CN103958172A - Device and method for compacting powder material - Google Patents
Device and method for compacting powder material Download PDFInfo
- Publication number
- CN103958172A CN103958172A CN201280060338.5A CN201280060338A CN103958172A CN 103958172 A CN103958172 A CN 103958172A CN 201280060338 A CN201280060338 A CN 201280060338A CN 103958172 A CN103958172 A CN 103958172A
- Authority
- CN
- China
- Prior art keywords
- pressure
- piston
- advance
- material layer
- dusty material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 76
- 239000000843 powder Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims description 9
- 238000003825 pressing Methods 0.000 claims abstract description 63
- 230000005540 biological transmission Effects 0.000 claims description 36
- 238000005096 rolling process Methods 0.000 claims description 30
- 238000005056 compaction Methods 0.000 claims description 26
- 239000012530 fluid Substances 0.000 claims description 25
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000005086 pumping Methods 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 29
- 238000007906 compression Methods 0.000 description 29
- 239000000919 ceramic Substances 0.000 description 6
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- 229910002114 biscuit porcelain Inorganic materials 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 208000002925 dental caries Diseases 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052573 porcelain Inorganic materials 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
- B28B3/123—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material on material in moulds or on moulding surfaces moving continuously underneath or between the rollers, e.g. on an endless belt
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
- B28B5/02—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping on conveyors of the endless-belt or chain type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
- B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
- B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B5/00—Presses characterised by the use of pressing means other than those mentioned in the preceding groups
- B30B5/04—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band
- B30B5/06—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band
- B30B5/065—Presses characterised by the use of pressing means other than those mentioned in the preceding groups wherein the pressing means is in the form of an endless band co-operating with another endless band using anti-friction means for the pressing band
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Press Drives And Press Lines (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Coating Apparatus (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
- Materials For Medical Uses (AREA)
- Producing Shaped Articles From Materials (AREA)
Abstract
A device (100) for compacting a layer (M) of powder material, comprising a slidable transport surface (106) adapted to support and advance the layer (M) of powder material along a predefined direction of advancement (A), a slidable compacting surface (127) flexible and superimposed to the transport surface (106) and substantially slidable in the same direction of advancement (A), pressing means (130, 135) adapted to press said compacting surface (127) towards the transport surface (106) so as to press the layer (M) of powder material interposed therebetween, and means (170, 180, 185) for contrasting the expansion of the layer (M) of powder material downstream of the pressing means (130, 135), which are configured for pressing the compacting surface (127) towards the transport surface (106); with a differentiated pressure in the transverse direction with respect to the direction of advancement (A), said means (170, 180, 185) for contrasting the expansion being independent from the compacting surface.
Description
Technical field
The present invention relates to a kind of device for powder compaction material, relate generally to ceramic tile or porcelain plate forming field.
Background technology
Known tile forming device comprises the transmission surface of sliding, and described slip transmits on surface and carries step by step ceramic powder, to form one deck bisque.Described transmission surface generally by one slidably and fixable conveyer belt form.Described bisque advances through continous way pressing table by transmitting surface, that is, described pressing table is used for, and in the time that described bisque advances gradually on transmission surface, described bisque is compressed.
Described pressing table generally includes 2 flexible pressing surfaces, mutually superposes and all can slide in the same way with transmission surface.Described pressing surface also conventionally respectively by one slidably flexible conveyer belt form.Compress lower surface and be arranged on transmission lower face and be in contact with it, thus it is provided support; Be arranged on transmission specified altitude assignment place, surface and compress upper surface.In presumptive area, pressing surface is guided and is slided between special pressure rolling device, for example, between the roller of a pair of stack, slide, and described roller keeps the compression upper surface at this place to press to compression lower surface, and pressure rolling is positioned at and transmits lip-deep powder bed thus.Described pressing table also comprises 2 parallel side edges conventionally, transmits lip-deep ceramic powders layer, to make the apparent density of powder bed more even on width for restriction from the side during compressing.Described lateral edge can elastic shrinkage, so that can be compacted under the effect of pressing surface.The downstream part of described pressing table, transmits surface and finally makes powder compaction layer by follow-up cutting bed, and described cutting bed is for being divided into powder compaction layer the veneer of required size.
The compaction pressure that the shaped device of the above-mentioned type can provide to powder bed, is limited to relatively low numerical value at present, is about the highest 200 Kg/cm
2, this pressure is not enough to obtain the measured finished product of matter conventionally.Therefore, powder compaction plate is also subject to the second compaction step conventionally, and the normally form of traditional discontinuous mould, to can obtain the compaction pressure of higher and more suitable numerical value, generally includes 250 Kg/cm
2-500 Kg/cm
2between pressure.
This technological deficiency of described conveyer belt shaped device has several the origin causes of formation, one of them is, the downstream of adjacent described pressure rolling device, powder compaction layer tends to expand voluntarily, due to this existence of expanding voluntarily, and the scope of described expansion is generally directly proportional to compaction pressure, and powder bed may break and form crack and/or crackle, make it completely unavailable, or there is critical defect.In order to overcome this defect, at the downstream part of adjacent described pressure rolling device, described pressing table is usually also provided with the device for keeping out the expansion of powder compaction layer.Described function of checking device and have " following " expansion, even it slows down, thereby prevents the formation of crack in powder compaction layer and/or crackle.
