CN1367071A

CN1367071A - Method for feeding material into mould for press-making ceramic products and its equipment

Info

Publication number: CN1367071A
Application number: CN02102829.XA
Authority: CN
Inventors: U·曼弗雷迪尼; S·希安企; A·菲奥伦蒂尼
Original assignee: Manfridyni & Siantschi SpA
Current assignee: Manfridyni & Siantschi SpA
Priority date: 2001-01-24
Filing date: 2002-01-23
Publication date: 2002-09-04
Also published as: ITMO20010007A1; BR0200167A; EP1226912A3; EP1226912A2; ITMO20010007A0

Abstract

A device for loading material into a mold for pressing ceramic articles comprises a frame supporting a carriage with at least one tray supported thereon and at least one motorized conveyor belt arranged in front of the tray, the carriage being slideable with reciprocating rectilinear motion between a feeder station for feeding material, and a loading station for loading the mold. The mold loading method comprises depositing the material into the containment tray and on the upper portion of at least one motorized conveyor belt arranged in front of the tray; causing the simultaneous advancement of the tray and of the belt, which is kept stationary, above the mold, moving the tray so that it lies above the molding chambers of the mold and fills them by gravity, forming a first layer of material; simultaneously retracting the tray and the stationary belt, placing the belt at the downstream edge of the chambers; and causing the further retraction of the tray and of the belt, actuated so as to move, in order to release the material deposited on its upper portion into the chambers, so as to form a second layer which is superimposed on the first layer.

Description

Be used for material is encased in the method and apparatus of the mould that press-making ceramic products uses

Invention field

The present invention relates to a kind of being used for is encased in press-making ceramic products, the especially method and the corresponding loading attachment thereof of the mould used of ceramic tile with material.

Background of invention

Known loading attachment comprises a movable travelling carriage, this travelling carriage is provided with a pallet, the inside of this pallet is cut apart by holding the grizzly bar that powder uses, and activated and the mould upstream of press, wherein pallet by the supply station of powder filling with the press place, wherein pallet and grizzly bar align and are stacked in translational motion between the load station on the recess of female part of mould.

Pallet and grizzly bar are opened in downstream area, and are shelved on the slidingsurface with the plane coplane of press.

After using the powder filling pallet of predetermined quantity, this pallet is from supplying with station towards the load station translational motion, sun plug in the top of mould keeps rising simultaneously, complementary bottom Yang Sai then keep rising to the neat high structure in the plane of press in so that be configured for the continuous slidingsurface of the pallet of movable travelling carriage.

When pallet alignd with respect to recess and be stacked, complementary sun plug descended, and forms die cavity thus, and this die cavity comes filling by the powder that drops from grizzly bar.

When being back to, the travelling carriage that has empty pallet and grizzly bar supplies with station and for time spent of next round operation cycle, top sun plug descends, so that compacting is encased in the dusty material in the mould.

In addition, known loading attachment comprises a movable travelling carriage, and this travelling carriage has motor-driven conveyer belt rather than the pallet of piling up the powder that specific quantity is arranged on it.

Travelling carriage is arranged on static conveyer belt above the recess of mould towards the load station translational motion, then is back to the supply station; In this last stroke, conveyer belt activated and moves, so that powder is discharged in the recess of mould.

Said apparatus can obtain the ceramic that is made of monolayer material.

The so-called dual loading attachment of known another kind, it can obtain to have the goods of two layer laminate, and for example following one deck constitutes body, and top one deck then constitutes decoration.

These devices comprise those devices that master tray constituted by the powder of this body and function that is used to hold molded ceramic tile, and the place ahead of master tray is provided with the auxiliary tray of the powder that the decorative layer that is used to hold molded ceramic tile uses.

These two pallets are supported by same movable travelling carriage, and shift-in or move apart mutually.

Residing supply station is towards the load station translational motion during by corresponding powder filling from two pallets for travelling carriage, so that master tray is with respect to the recess alignment of mould and stacked, auxiliary tray then is arranged on the downstream of described recess.

In case powder has dropped among the die cavity of below, then master tray bounces back towards supplying with station with regard to empty; Then, auxiliary tray also bounces back, this retraction during, auxiliary tray with second layer powder accumulation to the ground floor of previous loading.

When two pallets were back to the press upstream, the top of mould sun plug descended, so that the compacting ceramic tile.

These traditional dual loading attachments can't be avoided following shortcoming, and promptly their speed slowly and quite complicated and be difficult to operate; In fact they need continuously and independently backstroke twice, and each stroke all needs time enough, will cause productivity ratio low like this.

Summary of the invention

Target of the present invention is to be used for that material is encased in the method for the mould that press-making ceramic products uses and corresponding device thereof thereof and to eliminate above-mentioned shortcoming in the known devices by providing a kind of, this method and apparatus can shorten and carry out to load the required time, pick up speed and boosting productivity.

