SK12996A3 - Device for producing moulded bodies, in particular plastic moulded bodies, and process for producing said device - Google Patents
Device for producing moulded bodies, in particular plastic moulded bodies, and process for producing said device Download PDFInfo
- Publication number
- SK12996A3 SK12996A3 SK129-96A SK12996A SK12996A3 SK 12996 A3 SK12996 A3 SK 12996A3 SK 12996 A SK12996 A SK 12996A SK 12996 A3 SK12996 A3 SK 12996A3
- Authority
- SK
- Slovakia
- Prior art keywords
- heat distribution
- producing
- tempering
- cavity
- layer
- Prior art date
Links
Classifications
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
- B29C45/73—Heating or cooling of the mould
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/02—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means
- B29C33/04—Moulds or cores; Details thereof or accessories therefor with incorporated heating or cooling means using liquids, gas or steam
-
- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2017/00—Carriers for sound or information
- B29L2017/001—Carriers of records containing fine grooves or impressions, e.g. disc records for needle playback, cylinder records
- B29L2017/003—Records or discs
Abstract
Description
Túto úlohu spĺňa zariadenie na výrobu výliskov, najmä plastových výliskov, s nástrojom pozostávajúcim z aspoň dvoch vložených elementov a priestorov pre temperovací prostriedok, pričom vložené elementy obklopujú dutinu pre výlisok, podľa vynálezu, ktorého podstatou je, že medzi priestormi pre temperovací prostriedok a dutinou pre výlisok je usporiadaná vrstva s vysokým súčiniteľom teplotnej vodivosti pre vyrovnanie rozloženia tepla, pričom táto vrstva pre vyrovnanie rozloženia tepla je prevedená z medi, alebo zliatin medi a z oceľových guliek ako elementov pre prenos síl pre dosiahnutie homogénnej teploty v stene dutiny pre výlisok.This object is achieved by an apparatus for the production of moldings, in particular of plastic moldings, with a tool comprising at least two intermediate elements and tempering chamber spaces, wherein the intermediate elements surround the molding cavity according to the invention. The compact is a layer having a high thermal conductivity coefficient to compensate for the heat distribution, the heat balance equalizing layer being made of copper or copper alloys and steel spheres as force transfer elements to achieve a homogeneous temperature in the mold cavity wall.
Túto úlohu ďalej spĺňa spôsob výroby zariadenia podľa vynálezu, ktorého podstatou je, že zahŕňa výrobu vloženého elementu s dutinou pre vloženie elementu s priestormi pre temperovací prostriedok a elementu pre vyrovnanie rozloženia tepla, výrobu elementu s priestormi pre temperovací prostriedok, výrobu elementu pre vyrovnanie rozloženia tepla z medi alebo zliatin medi a oceľových guliek ako elementov pre prenos síl, vloženie elementu pre vyrovnanie rozloženia tepla a elementu s priestormi pre temperovací prostriedok do dutiny vloženého elementu a vzájomné spojenie vloženého elementu, elementu pre vyrovnanie rozloženia tepla a elementu s priestormi pre temperovací prostriedok.This object is further accomplished by a method of manufacturing a device according to the invention, which comprises producing an intermediate element with a cavity for inserting an element with a tempering chamber and a heat dissipation element, producing an element with a tempering chamber, producing an element for compensating the heat of copper or copper alloys and steel spheres as force transfer elements, inserting the heat distribution equalizing element and the tempering chamber element into the cavity of the intermediate element, and interconnecting the intermediate element, the heat distribution equalizing element and the tempering chamber element with each other.