Can comprise a pair of overlapping plate for the device of keeping out expansion, pressing surface is guided and is passed through between the described plate in the downstream at pressure rolling device.Described plate has to maintain and compresses upper surface and press to and compress the function of lower surface, the pressure that makes thus powder compaction layer be subject to keeping out expansion, the compaction pressure that described pressure applies lower than described pressure rolling device.Especially, the upper plate in described a pair of plate can tilt a little, and the reaction pressure generating thus reduces away from pressure rolling device gradually along with powder bed advances.In a kind of mode of texturing of this scheme, described upper plate is replaced with to flexible board, described flexible board is supported by row's jack, and described jack is adjoining arrangement in a lateral direction mutually with respect to conveyer belt direction of advance.More specifically, each jack comprises a cylinder, and described cylinder is located in fixing support body, and a piston activity being therein fixed on described flexible board.A kind of fluid under pressure, is generally oil, is delivered in described cylinder, and described piston keeps described flexible board to press to described compression upper surface thus.Especially, described fluid is conveyed in described cylinder by single flow tube, and each piston is always subject to uniform pressure thus.Thus, described flexible board roughly serves as balanced buffering, applies constant and balanced pressure to the compression upper surface of being located at below.The solution of the type has complete description in European patent EP 1585620, should be quoted this patent.
Although this scheme has obtained good result, according to observations, it is always not uniform on the width of powder bed that above-mentioned flexible board is kept out the effect of expansion.Especially, according to observations, the expansion Gai Ceng center of described powder is more effectively kept out than lateral edge, therefore, causes still may having harmful crack and/or crackle along described lateral edge.This phenomenon may be because there is the lateral edge that contains powder bed, there is different deformation coefficients from ceramic powder, keeping out of the thrust of thus described flexible board being sent is also different, and thus, the actual pressure of keeping out that is delivered to powder bed is also non-constant on width.File WO 02/076715 has proposed a solution of above-mentioned defect, and this file belongs to the field that produces wood chip panel.
This file discloses a kind of for producing continuously the biobelt pressure rolling device of thin slice, comprises 2 metal tapes of rotation on a vertical plane; Every described metal tape is supported by Rigid Plates Under Compression, and one of described metal tape moves on another, and described at least one, pressing plate is subject to the effect of at least one group of pressure rolling device; Described pressure rolling device is arranged in a row in a lateral direction adjacent to each other the direction of motion with respect to described band, has the described pressure rolling device of number row to be arranged in parallel within described pressing plate below in the direction of motion of described band, and pressure rolling device in every row is separate.Described pressure rolling device comprises a kind of device, and described device makes pressing plate described at least one, with the transverse plane of described tape running direction orthogonal plane on, be subject to optionally bending moment.
Described device is not also proved and is applicable to, and when poor with respect to being under pressure in a lateral direction of described direction of advance, keeps out the expansion of powder bed after compressing at powder.
Summary of the invention
One of object of the present invention, is by a kind of simple, reasonable and cheap scheme, overcomes or at least effectively alleviates described defect of the prior art.
Described object is reached by feature of the present invention illustrated in independent claims.Dependent claims has been summarized preferred and/or useful especially aspect of the present invention.
Especially, the invention provides a kind of device for powder compaction material layer, comprising: slide and transmit surface, for supporting described powder compaction material layer and it being advanced along predetermined direction of advance; Slip pressing surface, described slip pressing surface is flexible, is superimposed on described transmission surface, and slides substantially in the same way with described direction of advance; Pressure rolling device, for described pressing surface being pressed to described transmission surface, to push the described dusty material layer inserting between two described surfaces; And for keep out the device of described dusty material layer expansion in the downstream of described pressure rolling device; The described device of keeping out presses to described transmission surface with the pressure differential of the horizontal direction along with respect to described direction of advance by described pressing surface.
Therefore, preferably, to described pressure of keeping out device and be applied to described pressing surface edge, be different from it and be applied to the adjusting of the pressure at center, its object is effectively to keep out along side the expansion of described dusty material layer.Especially, preferably, the described device applied pressure of keeping out is regulated, to ensure that actual transfer keeps out pressure substantially constant on the whole width of described layer to described dusty material layer.
In one aspect of the invention, described transmission surface and described pressing surface are respectively made up of separately a slip conveyer belt.
In another aspect of the present invention, described in keep out device and comprise at least 1 row's piston, described piston is superimposed upon on described pressing surface, and mutually adjoins in a lateral direction arrangement described with respect to described direction of advance; Each described piston is contained in accommodating cavity separately slidably, described accommodating cavity is located in support body, and be communicated with delivery system, described delivery system is for delivery of pressure fluid, described piston is pushed be located to the described pressing surface of below, described delivery system is for regulating the fluid pressure in the described accommodating cavity of the each piston of described row, and described adjusting is independent of the fluid pressure in the described accommodating cavity of other pistons in described row.
In described scheme, preferably, the thrust that can apply each piston of dividing on pressing surface, is independent of the adjusting of these other pistons of row.For example, can regulate described pressure, thereby apply compared with low thrust and apply higher thrust in its lateral edge at the center of described pressing surface.Especially, the thrust that can select described piston to apply, thus, whether no matter edge is kept out in side exists, and described pressing surface is actual can, along the whole width of described dusty material layer, be transmitted identical expansion to dusty material and keep out pressure.
