WO2008009167A1 - Moule d'extrusion cunéiforme, corps de support et moule à modèle - Google Patents

Moule d'extrusion cunéiforme, corps de support et moule à modèle Download PDF

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Publication number
WO2008009167A1
WO2008009167A1 PCT/CN2006/001617 CN2006001617W WO2008009167A1 WO 2008009167 A1 WO2008009167 A1 WO 2008009167A1 CN 2006001617 W CN2006001617 W CN 2006001617W WO 2008009167 A1 WO2008009167 A1 WO 2008009167A1
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WO
WIPO (PCT)
Prior art keywords
sleeve
molding
hole
forming
support body
Prior art date
Application number
PCT/CN2006/001617
Other languages
English (en)
Chinese (zh)
Inventor
Zhanbin Che
Original Assignee
Zhanbin Che
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhanbin Che filed Critical Zhanbin Che
Priority to PCT/CN2006/001617 priority Critical patent/WO2008009167A1/fr
Publication of WO2008009167A1 publication Critical patent/WO2008009167A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
    • B01J2/20—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic by expressing the material, e.g. through sieves and fragmenting the extruded length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/05—Filamentary, e.g. strands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/04—Particle-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2995/00—Properties of moulding materials, reinforcements, fillers, preformed parts or moulds
    • B29K2995/0037—Other properties
    • B29K2995/0059—Degradable
    • B29K2995/006—Bio-degradable, e.g. bioabsorbable, bioresorbable or bioerodible

Definitions

  • the present invention relates to a molding apparatus for a loosely reproducible bio-shield material, and specifically includes a molding die and a support body and a molding sleeve for molding the mold .
  • the present invention can form a loose biomass material without using any chemical binder, and can be used as a feed or a combustible material.
  • renewable biomass materials such as crop straws, herbs, shrubs, or solid wastes produced in wood processing, are an inexhaustible resource. The most traditional use of this resource is as a burning material and feed. Due to the large size, inconvenient transportation and other defects, the original use of biomass materials has long been abandoned.
  • biomass material ⁇ crushing ⁇ drying ⁇ extrusion molding the process of solidification molding of commonly used biomass materials is: biomass material ⁇ crushing ⁇ drying ⁇ extrusion molding, and this method of solidification molding is first applied to the processing of feed.
  • extrusion molding is the core of the curing technology.
  • the first extrusion molding machine used was a screw extruder, but it has been proved that the screw extrusion processing has low production efficiency, the production cost is relatively high, and the wear of the screw extruder is also quite serious. It is difficult to apply to the solidification molding process of a large number of biomass materials.
  • the most commonly used particle extrusion molding machine comprises a ring die, and a die hole is distributed on the annular wall of the ring die.
  • the rotation of the pressure roller adjacent thereto is driven, when the material enters the ring die.
  • the ring mold rotates into the die hole of the ring die, it is extruded from the other end of the die hole under the pressing of the press roll.
  • Most of these pellet forming machines are used for the processing of feeds, and because of the plurality of die holes, the processing efficiency is greatly improved.
  • Another commonly used particle forming machine includes a flat plate template on which a die hole is distributed, and a press roller is arranged on the die plate.
  • the press roller is rotated to rotate when the material enters.
  • the pressure roller and the die plate are pressed into the die hole by the pressing roller, and are extruded from the other end of the die hole as the pressing roller is continuously pressed.
  • the above two kinds of particle forming machines adopt the same extrusion method, that is, a wedge-shaped space is formed between the two pressing surfaces, and the wedge-shaped space is continuously reduced due to the relative movement of the two pressing faces, and the wedge-shaped pressing space is continuously reduced.
  • the material inside is continuously squeezed into the die hole in the mold and extruded from the other end of the die hole.
  • the method in which the inventors completely differ from the extrusion and the spiral extrusion is temporarily defined as a wedge extrusion method.