For realizing this set objective, the objective of the invention is to simple, be convenient to implement, safe in utilization, operation is efficient and the cheap relatively structure of cost realizes above-mentioned target.

More open-and-shut this target that will become hereinafter and this and other purpose are achieved by a kind of method that is used for material is encased in the mould that press-making ceramic products uses, its characteristics are that it comprises: material is stacked on the top of at least one motor-driven conveyer belt that accommodating tray neutralization is arranged on pallet the place ahead; Pallet and conveyer belt are advanced simultaneously, and conveyer belt keeps being still in the top of mould, and mobile pallet on the die cavity that is located at mould, and utilizes gravity to come the filling die cavity, thereby forms the ground floor material; Pallet and static conveyer belt are bounced back simultaneously, and conveyer belt is arranged on the downstream edge place of die cavity; And pallet and conveyer belt are further bounced back, conveyer belt activated and moves, so that the material that will be deposited on its top is discharged in the die cavity, thereby forms the second layer that is stacked on the ground floor.

A kind of device that is used for material is encased in the mould that press-making ceramic products uses, its characteristics are, it comprises is supporting the support and at least one motor-driven conveyer belt that is arranged on pallet the place ahead that its upper support has the travelling carriage of at least one pallet, travelling carriage can be done reciprocating type linear slide motion being used for material is supplied to the supply station on the top of pallet and conveyer belt and being used to load between the load station of mould, in load station, pallet is arranged on the die cavity of mould, so that filling die cavity, thereby form first material layer, and conveyer belt keeps being still in the downstream of die cavity, conveyer belt activated in the retract stroke of travelling carriage and moves, so that the material that will be deposited on the conveyer belt is discharged in the die cavity, so that form the second layer that is stacked on the ground floor.

Brief description

From following to only with the form of non-limitative example illustrate in the accompanying drawings, a kind of being used for be encased in material in the detailed description of embodiment of preferable (but not unique) of the method for the mould that press-making ceramic products uses and corresponding device thereof thereof, it is very clear that further aspect of the present invention and advantage will become, in these accompanying drawings:

Fig. 1 is the schematic side view of apparatus of the present invention;

Fig. 2 is the floor map of device shown in Figure 1;

Fig. 3 is that the details of device shown in Figure 1 is in the partial schematic sectional view in first operating structure;

Fig. 4 is that details shown in Figure 3 is in the schematic diagram in second operating structure;

Fig. 5 is that details shown in Figure 3 is in the schematic diagram in the 3rd operating structure.

The detailed description of embodiment

See also accompanying drawing, label 1 total expression the present invention is used for material is encased in the device of the mould that press-making ceramic products uses.

This device 1 is arranged on the upstream of the press 2 that molded ceramic tile P uses, and it comprises the support T that is associated with travelling carriage 3; This travelling carriage is supporting pallet 4, and this pallet is provided with the inside grizzly bar 5 that is used to hold moulding material M.

Motor-driven conveyer belt 6 is arranged on the place ahead of pallet 4, and its top is suitable for admitting the moulding material N of predetermined quantity.

Press 2 comprises part of the lower die and part of the upper die, this part of the lower die is made of former part 7, in this former part, be provided with recess 8, this recess is sealed downwards by the sun plug 9 of complementation, this sun plug vertically moves in recess 8, so that define the die cavity 10 that is used for molded ceramic tile P, the vertical translation motion is carried out in the part of the upper die, and is supporting and be suitable for suppressing the powder that is encased in the die cavity 10 so that obtain the sun plug 11 of ceramic tile P.

Because of press traditional type sheerly, so only schematically show the structure of press 2.

Support T comprises two transverse plates 12 respect to one another, and travelling carriage 3 is guided between this two boards linear guidance device and the electronic device (not shown) by traditional type and makes oscillating rectilinear motion; Pallet 4 and conveyer belt 6 and travelling carriage 3 together rigidity move.

Travelling carriage 3 in the upstream of press 2, be used for molded and/or ornament materials M and N supplied to respectively on pallet 4 and the conveyer belt 6 the supply station and at compressor 2 places, be used for material M and N being encased between the load station of die cavity 10 and move with stacked system.

Supply with station and comprise formed by support T, as to be used to support first hopper 13 structure, the opening of this first hopper is controlled by the fluid-dynamic actuators that is made of first cylinder 14; This hopper is suitable for coming filling pallet 4 with the material M of predetermined quantity.

Hopper 13 is provided with and is suitable for promoting material M to be discharged into the vibrating device (not shown) in the pallet, and is filled with from the top by batching pipe 15, and this batching pipe is activated by first motor 16, so that slide along a bar (not shown) that crosses device 1.

