CN208992964U - Closed cell for molding machine - Google Patents

Abstract

The utility model relates to a kind of closed cells for molding machine, it is therefore intended that compensate deformation occurred as far as possible.The closed cell has the first mould clamping plate (1), second mould clamping plate (2), it is closed force mechanisms (4) and at least one add-in card (5), wherein, at least one described add-in card (5) has the actuator (6) independently of closure force mechanisms (4) and there are control unit (7), described control unit setting is used for, the actuator (6) is controlled at least partly to compensate in the stress curve and/or deformation curve (5) in the region of at least one add-in card (5) and/or control the actuator (6) to generate stress curve and/or deformation curve in the region of at least one add-in card (5) according to prespecified.

Description

Closed cell for molding machine

Technical field

The utility model relates to a kind of closed cells for molding machine and a kind of molding machine with this closed cell.

Background technique

The mould clamping plate of molding machine is for example configured to the face for having smooth, presss from both sides mold on the mould clamping plate Tightly, mold equally has smooth basal plane.Here, mostly there are the first mould clamping plate and the second mould clamping plate, it is described First mould clamping plate and the second mould clamping plate can be movable with respect to each other and the first mould clamping plate and second Mould clamping plate is configured to, carrying mould in the region between the first and second mould clamping plates.If plate mould in other words Sub- clamping plate is under load, i.e., under the closing force that can be applied by closure force mechanisms or in the plastics due to plasticizing Under the influence of caused buoyancy, then mould clamps plate benging.Related ground, mold more or less want root with the intrinsic rigidity of mold It is adjusted according to the mould clamping plate of deformation.Therefore, the deformation occurred on mould clamping plate is for injection molding to be manufactured The quality of part is of great significance.Therefore generally attempt to, by corresponding hardened structure will deformation remain it is small.Mould clamping plate High rigidity either by box-structure otherwise pass through weight, compact plate realizes.Injection molding machine is bigger, and board size is total to machine The influence of cost is then stronger (see 0 779 139 B1 of EP).

Utility model content

The task of the utility model is, proposes a possibility that a kind of simple, to allow the deformation as small as possible of mold Or it is completely indeformable.In other words, deformation occurred should be compensated as far as possible.

The task is solved by a kind of for the closed cell of molding machine and a kind of molding machine.

According to the utility model, the closed cell is included

- the first mould clamping plate and the second mould clamping plate, the first mould clamping plate and the second mould clamping plate energy It is enough movable with respect to each other, and the first mould clamping plate and the second mould clamping plate are configured to, in first mould Carrying mould in region between sub- clamping plate and the second mould clamping plate,

Force mechanisms are closed, the closure force mechanisms are arranged for adding to the first mould clamping plate and the second mould clamping plate It carries to be applied to the closing force on mold, and

At least one add-in card, at least one add-in card setting are clamped in the first mould clamping plate and the second mould Between plate,

At least one described add-in card has the actuator independently of closure force mechanisms, and the closed cell has control Unit processed, control unit setting are used for,

The actuator is controlled at least partly to compensate the stress curve in the region of at least one add-in card (Spannungsprofil) and/or deformation curve (Deformationsprofil), and/or

The actuator is controlled to generate stress curve in the region of at least one add-in card according to prespecified And/or deformation curve.

Stress and deformation curve can be regarded as stress distribution or deformation distribution on the face of add-in card.It is practical by this The novel stress and deformation curve targetedly influenced in the region of at least one add-in card in other words that can compensate for.

Thus, it is possible to influence to compensate in other words the stress of mould clamping plate perhaps deformation influence in the conceived case or Say compensate the stress of one or more intermediate plate perhaps deformation and finally influencing compensate in other words the mold (or these Mold) stress or deformation because add-in card is integrated into mould clamping plate, mold and optional intermediate plate) between In force flow.It can ensure that the uniform power on mold is distributed by the compensation for molding machine and/or mold deformation.

It may be advantageous in the case where certain molds or it is necessary that in part by power pair more higher than adjacent regions Position between mould clamping plate and mold is loaded.This can be realized by the utility model.Thus, it is possible in mold It is specific point on realize compared to do not use the utility model the case where preferably assist.

It is preferred that provide, at least one described add-in card and the first mould clamping plate and/or the second mould clamping plate and/or with Intermediate plate.It is therefore preferable that the as follows of closed cell can be arranged at least one described add-in card as close as possible On element, for the element, desired stress or deformation curve is kept to be of great significance.Intermediate plate also referred to as revolves It turns (Drehw ü rfel).It carries at least a pair of other half module and is able to use mold (Werkzeugw by rotation ü rfel) multiple combinations.

