CN102357995B - Ejection mechanism for injection mold - Google Patents
Ejection mechanism for injection mold Download PDFInfo
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- CN102357995B CN102357995B CN 201110354766 CN201110354766A CN102357995B CN 102357995 B CN102357995 B CN 102357995B CN 201110354766 CN201110354766 CN 201110354766 CN 201110354766 A CN201110354766 A CN 201110354766A CN 102357995 B CN102357995 B CN 102357995B
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Abstract
The invention relates to an ejection mechanism for an injection mold. The ejection mechanism comprises a movable die, a die core arranged on the movable die and a pitched roof fixing plate arranged below the die core, wherein a forming ejection insert for forming the top of an inner cavity and back-off bayonets in a formed product and ejecting the formed product is arranged in the die core and comprises a forming insert, buckling inserts and a movable top rod; and one end of the movable top rod is fixedly connected with the pitched roof fixing plate, and the other end of the movable top rod is connected with the forming insert in a movable way. By the ejection mechanism, the back-off bayonets in the product are formed, and the product is convenient to demould, the buckling inserts are prevented from impacting the product and are also prevented from being damaged, the production quality of the product is ensured, the service life of the mold is prolonged, and the two back-off bayonets which have a small interval inside the product are formed; and the ejection mechanism has a reasonable structure and is easy and convenient to operate, easy to realize and high in safety performance, the production efficiency of enterprises is improved, and the performance of the product is ensured.
Description
Technical field
What the present invention relates to is a kind of injection mold, and what be specifically related to is the ejecting mechanism that a kind of injection mold uses.
Background technology
as everyone knows, injection mold is to use very general a kind of mould in present industrial processes, mainly by cover half, dynamic model, ejecting mechanism forms, ejecting mechanism is often on dynamic model, during the mould die sinking, dynamic model retreats with workbench, decide dynamic model separately, after dynamic model retreats into certain position, the ejecting mechanism that push pedal on injection machine promotes mould ejects product, to the recessed product of some sides, often to complete die sinking by pitched roof mechanism is set, to offer corresponding molding character on oblique top, after formed product, oblique top ejects at the promotion decline shaped article of injection machine, complete die sinking.
and existing injection mold is when production has the product of inner reverse fastener, as the pump cover that produces oil in injection moulding, the both sides of its oil pump cover inner chamber are provided with the back-off bayonet socket, because the oil pump cover inner chamber is less, distance between the back-off of its inner chamber both sides is less, in the injection moulding production process, often cause the back-off bayonet socket of its both sides can't one-shot forming during existing oblique top injection mo(u)lding, the oil pump cover inner chamber is less simultaneously, what form the back-off bayonet socket on oblique top enters son owing to shrinking, make its easily collision interiors of products, affect the damage of the quality of production and the oblique top of product, during the inner both sides of moulding especially simultaneously back-off bayonet sockets, because spacing between two back-off bayonet sockets is too little, fastening forming on oblique top enters son can't be realized withdrawing from and ejecting, its injection moulding can't be produced, and the shape of oil pump cover inner cavity top can't realize moulding equally, causes its product to be difficult to produce.
Summary of the invention
For the deficiency that exists on prior art, the present invention seeks to be to provide a kind of and can realize moulding interiors of products back-off bayonet socket, easy to operate, the injection mold ejecting mechanism that is easy to realize, its cost is low, and is efficient and convenient, guaranteed the quality of production and the mold use life-span of product.
To achieve these goals, the present invention realizes by the following technical solutions:
Injection mold ejecting mechanism, comprise dynamic model, be arranged on the die on dynamic model and be arranged on the oblique top fixed head of die below, it is characterized in that, be provided with in described die for the inner back-off bayonet socket of inner cavity top moulding and shaped article and the moulding that ejects shaped article and eject into son; Described moulding ejects draws together a moulding into attached bag and enters son; Be arranged on moulding and enter on son, and be used for moulding back-off bayonet socket be snapped into son and drive moulding that to enter son mobile and realize being snapped into the flexible movable push rod of son, described movable push rod one end connects firmly mutually with the oblique top fixed head, its other end enters subactivity with moulding and is connected; By upwards ejecting of movable push rod, drive moulding and enter son and eject and be snapped into son and shrink, realized the moulding of interiors of products back-off bayonet socket of small distance and the stripping result of product.
Further, also be provided with spacing jacking block on described movable push rod one end, be provided for the microscler skewed slot that Connection Card buckles into son on described spacing jacking block, the described son that is snapped into is connected with spacing jacking block by the removable pin that can move in microscler skewed slot, the vertical operation of realization activity push rod changes the level run that is snapped into son into, is snapped into the sub Telescopic of realizing thereby make in moulding enters son.
Further, enter to be provided with on son for restraint push rod and moulding in described moulding and enter the stopper slot of the displacement that relatively moves between son and the gathering sill that is connected with stopper slot, described movable push rod is arranged in gathering sill, and described spacing jacking block is arranged in stopper slot.
