CN205364408U - Spiral shell drives formula casting mold - Google Patents
Spiral shell drives formula casting mold Download PDFInfo
- Publication number
- CN205364408U CN205364408U CN201520927199.2U CN201520927199U CN205364408U CN 205364408 U CN205364408 U CN 205364408U CN 201520927199 U CN201520927199 U CN 201520927199U CN 205364408 U CN205364408 U CN 205364408U
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- China
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- die cavity
- dynamic model
- cover half
- wedge
- screw rod
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Abstract
The utility model relates to a plastics processing mould discloses a spiral shell drives formula casting mold, including cover half and movable mould, cover half and the movable mould shape moulding chamber of laminating relatively is equipped with the sprue gate on the die cavity, connect through the screw rod between cover half and the movable mould, and the screw rod passes the threaded holes and movable mould that is equipped with on the cover half connects, and the one end that the screw rod is located the cover half is equipped with the hand wheel, being equipped with the last down tube and lower down tube that lie in the upper and lower side of die cavity respectively on the cover half, being equipped with the upper saddle and the lower slide seat that lie in the upper and lower side of die cavity respectively on the movable mould, all be equipped with the through -hole that holds the down tube and pass on upper saddle and the lower slide seat, the one end that upper saddle and lower slide seat are close to the die cavity is equipped with die cavity stopper and lower die cavity stopper respectively. Above -mentioned scheme through the drawing of patterns simultaneously in the three direction, reduces the stress concentration on foundry goods surface to the easy cracked problem of the thinner shaft -like foundry goods of pouring for the drawing of patterns of foundry goods is more stable, splits when effectively avoiding the work piece drawing of patterns.
Description
Technical field
This utility model relates to plastic machining mold.
Background technology
Injection moulding is a kind of method that industrial products produce moulding.Product generally uses rubber injection mold and plastic injection.Injection moulding also can dispensing molding die platen press and casting die.It is utilize mould for plastics to make the main former of variously-shaped plastic thermoplastic or thermosetting material that injection (mo(u)lding) machine (is called for short injector or injection machine), and injection moulding is realized by injection machine and mould.Product is widely used in: the industries such as mobile phone, laptop computer, multiple plastic shell, communication, micro machine, computer, electrical equipment, electronics, toy, clock and watch, lamp decoration, locomotive.Injection mold is the instrument producing plasthetics, is also to confer to the instrument of plasthetics complete structure and accurate dimension.A kind of processing method that injection mo(u)lding is used when being and produce some complex-shaped parts in batches, refers specifically to by high pressure, the material melted that is heated is injected die cavity, after cooled solidification, obtains formed products.
Along with the day by day maturation of injection molding technology, increasing plastic cement products can be produced by injection moulding, and simultaneously that the requirement of mould is also more and more higher, mould is generally divided into dynamic model and cover half, treats foundry goods molding, and dynamic model moves opens die cavity, is exposed by foundry goods and then takes off；For the shaft-like foundry goods that some are thinner, if simple adopts dynamic model positioned opposite and the cover half demoulding, foundry goods unbalance stress can be made, it is easy to cause casting deformation to be torn or directly rupture.
Utility model content
This utility model be intended to provide a kind of avoid very thin foundry goods deform fracture spiral shell drive formula casting mold.
A kind of spiral shell in this programme drives formula casting mold, including fixed half and moving half, described fixed half and moving half is fitted formation die cavity relatively, die cavity is provided with sprue gate, connected by screw rod between described fixed half and moving half, the screwed hole that screw rod is provided with through cover half connects with dynamic model again, it is placed on, in one end of screw rod connection dynamic model, the through hole that dynamic model is provided with, the both sides being positioned at dynamic model on screw rod are provided with spacing shoulder, the cross-sectional area of this shoulder is more than the via area on dynamic model, and screw rod is positioned at one end of cover half and is provided with handwheel；Described cover half is provided with the upper brace laying respectively at die cavity upper and lower and lower brace, dynamic model is provided with the upper saddle and lower slider that lay respectively at die cavity upper and lower, upper saddle and lower slider are slidably connected on dynamic model, upper saddle and lower slider are all provided with the through hole holding brace traverse, upper saddle and lower slider are respectively equipped with upper cavity plug and lower mode cavity plug near one end of die cavity, described upper cavity plug and lower mode cavity plug block in the opening being located on die cavity side, the face that die cavity upper mouth is relative is provided with push rod, and push rod is through dynamic model and extends in die cavity.
Beneficial effect: cast starts, dynamic model and cover half Guan Bi, and upper saddle and lower slider push against to die cavity direction, upper cavity plug and lower mode cavity plug is made to block the opening on die cavity side, mould-injection fused solution is watered in die cavity, after molding to be cast, rotation hand wheel, drive screw rod swivel feeding, screw rod is positioned at one end of dynamic model and rotates equally, screw rod feeding promotes dynamic model to move, dynamic model and cover half are laterally separated, upper brace and lower brace promote on upper saddle and lower slider respectively, lower slider, make upper cavity plug and lower mode cavity plug and die cavity separately, realize the demoulding on three directions of workpiece, make stress dispersion suffered by workpiece, not easy fracture, so the demoulding is stablized feasible more；When the demoulding completes, now workpiece is still bonded on dynamic model, promotes push rod, is ejected by workpiece, make workpiece come off.Such scheme is for the problem of the thinner shaft-like foundry goods easy fracture of cast, and by the demoulding simultaneously on three directions, the stress reducing cast(ing) surface is concentrated so that the demoulding of foundry goods is more stable, is prevented effectively from fracture during the workpiece demoulding.
Further, the upper and lower of described upper saddle and lower slider is respectively equipped with wedge and lower wedge, upper wedge is provided with lower wedge and described upper brace, inclined-plane that lower brace gradient is identical, upper saddle, lower slider is respectively equipped with and inclined-plane that upper wedge, lower wedge inclined-plane fit.Wedge and lower wedge are set, it is possible to upper saddle, lower slider are risen certain supporting role, make upper saddle, lower slider slide more stable, so increasing mold releasability reliability.
Further, described upper saddle, lower slider are provided with boss near one end of upper cavity plug, lower mode cavity plug, and this boss is sandwiched in the stopper slot being located at outside die cavity, carries out spacing to boss, prevent upper cavity plug, lower mode cavity plug from offseting, it is impossible to the opening on closure die cavity side.
Further, described push rod is connected to slide block away from one end of die cavity, dynamic model is transversely provided with slide bar, slide bar makes slide block slide on slide bar through slide block, and slide block is provided with, away from the side of die cavity, the baffle plate limiting slide position, and push rod is led by slide bar, push rod is made to move steadily, baffle plate is spacing to the movement of push rod, makes push rod release end and just goes out die cavity, and the drive end of push rod reaches baffle position.
Further, described upper wedge and lower wedge are respectively through being bolted on cover half, and cross bar is bolted on dynamic model, and bolt connects reliable, and detachably, it is simple to dismounting.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model embodiment.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Accompanying drawing labelling in Figure of description includes: cover half 1, upper wedge 11, lower wedge 12, upper brace 13, lower brace 14, dynamic model 2, push rod 21, die cavity 3, screw rod 4, handwheel 41.
Embodiment is substantially as shown in Figure 1:
A kind of spiral shell in this programme drives formula casting mold, including cover half 1 and dynamic model 2, cover half 1 laminating relative to dynamic model 2 forms die cavity 3, die cavity 3 has sprue gate, connected by screw rod 4 between cover half 1 and dynamic model 2, screwed hole and dynamic model 2 that screw rod 4 has on cover half 1 connect, screw rod 4 connects in one end of dynamic model 2 and is placed on dynamic model 2 through hole having, the both sides being positioned at dynamic model 2 on screw rod 4 are welded with spacing shoulder, the cross-sectional area of this shoulder is more than the via area on dynamic model 2, and screw rod 4 is positioned at one end of cover half 1 and is connected to handwheel 41；
Cover half 1 is provided with and lays respectively on die cavity 3, the upper brace 13 of lower section and lower brace 14, dynamic model 2 is provided with and lays respectively on die cavity 3, the upper saddle of lower section and lower slider, upper saddle and lower slider are slidably connected on dynamic model 2, upper saddle and lower slider all have the through hole holding brace traverse, upper saddle and lower slider have processed upper cavity plug and lower mode cavity plug respectively near one end of die cavity 3, in upper cavity plug and lower mode cavity plug closure opening on die cavity 3 side, the face that die cavity 3 upper mouth is relative is provided with push rod 21, push rod 21 is through dynamic model 2 and extends in die cavity 3.
The upper and lower of upper saddle and lower slider is separately installed with wedge 11 and lower wedge 12, upper wedge 11 has and upper brace 13, inclined-plane that lower brace 14 gradient is identical with processing on lower wedge 12, the inclined-plane that on upper saddle, lower slider, processing has and upper wedge 11, lower wedge 12 inclined-plane fit respectively.Wedge 11 and lower wedge 12 are set, it is possible to upper saddle, lower slider are risen certain supporting role, make upper saddle, lower slider slide more stable, so increasing mold releasability reliability.Processing has boss near one end of upper cavity plug, lower mode cavity plug for upper saddle, lower slider, and this boss is sandwiched in the stopper slot being located at outside die cavity 3, carries out spacing to boss, it is prevented that upper cavity plug, lower mode cavity plug offset, it is impossible to the opening on closure die cavity 3 side.
Push rod 21 is connected to slide block away from one end of die cavity 3, dynamic model 2 is horizontally installed with slide bar, slide bar makes slide block slide on slide bar through slide block, slide block is provided with, away from the side of die cavity 3, the baffle plate limiting slide position, push rod 21 is led by slide bar, makes push rod 21 move steadily, and baffle plate is spacing to the movement of push rod 21, making push rod 21 release end and just go out die cavity 3, the drive end of push rod 21 reaches baffle position.Upper wedge 11 and lower wedge 12 are respectively through being bolted on cover half 1, and cross bar is bolted on dynamic model 2, and bolt connects reliable, and detachably, it is simple to dismounting.
Operation principle: cast starts, dynamic model 2 and cover half 1 close, and upper saddle and lower slider push against to die cavity 3 direction, upper cavity plug and lower mode cavity plug is made to block the opening on die cavity 3 side, mould-injection fused solution is watered in die cavity 3, after molding to be cast, rotation hand wheel 41, drive screw rod 4 swivel feeding, screw rod 4 is positioned at one end of dynamic model 2 and rotates equally, screw rod 4 feeding promotes dynamic model 2 to move, dynamic model 2 and cover half 1 are laterally separated, upper brace 13 and lower brace 14 promote on upper saddle and lower slider respectively, lower slider, make upper cavity plug and lower mode cavity plug and die cavity 3 separately, realize the demoulding on three directions of workpiece, make stress dispersion suffered by workpiece, not easy fracture, so the demoulding is stablized feasible more；When the demoulding completes, now workpiece is still bonded on dynamic model 2, promotes push rod 21, is ejected by workpiece, make workpiece come off.
Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the premise without departing from this utility model structure, it is also possible to make some deformation and improvement; these also should be considered as protection domain of the present utility model, and these are all without affecting effect and the practical applicability that this utility model is implemented.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. records the content that may be used for explaining claim.
Claims (5)
1. a spiral shell drives formula casting mold, including fixed half and moving half, described fixed half and moving half is fitted formation die cavity relatively, die cavity is provided with sprue gate, it is characterized in that: connected by screw rod between described fixed half and moving half, connect with dynamic model again after the screwed hole that screw rod traverse cover half is provided with, it is placed on, in one end of screw rod connection dynamic model, the through hole that dynamic model is provided with, the both sides being positioned at dynamic model on screw rod are provided with spacing shoulder, the cross-sectional area of this shoulder is more than the via area on dynamic model, and screw rod is positioned at one end of cover half and is provided with handwheel；Described cover half is provided with the upper brace laying respectively at die cavity upper and lower and lower brace, dynamic model is provided with the upper saddle and lower slider that lay respectively at die cavity upper and lower, upper saddle and lower slider are slidably connected on dynamic model, upper saddle and lower slider are all provided with the through hole holding brace traverse, upper saddle and lower slider are respectively equipped with upper cavity plug and lower mode cavity plug near one end of die cavity, described upper cavity plug and lower mode cavity plug block in the opening being located on die cavity side, the face that die cavity upper mouth is relative is provided with push rod, and push rod is through dynamic model and extends in die cavity.
2. spiral shell according to claim 1 drives formula casting mold, it is characterized in that: the upper and lower of described upper saddle and lower slider is respectively equipped with wedge and lower wedge, upper wedge, lower wedge are provided with and described upper brace, inclined-plane that lower brace gradient is identical, upper saddle, lower slider are respectively equipped with and inclined-plane that upper wedge, lower wedge inclined-plane fit.
3. spiral shell according to claim 2 drives formula casting mold, it is characterised in that: described upper saddle, lower slider are provided with boss near one end of upper cavity plug, lower mode cavity plug, and this boss is sandwiched in the stopper slot being located at outside die cavity.
4. spiral shell according to claim 3 drives formula casting mold, it is characterized in that: described push rod is connected to slide block away from one end of die cavity, being transversely provided with slide bar on dynamic model, slide bar makes slide block slide on slide bar through slide block, and slide block is provided with, away from the side of die cavity, the baffle plate limiting slide position.
5. spiral shell according to claim 4 drives formula casting mold, it is characterised in that: described upper wedge and lower wedge are respectively through being bolted on cover half, and cross bar is bolted on dynamic model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927199.2U CN205364408U (en) | 2015-11-19 | 2015-11-19 | Spiral shell drives formula casting mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520927199.2U CN205364408U (en) | 2015-11-19 | 2015-11-19 | Spiral shell drives formula casting mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205364408U true CN205364408U (en) | 2016-07-06 |
Family
ID=56260715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520927199.2U Expired - Fee Related CN205364408U (en) | 2015-11-19 | 2015-11-19 | Spiral shell drives formula casting mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205364408U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583655A (en) * | 2017-01-24 | 2017-04-26 | 无锡飞而康精铸工程有限公司 | Novel copper alloy precise casting pouring mold |
| CN110252960A (en) * | 2019-07-22 | 2019-09-20 | 衢州净土自动化设备有限公司 | A kind of production forging method of intelligent vacuum pump and its multistage vacuum pump |
-
2015
- 2015-11-19 CN CN201520927199.2U patent/CN205364408U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106583655A (en) * | 2017-01-24 | 2017-04-26 | 无锡飞而康精铸工程有限公司 | Novel copper alloy precise casting pouring mold |
| CN110252960A (en) * | 2019-07-22 | 2019-09-20 | 衢州净土自动化设备有限公司 | A kind of production forging method of intelligent vacuum pump and its multistage vacuum pump |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160706 Termination date: 20161119 |