CN87104060A - Extrusion die - Google Patents
Extrusion die Download PDFInfo
- Publication number
- CN87104060A CN87104060A CN 87104060 CN87104060A CN87104060A CN 87104060 A CN87104060 A CN 87104060A CN 87104060 CN87104060 CN 87104060 CN 87104060 A CN87104060 A CN 87104060A CN 87104060 A CN87104060 A CN 87104060A
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- China
- Prior art keywords
- support plate
- fuse
- mould
- extrusion
- fuse support
- 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.)
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Classifications
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- 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
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/26—Extrusion dies
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- 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
- B28B3/20—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein the material is extruded
- B28B3/206—Forcing the material through screens or slots
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D4/00—Spinnerette packs; Cleaning thereof
- D01D4/02—Spinnerettes
Abstract
The pressing method of a kind of extrusion die and extrusion.The extrusion that is specially adapted to utilize ceramic paste material and has small size and tight narrow spatial channel.The district that enters across mould housing is provided with a fuse support plate, and many flexible members are extended by the discharge area of this plate towards housing.The area of section of flexible member is at least away from the end of support plate, be complementary with extrusion access desired sectional dimension, and support plate has some passages of sending into, and this passage is as being extruded the runner that material flows to the support plate downstream.Flexible member makes it be desired position at the mould discharge area with the streamline of extrded material in extrusion process.
Description
The present invention relates to a kind of extrusion die, more specifically to a kind of mould structure form that has the extruded product of many through channel on the production total length within it that is applicable to.
The mould that is used to produce this class extruded product before this has many rigidity core bars and extends out from a foot rest or mould element, here be called the fuse support plate, be placed on the upstream extremity of mould outlet, install material to be extruded downstream feed by a kind of towards the fuse support plate, this feeding device generally comprises: several holes or passage, pass through from the position of fuse support plate between core bar.The device of this pattern discloses in the FR-A-258981 patent.
This structure is recommended or be applied to various extruding aspect, comprise the extruding of hollow brick and ceramic honey comb, but there are some problems in it, very little as largest cross-sectional sized in access desired, for example less than 2 millimeters place, because the poor rigidity of such fuse, the dust near-earth side very at the interval that requires passage, can run into the difficulty of mechanical aspects: for example the centre-to-centre spacing between the two adjacent passages is less than 5 millimeters.But when adopting some extrded material, as thermoplastic (when comprising glass, the size of the rigidity core bar of the mould that might be adopted and interval can be greater than the desired sizes of extruded product, after it leaves mould, extrusion is shunk, this technology is unaccommodated for many materials that are extruded, particularly to many plastic materials, as ceramic stick.
We have invented and a kind ofly can overcome these difficult mould structures.
The invention provides a kind of extrusion die and be used to produce the extrusion that has many through channel, the largest cross-sectional sized of its passage is 2 millimeters, and the interval between the two adjacent channel centerlines is less than 5 millimeters, and this mould comprises:
(a) mould housing has one and enters the end that district and discharge area are positioned at hand-hole, by this hand-hole extrded material is pushed;
B) fuse support plate laterally covered the district that enters of above-mentioned mould housing, had many passages of sending on it, will be extruded material by this passage and be flowed towards the district that enters of the mould housing of its downstream by the upstream extremity of fuse support plate;
C) many elongated flexible members stretch to discharge area by above-mentioned fuse support plate, be greater than desired distance between the channel centerline in extrusion in the distance between the longitudinal axis of the two adjacent flexible members at fuse support plate place, the sectional dimension of this flexible member, at least in its end, suitable with the sectional dimension of above-mentioned through channel away from the fuse support plate.
The present invention also is provided for producing a kind of method of extrusion, this method comprises: will be extruded the district that enters that material is sent into mould housing recited above, send into the rate of sending to that is extruded material that enters the district and will make material flow to the downstream face of fuse support plate, flow out above-mentioned hand-hole with the connector flow regime by above-mentioned passage.
By flowing of above-mentioned extrded material, cause described flexible member in fact to follow the streamline of extrded material, present one at described discharge area and be equivalent to the configuration that access desired is arranged in extrusion.