Supply with station and also comprise second hopper 17, this hopper also is provided with vibrating device (not shown), and its opening is controlled by the fluid-dynamic actuators that is made of second cylinder 18; This second hopper is suitable for material N is stacked on the top of conveyer belt 16.

The inside of hopper 17 distributes all separators of material N wherein to be divided into all parts by allowing in a kind of mode of distinguishing, and be filled with from the top by three containers 19, these three containers are supported by support 20, this support is activated by motor 22, so that slide along a transverse bar 21, and be suitable for all containers 19 hopper 17 divided different piece places that are placed in one, so that obtain multicolour effect.

Each container 19 can be independently slides along straight separately longitudinal rail 23, and these guide rails are parallel to each other and support by support 20, and the actuating of the actuating device that constituted by accordingly, by the 3rd cylinder 24 of each container is moved.

The motor-driven cylinder 25 that the outlet of each container 19 is used by the dosage of control material N is sealing in lower area; Cylinder 25 can have different profiles.

For diagram for simplicity, Fig. 2 do not illustrate place first hopper 13 on pallet 4 and the grizzly bar 5 and place on the conveyer belt 6, second hopper 17 under the container 19.

In addition, travelling carriage 3 is provided with the controlled auxiliary tray of its opening 26; This auxiliary tray also has vibrating device (not shown), and is arranged on the place ahead of conveyer belt 6, so that hold the moulding material of additives amount.

Advantageously, device 1 comprises the brush 28 that the molded ceramic tile P that forms pushed away the impeller 27 of press 2 and be designed to remove the material residue in the nip region, scraper etc.

The slidingsurface of the top surface coplane of label 29 expressions and former part 7, it is used to make pallet 4 and grizzly bar 5 to slide into recess 8 always.

Device 1 (Fig. 2) comprises many conveyer belt 6a, 6b, 6c and 6d aptly, and these conveyer belts are provided with side by side and in parallel with each other, and its quantity is corresponding with the quantity of die cavity 10, loads so that die cavity is distinguished separately and possibly.

The spike 30 that is used for ground supporting is provided with corresponding wheel 31, and this wheel allows device 1 shift-in and moves apart press 2.

Operation of the present invention is as follows:

Run duration at press 2, travelling carriage 3 is still in the supply station, the upstream of press 2, so that with the material M filling pallet 4 that comes from first hopper 13, and the material N that will come from second hopper 17 is stacked on the top of conveyer belt 6a, 6b, 6c and 6d, and these conveyer belts activated and move.

Since can by the differentiation mode come

filling hopper

13 and 17, can by the movement velocity of regulating conveyer belt 6 come selectively material N to be distributed in arbitrarily carved and the conveyer belt 6 of configuration on and exist dosage cylinder 25, thereby can regulate the supply of material M and N in many ways, so that obtain different decorative effects.

After having closed first and

second hoppers

13 and 17, support 3 advances towards press 2 in operating structure, and then it self is arranged on the position of the most close press in dead ship condition.

In case ceramic tile P compacting finishes, then sun plug 11 rises, and complementary sun plug 9 is moved upwards up to the height of the top surface of former part 7, so that the removal of the molded ceramic tile P that forms.

Then, support 3 moves pallet 4 and conveyer belt 6 is still in the downstream of recess 8 above the sun plug 9 of complementation.

During forward stroke, impeller 27 will be moved apart by press 2 formed ceramic tile P, and brush 28 is removed any material residue after circulation finishes simultaneously.

Complementary sun plug 9 descends, so that form die cavity 10, this die cavity comes filling by the material M that falls from pallet 4; So formed the ground floor material.

Travelling carriage 3 is retraction when making sun plug 11 keep rising, so that the downstream of conveyer belt 6 is arranged on the downstream edge place of die cavity 10.

From this structure, travelling carriage 3 is with controlled and variable speed retraction, and conveyer belt 6 is with variable motion actuation simultaneously; So the material N that piles up thereon progressively is assigned among the die cavity 10, so that form the second layer on the ground floor material that is stacked in previous accumulation.

Then, travelling carriage 3 oneself navigates to again supplies with the station place, and at there, pallet 4 and conveyer belt 6 are prepared for the next round circulation, and sun plug 11 descends simultaneously, so that compacting ceramic tile P.

If auxiliary tray 26 is arranged on the place ahead of conveyer belt 6, then during the backstroke of travelling carriage 3, can pile up the trilaminate material that is stacked on the second layer.

In force, find that foregoing invention has realized set objective and purpose, promptly it has shortened the required time of dual loading of mould, has accelerated the compacting circulation, thereby has improved productivity ratio hourly.