  • This wedge extrusion method was first applied to the processing of pellet feed.
  • the raw material of the grain feed is usually some herbal materials, such as soft biomass materials such as grass and straw.
  • the molding cavity is integrally formed on the mold body, when the cavity is worn, the entire mold will be scrapped, and a new mold must be replaced. Therefore, the cost of the molding die is high, and at the same time, the biomass material cannot be lowered. Processing costs.
  • the die hole of the die has the same cross-sectional shape as the formed pellet, and the depth of the die hole is 40 mm or more, and the depth of the formed hole is usually 60 to 120 mm, and the material passes through the length.
  • the pressing force is not transmitted to the forming hole.
  • the force conduction is greater than 10 mm. , and then continue to exert force on the density of its molding is not very good.
  • Such a long shaped hole in the prior art does not compress the material as much as is thought, and the molding density of the material in the shaped hole does not change much.
  • the long forming hole requires a large pressing force to extrude the material, and in the process of continuing the extrusion, it is often necessary to overcome the great friction between the hole wall and the material, which is the existing particle.
  • An object of the present invention is to provide a wedge-shaped extrusion molding die for a loose biomass moldable material, a support body thereof and a molding sleeve, which can effectively reduce the manufacturing cost and the use cost of the mold, thereby reducing the solidification molding of the biomass material. Manufacturing costs.
  • the object of the present invention is achieved by a wedge extrusion molding die for molding a loose biomass material, the molding die comprising a mold body, a molding cavity distributed on the mold body, the mold The body is formed by a support body having a through hole. The molding cavity is respectively formed on the molding sleeve, and the molding sleeve is embedded in the through hole of the support body.
  • a support body for a wedge-shaped extrusion molding die wherein the support body is provided with at least one pressing surface, and a through hole of the support body is disposed on the pressing surface of the support body.
  • the molding sleeve is provided on the support body, the molding cavity is formed on the molding sleeve, and when the molding cavity cannot be used due to wear, the molding cavity can be arranged from the support body. After being disassembled, the new molding cavity sleeve is replaced, the entire mold is discarded, and the support body can be reused, thereby greatly reducing the use cost of the molding die. Further, the molded sleeve of the present invention can also be processed by a method of precision casting and integral molding, which can greatly reduce the manufacturing cost of the mold and improve the processing precision of the mold.
  • the casing with the cavity in the invention may also be composed of a smooth wear-resistant material such as ceramic, Simply reducing its manufacturing costs can also greatly reduce the energy consumption during extrusion.
  • the molding cavity is composed only of a shrinking extrusion cavity having a depth of not more than 10 mm, and the extrusion distance of the material forming is greatly shortened, thereby maximizing The ground reduces its energy consumption in extrusion.
  • the molding cavity of the molding die of the invention is composed of a circular molding die and a reaming groove which are parallel to two axes, so that the structure is simple and the processing is convenient, and the processing of the molding cavity can be avoided by using the special-shaped processing method. , can reduce the manufacturing cost of the molding die.
  • the extrusion molding die of the present invention can be applied to feed processing as well as to biomass combustion materials.
  • the cavity can be composed of only one extrusion chamber that is contracted, or a small molding section is connected at the outlet end of the molding to minimize the energy consumption required, and also greatly The wear of the mold is reduced, thereby reducing the cost of using the mold.
  • the structure in which the support body and the molding sleeve are separated is used, and even if the molding cavity on the casing is damaged by wear, only some of the casings are replaced, and the entire mold is discarded.
  • the molding die of the present invention can omit the molding section or compress the molding section to a minimum, the sheet material is laminated into the extrusion cavity of the mold and then extruded, and then directly extruded through the molding outlet, thereby The length of the material passing through the forming mold is greatly reduced, so as to adapt to the small force transmission distance of the loose biomass material, and the extrusion of the material in the forming mold is reduced under the premise of ensuring the molding quality. Friction length and time, therefore, can greatly reduce the extrusion resistance of the material, only need a small positive pressure to press out the material, thereby reducing the energy consumption of the material through the molding cavity, P competes for low bio-shield material products Processing costs.
