DE202004007890U1 - Mold clamping unit for a plastic molding machine - Google Patents
Mold clamping unit for a plastic molding machine Download PDFInfo
- Publication number
- DE202004007890U1 DE202004007890U1 DE202004007890U DE202004007890U DE202004007890U1 DE 202004007890 U1 DE202004007890 U1 DE 202004007890U1 DE 202004007890 U DE202004007890 U DE 202004007890U DE 202004007890 U DE202004007890 U DE 202004007890U DE 202004007890 U1 DE202004007890 U1 DE 202004007890U1
- Authority
- DE
- Germany
- Prior art keywords
- leg
- support frame
- clamping unit
- mold clamping
- mold
- 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.)
- Expired - Lifetime
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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
- B29C49/5605—Hydraulically operated, i.e. closing or opening of the mould parts is done by hydraulic means
-
- 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
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
-
- 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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/007—Means for maintaining the press table, the press platen or the press ram against tilting or deflection
-
- 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
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
- B29C2045/1768—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames constructions of C-shaped frame elements
-
- 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
- B29C2045/1784—Component parts, details or accessories not otherwise provided for; Auxiliary operations not otherwise provided for
- B29C2045/1788—Preventing tilting of movable mould plate during closing or clamping
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
- B29C2049/5636—Opening, closing or clamping means using closing means as clamping means
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
- B29C49/28004—Blow-moulding apparatus designed for easy access by operator
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/28—Blow-moulding apparatus
- B29C49/28006—Blow-moulding apparatus having special frame
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/42—Component parts, details or accessories; Auxiliary operations
- B29C49/56—Opening, closing or clamping means
- B29C49/5608—Asymmetric movement of mould parts, e.g. by moving only one mould part
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Formschließeinheit für eine Kunststoffform- und insbesondere für eine Spritzgießmaschine, mit einer feststehenden und einer längsbeweglich geführten Formaufspannplatte, einem die Formaufspannplatten im unteren Plattenbereich im Wesentlichen C-förmig umgreifenden, am einen Schenkelende die bewegliche und am anderen Schenkelende die feststehende Formaufspannplatte abstützenden Tragrahmen sowie mit einem Linearantrieb für die beweglichen Formaufspannplatte mit mindestens einem zwischen dieser und dem einen Schenkelende des Tragrahmens längenverstellbaren Antriebsstrang, dadurch gekennzeichnet, dass mindestens ein weiterer, längenverstellbarer Antriebsstrang (6.3, 6.4; 106.3, 106.4) des Linearantriebs (5) unabhängig von den Tragrahmenschenkeln (9, 11; 109, 111) kraftübertragend im unteren Plattenbereich zwischen den Formaufspannplatten (2, 4; 102, 104) angeordnet ist.Mold clamping unit for a plastic molding machine and in particular for an injection molding machine, with a fixed and a longitudinally movable mold mounting plate, a substantially C-shaped gripping around the mold mounting plates in the lower plate area, the movable on one leg end and supporting the fixed mold mounting plate on the other leg end and with one Linear drive for the movable platen with at least one drive train that is length-adjustable between it and one leg end of the support frame, characterized in that at least one further length-adjustable drive train (6.3, 6.4; 106.3, 106.4) of the linear drive (5) is independent of the support frame legs (9, 11; 109, 111) in the lower plate area between the mold mounting plates (2, 4; 102, 104).
Description
Die Erfindung betrifft eine Formschließeinheit für eine Kunststoftformmaschine und insbesondere für eine Spritzgießmaschine, nach dem Oberbegriff des Patentanspruchs 1 bzw. 2.The invention relates to a mold clamping unit for one Plastic molding machine and in particular for an injection molding machine, according to the preamble of claim 1 or 2.
Bei Formschließeinheiten dieser Art, wie
sie etwa aus der
Aufgabe der Erfindung ist es, eine Formschließeinheit der eingangs genannten Art, also eine solche mit einem unbehinderten Zugang zu dem Raum zwischen den Formaufspannplatten, so auszubilden, dass der Bau- und Gewichtsaufwand ohne Beeinträchtigung der Funktionsweise deutlich reduziert wird.The object of the invention is a Mold closing unit of the type mentioned at the beginning, that is, one with an unhindered Access to the space between the mold platens so as to form that the construction and weight expenditure without impairing the functionality is significantly reduced.
Diese Aufgabe wird erfindungsgemäß durch die im Patentanspruch 1 bzw. 2 gekennzeichnete Formschließeinheit gelöst.This object is achieved by the Mold closing unit characterized in claim 1 or 2 solved.
Erfindungsgemäß werden durch die Anordnung mehrerer, hub- und schließkrafterzeugender Antriebsstränge, von denen mindestens einer im unteren Plattenbereich unmittelbar zwischen den Aufspannplatten und mindestens ein weiterer zwischen dem einen Tragrahmenschenkel und der Rückseite der beweglichen Aufspannplatte im oberen Plattenbereich positioniert ist, die schließkraftbedingten Belastungen und vor allem die Zugbeanspruchungen der Tragrahmenstruktur ganz erheblich, nämlich bei gleich großer Schließkraftaufteilung auf die oberen und unteren Antriebsstränge auf etwa die Hälfte, reduziert und dadurch das Baugewicht und der Herstellungsaufwand für den Tragrahmen als einer der Hauptkomponenten der Schließeinheit wesentlich verringert. Gleichzeitig lässt sich durch entsprechend abgestimmte Steuerung der oberen und unteren Antriebsstränge auf einfache Weise eine parallele Ausrichtung der Aufspannplatten und eine variable, also erforderlichenfalls auch unsymmetrische Schließkraftverteilung an den Formwerkzeughälften erzielen, wie dies sonst nur bei herkömmlichen 4-Holm-Schließeinheiten ohne freien Zugang des Plattenzwischenraums möglich ist. Wahlweise, vorzugsweise aber zusätzlich, sind der oder die Antriebsstränge, die zwischen dem Tragrahmen und der Rückseite der beweglichen Aufspannplatte angeordnet sind, auf Seiten des Tragrahmens unmittelbar an die Tragrahmenschenkel angeschlossen, so dass eine gesonderte Abstützplatte zur Einleitung der Schließ-Reaktionskräfte in die C-förmige Tragrahmenstruktur entfällt und somit eine Freiraum-Schließeinheit in 2-Platten-Bauweise erhalten wird.According to the arrangement several powertrains that generate lifting and closing force, from which at least one in the lower plate area immediately between the platen and at least one more between the one Support frame legs and the back of the movable platen positioned in the upper plate area is the closing force-related Loads and especially the tensile loads on the supporting frame structure quite considerably, namely at the same size Closing force Distribution to about half of the upper and lower drive trains and thereby the construction weight and the manufacturing costs for the support frame significantly reduced as one of the main components of the clamping unit. Leaves at the same time by appropriately coordinated control of the upper and lower powertrains parallel alignment of the clamping plates in a simple manner and a variable, if necessary also asymmetrical Closing force distribution on the mold halves achieve, as is otherwise only the case with conventional 4-rail clamping units is possible without free access to the space between the plates. Optionally, preferably but additionally, are the drive train (s), between the support frame and the back of the movable platen are arranged on the side of the support frame directly to the support frame legs connected so that a separate support plate to initiate the closing reaction forces in the C-shaped No supporting frame structure and thus a free space clamping unit in 2-plate construction is obtained.
Als Linearantrieb werden anstelle von elektromechanischen, also etwa Spindeltrieb- oder Kniehebelmechanismen aus Gründen einer einfacheren Bau- und Steuerungsart hydraulische Kolben-Zylindereinheiten bevorzugt, wobei die die Aufspannplatten im unteren Plattenbereich unmittelbar miteinander verbindenden Kolben-Zylindereinheiten zusätzlich zur Hub- und Schließkrafterzeugung auch zur Längsführung der beweglichen Aufspannplatte beitragen.As a linear actuator instead of electromechanical, i.e. spindle drive or toggle lever mechanisms for reasons a simpler type of construction and control hydraulic piston-cylinder units preferred, the clamping plates in the lower plate area piston-cylinder units directly connecting to each other in addition to Generation of lifting and closing force also for longitudinal guidance of the movable platen.
Damit Verformungen des Tragrahmens unter den wenn auch stark verringerten Tragrahmenbelastungen ohne Verlust der Parallelität der Aufspannplatten selbsttätig ausgeglichen werden, ist der Tragrahmen, wie an sich bekannt, in besonders bevorzugter Weise als unabhängig vom Maschinenbett schließkraftübertragende und auf diesem über ein Loslager abgestützte Tragrahmenstruktur ausgebildet. In diesem Fall ist das Loslager zweckmäßigerweise in einer im Wesentlichen senkrecht zur Hubrichtung der beweglichen Aufspannplatte und durch den rahmenseitigen Befestigungspunkt des oder der zwischen dieser und dem Tragrahmenschenkel angeordneten Antriebsstränge verlaufenden Ebene positioniert, um den Einfluss der Verformungen des Tragrahmens auf die gegenseitige räumliche Zuordnung der einzelnen Baukomponenten der Schließeinheit möglichst gering zu halten.So that deformations of the support frame under the albeit greatly reduced load on the frame without Loss of parallelism the clamping plates automatically are balanced, the support frame, as known per se, in particularly preferably as a force transmitting the closing force independently of the machine bed and on this over a floating bearing supported Support frame structure formed. In this case, the floating bearing expediently in a substantially perpendicular to the direction of stroke of the movable Platen and through the frame-side attachment point of the or arranged between this and the support frame leg powertrains trending plane positioned to the influence of the deformations of the support frame on the mutual spatial assignment of the individual Components of the clamping unit if possible to keep low.
Die Erfindung wird nunmehr anhand zweier Ausführungsbeispiele in Verbindung mit den Zeichnungen näher erläutert. Es zeigen in stark schematisierter Darstellung:The invention is now based on two embodiments explained in connection with the drawings. It show in a highly schematic Presentation:
Die in den
Die vier hub- und schließkrafterzeugenden Kolben-Zylindereinheiten
Im Betrieb werden die hydraulischen
Kolben-Zylindereinheiten
Nach
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE202004007890U DE202004007890U1 (en) | 2003-07-05 | 2004-05-15 | Mold clamping unit for a plastic molding machine |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10330513A DE10330513A1 (en) | 2003-07-05 | 2003-07-05 | Closure unit for C-frame plastics injection molding machines includes further linear drives in lower region of mold platens |
| DE10330513.0 | 2003-07-05 | ||
| DE202004007890U DE202004007890U1 (en) | 2003-07-05 | 2004-05-15 | Mold clamping unit for a plastic molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE202004007890U1 true DE202004007890U1 (en) | 2004-08-19 |
Family
ID=32892464
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10330513A Withdrawn DE10330513A1 (en) | 2003-07-05 | 2003-07-05 | Closure unit for C-frame plastics injection molding machines includes further linear drives in lower region of mold platens |
| DE202004007890U Expired - Lifetime DE202004007890U1 (en) | 2003-07-05 | 2004-05-15 | Mold clamping unit for a plastic molding machine |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE10330513A Withdrawn DE10330513A1 (en) | 2003-07-05 | 2003-07-05 | Closure unit for C-frame plastics injection molding machines includes further linear drives in lower region of mold platens |
Country Status (2)
| Country | Link |
|---|---|
| AT (1) | AT7737U1 (en) |
| DE (2) | DE10330513A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110496957B (en) * | 2019-09-06 | 2021-04-09 | 相入松 | Plummet clapper die spotting press |
| CN110496956B (en) * | 2019-09-06 | 2021-04-09 | 相入松 | An automatic mold clamping machine for fishing nets |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2132760T3 (en) * | 1994-12-20 | 1999-08-16 | Krauss Maffei Ag | MOLD CLOSING DEVICE FOR A PLASTIC MOLDING MACHINE, ESPECIALLY AN INJECTION MOLDING MACHINE. |
| DE29919086U1 (en) * | 1999-10-29 | 2000-06-21 | Sayer, Richard Lionel, Lymington, Hampshire | Injection molding and die casting machines |
-
2003
- 2003-07-05 DE DE10330513A patent/DE10330513A1/en not_active Withdrawn
-
2004
- 2004-05-15 DE DE202004007890U patent/DE202004007890U1/en not_active Expired - Lifetime
- 2004-05-26 AT AT0037704U patent/AT7737U1/en not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE10330513A1 (en) | 2005-01-27 |
| AT7737U1 (en) | 2005-08-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R207 | Utility model specification |
Effective date: 20040923 |
|
| R156 | Lapse of ip right after 3 years |
Effective date: 20071201 |