Vynález sa teda týka spôsobu vyrovnania porúch pri temperovaní, ktoré by mohli vzniknúť, keby sa temperovanie prevádzalo veľmi blízko u steny dutiny pre výlisok. Toto vyrovnanie porúch pri temperovaní sa prevádza prostredníctvom vrstvy pre vyrovnanie rozloženia tepla, ktorej súčiniteľ teplotnej vodivosti je podstatne vyšší než súčiniteľ teplotnej vodivosti oceli, z ktorej je vyrobená forma. V dôsledku vysokého súčiniteľa teplotnej vodivosti dôjde k „rozmazaniu izoterm, ktoré sú inak zvyčajne usporiadané okolo dutiny pre temperovací prostriedok koncentricky (sústredne). Prvé pokusy ukázali, že teplo sa v tepelne vodivej vrstve odvádza približne sedemnásobnou rýchlosťou. Tým je zaistené homogénne rozloženie teplôt v stene dutiny pre výlisok, čo vo svojom dôsledku vedie k skráteniu výrobných cyklov vzhľadom k podstatne lepšiemu chladeniu. Až kombináciou medi ako vrstvy pre vyrovnanie rozloženia tepla a oceľových guliek ako elementov pre prenos síl podľa vynálezu mohlo byt dosiahnuté optimálne rozloženie tepla, pretože teplo sa v dôsledku geometrie oceľových guliek rozloží podstatne rýchlejšie v smere vrstvy pre vyrovnanie rozloženia tepla než kolmo k tejto vrstve.Thus, the invention relates to a method of compensating for tempering disturbances that could arise if tempering were conducted very close to the mold cavity wall. This tempering failure compensation is performed by means of a heat distribution equalization layer whose thermal conductivity coefficient is substantially higher than the thermal conductivity coefficient of the steel from which the mold is made. Due to the high thermal conductivity coefficient, isotherms are smeared, which are otherwise usually arranged concentrically (concentrically) around the temperature control cavity. Initial experiments have shown that heat is dissipated in the thermally conductive layer at approximately seven times the rate. This ensures a homogeneous temperature distribution in the wall of the mold cavity, which in turn results in shortening of the production cycles due to the considerably better cooling. It was only by combining copper as a heat distribution equalization layer and steel spheres as force transfer elements according to the invention that an optimum heat distribution could be achieved, because heat is distributed more rapidly in the direction of the heat distribution equalization layer than perpendicular to this layer.
Elementy pre prenos síl sú potrebné pre to, aby tlak, ktorý pri lisovaní vzniká, a ktorý je zvyčajne zachytávaný oceľovým materiálom formy, mohol byť zachytávaný rovnako „mäkšou vrstvou pre vyrovnanie rozloženia tepla, respektíve aby bol ďalej vedený na druhú stranu tejto vrstvy.The force transfer elements are needed so that the pressure that is generated during the compression, which is usually absorbed by the steel mold material, can be absorbed by an equally "softer layer to compensate for heat distribution" or to be further directed to the other side of the layer.
Podľa výhodného prevedenia vynálezu sa ako vrstva pre vyrovnanie rozloženia tepla použije dopredu vyrobený element pre vyrovnanie rozloženia tepla s vysokým súčiniteľom teplotnej vodivosti. Výroba tohto dopredu vyrobeného elementu pre vyrovnanie rozloženia tepla je výhodná preto, že priame vliatie medi v tekutom stave alebo zliatiny medi v tekutom stave do vloženého elementu by mohlo viesť ku vzniku napätia a k vadám vložených elementov.According to a preferred embodiment of the invention, a pre-manufactured heat distribution equalizing element with a high thermal conductivity coefficient is used as the heat distribution compensation layer. The production of this preformed heat dissipation compensating element is advantageous because the direct pouring of copper in the liquid state or copper alloy in the liquid state into the intermediate element could lead to stresses and defects in the intermediate elements.
Pri výrobe zariadení na výrobu odliatych súčastí sa teda najskôr vytvorí vo vložených elementoch dutina, do ktorej sa vloží ako element pre vyrovnanie rozloženia tepla, tak i systém s priestormi pre temperovací prostriedok. S výhodou sa element pre vyrovnanie rozloženia tepla a rovnako element s priestormi pre temperovací prostriedok spojí s vloženým elementom pájaním za vysokých teplôt alebo pájaním natvrdo.Thus, in the manufacture of devices for the production of cast parts, a cavity is first formed in the inserted elements, into which both the heat dissipation compensation element and the system with the space for the tempering agent are inserted. Advantageously, the heat dissipation compensation element as well as the tempering chamber element are connected to the intermediate element by high-temperature brazing or brazing.
