CN103434082B - A kind of deformation compensating mechanism on injection machine or die casting machine - Google Patents
A kind of deformation compensating mechanism on injection machine or die casting machine Download PDFInfo
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- CN103434082B CN103434082B CN201310387199.3A CN201310387199A CN103434082B CN 103434082 B CN103434082 B CN 103434082B CN 201310387199 A CN201310387199 A CN 201310387199A CN 103434082 B CN103434082 B CN 103434082B
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Abstract
The invention discloses a kind of deformation compensating mechanism on injection machine or die casting machine, it is between moving platen and pushing mechanism, and/or between solid plate and frame, it comprises first substrate, second substrate, and be arranged at the Flexible Connector between described first substrate and described second substrate; Described first substrate is fixedly connected with solid plate or moving platen, and described second substrate correspondence is fixedly connected with frame or pushing mechanism; Described Flexible Connector comprises the elastic component between described first substrate and described second substrate, and pre-tightening apparatus, and described pre-tightening apparatus is used for described elastic component to be connected between described first substrate and described second substrate with certain pretightning force.The deformation compensation mechanism in the present invention with pretension can not only ensure to have flexible being sealed and matched between dynamic model and cover half, also can overcome the effect of the pressure that shoots material simultaneously, guarantee the sealing property of matched moulds, is also convenient to assembling simultaneously, safeguards.
Description
Technical field
The present invention relates to injection moulding or die-casting and molding technology field, particularly relate to the deformation compensating mechanism on a kind of dynamic model for injection machine or die casting machine or cover half.
Background technology
When utilizing injection moulding or die-casting and molding technology to produce product, first need dynamic model and cover half matched moulds to form product die cavity, then melt raw material is injected die cavity, and make formed product under a certain pressure.In the process of injecting raw material or pressing formation; due to the effect of pressure; dynamic model and cover half can produce certain distortion; this distortion directly causes die cavity original-shape to change; and finally cause injection moulding or die-cast product shape to change; or even produce underproof product, have a strong impact on production efficiency, increase production cost.Person skilled payes attention to the problem that solution product is out of shape in injection moulding or die cast process especially for this reason.
Patent document EP0835731B1 discloses a kind of die casting machine with compensating element; it comprises the clamping be made up of moveable dynamic model and static cover half; on rear side of dynamic model, pushing mechanism is set; between dynamic model and pushing mechanism; and Compress Spring is set as compensating element, for compensating frame deformation between cover half and frame.For realizing good buffering effect, not only need to arrange multiple above-mentioned compensating element, and above-mentioned compensating element, needs to be uniformly distributed on substrate.Carry out installation to compensating element, to fix, not only make the installation process of die casting machine become complicated, meanwhile, also the structures such as the groove being suitable for compensating element, installation need be set at ad-hoc location, increase the difficulty of processing of die casting machine.In addition, this compensating element, is connected directly between on dynamic model and pushing mechanism, and it does not have certain precompressed amount, pushing mechanism promote dynamic model close to or away from cover half time, the less stable that dynamic model is advanced in orbit.
Summary of the invention
For this reason, the technical problem to be solved in the present invention is the existing elastic compensation element had on die casting machine less stable when dynamic model is advanced, and the problem that the installation of elastic compensation element assembling is inconvenient, and then provide a kind of stability better, and the easy to assembly deformation compensating mechanism be applied on injection machine or die casting machine dynamic model.
For achieving the above object, the present invention is by the following technical solutions:
A kind of deformation compensating mechanism on injection machine or die casting machine, it is between moving platen and pushing mechanism, and/or between solid plate and frame, it comprises first substrate, second substrate, and be arranged at the Flexible Connector between described first substrate and described second substrate; Described first substrate is fixedly connected with solid plate or moving platen, and described second substrate correspondence is fixedly connected with frame or pushing mechanism, and described second substrate is locked in described frame by locking device; Described Flexible Connector comprises the elastic component between described first substrate and described second substrate, and pre-tightening apparatus, and described pre-tightening apparatus is used for described elastic component to be connected between described first substrate and described second substrate with certain pretightning force.
Described pre-tightening apparatus comprises the screw rod be arranged on described first substrate, described elastic component and described second substrate, and is positioned at nut that is outside described first substrate and/or described second substrate and that coordinate with described screw rod.
Described nut comprises two and is close to the nut arranging and have auto-lock function.
Described elastic component is several stacked disk springs, and the spring leaf of described disk spring is set on described screw rod, is provided with packing ring between described disk spring and described first base.
Described first substrate is parallel with described second substrate just to setting, and described elastic component is arranged between described first substrate and described second substrate in length and breadth.
Arrange dynamic model bearing between described moving platen and described pushing mechanism, described dynamic model bearing one end is fixedly connected with described pushing mechanism, and the other end is fixedly connected with described second substrate, and is locked in described frame by locking device.
Between described first substrate and described second substrate, dust excluding plate is set.
Beneficial effect of the present invention:
1. the deformation compensating mechanism of the present invention on injection machine or die casting machine, comprises first substrate, described second substrate and the elastic component between first substrate and second substrate, and is locked with having certain precompression by described elastic component by pre-tightening apparatus.Pretightning force in the present invention is determined according to the concrete pressure that shoots material, this pretightning force can not only ensure to have flexible being sealed and matched between dynamic model and cover half, also can overcome the effect of the pressure that shoots material simultaneously, guarantee the sealing property of matched moulds, and due to elastic compensating device of the present invention can precompressed in advance into a single integrated structure so that assembling, safeguard; In addition, when dynamic model is advanced, because deformation compensating mechanism of the present invention has certain precompression, can ensure that pushing mechanism stably promotes dynamic model to overcome the frictional force of rack rail, avoid in prior art the problem of less stable when not having the elastic component of precompression to cause dynamic model to be advanced.
2. first substrate, elastic component, second substrate are connected into one by screw rod by the present invention; so that the dynamic model of deformation compensating mechanism of the present invention and dissimilar die casting machine or injection machine or cover half device cooperatively interact, improve independence and the scope of application of deformation compensating mechanism of the present invention.
3. deformation compensating mechanism of the present invention is by being arranged on the bearing of dynamic model and/or cover half after pretension, then be connected with moving platen and/or solid plate, due to the effect of pretightning force, moving platen or solid plate are installed to after on Flexible Connector can not make resilient member deforms because of deadweight, thus ensure that the accuracy of matched moulds.
Accompanying drawing explanation
In order to make the content of invention be more likely to be clearly understood, below according to a particular embodiment of the invention and by reference to the accompanying drawings, the present invention is further detailed explanation, wherein
Fig. 1 is the overall structure schematic diagram of the die casting machine being provided with deformation compensating mechanism of the present invention;
Fig. 2 is the structural representation of deformation compensating mechanism of the present invention when coordinating with moving platen;
Fig. 3 is the structural representation of deformation compensating mechanism of the present invention;
Fig. 4 is the structural representation of Flexible Connector of the present invention;
Fig. 5 is the partial enlarged drawing in C portion in Fig. 1;
Fig. 6 is the explosive view of the second deformation compensating mechanism of the present invention;
Fig. 7 is the structural blast figure after deformation compensating mechanism of the present invention assembling Quick-pressurizing pressure relief device;
Fig. 8 is the sectional view of Flexible Connector;
Fig. 9 is the structural representation of jacking block.
In figure, Reference numeral is expressed as:
1-frame; 16-stress changes breach; 2-solid plate; 40-moving platen; 41-first substrate; 42-second substrate; 43-Flexible Connector; 44-dynamic model bearing; 45-nut; 431-screw rod; 432-packing ring; 433-elastic component; 434-gear; 435-tooth bar; 436-groove; 437-movable block; 438-jacking block; 439-is protruding; 5-second deformation apparatus; 51-guide pad; 510-direction recess; 52-distending voussoir; 53-promotes voussoir; 54-back-up block; 55-pushing mechanism; 56-block; 7-drive unit; 8-dust excluding plate.
Detailed description of the invention
Deformation compensating mechanism of the present invention is installed on die casting machine or injection machine, to shoot material when matched moulds the distortion that pressure brings dynamic model or cover half for compensating dynamic model and cover half.It can only be connected with dynamic model or cover half, also can install on dynamic model or cover half simultaneously, and the present embodiment is described preferably to arrange described deformation compensating mechanism on dynamic model.
embodiment 1
See Fig. 1-4, the deformation compensating mechanism on injection machine or die casting machine of the present invention, comprises first substrate 41, second substrate 42, and is arranged at the Flexible Connector 43 between described first substrate 41 and described second substrate 42; Described first substrate 41 is connected with the side opposing with die of moving platen 40, and described second substrate 42 is fixedly connected with dynamic model bearing 44; Described Flexible Connector 43 comprises the elastic component 433 between described first substrate 41 and described second substrate 42, and pre-tightening apparatus, described pre-tightening apparatus is used for described elastic component 433 to be connected between described first substrate 41 and described second substrate 42 with certain pretightning force.
In the present embodiment, as shown in Figure 7, described dynamic model bearing 44 forms the chamber placing described deformation compensating mechanism, described deformation compensating mechanism entirety is positioned in described chamber; Thrust unit in frame acts on described dynamic model bearing 44, and can promote described dynamic model bearing 44 and move to the direction close to or away from described solid plate 2, described dynamic model bearing 44 is then locked in described frame 1 by clamping apparatus.
Wherein, the structure of described pre-tightening apparatus is not unique, in the present embodiment, described pre-tightening apparatus comprises the screw rod 431 be arranged on described first substrate 41, described elastic component 433 and described second substrate 42, and is positioned at nut 45 that is outside described first substrate 41 and/or described second substrate 42 and that coordinate with described screw rod 431.
One end of described screw rod 431 in the present embodiment is provided with bolt head, the other end is free end, its free end is provided with the nut 45 that two are close to setting, two described nuts 45 are close to setting, not only can realize the pretension to elastic component 433, can also prevent nut 434 in the course of work from loosening because of mechanical shock or coming off simultaneously.Between the bolt head of the described screw rod 431 in the present embodiment and described first substrate 41 and be equipped with the baffle ring being beneficial to pre-press operation between described nut 434 and described second substrate 42.
Described elastic component 433 in the present embodiment adopts disk spring, and the spring leaf of described disk spring is set on screw rod 431, and is provided with packing ring 432 between described disk spring and described first substrate 41.Meanwhile, between described disk spring and described second substrate 42, also packing ring can be provided with, so that precompressed and raising pre-compressed effect.Certainly, elastic component 433 of the present invention also can adopt the spring of other form, and as spiral spring etc., the type and the elasticity size that arrange spring are herein selected according to the concrete pressure size that shoots material.
Described first substrate 41 in the present embodiment is parallel with described second substrate 42 just to setting, and described elastic component 433 is arranged between two substrates in length and breadth, and wherein, described elastic component 433 density in centre position is lower than described elastic component 433 density being positioned at plate face periphery.This set can make the elastic component between two plates better compensate the distortion of dynamic model.In order to convenient disassembly, the connection between deformation compensating mechanism of the present invention and moving platen 40 is realized by bolt or screw, and described first substrate 41 is provided with some some screw holes for connecting described moving platen 40.
In the present embodiment, dust excluding plate 8 is provided with between described first substrate 41 and described second substrate 42, described dust excluding plate 8 preferably uses flexible material to make, so both can play the effect of sealing, when can ensure again to carry out precompressed or release of pressure to elastic component 433, first substrate 41 and second substrate 42 can have necessarily in opposite directions or the space deviated from simultaneously, effectively to adjust preload pressure.Certain described dust excluding plate 44 can also adopt the safeguard structure of other form.
As the embodiment that other can be replaced, at the opposite side respectively shaping some groove that arrange described elastic component 433 of described first substrate 41 with described second substrate 42, described elastic component 433 is Compress Spring, described pre-tightening apparatus is be arranged in described first substrate 41 and the screw rod 431 on described second substrate 42, and the nut coordinated with described spiral shell 431.
embodiment 2
See Fig. 7-9, on the basis of above-described embodiment 1, described deformation compensating mechanism also comprises the Quick-pressurizing pressure relief device for carrying out supercharging or release to described elastic component 433.Described Quick-pressurizing pressure relief device comprises, drive the drive unit 7 that described screw rod 431 rotates, and between described moving platen 40 and described screw rod 431 end, and the contact with each other movable block 437 and jacking block 438 that connect, described movable block 437 circumference is plugged on the bolt head of described screw rod 431 spacingly, and described jacking block 438 circumference is arranged in the groove on described moving platen 40 spacingly.In the present embodiment, described jacking block 438 is rectangular, described movable block 437 is rounded, described moving platen 40 be provided with the blind hole corresponding with described Flexible Connector 43 position with the face that described first substrate 41 coordinates, the shape of described blind hole is consistent with the shape of described movable block 437 and jacking block 438 floor projection, namely described blind hole can limit the axial-rotation of described jacking block 438, allow again described movable block 437 to coordinate with described jacking block 438 in described blind hole simultaneously, and can with the forward and reverse rotation of described screw rod 431.The cross section of the described groove 436 in the present embodiment is trapezoidal, described protruding 439 correspond to trapezoidal projection, described screw rod 431 rotates and drives trapezoidal described groove 436 to slide along the inclined-plane on trapezoidal described protruding 439, and when making described protruding 439 to skid off described groove 436, described protruding 439 promote described screw rod 431 extrudes described first substrate 41, and then to the supercharging of described elastic component 433; Described protruding 439 when slipping into described inside grooves, and described projection removes the extruding to described first substrate 41, realizes release.
The drive unit 7 that the described screw rod 431 of driving in the present embodiment rotates comprises, be fixedly installed in the gear 434 on described screw rod 431, and coordinate with described gear 434, and the tooth bar 435 of the forward and reverse rotation of described gear 434 can be promoted, described tooth bar 435 connecting drive device 7, described drive unit 7 is for driving cylinder or driving oil cylinder.
On the basis of the Quick-pressurizing depressurized system elastic component precompressed in the present embodiment, to the second compression again of elastic component 433, the withstand voltage properties of elastic component can be improved further, resist the higher pressure that shoots material.Simultaneously can also after shooting material fast pressure relief, make elastic component return to preliminary preloading condition, avoid Flexible Connector be in high pressure conditions all the time and damage.
embodiment 3
On the basis of above-described embodiment 1 and embodiment 2, the deformation compensating mechanism that the present invention is used for die casting machine or injection machine also comprise be installed on die casting machine or injection machine frame 1 below, for carrying out the second deformation compensating mechanism of deformation compensation to described frame 1, see the C position in Fig. 1 and Fig. 5-6.
Described second deformation compensating mechanism is arranged in the breach of frame 1 bottom, comprises a pair guide pad, 51, two described guide pads 51 and arranges along the interval, pressurized direction of described breach; Expanding means, described expanding means is arranged between two described guide pads, and described expanding means drives described guide pad 51 to extrude to the both sides of described breach, also namely to two lateral movements of breach below frame 1.
In the present embodiment, the gap between two described guide pads 51 forms wedge cavities; Described expanding means is the distending voussoir 52 mated with described wedge cavities, and described distending voussoir 52 moves along described guide pad by described in promote when moving outside frame 1 described in side direction in described frame 1 to be oppositely arranged two, guide pad 51 is opposing.The distending of described distending voussoir 52 can be accurately guided to move reposefully in order to make described guide pad 51, described in be oppositely arranged two, guide pad 51 offers direction recess 510 respectively, gap between described two direction recess 510 and the size shape of described distending voussoir 52 match, and described distending voussoir 52 carries out distending action along described direction recess 510.
