CN1903533A

CN1903533A - Method for ceramic tile or sheet material with shaped stimulant natural stone material typical feature and its device

Info

Publication number: CN1903533A
Application number: CNA2006101019142A
Authority: CN
Inventors: S·瓦利
Original assignee: Sacmi Imola SC
Current assignee: Sacmi Imola SC
Priority date: 2005-07-19
Filing date: 2006-07-11
Publication date: 2007-01-31
Also published as: RU2006124429A; ITRE20050083A1; EP1745904A3; EP1745904A2

Abstract

A method for the forming of ceramic tiles or slabs reproducing the typical characteristics of the natural stones, comprising the following steps: a) providing a layer (100) of coloured powders to be compacted having a prearranged arrangement, said layer (100) being defined inside a container (20;40); b) inserting a compressed air flow inside said container (20;40) through at least one hole (3), so to locally alter the prearranged arrangement of the powders; c) conveying the layer (100) of altered powders towards a system of compaction and forming.

Description

Be used for the ceramic tile of molding simulation lithotome characteristic feature or the method and the device thereof of sheet material

Technical field

The present invention relates to be used for the ceramic tile of molding simulation lithotome characteristic feature or the method and the relevant apparatus of sheet material.

More particularly, the present invention relates to be used for the ceramic tile or the sheet material of molding simulation lithotome typical case visual appearance, and change method and device thereof that the predetermined texture of the powder that is used for the layer that moulding will be compacted is arranged.

Background technology

Known exist in the prior art can realize making ceramic tile the simulation aesthetic effect very near the method and system of lithotome aesthetic effect.

A system like this is described in same applicant's the PCT/IB2005/000025 application.

The shortcoming that the method and system of use prior art runs into is, be difficult in the texture of setting up again on the completed ceramic tile except that normal texture, be difficult to set up those equally owing to the specific typical discontinuous decorative pattern that natural phenomenon caused, for example those cause the phenomenon of " crack " or crossgrained displacement.

Therefore, method and device thereof for available ceramic tile that is used for molding simulation lithotome characteristic feature or sheet material exist very big demand, this method and apparatus allows finally to obtain texture and arranges the ceramic tile that change has taken place, so that simulation is because the specific discontinuous decorative pattern that natural phenomenon caused, for example crack.

Summary of the invention

The object of the present invention is to provide a kind of method and apparatus that allows to satisfy aforementioned needs and overcome the shortcoming of mentioning in the prior art simultaneously.

This purpose realizes by the method and apparatus of claim 1 and 8 respectively.

Dependent claims defines the preferred and particularly advantageous embodiment of the method according to this invention and device.

Description of drawings

Following with the specification of exemplary and non-limiting proposition and under the help of accompanying drawing by reading, further feature and advantage of the present invention will become obviously, and wherein accompanying drawing is:

Fig. 1 and 1A are the vertical cross section schematic diagrames according to the device of the ceramic tile that is used for molding simulation lithotome characteristic feature of first embodiment of the invention or sheet material;

Fig. 2 and 2A are respectively the detailed perspective view of Fig. 1 and 1A;

Fig. 3 is the front view of analysing and observe according to the part of the device of second embodiment of the invention;

Fig. 4 is the view along Fig. 3 center line IV-IV intercepting.

The specific embodiment

In these accompanying drawings, show according to the ceramic tile of molding simulation lithotome characteristic feature or the device of sheet material of being used for of the present invention.

This device comprises container with its most common form, described container is suitable for holding the color powder layer 100 with predetermined arrangement with being compacted, and comprise the compressed air blowing out device, it is adapted to pass through at least one hole 3 air stream is sent to internal tank, so that the local predetermined arrangement that changes this powder.

This hole has the diameter very little with respect to its thickness, so that it has the air mass flow of reduction under high speed.

In the ending that powder changes, layer 100 is carried to the shaped device that is suitable for this powder of compacting with respect to their predetermined arrangement.

According to the first embodiment of the present invention, described container is one and is suitable for the carriage 20 that moves on the surface 30 between position (Fig. 1) and anterior position (not shown) in the wings, position in the wings wherein, it receives (by unshowned one type of prior art syringe) color powder, and described color powder forms the layer 100 with substantially constant thickness S that will be compacted at this internal tank; Position forwardly, the molding cavity 50 of carriage ceramic tile.