In order to make this effect effective especially, in one aspect of the present invention, at least 3 pistons are drawn together in described piston package.
In still another aspect of the invention, the each piston fundamental form of this row is like plate, and described piston is placed in accommodating cavity separately, for sliding on its thickness direction.
The beneficial effect of the described special configuration of piston is, each piston applied pressure is more even and basis equalization on the whole.
In still another aspect of the invention, be positioned at the single each edge dusty material of keeping out described dusty material layer for side direction that is superimposed upon of piston of described row's end.
Therefore, above-mentioned end piston can more effectively be worked at the edge of dusty material.
In another aspect of the present invention, describedly also comprise flexible board for the device of keeping out expansion, it is upper that described flexible board is fixed on described piston row, inserts thus between the latter and pressing surface.
The existence of this flexible board, making to cover piston, to put on pressure on pressing surface more even.
In one aspect of the present invention, the delivery system of described pressure fluid comprises multiple pumps, and each described pump is for pumping into fluid in described piston row's the accommodating cavity of each piston.
The very simple scheme of one has been summarized in this aspect of the present invention, regulates independently fluid pressure for allowing at different accommodating cavitys.
In another aspect of the present invention, the delivery system of described pressure fluid can also comprise multiple pressure-regulating valves, and each described pressure-regulating valve is along connecting pipe setting, described in each pump of described row and corresponding piston between accommodating cavity.
Thus, can make the pressure in each accommodating cavity regulate more accurate and stable.
In another aspect of the present invention, the delivery system of described pressure fluid also comprises multiple pressure sensors, and each described pressure sensor is communicated with respectively with the accommodating cavity of each piston of described row.
Thus, can often control for operating personnel and/or the system of controlling described delivery system the stress level that is delivered to each piston.
Get back to hold down gag, more general, in one aspect of the present invention, described in keep out expansion device can comprise many rows pistons as above, described piston is arranged along the surperficial direction of advance continuous arrangement of described transmission.Thus, described in keep out device and substantially comprise a piston grid or array, transversely arranged along the surperficial direction of advance of described transmission and its, increase and greatly improve the controllability of dusty material layer expansion.
In addition, the present invention also provides a kind of method of powder compaction material layer, comprises the following steps:
Transmit surface by slip, make dusty material layer advance along predetermined direction of advance;
Advance in process at described dusty material layer, described dusty material layer (M) is compressed with slip pressing surface and pressure rolling device; Described slip pressing surface is flexible, is superimposed upon described transmission surface upper, and slides substantially in the same way with described direction of advance; Described pressure rolling device is for pressing to described pressing surface on described transmission surface;
During to described pressure rolling device downstream advance, keep out the expansion of described dusty material layer at described dusty material layer; Wherein, described in, keeping out step is: along the horizontal direction with respect to described direction of advance, with pressure differential, described pressing surface is pressed to described transmission surface.
This embodiment of the present invention has realized the identical beneficial effect of aforementioned means substantially,, keeps out more efficiently the expansion of dusty material layer along side that is.
In an aspect of this embodiment, described pressure differential is regulated, and with the horizontal direction along with respect to described direction of advance, applies constant pressure to described dusty material layer.
Preferably, can obtain homogeneous powder compaction material layer.
Brief description of the drawings
By reading the non-limiting embodiment in following description, and indicated figure by reference to the accompanying drawings, can clearly understand other features of the present invention and beneficial effect.
Fig. 1 is a kind of schematic side view of the device for powder compaction material layer.
Fig. 2 is that Fig. 1 amplifies yardstick view along the cross section of II-II.
Fig. 3 is the small scale view of Fig. 2 along the cross section of III-III.
Fig. 4 is in a kind of mode of texturing of the present invention, the sectional view of Fig. 3.
Fig. 5 is the schematic diagram of a kind of pressure fluid supply system relevant to device in Fig. 1.
Detailed description of the invention
Described accompanying drawing has been shown a kind of device 100, and for powder compaction material layer M, typically, described dusty material is the ceramic powder in a kind of ceramic tile or porcelain plate forming method.
Described device 100 comprises flexible conveyer belt 105, and described conveyer belt is similar to closed endless belt, is wrapped in around multiple transverse axis roller bearings 110, and described roller bearing comprises a series of idle running reversion roller bearings and at least 1 roller bearing that motor drives, for driving described conveyer belt 105 to slide.Described conveyer belt 105 can be made up of plastic material, safeguards to have low cost, low dirty degree and shirtsleeve operation.The top of described conveyer belt 105 is roughly level, forms and slidably transmits surface 106, for supporting dusty material layer M, and it is advanced to predetermined direction of advance A.
Described dusty material layer M advances from described transmission surface 106, and by continous way pressing table 115, described pressing table is for progressively compressing it in the described dusty material layer M process of advancing.Described pressing table 115 comprises 2 flexible holddown belts of stack mutually, comprises bottom holddown belt 120 and top holddown belt 125.Two holddown belts 120 and 125 can be made with plastic material, safeguard to have low cost, low dirty degree and shirtsleeve operation.