Preferably, in the present embodiment, described frame 1 has two, is provided with some blocks 56 for hindering described support 1 through-thickness to be out of shape described in two between support 1.And two described frame 1 shape sizes are equal, described second deformation compensating mechanism is just to setting; Two described distending voussoirs 52 are also just to setting, and the formation wedge shape interval, face that two described distending voussoirs 52 are relative, be provided with between distending voussoir 52 described in two and promote voussoir 53, interval described in described promotion voussoir 53 and two between distending voussoir 52 matches, described promotion voussoir 53 promote to be oppositely arranged under the driving of pushing mechanism two described in the opposing motion of distending voussoir 52.
The selection of described pushing mechanism is not unique, in the present embodiment, described pushing mechanism is quick cylinder, described promotion voussoir 53 and ejecting between end of described pushing mechanism are provided with back-up block 54, the two ends of described back-up block 54 are fixedly connected on the medial surface of frame 1 described in two, described back-up block 54 be provided with for described pushing mechanism eject end through through hole.
In the present embodiment, described breach is arranged at immediately below moving platen 40 and solid plate 2 locked mode position, so that compensate the deflection below described frame 1.Described frame 1 in the upside of described breach along shaping strip hole on described die device moving direction, described in described die device side, the distance of strip hole end and described breach is greater than the distance of strip hole end and described breach described in described solid plate side, arranges this strip hole and is convenient to keep in repair device assembles.
In the present embodiment, the position away from end close below described solid plate 2 one end of described frame 3, is provided with the stress changes breach 16 upwards extended from the bottom surface of described frame 1.The right side that the stressed line away from described solid plate one end that the pressure that shoots material can act on described frame 1 by this stress changes breach 16 is moved into described stress changes breach 16 is set, so just can shorten the distance of the strong point to stress point, reduce the elastic deformation above frame 1.
As the embodiment that other can be replaced, above-mentioned second deformation compensating mechanism can for acting on the two-way cylinder of described indentation, there or oil cylinder etc., and it is controlled applies active force to described breach 12 both sides, carries out deformation compensation.
When described frame 1 produces distortion because of the effect by the pressure that shoots material time, control the both sides applying pressure of the second deformation compensating mechanism to described breach, compensate below frame 1 and extrude to middle part because of the effect by the pressure that shoots material, and then the elastic deformation that can weaken on rack rail, eliminate to the full extent because deformation is on the impact of die casting or injecting products.
Above-mentioned detailed description of the invention is just explained in detail technical scheme of the present invention; the present invention has more than and is only confined to above-described embodiment; those skilled in the art should be understood that; every improvement on basis of the present invention according to above-mentioned principle and spirit, substitute, all should within protection scope of the present invention.
Claims (7)
1. the deformation compensating mechanism on injection machine or die casting machine, it is positioned between moving platen (40) and pushing mechanism, and/or between solid plate (2) and frame (1), it is characterized in that: comprise first substrate (41), second substrate (42), and be arranged at the Flexible Connector (43) between described first substrate (41) and described second substrate (42); Described first substrate (41) is fixedly connected with solid plate (2) or moving platen (40), described second substrate (42) correspondence is fixedly connected with frame (1) or pushing mechanism, and described second substrate (42) is locked in described frame (1) by locking device; Described Flexible Connector (43) comprises the elastic component (433) be positioned between described first substrate (41) and described second substrate (42), and pre-tightening apparatus, described pre-tightening apparatus is used for described elastic component (433) to be connected between described first substrate (41) and described second substrate (42) with certain pretightning force.
2. a kind of deformation compensating mechanism on injection machine or die casting machine according to claim 1, it is characterized in that: described pre-tightening apparatus comprises the screw rod (431) be arranged on described first substrate (41), described elastic component (433) and described second substrate (42), and be positioned at described first substrate (41) and/or described second substrate (42) outside and the nut (45) coordinated with described screw rod (431).
