CN115434488A - Online mold pressing SPC floor device, SPC floor and manufacturing method of SPC floor - Google Patents

Abstract

The invention discloses online mould pressing SPC floor equipment, an SPC floor and a manufacturing method of the SPC floor, wherein the manufacturing method comprises an embossing roller, a plurality of first embossing patterns are arranged on the outer surface of the embossing roller along the circumferential direction, a plurality of second embossing patterns are arranged on the outer surface of the embossing roller along the axial direction, each first embossing pattern comprises a first concave part and two first convex parts, the two first convex parts are respectively arranged on two sides of the corresponding first concave part, each second embossing pattern comprises a second concave part and two second convex parts, the two second convex parts are respectively arranged on two sides of the corresponding second concave part, and the cross section shapes of the first convex parts and the cross section shapes of the second convex parts are both arc-shaped. Carry out the pressfitting through the embossing roller to the substrate for the position of cutting of every substrate has the circular arc structure, and when two substrates splice together, the circular arc structure can directly form the chamfer, and then reduces the chamfer and handle, also need not be in carrying out the chamfer and paint the process, thereby reduces the cost of manufacture on SPC floor.

Description

Online mold pressing SPC floor device, SPC floor and manufacturing method of SPC floor

Technical Field

The invention relates to the technical field of floor manufacturing, in particular to online mould pressing SPC floor equipment, an SPC floor and a manufacturing method of the SPC floor.

Background

SPC flooring is what we often say as stone-plastic flooring, SPC being an acronym for stone-plastic composite materials in english. The SPC floor is generally manufactured by the processes of mixing, extruding, pressing and pasting on line, painting on the surface, slicing and grooving. The SPC floor is required to be subjected to chamfering treatment on the surface of the groove opening in the grooving process, so that a white film is prevented from appearing after chamfering, chromatic aberration is avoided, chamfering paint treatment is also required, the surface of the base material paved is consistent in color and luster, chromatic aberration is avoided, and the manufacturing cost of the SPC floor is increased.

Disclosure of Invention

Therefore, there is a need for an online mold pressing SPC floor apparatus, an SPC floor, and a method for manufacturing an SPC floor, which solve the technical problem of the prior art that chamfering treatment and chamfering painting treatment are required for a substrate, thereby increasing the manufacturing cost of the SPC floor.

The invention provides line mould pressing SPC floor equipment which comprises an embossing roller, wherein a plurality of first embossing patterns are arranged on the outer surface of the embossing roller along the circumferential direction, a plurality of second embossing patterns are arranged on the outer surface of the embossing roller along the axial direction, each first embossing pattern comprises a first concave part and two first convex parts, the two first convex parts are respectively arranged on two sides of the corresponding first concave part, each second embossing pattern comprises a second concave part and two second convex parts, the two second convex parts are respectively arranged on two sides of the corresponding second concave part, and the cross section shapes of the first convex parts and the cross section shapes of the second convex parts are both arc-shaped.

Further, two first protruding portions are arranged in parallel, and/or two second protruding portions are arranged in parallel.

Further, the width of the second recess is greater than the width of the first recess.

Further, the width of the first concave part is 11-12 mm.

Further, the width of the second concave part is 38-40 mm.

Further, the depth of the first concave part is 0.1-0.3 mm, and/or the depth of the second concave part is 0.1-0.3 mm.

Further, the height of the first protruding part is 0.2-0.4 mm, and/or the height of the second protruding part is 0.2-0.4 mm.

Further, the cross-sectional shape of the first recessed portion and the cross-sectional shape of the second recessed portion are both circular arc-shaped.

In another embodiment of the present invention, an SPC floor is further disclosed, wherein the SPC floor is formed by laminating the above online SPC floor pressing apparatus, the SPC floor has a plurality of third embossings and a plurality of fourth embossings, the third embossings correspond to the first embossings, the fourth embossings correspond to the second embossings, the third embossings include third convex portions and two third concave portions, the two third concave portions are respectively located on two sides of the third convex portions, the fourth embossings include fourth convex portions and two fourth concave portions, the two fourth concave portions are located on two sides of the fourth convex portions, and both the cross-sectional shape of the third concave portions and the cross-sectional shape of the fourth concave portions are arc-shaped.

In another embodiment of the present invention, a method for manufacturing the SPC floor is further disclosed, which includes the steps of:

putting the raw materials into a mixer for hot mixing, uniformly mixing, discharging the moisture of the raw materials, and then carrying out cold mixing;

adding the cold-mixed raw materials into an extruder, heating and extruding, and forming the extruded raw materials into a base material;

pressing the base material through an embossing roller so that the base material forms a third protruding part and two third concave parts which are respectively positioned at two sides of the third protruding part;

and slitting, slotting and splicing are carried out at the middle position of the two third concave parts of the base material.