  • FIG. 1 is a schematic view showing the structure of a molding die of the present invention.
  • Figure 2 is a schematic view showing the structure of another molding die of the present invention.
  • Fig. 3 is a schematic exploded view showing another molding die of the present invention.
  • Figure 4 - Figure 7 A partially enlarged view of Figure 1.
  • Fig. 8 is a schematic view showing the structure in which the molded sleeve is embedded in the outer side of the ring mold.
  • Figure 9 and Figure 10 are schematic views of the flat mold structure of the present invention.
  • 11 to FIG. 16 are schematic structural views of a partially formed cavity in the present invention.
  • FIG. 17 to FIG. 20 are partial structural views showing the molding sleeve embedded in the support body according to the present invention.
  • FIGS. 21 to 26 are schematic views showing a partial positioning manner of the molding sleeve and the support body in the present invention.
  • Figure 27 - Figure 30 is a schematic view showing the structure of another molding cavity in the present invention.
  • the molding die includes a mold body 1 , and a molding cavity 2 is distributed on the mold body 1 .
  • the molding cavity 2 is respectively formed on a molding sleeve 3, and the mold body 1 is composed of a support body 10 having a through hole 11; the molding sleeve 3 is embedded and fixed to the support body. 10 inside the through hole 11.
  • the molding sleeve 3 is disposed on the support body 10 of the mold body 1, and the molding cavity 2 is disposed on the molding sleeve 3, and when the molding cavity 2 is worn and can no longer be used, The molding sleeve 3 can be removed from the through hole 11 of the support body 10, and the new molding sleeve 3 can be replaced in the through hole 11 to continue the use, so that the mold support body 10 can be reused, and the extrusion molding die can be improved. The life, thereby reducing the cost of the overall forming mold and the cost of extrusion processing.
  • the support body 10 of the wedge-shaped extrusion molding die of the present invention comprises at least one pressing surface on which the through holes 11 into which the molded sleeve 3 can be inserted are distributed.
  • the support body 10 is annular, and the molding sleeve 3 is embedded in the through hole 11 of the support body 10 to form a ring mold;
  • the inner wall surface of the annular support body 10 is embedded in the through hole 11 (as shown in FIGS. 1, 4 to 7), and the inner wall surface constitutes the pressing surface; of course, the molded sleeve 3 may also be from the annular support body 10.
  • the outer wall surface is embedded in the through hole 11 (as shown in Fig. 8), and the outer wall surface constitutes the pressing surface.
  • the support body 10 may also have a flat shape.
  • the molded sleeve 3 is embedded in the through hole 11 of the support body 10 to form a flat template, and the surface of the molded sleeve 3 is a pressing surface.
  • the molding sleeve 3 of the present invention is a member that can be assembled with the through hole 11 of the support body 10.
  • the molding sleeve 3 is formed with a molding cavity 2, which is formed.
  • the shape of the molded sleeve 3 corresponds to the shape of the through hole 11 of the support body 10.
  • the molded sleeve 3 can be a cylinder (shown in FIGS. 1, 17, and 18), and the molded sleeve 3 is fixedly embedded.
  • the forming sleeve 3 may also be a frustum body having a self-locking angle (as shown in FIGS. 2 and 3), and the forming sleeve 3 The self-locking is formed by embedding into the corresponding through hole 11.
  • the support body 10 and the molding sleeve 3 of the wedge-shaped extrusion molding die of the present invention are separately processed and assembled to constitute the wedge-shaped extrusion molding die, the separate processing of each component is relatively easy, and the components can be improved.
  • the molding sleeve 3 is embedded and fixed in the through hole 11 of the support body 10. Therefore, the wedge extrusion molding die of the present invention is simple and convenient to assemble.