3. a kind of deformation compensating mechanism on injection machine or die casting machine according to claim 2, is characterized in that: described nut (45) comprises two and is close to the nut arranging and have auto-lock function.
4. a kind of deformation compensating mechanism on injection machine or die casting machine according to claim 3, it is characterized in that: described elastic component (433) is several stacked disk springs, the spring leaf of described disk spring is set on described screw rod (431), is provided with packing ring (432) between described disk spring and described first substrate (41).
5. according to the arbitrary described a kind of deformation compensating mechanism on injection machine or die casting machine of claim 1-4, it is characterized in that: described first substrate (41) is parallel with described second substrate (42) just to setting, and described elastic component (433) is arranged between described first substrate (41) and described second substrate (42) in length and breadth.
6. according to the arbitrary described a kind of deformation compensating mechanism on injection machine or die casting machine of claim 1-4, it is characterized in that: dynamic model bearing (44) is set between described moving platen (40) and described pushing mechanism, described dynamic model bearing (44) one end is fixedly connected with described pushing mechanism, the other end is fixedly connected with described second substrate (42), and is locked in described frame (1) by locking device.
7., according to the arbitrary described a kind of deformation compensating mechanism on injection machine or die casting machine of claim 1-4, it is characterized in that: dust excluding plate (8) is set between described first substrate (41) and described second substrate (42).
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| CN201310387199.3A CN103434082B (en) | 2013-08-30 | 2013-08-30 | A kind of deformation compensating mechanism on injection machine or die casting machine |
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| CN104259424B (en) * | 2014-09-16 | 2017-01-18 | 苏州橙石铸造有限公司 | Self-sealing plunger for die-casting machine injection device |
| DK180307B1 (en) * | 2017-12-27 | 2020-10-27 | Vkr Holding As | A mold for overmolding polymer onto a pane module for windows and a method of operating said mold |
| JP6886416B2 (en) * | 2018-03-09 | 2021-06-16 | Ｔｏｗａ株式会社 | Resin molding equipment and manufacturing method of resin molded products |
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| WO1995004643A1 (en) * | 1993-08-11 | 1995-02-16 | Engel Maschinenbau Gesellschaft M.B.H. | Injection moulding machine |
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| US6068463A (en) * | 1998-04-01 | 2000-05-30 | Engel Maschinebau Gesellschaft M.B.H. | Injection molding machine |
| CN203527759U (en) * | 2013-08-30 | 2014-04-09 | 苏州圣美特压铸科技有限公司 | Deformation compensating device for injection molding machine or die-casting machine |
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| DE4320366A1 (en) * | 1993-05-29 | 1994-12-01 | Karl Hehl | Plastic injection molding machine with a mold clamping unit |
| WO1995004643A1 (en) * | 1993-08-11 | 1995-02-16 | Engel Maschinenbau Gesellschaft M.B.H. | Injection moulding machine |
| EP0835731B1 (en) * | 1994-10-14 | 1999-01-27 | Engel Maschinenbau Gesellschaft Mbh | Injection moulding machine |
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Owner name: SUZHOU CHENGSHI CASTING CO., LTD. Free format text: FORMER OWNER: SDT SMART DIECASTING TECHNOLOGY SUZHOU CO., LTD. Effective date: 20140804 |
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Effective date of registration: 20230425 Address after: 215151 The First Complementary Industrial Park of No. 666 Jianlin Road Export Processing Zone, Suzhou High-tech Zone, Jiangsu Province Patentee after: Suzhou Shengmeite Die Casting Technology Co.,Ltd. Address before: 215151 The First Complementary Industrial Park of No. 666 Jianlin Road Export Processing Zone, Suzhou High-tech Zone, Jiangsu Province Patentee before: SUZHOU DIECASTING Co.,Ltd. |