CN102357995A - Ejection mechanism for injection mold - Google Patents
Ejection mechanism for injection mold Download PDFInfo
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- CN102357995A CN102357995A CN2011103547666A CN201110354766A CN102357995A CN 102357995 A CN102357995 A CN 102357995A CN 2011103547666 A CN2011103547666 A CN 2011103547666A CN 201110354766 A CN201110354766 A CN 201110354766A CN 102357995 A CN102357995 A CN 102357995A
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- injection mold
- jacking block
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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 the present industrial processes, mainly is made up of cover half, dynamic model, ejecting mechanism; On dynamic model, during mould die sinking, with workbench retreat often by dynamic model for ejecting mechanism; Decide dynamic model separately, after dynamic model retreated into certain position, the ejecting mechanism that the push pedal on the injection machine promotes mould ejected product; To the recessed product of some sides, often to accomplish die sinking through oblique top mechanism is set, tiltedly offer corresponding molding character on the top; After formed product, the promotion decline shaped article that tiltedly withstands on injection machine ejects, and accomplishes die sinking.
And existing injection mold is when production has the product of inboard back-off, and like 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, the distance between its inner chamber both sides back-off is less, in the injection moulding production process; Existing oblique teeming often causes the back-off bayonet socket of its both sides can't one-shot forming when molded, the oil pump cover inner chamber is less simultaneously, tiltedly the top go up form the back-off bayonet socket go into son owing to can't shrink; Collision product is inner easily to make it; Influence the quality of production of product and the tiltedly damage on top, during the back-off bayonet socket of the inner both sides of moulding especially simultaneously, because spacing is too little between the two back-off bayonet sockets; Tiltedly the fastening forming on the top is gone into son and can't be realized withdrawing from and ejecting, and its injection moulding can't be produced; And the shape of top of chamber can't realize moulding equally in the oil pump cover, causes its product to be difficult to produce.
Summary of the invention
To the deficiency that exists on the prior art, the present invention seeks to be to provide a kind of and can realize the inner back-off bayonet socket of shaped article, 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 of product and the service life of mould.
To achieve these goals, the present invention realizes through following technical scheme:
The injection mold ejecting mechanism; Comprise dynamic model, be arranged on the die on the dynamic model and be arranged on the oblique top fixed head of die below; It is characterized in that, in said die, be provided with the inner back-off bayonet socket of top of chamber moulding in being used for and shaped article and eject into son with the moulding that ejects shaped article; Said moulding ejects into son and comprises that a moulding goes into son; Be arranged on moulding and go on the son, and be used for moulding back-off bayonet socket be snapped into son and drive moulding to go into son and move and realize being snapped into the flexible movable push rod of son, said movable push rod one end connects firmly with oblique top fixed head mutually, its other end is gone into subactivity with moulding and is connected; Through upwards ejecting of movable push rod, drive moulding and go into son and eject and be snapped into son and shrink, realized moulding and the stripping result of product of the inner back-off bayonet socket of product of small distance.
Further; Also be provided with spacing jacking block on said movable push rod one end; On said spacing jacking block, be provided for the microscler skewed slot that Connection Card buckles into son; The said son that is snapped into is connected with spacing jacking block through the removable pin that can in microscler skewed slot, move, and the vertical operation of realization activity push rod changes the level run that is snapped into son into, is snapped into son realization Telescopic in son is gone in moulding thereby make.
Further; Said moulding is gone into son and is provided with and is used for the restraint push rod and goes into the stopper slot of the displacement that relatively moves between the son and the gathering sill that is connected with stopper slot with moulding; Said movable push rod is arranged in the gathering sill, and said spacing jacking block is arranged in the stopper slot.
Further, also be provided with guide securement plate and pressure plare between said oblique top fixed head and the die, said pressure plare is arranged between guide securement plate and the oblique top fixed head.
As preferred version, also be provided with fairlead in the said guide securement plate, 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, said be snapped into the son and microscler skewed slot all be provided with two, be symmetricly set on the spacing jacking block; Two saidly are snapped into the both sides that son is arranged on spacing jacking block, and the one of which end inserts in the spacing jacking block, are connected with spacing jacking block with microscler skewed slot through removable pin, realize the moulding of the back-off bayonet socket between the inner less spacing of product.
As preferred version, the top that son is gone in said moulding also is provided with the shaping mould that is used for the moulding of product cavity top, is convenient to form the shape moulding at product cavity top.
The present invention goes into son, telescopic son and the movable push rod of being snapped into through moulding is set; Realize the moulding of the inner back-off bayonet socket of product and be convenient to product stripping; Avoided being snapped into son collision product and be snapped into son and damaged; Guarantee the quality of production of product, prolonged the service life of mould, realized the moulding of back-off bayonet socket, the less inner two back-off bayonet socket moulding of product of spacing simultaneously; 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 performance of products.
Description of drawings
Specify the present invention below in conjunction with the accompanying drawing and the specific embodiment;
Fig. 1 is one embodiment of the invention;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 ejects the structural representation into son for moulding of the present invention;
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 and be easy to understand and 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 product set inside such as injection moulding production such as oil pump cover connector 1 has back-off bayonet socket 2; Between the two back-off bayonet sockets 2 in the less production product injection mold of spacing, it comprises cover half 10, dynamic model 20, be installed at the die on the dynamic model 20 21 and be arranged on the oblique top fixed head 22 below the die 21; Moulding is installed in die 21 ejects, be used for the inner back-off bayonet socket 2 of the moulding of product cavity top and shaped article and eject shaped article, realized moulding and the stripping result of product of the product inside back-off bayonet socket 2 of two small distances into son 30.
In the present embodiment, referring to Fig. 2 and Fig. 3, above-mentioned moulding ejects into son 30 and comprises that moulding goes into son 31, is snapped into son 33 and movable push rod 32, moulding go into to be provided with on the son 31 stopper slot 310 and with the gathering sill that is connected with stopper slot 310.Movable push rod 32 is arranged in the gathering sill, and its top is provided with spacing jacking block 320, and this spacing jacking block 320 is arranged in the stopper slot 310, is used for restraint push rod 32 and moulding and goes into the displacement that relatively moves between the son 31.
Bilateral symmetry is processed with microscler skewed slot 321 on spacing jacking block 320, is respectively applied for 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 said 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 the spacing jacking block 320; Be connected with spacing jacking block 320 with microscler skewed slot 321 through removable pin 34; Its other end passes moulding and goes into son 31 sidewall, and the motion realization through spacing jacking block 320 is snapped into son 33 stretching motion in son 31 is gone in moulding, thereby further realizes the forming operation of the back-off bayonet socket 2 between the less spacing in injecting products inside.
What deserves to be mentioned is; Be the lower end and connect firmly mutually referring to above-mentioned movable push rod 32 1 ends of Fig. 1 again with oblique top fixed head 22; And be fixed on simultaneously and keep fixed on the dynamic model backboard; Its other end is inserted in son 31 is gone in moulding, through the effect of stopper slot 310 with spacing jacking block 320, achieves flexible connection.Guide securement plate 24 and pressure plare 23 tiltedly also are being installed between top fixed head 22 and the die 21; This pressure plare 23 is arranged between guide securement plate 24 and the oblique top fixed head 22; The fairlead 25 that is used for the special operations push rod is installed in guide securement plate 24; Its effect is that guiding activity push rod 32 moves up and down, guarantees that movable push rod 32 avoids damaging, and reduces its friction.
In addition, for ease of the formation of product interior shape, the top of going into son 31 in moulding also processes the shaping mould 311 that is used for the moulding of product cavity top, realizes the moulding of product cavity top shape.