Carriage 20 has hole 3 in its side, and compressed air is sent into (Fig. 2) by this hole.Although only show a hole 3, can predict several being set being blown into compressed-air actuated hole on relative side by it.

The compressed air device for blowing is a compressed air air blast, and diagram illustrates and represents with label 2 in Fig. 2.

The compressed-air actuated pressure of sending into can be regulated by known devices, for example intercepts the motor-driven valve 4 of air input pipe.

By being blown into compressed air in carriage 20 inside, the powder in the carriage suffers local mixing more substantially, and consequently, formerly blowing out of the figure of Huo Deing locates to occur interruption.This has produced one and has had the layer 100 that is similar to the crack effect at its operated some place.

Undesirable discharge takes place compressed-air actuated sending in the powder in the carriage 20 in the process, to be closed be necessary to the lower openings of carriage 20 at least.

For this reason, can predict and use the removable plate 20b be associated with carriage 20, and this plate is suitable for respect to the carriage slip so that can close lower openings, this can be as shown in Figure 2.

This embodiment can be applicable to the carriage 20 that accommodates a large amount of powder well; But for the volume that has reduced, powder might be discharged by the upper opening of having opened in send into compressed-air actuated process.In this case, it is possible that another plate 20a be associated with lower panel 20b is used in prediction, described plate 20a be suitable for closing carriage 20 upper opening (Figure 1A, 2A).

In order to allow in the modification of above-mentioned first embodiment, the discharge that is sent to the air of carriage 20 can be passed through

plate

20a, and 20b closes, and the relative wall of the wall of sending into therefrom with air of carriage 20 is provided with bleed air valve, and this is not shown.

This valve is positioned on the relative wall with respect to the location of sending into the hole, and it has determined the position in " crack " that advance circuit and the dotted line by among the figure therefore of air in the powder is represented.

The ending of sending at compressed air, according to prior art, carriage is drawn towards molding cavity 50, and then, lower panel 20b and, if upper board 20a is set, be drawn towards molding cavity with carriage 20, reach on the mould cavity 50 up to them,

plate

20a, 20b are removed with permission powder are loaded in this mould subsequently.If employed plate has higher thickness, it can remove from carriage 20 at the edge of this mould.

Replacedly, it is possible not using any lower panel and directly placing carriage 20 on 30 the top, surface, and in this case, carriage must flush with mould, and when carriage 20 was placed on the mould, the low punch of mould should be raised.

Compressed-air actuated pressure can be used as expection aesthetic effect function and by regulated at will.Preferably, can to cling at 0.2-6 under the pressure limit of (bar) by diameter range be that the hole of 1-8mm takes place in operation.

In order to set up new aesthetic effect, for example simulate extra inclusion, can place apparatus for pouring 5 and the extra color powder by the introducing of venturi (Venturi) effect by blow out air be sent to carriage 20 be possible (Fig. 2,2A).

According to second embodiment, shown in Fig. 3 and 4, container is vertical loading hopper 40, and it has charge door 6 on top, have discharge port 7 in the bottom.Especially, loading hopper 40 is placed on the movable surface 10 of level and has the parallelepiped structure, promptly there are two face 40a perpendicular to the direction of advance placement of movable surface 10 with big surface, 40b, described direction of advance is represented with arrow in Fig. 4, with two therefore remaining opposing vertical face 40c that are parallel to the direction of advance placement on surface 10,40d.Two face 40a with big surface, the distance between the 40b preferably equals the thickness S of the powder bed 100 that will be compacted.

Because this second embodiment, powder bed 100 enterprising line operates in dropping to loading hopper 40 continuously are possible, wherein this loading hopper has the color powder of predetermined arrangement from the top feeding, and changing the back by the compressed air of sending into via hole 3 at powder unloads in the bottom, wherein this hole is formed on two face 40c that are parallel to direction of advance, at least one among the 40d.

