CN205130299U - Ejection mechanism for plastic mould - Google Patents
Ejection mechanism for plastic mould Download PDFInfo
- Publication number
- CN205130299U CN205130299U CN201520830276.2U CN201520830276U CN205130299U CN 205130299 U CN205130299 U CN 205130299U CN 201520830276 U CN201520830276 U CN 201520830276U CN 205130299 U CN205130299 U CN 205130299U
- Authority
- CN
- China
- Prior art keywords
- thimble
- needle plate
- open slot
- faller
- ejection mechanism
- 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.)
- Expired - Fee Related
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an ejection mechanism for plastic mould, its technical scheme main points are: face faller in the bottom of die carrier is set up including sliding, the fixed end faller that is equipped with on the face faller, be equipped with the thimble on the face faller, the thimble slides with front mould benevolence and is connected, the fixed hydro -cylinder that is equipped with in both sides of die carrier, be equipped with T shape connecting block on the piston rod of hydro -cylinder, the junction of face faller and end faller be equipped with with connecting block complex T shape open slot, in mounting, in only need slideeing in the open slot with the connecting block, the installation of realization connecting block that can be very convenient, compare in passing through the screw connection, adopt open slot and connecting block, can increase the connection area, avoid hydro -cylinder and the face phenomenon of being connected the breaking occur between the faller, the failure rate is reduced, furthermore, because the positioning accuracy of open slot does not need very highly, therefore, also the ten minutes is convenient add man -hour to the open slot, lowers reject rate, an, through setting up open slot and connecting block, easy installation, low precision requirement, and firm in connection, reliabl.
Description
Technical field
The utility model relates to a kind of mould, and more particularly, it relates to a kind of ejection mechanism for plastic mould.
Background technology
In the process of carrying out plastics injection moulding, some goods, outer surface is appearance, can not have the vestige of cast gate and thimble.The bonnet of such as display, this series products is when designing and producing mould, cast gate is considered to be made in inside product, like this, the appearance of product has just been made in rear mold, thimble need be put into front mould, but its complex structure of existing front mold ejector pin structure, front mould is provided with the miscellaneous parts such as glue inlet tube road, has thought oil cylinder to be arranged on again on front mould just very inconvenient.
Therefore, application number be 201210450657.9 utility model provide a kind of front mould cylinder ejector mould structure, by oil cylinder being arranged on the both sides of end needle plate, can not interfere with the parts on front mould, simplify mould of plastics structure, easy to operate, ensure that efficiently carrying out of production.
Existing mould of plastics, comprise front template, rear pattern plate and mould bases, front template and rear pattern plate coordinate formation die cavity, front template is provided with front cavity, rear pattern plate is provided with rear cavity, the ejecting mechanism of mould of plastics, its major function is after completion of the injection-moulding, working of plastics is ejected in die cavity, realize the demoulding of working of plastics, the bottom slippage of mould bases is connected with face needle plate and end needle plate, face needle plate is provided with thimble, thimble is connected with front cavity slippage, thimble vertically slippage is arranged in front cavity, the piston rod of oil cylinder is connected with face needle plate, during work, the piston rod drive surface needle plate of oil cylinder slides, face needle plate promotes thimble upward sliding, moulding is ejected, realize the de-material of moulding.
When mounted, because the piston rod of oil cylinder is fixedly connected with by screw with face needle plate, due to face needle plate and end needle plate very heavy, after so long-time use, screw easily damages, also be very inconvenient like this when later period maintenance and replacing, in addition, owing to adopting screw to connect, need to drill through screwed hole on the needle plate of face, the location of screwed hole extremely bothers, and operation extremely bothers.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide a kind of fixing ejection mechanism for plastic mould that screw can not be needed also can to realize piston rod.
For achieving the above object, this novel practical provides following technical scheme: a kind of ejection mechanism for plastic mould, comprise the face needle plate that slippage is arranged on the bottom of mould bases, described needle plate is fixed with end needle plate, described needle plate is provided with thimble, and described thimble is connected with front cavity slippage, and the both sides of mould bases are fixed with oil cylinder, the piston rod of described oil cylinder is provided with T-shaped contiguous block, and described needle plate is provided with the junction of the end needle plate T-shaped open slot coordinated with contiguous block.
Preferably, the side of described contiguous block is provided with abutment plane, and described abutment plane abuts with open slot madial wall.
Preferably, described needle plate is provided with the square groove for installing thimble, and the corner place of described square groove stretches out and is provided with ear.
Preferably, the end of described thimble is provided with groove, and described front cavity is provided with the chute for thimble slippage, and described chute is arranged towards die cavity inner inclination.
Preferably, described thimble is hinged with base away from one end of groove, and described base connects and fixes in square groove.
By adopting technique scheme, when mounted, contiguous block is only needed to slip in open slot, the installation of contiguous block can be realized very easily, compared to being connected by screw, adopt open slot and contiguous block, connection area can be increased, avoid the connection between oil cylinder and face needle plate that the phenomenon ruptured occurs, reduce fault rate, and, positioning precision due to open slot does not need very high, therefore, adding open slot, man-hour is also very convenient, reduce percent defective, by arranging open slot and contiguous block, easy for installation, required precision is low, and be connected firmly, reliably.
Accompanying drawing explanation
Fig. 1 is the assembled view of the utility model mould of plastics embodiment;
Fig. 2 is A portion enlarged drawing in Fig. 1;
Fig. 3 is the cut-away view of the utility model mould of plastics embodiment;
Fig. 4 is the upper cores sectional view of the utility model mould of plastics embodiment;
Fig. 5 is the face needle plate structure schematic diagram of the utility model mould of plastics embodiment;
Fig. 6 is B portion enlarged drawing in Fig. 5;
Fig. 7 is the connecting block structure schematic diagram of the utility model mould of plastics embodiment;
Fig. 8 is the thimble partial enlarged drawing of the utility model mould of plastics embodiment.
In figure: 1, front cavity; 11, chute; 2, rear cavity; 3, mould bases; 31, oil cylinder; 311, contiguous block; 4, thimble; 41, groove; 5, face needle plate; 51, square groove; 511, ear; 6, end needle plate; 7, base; 8, open slot.
Detailed description of the invention
Referring to figs. 1 through Fig. 8, the utility model ejection mechanism for plastic mould embodiment is described further.
A kind of ejection mechanism for plastic mould, comprise front cavity 1 and rear cavity 2, after front cavity 1 and the 2-in-1 mould of rear cavity, form die cavity, during injection moulding, the raw material of melting is injected in die cavity, after cooling, the shape of needs can be injection molded into, parts after conveniently complete to injection moulding carry out stripping operation, mould bases 3 is provided with ejecting mechanism, ejecting mechanism comprises the face needle plate 5 that slippage is arranged on the bottom of mould bases 3 and the end needle plate 6 be fixedly installed on face needle plate 5, face needle plate 5 is provided with thimble 4, in order to improve the free degree of determining thimble 4, thimble 4 is hinged on face needle plate 5, conveniently thimble 4 is installed, base 7 is provided with in the bottom of thimble 4, thimble 4 is hinged on base 7, base 7 is plugged on face needle plate 5, face needle plate 5 is provided with the square groove 51 for base 7 grafting, the size of square groove 51 coordinates with base 7, so only need to ensure that base 7 is fixed on the installation that face needle plate 5 can realize thimble 4, install very convenient, square groove 51 runs through placement seat and arranges, end needle plate 6 plays barrier effect, base 7 can be avoided to be ejected from end needle plate 6, in order to avoid base 7 skids off from the one end away from square groove 51, square groove 51 and base 7 interference fit, base 7 can be bitten by square groove 51, realize the fixing of base 7 and face needle plate 5, conveniently base 7 is taken out in square groove 51, ear 511 is outwardly provided with in the surrounding of square groove 51, it is more balanced that the pressure that ear 511 can make the sidewall of square groove 51 be applied on base 7 side is set, the front end of thimble 4 is connected with front cavity 1 slippage, oil cylinder 31 is fixed with in the both sides of mould bases 3, the piston rod of oil cylinder 31 is provided with T-shaped contiguous block 311, face needle plate 5 and the junction of end needle plate 6 are provided with the T-shaped open slot 8 coordinated with contiguous block 311, open slot 8 is set, when mounted, contiguous block 311 is only needed to slip in open slot 8, the installation of contiguous block 311 can be realized very easily, compared to being connected by screw, adopt open slot 8 and contiguous block 311, connection area can be increased, avoid the connection between oil cylinder 31 and face needle plate 5 that the phenomenon ruptured occurs, reduce fault rate, and, positioning precision due to open slot 8 does not need very high, therefore, to add man-hour to open slot 8 also very convenient, reduce percent defective, after contiguous block 311 slips in open slot 8, oil cylinder 31 is fixed on the both sides of mould bases 3, now can limit the slip of contiguous block 311 in open slot 8, avoid contiguous block 311 to skid off in open slot 8, by arranging open slot 8 and contiguous block 311, easy for installation, required precision is low, and be connected firmly, reliably.In order to avoid face needle plate 5 and end needle plate 6 shake when sliding, the side of contiguous block 311 is provided with abutment plane, abut block to abut with open slot 8 madial wall, abutment plane is set, can avoid abutting block to rotate in open slot 8, improve the bonding strength between contiguous block 311 and open slot 8.
Conveniently thimble 4 is installed, base 7 is provided with in the bottom of thimble 4, expansion link is hinged on base 7, base 7 is plugged on face needle plate 5, face needle plate 5 is provided with the square groove 51 for base 7 grafting, the size of square groove 51 coordinates with base 7, so only need to ensure that base 7 is fixed on the installation that face needle plate 5 can realize thimble 4, install very convenient, square groove 51 runs through face needle plate 5 and arranges, end needle plate 6 plays barrier effect, base 7 can be avoided to be ejected from face needle plate 5, in order to avoid base 7 skids off from the one end away from end needle plate 6, square groove 51 and base 7 interference fit, base 7 can be bitten by square groove 51, realize the fixing of base 7 and thimble 4, conveniently base 7 is taken out in square groove 51, ear 511 is outwardly provided with in the surrounding of square groove 51, by the space that ear 511 provides, the taking-up of base 7 can be realized very easily, and, ear 511 is provided with at the corner place of square groove 51, the situation occurring that at the corner place of square groove 51 stress is concentrated can also be avoided, the end that improve the structural strength thimble 4 of face needle plate 5 is provided with groove 41, front cavity 1 is provided with the chute 11 slided for thimble 4, conveniently during the demoulding, moulding splits away off from thimble 4, chute 11 is arranged towards die cavity inner inclination, time thimble 4 ejects by needle plate 5 face to face, thimble 4 not only can slide at vertical direction, can also towards die cavity internal slide, thimble 4 can towards multi-direction motion, realize the disengaging of thimble 4 and moulding very easily, there will not be the situation that moulding and thimble 4 bond together, in order to fixing between thimble 4 and moulding better can be realized, groove 41 is provided with in the end of thimble 4, groove 41 is arranged on the lateral surface of thimble 4, like this when injection moulding, the lateral surface of thimble 4 also can be fixedly connected with by moulding, can very stable moulding be ejected.
Below be only preferred embodiment of the present utility model, protection domain of the present utility model be not only confined to above-described embodiment, all technical schemes belonged under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, do not departing from the some improvements and modifications under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. an ejection mechanism for plastic mould, comprise the face needle plate that slippage is arranged on the bottom of mould bases, described needle plate is fixed with end needle plate, described needle plate is provided with thimble, described thimble is connected with front cavity slippage, the both sides of mould bases are fixed with oil cylinder, it is characterized in that: the piston rod of described oil cylinder is provided with T-shaped contiguous block, and described needle plate is provided with the junction of the end needle plate T-shaped open slot coordinated with contiguous block.
2. ejection mechanism for plastic mould according to claim 1, is characterized in that: the side of described contiguous block is provided with abutment plane, and described abutment plane abuts with open slot madial wall.
3. ejection mechanism for plastic mould according to claim 1 and 2, is characterized in that: described needle plate is provided with the square groove for installing thimble, and the corner place of described square groove stretches out and is provided with ear.
4. ejection mechanism for plastic mould according to claim 3, is characterized in that: described front cavity is provided with the chute for thimble slippage, and described chute is arranged towards die cavity inner inclination.
5. ejection mechanism for plastic mould according to claim 4, is characterized in that: described thimble is hinged with base away from one end of groove, and described base connects and fixes in square groove.
6. ejection mechanism for plastic mould according to claim 4, is characterized in that: the end of described thimble is provided with groove, and described groove is arranged on the lateral surface of thimble.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830276.2U CN205130299U (en) | 2015-10-26 | 2015-10-26 | Ejection mechanism for plastic mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520830276.2U CN205130299U (en) | 2015-10-26 | 2015-10-26 | Ejection mechanism for plastic mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205130299U true CN205130299U (en) | 2016-04-06 |
Family
ID=55616120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520830276.2U Expired - Fee Related CN205130299U (en) | 2015-10-26 | 2015-10-26 | Ejection mechanism for plastic mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205130299U (en) |
-
2015
- 2015-10-26 CN CN201520830276.2U patent/CN205130299U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160406 Termination date: 20191026 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |