the sawtooth on the aluminium foil layer to provide the adhesive strength between aluminium foil layer and the resin layer, change the adhesive into the hot melt adhesive, reduce harmful substance's release, but discovery in production, when adopting current hot mould press to laminate, because the hot mould press opportunity heats each layer, make the resin layer take place to soften, wherein microporous structure appears collapsing, and the thermal-insulated effect that gives sound insulation all descends.
SUMMERY OF THE UTILITY MODEL
The utility model provides a laminating equipment of multilayer foaming pad to when adopting the hot mould press to laminate foaming pad among the solution prior art, the resin layer takes place to soften, the problem of product quality decline.
In order to achieve the above purpose, the technical scheme of the utility model is that:
laminating equipment of multilayer foaming pad, including the workstation, be fixed with the support frame on the workstation, be equipped with injecting glue unit and pressfitting unit on the support frame, the injecting glue unit includes heating cabinet, the pump body, first notes glue piece and second notes glue piece, the heating cabinet is used for heating the hot melt adhesive, first injecting glue piece is located the top of second notes glue piece, the pressfitting unit is including setting up the pressfitting roller on the support frame, and the level of pressfitting roller sets up to be located between first notes glue piece and the second injecting glue piece.
The technical principle and the effect of the technical scheme are as follows:
the hot melt adhesive is heated by the heating box in the scheme, the hot melt adhesive which is heated is only guided into each layer, the influence of heat on the resin layer is reduced, the laminating of each layer is rapidly completed after the glue injection is completed through the pressing unit, and the foaming pad with good sound insulation and heat insulation effects is obtained.
Furthermore, the first glue injection piece and the second glue injection piece are both strip-shaped, and the length of the first glue injection piece and the length of the second glue injection piece are greater than the width of the foaming pad.
Has the advantages that: therefore, the hot melt adhesive can be uniformly coated on each layer, and the bonding effect is improved.
Furthermore, the first glue injection part is provided with a first glue injection cavity along the length direction, the side wall of the first glue injection cavity is provided with a first glue discharge port facing one side of the pressing unit, the second glue injection part is internally provided with a second glue injection cavity along the length direction, and the side wall of the second glue injection cavity is provided with a second glue discharge port facing one side of the pressing unit.
Has the advantages that: set up like this, all be located near pressfitting unit one side from the hot-melt adhesive of injecting glue spare exhaust, accomplish the bonding of each layer under the pressfitting unit effect fast before the hot melt adhesive does not cool off.
Further, the cross-sectional area of the second glue injection cavity is larger than that of the first glue injection cavity, and the cross-sectional area of the second glue discharging port is larger than that of the first glue discharging port.
Has the advantages that: in order to improve the connection stability between aluminium foil layer and the foaming resin layer, be equipped with the sawtooth on aluminium foil layer, consequently set up like this for in the same time, follow the hot melt adhesive of second injecting glue chamber exhaust and can satisfy the bonding requirement between aluminium foil layer and the foaming resin layer.
Furthermore, a soft layer is bonded at the bottom of the second glue injection piece.
Has the advantages that: because the aluminum foil layer is provided with the sawteeth, the arrangement of the soft layer can reduce the abrasion of the second glue injection piece to the sawteeth.
Furthermore, the cross sections of the first glue injection piece and the second glue injection piece are rectangular.
Has the advantages that: set up to the transversal rectangle of personally submitting, the contact between each layer and the injecting glue spare is face contact then, better block that the hot melt adhesive flows to keeping away from pressfitting unit one side, compare in transversal circular aspect of personally submitting, then be line contact, this kind of mode will make the hot melt adhesive flow to keeping away from pressfitting unit one side for the laminating effect descends.
Furthermore, a conical section is arranged on one side, close to the pressing unit, of the second glue injection piece, the second glue discharging openings are horizontally arranged in the conical section, and side discharging openings communicated with the second glue discharging openings are symmetrically formed in the side wall of the conical section.
Has the advantages that: because be equipped with the sawtooth on the aluminium foil layer for the hot melt adhesive between foaming resin layer and the aluminium foil layer needs all to cover the sawtooth, and the setting up of side row mouth makes the hot melt adhesive can be more abundant fill between foaming resin layer and aluminium foil layer, thereby obtains the higher hot melt adhesive layer of thickness.