Described bottom holddown belt 120 shapes, like closed endless belt, are being wound around a pair of horizontal roller bearing 121, and described roller bearing comprises that 1 idle running reversion roller bearing and 1 motor drive roller bearing, for driving described holddown belt 120 to slide.Described top holddown belt 120 is level substantially, forms slidably pressing surface 122, and described pressing surface 122 is arranged on surperficial 106 belows of described transmission and is in direct contact with it, and described transmission surface is layered on described pressing surface and supported by it thus.Described pressing surface 122 is further activated and slides in the same way with direction of advance A, and roughly identical with surperficial 106 speed of described transmission, prevents thus phase mutual friction.
Top holddown belt 125 also shape, like closed endless belt, is being wound around a pair of horizontal roller bearing 126, and described roller bearing comprises that 1 idle running reversion roller bearing and 1 motor drive roller bearing, for driving described holddown belt 125 to slide.Described bottom holddown belt 125 is level substantially, forms slidably pressing surface 127, and described pressing surface 127 is arranged on surperficial 106 tops of described transmission and is spaced from, and leaves thus space and passes through for dusty material layer M.Described pressing surface 127 is activated and slides substantially in the same way with direction of advance A, and roughly identical with surperficial 106 speed of described transmission, prevents thus and the mutual friction of dusty material layer M phase.
Described pressing table 115 further comprises special pressure rolling device, presses to described transmission surface 106 for maintaining herein described compression upper surface 127, compresses thus the dusty material layer M inserting between the two.In the diagram of embodiment, described pressure rolling device comprises the pressure roller of a pair of mutual stack, comprising the upper pressure roller 135 of 130 and 1 of 1 lower compression roller, its axis of rolling with respect to direction of advance A in horizontal and vertical direction.Described lower compression roller 130 is arranged on described compression lower surface 122 belows and is in direct contact with it, and it arranges the flatness that highly can maintain described transmission surface 106.135 of described upper pressure rollers are arranged on described compression upper surface 127 tops and are in direct contact with it, and its positioning height is convenient to make described compression upper surface 127 close towards affiliated transmission surface 106 herein, so that reduce the thickness in the space forming, powder compaction material layer M thus between the two.The described hard-wired while of lower compression roller 130, described upper pressure roller 135 is also loaded on jack 136, described jack allows its height of amendment, described height is its distance with respect to described lower compression roller 130, for example, on the thickness that, need compress as dusty material layer M and/or dusty material layer M, need the function of the compaction pressure applying.
In order to make the compression of described dusty material layer M progressive more gently, described pressure rolling device can also comprise the roller unit of a pair of mutual stack, comprising upper roll unit 145,140 and 1 of 1 lower rollers unit, described roller unit is positioned at the upstream of described pressure roller 130 and 135 with respect to described direction of advance A.Roller unit 140 and 145 both comprises that turning cylinder is level and vertical roller with respect to described direction of advance A.The roller of described lower rollers unit 140 is arranged on the below of described compression lower surface 122 and is in contact with it, and described roller is arranged in the plane parallel with described direction of advance A, and its positioning height is convenient to maintain the described flatness that transmits surface 106.The roller of described upper roll unit 145 is arranged on the top of described compression upper surface 127 and is in contact with it, described roller is arranged on described direction of advance A and forms in the plane of upper lower inclined plane, and its positioning height is convenient to make described compression upper surface 127 progressively close towards described transmission surface 106, to progressively reduce the thickness in the space forming between the two, powder compaction material layer M gradually thus.In order to improve the compression uniformity of described dusty material on the width of described layer M, described pressing table 115 also comprises the device of keeping out from the side dusty material.In illustrated embodiment, described in keep out device and comprise pair of sliding conveyer belt, be respectively 150 and 155, described slip conveyer belt is all positioned at described conveyer belt 105 tops.Every described slip conveyer belt 150 and 155 is all flexible, and is similar to closed endless belt, is wrapped in respectively on multiple horizontal roller bearings 160, and described roller bearing comprises a series of idle running reversion roller bearings and may comprise that 1 motor drives roller bearing, and it allows described conveyer belt to slide.Especially, the configuration of described slip conveyer belt 150 and 155 and driving can be slided in the same way with described direction of advance A the bottom of each conveyer belt basic horizontal, and basic identical with surperficial 106 speed of described transmission.As shown in Figure 2, the bottom of described slip conveyer belt 150 and 155 all leans against on described transmission surface 106, be inserted between the latter and described compression upper surface 127, form thus 2 parallel and edges 151 and 156 spaced apart from each other, described edge is for keeping out from the side dusty material layer M in compression.Described slip conveyer belt 150 and 155 is made with the high material of thickness direction contractibility, for example make with rubber or other plastic materials, with keep out described in making edge 151 and 156 thus can be between described pressing surface 122 and 127 elastic compression.
Be close to the downstream of described pressure rolling device, described pressing table 115 is also provided with the device for keeping out the expansion that dusty material layer M naturally face after compaction step.More specifically, described in keep out device and have " following " dusty material expansion function, that is, limit and/or slow down its degree of expansion, prevent that thus described layer M from forming crack and/or crackle after compression.