  • the molding sleeve 3 of the present invention can be processed by a precision casting method; the molding cavity 2 on the molding sleeve 3 can also be integrally molded with the molding sleeve 3 by a precision casting method to reduce the manufacturing of the molding die. cost.
  • the molded sleeve 3 of the present invention can be made of a ceramic material in addition to a commonly used mold material support.
  • the present invention can not only improve the service life of the entire extrusion die, but also reduce the manufacturing cost and the use cost of the mold, and can make the processing of the mold simple and convenient, and the assembly thereof is also very easy.
  • Example 2
  • the structure and principle of the embodiment are basically the same as those of the embodiment 1.
  • the molding cavity 2 of the molding sleeve 3 can be used.
  • the molding cavity 2 which is usually used, as shown in Figs. 29 and 30, is constituted by a through hole 25 which is provided with a chamfer 26 at the inlet end of the through hole 25.
  • the molding cavity 2 may be constituted by a pressing chamber 20 which is contracted.
  • the inventors have conducted a large number of tests to prove that the material can reach a sufficient material forming density in the shrinking extrusion cavity 20 having a depth of not more than 10 mm, and is directly extruded from the molding outlet 22 to obtain a desired shape. From the forming outlet 22 006 001617 is no longer has any friction between the extrusion cavity and the molding cavity 2, minimizing the energy consumption required, and greatly reducing the wear of the mold, thereby increasing the cost of the mold.
  • the wedge extrusion molding die of the present invention can be applied to the processing of biomass burning materials. Since the molding materials used for molding the combustion materials are hard, before the molding materials enter the molding cavity, First, a shearing force is applied in a wedge-shaped extrusion cavity. Under the shearing force, the granular material in the wedge-shaped extrusion cavity is crushed and stretched into a sheet shape, and the volume of the wedge-shaped extrusion cavity is constant. The sheet material is laminated into the molding cavity of the molding die; in order to further material which has been milled and stretched into a sheet shape in the wedge extrusion chamber, it is further formed in the molding cavity of the molding die.
  • the molding cavity 2 of the molding die is designed such that the molding outlet 22 is offsetly disposed in the extrusion cavity having a tapered cross section.
  • the side of the bottom portion of the bottom portion 20 forms a long smooth slope between the material inlet end 21 and the forming outlet 22.
  • the depth b of the extrusion chamber 20 whose cross-section is tapered is less than or equal to 10 mm.
  • the inlet end 21 on the side corresponding to the forming outlet 22 is extruded into the squeezing cavity 20 which is tapered in cross section, and then extruded from the forming outlet 22 to give the molded product a specific structural model.
  • the forming section of the present invention omits the forming section, and the forming sleeve 3
  • the thickness can be equal to the depth of the tapered extrusion chamber 20, and after the material enters the extrusion cavity 20 of the mold, it is directly extruded through the molding outlet 22, thereby greatly reducing the length of the material passing through the molding die.
  • the cross-sectional shape of the tapered extrusion cavity 20 of the molding cavity 2 disposed on the molding sleeve 3 is The circular shape, the forming outlet 22 is also circular, and the axis 221 of the forming outlet 22 is parallel and spaced apart from the axis 201 of the section of the extrusion chamber 20, the spacing a of which is less than or equal to the radius of the circular forming outlet 22.
  • the above structural design is advantageous for the forming cavity 2 to be processed by machining.
  • a through hole can be vertically processed on the forming sleeve 3 by using a milling cutter (or other cutting tool).
  • a hole is formed to form the tapered extrusion chamber 20. Since the molding cavity 2 of the present invention is processed without using a special-shaped machining method, it can be completed only by milling or drilling and with the control axis offset, thereby simplifying the processing of the molding cavity 2 and facilitating the processing. Therefore, the processing cost of the mold can be greatly reduced.
