CN104416844A - Closing unit for molding machine - Google Patents
Closing unit for molding machine Download PDFInfo
- Publication number
- CN104416844A CN104416844A CN201410431467.1A CN201410431467A CN104416844A CN 104416844 A CN104416844 A CN 104416844A CN 201410431467 A CN201410431467 A CN 201410431467A CN 104416844 A CN104416844 A CN 104416844A
- Authority
- CN
- China
- Prior art keywords
- bearing support
- closing unit
- frame
- deformation
- mold cramping
- 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.)
- Granted
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
- 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
-
- 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
- B29C45/66—Mould opening, closing or clamping devices mechanical
- B29C45/661—Mould opening, closing or clamping devices mechanical using a toggle mechanism for mould 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
- 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
- B29C2045/1765—Machine bases
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A closing unit for molding machine comprises a rack (2) and a movable mold clamping plate (3) having at least one bearing support (9). The frame has at least one side plate (4), on which at least one guide support (6) is fixed. The at least one bearing support (9) can be linearly movably supported on the guide support (6) along a machine axis (X). The at least one the guide support (6) constitutes a deformable element (10). The deformable element is configured to be more flexible than the at least one bearing support (9) in a horizontal deforming direction (Z) transverse to the machine axis (X), and the force led into the force leading rack (2) under a closing force through the deformation of the movable mold clamping plate (3) and/or a fixed mold clamping plate (5) is compensated at least partially through deformation.
Description
Technical field
The present invention relates to a kind of closing unit of forming machine of feature of the preamble according to claim 1 and a kind of forming machine with such closing unit.
So-called forming machine should be understood to a kind of injection moulding machine, a kind of die casting machine, a kind of forcing press or similar machine here.Following often with reference to injection moulding machine for the sake of simplicity, the statement wherein in the description of prior art is also applicable for general forming machine.
Background technology
In the research and development of the closing unit of injection moulding machine, main focus is the guiding accuracy of moveable mold cramping plate, because this especially significantly affects the plate depth of parallelism and therefore product quality.In the process in order to the guiding of moveable mold cramping plate uses accurate linear guide, such as has the linear guide of roller chain.
But this consequence produced is that each mold cramping plate caused due to closing forces and the distortion of frame cause linear guide transverse to the load a lot of by force of machine axis.
The mechanism of this situation is caused to sketch when having the closing unit of four crossbeams.Between two mold cramping plates, transmit closing forces by crossbeam, this causes the distortion of mold cramping plate.Connect because fixing mold cramping plate and frame are stubborn, so also cause the distortion of frame and particularly its each side plate.
Similar process occurs on moveable mold cramping plate, and this causes the bearing support of mold cramping plate and the distortion of guide boot.Therefore occur such situation, each side plate of its mid frame is subject to two kinds of different deformation effects, and it is bending substantially on the one hand and is each torsion on the other hand, and they have different but parallel axis and different direction of rotation.As a result the system of whole description be in heavily stressed under.
Tolerate so heavily stressed and provide the linear guide of required precision to be not operational at present simultaneously.In order to stop to linear guide, particularly travelling carriage or rolling element by so heavily stressed damage caused, compensate by the support of the special formation of moveable mold cramping plate or guide rail the distortion occurred.To this see such as DE 41 41 259 A1 or DE 10 2,011 104 535 B3.The two kinds of solutions introduced in those references are pretty troublesome.
Rigidity of on the contrary frame formation being tried one's best.This seems to guarantee the correct location of mold cramping plate.Look to the plate depth of parallelism, the centering of the opposing party's panel on the one hand for this reason, the skew that may occur at Ge Ban center is kept as far as possible small.
Summary of the invention
The object of the invention is, there is provided a kind of closing unit of forming machine and a kind of forming machine with the closing unit of such type, their allow on the one hand the accurate guiding of moveable mold cramping plate and are durable on the other hand and not too intricately is formed.
The closing unit having a feature of claim 1 by a kind of and a kind of forming machine with the feature of claim 6 reach this object.
This is configured to deformation element realize by least one guide type shoe described, this deformation element is configured to more flexible than at least one guide boot described on the deformation direction of the level transverse to machine axis, and those under closing forces by the distortion of moveable mold cramping plate and/or fixing mold cramping plate and the power imported in frame at least in part by deformation-compensated.Therefore can not only each guide boot, and framework, be used to bear distortional stress and power by the structure of flexibility.A basic idea of the present invention is, can form the framework of closing unit like this, and namely this framework makes flexible reaction to the load produced by closing forces, and provides high rigidity to the load that the gravity by moveable mold cramping plate produces.