Advantage of the present invention is: by the mobile streamline of such extrded material, cause the fuse be made up of flexible member, with desired suitable relative position between the passage that satisfies extrusion.
As following pointed, in some cases, each flexible member can have an amplifier section at its end away from the fuse support plate, flexible member preferably has circular cross section uniformly, though other shape, for example polygon such as triangle, square, or hexagon or recessed different shape (for example cloverleaf), can adopt if desired.As described below, flexible member can be hollow, i.e. pipe.
The stretching that the flexibility of flexible member and extrded material are produced when flowing through flexible member will influence they at discharge area with respect to selected position in the position at fuse support plate place.And the size of sending into passage in the fuse support plate and they are with respect to the position of flexible member, also will influences in the position of the flexible member at mould outlet place to select.
When extrded material was ceramic stick, then extrusion process may be affected in temperature is 10 ° to 100 ℃ scopes, and in some cases, flexible member can be plastics, as nylon monofilament.Flexible member is circular cross-section preferably, and its diameter range is at 0.05 to 2 millimeter, particularly in 0.2 to 1.0 millimeter.Nylon monofilament, as the fishing rope, perhaps wire is an only material of making flexible member in many cases as stainless steel wire.
Mould of the present invention has specific use to producing the extrusion that has relatively large passage at its unit area of section.For this purpose, the number of fuse element preferably has 20 at least on the sectional area of every square centimeter hand-hole, have 25 especially at least.
The area of section that enters the district of mould housing is 4 to 100 times of area of section of hand-hole preferably.
Because being extruded material has some abrasive particle effect, the structure of fuse support plate preferably makes flexible member can change easily after extruding after a while.For this purpose, the fuse support plate can be provided with many apertures, the size in hole just in time allows flexible member to pass through thus, and flexible member all is to pass through these holes by a kind of method simply, for example when flexible member be that form with monofilament is when existing, by heating one end of flexible member is made a tubercle or sphere at the upstream extremity of fuse support plate, in extrusion process, from the hole of its cooperation, pull out to prevent flexible member.The hole of the vicinity of fuse support plate also can be passed in two ends on the length of flexible member material, so that make the flat root fuse element material of certain-length form two adjacent fuse elements, the ring-shaped article of the fuse element material between such two adjacent holes just can be used for preventing that the fuse element is next by being drawn out in each hole in extrusion process.
The present invention also is provided for the member of the extrusion die in the top described mould, comprising:
A) mould crust spare has one and enters the termination that district and discharge area are positioned at a hand-hole, will be extruded material by this hand-hole and push;
B) fuse support plate is used for laterally covering the district that enters of above-mentioned mould housing, and this fuse support plate has
Many passages of sending into, this passage are as the runner of sending into of extrded material, the housing that leads to the downstream of fuse support plate by the upstream extremity of fuse support plate enter the district and
Many through holes, each hole are used to accept an elongated flexible member by this hole, and extend towards the discharge area of above-mentioned housing, and the distance of the centreline space of two adjacent holes is greater than the interval of the centreline space of extrusion upper channel and passage.
The discharge area of housing preferably has a mould changeover portion (die land) that is essentially uniform cross-section, flexible member preferably stretches into such mould changeover portion with uniform cross-section area, more particularly, to reach the downstream of mould changeover portion at least.
The length of mould changeover portion preferably equals 1 to 5 times of smallest cross-sectional size of hand-hole.
The distance that the fuse support plate preferably is arranged on it and hand-hole equal at least housing at fuse support plate place enter the district the smallest cross-sectional size 1/3.More particularly, what the fuse support plate was arranged on preferably that length that it equals the mould changeover portion to the distance of hand-hole adds mould housing enters district's 1/3 to 3 times in the smallest cross-sectional size at fuse support plate place, particularly 1 to 2 times better.
In some cases, providing a plurality of extruded products by an extruder, may be the comparison Richard.For reaching this purpose, housing then will have a plurality of districts that enters, and each enters the district and has discharge area with its corresponding end at hand-hole, and the fuse support plate is provided with and sends into passage and fuse element.Another is can adopt a fuse support plate to be provided with one group thereon to send into passage and fuse element, and each that is used in the housing enters the district.