As shown in Figure 2, comprise lower plate 165 for the described device that resists expansion, described lower plate is positioned at described compression lower surface 122 belows and is in direct contact with it.Described lower plate 165 is level substantially, and its positioning height is convenient to keep the described flatness that transmits surface 106.The described device of keeping out further comprises upper plate 170, and described upper plate is superimposed upon in described lower plate 165, and is positioned at described compression upper surface 127 tops.Described lower plate 165 is fixed, but described upper plate 170 supports by fluid pressure type jack 175, and described fluid pressure type jack allows itself and the described variation that transmits distance between surface 106, and for example, this distance can be the function as dusty material layer M thickness.In addition, as seen from the figure, described upper plate 170 can shake with respect to described jack 175, to can tilt with respect to described transmission surface 106.Described upper plate 170 is loaded with one and drains into few 3 pistons 180, and described piston is horizontal arranged with respect to the direction of advance A on described transmission surface 106.The each piston 180 of this row is set to be similar to thin plate and basic horizontal; In the case, from plane, it is square (Fig. 3).In embodiment as shown in the figure, the width of center piston 180 is wider than the piston 180 that is arranged on this row end, and 180, the piston that is arranged on this row end is preferably mutually and is equal to.The size of described end piston 180 and position be arranged so that described end piston 180 exceeds respectively and respectively keep out edge 151 and 156 by single, and the size of described center piston 180 and position are set to only exceed dusty material layer M.This row's piston 180 is loaded with the flexible board 185 of basic horizontal, and described flexible board is arranged on the top of described compression upper surface 127 and is in direct contact with it.The location of described flexible board 185 and be preferably dimensioned to be and exceed dusty material layer M and edge 151 and 156 is kept out in side.Described flexible board 185 can be made with plastic material, and by the conventional lower surface that tightens up means and be fixed on described piston 180 not showing.
More specifically, the each piston 180 of this row is placed in respectively in the each cavity 190 in upper plate 170, and described piston can, along its thickness direction,, in substantially vertical direction, be free to slide in described cavity.As shown in Figure 5, accommodating cavity 190 is communicated with system 200, and described system 200, for delivery of pressure fluid, is generally oil, makes thus the fluid pressure in described accommodating cavity 90 promote corresponding piston 180 downwards, promotes thus below flexible board 185 downwards.Thus, described flexible board 185 keeps compression upper surface 127 to press to the top of conveyer belt 105, makes dusty material layer M be under pressure to keep out expansion.In general, this is kept out pressure and can, lower than 130 and 135 applied pressures of pressure roller, so that described dusty material still can be expanded, but can in dusty material layer M, not form crack or crackle.
In order to allow dusty material layer M to obtain the maximum uniformity of width in expansion, described delivery system 200 comprises the device that allows to be independent of other cavitys in each accommodating cavity 190 and regulate fluid pressure.In embodiment shown in the figure, described device comprises 3 independent operation unit 205, and each described unit is for entering accommodating cavity 190 separately from groove 210 withdrawn fluid and by its pressurized delivered.Especially, each operating unit 205 comprises: pump 215, and described pump is communicated with described groove 210 by input channel 220, and is communicated with by the accommodating cavity 190 of conveyance conduit 225 and each; Pressure-regulating valve 230, described valve arranges along described conveyance conduit 225; And pressure sensor 235, described sensor is positioned on same conveyance conduit 225 and the downstream of described pressure-regulating valve 230.The further connecting electronic control module 240 of each operating unit 205, described electronic control unit is encoded for controlling the operation of described pump 215 and/or pressure-regulating valve 230, so that ensure that the fluid pressure in each accommodating cavity 190 has the predetermined value that is independent of other cavitys.Especially, described electronic control unit 240 is encoded, with by described piston 180 for by described flexible board 185, poor with the transverse pressure with respect to described direction of advance A, push described compression upper surface 127.For example, can control the described piston 180 that is arranged on this row's end and apply a thrust different from the application of force of center piston 180 (top) to compressing upper surface 127, thereby, the action of keeping out of dividing into restriction edge, side 151 and 156 regardless of it, makes to be subject to the keep out pressure same with dusty material in center in the dusty material of bisque M side.
In Fig. 4, shown a kind of form of distortion of the present invention, wherein, upper plate 170 is loaded with many row's pistons 180, and described many row's pistons, along the direction of advance A continuous arrangement of feed surface 106, form a kind of piston 180 arrays/grid.Every row's piston 180 in described array/grid is same with aforementioned complete class, and is associated with on a fluid delivery system 200 roughly the same.Can on the every row's piston 180 in described array/grid, fix a flexible board 185, or fix a larger-size single flexible board 185 on all pistons 180 of described array/grid.In this scheme, can control the every row's piston 180 in described array/grid, keep out pressure to make dusty material layer M be subject to difference, for example, that on described direction of advance A, reduces gradually keeps out pressure, to make described powder expand more steadily and slowly.
Obviously, to those skilled in the art, above-mentioned hold down gag 100 can carry out many technology-application enhancements, and can not depart from the protection domain of the present invention in following claim.
