CN1031963A - Improved moulding press - Google Patents
Improved moulding press Download PDFInfo
- Publication number
- CN1031963A CN1031963A CN 88107048 CN88107048A CN1031963A CN 1031963 A CN1031963 A CN 1031963A CN 88107048 CN88107048 CN 88107048 CN 88107048 A CN88107048 A CN 88107048A CN 1031963 A CN1031963 A CN 1031963A
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- China
- Prior art keywords
- connector
- template
- bayonet socket
- socket spare
- moulding press
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- 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.)
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Abstract
A kind of injection moulding moulding press that does not adopt traditional pull bar to connect mould support plate (1) and (2).Borrow paired bayonet socket connector (14) and (15) and they are engaged when two templates move towards each other, mold members (10) and (11) are by imposing hydraulic pressure to oil cylinder (16) and being locked in together.
So owing to there is not pull bar can allow to use large mold, this also helps the replacing of mould and take off massive article from mould between forming operation.
One or more bayonet socket connectors that are installed in mold center or adjoin the center are used in design in addition.
Description
The present invention relates to a kind of improved moulding press, particularly be designed for but have more than the moulding press of the injection mo(u)lding that is used for large scale plastic product.
Large scale plastic product, for example: the injection moulding of tun, mobile structure, shell etc. exists the difficulty that mould is installed, and in addition, also exists the difficulty that goods are taken out from injection machine.Common injection machine generally includes: two solid plates that link to each other with pull bar, and the 3rd movable intermediate plate of between two solid plates, installing, this moving platen is moved it by a hydraulic piston that moves between solid plate and moving platen.In this form, pull bar is tensioned so that two mold members that are installed in respectively on moving platen and the solid plate (it is away from hydraulic piston) are locked together.But these pull bars but make on the machine of this type the loading and unloading large mold quite difficulty that becomes.Because the activity space of the mould when the loading and unloading mould between pull bar is very limited, for some mould of intending usefulness, it is impossible will moving it after it is mounted.Also have, this obviously type machine is very heavy, and will come handling with crane or other heavy Handling device usually.
In addition, when the large-scale plastic article of moulding, injection moulding finish open mould in order to take out goods after, it also is difficult will taking out goods from mould.Particularly for dark bulging dies tool, this moment, two templates must be separated into big distance, so that goods are thrown off from mould, and pull bar long, that inconvenience is supported and involved great expense must be arranged for this reason, and must be installed on the huge injection machine therefrom.In addition, also can make the taking-up that is in the injecting products between them that difficulty takes place at each pull bar that extends between injection moulding machine template.
For this reason, the invention provides a kind of moulding press that is used for injection moulding, it comprises: first solid plate that is used to install first mold members; Be used to install second template of second mold members, first template can be shifted to or move apart to second template, thereby second mold members is matched with first mold members or separate; A plurality of jockeys, these jockeys comprise and a plurality ofly are installed on first template and stretch to first connector of second template thus, and second connector that correspondingly is installed on second template and stretches to first template thus and aim at first connector, they are installed like this, so that when each injection cycle begins, because second template is approaching to first template, and second connector is engaged with first connector, and after injection, second connector is thrown off mutually with first connector, thereby around two mold members, reserve a space that supplies the goods demoulding or mould handling to use owing to second template moves apart first template; A plurality of locking devices, these locking devices comprise a plurality of or with each first connector or hydraulic piston/oil cylinder sub-assembly of linking to each other with each second connector, after first and second connectors engage, hydraulic piston/oil cylinder sub-assembly is used to the tensioning connector, and first and second mold members is clamped together so that carry out injection moulding.
Above-mentioned locking device is linked to each other with first connector on the solid plate.
Connector preferably includes positive bayonet socket spare and cloudy bayonet socket spare, is inserted into cloudy bayonet socket spare and makes in them one with respect to another rotation they be engaged by positive bayonet socket spare.
Cloudy bayonet socket spare preferably is installed in first connector, and engages with piston in the locking device.
Preferably have a rod member on the cloudy bayonet socket spare, this rod member passes the center of hydraulic piston and stretches to whirligig, and whirligig makes it cooperate or throw off with positive bayonet socket spare cloudy bayonet socket spare rotation one predetermined radian.
Although may comprise any other kind of form within the scope of the present invention, only by embodiment a best form of implementation of the present invention is illustrated with reference to accompanying drawing at this.Wherein:
Fig. 1 is the schematic side elevation according to improvement moulding press of the present invention, and shown moulding press is in the position of opening or not carrying out moulding.
Fig. 2 is the view identical with Fig. 1, and shown moulding press jockey has engaged the preparation matched moulds.
Fig. 3 is the view identical with Fig. 1 and 2, demonstrate moulding press be in the matched moulds position just preparing the injection.
Fig. 4 is the view shown in the arrow IV among Fig. 3, has shown the situation of selecting the center connector for use.
Fig. 5 is a partial sectional view, has amplified the locking device that is used on the improvement moulding press of the present invention.
Fig. 6 is the end-view of device shown in Figure 4.
In a preferred form of the invention, what constitute moulding press has first solid plate (1) and second moving platen (2), the lower end of moving platen (3) can be contained on slideway or the slide rail (figure does not go out) easily, under the effect of template mobile device (5), solid plate (1) be shifted to or be moved apart to moving platen can direction shown in arrow (4).In Fig. 1,2 and 3, the template mobile device is become the hydraulic piston/oil cylinder sub-assembly of a long stroke by figure, and it has a piston (6) that connect together with piston rod (7) and action in hydraulic cylinder (8).Yet, obviously also can use the device of other removable moving platen (2), for example: the rack and pinion driving mechanism.
As shown in Figure 1, when the fully open position, there is a space (9) between template and between first and second mold members (being respectively 10 and 11), can be for carrying out the mold members loading and unloading easily.Even very big when the mold members size, be difficult to move, also be like this when needing to use overhead crane or other Handling devices.
First template is equipped with a plurality of first connectors (12), is typically four, and they are adjacent to be installed on each angle of template.Corresponding a plurality of second connectors (13) are housed on second template, and they aim at installation with first connector, so that when second template (2) was shifted to first template as shown in Figure 2, second connector (13) was aimed at and engaged with first connector (12).
Connector can adopt any suitable form, but generally adopts bayonet socket to connect, and its middle-jiao yang, function of the spleen and stomach bayonet socket spare (14) is contained on each second connector (13), and cloudy bayonet socket spare (15) is contained on each first connector (12).The structure of bayonet socket spare and operation will describe with reference to Fig. 5 and 6 in the back.
Moulding press also is equipped with the locking device of its form for hydraulic piston/oil cylinder sub-assembly (16) of linking to each other with each first connector (12).The effect of these hydraulic pistons/oil cylinder sub-assembly is to be used for behind bayonet socket spare (14) and (15) joint, first connector (12) is pulled away from second template (2), carries out injection operation so that tightly two mold members (10) and (11) are clamped together.
The operation cycle process of moulding press of the present invention clearly illustrated by the order of Fig. 1 to 3, and wherein Fig. 1 demonstrates that machine is in complete die sinking position when cyclic process begins.Then, template carriage release lever (5) drives moving platen (2) and shifts to solid plate (1), engages shown in figure (2) with (13) up to connector (12), and this moment, two mold members were separated by than short distance.Bayonet socket spare (14) and (15) engagement then, simultaneously apply hydraulic pressure to piston/oil cylinder sub-assembly (16), piston (17) is wherein moved by shown in the accompanying drawing from right to left, thereby make two mold members (10) and (11) move to contact condition, impose clamping pressure then so that carry out injection operation.
After injection operation is finished, impose an opposite force to oil cylinder (16), make piston (17) press motion from left to right shown in the accompanying drawing, be in position shown in Figure 2 up to mould.In this case, can apply sizable hydraulic pressure so that abolish negative pressure or the sealing that in injection moulding process, between mould, forms.Bayonet socket spare (14) and (15) are separated then, and template carriage release lever (5) drives moving platen makes it return to position shown in Figure 1, so that take out goods and repeat injection cycle.
Owing to cancelled the traditional pull bar that between first and second templates, extends usually, therefore when moulding press is in position shown in Figure 1, can take off massive article from mould (10) or (11) easily.Owing to around mould, bigger space is arranged and do not have pull bar, when needing the production of conversion different product, also be extremely easy therefore from template (1) and (2) loading and unloading mold members (10) and (11).
Owing to can use great mould at moulding press of the present invention, so die load is high, and the distance between jockey may be also quite big.The combination of these two kinds of factors just applies a very large power on template (1) and (2), cause template (1) and (2) bending, just needs to overcome this problem with thick stupid template reinforcement and/or extremely heavy mould (10) and (11) for this reason.Yet also can alleviate this influence (for the sake of clarity this connector is omitted from Fig. 1～Fig. 3) at the one center connector of cover position shown in (13A) among Fig. 4 of installation on the moulding press.Connector (13A) and aforesaid connector (12,13) shape are identical, but its position is the center that is in pressing plate (1) and (2), so just at the center of mould (10) and (11).Near many product centers position,, therefore this connector can be installed originally with regard to porose or opening.And on other products, the center connector of this template also can be installed by changing design.Open a hole or mouth though need to pass the goods middle part for this reason; But if necessary, this hole is in the end placed the piece cover plate on the product subsequently and is filled.With regard to the present invention, owing to only adopt described separate type connector, therefore when be in die sinking or not during shaping position, this center connector can be the form that disconnects connection, and goods are taken out from mould.Use the big moulding press of traditional pull bar that this center connector then can not be installed certainly, because last in the moulding cyclic process, the goods of forming can not take off from mould at all.
The bending force that acts on template (1) and (2) can be born in use center connector (13A) in the injection operation process, therefore both can adopt light and cheap template on machine, also can make very large goods.Though what reach explanation shown in the figure all is single center connector (13A), clearly for very large mould, also can arrange a plurality of such connectors on whole mould support plate.
The structure of hydraulic piston (17) and oil cylinder (16) and jockey (12) and (13) and operation are existing to be illustrated with reference to Fig. 5 and Fig. 6.
Upper part is a profile in Fig. 5, hydraulic cylinder (16) is contained on the template (1), and piston (17) is housed therein, and piston (17) is in the chamber (18), and the hydraulic pressure that is provided by hydraulic pumping unit and/or accumulator (not shown) can affact each surface of piston (17).Last alignment pin (19) can prevent that piston (17) from rotating in hydraulic cylinder (16).
Piston (17) has the core of a hollow, and the tension rail (20) that has flange (21) at the one end wherein is housed.Piston (17) is used to come nutted rod (20) by the shaft shoulder (22) through the power that bearing surface (23) passes to flange (21) by applying one.Piston (17) can apply sizable power and comes nutted rod (20) by this way, simultaneously bar (20) is rotated with respect to piston (17)
The other end at the tension rail (20) opposite with flange (21) is equipped with the cloudy bayonet socket spare (15) that is essentially garden cylindrical sleeve (16) form, and it has two inner flange ends (24).Each inner flange end (24) is all jagged, one end of bar (20) is equipped with corresponding positive bayonet coupling part (25), it can be inserted in the sleeve (16) by left end (shown in Figure 5) breach, and positive then bayonet coupling (25) is rotated and is locked in the sleeve firmly.This shape only is for easy to assembly, allows positive bayonet coupling (25) insert from the hollow end of piston (17), by set bolt (26) it is locked in the inside of sleeve (16) then.
Have the notched hole (27) of leading to inner chamber (28) on the cloudy bayonet socket spare (15) of Xing Chenging in such a way, can be blocked and mesh by shoulder (29) at thereafter positive bayonet socket spare, so that tension force is applied on the jockey.
Turn to Fig. 6 now, as can be seen from the figure be fixed on the template (1), and plate (30) links to each other with radial arm (31) by fixed head (30) piston assembly.An analog bracket (32) is equipped with in the outer end of radial arm, has formed a support that is used for the piston/oil cylinder sub-assembly (33) of the bar (20) in the rotary-piston (17) thus.This end of flange (21) in bar (20) is connecting an eccentric arm (34), and eccentric arm itself links to each other with the clamping plate (35) that are contained in piston rod (36) end again.Like this, when hydraulic piston/oil cylinder sub-assembly (33) moves, will cause that the center (37) of eccentric arm (34) distaff (20) and flange (21) is rotated, and then bar is rotated in piston (17).The position of bar in piston can be adjusted by proximity switch (38), and proximity switch itself is used to the hydraulic fluid that control flows to piston/oil cylinder sub-assembly (33).Make bar (20) and cloudy bayonet socket spare (15) can turn over a predetermined radian like this, the positive bayonet socket spare (14) on making cloudy bayonet socket spare and being contained in second connector (13) is meshed.
The shape and the bayonet socket spare (25) of sun bayonet socket spare (14) are similar, and when cloudy bayonet socket spare is rotated to unlocked position, it can axially-movable pass breach (27), and when cloudy bayonet socket spare forwards latched position to, it can be fixed on chamber (28) breach (24) the back and withstand shoulder (29).
Each positive bayonet socket spare (14) is installed on the corresponding connector (13), and connector (13) itself is fixed on the moving platen (2).This being installed on the length can be adjusted according to the thickness that is contained in the different moulds between template (1) and (2).
The operation of the operation of the operation of template carriage release lever (5), cloudy bayonet socket spare (15), closing cylinder (16) all by logic circuit control under the proximity switch influence that is in the appropriate location, is operated according to the said program in front so that guarantee.
Claims (6)
1, a kind of moulding press that is used for injection mo(u)lding, it comprises: be used to install first solid plate of first mold members,
Be used to install second template of second mold members, first template can be shifted to or move apart to second template, and second mold members is engaged with first mold members or break away from,
A plurality of jockeys; these jockeys comprise and a plurality ofly are installed on first template and stretch to first connector of second template thus; and second connector that correspondingly is installed on second template and stretches to first template thus and aim at first connector; these connectors are installed into when second template during in the beginning of each injection cycle and near first template; second connector is engaged with first connector; and when second template is left first template after injection; second connector and first connector are separated; thereby around two mold members, reserve a space that supplies the goods demoulding or mould handling to use
A plurality of locking devices, these locking devices comprise a plurality of again or with each first connector or hydraulic piston/oil cylinder sub-assembly of linking to each other with each second connector, after first and second connectors engage, hydraulic piston/oil cylinder sub-assembly is used to the tensioning connecting rod, makes first and second mold-locked together so that injection.
2, according to the moulding press of claim 1, wherein locking device links to each other with first connector on the solid plate.
3, according to the moulding press of claim 1 or 2, wherein connector comprises positive bayonet socket spare and cloudy bayonet socket spare, by positive bayonet socket spare is inserted into cloudy bayonet socket spare, and one of them can be engaged them with respect to another rotation.
4, according to the moulding press of claim 3, wherein cloudy bayonet socket spare is installed on first connector and links to each other with piston on the locking device.
5, according to the moulding press of claim 4, one rod member is arranged on the wherein cloudy bayonet socket spare, it passes the center of hydraulic piston and stretches to whirligig, and this whirligig is used to the radian that cloudy bayonet socket spare rotation one is predetermined, so that cloudy bayonet socket spare is engaged with positive bayonet socket spare or separate.
6, according to the moulding press of the arbitrary claim in front, wherein have at least one group of first and second connector to be installed in the middle part of first and second templates respectively, first connector wherein passes each die hole that is contained on two templates and engages with second connector.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AUPI.4216 | 1987-09-08 | ||
| AUPI421687 | 1987-09-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1031963A true CN1031963A (en) | 1989-03-29 |
Family
ID=3772435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88107048 Pending CN1031963A (en) | 1987-09-08 | 1988-09-08 | Improved moulding press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1031963A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051087A (en) * | 1989-08-11 | 1991-09-24 | The Shunde Plastics General Machine Enterprises Group | Injection molder with two movable molds |
| CN101480706B (en) * | 2008-12-04 | 2012-01-11 | 苏州明志科技有限公司 | Simple mould stripper |
| CN110725332A (en) * | 2019-09-16 | 2020-01-24 | 朱道庭 | Conveniently carry out bridge construction crane fixed to concrete strip foundation template |
-
1988
- 1988-09-08 CN CN 88107048 patent/CN1031963A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5051087A (en) * | 1989-08-11 | 1991-09-24 | The Shunde Plastics General Machine Enterprises Group | Injection molder with two movable molds |
| CN101480706B (en) * | 2008-12-04 | 2012-01-11 | 苏州明志科技有限公司 | Simple mould stripper |
| CN110725332A (en) * | 2019-09-16 | 2020-01-24 | 朱道庭 | Conveniently carry out bridge construction crane fixed to concrete strip foundation template |
| CN110725332B (en) * | 2019-09-16 | 2021-05-25 | 广东昊海重工科技有限公司 | Conveniently carry out bridge construction crane fixed to concrete strip foundation template |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C01 | Deemed withdrawal of patent application (patent law 1993) | ||
| WD01 | Invention patent application deemed withdrawn after publication |