Present embodiment in use; As when producing oil pump cover connector 1; The son 33 that is snapped into that sub 31 both sides are gone in moulding 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 go into son 33 microscler skewed slot 321 effects down can along with removable pin 34 in microscler skewed slot 321 to intermediary movements, realize the function of loosing core promptly be contracted in moulding go into sub 31 and spacing jacking block 320 in; When spacing jacking block 320 moved to the top of stopper slot 310, movable push rod 32 continued operation, drove moulding and went into 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 the back-off bayonet socket 2 of two less spacings, has avoided damage of product; Guarantee the quality of production in the process of producing product, lowered production cost.
The present invention is used for the inner back-off bayonet socket of shaped article; Realize the moulding of the inner back-off bayonet socket of product and be convenient to product stripping; Avoided being snapped into son collision product and be snapped into son and damaged; Guarantee the quality of production of product, prolonged the service life of mould, realized the moulding of back-off bayonet socket, the less inner two back-off bayonet socket moulding of product of spacing simultaneously; 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 performance of products.
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 (7)
1. injection mold ejecting mechanism; Comprise dynamic model, be arranged on the die on the dynamic model and be arranged on the oblique top fixed head of die below; It is characterized in that, in said die, be provided with the inner back-off bayonet socket of top of chamber moulding in being used for and shaped article and eject into son with the moulding that ejects shaped article; Said moulding ejects into son and comprises that a moulding goes into son; Be arranged on moulding and go on the son, and be used for moulding back-off bayonet socket be snapped into son and drive moulding to go into son and move and realize being snapped into the flexible movable push rod of son; Said movable push rod one end connects firmly with oblique top fixed head mutually, and its other end is gone into subactivity with moulding and is connected.
2. injection mold ejecting mechanism according to claim 1; It is characterized in that; Also be provided with spacing jacking block on said movable push rod one end; On said spacing jacking block, be provided for the microscler skewed slot that Connection Card buckles into son, the said son that is snapped into is connected with spacing jacking block through the removable pin that can in microscler skewed slot, move.
3. injection mold ejecting mechanism according to claim 2; It is characterized in that; Said moulding is gone into son and is provided with and is used for the restraint push rod and goes into the stopper slot of the displacement that relatively moves between the son and the gathering sill that is connected with stopper slot with moulding; Said movable push rod is arranged in the gathering sill, and said spacing jacking block is arranged in the stopper slot.
4. according to any described injection mold ejecting mechanism of claim 1 to 3, it is characterized in that, also be provided with guide securement plate and pressure plare between said oblique top fixed head and the die, said pressure plare is arranged between guide securement plate and the oblique top fixed head.
5. injection mold ejecting mechanism according to claim 4 is characterized in that, also is provided with fairlead in the said guide securement plate.
6. injection mold ejecting mechanism according to claim 2 is characterized in that, said be snapped into the son and microscler skewed slot all be provided with two, be symmetricly set on the spacing jacking block; Two saidly are snapped into the both sides that son is arranged on spacing jacking block, and the one of which end is inserted in the spacing jacking block.
7. according to any described injection mold ejecting mechanism of claim 1 to 3, it is characterized in that the top that son is gone in said moulding also is provided with the shaping mould that is used for the moulding of product cavity top.
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 |
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| Publication Number | Publication Date |
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| CN102357995A true CN102357995A (en) | 2012-02-22 |
| CN102357995B CN102357995B (en) | 2013-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110354766 Active CN102357995B (en) | 2011-11-10 | 2011-11-10 | Ejection mechanism for injection mold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059762A (en) * | 2021-04-06 | 2021-07-02 | 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139524A (en) * | 2011-02-19 | 2011-08-03 | 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 |
-
2011
- 2011-11-10 CN CN 201110354766 patent/CN102357995B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102139524A (en) * | 2011-02-19 | 2011-08-03 | 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 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113059762A (en) * | 2021-04-06 | 2021-07-02 | 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 |
| 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 |
| CN114559606B (en) * | 2022-02-28 | 2024-05-24 | 歌尔股份有限公司 | Clamp spring processing die and method |
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| Publication number | Publication date |
|---|---|
| CN102357995B (en) | 2013-06-12 |
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