The present invention not only with linear guide but also can use with slide guide device.
Favourable form of implementation of the present invention is described in each dependent claims.
By not only guide type shoe, and each side plate is configured to the reinforcement that deformation element can reach deformation-compensated together with guide type shoe.
By bearing support and guide type shoe for around vertical axis each bending for the ratio of plane the moment of inertia be between 2 and 15, preferably between 5 and 10, can structurally be easy to reach favourable effect of the present invention.
Equivalent stiffness along deformation direction forms another standard.Can setting in this respect, along the equivalent spring rigidity of trying to achieve when lacking bearing support during the load in the direction of deformation direction, there is the ratio of 5 to 15, preferably 8 to 12 and particularly preferably 9 to 11 along the equivalent spring rigidity of trying to achieve when lacking frame during the load in the direction of deformation direction with in frame at bearing support.
Accompanying drawing explanation
Of the present invention other advantage and details to describe by each figure and affiliated figure thereof be apparent.Wherein:
Fig. 1 a according to the top view of closing unit of the present invention under closing forces,
The view of the frame of the closing unit of Fig. 1 b Fig. 1 a,
The closing unit of Fig. 1 c Fig. 1 a with the sectional view of looking to moveable horizontal tool clamping plate,
The undeformed perspective view according to framework of the present invention of Fig. 2,
The side plate of Fig. 3 framework and be positioned at the sectional view of bearing support under undeformed state of top,
The view that Fig. 4 and Fig. 3 is corresponding, wherein illustrates the definition of equivalent stiffness,
Fig. 5 a according to the perspective view of closing unit of the present invention under the state of being out of shape by experiment, wherein not shown fixing mold cramping plate,
The detail drawing of Fig. 5 b Fig. 5 a and
Fig. 6 side plate is together with the side view of the bottom of linear guide, bearing support and moveable mold cramping plate.
Detailed description of the invention
Calculate by means of digital simulation and the distortion shown in each figure is shown turgidly, because these are out of shape otherwise are unrecognizable.Typical distortion is in the order of magnitude of one of percentage millimeter when the mechanical parameter of the maximum closing forces of 500KN to 1000KN.In addition except in figure 3, each linear guide is concealed.This contributes to very clear.
First frame 2, moveable mold cramping plate 3 and fixing mold cramping plate 5 can be seen in fig 1 a.Each mold halves 11 of injection forming mold is set between mold cramping plate 3,5.
Frame 2 has two side plates 4, and side plate arranges each guide type shoe 6.Each side plate 4 is configured to deformation element 10 together with each guide type shoe 6 in this embodiment.
As found out by Fig. 1 a, the distortion of the symmetry of each deformation element 10 of appearance is no problem for each mold halves 11 mutually location.Also can find out, the bearing support 9 of traditional design must stand less distortion.
Because these distortion also only occur under closing forces, thus these distortion when closing unit opens and closes at moveable mold cramping plate 3 along in machine axis X moving process not being obstruction.
Fig. 1 b corresponds essentially to the view of Fig. 1 a, wherein not shown mold cramping plate 3,5.Here can find out how the major part of the distortion of frame 2 is imported in each side plate 4 of frame 2 actually by fixing mold cramping plate 5.In the summary by Fig. 1 a and Fig. 2, the mode of action of the present invention is apparent.By the flexibility of the side of the raising of frame 2, frame can not only adapt to the deformation effect transmitted by guide type shoe 9 and linear guide 12 of the mold cramping plate 5 fixed and moveable mold cramping plate 3.In other words, each guide type shoe 9 and each linear guide 12 is made to be convenient to being close in frame 2.This is impossible in the prior art, and this produces the more complicated structure of plate supporting.
Fig. 1 c be perpendicular in the plane of machine axis to the sectional view that moveable mold cramping plate 3 is observed.Further illustrate the distortion occurred under closing forces here.Particularly the distortion of the distortion of each deformation element 10 experience and the less degree of each bearing support 9 experience is obvious in this view.
In order to compared with undeformed state, the perspective view of frame 2 is shown at Fig. 2, as state this when not setting up closing forces.Can find out, the assembly 15 being provided with fixing mold cramping plate 5 is thereon configured to obviously thicker than remaining side plate 4.Reach a part for the side flexibility of the raising of each deformation element 10 in such a way.