Prehľad obrázkov na výkresochBRIEF DESCRIPTION OF THE DRAWINGS
Vynález bude ďalej bližšie objasnený na príkladnom prevedení podľa priloženého výkresu, na ktorom je znázornený jediný vložený element, ktorý sa, napríklad v spojení s ďalším zrkadlovo symetrickým vloženým elementom, použije pri výrobe kompaktných diskov.The invention will now be explained in more detail by way of example with reference to the accompanying drawing, in which a single insert element is shown which, for example, in conjunction with another mirror-symmetrical insert element, is used in the manufacture of compact discs.
Príklady prevedenia vynálezuExamples
Vložený element 1. je opatrený priestormi 2. pre temperovací prostriedok a stenou 3. pre ohraničenie neznázornenej dutiny pre výlisok. V znázornenom výhodnom príkladnom prevedení je stena 3. vloženého elementu i vytvorená ako rovná plocha. Aby mohli byť priestory 2 pre temperovací prostriedok usporiadané relatívne blízko u steny 3., je podľa vynálezu medzi priestormi 2. pre temperovací prostriedok a stenou 3. usporiadaná vrstva 4 pre vyrovnanie rozloženia tepla.The intermediate element 1 is provided with spaces 2 for the tempering means and a wall 3 for enclosing the mold cavity (not shown). In the preferred embodiment shown, the wall 3 of the inserted element 1 is designed as a flat surface. In order that the tempering agent compartments 2 can be arranged relatively close to the wall 3, according to the invention, a layer 4 for compensating the heat distribution is arranged between the tempering agent compartments 2 and the wall 3.
Podľa výhodného prevedenia vynálezu je vrstva 4. pre vyrovnanie rozloženia tepla vytvorená ako dopredu vyrobený element pre vyrovnanie rozloženia tepla, ktorý sa vloží do dutiny 5. vytvorenej vo vloženom elemente 1., potom sa s vloženým elementom 1. spojí, s výhodou pájaním natvrdo alebo pájaním za vysokých teplôt. Pritom je tento element pre vyrovnanie rozloženia tepla vo vnútri vystužený neznázornenými elementmi pre prenos síl vo forme oceľových guliek. Na vrstvu 4. pre vyrovnanie rozloženia tepla sa potom usporiada k „vyplneniu dutiny 5. element £ s priestormi 2 pre temperovací prostriedok, ktorý sa rovnako spojí s vloženým elementom i, rovnako s výhodou pájaním natvrdo alebo za vysokých teplôt. V znázornenom príklade prevedenia sú ako vrstva 4. pre vyrovnanie rozloženia tepla, tak i element 6. s priestormi 2 pre temperovací prostriedok vytvorené ako kotúč s otvorom v prostriedku. Riešenie podľa vynálezu môže byť použité i u zariadenia na výrobu nesymetrických výliskov.According to a preferred embodiment of the invention, the heat dissipation layer 4 is formed as a pre-fabricated heat dissipation element which is inserted into the cavity 5 formed in the insert element 1, then joined to the insert element 1, preferably by brazing or soldering at high temperatures. In this case, this element for compensating the heat distribution inside is reinforced by means of force transmission elements (not shown) in the form of steel spheres. On the heat dissipation layer 4, an element 5 with a tempering chamber space 2 is also provided for "filling the cavity 5", which is also connected to the intermediate element 1, also preferably by brazing or at high temperatures. In the illustrated embodiment, both the heat distribution equalization layer 4 and the element 6 with the tempering agent compartments 2 are designed as a disc with an opening in the agent. The solution according to the invention can also be used in an asymmetric molding machine.