The thickness S of the layer 100 that the distance between the movable surface 10 of unloading mouth 7 and below preferably equals to be compacted is so that the speed that powder is discharged from loading hopper approximates the speed of movable surface 10.

Although only used a hole 3 in an example shown, it is possible operating by several holes of arranging in any way, and described hole is preferably always along the side of the thickness S that limits powder bed 100.

And compressed air stream is preferably sent into the direction of level substantially.

Can understand from described, allow to satisfy the demand and overcome the shortcoming of the prior art of describing in the preface part of specification according to the method and apparatus of the characteristic feature of forming ceramic tiles of the present invention or sheet material simulation lithotome.

Certainly, in order to satisfy interim and specific needs, those of ordinary skills can make multiple improvement and variation to said method and device, and all these is included in by in following protection scope of the present invention that claim limited.

Claims

1, is used for the ceramic tile of molding simulation lithotome characteristic feature or the method for sheet material, comprises the following steps:

A) provide the color powder layer (100) with predetermined arrangement that will be compacted, described layer (100) is limited at container (20; 40) in;

B) by at least one hole (3) compressed air stream is sent to described container (20; 40) in, change the predetermined arrangement of powder with the part;

C) powder bed (100) after will changing is delivered to debulking systems and moulding.

2, according to the method for claim 1, it is characterized in that described container (20; 40) has the parallelepiped structure.

According to the method for claim 2, it is characterized in that 3, described at least one hole (3) is formed on described container (20; 40) on the side, this container defines the thickness (S) of the powder bed (100) that is held.

According to the method for claim 3, it is characterized in that 4, described compressed air stream is sent into along substantially horizontal direction.

According to the method for claim 1, it is characterized in that 5, described compressed air stream causes described container (20 with extra color powder; 40) inside.

According to the method for claim 1, it is characterized in that 6, described extra color powder is introduced by Venturi effect.

According to the method for claim 1, it is characterized in that 7, the described step b) of sending into air is that carry out in the hole of 1-8mm by diameter range under the pressure limit of 0.2-6 crust.

8, be used for the ceramic tile of molding simulation lithotome characteristic feature or the device of sheet material, it is characterized in that, comprise container (20; 40), described container is suitable for holding the color powder layer (100) with predetermined arrangement with being compacted; Compressed air device for blowing (2), it is adapted to pass through at least one hole (3) compressed air stream is sent to (20; 40) in, described air stream changes the predetermined arrangement of powder.

9, device according to Claim 8 comprises that also the arrangement that is suitable at powder has been changed the shaped device of back to its compacting.

10, device according to Claim 8, it is characterized in that, described container is made of mobile stool (20), and described carriage is provided with first plate (20b) that can move with respect to carriage (20), and this first plate is suitable in the compressed-air actuated bottom of closing carriage in the process of sending into.

11, according to the device of claim 10, it is characterized in that, described carriage (20) also is provided with second plate (20a) that can move with respect to carriage (20), and this second plate is suitable at the compressed-air actuated top of closing carriage in the process of sending into, and the wall that described carriage (20) is relative with the wall of sending into air is provided with bleed air valve.

12, device according to Claim 8, it is characterized in that, described container is made of vertical loading hopper (40), described loading hopper has charge door (6) and has discharge port (7) in the bottom on top, described loading hopper (40) is placed on the horizontal movable surface (10) and has the parallelepiped structure, promptly there are two face (40a perpendicular to the direction of advance placement of described surface (10) with big surface, 40b), the opposing vertical face (40c that direction of advance is placed that is parallel to remainder, 40d), (40a, 40b) distance between equals the thickness (S) of the powder bed (100) that will be compacted to described face with big surface.

13, according to the device of claim 12, it is characterized in that, described at least one hole (3) is formed on and is placed vertically and is parallel to two relative faces of loading hopper (40) of direction of advance on surface (10) (40c, on one in 40d), wherein circulation of air via hole (3) is sent into.

According to the device of claim 12, it is characterized in that 14, described loading hopper (40) is in a continuous manner from charge door (6) charging.

15, device according to Claim 8 comprises apparatus for pouring (5), and it is suitable for extra color powder is poured into sending in the conduit of described air stream, so that they are introduced in container (20 by Venturi effect; 40) in.