Further, also be provided with guiding fixed head and pressure plare between described oblique top fixed head and die, described pressure plare is arranged between guiding fixed head and oblique top fixed head.
As preferred version, also be provided with fairlead in described guiding fixed head, be used for guiding activity push rod and move up and down, guarantee that movable push rod avoids damaging, reduce its friction.
As preferred version, described be snapped into the son and microscler skewed slot all arrange two, be symmetricly set on spacing jacking block; Two describedly are snapped into the both sides that son is arranged on spacing jacking block, and the one end inserts in spacing jacking block, by removable pin be connected skewed slot and be connected with spacing jacking block, realize the moulding of the back-off bayonet socket between the less spacing of interiors of products.
As preferred version, the top that described moulding enters son also is provided with shaping mould for product cavity top moulding, is convenient to form the shape moulding at product cavity top.
The present invention enters son, telescopic son and the movable push rod of being snapped into by moulding is set, realized the moulding of interiors of products back-off bayonet socket and be convenient to product stripping, avoided being snapped into son collision product and be snapped into son and damaged, guaranteed the quality of production of product, extend the mold use life-span, realized simultaneously the moulding of back-off bayonet socket, the interiors of products two back-off bayonet socket moulding that spacing is less; It is rational in infrastructure, and is easy and simple to handle, is easy to realize, security performance is high, has improved the production efficiency of enterprise, has guaranteed the performance of product.
Description of drawings
Describe the present invention in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is one embodiment of the invention;
Fig. 2 is the A section enlarged drawing of Fig. 1;
Fig. 3 is that moulding of the present invention ejects the structural representation into son;
Fig. 4 is the cutaway view of a shaped article of the present invention.
The specific embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the present invention.
Referring to Fig. 1 to Fig. 4, injection mold ejecting mechanism of the present invention, it is mainly used in the interiors of products such as injection moulding production such as oil pump cover connector 1 and is provided with back-off bayonet socket 2, in the production injection mould of products that between two back-off bayonet sockets 2, spacing is less, it comprises cover half 10, dynamic model 20, be arranged at the die 21 on dynamic model 20 and be arranged on oblique top fixed head 22 below die 21; Moulding is installed in die 21 ejects into son 30, be used for the inner back-off bayonet socket 2 of product cavity top moulding and shaped article and eject shaped article, realized the moulding of interiors of products back-off bayonet socket 2 of two small distances and the stripping result of product.
In the present embodiment, referring to Fig. 2 and Fig. 3, above-mentioned moulding ejects into son 30 and comprises that moulding enters son 31, is snapped into son 33 and movable push rod 32, moulding enter to arrange on son 31 stopper slot 310 and with the gathering sill that is connected with stopper slot 310.Movable push rod 32 is arranged in gathering sill, and its top is provided with spacing jacking block 320, and this spacing jacking block 320 is arranged in stopper slot 310, is used for restraint push rod 32 and moulding and enters the displacement that relatively moves between son 31.
Bilateral symmetry is processed with microscler skewed slot 321 on spacing jacking block 320, is respectively used to Connection Card and buckles into son 33, and the vertical operation of realization activity push rod 32 changes the level run that is snapped into son 33 into; The two described sons 33 that are snapped into are arranged on spacing jacking block 320 both sides, and be snapped into the son 33 1 ends insert in spacing jacking block 320, by removable pin 34 be connected skewed slot 321 and be connected with spacing jacking block 320, its other end passes the sidewall that moulding enters son 31, motion by spacing jacking block 320 realizes being snapped into son 33 and enters son 31 interior stretching motions in moulding, thereby further realizes the forming operation of the back-off bayonet socket 2 between the less spacing in injecting products inside.
It is worth mentioning that, be the lower end and connect firmly mutually with oblique top fixed head 22 referring to above-mentioned movable push rod 32 1 ends of Fig. 1 again, and be fixed on simultaneously and keep on the dynamic model backboard maintaining static, its other end is inserted in moulding enters son 31, by the effect of stopper slot 310 with spacing jacking block 320, achieve flexible connection.Guiding fixed head 24 and pressure plare 23 also are installed between oblique top fixed head 22 and die 21; this pressure plare 23 is arranged between guiding fixed head 24 and oblique top fixed head 22; fairlead 25 for the special operations push rod is installed in guiding fixed head 24; its effect is that guiding activity push rod 32 moves up and down; guarantee that movable push rod 32 avoids damaging, reduce its friction.
In addition, for ease of the formation of interiors of products shape, enter son 31 top in moulding and also process shaping mould 311 for product cavity top moulding, realize the moulding of product cavity top shape.
The present embodiment in use, as when producing oil pump cover connector 1, the son 33 that is snapped into that moulding enters sub 31 both sides stretches out, and it is shaped to two back-off bayonet sockets 2 of oil pump cover connector 1 inside, and the shaping mould at top is shaped to the end shape of oil pump cover connector 1 inside; When die sinking, fairlead 25, pressure plare 23 and oblique top fixed head 22 move upward together, and promotion activity push rod 32 moves upward; Along with movable push rod 32 moves upward and spacing jacking block 320 upwards operation in stopper slot 310, simultaneously two bayonet sockets enter son 33 under microscler skewed slot 321 effects can along with removable pin 34 in microscler skewed slot 321 to intermediary movements, realize that the function of loosing core namely is contracted in moulding and enters in son 31 and spacing jacking block 320; When spacing jacking block 320 moves to the top of stopper slot 310, movable push rod 32 continues operation, drive moulding and enter upwards operation of son 31, thereby realize the demoulding of the oil pump cover connector 1 of moulding, it is easy and simple to handle, has realized the moulding of two more closely spaced back-off bayonet sockets 2, has avoided damage of product, guarantee the quality of production in process of producing product, lowered production cost.
The present invention is mainly for shaped article inside back-off bayonet socket, realized the moulding of interiors of products back-off bayonet socket and be convenient to product stripping, avoided being snapped into son collision product and be snapped into son and damaged, guaranteed the quality of production of product, extend the mold use life-span, realized simultaneously the moulding of back-off bayonet socket, the interiors of products two back-off bayonet socket moulding that spacing is less; It is rational in infrastructure, and is easy and simple to handle, is easy to realize, security performance is high, has improved the production efficiency of enterprise, has guaranteed the performance of product.
Above demonstration 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 above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (6)
1. injection mold ejecting mechanism, comprise dynamic model, be arranged on the die on dynamic model and be arranged on the oblique top fixed head of die below, it is characterized in that, be provided with in described die for the inner back-off bayonet socket of inner cavity top moulding and shaped article and the moulding that ejects shaped article and eject into son; Described moulding ejects draws together a moulding into attached bag and enters son; Be arranged on moulding and enter on son, and enter the sub sub flexible movable push rod that moves and realize being snapped into for being snapped into son and driving moulding of moulding back-off bayonet socket; Described movable push rod one end connects firmly mutually with the oblique top fixed head, its other end enters subactivity with moulding and is connected, also be provided with spacing jacking block on described movable push rod one end, be provided for the microscler skewed slot that Connection Card buckles into son on described spacing jacking block, the described son that is snapped into is connected with spacing jacking block by the removable pin that can move in microscler skewed slot.
2. injection mold ejecting mechanism according to claim 1, it is characterized in that, enter to be provided with on son for restraint push rod and moulding in described moulding and enter the stopper slot of the displacement that relatively moves between son and the gathering sill that is connected with stopper slot, described movable push rod is arranged in gathering sill, and described spacing jacking block is arranged in stopper slot.
3. the described injection mold ejecting mechanism of any one according to claim 1 and 2, is characterized in that, also is provided with guiding fixed head and pressure plare between described oblique top fixed head and die, and described pressure plare is arranged between guiding fixed head and oblique top fixed head.
4. injection mold ejecting mechanism according to claim 3, is characterized in that, also is provided with fairlead in described guiding fixed head.
5. injection mold ejecting mechanism according to claim 1, is characterized in that, described be snapped into the son and microscler skewed slot all arrange two, be symmetricly set on spacing jacking block; Two describedly are snapped into the both sides that son is arranged on spacing jacking block, and the one end is inserted in spacing jacking block.
6. the described injection mold ejecting mechanism of any one according to claim 1 and 2, is characterized in that, the top that described moulding enters son also is provided with the shaping mould for product cavity top moulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110354766 CN102357995B (en) | 2011-11-10 | 2011-11-10 | Ejection mechanism for injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110354766 CN102357995B (en) | 2011-11-10 | 2011-11-10 | Ejection mechanism for injection mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357995A CN102357995A (en) | 2012-02-22 |
| CN102357995B true CN102357995B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110354766 Active CN102357995B (en) | 2011-11-10 | 2011-11-10 | Ejection mechanism for injection mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113059762B (en) * | 2021-04-06 | 2022-06-17 | 宁海县第一注塑模具有限公司 | Demoulding device of injection mould for internal and external inverted buckle structure |
| CN114559606A (en) * | 2022-02-28 | 2022-05-31 | 歌尔股份有限公司 | Clamp spring machining die and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102139524B (en) * | 2011-02-19 | 2013-04-17 | 宁海县永诚模具有限公司 | Injection mould for automobile fuel tank fuel filler cap |
| CN202293200U (en) * | 2011-11-10 | 2012-07-04 | 珀尔曼机电(昆山)有限公司 | Ejection mechanism of injection mould |
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| CN102357995A (en) | 2012-02-22 |
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