EP2212083A1 - Spritzeinheit mit einem kräfteaufnehmenden geschlossenen system - Google Patents
Spritzeinheit mit einem kräfteaufnehmenden geschlossenen systemInfo
- Publication number
- EP2212083A1 EP2212083A1 EP08840963A EP08840963A EP2212083A1 EP 2212083 A1 EP2212083 A1 EP 2212083A1 EP 08840963 A EP08840963 A EP 08840963A EP 08840963 A EP08840963 A EP 08840963A EP 2212083 A1 EP2212083 A1 EP 2212083A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side walls
- injection unit
- unit
- injection
- trusses
- 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.)
- Withdrawn
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
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/04—Frames; Guides
-
- 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
- B29C2045/1797—Machine parts provided with a shroud or cover or shield, e.g. for preventing oil or dust scattering
Definitions
- the invention relates to an injection unit for an injection molding machine.
- Injection molding machines are known in many embodiments from the prior art and usually have to transmit the force generated by a closing mechanism four cylindrical spars.
- the disadvantage of this is that these spars are located within the space between the mold platens and therefore limit the size of the molds.
- tie-bar less injection molding machines in which the closing mechanism and the tool clamping plates are arranged in a C-shaped machine frame.
- Such a barless injection molding machine is described for example in AT 391 293 B.
- the advantage of such a barless injection molding machine namely the easier accessibility of the space between the platens, is offset by the disadvantage that the machine frame of such an injection molding machine must be executed in a costly solid construction in order to prevent bending of the legs of the machine frame under the action of the closing force , At the same time complicated mechanisms are required to ensure the required parallelism between the platens.
- An object of the present invention is to provide an injection unit which does not have the above-mentioned disadvantages.
- Injection molding machine solved. Thereafter, the injection unit on a frame with at least two side walls and the side walls interconnecting trusses, wherein the frame forms a closed system such that it receives the forces applied by the injection unit forces.
- both two separate racks in the above embodiment, as well as a common frame for closing and injection unit can be used.
- one of the core ideas of the invention is not to divert the forces acting in the injection molding machine through bars, but rather through a closed system in the form of a frame.
- the term "closed system" in this context means on the one hand that the frame is not an open, for example C-shaped frame or the like, and on the other hand that during operation of the machine by the clamping unit and / or the injection unit introduced forces are substantially completely absorbed by the frame and therefore no or only a comparatively very low transmission of these forces in the machine bed or the machine frame is done thus serves only to support the closed system and therefore must be significantly less massive and torsionally rigid and executed in less high quality work, which reduces the overall cost of the injection molding machine.
- the closing or injection unit can thus be used with almost any machine bed.
- Injection molding machine four bars, especially the even force distribution, unite.
- an injection molding machine in which the space between the platens is fully usable. Another advantage is that the forwarding of the closing or spraying force does not take place over the machine frame. The forces are kept in the closed system. A bending of the closed system, as was the case with a C-frame, is excluded. Compared with other solutions, the invention is also characterized by the fact that the parallelism of the tool platens is guaranteed without additional mechanisms.
- the frame of the closing or the injection unit preferably consists of two side walls. Between the side walls traverses in any number are distributed so that a closed system to absorb the forces of Schschaught. Injection unit results.
- Any attachment of trusses between the side walls is a very flexible stabilization of the frame and an adaptation to different machine parameters possible.
- the trusses can have different lengths, so that the frame width can be varied.
- the force is introduced into the side walls, for example via bolts or wedges, which serve to connect the trusses with the side wall.
- the force of the closing or injection unit is then taken up between the trusses and distributed in the closed system (sidewalls with trusses).
- the traverses are preferably arranged symmetrically. The entire system thus absorbs the forces of the closing or injection unit and, in the interaction of side walls and trusses, gives the system the required elasticity, which is necessary for the build-up of force, as in the case of a
- the side walls and / or the traverses at the same time carry the mass forces of some or all of the moving parts of the closing unit and / or the injection unit, for what purpose on the side walls and / or the traverses holding, guiding and / or fastening elements intended for these parts.