The invention provides online mould pressing SPC floor equipment, which comprises an embossing roller, wherein a first concave part and a second convex part are arranged on the outer surface of the embossing roller in the circumferential direction, a second concave part and a second convex part are arranged on the outer surface of the embossing roller in the axial direction, a base material is pressed through the embossing roller, the positions of the base material corresponding to the first concave part and the second concave part are convex, the positions of the base material corresponding to the first convex part and the second convex part are concave, so that the base material has concave and convex positions in the transverse direction and the longitudinal direction, and the cross section shapes of the first convex part and the second convex part are arc-shaped, so that the concave position of the base material is also arc-shaped, the middle part of the concave position of each base material is cut, the cutting position of each base material has an arc-shaped structure, when the two base materials are spliced together, the arc-shaped structure can directly form a chamfer, further the chamfer treatment is reduced, and the chamfer painting process is not needed, so that the manufacturing cost of the SPC floor is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of an embossing roll according to an embodiment of the present invention;

FIG. 2 is a schematic view of an expanded structure of an embossing roll in an embodiment of the present invention;

FIG. 3 is a cross-sectional view of an embossing roll in an embodiment of the present invention;

FIG. 4 is a cross-sectional view of a substrate in an example of the invention;

fig. 5 is a schematic structural diagram of an SPC floor in an embodiment of the present invention.

The main components are as follows:

100. a first recess; 200. a first boss portion; 300. a second recess; 400. a second boss; 500. a third boss portion; 600. a third recessed portion; 700. and (7) chamfering.

The implementation, functional features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and back \8230;) in the embodiments of the present invention are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicators are changed accordingly.

In addition, the descriptions relating to "first", "second", etc. in the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, "and/or" in the whole text includes three schemes, taking a and/or B as an example, including a technical scheme, and a technical scheme that a and B meet simultaneously; in addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

In some embodiments, as shown in fig. 1 and 2, an online press SPC flooring apparatus includes an embossing roller, an outer surface of the embossing roller is provided with a plurality of first embossings along a circumferential direction, an outer surface of the embossing roller is provided with a plurality of second embossings along an axial direction, the first embossings include a first recess 100 and two first protrusions 200, the two first protrusions 200 are respectively disposed at both sides of the first recess 100, the second embossings include a second recess 300 and two second protrusions 400, the two second protrusions 400 are respectively disposed at both sides of the second recess 300, and a cross-sectional shape of the first protrusion 200 and a cross-sectional shape of the second protrusion 400 are both circular arc shapes.

During operation, as shown in fig. 3 to 5, the substrates are pressed together by the embossing roller, the positions of the substrates corresponding to the first concave portion 100 and the second concave portion 300 are convex, the positions of the substrates corresponding to the first convex portion 200 and the second convex portion 400 are concave, so that the substrates are both concave and convex in the transverse direction and the longitudinal direction, and because the cross-sectional shape of the first convex portion 200 and the cross-sectional shape of the second convex portion 400 are arc-shaped, the concave of the substrates are also arc-shaped, the middle of the concave of each substrate is cut, so that the cutting position of each substrate has an arc structure, when the two substrates are spliced together, the arc structure can directly form a chamfer, thereby reducing the chamfer treatment, and the process of chamfer painting is not needed, thereby reducing the manufacturing cost of the SPC floor.

The SPC extruder comprises an extruder charging barrel, a die, a thickness-fixing roller, a back grain roller, an embossing roller and a traction roller. The surface texture of the SPC substrate is mainly determined by the embossing roller, and different embossing rollers can be customized according to the requirements of users. The SPC floor is most commonly used with a size of 1220 x 180 or 600 x 300, and the substrate size after embossing roll processing is 1220 x 975, requiring a dicing process on the substrate size of 1220 x 975. The process parameter design of the extruder, the speed of extrusion directly influences the cutting position of the plate, the current is set to be 130 +/-5A in the extruder process, and the screw speed is set to be 25 +/-2 r/min; the feeding speed is 14 +/-1 r/min.

Further, the two first protruding portions 200 are arranged in parallel, the substrate pressed by the two first protruding portions 200 is a concave line, the two first protruding portions 200 are arranged in parallel, and the two concave lines of the pressed substrate are also parallel. Further, two second protrusions 400 are disposed in parallel. The SPC substrate needs to be cut after being processed by the traction roller, the size of the substrate is determined, the size needed is directly cut according to the infrared test, and the size deviation problem can be avoided. The embossing roller of the invention is adjusted on the circumference, so that one roller needs to be cut after each circle of embossing roller is finished.

Specifically, the width of the second recess 300 is greater than the width of the first recess 100. The width of the first concave part 100 is 11-12 mm, and the substrate pressed by the first concave part 100 is a convex mechanism. The width of the second recess 300 is 38 to 40mm. Namely, the widths of the protruding structures pressed out of the substrate by the first recessed portion 100 and the second recessed portion 300 are 11-12 mm and 38-40 mm, respectively.