Further, the pressing roller is provided with a plurality of pressing rollers.
Has the advantages that: the arrangement of a plurality of press-fit rollers improves the effect of the foam pad lamination.
Furthermore, all rotate to connect on the support frame for many pressfitting rollers.
Has the advantages that: the arrangement reduces the friction force generated in the process of attaching the foaming pad by the pressing roller.
Further, the distances between the plurality of pressing rollers and the workbench are sequentially increased, and the pressing roller close to the glue injection unit is higher than the pressing roller far away from the glue injection unit.
Has the advantages that: the arrangement can ensure that all layers are gradually attached together, reserve infiltration time for hot melt adhesive and reduce the overflow amount of the hot melt adhesive from the side edges of all layers.
Drawings
Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;
fig. 2 is a cross-sectional view of a second glue injection member in embodiment 1 of the present invention;
fig. 3 is a cross-sectional view of a second glue injection member in embodiment 2 of the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the aluminum foil layer 1, the foaming resin layer 2, the non-woven fabric layer 3, the sawtooth 4, the workbench 10, the first glue injection part 11, the second glue injection part 12, the second glue injection cavity 13, the second glue discharge port 14, the press-fit roller 15, the conical section 16 and the side glue discharge port 17.
Example 1 is substantially as shown in figures 1 and 2 of the accompanying drawings:
the multilayer foaming pad in the embodiment comprises an aluminum foil layer 1, a foaming resin layer 2 and a non-woven fabric layer 3 which are sequentially arranged from top to bottom, wherein a layer of saw teeth 4 is integrally formed at the bottom of the aluminum foil layer 1, a first hot melt adhesive layer is arranged between the aluminum foil layer 1 and the foaming resin layer 2, a second hot melt adhesive layer is arranged between the foaming resin layer 2 and the non-woven fabric layer 3, the foaming resin is a polyurethane material and is formed by foaming, and a microporous structure is formed inside the foaming resin; the thickness of aluminium foil layer 1 is about 0.3 ~ 0.5mm, and the thickness of foaming resin layer 2 is 8 ~ 10mm, and the thickness of non-woven fabrics layer 3 is 0.5 ~ 0.7mm, and the thickness of first hot melt adhesive layer 5 is 0.4 ~ 0.5mm, and the height of sawtooth 4 is no longer than 0.3mm, and the thickness of second hot melt adhesive layer 6 is 0.2 ~ 0.3 mm.
Laminating equipment of multilayer foaming pad, including workstation 10, be fixed with the support frame on workstation 10, be equipped with injecting glue unit and pressfitting unit on the support frame, the pressfitting unit is located the left side of injecting glue unit, wherein the injecting glue unit includes the heating cabinet, the pump body, first notes glue piece 11 and second notes glue piece 12, the pump body is through connecting heating cabinet and first notes glue piece 11 and second notes glue piece 12, wherein be used for heating the hot melt adhesive in the heating cabinet, heating temperature is higher than 100 ℃, make the hot melt adhesive be in the molten state, first notes glue piece 11 is located the top of second notes glue piece 12.
First glue injection part 11 is the same with second glue injection part 12's structure, and is rectangular form, and length is greater than the width of foaming pad, and the cross section all is the rectangle in addition, first glue injection chamber has been seted up along its length direction in first glue injection part 11, set up the first row of jiao kou towards pressfitting unit one side on the lateral wall in first glue injection chamber, set up second glue injection chamber 13 along its length direction in second glue injection part 12, set up the second row of jiao kou 14 towards pressfitting unit one side on the lateral wall in second glue injection chamber 13, because the thickness of second hot melt adhesive layer will be greater than first hot melt adhesive layer, consequently, the cross-sectional area in second glue injection chamber 13 will be greater than first glue injection chamber, and the cross-sectional area of second row jiao kou 14 also need be greater than the cross-sectional area of first row of jiao kou.
In addition, the pressing unit comprises a plurality of pressing rollers 15 which are rotatably connected to the supporting frame, the pressing rollers 15 are horizontally arranged and are positioned between the first glue injection piece 11 and the second glue injection piece 12, and the heights of the pressing rollers 15 are sequentially increased from left to right; because the bottom of the aluminum foil layer 1 is provided with a layer of sawteeth 4, a soft layer is bonded at the bottom of the second glue injection piece 12, and the abrasion to the sawteeth 4 is reduced.