- the side walls and / or the trusses serve not only to absorb the forces of the injection and / or closing unit, but also as supporting elements for essential parts of the injection molding machine, in particular the movable and the fixed
- the injection molding machine comprises a fixed platen and a movable
- Tool clamping plate for receiving the mold halves, wherein the movable platen is translationally driven by means of a drive.
- the drive may be the closing mechanism or a separate rapid traction drive.
- Closing unit applied forces it has proved to be particularly advantageous if the fixed platen and the supporting element of the drive are firmly connected to the side walls of the frame such that the closing force of the closing unit is passed through the closed system on the fixed platen.
- the side walls serve not only for transmitting the closing forces, but at the same time for guiding the movable platen.
- the platens and all the drive components of the clamping unit is a self-contained system for power.
- the drive of the closing mechanism of the closing unit can also be moved by means of such guides. Is also a recording of forces of the injection unit provided by the frame, then the machine is preferably designed such that the mobile injection unit of the injection unit is received between the side walls.
- the side walls are preferably attached directly to the fixed platen to initiate the nozzle contact force. This prevents the nozzle contact force from tilting the fixed
- Tool clamping plate caused.
- the frame is designed solely for receiving the forces of the closing unit, solely for receiving the forces of the injection unit or for absorbing the forces of both units, the following embodiments have proven successful.
- the side walls essentially determine the external appearance of the machine. They are preferably designed such that they form a protective covering for the closing and or the injection unit and usually Substantially completely replace the mudguards used. Thus, the use of additional cladding elements is almost or completely unnecessary. If, nevertheless, further cladding elements are needed, for example, smaller additional sheets, they can be mounted very easily and inexpensively.
- the protective lining of the closing or injection unit serves to absorb the forces and to form a closed system.
- window-like openings are arranged in the side walls in the area of the tool space of the closing unit and / or in the region of the nozzle space of the injection unit, easy access into the tool space or nozzle space is made possible without thereby impairing the functionality of the frame, in particular its force-absorbing and mass-force carrying function is impaired.
- the height of the window openings preferably corresponds to the height of the clamping plates, so that the access thereto greatly simplified. The elimination of the spars also a very simple installation and removal of injection molds between the side walls up and down and to the side is possible.
- the doors are therefore directly connected to the side walls and it requires no additional holding or mounting frame. If the protective doors are movably fastened to a side wall, preferably using a guide arranged on the side walls, then the opening or closing of the window-like openings can not only be particularly simple, but at the same time also very safe and reliable. Instead of the doors Openings can also be provided viewing window. Doors and viewing windows can also be attached to the trusses, so that a machine unit that is almost completely closed outside the side walls can be created.
- FIG. 1 shows a first embodiment of the invention with a closing unit
- FIG. 2 shows the clamping unit of FIG. 1 in a cross section before the drive for the locking mechanism
- FIG. 3 shows a further embodiment of the invention with a closing unit
- FIG. 4 shows a mounting unit of side walls and consoles, as used in the embodiment shown in FIG. 3, FIG.
- Fig. 5 is a closing unit according to another embodiment of the invention with internal
- FIG. 6 shows the closing unit from FIG. 5 in a cross section between the platens, FIG.
- Fig. 7 shows another embodiment of the invention with an injection unit
- FIG. 8 shows an injection molding machine with a closing unit according to the invention and an injection unit according to the invention.
- the closing unit 100 of an injection molding machine shown in Fig. 1 shows a front and rear side wall 1.
- the side walls 1 have the shape of upright plates and extend substantially over the entire length of the clamping unit 100.
- the side walls 1 are directly connected to a fixed platen 2 and a receiving console 3 for the locking mechanism 4 by means of bolts 15 and other stiffening brackets 5 connected.
- the locking mechanism 4 is a toggle locking mechanism with a drive 12.
- the stiffening brackets 5 serve as trusses (struts) and form with the side walls 1, the frame according to the invention for the closing unit, which receives the entire power flow in the closing force build or transmits.
- the frame lies with the side walls 1 on the machine bed 11 of
- the side walls 1 also serve as protective cover.
- guide rails 6 are fixed in the machine longitudinal direction on which guide carriage 7 move.
- the carriage 7 take a movable platen 8, a tool height adjustment 9 and an abutment 10 for the locking mechanism 4.
- the guide rails can also be arranged on each side wall 1 in pairs (top and bottom).
- the drive 12 for the locking mechanism 4 via guide carriage 7 is mounted on guide rails 6 slidably.
- pairs of guide rails top and bottom may be provided.
- Force introduction console 14 and bolt 15 form a mounting unit.
- the fixed tool clamping plate 2 is fixedly connected to the force introduction brackets 14. This arrangement has the advantage that side walls 1 and 5 consoles and force introduction panels 14 form a preassembled unit and the fixed platen 2 for the plate parallelism adjustable to the
- the assembly unit shown in Fig. 4 consists of the side walls 1 with the fixed by bolts 15 receiving console 3, the stiffening brackets 5 and the force introduction brackets fourteenth
- the two embodiments described above are thus characterized on the one hand by the fact that the side walls 1 via bolts 15 or wedges with trusses or brackets 3, 5, 14 and / or the stationary platen 2 and with the supporting element of the locking mechanism 4, 13 together result in a closed system in which the closing forces are absorbed.
- the side walls also carry the inertial forces of the moving parts of the clamping unit 100.
- machined surfaces and holes are provided on the inner sides of the side walls 1.
- the arrangement of the side walls 1 left and right next to the stationary platen 2 ensures that the space is fully usable for the mold to the movable platen 8.
- the side walls 1 For accessibility to the tool room, the side walls 1 corresponding openings 20.
- further openings for the assembly of the locking mechanism 4, 13 are provided.
- the side walls 1 need not be continuous plate-shaped for their use as part of the closed system, but may also have openings.
- the side walls 1 are provided with openings such that they each comprise, in addition to a front and a rear vertical strut 21, an upper and a lower horizontal strut 22.
- the side walls 1 form a frame with the trusses, which realizes the principle of the closed system, the side walls 1 but also have a different shape.
- the side walls 1 need not be limited to the shape of a frame.
- T-shaped side walls are possible, which are composed of a vertical and a horizontal strut.
- On the outer sides of the side walls 1 frame 16 are mounted for safety doors 17 for the tool room.
- linear guides 18 can be used.
- the guard doors can also run in linear guides 18 that are directly attached to the insides of the side walls. Such an embodiment is shown in FIGS. 5 and 6. At the upper edges of the side walls 1 more linear guides 18 are also provided, in which
- Sliding doors 19 are kept movable.
- openings 20 in the form of viewing windows are provided in the side walls, which are covered by removable lenses or sheets or provided with sliding protective doors.
- the protective doors 17 may be coupled with each other or with the sliding doors 19, so that a common operation is possible.
- the injection unit 101 which is connected directly to the stationary platen 2, has a mobile injection unit 23, which opens through the fixed 2 platen in the mold.
- the injection unit 101 shown in Fig. 7 shows a front and rear side wall 1, which directly with the stationary platen 2 and trusses 5 are connected.
- guides 1 are provided on the side walls, as described above in connection with the attachment of the movable platen 8 on the frame for the clamping unit 100.
- 1 guide rails 6 are fixed to the inner sides of the side walls, the guide carriage 7 receive the injection unit 23 with the plasticizing unit 24.
- the side walls 1 rest on the machine bed 11 of the injection unit 101 and are symmetrical by connecting bolts 15 with the fixed
- Tool clamping plate 2 coupled.
- the connecting pins 15 are arranged so that the applied via a pull or push rod 25 nozzle contact force does not allow tilting of the fixed platen 2.
- On the outsides of the side walls 1 frame 16 for nozzle chamber doors 17 are arranged.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200710050689 DE102007050689B4 (de) | 2007-10-22 | 2007-10-22 | Spritzgießmaschine mit einem kräfteaufnehmenden geschlossenen System und Schließeinheit für eine Spritzgießmaschine |
PCT/EP2008/008913 WO2009053036A1 (de) | 2007-10-22 | 2008-10-22 | Spritzeinheit mit einem kräfteaufnehmenden geschlossenen system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2212083A1 true EP2212083A1 (de) | 2010-08-04 |
Family
ID=40289256
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08840963A Withdrawn EP2212083A1 (de) | 2007-10-22 | 2008-10-22 | Spritzeinheit mit einem kräfteaufnehmenden geschlossenen system |
EP08842125.0A Active EP2212085B1 (de) | 2007-10-22 | 2008-10-22 | Spritzgiessmaschine mit einem kräfteaufnehmenden geschlossenen system |
EP08841848.8A Active EP2212084B1 (de) | 2007-10-22 | 2008-10-22 | Spritzgiessmaschine mit schutzverkleidung |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08842125.0A Active EP2212085B1 (de) | 2007-10-22 | 2008-10-22 | Spritzgiessmaschine mit einem kräfteaufnehmenden geschlossenen system |
EP08841848.8A Active EP2212084B1 (de) | 2007-10-22 | 2008-10-22 | Spritzgiessmaschine mit schutzverkleidung |
Country Status (6)
Country | Link |
---|---|
EP (3) | EP2212083A1 (de) |
JP (3) | JP5065497B2 (de) |
CN (3) | CN101903156B (de) |
CA (3) | CA2703310A1 (de) |
DE (2) | DE102007063653B4 (de) |
WO (3) | WO2009053036A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102009044506B4 (de) * | 2009-11-12 | 2014-05-28 | Zhafir Plastics Machinery Gmbh | Düsenanpressvorrichtung einer Spritzgiessmaschine |
CN103331939B (zh) * | 2013-07-03 | 2015-02-25 | 宜兴市格兰特干燥浓缩设备有限公司 | 一种可清理物料用螺旋挤干机进料箱 |
JP6466227B2 (ja) * | 2015-03-31 | 2019-02-06 | 住友重機械工業株式会社 | 射出成形機 |
JPWO2022210272A1 (de) * | 2021-03-29 | 2022-10-06 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2569609B3 (fr) * | 1984-09-06 | 1987-02-20 | Colin Philippe | Presse et outil a former les tubes |
AT391293B (de) | 1987-10-09 | 1990-09-10 | Engel Gmbh Maschbau | Spritzgiessmaschine |
US5017121A (en) * | 1987-12-30 | 1991-05-21 | Karl Hehl | Injection molding machine comprising a protective covering |
EP0504580A3 (en) * | 1991-03-20 | 1993-02-03 | H.A. Schlatter Ag | Press device and flash butt-welding machine equipped with such a device |
DE4313473C2 (de) * | 1993-03-20 | 1996-12-19 | Karl Hehl | Schließeinheit für eine Spritzgießmaschine |
JPH0760812A (ja) * | 1993-08-25 | 1995-03-07 | Fanuc Ltd | 電動式射出成形機の型締め装置 |
US5650182A (en) * | 1994-06-14 | 1997-07-22 | Hemscheidt Maschinentechnik Schwerin Gmbh & Co. | Barless mold closing device for injection molding machines |
JPH08215826A (ja) * | 1995-02-17 | 1996-08-27 | Ube Ind Ltd | 型締装置の型厚調整装置 |
JPH08252850A (ja) * | 1995-03-17 | 1996-10-01 | Japan Steel Works Ltd:The | 射出成形機の安全ドア装置 |
DE20213992U1 (de) * | 2001-09-11 | 2002-12-05 | Engel Gmbh Maschbau | Spritzgießmaschine |
EP1458542A1 (de) * | 2001-12-27 | 2004-09-22 | Billion S.A. | Holmlose spritzgiesspresse |
JP3725074B2 (ja) * | 2002-01-08 | 2005-12-07 | 本田技研工業株式会社 | 簡易成形装置 |
JP2004007952A (ja) * | 2002-03-29 | 2004-01-08 | Toshiba Mach Co Ltd | リニアモータと、リニアモータを用いた電動射出成形機 |
JP2003291173A (ja) * | 2002-03-29 | 2003-10-14 | Toshiba Mach Co Ltd | 射出成形機 |
WO2004082916A2 (en) * | 2003-03-17 | 2004-09-30 | Manufacturing Technologies International Corporation | Rotary injection molding apparatus and method for use |
US20060145396A1 (en) * | 2003-07-08 | 2006-07-06 | Sumitomo Heavy Industries, Ltd | Drive device for injection molding machine and molding method |
CN100522554C (zh) * | 2006-10-07 | 2009-08-05 | 金孝禹 | 圆盘式塑料注射成型机 |
-
2007
- 2007-10-22 DE DE102007063653A patent/DE102007063653B4/de not_active Expired - Fee Related
- 2007-10-22 DE DE102007063654A patent/DE102007063654B4/de active Active
-
2008
- 2008-10-22 JP JP2010530328A patent/JP5065497B2/ja active Active
- 2008-10-22 WO PCT/EP2008/008913 patent/WO2009053036A1/de active Application Filing
- 2008-10-22 CA CA2703310A patent/CA2703310A1/en not_active Abandoned
- 2008-10-22 CN CN200880121415.7A patent/CN101903156B/zh active Active
- 2008-10-22 JP JP2010530335A patent/JP5065498B2/ja active Active
- 2008-10-22 EP EP08840963A patent/EP2212083A1/de not_active Withdrawn
- 2008-10-22 CN CN200880121427.XA patent/CN101903157B/zh active Active
- 2008-10-22 JP JP2010530327A patent/JP5065496B2/ja active Active
- 2008-10-22 CA CA2703321A patent/CA2703321C/en active Active
- 2008-10-22 WO PCT/EP2008/008912 patent/WO2009053035A1/de active Application Filing
- 2008-10-22 WO PCT/EP2008/008929 patent/WO2009053045A1/de active Application Filing
- 2008-10-22 CN CN200880121414.2A patent/CN101903155B/zh active Active
- 2008-10-22 CA CA2703330A patent/CA2703330C/en active Active
- 2008-10-22 EP EP08842125.0A patent/EP2212085B1/de active Active
- 2008-10-22 EP EP08841848.8A patent/EP2212084B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2009053036A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2009053036A1 (de) | 2009-04-30 |
CN101903156B (zh) | 2015-05-20 |
CA2703330C (en) | 2013-09-10 |
JP5065496B2 (ja) | 2012-10-31 |
DE102007063653B4 (de) | 2011-01-27 |
CA2703330A1 (en) | 2009-04-30 |
DE102007063654B4 (de) | 2011-01-27 |
WO2009053035A1 (de) | 2009-04-30 |
DE102007063654A1 (de) | 2009-04-23 |
WO2009053045A1 (de) | 2009-04-30 |
JP2011500381A (ja) | 2011-01-06 |
EP2212085A1 (de) | 2010-08-04 |
JP2011501709A (ja) | 2011-01-13 |
CA2703321C (en) | 2014-01-14 |
EP2212084A1 (de) | 2010-08-04 |
CN101903157B (zh) | 2015-02-18 |
CA2703321A1 (en) | 2009-04-30 |
CN101903155A (zh) | 2010-12-01 |
CN101903157A (zh) | 2010-12-01 |
EP2212084B1 (de) | 2014-03-05 |
JP5065497B2 (ja) | 2012-10-31 |
DE102007063653A1 (de) | 2009-04-30 |
CN101903155B (zh) | 2015-02-18 |
CN101903156A (zh) | 2010-12-01 |
EP2212085B1 (de) | 2018-07-18 |
CA2703310A1 (en) | 2009-04-30 |
JP2011500380A (ja) | 2011-01-06 |
JP5065498B2 (ja) | 2012-10-31 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: RABE, HANS Inventor name: ISSEL, DIRK Inventor name: FRITZLAR, VOLKER Inventor name: MEYER, JOERG Inventor name: FENSTERER, ANDREAS Inventor name: FRANZ, STEFFEN |
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Effective date: 20170602 |