As mentioned above, flexible member preferably has a uniform cross section, and at certain in the case, in the end away from support plate of flexible member, it may be comparatively ideal promptly being provided with an amplifier section in the mould discharge area.So just provide possibility, so that make the main body of its length or major part have thinner sectional dimension, thereby produce bigger flexibility, and finally cause with the direction of stratiform streamline more in full accord for kind forming these passages with one to uniform section with flexible member.This amplifier section can have one and the different cross sectional shape of flexible member, and this flexible member can have the triangle of having like this, the circular cross section of the amplifier section of square or six tee sections.More satisfactory is: the flexible member with such amplifier section has the transition region of a band gradient between its thinner cross section and amplifier section.Has the extrusion that honeybee peeps the nest cross section structure by adopting the flexible member of band amplifier section, just may producing.
As mentioned above, in some cases, may require to adopt the hollow flexible element,, and enter the passage that forms in the extrusion by hole or its amplifier section of flexible member so that make fluid can pass through this flexible member.Flowing of such fluid may be useful to following situation:
A) wish the inner surface of passage is applied a kind of coating, in this case, fluid can be the coating material of fluid or gaseous state or its solution.
B) for example when extrusion being cut into long section: have the danger that passage subsides or hands over shape, in this case, this fluid can be liquid or gas, as air;
C) a kind of like this 1 fluid can help the adjustment of extrded material component: in this case, this fluid can react with extrded material and or help the drying of extrded material, heating or cooling are to reach suitable requirement: air is a kind of suitable fluid under many these class situations.
Mould can have many hand-holes, so that adopt a single fuse support plate to use to supply with many extrusions.
In use, owing to cause very much the position of flexible member setting corresponding with the stratiform flow pattern of the material that pushes, in order to obtain the uniform channel spacing distance in extrusion, it is contemplated that the position of flexible member on the fuse support plate should be according to the square law setting.But, except the fuse element the interval at fuse support plate place, the arrangement in the mould discharge area has influence to various other factorses to flexible member.These other factorses comprise:
The tensile force comprehensive function that the flexibility of flexible member is inner with it, this tensile force be by extrded material when it flows through flexible member, the friction that is produced drags and causes;
The shape of sending into passage by the fuse support plate and size and they are provided with respect to the position of flexible member;
The characteristic of extrded material and extruding condition are as extruding rate.
The structure of fuse support plate, just send into the shape of passage and size and flexible member and be provided with respect to the position of sending into passage, requiring passage at any extrded material made extrusion under any extrude bar to reach desirable position can be determined by test.In some cases, may require the thickness of fuse support plate along revising on its width.For example may have " convex lens " planform: this planform will influence extrded material by sending into the flow condition of passage.
In comparatively ideal configuration, under the extruding condition of design, flexible member should make each passage of extrusion have uniform interval in the position of fuse support plate; Each channel centerline is on each summit of equilateral triangle.
If desired, setting element is set, as foot rest, by this setting element flexible member or its amplifier section are passed through thus, or be provided with boss on partly or entirely in some of flexible member, and particularly those have amplifier section, and extrded material can be by flowing through around the setting element; The qualification element that channel location is used can be set, just make flexible member or its amplifier section be in the relation in space each other.In this case, the space layout of passage can decide in the upstream end portion (this part only is used to limit element to the passage between the fuse support plate provides vertical binding) of setting element by this setting element and flexible member.In this case, flexible member there is no need to be arranged on the fuse support plate so that make them follow the stratiform streamline of the upstream extremity of setting element.
The present invention is specially adapted to the production of porous ceramic articles, for example is used for turriform seal (towerpackings), or as catalyst or catalyst carrier.Mould of the present invention can push the various examples of ceramic material and introduce to some extent in patent EP-A-134138.