Description of reference numerals
100 hold down gags
105 conveyer belts
106 transmit surface
110 roller bearings
115 compression stations
120 bottom holddown belts
121 rollers
122 compress lower surface
125 top holddown belts
126 rollers
127 compress upper surface
130 lower compression rollers
Pressure roller on 135
136 jack
140 times roller units
Roller unit on 145
150 conveyer belts
151 edges
155 conveyer belts
156 edges
160 roller bearings
165 lower plates
170 upper plates
175 jack
180 pistons
185 flexible boards
190 accommodating cavitys
200 delivery systems
205 operating units
210 grooves
215 pumps
220 input channels
225 conveyance conduits
230 pressure-regulating valves
235 pressure sensors
240 electronic control units
A direction of advance
M dusty material layer
Claims (13)
1. the hold down gag for powder compaction material layer (M) (100), comprising:
Slide and transmit surface (106), for supporting dusty material layer (M) and it being advanced along predetermined direction of advance (A);
Slip pressing surface (127), described slip pressing surface (127) is flexible, is superimposed on described transmission surface (106) upper, and can be along sliding with the essentially identical direction of described direction of advance (A);
Pressure rolling device (130,135), for described pressing surface (127) being pressed to described transmission surface (106), is inserted in pressing surface and transmits the described dusty material layer (M) between surface to push; And
Keep out device (170,180,185), for keep out the expansion of described dusty material layer (M) in the downstream of described pressure rolling device;
It is characterized in that, described in keep out device (170,180,185) and be independent of described pressure rolling device, and with the pressure differential of the horizontal direction along with respect to described direction of advance (A), described pressing surface (127) is pressed to described transmissions surperficial (106).
2. hold down gag according to claim 1, is characterized in that, described transmission surface (106) and described pressing surface (127) are respectively made up of separately a slip conveyer belt (105,125).
3. hold down gag according to claim 1 and 2, is characterized in that, described in keep out device and comprise at least 1 row's piston (180), it is upper that described piston is superimposed upon described pressing surface (127), and transversely mutually adjoin arrangement in described direction of advance (A), each described piston is contained in accommodating cavity (190) separately slidably, described accommodating cavity is located in support body (170), and be communicated with system (200), described system (200) is for delivery of pressure fluid, described piston (180) is pushed be located to the described pressing surface (127) of below, described delivery system (200) is for regulating the fluid pressure in the described accommodating cavity (190) of the each piston of described row (180), adjusting to the fluid pressure in the described accommodating cavity (190) of other pistons (180) in described row is separate.
4. hold down gag according to claim 3 (100), is characterized in that, at least 3 pistons (180) are drawn together in described piston (180) package.
5. according to the hold down gag described in claim 3 or 4 (100), it is characterized in that, each piston (180) shape in described row is tabular substantially, and described piston (180) is contained in each cavity (190), to slide on its thickness direction.
6. according to the hold down gag (100) described in any one in claim 3-5, it is characterized in that, be positioned at the single each edge (151,156) of keeping out described dusty material layer (M) for side direction that is superimposed upon of the piston (180) of described row's end and locate dusty material.
7. according to the hold down gag (100) described in any one in claim 3-6, it is characterized in that, the described device of keeping out further comprises flexible board (185), and described flexible board (185) is fixed on described row's piston (180), to insert between the latter and described pressing surface (127).
8. according to the hold down gag (100) described in any one in claim 3-7, it is characterized in that, described system (200) for delivery of pressure fluid comprises multiple pumps (215), and each described pump is for pumping into fluid the described accommodating cavity (190) of each piston (180) of described row.
9. hold down gag according to claim 8 (100), it is characterized in that, described system (200) for delivery of pressure fluid comprises multiple pressure-regulating valves (230), each described valve (230) arranges along connecting pipe (225), and is positioned between described row's the described accommodating cavity (190) and corresponding described pump (215) of each piston (180).
10. hold down gag (100) according to claim 8 or claim 9, it is characterized in that, described delivery system (200) further comprises multiple pressure sensors (235), and each described pressure sensor (235) is communicated with the accommodating cavity (190) of each piston (180) of described row.
11. according to the hold down gag (100) described in any one in claim 3-10, it is characterized in that, described in keep out device and comprise the described pistons of many rows (180), described piston (180) row is along described direction of advance (A) continuous arrangement that transmits surface (106).
The method of 12. 1 kinds of powder compaction material layers (M), comprises the following steps:
Transmit surface (106) by slip, make dusty material layer (M) advance along predetermined direction of advance (A);
Advance in process at described dusty material layer (M), described dusty material layer (M) is compressed with slip pressing surface (127) and pressure rolling device (130,135); Described slip pressing surface (127) is flexible, is superimposed upon described transmission surface (106) upper, and slides substantially in the same way with described direction of advance (A); Described pressure rolling device (130,135) is for pressing to described pressing surface (127) on described transmission surface (106);
During to described pressure rolling device (130,135) downstream advance, keep out the expansion of described dusty material layer (M) at described dusty material layer (M);
It is characterized in that, described in keep out step utilization and be independent of the device of described pressure rolling device, with the pressure differential of the horizontal direction along with respect to described direction of advance (A), described pressing surface (127) is pressed to described transmissions surperficial (106).
13. according to method described in claim 12, it is characterized in that, described pressure differential is regulated, to be applied to the constant pressure in a lateral direction with respect to described direction of advance (A) to described dusty material layer (M).