Provide in one preferred embodiment, actuator be configured to it is hydraulic, piezoelectricity, electrostrictive and/or Magnetostrictive actuator and/or have marmem.

Known following embodiment: in the case where the embodiment, the actuator with such as piezoelectric material is held The function (such as 10 053 424A1 of DE) of load closure force mechanisms.The relatively high power of active material should be made full use of herein Density.But will lead to by the relatively small stroke that active material is able to achieve, corresponding closed cell is extremely long, therefore described closes It closes unit and is not universally accepted (such as seeing 10 047 363B4 of DE) in practice.The utility model allows be suitable for practice Embodiment in using with its high force density active material.

Also can provide, at least one described add-in card be configured to be can install additional (such as follows install additional: will be attached Splice is arranged on the first and second mould clamping plates by releasable connection).Therefore also can by existing system or Molding machine is equipped on its closed cell by this system.

It is preferred that providing, closure force mechanisms have at least one hydraulic pressure pad and/or the electric drive with main shaft driving device Device.It can be provided with fast travel device in order to quickly open and close the closed cell, which can Independently of closing force mechanism for implementing.Then also compromise need not be made in terms of quick movement in the case where being closed force mechanisms.I.e. Closure force mechanisms can be optimized in terms of the ability for applying big active force.

Particularly preferably provide, closed cell has the push rod and/or song of --- preferably four --- pull rods and/or center Linkage.

One it is particularly preferred, there are --- preferably four --- pull rod and/or --- preferably four --- hydraulic pressures It is provided in the embodiment of pad, the side departing from the second mould clamping plate of the first mould clamping plate is arranged in the hydraulic pressure pad On face, and the hydraulic pressure pad is in order to apply closing force and to pull rod loading tensile.

In addition, a kind of claimed molding machine with closed cell according to the present utility model.Molding machine is appreciated that For injection molding machine, injection press, press or similar devices.

Detailed description of the invention

The other embodiment of the utility model is discussed by attached drawing.In the accompanying drawings:

Fig. 1 shows the molding machine with closed cell according to the present utility model；And

Fig. 2 shows the transverse sectional view of intermediate plate according to the present utility model detailed views in other words.

Specific embodiment

Fig. 1 shows the molding machine 100 in the region of closed cell 10 according to the present utility model.Here, mold 3 is fixed Between the first mould clamping plate 1 and the second mould clamping plate 2.The two mould clamping plates 1,2 pass through four in the present embodiment Crossbeam guides a pull rod 9 in other words, and the movement between the first mould clamping plate 1 and the second mould clamping plate 2 is also by described Pull rod is implemented.Here, moving the second mould clamping plate 2 in the specific embodiment and thus constituting movable mould Clamping plate 2, and the first mould clamping plate 1 then constitutes fixed mould clamping plate 1.

In order to which the fast travel movement of the second mould clamping plate 2 can be provided with main shaft driving device, main shaft drives dress Setting moves pull rod 9 with high feed speed.For the sake of apparent, which is not shown in the figure in this view.Work as mould Described two half modules of tool 3 are pasted in the case where passing through main shaft driving device closing motion close to movement each other or almost each other By ground dispose when, lock nut 11 lock and form pressure in hydraulic pressure pad 8, thus implement the second mould clamping plate 2 to The close remainder stroke of first mould clamping plate 1, until described two half modules of mold 3 mutually recline.And then it further mentions The hydraulic pressure in hydraulic pressure pad 8 is risen, until forming desired closing force.

By the half module 3 in mutually closing up for center and being applied on the first mould clamping plate 1 for hydraulic pressure pad 8 High pressure in other words hydraulic pressure pad 8 be transmitted to by pull rod 9 via lock nut 11 it is high on second mould clamping plate 2 Hydraulic pressure, makes mould clamping plate 1,2 bear bending stress, which necessarily leads to deformation and stress.

At this time in order to compensate the deformation, between the first mould clamping plate 1 and mold 3 and in the second mould clamping plate Add-in card 5 is provided between 2 and mold 3.These add-in cards 5 have actuator 6, these actuators are connected with control unit 7. The control unit 7 can targetedly be controlled actuator 6 at this time and be loaded with signal or pressure to actuator, by This makes actuator realize additional pressure between mould clamping plate 1,2 and mold 3.