Also can find out each connection check rod 8 in figure 1 c, each bearing support 9 is connected (also seeing Fig. 3) with moveable mold cramping plate 3 by described connection check rod.
Frame 2 is Welding Structures in this embodiment.Alternatively guide type shoe 6 also can be twisted (such as by casting) that connect or be mutually integrally formed with side plate 4.
Fig. 4 is for illustration of several important parameter related to the present invention, and it is equivalent spring rigidity C on the one hand
1and C
2.They are schematically represented by spring.Equivalent spring rigidity is determined respectively by the load of bearing support 9 or guide type shoe 6 when lacking other element and when measuring the distortion produced.Load realizes to the right in the view in this direction along z axis.
Certainly can by means of digital simulation determination equivalent spring rigidity C
1and C
2.The result of such simulation is shown in Fig. 5 a and 5b.
The ratio of each equivalent spring rigidity is between 5 and 15, preferably between 8 and 12 and particularly preferably between 9 and 11.This is specially adapted to the forming machine of the maximum closing forces had between 500kN and 1000kN.For significantly different mechanical parameters, these ratios can be changed.In any case can find out by simulation the ratio matched in specific situation for professional.
That each guide type shoe 6 and each bearing support 9 are about the bending plane the moment of inertia around Y-axis line for other important parameter of object of the present invention.
Here also due to the not shown each crossbeam of clear reason, they guide in moveable mold cramping plate actually by each aperture 7.Also not shown fixing mold cramping plate 5, can illustrate the situation between each bearing support 9 and each deformation element 10 of moveable mold cramping plate 3 exactly.
Fig. 5 b illustrates a detail drawing of Fig. 5 a, a part for a deformation element 10 be made up of side plate 4 and a guide type shoe 6 shown in it and bearing support 9 and moveable mold cramping plate 3.Not only in fig 5 a but also in figure 5b not shown linear guide itself, and each guide type shoe 6 and each bearing support 9 are only shown.
Can find out in addition, deformation element 10 is out of shape more strongly than each bearing support 9.This occurs under importing the impact of the distortion in each side plate 4 of framework from fixing mold cramping plate 5.
Fig. 6 illustrates the side view of guide type shoe 6 and bearing support 9.Two application point A and B are also shown.Can reduce significantly to be applied to the cross force on each linear guide by the present invention.
Particularly in the injection moulding machine with maximum closing forces 500kN to 1000kN, reduce 2/3rds by can reach cross force on these two application point A and B according to frame of the present invention.By such reduction, even if also accurate linear guide can be used when using traditional plate to support.
Claims (6)
1. the closing unit for forming machine, comprise frame (2) and there is the moveable mold cramping plate (3) of at least one bearing support (9), this frame has at least one side plate (4), described side plate is fixed at least one guide type shoe (6), and described at least one bearing support (9) is bearing on guide type shoe (6) along machine axis (X) movably linearly; It is characterized in that, described at least one guide type shoe (6) is configured to deformation element (10), this deformation element is configured to more flexible than described at least one bearing support (9) on the deformation direction (Z) of the level transverse to machine axis (X), and those under closing forces, by the distortion of moveable mold cramping plate (3) and/or fixing mold cramping plate (5), the power that imports to imports power in frame (2) at least in part by deformation-compensated.
2. according to closing unit according to claim 1, it is characterized in that, described at least one side plate (4) is configured to deformation element (10) together with described at least one guide type shoe (6).
3. according to the closing unit described in claim 1 or 2, it is characterized in that, described at least one bearing support (9) and at least one guide type shoe described (6) are so formed, and make described at least one bearing support (9) along the equivalent spring rigidity (C tried to achieve when lacking frame (2) during the load in the direction of described deformation direction (Z)
1) and in frame (2) along the equivalent spring rigidity (C tried to achieve when lacking described at least one bearing support (9) during the load in the direction of described deformation direction (Z)
2) have 2 to 30, preferably 5 to 15 and particularly preferably 9 to 11 ratio.
4. according to the closing unit described in one of claims 1 to 3 item, it is characterized in that, described at least one bearing support (9) and at least one guide type shoe described (6) for around vertical axis (Y) each bending for plane the moment of inertia (I
y1, Iy
2) ratio be between 2 and 15, preferably between 5 and 10.
5. according to the closing unit described in one of Claims 1-4 item, it is characterized in that, arrange four crossbeams, these crossbeams are preferably each passed through moveable and/or fixing mold cramping plate (3,5).
6. a forming machine, it comprises a kind of according to the closing unit described in one of claim 1 to 5 item.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ATA665/2013 | 2013-08-28 | ||
| ATA665/2013A AT514692B1 (en) | 2013-08-28 | 2013-08-28 | Closing unit for a molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104416844A true CN104416844A (en) | 2015-03-18 |
| CN104416844B CN104416844B (en) | 2017-07-18 |
Family
ID=52470526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410431467.1A Active CN104416844B (en) | 2013-08-28 | 2014-08-28 | The closing unit of forming machine |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104416844B (en) |
| AT (1) | AT514692B1 (en) |
| DE (1) | DE102014011765A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179315A (en) * | 2020-09-14 | 2022-03-15 | 恩格尔奥地利有限公司 | Plasticizing unit for a molding machine and molding machine having a corresponding plasticizing unit |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5891488A (en) * | 1995-09-23 | 1999-04-06 | Hemscheidt Maschinentechnik Schwerin Gmbh & Co. | Mold closing device without crossbeam for injection molding machine |
| JP2000246774A (en) * | 1999-03-03 | 2000-09-12 | Nissei Plastics Ind Co | Mold clamping device for molding machine |
| CN1550312A (en) * | 2003-03-19 | 2004-12-01 | 发那科株式会社 | Molding machine |
| JP2006199004A (en) * | 2004-12-24 | 2006-08-03 | Nissei Plastics Ind Co | Mold clamping apparatus of injection molding machine |
| CN201456355U (en) * | 2009-03-25 | 2010-05-12 | 联塑(杭州)机械有限公司 | Mould closing mechanism of injection molding machine |
| CN201482966U (en) * | 2009-07-23 | 2010-05-26 | 深圳领威科技有限公司 | Middle plate sliding device used for die casting machine and injection molding machine |
| CN202623141U (en) * | 2012-04-19 | 2012-12-26 | 温州至上精密机械有限公司 | Supporting device for injection seat |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4141259C2 (en) | 1991-12-14 | 1993-10-07 | Hemscheidt Maschtech Schwerin | Mold closing device for injection molding machines |
| DE102011104535B3 (en) | 2011-06-18 | 2012-04-12 | Kraussmaffei Technologies Gmbh | Guide shoe useful in guiding device of closing unit of plastics processing machine for supporting and guiding movable mold clamping plate in its closing direction, comprises elongated base body in closing direction, and connecting element |
-
2013
- 2013-08-28 AT ATA665/2013A patent/AT514692B1/en active
-
2014
- 2014-08-06 DE DE201410011765 patent/DE102014011765A1/en active Pending
- 2014-08-28 CN CN201410431467.1A patent/CN104416844B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5891488A (en) * | 1995-09-23 | 1999-04-06 | Hemscheidt Maschinentechnik Schwerin Gmbh & Co. | Mold closing device without crossbeam for injection molding machine |
| JP2000246774A (en) * | 1999-03-03 | 2000-09-12 | Nissei Plastics Ind Co | Mold clamping device for molding machine |
| CN1550312A (en) * | 2003-03-19 | 2004-12-01 | 发那科株式会社 | Molding machine |
| JP2006199004A (en) * | 2004-12-24 | 2006-08-03 | Nissei Plastics Ind Co | Mold clamping apparatus of injection molding machine |
| CN201456355U (en) * | 2009-03-25 | 2010-05-12 | 联塑(杭州)机械有限公司 | Mould closing mechanism of injection molding machine |
| CN201482966U (en) * | 2009-07-23 | 2010-05-26 | 深圳领威科技有限公司 | Middle plate sliding device used for die casting machine and injection molding machine |
| CN202623141U (en) * | 2012-04-19 | 2012-12-26 | 温州至上精密机械有限公司 | Supporting device for injection seat |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114179315A (en) * | 2020-09-14 | 2022-03-15 | 恩格尔奥地利有限公司 | Plasticizing unit for a molding machine and molding machine having a corresponding plasticizing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| AT514692B1 (en) | 2015-03-15 |
| CN104416844B (en) | 2017-07-18 |
| AT514692A4 (en) | 2015-03-15 |
| DE102014011765A1 (en) | 2015-03-05 |
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