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT000079A ITRE20110079A1 (en) | 2011-10-07 | 2011-10-07 | DEVICE FOR THE COMPACTION OF MATERIAL POWDER |
| ITRE2011A000079 | 2011-10-07 | ||
| PCT/IB2012/001977 WO2013050865A1 (en) | 2011-10-07 | 2012-10-02 | Device and method for compacting powder material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103958172A true CN103958172A (en) | 2014-07-30 |
| CN103958172B CN103958172B (en) | 2016-07-06 |
Family
ID=45370649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280060338.5A Active CN103958172B (en) | 2011-10-07 | 2012-10-02 | Apparatus and method for powder compaction material |
Country Status (10)
| Country | Link |
|---|---|
| EP (1) | EP2763845B1 (en) |
| CN (1) | CN103958172B (en) |
| BR (1) | BR112014008113B1 (en) |
| ES (1) | ES2625611T3 (en) |
| IT (1) | ITRE20110079A1 (en) |
| MX (1) | MX349328B (en) |
| PL (1) | PL2763845T3 (en) |
| PT (1) | PT2763845T (en) |
| RU (1) | RU2606142C2 (en) |
| WO (1) | WO2013050865A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922617A (en) * | 2016-04-28 | 2016-09-07 | 中国农业大学 | High-moisture forage grass and straw dewatering device |
| CN109262808A (en) * | 2018-11-02 | 2019-01-25 | 佛山市三水区广顺自动化设备有限公司 | A kind of hydraulic preformer of roll-type and fabric production line |
| CN109689348A (en) * | 2016-09-12 | 2019-04-26 | 萨克米伊莫拉机械合作社合作公司 | For being compacted the device of the especially dusty material of ceramic material |
| WO2020078062A1 (en) * | 2018-10-15 | 2020-04-23 | 广东科达洁能股份有限公司 | Fully-automatic lifting roller press |
| CN113634312A (en) * | 2021-08-18 | 2021-11-12 | 科达制造股份有限公司 | Ceramic rolling equipment |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20160504A1 (en) | 2016-01-15 | 2017-07-15 | System Spa | FORMAT COMPENSATOR FOR A PRESSING DEVICE |
| ITUA20164307A1 (en) * | 2016-06-13 | 2017-12-13 | Sacmi | MACHINE AND METHOD FOR THE COMPACTION OF CERAMIC POWDER |
| IT201600093579A1 (en) | 2016-09-16 | 2018-03-16 | Sacmi | METHOD AND APPARATUS FOR FORMING COMPACT POWDER DUTIES |
| IT201600105117A1 (en) * | 2016-10-19 | 2018-04-19 | Sacmi | MACHINE FOR THE COMPACTION OF MATERIAL POWDER |
| IT201800006678A1 (en) * | 2018-06-26 | 2019-12-26 | METHOD AND PLANT FOR THE REALIZATION OF CERAMIC PRODUCTS | |
| CN112654479B (en) * | 2018-09-07 | 2022-09-27 | 萨克米伊莫拉机械合作社合作公司 | Machine and method for compacting powder material |
| EP3852991B1 (en) * | 2018-09-21 | 2022-12-21 | Sacmi Cooperativa Meccanici Imola Societa' Cooperativa | Machine and method for compacting powder material |
| IT202000023845A1 (en) * | 2020-10-09 | 2022-04-09 | Technoplants S R L | FURNACE-PRESS OF INCONSISTENT MATERIAL |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991149A (en) * | 1974-10-03 | 1976-11-09 | Steven Hurwitt | Method for controlling the thickness of ceramic tape |
| CN87107597A (en) * | 1987-05-22 | 1988-12-14 | 松下住宅产业株式会社 | The production method of porous ceramic plate |
| CN1112048A (en) * | 1994-02-19 | 1995-11-22 | J·迪芬巴赫机器制造有限公司 | Pressing/heating plate of continous working pressing machine for producing wood bits plate or fibre plate etc. |
| CN1121697A (en) * | 1993-04-29 | 1996-05-01 | 赤土技术有限公司 | Improvements in a roof tile making machine |
| CN1173154A (en) * | 1994-11-22 | 1998-02-11 | 卡洛·安东尼奥·卡莫拉尼 | A method for compacting powders and apparatus thereof |
| CN1250411A (en) * | 1997-03-14 | 2000-04-12 | 卡瓦尔尼控制台***有限公司 | Device for continuous production of plate-shaped products |
| WO2002076715A1 (en) * | 2001-03-23 | 2002-10-03 | Metso Paper, Inc. | Double band press |
| CN1738705A (en) * | 2003-01-20 | 2006-02-22 | 萨克米伊莫拉机械合作社合作公司 | Method and plant for forming ceramic slabs or tiles |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2355797C3 (en) * | 1973-11-08 | 1981-04-16 | Küsters, Eduard, 4150 Krefeld | Press for exerting a surface pressure |
| SU575229A1 (en) * | 1976-06-17 | 1977-10-05 | Всесоюзный Научно-Исследовательский Институт Деревообрабатывающей Промышленности Вниидрев | Band press for pressing wooden boards |
| SU869969A1 (en) * | 1979-12-10 | 1981-10-07 | Предприятие П/Я А-7697 | Apparatus for continuous moulding of metallic powder |
-
2011
- 2011-10-07 IT IT000079A patent/ITRE20110079A1/en unknown
-
2012
- 2012-10-02 BR BR112014008113-1A patent/BR112014008113B1/en active IP Right Grant
- 2012-10-02 MX MX2014004094A patent/MX349328B/en active IP Right Grant
- 2012-10-02 ES ES12772426.8T patent/ES2625611T3/en active Active
- 2012-10-02 PL PL12772426T patent/PL2763845T3/en unknown
- 2012-10-02 CN CN201280060338.5A patent/CN103958172B/en active Active