By additional pressure of the actuator 6 between mould clamping plate 1,2 and mold 3, mould folder can compensate for now The deformation of tight plate 1,2 and/or additional pressure is generated on the position of part, as long as this is in the molding cycle of molding machine 100 It is necessary on the part of mold 3.(such as pass through in an example of implementation modification according to the present utility model It is shown in fig. 1 such) it can be seen that, it can also set add-in card 5 to installing plate additional.It therefore can be in mould clamping plate 1,2 and Add-in card 5 is attached on existing molding machine 100 between mold 3.

Fig. 2 shows the transverse sectional views of this add-in card 5 according to the present utility model.It can here be seen that the add-in card 5 It is respectively provided with a recess portion in its corner, to reserve enough free spaces for pull rod 9.As can be equally seen by the attached drawing As arriving, multiple actuators 6 can be horizontally installed on add-in card 5.In the particular embodiment, these actuators with The mode of grid is installed.

The utility model is not limited to the embodiment of double trigger beds.The utility model can not only vertical and And it in the case where three trigger beds and with or without pull rod or can also pushed away in the case where horizontal closed cell Bar uses in the case where (center or non-center).

Reference signs list

100 molding machines

1 first mould clamping plate

2 second mould clamping plates

3 molds

5 add-in cards

6 actuators

7 control units

8 pressure pads

9 pull rods/crossbeam

10 closed cells

11 lock nuts

Claims (13)

1. being used for the closed cell of molding machine, the closed cell is included

- the first mould clamping plate (1) and the second mould clamping plate (2), the first mould clamping plate and the second mould clamping plate It can be movable with respect to each other, and the first mould clamping plate and the second mould clamping plate are configured to, described first Carrying mould (3) in region between mould clamping plate (1) and the second mould clamping plate (2),

It is closed force mechanisms (4), the closure force mechanisms are arranged for the first mould clamping plate (1) and the second mould clamping plate (2) it loads to be applied to the closing force on mold (3), and

At least one add-in card (5), at least one add-in card setting are pressed from both sides in the first mould clamping plate (1) and the second mould Between tight plate (2),

It is characterized in that, at least one described add-in card (5) has the actuator (6) independently of closure force mechanisms (4), and institute Closed cell is stated with control unit (7), described control unit setting is used for: controlling the actuator (6) at least partly Compensate stress curve and/or deformation curve in the region of at least one add-in card (5), and/or the control execution Device (6) in the region of at least one add-in card to generate stress curve and/or deformation curve according to prespecified.

2. closed cell according to claim 1, which is characterized in that at least one described add-in card (5) and described first Mould clamping plate (1) and/or the second mould clamping plate (2) and/or intermediate plate.

3. closed cell according to claim 1, which is characterized in that the actuator (6) is configured to hydraulic, piezoelectricity , electrostrictive and/or magnetostrictive actuator (6) and/or there is marmem.

4. closed cell according to claim 2, which is characterized in that the actuator (6) is configured to hydraulic, piezoelectricity , electrostrictive and/or magnetostrictive actuator (6) and/or there is marmem.

5. closed cell according to any one of claim 1 to 4, which is characterized in that at least one described add-in card (5) It is to install additional.

6. closed cell according to claim 5, which is characterized in that carry out the installation in the following way: it is described extremely A few add-in card (5) is arranged on the first mould clamping plate (1) and the second mould clamping plate (2) by releasable connection.

7. closed cell according to any one of claim 1 to 4, which is characterized in that the closure force mechanisms (4) have At least one hydraulic pressure pad (8) and/or the electric driver with main shaft driving device.

8. closed cell according to any one of claim 1 to 4, which is characterized in that the closed cell (10) has Pull rod (9) and/or the push rod and/or curved bar mechanism in center.

9. closed cell according to claim 7, which is characterized in that the closed cell (10) have pull rod (9) and/or The push rod and/or curved bar mechanism in center.

10. closed cell according to claim 8, which is characterized in that there are four pull rods for closed cell (10) tool (9)。

11. closed cell according to claim 9, which is characterized in that the closed cell has pull rod (9) and hydraulic pressure It pads (8), the hydraulic pressure pad (8) is arranged on the side departing from the second mould clamping plate (2) of the first mould clamping plate (1) And the hydraulic pressure pad (8) is in order to apply closing force and to pull rod (9) loading tensile.

12. closed cell according to claim 11, which is characterized in that closed cell tool there are four pull rod (9) and Four hydraulic pressure pads (8).

13. molding machine, which is characterized in that have closed cell according to any one of claim 1 to 12.