CN111691635A - Multilayer sound-absorbing floor, manufacturing method thereof and composite floor roller press - Google Patents

Multilayer sound-absorbing floor, manufacturing method thereof and composite floor roller press Download PDF

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Publication number
CN111691635A
CN111691635A CN202010565931.1A CN202010565931A CN111691635A CN 111691635 A CN111691635 A CN 111691635A CN 202010565931 A CN202010565931 A CN 202010565931A CN 111691635 A CN111691635 A CN 111691635A
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CN
China
Prior art keywords
roller
layer
rubber
floor
sound absorption
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Pending
Application number
CN202010565931.1A
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Chinese (zh)
Inventor
曾志文
博宇轩
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Chinafloors Timber China Co ltd
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Chinafloors Timber China Co ltd
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Priority to CN202010565931.1A priority Critical patent/CN111691635A/en
Publication of CN111691635A publication Critical patent/CN111691635A/en
Pending legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/02—Flooring or floor layers composed of a number of similar elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
    • B32B21/04—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board comprising wood as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F15/00—Flooring
    • E04F15/18—Separately-laid insulating layers; Other additional insulating measures; Floating floors
    • E04F15/20—Separately-laid insulating layers; Other additional insulating measures; Floating floors for sound insulation
    • E04F15/206—Layered panels for sound insulation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0228—Aromatic vinyl resin, e.g. styrenic (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0221—Vinyl resin
    • B32B2266/0235—Vinyl halide, e.g. PVC, PVDC, PVF, PVDF
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/025—Polyolefin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0278—Polyurethane
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2266/00—Composition of foam
    • B32B2266/02—Organic
    • B32B2266/0214—Materials belonging to B32B27/00
    • B32B2266/0285—Condensation resins of aldehydes, e.g. with phenols, ureas, melamines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/10—Properties of the layers or laminate having particular acoustical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2471/00—Floor coverings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F2290/00—Specially adapted covering, lining or flooring elements not otherwise provided for
    • E04F2290/04—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire
    • E04F2290/041—Specially adapted covering, lining or flooring elements not otherwise provided for for insulation or surface protection, e.g. against noise, impact or fire against noise

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Floor Finish (AREA)

Abstract

The utility model provides a multilayer inhales sound floor, from supreme substrate layer, sound absorbing layer and the top decorative layer of including in proper order down. A composite floor roller press comprises a rubber roller and a steel roller which are arranged in parallel, a cross beam which is arranged in parallel on one side of the rubber roller far away from the steel roller, and at least one abutting unit which is arranged on the cross beam; the abutting unit comprises two adjustable cylinders arranged on the cross beam at intervals, an upper bearing connected with the output end of each adjustable cylinder, and a supporting roller, wherein two ends of the supporting roller respectively penetrate through the two upper bearings, and the supporting roller abuts against one side of the rubber roller, which is far away from the steel roller; the rubber roll comprises a rigid roll core and a rubber sleeve coated outside the rigid roll core, the middle of the rubber sleeve in the length direction protrudes outwards to form an extrusion part, and the outer diameter of the rubber sleeve is gradually reduced from the middle to two ends. So can guarantee rubber roll and steel roller fully contact all the time when pressfitting laminate flooring to eliminate the bubble, reduce the defective rate of product. The invention also provides a manufacturing method of the multilayer sound-absorbing floor.

Description

Multilayer sound-absorbing floor, manufacturing method thereof and composite floor roller press
Technical Field
The invention relates to the technical field of floor production, in particular to a multilayer sound-absorbing floor, a manufacturing method thereof and a composite floor roller press.
Background
The existing composite floor roller press is provided with the butt roller and the press roller which are arranged oppositely, the butt roller and the press roller are both arc-shaped, the width of the floor is large, the length of the butt roller and the press roller is long, after the composite floor is pressed for a long time, the part of the middle part of the press roller deforms, the middle part of the press roller cannot be fully contacted with the middle part of the butt roller, bubbles in the manufactured composite floor cannot be discharged, the surface of the composite floor forms a bulge, and the product is unqualified.
Disclosure of Invention
In view of the above, the present invention provides a multi-layer sound-absorbing floor with reduced bubbles, a method for manufacturing the same, and a composite floor roller press, so as to solve the above problems.
The utility model provides a multilayer inhales sound floor, from supreme substrate layer, sound absorbing layer and the top decorative layer of including in proper order down.
Furthermore, a sound absorption layer is further arranged on one side, away from the top decoration layer, of the base material layer.
Further, the multilayer sound absorption floor has a length of 600mm or more and a width of 100mm or more.
Further, the multilayer sound absorption floor has a length of 1200mm or more and a width of 300mm or more.
Further, any two layers of the base material layer, the sound absorption layer and the top decoration layer are bonded through a bi-component adhesive.
Further, the top of substrate layer is provided with a plurality of sound grooves of inhaling.
Further, the sound absorption layer is made of PE foam, EVA foam, PS foam, PP foam, PU foam, PVC foam, melamine foam or cork.
Further, the density of the sound absorption layer is at least 200Kg/m3。
Further, the thickness of the sound absorption layer is 0.5-5.0 mm.
Furthermore, the bending strength of the sound absorption layer is 1.5-4.5 MPa.
A manufacturing method of a multilayer sound-absorbing floor comprises the following steps: step S1: providing a substrate layer; step S2: coating a first adhesive layer on one side of the base material layer; step S3: covering a sound absorption layer on one side of the base material layer with the first adhesive layer, rolling the base material layer and the sound absorption layer by using a composite floor roller press, and discharging bubbles between the base material layer and the sound absorption layer to enable the base material layer to be tightly attached to the sound absorption layer; step S4: coating a second adhesive layer on one side of the sound absorption layer far away from the base material layer; step S5: covering a top decorative layer on one side of the sound absorption layer with the second adhesive layer, rolling the sound absorption layer and the top decorative layer by using a composite floor roller press, and discharging air bubbles between the sound absorption layer and the top decorative layer to enable the sound absorption layer to be tightly attached to the top decorative layer to form a primary product; step S6: and cutting the primary product into a preset size, arranging a locking lug on at least one end face of the primary product, and arranging a locking groove on at least the other end face of the primary product.
A composite floor roller press comprises a rubber roller and a steel roller which are arranged in parallel, a cross beam which is arranged in parallel on one side of the rubber roller far away from the steel roller, and at least one abutting unit which is arranged on the cross beam; the abutting unit comprises two adjustable cylinders arranged on the cross beam at intervals, an upper bearing connected with the output end of each adjustable cylinder, and a supporting roller, wherein two ends of the supporting roller respectively penetrate through the two upper bearings, and the supporting roller abuts against one side of the rubber roller, which is far away from the steel roller; the rubber roll comprises a rigid roll core and a rubber sleeve coated outside the rigid roll core, the middle of the rubber sleeve in the length direction protrudes outwards to form an extrusion part, and the outer diameter of the rubber sleeve is gradually reduced from the middle to two ends.
Further, the both ends of steel roller are provided with the step, are provided with the step in the step respectively, and the both ends of steel roller pass two steps respectively, laminate flooring roller is still including being used for driving steel roller pivoted steel roller drive unit, two hydraulic drive units that set up respectively in two step tops, set up in the well bearing frame of hydraulic drive unit's output, rotate the well bearing that is located the well bearing frame, be used for driving rubber roll pivoted rubber roll drive unit, and hydraulic drive unit's output is towards the step, and two well bearings are passed respectively to the both ends of rubber roll.
Further, still include the base, with the base perpendicular connection and be located the support column that two intervals of one side of installing support set up, the step sets up in the terminal that the base was kept away from to the support column.
Furthermore, the hydraulic drive unit is installed on the extension portions, and two ends of the cross beam are respectively connected with the two extension portions.
Furthermore, the lower bearing seat is connected with a first mounting plate, the steel roller driving unit is mounted on the first mounting plate, and an output shaft of the steel roller driving unit is connected with one end of the steel roller through a first transmission mechanism.
Furthermore, the middle bearing seat is connected with a second mounting plate, the rubber roller driving unit is mounted on the second mounting plate, and an output shaft of the rubber roller driving unit is connected with one end of the rubber roller through a second transmission structure.
Further, the number of the abutting units is three.
Compared with the prior art, the composite floor roller press comprises a rubber roller and a steel roller which are arranged in parallel, a cross beam which is arranged on one side of the rubber roller far away from the steel roller in parallel, and at least one abutting unit which is arranged on the cross beam; the abutting unit comprises two adjustable cylinders arranged on the cross beam at intervals, an upper bearing connected with the output end of each adjustable cylinder, and a supporting roller, wherein two ends of the supporting roller respectively penetrate through the two upper bearings, and the supporting roller abuts against one side of the rubber roller, which is far away from the steel roller; the rubber roll comprises a rigid roll core and a rubber sleeve coated outside the rigid roll core, the middle of the rubber sleeve in the length direction protrudes outwards to form an extrusion part, and the outer diameter of the rubber sleeve is gradually reduced from the middle to two ends. So can guarantee rubber roll and steel roller fully contact all the time when pressfitting laminate flooring to eliminate the bubble, reduce the defective rate of product.
Drawings
Embodiments of the invention are described below with reference to the accompanying drawings, in which:
FIG. 1 is a side schematic view of a composite floor roller provided by the present invention.
FIG. 2 is a schematic side view of the glue roll of FIG. 1.
FIG. 3 is a schematic side view of another side of a composite floor roller provided by the present invention.
Detailed Description
Specific embodiments of the present invention will be described in further detail below based on the drawings. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Referring to fig. 1 and 3, the composite floor roller press provided by the present invention includes a base 10, a mounting bracket 20 vertically connected to the base 10, two supporting columns 30 vertically connected to the base 10 and located at one side of the mounting bracket 20 and spaced apart from each other, a lower bearing seat 31 disposed at the end of the supporting column 30 far from the base 10, a lower bearing rotatably disposed in the lower bearing seat 31, a steel roller 40 having two ends passing through the two lower bearings, a steel roller driving unit 41 for driving the steel roller 40 to rotate, two hydraulic driving units 50 fixedly disposed on the mounting bracket 20 and located above the two lower bearing seats 31, a middle bearing seat 60 disposed at the output end of the hydraulic driving unit 50, a middle bearing rotatably disposed in the middle bearing seat 60, a rubber roller 70 having two ends passing through the two middle bearings, a rubber roller driving unit 71 for driving the rubber roller 70 to rotate, a cross beam 22 disposed on the mounting bracket 20 and parallel to the rubber roller 70, At least one abutting unit 80 arranged on the cross beam 22.
The output of the hydraulic drive unit 50 faces the lower bearing housing 31.
The rubber roller 70 is arranged in parallel with the steel roller 40, and a gap is arranged between the rubber roller 70 and the steel roller 40.
The two ends of the top of the mounting bracket 20 facing one side of the lower bearing seat 31 are respectively provided with an extending part 21 in a protruding and extending manner, the hydraulic driving unit 50 is mounted on the extending parts 21, and the two ends of the cross beam 22 are respectively connected with the two extending parts 21.
The abutting unit 80 includes two adjustable cylinders 81 disposed on the cross beam 22 at intervals, an upper bearing connected to an output end of the adjustable cylinder 81, and a supporting roller 82 having two ends passing through the two upper bearings, respectively. The output end of the adjustable cylinder 81 faces the rubber roller 70.
The lower bearing seat 31 is connected with a first mounting plate 32, the steel roller driving unit 41 is mounted on the first mounting plate 32, and an output shaft of the steel roller driving unit 41 is connected with one end of the steel roller 40 through a first transmission mechanism.
The middle bearing seat 60 is connected with a second mounting plate 61, the rubber roller driving unit 71 is mounted on the second mounting plate 61, and an output shaft of the rubber roller driving unit 71 is connected with one end of the rubber roller 70 through a second transmission structure.
Referring to fig. 2, the rubber roller 70 includes a rigid roller core 71 and a rubber sleeve 72 covering the rigid roller core 71, wherein a middle portion of the rubber sleeve 72 along a length direction protrudes outward to form a squeezing portion 721, and an outer diameter of the rubber sleeve 72 gradually decreases from the middle portion to both ends. This gives the rubber sleeve 72 a football-like shape.
In operation, the multi-layer material passes through the gap between the rubber roller 70 and the steel roller 40, and the two hydraulic driving units 50 drive the rubber roller 70 to move towards the steel roller 40, so that the rubber roller 70 compresses the multi-layer material from the upper side.
When the rubber roller 70 compresses the multilayer materials, the middle part of the extrusion part 721 is firstly contacted with the materials and is deformed and compressed, and then the two sides of the extrusion part 721 are gradually contacted with the materials and are deformed and compressed, so that the air bubbles are extruded to the two ends until the air bubbles are extruded from the two ends of the multilayer materials.
The adjustable cylinder 81 drives the supporting roller 82 to move towards the rubber roller 70 and to be fully abutted against the rubber roller 70, so that a supporting force is applied to the middle of the rubber roller 70, the middle of the rubber roller 70 is fully contacted with the steel roller 40 all the time, the rubber roller 70 is prevented from being partially deformed and then not fully contacted with the steel roller 40, and bubbles are prevented from being left.
In the present embodiment, the number of the abutting units 80 is three.
The invention also provides a multilayer sound-absorbing floor which sequentially comprises a substrate layer, a sound-absorbing layer and a top decorative layer from bottom to top. And a sound absorption layer is further arranged on one side, away from the top decoration layer, of the base material layer.
The multilayer sound-absorbing floor is longer than or equal to 600mm and wider than or equal to 100 mm.
Preferably, the multilayer sound-absorbing floor has a length of 1200mm or more and a width of 300mm or more.
Any two layers of the base material layer, the sound absorption layer and the top decoration layer are bonded through a bi-component adhesive. The two layers of bi-component adhesives are respectively a first adhesive layer and a second adhesive layer.
The top of substrate layer is provided with a plurality of sound recesses of inhaling along length direction or width direction to in with the bubble discharge that produces in the substrate layer.
The sound absorption layer is made of PE foam material, EVA foam material, PS foam material, PP foam material, PU foam material, PVC foam material, melamine foam material or cork.
The density of the sound absorption layer is at least 200Kg/m3Preferably at least 1200Kg/m3。
The thickness of the sound absorption layer is 0.5-5.0 mm, and preferably 2.5-4 mm.
The bending strength of the sound absorption layer is 1.5-4.5 MPa, preferably 2.34-3.27 MPa.
The invention also provides a manufacturing method of the multilayer sound-absorbing floor, which comprises the following steps: step S1: providing a substrate layer; step S2: coating a first adhesive layer on one side of the base material layer; step S3: covering a sound absorption layer on one side, provided with the first adhesive layer, of the base material layer on the composite floor roller press, rolling the base material layer and the sound absorption layer by using the composite floor roller press, and discharging bubbles between the base material layer and the sound absorption layer to enable the base material layer and the sound absorption layer to be tightly attached; step S4: coating a second adhesive layer on one side of the sound absorption layer far away from the base material layer; step S5: covering a top decorative layer on one side, provided with the second adhesive layer, of the sound absorption layer on the composite floor roller press, rolling the sound absorption layer and the top decorative layer by using the composite floor roller press, and discharging air bubbles between the sound absorption layer and the top decorative layer to enable the sound absorption layer to be tightly attached to the top decorative layer to form a primary product; step S6: and cutting the primary product into a preset size, arranging a locking lug on at least one end face of the primary product, and arranging a locking groove on at least the other end face of the primary product.
Compared with the prior art, the composite floor roller press comprises two lower bearing seats 31 arranged at intervals, lower bearings rotatably arranged in the lower bearing seats 31, steel rollers 40 with two ends respectively penetrating through the two lower bearings, a steel roller driving unit 41 for driving the steel rollers 40 to rotate, two hydraulic driving units 50 respectively arranged above the two lower bearing seats 31, a middle bearing seat 60 arranged at the output end of the hydraulic driving unit 50, a middle bearing rotatably arranged in the middle bearing seat 60, rubber rollers 70 with two ends respectively penetrating through the two middle bearings, a rubber roller driving unit 71 for driving the rubber rollers 70 to rotate, a cross beam 22 arranged above the rubber rollers 70 and parallel to the rubber rollers 70, and at least one abutting unit 80 arranged on the cross beam 22; the output end of the hydraulic driving unit 50 faces the lower bearing seat 31, and the rubber roller 70 is arranged in parallel with the steel roller 40; the abutting unit 80 comprises two adjustable cylinders 81 arranged on the cross beam 22 at intervals, an upper bearing connected with the output end of the adjustable cylinder 81, and a supporting roller 82 with two ends respectively penetrating through the two upper bearings, wherein the output end of the adjustable cylinder 81 faces the rubber roller 70; the rubber roller 70 comprises a rigid roller core 71 and a rubber sleeve 72 covering the rigid roller core 71, wherein the middle of the rubber sleeve 72 along the length direction protrudes outwards to form a squeezing part 721, and the outer diameter of the rubber sleeve 72 is gradually reduced from the middle to two ends. Therefore, the rubber roller 70 can be ensured to be fully contacted with the steel roller 40 all the time when the composite floor is pressed, so that bubbles are eliminated, and the reject ratio of products is reduced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims (18)

1. A sound floor is inhaled to multilayer which characterized in that: from supreme substrate layer, sound absorbing layer and the top decorative layer of including in proper order down.
2. The multilayer sound absorbing floor of claim 1, wherein: and a sound absorption layer is further arranged on one side, away from the top decoration layer, of the base material layer.
3. The multilayer sound absorbing floor of claim 1, wherein: the multilayer sound-absorbing floor is longer than or equal to 600mm and wider than or equal to 100 mm.
4. The multilayer sound absorbing floor of claim 3, wherein: the multilayer sound-absorbing floor has a length of 1200mm or more and a width of 300mm or more.
5. The multilayer sound absorbing floor of claim 1, wherein: any two layers of the base material layer, the sound absorption layer and the top decoration layer are bonded through a bi-component adhesive.
6. The multilayer sound absorbing floor of claim 1, wherein: the top of substrate layer is provided with a plurality of sound recesses of inhaling.
7. The multilayer sound absorbing floor of claim 1, wherein: the sound absorption layer is made of PE foam material, EVA foam material, PS foam material, PP foam material, PU foam material, PVC foam material, melamine foam material or cork.
8. The multilayer sound absorbing floor of claim 1, wherein: the density of the sound absorption layer is at least 200Kg/m3。
9. The multilayer sound absorbing floor of claim 1, wherein: the thickness of the sound absorption layer is 0.5-5.0 mm.
10. The multilayer sound absorbing floor of claim 1, wherein: the tensile strength of the sound absorption layer is 1.5-4.5 MPa.
11. A manufacturing method of a multilayer sound-absorbing floor is characterized by comprising the following steps: the method comprises the following steps:
step S1: providing a substrate layer;
step S2: coating a first adhesive layer on one side of the base material layer;
step S3: covering a sound absorption layer on one side of the base material layer with the first adhesive layer, rolling the base material layer and the sound absorption layer by using a composite floor roller press, and discharging bubbles between the base material layer and the sound absorption layer to enable the base material layer to be tightly attached to the sound absorption layer;
step S4: coating a second adhesive layer on one side of the sound absorption layer far away from the base material layer;
step S5: covering a top decorative layer on one side of the sound absorption layer with the second adhesive layer, rolling the sound absorption layer and the top decorative layer by using a composite floor roller press, and discharging air bubbles between the sound absorption layer and the top decorative layer to enable the sound absorption layer to be tightly attached to the top decorative layer to form a primary product;
step S6: and cutting the primary product into a preset size, arranging a locking lug on at least one end face of the primary product, and arranging a locking groove on at least the other end face of the primary product.
12. A composite floor roller press characterized by: the rubber roller and the steel roller are arranged in parallel, the cross beam is arranged on one side of the rubber roller far away from the steel roller in parallel, and the at least one abutting unit is arranged on the cross beam; the abutting unit comprises two adjustable cylinders arranged on the cross beam at intervals, an upper bearing connected with the output end of each adjustable cylinder, and a supporting roller, wherein two ends of the supporting roller respectively penetrate through the two upper bearings, and the supporting roller abuts against one side of the rubber roller, which is far away from the steel roller; the rubber roll comprises a rigid roll core and a rubber sleeve coated outside the rigid roll core, the middle of the rubber sleeve in the length direction protrudes outwards to form an extrusion part, and the outer diameter of the rubber sleeve is gradually reduced from the middle to two ends.
13. The composite floor roller of claim 12, wherein: the both ends that are provided with lower bearing, steel roller in the both ends of steel roller are provided with the step respectively, and the both ends of steel roller pass two lower bearings respectively, laminate flooring roller is still including being used for driving steel roller pivoted steel roller drive unit, two hydraulic drive units that set up respectively in two step tops, set up in the center bearing frame of hydraulic drive unit's output, rotate the center bearing that is located the center bearing frame, be used for driving rubber roll pivoted rubber roll drive unit, and hydraulic drive unit's output is towards the step, and two center bearings are passed respectively to the both ends of rubber roll.
14. The composite floor roller of claim 13, wherein: the support frame is characterized by further comprising a base and two support columns which are vertically connected with the base and located on one side of the mounting support at intervals, and the lower bearing seat is arranged at the tail end, far away from the base, of each support column.
15. The composite floor roller of claim 14, wherein: the hydraulic drive unit is installed on the extension parts, and two ends of the cross beam are respectively connected with the two extension parts.
16. The composite floor roller of claim 13, wherein: the lower bearing seat is connected with a first mounting plate, the steel roller driving unit is mounted on the first mounting plate, and an output shaft of the steel roller driving unit is connected with one end of the steel roller through a first transmission mechanism.
17. The composite floor roller of claim 13, wherein: the middle bearing seat is connected with a second mounting plate, the rubber roller driving unit is mounted on the second mounting plate, and an output shaft of the rubber roller driving unit is connected with one end of the rubber roller through a second transmission structure.
18. The composite floor roller of claim 12, wherein: the number of the abutting units is three.
CN202010565931.1A 2020-06-19 2020-06-19 Multilayer sound-absorbing floor, manufacturing method thereof and composite floor roller press Pending CN111691635A (en)

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