One embodiment of the invention will be described with reference to the following drawings, wherein:
Fig. 1 is a plane of mould of the present invention, and the fuse element of this mould is taken down;
Fig. 2 is longitudinal sectional view that an X-X line along Fig. 1 cuts, and the fuse element of mould is packed into: the right half part of Fig. 2 is represented an empty mould, the material that promptly is not extruded therein, and left-half represents that mould is in use;
Fig. 3 is a cross section that utilizes a kind of typical extrusion that the mould of the type shown in Fig. 1 or Fig. 2 produces;
Fig. 4 is the plane that is used to push a mould of four extrusions: for simplicity, the hole that is used to insert flexible member in flexible member and the fuse support plate all is omitted and the fuse plate is also cut a part;
Fig. 5 is an expression mould shown in Figure 4 along the cutaway view that IV-the IV line cuts;
Fig. 6 is the cross-sectional view of a mould, and wherein flexible member has amplifier section on its end away from the fuse support plate; With
Fig. 7 is a cross-sectional view that cuts along the VI among Fig. 6-VI line.
Mould shown in Fig. 1 and Fig. 2 comprises a housing 10, and this housing has the flange 14 that a flange 12 nestles up extruding cylindrical shell 16; A circular core daughter board 18 is fixed tightly between cylindrical shell 16 and the housing 10.Housing 10 has the end formation mould changeover portion that a cylindrical shape enters district 20 and cylindrical shape discharge area 22 and hand-hole 24.Entering between district and the discharge area is a frustum of a cone district 26.This zone does not need the frustum structure, and is columnar as adopting, and even now can cause being extruded the stagnant wake of material in extrusion process.What fuse support plate 18 had many circular cross-sections sends into passage 28, as the runner that is extruded material by extruder cylindrical shell 16, also have many apertures 30 by this passage, each this aperture has a fuse to limit element 32, nylon monofilament for example, by.Each fuse element has one and stops that tubercle 34 is positioned at the upstream extremity of fuse support plate 18, so that maintain fuse element 32.
Mould shown in Fig. 1 and Fig. 2 is provided with 50 fuses 32 altogether, and a central fuse is wherein arranged, and 7 fuses are arranged on first circumference, on the middle circumference 14 fuses is arranged, and 28 fuses are arranged on the exterior periphery.It is provided with 36 feeding channels, and a centre gangway is wherein arranged, and 7 center-aisles are arranged on first circumference, 14 center-aisles is arranged on second circumference, and 14 passages are arranged on the excircle.
This central cores sub-element is bearing in cross-over connection on the element on the centre gangway 44.
A typical extrusion is to be come out by extruding in the mould illustrated in figures 1 and 2, as shown in Figure 3.
In Fig. 4 and the device shown in Figure 5, this mould has four hand-holes 24, and feeding is sent into through a frustum of a cone district 26 by the feeding channel on the fuse support plate 18 28 and injected each hand-hole.
As in embodiment illustrated in figures 1 and 2, fuse support plate 18 is provided with many feeding channels 28 and many holes, and the many flexible members of (not shown) pass through by these holes and by the suitable hand-hole that is complementary with it.Fuse support plate 18 is bearing in the groove of the housing 10 that has tap 24, as shown in Figure 2.The central area 38 of fuse support plate 18 is that the middle body by housing 10 supports.
In Fig. 6 and embodiment shown in Figure 7, flexible member 32 all has imitates most of 46 in its end away from fuse support plate 18.These amplifier section 46 protruding length that reach mould changeover portion 22 at least.Amplifier section 46 has hexagon section, determines the passage of the hexagon section in extrusion by it.In Fig. 6 and device shown in Figure 7,7 such fuse elements are arranged.For the amplifier section 46 with flexible member 32 is placed in the mould changeover portion 22, and keep on their mutual positions that requires, amplifier section 46, the upstream extremity that is positioned at mould outlet side 24 a bit on, have protuberance 48, the inner surface of this protuberance and mould changeover portion 22 or link with the amplifier section 46 of an adjacent flexible member 32.The shape of these protuberances will make and be extruded material and can flow through between protuberance, and can regroup together in its downstream.At the upstream extremity of the amplifier section 46 of flexible member 32, be provided with the transition portion 50 of band gradient so that help extrded material is assigned to passage between the amplifier section 46 of passage between the amplifier section 46 of the inner surface of mould changeover portion 22 and flexible member 32 or contiguous flexible member 32.
Replacement is provided with protuberance 48 on the amplifier section 46 of flexible member 32, and a foot rest is arranged on the upstream extremity of amplifier section 46, and has many holes on this foot rest, and flexible member 32 is just by passing in these holes.
The present invention will describe for example by following.