  • the extrusion cavity 20 is tapered to the side edge. Tangent to the edge of the molding die 22, that is, the side constitutes a vertical side wall 222, in such a manner that the material entering the molding cavity 2 is pressed inward by the resistance of the vertical side wall 222 inwardly. The material does not overflow from the side, and the extrusion process is better.
  • one side of the tapered extrusion chamber 20 may also be located outside or within the edge of the molding die 22 to constitute the molding cavity 2, in such a manner as to be the same as described above. Effect.
  • the tapered extrusion cavity 20 may have a rectangular, elliptical or other asymmetrical shape, and the shape of the forming outlet 22 may be the same as or different from the shape of the tapered extrusion cavity 20.
  • the tapered extrusion cavity 20 of the molding cavity 2 has an irregular shape, and the shape of the molding outlet 22 is also an irregular shape.
  • the molding cavity 2 of the above shapes, Both the casting method and the forming of the forming sleeve can be carried out.
  • the height of the formed sleeve 3 with the molding cavity 2 is equal to the depth of the pressing cavity 20, and the corresponding mold body 1 is provided with a stepped hole. 11 , the forming sleeve 3 is embedded in the large hole section of the stepped hole 11; the upper surface of the forming sleeve 3 is flush with the upper surface of the support body 10 of the mold body 1 or slightly higher than the upper surface of the supporting body 10 (not shown) Show). Said The molded sleeve 3 of 01617 is evenly arranged on the support 10 of the mold body 1.
  • the molded sleeve 3 when the molded sleeve 3 is a frustum body, its small end is embedded in the through hole 11 of the support body 10, and the upper surface of the molded sleeve 3 is flush or slightly higher than the upper surface of the support body 10.
  • the molding cavity 2 is designed such that the molding outlet 21 is offsetly disposed on the side of the bottom portion of the extrusion chamber 20 whose cross-section is tapered, a ratio is formed between the material inlet end 21 and the molding outlet 22.
  • the material On the long smooth slope, the material has to be extruded from the side of the smooth slope into the molding cavity 2 and then extruded from the forming outlet 22, so that the side with the smooth slope constitutes the material introduction side.
  • the forming sleeve 3 is embedded on the support body 10 of the mold body 1.
  • the support body 10 (such as the ring mold) has a certain rotation direction, and the material in the rotating ring mold is accurately introduced from the introduction side into the molding cavity. 2.
  • the mold body 1 is provided with a positioning structure corresponding to the outer circumference of the molding sleeve 3, and the molding sleeve 3 is directionally embedded in the mold body 1.
  • the outer peripheral surface of the forming sleeve 3 may be provided with a convex flange 31.
  • the inner wall of the through hole 11 of the mold body 1 is provided with a corresponding concave groove 12, and the forming sleeve is formed.
  • the flange 31 of the 3 is inserted along the recessed groove 12 in the body 1 to define the mounting position of the molded sleeve 3.
  • the outer peripheral surface of the forming sleeve 1 may be provided with a recessed groove 32, and the inner wall of the through hole 11 on the mold body 1 is provided corresponding thereto.
  • the flange 13 of the molded sleeve 3 is inserted along the flange 13 of the body 1 to define the mounting position of the molded sleeve 3.
  • the material enters the molding cavity 2 from the introduction side, is extruded along the smooth slope toward the forming outlet 22, and is formed into a desired shape product through the forming outlet 22.
  • Example 5
  • the molding sleeve 3 is composed of two stepped cylinders 33 and 34 which are offset by two axes, and the mold body 1 is provided with a stepped through hole (not shown) corresponding to the molding preparation body 3, thereby forming a molding sleeve.
  • the body 3 is directionally embedded in the through hole in the mold body 1 to form a positioning.
  • forming the formed sleeve 3 into a non-rotating body such as a prism, an elliptical cylinder or other asymmetric polygonal cylinder
  • the shape of the molded sleeve 3 corresponds to the positioning structure (not shown).