Claims (5)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4325481A DE4325481C2 (en) | 1993-07-29 | 1993-07-29 | Device for the production of moldings and method for producing such a device |
PCT/EP1994/002441 WO1995003928A1 (en) | 1993-07-29 | 1994-07-23 | Device for producing moulded bodies and process for producing said device |
Publications (1)
Publication Number | Publication Date |
---|---|
SK12996A3 true SK12996A3 (en) | 1996-11-06 |
Family
ID=6494005
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SK129-96A SK12996A3 (en) | 1993-07-29 | 1994-07-23 | Device for producing moulded bodies, in particular plastic moulded bodies, and process for producing said device |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP0713444A1 (en) |
JP (1) | JPH09500838A (en) |
KR (1) | KR960703716A (en) |
CA (1) | CA2168267A1 (en) |
DE (1) | DE4325481C2 (en) |
SK (1) | SK12996A3 (en) |
WO (1) | WO1995003928A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10151078B4 (en) * | 2000-10-11 | 2004-09-09 | Fachhochschule Jena | injection mold |
DE102006008359B4 (en) * | 2006-02-21 | 2008-06-05 | Direkt Form Gmbh | Temperable tool made of a cast metal material for shaping workpieces |
DE102007054723B4 (en) * | 2007-11-14 | 2015-05-28 | Cl Schutzrechtsverwaltungs Gmbh | molding |
DE102020118192A1 (en) * | 2020-07-09 | 2022-01-13 | Fox Velution Gmbh | Mold for producing a molded particle foam part |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB815388A (en) * | 1956-08-01 | 1959-06-24 | Transcription Mfg And Recordin | Improvements in or relating to apparatus for moulding gramophone disc records |
GB149502A (en) * | 1919-07-07 | 1920-08-19 | John Voorhees Errickson | Improvements in and relating to a method and apparatus for moulding phonograph records and like articles |
CH507802A (en) * | 1970-02-25 | 1971-05-31 | Synthexa Establishment | Process and injection mold for the production of hollow bodies from thermoplastics |
GB1509362A (en) * | 1977-01-17 | 1978-05-04 | Emi Electrola Gmbh | Disc record press |
NL8304399A (en) * | 1983-12-22 | 1985-07-16 | Philips Nv | ALTERNATING HEATABLE AND COOLABLE PRESS BLOCK. |
US4757972A (en) * | 1986-08-29 | 1988-07-19 | Acushnet Company | Fast thermal response mold |
DE3632640A1 (en) * | 1986-09-25 | 1988-06-01 | Agfa Gevaert Ag | METHOD FOR PRODUCING AN INJECTION MOLDING TOOL |
DE3808363A1 (en) * | 1988-03-12 | 1989-09-21 | Wolff Hans Martin | Core for injection mould and process for its production |
DE9201642U1 (en) * | 1992-02-11 | 1992-06-04 | Gebr. Krallmann Gmbh, 4901 Hiddenhausen, De | |
DE4234961C2 (en) * | 1992-10-16 | 1996-07-25 | Innova Zug Ag | Process for producing a mold for the production of plastic molded parts |
-
1993
- 1993-07-29 DE DE4325481A patent/DE4325481C2/en not_active Expired - Lifetime
-
1994
- 1994-07-23 CA CA002168267A patent/CA2168267A1/en not_active Abandoned
- 1994-07-23 WO PCT/EP1994/002441 patent/WO1995003928A1/en not_active Application Discontinuation
- 1994-07-23 SK SK129-96A patent/SK12996A3/en unknown
- 1994-07-23 EP EP94924283A patent/EP0713444A1/en not_active Withdrawn
- 1994-07-23 KR KR1019960700408A patent/KR960703716A/en not_active Application Discontinuation
- 1994-07-23 JP JP7505547A patent/JPH09500838A/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0713444A1 (en) | 1996-05-29 |
WO1995003928A1 (en) | 1995-02-09 |
CA2168267A1 (en) | 1995-02-09 |
KR960703716A (en) | 1996-08-31 |
DE4325481C2 (en) | 1996-07-11 |
DE4325481A1 (en) | 1995-02-02 |
JPH09500838A (en) | 1997-01-28 |
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