Example 1
Bloodstone stone is milled into fine powder, and having average particle size particle size is 3 microns, and all particle sizes are all below 10 microns.
By weight alumina trihydrate with 31 parts, the aluminum-spinel (by weight) of 11 parts calcium carbonate (by weight) and 10 parts, all these compositions all are milled into the fine powder same with bloodstone stone before mixing, and then mix with fine powder that the bloodstone stone of 958 parts (weight ratio) was milled.
And then in this mixture, mix (by weight) a kind of high molecular weight polysaccharide (" Zusoplast psl " of 10 parts, can be from Zschimmer uns Schwarz, Lahnsteinam Rhein, FRG(West Germany) buy), the corn flour of 40 parts (by weight) (" Kordek ", grade G08010 can be from Manchester, England, Trafford Park road cpc Britain public affairs can, industry branch buys) (" Kordek " Grade G08010 available from CPC UK Ltd, Indus-tria L Division, Trafford park, Manchester, UK), the potash content of sneaking into about 130 parts (by weight) again is the aqueous solution of 96 grams per liters, and through being uniformly mixed into paste.
Then this mixture is at room temperature had 50 fuses by prior figures 1 and Fig. 2 are described, its hand-hole diameter is that 9.5 millimeters mould pushes.The fuse element is to be made by the nylon monofilament of 0.5 mm dia.It is 70 millimeters that mould is distinguished diameter entering of its fuse support plate place, and the size and the position of its feeding channel are as follows:
Diameter (millimeter)
Channel group passage circumference
Centre gangway 6-
On first intermediate circumference 4 16
On second intermediate circumference 4 29
On the excircle 6 44
The diameter in the hole that the fuse supporting member is used is 0.75 millimeter, and to be arranged on diameter be on 9.5,22 and 35 millimeters the circumference.
The cylindrical extrusion that has 50 longitudinally extending channels, cut open by certain-length, under the environmental condition of 30 ℃ and controlled humidity dry 12 hours, be heated to 400 ℃ then, its firing rate is 200 ℃/hour, and keeps till organic principle completing combustion is wherein fallen down at 400 ℃.Then extruded product sintering in the stove that with the air is environmental condition is heated to 1300 ℃ and kept 4 hours, then, after 6 hours, be cooled to environment temperature.
The extrusion that sintering is crossed all is that length is 8.5 millimeters, and diameter is 8.5 millimeters, and has the through channel of 50 0.48 mm dias, and its grain density is 4 gram per centimeters
3, the assay method of density is to be that benchmark records by its volume that enters the mercury under the atmospheric pressure, and, after bloodstone is reduced into iron, will be applicable to and make ammonia synthesis catalyst.
Adopt nylon or polyether-ether-ketone monofilament as the fuse element, its diameter is 0.7,0.55,0.35,0.3,0.25 and 0.19 millimeter and to adopt diameter be that 0.2 and 0.3 millimeter stainless steel wire can obtain similar extrusion as the fuse element.
When the employing aluminium oxide, carbon, silica jelly, zeolite and sugar can obtain similar extrusion in order to replace the bloodstone masonry for being extruded material with the component of starch mixture.
Example 2
The preparation steps that adopts bloodstone stone component is shown in example 1, and employing Fig. 1 and the shown mould pattern of Fig. 2, and it has the hand-hole that a largest cross-sectional sized is 18 millimeters six square sections.The fuse that 200 nylon monofilaments are arranged, each diameter is 0.19 millimeter, the arrangement in extrusion is that each passage is positioned on each summit of equilateral triangle haply.Earlier extrusion being cut into every segment length before oven dry is 40 millimeters goods.
Adopt zeolite component also can obtain similar extrusion as extrded material to replace iron ore.
Example 3
Adopt zeolite component to replace the step that its process for preparation of bloodstone stone component repeats example 1, and utilize mould pattern illustrated in figures 1 and 2, it is 3 millimeters hand-hole that this mould has a diameter, and have 37 nylon monofilament fuses, each diameter is 0.2 millimeter, and its position is provided with the passage in the extrusion is on each summit of equilateral triangle.The employing diameter is that 0.25 millimeter nylon monofilament fuse also can obtain similar extrusion.