Before the lamination, the aluminum foil layer 1 is placed on a workbench 10, the foaming resin layer 2 is positioned between a first glue injection piece 11 and a second glue injection piece 12, the non-woven fabric layer 3 is positioned between the first glue injection piece 11 and a press-fit roller 15, a pump body is started, the pump body pumps the hot melt adhesive melted in the heating box into a first glue injection cavity and a second glue injection cavity 13 respectively, the hot melt adhesive discharged from a first glue discharge port enters between the non-woven fabric layer 3 and the foaming resin layer 2 to form a first hot melt adhesive layer, and the hot melt adhesive discharged from the second adhesive discharge port 14 enters between the foamed resin layer 2 and the aluminum foil layer 1 to form a second hot melt adhesive layer, and at the same time, the foamed pad moves to the left side, and (3) under the action of the pressing roller 15, bonding the non-woven fabric layer 3 with the foaming resin layer 2, and the foaming resin layer 2 with the aluminum foil layer 1 together, and cooling the first hot melt adhesive layer and the second hot melt adhesive layer to obtain the multi-layer foaming pad.
Example 2 is substantially as shown in figure 3:
the difference from example 1 is that: the left side integrated into one piece of second notes glue piece 12 has toper section 16, and second row of jiao kou 14 level is seted up in toper section 16, and the symmetry is equipped with the side row of kou 17 that communicates second row of jiao kou 14 on the lateral wall of toper section 16, and the setting of side row of kou 17 makes that the hot melt adhesive can be abundant fill between foaming resin layer 2 and aluminium foil layer 1.
The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. Laminating equipment of multilayer foaming pad, including the workstation, be fixed with support frame, its characterized in that on the workstation: the glue injection unit comprises a heating box, a pump body, a first glue injection piece and a second glue injection piece, the heating box is used for heating hot melt glue, the first glue injection piece is located above the second glue injection piece, the press fit unit comprises a press fit roller arranged on the support frame, and the press fit roller is horizontally arranged and located between the first glue injection piece and the second glue injection piece.
2. The apparatus of claim 1, wherein: the first glue injection piece and the second glue injection piece are both long strips, and the length of the first glue injection piece and the length of the second glue injection piece are greater than the width of the foaming pad.
3. The apparatus of claim 2, wherein: the first glue injection part is provided with a first glue injection cavity along the length direction, a first glue discharging port facing one side of the pressing unit is formed in the side wall of the first glue injection cavity, a second glue injection cavity is formed in the second glue injection part along the length direction, and a second glue discharging port facing one side of the pressing unit is formed in the side wall of the second glue injection cavity.
4. The apparatus of claim 3, wherein: the cross sectional area of the second glue injection cavity is larger than that of the first glue injection cavity, and the cross sectional area of the second glue discharging port is larger than that of the first glue discharging port.
5. The apparatus of claim 4, wherein: and a soft layer is bonded outside the second glue injection piece.
6. The apparatus of claim 5, wherein: the cross sections of the first glue injection piece and the second glue injection piece are rectangular.
7. The apparatus of claim 6, wherein: one side of the second glue injection piece, which is close to the pressing unit, is provided with a conical section, the second glue discharging openings are horizontally arranged in the conical section, and side discharging openings communicated with the second glue discharging openings are symmetrically arranged on the side wall of the conical section.
8. The apparatus of claim 1, wherein: the pressing roller is provided with a plurality of rollers.
9. The apparatus of claim 8, wherein: and the pressing rollers are rotatably connected on the support frame.
10. The apparatus of claim 9, wherein: the distances between the press-fit rollers and the workbench are sequentially increased, and the press-fit roller close to the glue injection unit is higher than the press-fit roller far away from the glue injection unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183964.1U CN212636852U (en) | 2020-06-23 | 2020-06-23 | Laminating equipment of multilayer foaming pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021183964.1U CN212636852U (en) | 2020-06-23 | 2020-06-23 | Laminating equipment of multilayer foaming pad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212636852U true CN212636852U (en) | 2021-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021183964.1U Active CN212636852U (en) | 2020-06-23 | 2020-06-23 | Laminating equipment of multilayer foaming pad |
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| Country | Link |
|---|---|
| CN (1) | CN212636852U (en) |
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- 2020-06-23 CN CN202021183964.1U patent/CN212636852U/en active Active
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