More specifically, the depression depth of the first depression 100 is 0.1 to 0.3mm, and the depression depth of the second depression 300 is 0.1 to 0.3mm. Namely, the heights of the protrusions of the substrate pressed by the first concave part 100 and the second concave part 300 are 0.1-0.3 mm.

The first protrusion 200 has a protrusion height of 0.2 to 0.4mm, and the second protrusion 400 has a protrusion height of 0.2 to 0.4mm. Namely, the depth of the concave of the substrate pressed by the first convex part 200 and the second convex part 400 is 0.2-0.4 mm.

Further, the cross-sectional shape of the first recess 100 and the cross-sectional shape of the first protrusion 200 are both circular arc shapes. The cross-sectional shape of the second recess 300 and the cross-sectional shape of the second protrusion 400 are both circular arc-shaped. So set up for the arch and the sunken circular-arc that all are of the substrate of pressfitting out, so that subsequent fluting and cutting.

In another embodiment, as shown in fig. 4, an SPC flooring is formed by laminating an on-line SPC flooring apparatus, the SPC flooring has a plurality of third embossings and a plurality of fourth embossings, the third embossings correspond to the first embossings, the fourth embossings correspond to the second embossings, the third embossings include third protrusions 500 and two third recesses 600, the two third recesses 600 are respectively located at two sides of the third protrusions 500, the fourth embossings include fourth protrusions and two fourth recesses, the two fourth recesses are located at two sides of the fourth protrusions, and the cross-sectional shapes of the third recesses and the fourth recesses are circular arcs.

In another embodiment, a method for preparing an SPC flooring comprises the steps of:

s1, putting the raw materials into a mixer for hot mixing, uniformly mixing, discharging the moisture of the raw materials, and then performing cold mixing;

s2, adding the cold-mixed raw materials into an extruder, heating and extruding, and forming the extruded raw materials into a base material;

s3, pressing the base material through an embossing roller to enable the base material to form a third protruding portion 500 and two third recessed portions 600 which are located on two sides of the third protruding portion 500 respectively;

and S4, slitting, slotting and splicing are carried out at the middle positions of the two third concave parts 600 of the base material.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The utility model provides an online mould pressing SPC floor equipment, its characterized in that, includes the emboss roller, the surface of emboss roller is provided with a plurality of first impressed watermark along the circumferencial direction, the surface of emboss roller is provided with a plurality of second impressed watermark along axial direction, first impressed watermark includes first depressed part and two first bellyings, two first bellyings set up respectively in the both sides of first depressed part, the second impressed watermark includes second depressed part and two second bellyings, two second bellyings set up respectively in the both sides of second depressed part, the cross sectional shape of first bellyings with the cross sectional shape of second bellyings is circular-arcly.

2. The in-line embossed SPC flooring apparatus of claim 1, wherein two of the first bosses are provided in parallel and/or two of the second bosses are provided in parallel.

3. The in-line mold pressing SPC flooring apparatus of claim 1, wherein the width of the second depression is greater than the width of the first depression.

4. The in-line pressure master temperature control (SPC) flooring apparatus of claim 1, wherein the first recess has a width of 11-12 mm.

5. The in-line mold pressing SPC flooring apparatus of claim 1, wherein the width of the second depression is 38 to 40mm.

6. The in-line embossed SPC flooring apparatus of claim 1, wherein the depression depth of the first depression is 0.1 to 0.3mm, and/or the depression depth of the second depression is 0.1 to 0.3mm.

7. The in-line embossed SPC flooring apparatus of claim 1, wherein the first protrusion has a protrusion height of 0.2 to 0.4mm, and/or the second protrusion has a protrusion height of 0.2 to 0.4mm.

8. The on-line mold pressing SPC flooring apparatus of claim 1, wherein the cross-sectional shape of the first depression and the cross-sectional shape of the second depression are both circular arc-shaped.

9. An SPC flooring laminated by the on-line press-molding SPC flooring apparatus of any one of claims 1 to 8, wherein the SPC flooring has a plurality of third embossings corresponding to the first embossings and a plurality of fourth embossings corresponding to the second embossings, the third embossings including third convex portions and two third concave portions, the two third concave portions being respectively located at both sides of the third convex portions, the fourth embossings including fourth convex portions and two fourth concave portions, the two fourth concave portions being respectively located at both sides of the fourth convex portions, and the sectional shapes of the third concave portions and the fourth concave portions being circular arc shapes.

10. A method of manufacturing an SPC flooring according to claim 9, comprising the steps of:

putting the raw materials into a mixer for hot mixing, uniformly mixing, discharging the moisture of the raw materials, and then carrying out cold mixing;

adding the cold-mixed raw materials into an extruder, heating and extruding, and forming the extruded raw materials into a base material;

pressing the base material through an embossing roller so that the base material forms a third protruding part and two third concave parts which are respectively positioned at two sides of the third protruding part;

and slitting, slotting and splicing are carried out at the middle position of the two third concave parts of the base material.

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