In fact device of the present invention allows can load two-layer or multilayer material to mould in only twice stroke of travelling carriage, loading attachment (pallet, conveyer belt and auxiliary tray) supports by same travelling carriage, and they are moved by travelling carriage rigidity together.

Provide the corresponding conveyer belt that loads usefulness and owing to material can be deposited on the conveyer belt in the mode of distinguishing by each recess, thereby device of the present invention allows also to obtain simultaneously and has the goods of different decorative effects dissimilar for mould.

So the present invention of imagination can have some kinds to improve and modification, and all these improvement and modification all drop within the scope of the principle of the invention.

All details all can be substituted by the parts of other technical equivalence.

In practice, material that is adopted and shape and size all can change along with the difference of demand, thereby the protection domain that should add claim need not be destroyed.

Claims

1. method that is used for material is encased in the mould that press-making ceramic products uses is characterized in that it comprises: material is stacked on the top of at least one motor-driven conveyer belt that the accommodating tray neutralization is arranged on described pallet the place ahead; Described pallet and described conveyer belt are advanced simultaneously, and described conveyer belt is still in the top of described mould, moves described pallet, on the die cavity that is located at described mould, and utilizes gravity to come the described die cavity of filling, thereby forms the ground floor material; Pallet and static conveyer belt are bounced back simultaneously, and conveyer belt is arranged on the downstream edge place of described die cavity; And pallet and conveyer belt are further bounced back, described conveyer belt activated and moves, so that the material that will be deposited on its top is discharged in the die cavity, thereby forms the second layer that is stacked on the described ground floor.

2. device that is used for material is encased in the mould that press-making ceramic products uses, it is characterized in that, it comprises at least one motor-driven conveyer belt (6) that is supporting its upper support the support of the travelling carriage of at least one pallet (4) (3) (T) is arranged and be arranged on described pallet (4) the place ahead, described travelling carriage (3) can be used for material (M, N) supplying to neutralize supply station and being used on the top of described conveyer belt (6) of described pallet (4) loads between the load station of mould (7) and does reciprocating type linear slide motion, in described load station, described pallet (4) is arranged on the die cavity (10) of described mould (7), so that the described die cavity of filling (10), thereby form the first material (M, N) layer, and described conveyer belt (6) is still in the downstream of described die cavity (10), described conveyer belt (6) activated in the retract stroke of described travelling carriage (3) and moves, so that will be deposited in the material (M on the described conveyer belt (6), N) be discharged in the described die cavity (10), so that form the second layer that is stacked on the described ground floor.

3. device as claimed in claim 2 is characterized in that, it comprises mutually side by side and many described conveyer belts (6) that are set parallel to each other that described conveyer belt (6) is suitable for loading the some corresponding interval (10) of described mould (7).

4. as above-mentioned one or the described device of omnibus claims, it is characterized in that, described travelling carriage (3) comprises and is used to hold described material (M, N) auxiliary tray (26), described auxiliary tray (26) is arranged on the place ahead of described at least one conveyer belt (6), and is suitable for discharging in the described retract stroke of travelling carriage (3) trilaminate material that is stacked on the described second layer.

5. as above-mentioned one or the described device of omnibus claims, it is characterized in that described supply station comprises first hopper (13) with controlled openings, the material (M) that described hopper is suitable for predetermined quantity comes the described pallet of filling (4).

6. as above-mentioned one or the described device of omnibus claims, it is characterized in that described first hopper (13) is provided with vibrating device, described vibrating device is convenient to make the material (M) that is contained in wherein to fall in the described pallet (4).

7. as above-mentioned one or the described device of omnibus claims, it is characterized in that described supply station comprises second hopper (17) with controlled openings, described hopper is suitable for material (N) is stacked on the top of described conveyer belt (6).

8. as above-mentioned one or the described device of omnibus claims, it is characterized in that, described second hopper (17) comprises a plurality of inner separators, described separator is suitable for described second hopper is divided into a plurality of independent sectors, so that (N) is assigned to wherein with described material, thereby obtain multicolour effect.

9. as above-mentioned one or the described device of omnibus claims, it is characterized in that, described supply station (13,17) comprise that being used for supporting is close to the support (20) that described second hopper (17) was provided with and was positioned at a plurality of containers (19) of its top, described support is installed into and can slides along the bar (21) that crosses described device setting, and is suitable for described container (19) is arranged in the position of described second hopper (17).

10. as above-mentioned one or the described device of omnibus claims, it is characterized in that described support (20) comprises a plurality of straight longitudinal guide spares (23), the described container (19) that is associated with corresponding actuating device (24) can slide along described guiding piece.

11., it is characterized in that described container (19) has the outlet of sealing by motor-driven dosage cylinder (25) separately in lower area as above-mentioned one or the described device of omnibus claims.