- 2012-10-02 PT PT127724268T patent/PT2763845T/en unknown
- 2012-10-02 EP EP12772426.8A patent/EP2763845B1/en active Active
- 2012-10-02 WO PCT/IB2012/001977 patent/WO2013050865A1/en active Application Filing
- 2012-10-02 RU RU2014112559A patent/RU2606142C2/en active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3991149A (en) * | 1974-10-03 | 1976-11-09 | Steven Hurwitt | Method for controlling the thickness of ceramic tape |
| CN87107597A (en) * | 1987-05-22 | 1988-12-14 | 松下住宅产业株式会社 | The production method of porous ceramic plate |
| CN1121697A (en) * | 1993-04-29 | 1996-05-01 | 赤土技术有限公司 | Improvements in a roof tile making machine |
| CN1112048A (en) * | 1994-02-19 | 1995-11-22 | J·迪芬巴赫机器制造有限公司 | Pressing/heating plate of continous working pressing machine for producing wood bits plate or fibre plate etc. |
| CN1173154A (en) * | 1994-11-22 | 1998-02-11 | 卡洛·安东尼奥·卡莫拉尼 | A method for compacting powders and apparatus thereof |
| CN1250411A (en) * | 1997-03-14 | 2000-04-12 | 卡瓦尔尼控制台***有限公司 | Device for continuous production of plate-shaped products |
| WO2002076715A1 (en) * | 2001-03-23 | 2002-10-03 | Metso Paper, Inc. | Double band press |
| CN1738705A (en) * | 2003-01-20 | 2006-02-22 | 萨克米伊莫拉机械合作社合作公司 | Method and plant for forming ceramic slabs or tiles |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105922617A (en) * | 2016-04-28 | 2016-09-07 | 中国农业大学 | High-moisture forage grass and straw dewatering device |
| CN109689348A (en) * | 2016-09-12 | 2019-04-26 | 萨克米伊莫拉机械合作社合作公司 | For being compacted the device of the especially dusty material of ceramic material |
| WO2020078062A1 (en) * | 2018-10-15 | 2020-04-23 | 广东科达洁能股份有限公司 | Fully-automatic lifting roller press |
| CN109262808A (en) * | 2018-11-02 | 2019-01-25 | 佛山市三水区广顺自动化设备有限公司 | A kind of hydraulic preformer of roll-type and fabric production line |
| CN109262808B (en) * | 2018-11-02 | 2024-01-09 | 佛山市三水区广顺自动化设备有限公司 | Roller type hydraulic preformer and cloth production line |
| CN113634312A (en) * | 2021-08-18 | 2021-11-12 | 科达制造股份有限公司 | Ceramic rolling equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| PT2763845T (en) | 2017-05-24 |
| MX2014004094A (en) | 2014-10-17 |
| BR112014008113A2 (en) | 2017-04-11 |
| ES2625611T3 (en) | 2017-07-20 |
| EP2763845B1 (en) | 2017-03-22 |
| PL2763845T3 (en) | 2017-09-29 |
| WO2013050865A1 (en) | 2013-04-11 |
| RU2014112559A (en) | 2015-11-20 |
| CN103958172B (en) | 2016-07-06 |
| BR112014008113B1 (en) | 2021-11-30 |
| EP2763845A1 (en) | 2014-08-13 |
| RU2606142C2 (en) | 2017-01-10 |
| ITRE20110079A1 (en) | 2013-04-08 |
| MX349328B (en) | 2017-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103958172B (en) | Apparatus and method for powder compaction material | |
| CN1785632B (en) | Improved plant for forming ceramic tiles or slabs | |
| CN104827679A (en) | Rubber bearing rubber sheet preforming production line and production method | |
| CN204566713U (en) | Rubber support sheet rubber preformed production line | |
| ITMI20131708A1 (en) | APPARATUS FOR FORMING CERAMIC SLABS | |
| CN1332796C (en) | Method and equipment for producing vitrolite or ceramic tile | |
| FI67509C (en) | KONTINUERLIGT ARBETANDE SKIVPRESS | |
| CN1738705B (en) | Method and plant for forming ceramic slabs or tiles | |
| EP3852991B1 (en) | Machine and method for compacting powder material | |
| CN101658938B (en) | Power laying machine for laying powder on steel belt | |
| CN202742441U (en) | Cold punching device | |
| CN106670559B (en) | Without tracking power movable plate shearing machine | |
| CN109689348A (en) | For being compacted the device of the especially dusty material of ceramic material | |
| CN213259882U (en) | Cotton high-efficient cross cutting machine of dustproof bubble of LED | |
| CN206241116U (en) | A kind of punch press steel belt automatic feeder | |
| JP5073219B2 (en) | Fabric rounding method and apparatus | |
| US11938652B2 (en) | Plant and method for the production of slabs made of composite stone material from a mix | |
| CN103561892A (en) | Powder rolling mill | |
| CN106424414A (en) | Automatic steel belt feeding machine for punching machine | |
| EP3623130A1 (en) | Machine and method for compacting a powder material | |
| CN109159245A (en) | Slab precompressed machine control system | |
| CN103568072A (en) | Cold stamping device | |
| DK200400403A (en) | A method for controlling a rotary tablet press and such a press | |
| ITMI20120614A1 (en) | APPARATUS FOR FORMING CRUDE CERAMIC SHEETS OF LARGE SIZE |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |