CN102837400A - Forced returning structure for injection molding die - Google Patents
Forced returning structure for injection molding die Download PDFInfo
- Publication number
- CN102837400A CN102837400A CN2012103436329A CN201210343632A CN102837400A CN 102837400 A CN102837400 A CN 102837400A CN 2012103436329 A CN2012103436329 A CN 2012103436329A CN 201210343632 A CN201210343632 A CN 201210343632A CN 102837400 A CN102837400 A CN 102837400A
- Authority
- CN
- China
- Prior art keywords
- return
- plate
- top plate
- die
- mould
- 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.)
- Pending
Links
- 238000001746 injection moulding Methods 0.000 title abstract description 6
- 238000007493 shaping process Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
Abstract
The invention discloses a forced returning structure for an injection molding die. The forced returning structure comprises an upper die plate, a forming machine ejector rod, an upper top plate and a lower top plate, wherein a return swing rod is connected onto the upper die plate; a return support rod is fixedly arranged on the upper die plate; one end of the return support rod is fixedly arranged on the upper die plate; the other end of the return support rod is supported in the upper top plate; a connecting piece connected with the forming machine ejector rod is arranged in an ejection hole; a return part is arranged at the end part of the connecting piece; the diameter of the return part is greater than that of the connecting piece; and the return part is arranged in the upper top plate. According to the forced returning structure disclosed by the invention, when the forming machine ejector rod retracts, the lower top plate the upper top plate are driven to retract until the lower top plate is joined with a lower fixing plate of the die and a gap between the lower fixing plate and the lower top plate of the die is eliminated; meanwhile, a thimble and a pentroof which are positioned on the upper top plate are completely in place by retracting the upper top plate; and the die can be closed again under the action of the return support rod, and thus the production safety of the die is ensured and the collision of the die is avoided. The forced returning structure is simple in structure and convenient to operate and is worthy of being popularized and applied.
Description
Technical field
What the present invention relates to is a kind of ejector member of ejection shaping mould, and what be specifically related to is that a kind of ejection shaping mould is with forcing the return structure.
Background technology
Injection molding is changeable with the structure of mould; Different gate forms; Different pushing methods and different dies structure just can be formed various types of die form, so desire is with the mould difficulty of clearly classifying rather; Now with general common classification mode, can simply distinguish according to mold structure. double-plate mould, shree plates mold mould, runnerless mould tool and pour in down a chimney mould.This mould penetrates action and finishes when the injection molding product, and filling then forms the work that article eject after the material cooled of formingspace is solidified, and the fixation side and the movable side of forming machine are opened stroke at this moment, and mould is that start and opens on the boundary with the die joint.Usually be fixed in the mould of movable plate, movable side and movable plate are retreated simultaneously, and the knock-pin of mat forming machine makes the ejecting mechanism start of mould then, and formed products is ejected.In order to improve injection molding efficient, improve the formed products quality, the easily rapidly demoulding, eject, and reach automation mechanized operation, not only formed products is annotated, the demoulding of runner, ejecting all must the most appropriate method of selection.
Eject hole (KO) and mainly be in order to let the knock-pin of make-up machine act on the top board, consistent in its position and the cast.And group's mould is in injection moulding process, and after the knock-pin of make-up machine withdrawed from, lower roof plate, upper plate can not be followed and return together; Leave the space between lower roof plate that is and mould bottom plate, promptly thimble, tiltedly top etc. can not be got back to the position fully, mould promptly can take place and hit the mould accident in matched moulds this moment; Safety in production brings hidden danger to mould, if need top board to force return, the general external hanging type that adopts is forced return; Its complicated operation, structural instability.
Summary of the invention
To the deficiency that exists on the prior art; The present invention seeks to be to provide a kind of Stability Analysis of Structures, easy to operate, guarantee thimble, tiltedly push up the ejection shaping mould usefulness pressure return structure that mould could move behind the complete return; Prevented that mould from hitting the mould accident, ensured die production safety.
To achieve these goals, the present invention realizes through following technical scheme:
Ejection shaping mould is with forcing the return structure; It comprises cope match-plate pattern, make-up machine push rod, counterdie fixed head, is arranged on upper plate, lower roof plate and lower bolster on the counterdie fixed head; It is characterized in that; Said upper plate is fixedly connected on the lower roof plate, on said cope match-plate pattern, is connected with the return fork, is used to force the return of upper plate; Also be fixed with the return support bar on the said cope match-plate pattern; Said return support bar one end is fixed on the cope match-plate pattern, and its other end overhead is in upper plate, and said ejecting is provided with the connector that connects the make-up machine push rod in the hole; Make it drive the pressure return of liftout plate; The end of said connector is provided with return spare, and said return spare diameter is greater than the diameter of connector, and said return spare is arranged in the upper plate.
With forcing the return structure, wherein, said return fork is installed on the cope match-plate pattern through movable axis according to above-mentioned ejection shaping mould.
The present invention is through adopting the effect of return fork, return spare and return support bar, and when the make-up machine knock-pin was return, it drove lower roof plate, upper plate is return; Engage with the mould bottom plate up to lower roof plate, eliminated the space of mould bottom plate and lower roof plate, upper plate is return the thimble that also makes on it simultaneously, oblique top puts in place fully; At the effect mould of return support bar matched moulds once more; Guaranteed the production safety of mould, avoided mould to hit mould, it is simple in structure; Easy to operate, be worth of widely use.
Description of drawings
Specify the present invention below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the cutaway view that ejects the hole of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with the specific embodiment, further set forth the present invention.
Referring to Fig. 1; The ejection shaping mould of present embodiment is with forcing the return structure; It is applied in the ejection shaping mould, and this ejection shaping mould comprises upper die and lower die, and patrix comprises upper mould fixed plate 10 and is arranged on the cope match-plate pattern 11 on the upper mould fixed plate 10; Counterdie is provided with counterdie fixed head 20, upper plate 23, lower roof plate 22 and lower bolster 24; Lower bolster 24 is installed on the bottom plate 20 through mould pin 21, and upper plate 23 and lower roof plate 22 are set between lower bolster 24 and bottom plate 20, and upper plate 23 is fixedly connected through pin with lower roof plate 22.The pressure return structure of present embodiment is that a return support bar 12 is installed on cope match-plate pattern 11; These return support bar 12 1 ends are fixed on the cope match-plate pattern 11; Its other end overhead is in upper plate 23, and when preventing the mould matched moulds, lower roof plate is complete return; Promptly do not contact with bottom plate, and the generation of hitting the mould accident that causes.
Referring to Fig. 2, on lower bolster 24, return fork 25 is installed through removable pin, be used to force the return of upper plate.Said ejecting is provided with the connector 31 that connects make-up machine push rod 30 in the hole 2, make it drive the pressure return of upper ejector plate.The end of said connector 31 is provided with return spare 32; Said return spare 3 diameters are greater than the diameter of connector; This return spare and the T-shaped structure of connector; Said return spare 32 is arranged in the upper plate, is processed with the return groove on the upper plate 23, drives upper plate 23 and lower roof plate 22 returns through connector 31 is arranged under return spare 32 and the effect of return groove.
Present embodiment in use, during ejection formation, when make-up machine push rod 30 was return, return spare 32 hooks upper plate 23 to be return, and drove lower roof plate 22 and return, and engaged with mould bottom plate 20 up to lower roof plate 22.When matched moulds; Further, promote upper plate 23 and move down, make its lower roof plate 22 complete and bottom plate 20 fluid-tight engagement through 12 effects of return support bar; Thereby the return of further having guaranteed lower roof plate 22 is complete; Eliminate the space of 22 of mould bottom plate 20 and lower roof plates, avoided hitting the generation of mould phenomenon fully, guaranteed the safety in production of mould.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection domain to be defined by appending claims and equivalent thereof.
Claims (2)
1. ejection shaping mould is with forcing the return structure; It comprises cope match-plate pattern, make-up machine push rod, counterdie fixed head, is arranged on upper plate, lower roof plate and lower bolster on the counterdie fixed head; It is characterized in that; Said upper plate is fixedly connected on the lower roof plate, on said cope match-plate pattern, is connected with the return fork; Also be fixed with the return support bar on the said cope match-plate pattern; Said return support bar one end is fixed on the cope match-plate pattern, and its other end overhead is in upper plate; Said ejecting is provided with the connector that connects the make-up machine push rod in the hole, the end of said connector is provided with return spare, and said return spare diameter is greater than the diameter of connector, and said return spare is arranged in the upper plate.
2. ejection shaping mould according to claim 1 is characterized in that with forcing the return structure said return fork is installed on the cope match-plate pattern through movable axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103436329A CN102837400A (en) | 2012-09-17 | 2012-09-17 | Forced returning structure for injection molding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103436329A CN102837400A (en) | 2012-09-17 | 2012-09-17 | Forced returning structure for injection molding die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102837400A true CN102837400A (en) | 2012-12-26 |
Family
ID=47365250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103436329A Pending CN102837400A (en) | 2012-09-17 | 2012-09-17 | Forced returning structure for injection molding die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102837400A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144250A (en) * | 2013-04-02 | 2013-06-12 | 勋龙精密模具(昆山)有限公司 | Return forcing die of ejector retainer plate |
| CN103963240A (en) * | 2014-05-26 | 2014-08-06 | 苏州新协力特种工业模板有限公司 | Pre-reset mechanism of injection mold system |
| CN106965388A (en) * | 2017-03-28 | 2017-07-21 | 台州市黄岩西诺模具有限公司 | The cavity jacking mechanism of injection mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2887564Y (en) * | 2006-02-24 | 2007-04-11 | 佛山市顺德区汉达精密电子科技有限公司 | Mould with novel top panel mechanism |
| CN202156002U (en) * | 2011-07-22 | 2012-03-07 | 富港电子（东莞）有限公司 | Injection mold |
| CN202781656U (en) * | 2012-09-17 | 2013-03-13 | 晟扬精密模具（昆山）有限公司 | Forced return structure for injection molding die |
-
2012
- 2012-09-17 CN CN2012103436329A patent/CN102837400A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2887564Y (en) * | 2006-02-24 | 2007-04-11 | 佛山市顺德区汉达精密电子科技有限公司 | Mould with novel top panel mechanism |
| CN202156002U (en) * | 2011-07-22 | 2012-03-07 | 富港电子（东莞）有限公司 | Injection mold |
| CN202781656U (en) * | 2012-09-17 | 2013-03-13 | 晟扬精密模具（昆山）有限公司 | Forced return structure for injection molding die |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103144250A (en) * | 2013-04-02 | 2013-06-12 | 勋龙精密模具(昆山)有限公司 | Return forcing die of ejector retainer plate |
| CN103963240A (en) * | 2014-05-26 | 2014-08-06 | 苏州新协力特种工业模板有限公司 | Pre-reset mechanism of injection mold system |
| CN106965388A (en) * | 2017-03-28 | 2017-07-21 | 台州市黄岩西诺模具有限公司 | The cavity jacking mechanism of injection mold |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201881517U (en) | Injection mold | |
| CN102837400A (en) | Forced returning structure for injection molding die | |
| CN201761022U (en) | Swinging direct ejection core pulling mechanism of mold | |
| CN202781656U (en) | Forced return structure for injection molding die | |
| CN205651604U (en) | Mold machine of somatotype constructs many times | |
| CN102689421A (en) | Secondary ejection mechanism of connector shell mould for aerospace | |
| CN202213142U (en) | Coil insulation framework injection mould | |
| CN103831957B (en) | A kind of mechanical type ejecting mechanism of car trim injection mold | |
| CN102019397A (en) | Draw hook-type two-stage ejection die mechanism | |
| CN201685371U (en) | Die with slider | |
| CN103341955B (en) | A kind of automobile lamp body mold separate type oblique core drawing mechanism | |
| CN203210633U (en) | Intramode automatic shearing device of side gate | |
| CN201960690U (en) | Die pushed out by stripper plate and compressed air in combination mode | |
| CN202572829U (en) | Injection die | |
| CN201998385U (en) | Injection mould | |
| CN201158128Y (en) | Injection mold thimble | |
| CN204566592U (en) | A kind of ejecting mechanism and adopt the mould of this ejecting mechanism | |
| CN202742628U (en) | Plastic injection mold device provided with ejection mechanism | |
| CN203171965U (en) | Full-automatic progressive precision injection mold frame | |
| CN201950771U (en) | Injection mould for door frame bar of automobile | |
| CN202388705U (en) | Die structure | |
| CN201268077Y (en) | Injection mold with fixed mould oblique jacking mechanism | |
| CN206811083U (en) | A kind of mould for preventing product ejection deformation | |
| CN201941132U (en) | Injection mold | |
| CN202895620U (en) | Finger cam installing structure for injection molding die |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20121226 |