Claims (10)
1, a kind of extrusion die is used to produce a kind of extrusion with many through channel, and the largest cross-sectional sized of this passage is 2 millimeters, and the interval between the two adjacent channel centerlines is less than 5 millimeters, and this extrusion die comprises:
A) mould housing has one and enters the end that district and discharge area are positioned at hand-hole, pushes being extruded material by this hand-hole:
B) a fuse support plate laterally covered the district that enters of whole housing, and had and manyly send into passage, by the runner of this passage as extrded material, was flowed towards the district that enters of the shell spare of the downstream that is positioned at the fuse support plate by the upstream extremity of fuse support plate; With
C) many elongated flexible members are stretched out towards discharge area by above-mentioned fuse support plate, distance between the longitudinal axis of two adjacent flexible members (at fuse support plate place) is greater than in extrusion desired spacing distance between two channel centerlines, the sectional dimension of above-mentioned flexible member, corresponding in its end at least with the sectional dimension of above-mentioned through channel away from the fuse support plate.
2, mould as claimed in claim 1, it is characterized in that having many holes on the fuse support plate, distance between the center line of two adjacent holes is greater than desired spacing distance between the channel centerline in extrusion, and each elongated flexible member passes above-mentioned hole one of them, and adopts a kind of measure to be used for preventing that this flexible member from pulling from its mating holes in the extrusion process of extrusion at the upstream extremity of above-mentioned fuse support plate.
3, mould as claimed in claim 2, it is characterized in that the fuse support plate has sends on several concentric circumferences that passage is arranged on passage, and the hole that is used to accept the fuse element all is arranged on several concentric circumferences in hole, and these circles are arranged between each circumference of sending into passage.
4, as the mould of described any one requirement of claim 1 to 3, the number that it is characterized in that the fuse element should be to be approximately 20 on every square centimeter of area of section of hand-hole.
5,, it is characterized in that the fuse element all is uniform circular cross-section, and its diameter is in 0.05 to 2 millimeter scope as the mould of described any one requirement of claim 1 to 4.
6, mould as claimed in claim 5 is characterized in that the fuse element is made of plastic monofilament.
7,, it is characterized in that the fuse element has amplifier section in its end away from the fuse support plate as the mould of described any one requirement of claim 1 to 4.
8,, it is characterized in that housing has a plurality of districts that enter as the mould that is used to push a plurality of extrusions of described any one requirement of claim 1 to 7.
Each enters the district and has the discharge area that matches with it, and the end and that is positioned at hand-hole has the fuse support plate of sending into passage and fuse, or
Each enters the district and has the discharge area that matches with it, is positioned at the end of hand-hole, and a single fuse support plate is set, and this single fuse support plate has one group and sends into passage and be used for some fuse elements that each enters the district.
9, the extrusion die member that uses in the mould as claimed in claim 2, or the mold component relevant with any claim comprise
A) mould housing has one and enters the end that district and discharge area are positioned at a hand-hole, pushes being extruded material by this hand-hole;
B) fuse support plate is used for laterally covering the district that enters of above-mentioned housing, and this fuse support plate has
Many passages of sending into, by this passage as the runner that is extruded material by the upstream extremity of fuse support plate towards the housing of fuse support plate downstream enter to flow in the district and
Many holes, by passing through on the fuse support plate, each hole is used to accept an elongated flexible member extends by this hole and towards the discharge area of housing, and the distance of the centreline space of two adjacent holes is greater than the desired spacing distance of twice centreline space in the extrusion.
10, a kind of method is used to produce a kind of extrusion, this method comprises sends being extruded material into the district that enters according to the mould housing of described any one requirement of claim 1 to 8, and this extrded material is sent into the speed that enters the district should make this material flow through this passage towards the downstream of fuse support plate and in this later being flowed out by hand-hole with the connector type of flow (plug flo-wfasion).
Cause the above-mentioned flexible member and then streamline that flows of extrded material basically by this extrded material mobile, and the access desired position is corresponding in configuration that above-mentioned discharge area presented and extrusion.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8613417 | 1986-06-03 | ||
| GB8613417A GB8613417D0 (en) | 1986-06-03 | 1986-06-03 | Extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87104060A true CN87104060A (en) | 1987-12-16 |
Family
ID=10598838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87104060 Pending CN87104060A (en) | 1986-06-03 | 1987-06-03 | Extrusion die |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0248560A1 (en) |
| JP (1) | JPS62297110A (en) |
| CN (1) | CN87104060A (en) |
| AU (1) | AU7339387A (en) |
| DK (1) | DK282687A (en) |
| GB (1) | GB8613417D0 (en) |
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| WO2009017141A1 (en) * | 2007-07-31 | 2009-02-05 | Hokuriku Seikei Industrial Co., Ltd. | Nozzle member and process for producing the same |
| JP5511557B2 (en) * | 2010-07-08 | 2014-06-04 | セイコーインスツル株式会社 | Glass substrate manufacturing method and electronic component manufacturing method |
| DE102012223349B4 (en) * | 2011-12-21 | 2020-10-01 | Nanostone Water Gmbh | Mouthpiece of an extruder for producing at least one shaped body |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1069052B (en) * | 1959-11-12 | Eisen- und Hartgußwerk "Coucordia" Gesellschaft mit beschränkter Haftung, Hameln/Weser | Device for destroying the structure in a screw extruder for ceramic masses | |
| DE588556C (en) * | 1930-12-13 | 1933-11-20 | Karl Korbacher | Use for the mouthpiece of extrusion presses for the production of tightly perforated bricks |
| DE675280C (en) * | 1936-05-07 | 1939-05-04 | Thomas Koidl | Device for the production of crack-free, smooth walls and webs having hollow stones on extrusion presses |
| GB1207952A (en) * | 1966-07-06 | 1970-10-07 | Mini Of Technology | Improvements in or relating to extrusion apparatus |
-
1986
- 1986-06-03 GB GB8613417A patent/GB8613417D0/en active Pending
-
1987
- 1987-05-18 EP EP19870304404 patent/EP0248560A1/en not_active Withdrawn
- 1987-05-26 AU AU73393/87A patent/AU7339387A/en not_active Abandoned
- 1987-06-02 DK DK282687A patent/DK282687A/en not_active Application Discontinuation
- 1987-06-03 JP JP13964787A patent/JPS62297110A/en active Pending
- 1987-06-03 CN CN 87104060 patent/CN87104060A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101513673B (en) * | 2008-02-22 | 2012-07-25 | 北京中科三环高技术股份有限公司 | Flow channel device capable of extruding out a plurality of magnets once for extruding machine and preparation method using same |
| CN104260189A (en) * | 2014-08-14 | 2015-01-07 | 滁州市南谯生辉新型建材有限公司 | Hollow brick extrusion forming die head device |
| CN108439982A (en) * | 2018-05-14 | 2018-08-24 | 济南大学 | A kind of axial composite-rotor negative temperature coefficient thermal-sensitive ceramic material and preparation method thereof |
| CN110142849A (en) * | 2019-05-20 | 2019-08-20 | 河海大学 | A kind of multiple dimensioned lining model axle center accurate positioning device and its operating method |
| CN112743904A (en) * | 2019-10-31 | 2021-05-04 | 中国石油化工股份有限公司 | Pore plate of strip extruding machine for forming and strip extruding machine |
| CN112743904B (en) * | 2019-10-31 | 2023-02-17 | 中国石油化工股份有限公司 | Pore plate of strip extruding machine for forming and strip extruding machine |
| CN113149405A (en) * | 2021-05-18 | 2021-07-23 | 杭州光学精密机械研究所 | Method for efficiently preparing chalcogenide glass slim rod |
| CN113233745A (en) * | 2021-05-18 | 2021-08-10 | 杭州长波红外科技有限公司 | Atmosphere protection type chalcogenide glass rod extrusion equipment and operation process thereof |
| CN113149405B (en) * | 2021-05-18 | 2022-12-06 | 杭州光学精密机械研究所 | Method for efficiently preparing chalcogenide glass slim rod |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62297110A (en) | 1987-12-24 |
| DK282687A (en) | 1987-12-04 |
| AU7339387A (en) | 1987-12-10 |
| DK282687D0 (en) | 1987-06-02 |
| EP0248560A1 (en) | 1987-12-09 |
| GB8613417D0 (en) | 1986-07-09 |
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