  • the forming sleeve 3 can be divided into two sections, at least one of which is formed into a non-rotating body (as shown in FIGS.
  • the mold body 1 is provided with a section of through holes 11 corresponding to the forming sleeve 3 (non-rotating)
  • the molding sleeve 3 is embedded in the hole of the section to define the mounting position of the molding sleeve 3.
  • This embodiment is the same as the structure and principle of the first embodiment, and the difference is that, as shown in FIGS. 6, 7, 8, 9, and 19, a flange 34 is disposed at the front end of the formed sleeve 3, and the formed sleeve 3 is evenly distributed. On the mold body 1, the flange 34 of the molded sleeve 3 is densely attached to the surface of the mold body.
  • the pressing surface of the die body 1 (the surface in contact with the material) is often easily worn.
  • the structure of the embodiment can overcome this drawback. During the forming and pressing process, the surface of the mold body 1 is protected by the flange 34, and the surface of the mold body 1 (i.e., the support body 10) is prevented from being worn to improve the mold. Overall service life.
  • This embodiment is basically the same as the foregoing embodiments, except that, as shown in FIG. 14, the end of the forming outlet 22 is provided with an enlarged section 23, and the enlarged area of the enlarged section 23 is larger than the area of the forming outlet 22.
  • the enlarged section 23 may be a cylindrical enlarged section or a divergent enlarged section (illustrated as a tapered enlarged section).
  • a small section 24 may be formed at the end of the forming outlet 22 according to the actual extrusion molding, and the enlarged section 23 may be provided at the rear of the forming section 24.
  • each of the forming sleeves 3 is provided with a molding cavity 2.
  • two or more molding cavities 2 may be provided on the molding sleeve 3 in accordance with the actual needs of the extrusion molding process.

Abstract

L'invention concerne un moule d'extrusion cunéiforme pour la mise en forme de biomatériau en vrac. Ledit moule comprend un corps de moule, une cavité de moulage formée sur le corps de moule. Ledit corps de moule est constitué d'un corps de support sur lequel est formé un trou. Ladite cavité de moulage est formée dans le moule à modèle, et le moule à modèle est inséré et fixé dans le trou du corps de support. Comparé à l'état antérieur de la technique, le moule d'extrusion de la présente invention peut réduire le coût de fabrication et le coût d'utilisation du moule, ainsi que la consommation d'énergie pour le traitement du moule.
PCT/CN2006/001617 2006-07-10 2006-07-10 Moule d'extrusion cunéiforme, corps de support et moule à modèle WO2008009167A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/CN2006/001617 WO2008009167A1 (fr) 2006-07-10 2006-07-10 Moule d'extrusion cunéiforme, corps de support et moule à modèle

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Application Number Priority Date Filing Date Title
PCT/CN2006/001617 WO2008009167A1 (fr) 2006-07-10 2006-07-10 Moule d'extrusion cunéiforme, corps de support et moule à modèle

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EP1541328A1 (fr) * 2002-07-19 2005-06-15 Zhanbin Che Procede et dispositif permettant de mettre en forme une matiere en vrac provenant d'une matiere premiere vegetale
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Publication number Priority date Publication date Assignee Title
CN87201358U (zh) * 1987-02-18 1988-10-05 钱祖钦 锥辊平模挤压式制粒装置
CN87215113U (zh) * 1987-11-28 1988-09-07 长沙有色金属加工厂 可更换型模的多孔挤压模
CN2125445U (zh) * 1992-05-29 1992-12-23 王金光 组合式孔模盘
EP0781742A1 (fr) * 1994-09-20 1997-07-02 Konishi, Toshiaki Engrais organique brut comportant de la fibre vegetale, son procede de production et son appareil de traitement
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CN103734887A (zh) * 2014-01-23 2014-04-23 昆明桂丰机械有限公司 一种猪饲料成型环模及加工成型孔的扩孔钻

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