CN212239139U - A secondary ejection mechanism and die casting die for die casting die - Google Patents

Abstract

The application discloses a secondary ejection mechanism for a die-casting die and the die-casting die, which comprise a die plate and a movable plate capable of moving up and down relative to the die plate, wherein the movable plate capable of moving up and down relative to the movable plate and the die plate is further arranged between the movable plate and the die plate, a tilting part is hinged on the movable plate, and the die plate is provided with a tilting ejection part right facing one side of the tilting part; the movable plate is used for driving the opposite side of the tilting piece to upwards push the movable plate towards the template is close to, and the movable plate is provided with an ejector pin capable of ejecting a formed product on the template when the movable plate is close to the template. The technical problem that parts of a die or a secondary ejection structure are damaged due to the fact that fatigue risks can occur in the operation process of a spring box structure of the die to cause failure risks is solved.

Description

A secondary ejection mechanism and die casting die for die casting die

[ technical field ] A method for producing a semiconductor device

The application relates to the technical field of dies, in particular to a secondary ejection mechanism for a die-casting die and the die-casting die.

[ background of the invention ]

At present, spring box structures are mostly used in secondary ejection die casting molds, the springs can cause failure risks due to fatigue in the operation process, parts of the secondary ejection structures or collision dies can be damaged due to failure, the molds are frequently required to be removed for modifying, the production benefits are influenced, and the requirements of production enterprises can not be guaranteed.

[ Utility model ] content

The spring box structure is mostly used to present ejecting die casting die of secondary, and the spring can appear the fatigue condition in the operation process and arouse the inefficacy risk, and can arouse after the inefficacy that the part that appears hitting mould or the ejecting structure of secondary appears damaging technical problem, provides secondary ejection mechanism and die casting die.

In order to solve the technical problem, the method is realized by the following technical scheme:

a secondary ejection mechanism for a die-casting die comprises a die plate and a movable plate capable of moving up and down relative to the die plate, wherein a movable plate capable of moving up and down relative to the movable plate and the die plate is further arranged between the movable plate and the die plate, a tilting part is hinged to the movable plate, and a tilting part opposite to one side of the tilting part is arranged on the die plate; the movable plate is used for driving the opposite side of the tilting piece to upwards push the movable plate towards the template is close to, and the movable plate is provided with an ejector pin capable of ejecting a formed product on the template when the movable plate is close to the template.

The template comprises a first template and a second template, a molded product is formed between the first template and the second template, and the molded product is molded on the second template;

the movable plate is provided with a first ejection device, the first ejection device penetrates through the first template and the movable plate, and the movable plate can push the tilting piece through the first ejection device when approaching the second template so as to separate the second template from the first template.

The movable plate is also provided with an accommodating groove for accommodating the tilting piece;

the tilting piece is pivoted on the movable plate through a steering pin arranged on the accommodating groove.

The tilting piece comprises a first pressing piece arranged on the template and a second pressing piece movably arranged on the moving plate, and when the moving plate approaches the template, the first pressing piece can push the second pressing piece to press one side of the tilting piece, so that the other side of the tilting piece pushes the moving plate to approach the template.

The movable plate is further provided with a slide way for accommodating the second pressing piece, a limiting piece is arranged in the slide way, the second pressing piece is provided with a flange, and the flange is matched with the limiting piece to limit the second pressing piece to slide out of the slide way towards the template.

Still be equipped with between first template and the second template and prescribe a limit to the first stop device of separation height between first template and the second template, first stop device includes: locate spacing post on the second template to and locate the removal passageway on the first template, be equipped with on the removal passageway with the boss that spacing post leaned on each other, the fly leaf drive first ejecting device top is leaned on the second template, spacing post is in slide until the top leans on in the removal passageway the boss, in order to inject separation height between first template and the second template.

The movable plate includes: the first movable plate and the second movable plate are detachably connected, and the accommodating groove extends from the first movable plate to the second movable plate.

The moving plate includes: the first movable plate and the second movable plate can be detachably connected, and the slide way extends to the second movable plate from the first movable plate.

A die casting mold comprising: the secondary ejection mechanism for the die-casting die is described above.

And the second movable template is provided with a movable mold core and a push plate insert, and the ejector pin slides upwards to eject a molded product in the movable mold core and the push plate insert.

Compared with the prior art, the utility model has the following outstanding advantages:

this application is through setting up the piece is changeed in the perk and the piece replaces spring box structure of perk top, the piece is changeed in the perk and the piece is realized the thimble upwards through the rod principle will shaping result in the template is ejecting, replace the straight up-down mode of spring box structure, the tired situation of machinery has been reduced, the life-span of using has been improved, will perk the piece, perk top and thimble and set up respectively on fly leaf, template and movable plate, utilize the fly leaf, the active relation of template and movable plate is ejecting with shaping result, the tired situation of each part machinery has been reduced, the life-span of using has been improved, this application solves the most spring box structures that all use of present ejecting die casting die of secondary, the spring can appear fatigue condition in the operation and arouse the risk of becoming invalid, and can arouse after becoming invalid and hit the mould or the part of ejecting structure of secondary appears.

[ description of the drawings ]

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a cross-sectional view from a first perspective of the present application of a secondary ejection mechanism for a die casting mold and a die casting mold.

Fig. 2 is a sectional view showing a secondary ejection mechanism for a die casting mold according to the present application and a use state of the die casting mold.

Fig. 3 is a cross-sectional view from a second perspective of the present secondary ejection mechanism for a die casting mold and the die casting mold.

[ detailed description ] embodiments

The present application will be described in further detail below with reference to the accompanying drawings by way of specific embodiments.

As shown in fig. 1 to 3, a secondary ejection mechanism for a die casting mold comprises a mold plate 10 and a movable plate 20 capable of moving up and down relative to the mold plate 10, wherein a movable plate 30 capable of moving up and down relative to the movable plate 20 and the mold plate 10 is further arranged between the movable plate 20 and the mold plate 10, a tilting member 210 is hinged on the movable plate 20, and a tilting member 40 facing one side of the tilting member 210 is arranged on the mold plate 10; when the movable plate 20 approaches the mold plate 10, one side of the tilting member 210 rotates under the jacking action of the tilting member 40 to drive the other side of the tilting member 210 to push the movable plate 30 to approach the mold plate 10, and the movable plate 30 is provided with a thimble 310 capable of ejecting a molded product on the mold plate 10 when the movable plate 30 approaches the mold plate 10. According to the die-casting die, the warping rotating piece 210 and the warping top piece 40 are arranged to replace a spring box structure, the warping rotating piece 210 and the warping top piece 40 realize that the ejector pin 310 slides upwards to eject a formed product in the die plate 10 through a rod principle, the mode that the spring box structure is replaced to be straight up and down reduces the mechanical fatigue condition, the service life of the die is prolonged, the warping rotating piece 210, the warping top piece 40 and the ejector pin 310 are respectively arranged on the movable plate 20, the die plate 10 and the movable plate 30, the formed product is ejected by utilizing the activity relation of the movable plate 20, the die plate 10 and the movable plate 30, the mechanical fatigue condition of each component is reduced, the service life of the die is prolonged, the problem that most of the existing secondary ejection die-casting dies use the spring box structure is solved, and the fatigue condition of a spring can cause failure risk in the operation, the technical problem that parts with a die collision or secondary ejection structure are damaged after the parts fail is caused; the shaped product may be sprue gate scrap, ladle scrap, or a shaped product.

The mold plate 10 includes a first mold plate 110 and a second mold plate 120, a molded product is formed between the first mold plate 110 and the second mold plate 120, and the molded product is molded on the second mold plate 120; the movable plate 20 is further provided with a first ejection device 250, the first ejection device 250 penetrates through the first mold plate 110 and the movable plate 30, and when the movable plate 20 approaches the second mold plate 120, the tilting member 210 can be pushed by the first ejection device 250, so as to separate the second mold plate 120 from the first mold plate 110. Moving the movable plate 20 toward the second mold plate 120, sliding the first ejector 250 against the first mold plate 110 to separate the first mold plate 110 from the second mold plate 120, and taking out the molded product from the second mold plate 120; the ejecting device 250 is not only used for ejecting the second form 120, but also can be used as a guiding mechanism for guiding and positioning the form 110 and the second form 120 during moving up and down, so as to avoid the dislocation of the first form 110 and the second form 120 caused by movement.

The movable plate 20 is further provided with an accommodating groove 200 for accommodating the tilting member 210; the tilting member 210 is pivotally connected to the movable plate 20 by a steering pin 220 disposed on the receiving groove 200. The turning pin 220 and the tilting member 210 raise the moving plate 30 by the lever law, so that the ejector pin 310 ejects the molded product on the mold plate 10; the efficiency of jacking is improved, mechanical fatigue has been reduced, the natural state of perk commentaries on classics piece 210 is straight position, when perk commentaries on classics piece 210 uses, second press part 420 supports and presses one side of perk commentaries on classics piece 210 is rotatory downwards, the opposite side of perk commentaries on classics piece 210 upwards rotates, and the jacking fly leaf 20, thimble 310 upwards slides, until will shaping result on the second template 120 is ejecting, perk commentaries on classics piece 210 with steering pin 220 simple structure, simple to operate, the change of being convenient for.

The tilting member 40 includes a first pressing member 410 disposed on the mold plate 10 and a second pressing member 420 movably disposed on the moving plate 30, and when the moving plate 20 approaches the mold plate 10, the first pressing member 410 can push the second pressing member 420 to press the tilting member 210, so that the other side of the tilting member pushes the moving plate 30 to approach the mold plate 10. The moving plate 30 moves towards the first moving mold plate 310 until the second pressing piece 420 and the first pressing piece 410 abut against each other, the first pressing piece 410 can push the second pressing piece 420 to press one side of the tilting piece 210, so that the other side of the tilting piece 210 pushes the moving plate 30 to approach the mold plate 10, and the moving plate 30 is separated from the moving plate 20.

The moving plate 30 is further provided with a slide 300 for accommodating the second pressing element 420, the slide 300 is provided with a limiting element 320, the second pressing element 420 is provided with a flange 421, and the flange 421 cooperates with the limiting element 220 to limit the second pressing element 420 to slide out of the slide 300 towards the form 10. The limiting member 320 limits the moving distance of the second pressing member 420 in the sliding track 300, so as to prevent the second pressing member 420 from sliding out of the moving plate 30, and when the tilting member 210 is at a straight position, the second pressing member 420 abuts against the limiting member 220, so that the moving plate 30 and the moving plate 20 are in contact with each other.

A first limiting device 50 for limiting the separation height between the first mold plate 110 and the second mold plate 120 is further disposed between the first mold plate 110 and the second mold plate 120, and the first limiting device 50 includes: the movable plate 20 drives the first ejection device 250 to abut against the second template 120, and the limit column 510 slides in the movable channel 520 until abutting against the boss 521, so as to limit the separation height between the first template 110 and the second template 120. The first position-limiting device 50 is used for limiting the separation height between the first mold plate 110 and the second mold plate 120, so as to prevent the second mold plate 120 from being excessively lifted by the first ejection device 250, the ejector pin 310 cannot be released and lift the molded product in the second mold plate 120 after sliding upwards, the first position-limiting device 50 can also be used as a guide structure between the first mold plate 110 and the second mold plate 120, so as to prevent the first mold plate 110 and the second mold plate 120 from being displaced due to movement, the position-limiting post 510 is fixedly mounted on the second mold plate 120 through a screw, the boss 521 abuts against the position-limiting post 510, so as to limit the position-limiting post 510 from sliding out of the moving channel 520, and therefore, the moving distance between the first movable mold plate 310 and the second movable mold plate 320 is determined by the position, the depth of the moving channel 520 and the length of the spacing column 510 determine, and the first spacing device 50 has a simple structure, is convenient to disassemble and assemble, and is convenient to replace and replace.

The movable plate 20 includes: a first movable plate 230 and a second movable plate 240 detachably connected, wherein the receiving groove 200 extends from the first movable plate 230 to the second movable plate 240. First movable plate 230 and second movable plate 240 can dismantle the connection, are convenient for install first ejecting device 250, perk piece 210 and steering pin 220 when first ejecting device 250, perk piece 210 or steering pin 220 damaged, convenient to detach replacement can be changed moreover and the first liftout plate 10 and the second liftout plate 10 that possess not equidimension holding tank 200 are adapted to different products and are changed, movable plate 20 simple structure, easy dismounting is convenient for change and substitute.

The moving plate 30 includes: a first movable plate 330 and a second movable plate 340 detachably connected, and the slide 300 extends from the first movable plate 330 to the second movable plate 340. The first moving plate 330 and the second moving plate 340 are detachably connected, so that the first thimble 310, the second pressing piece 420 and the rotation limiting piece 320 can be conveniently installed, when the thimble 310, the second pressing piece 420 and the rotation limiting piece 320 are damaged, the first thimble 330 and the second thimble 340 with the slideways 300 of different sizes can be conveniently detached and replaced, the first thimble 330 and the second thimble 340 can be replaced, the replacement is suitable for different products, and the moving plate 30 is simple in structure, convenient to detach and replace.

A die casting mold, comprising: a secondary ejection mechanism for a die casting mold as described above. According to the die-casting die, the warping rotating piece 210 and the warping top piece 40 are arranged to replace a spring box structure, the warping rotating piece 210 and the warping top piece 40 realize that the ejector pin 310 slides upwards to eject a formed product in the die plate 10 through a rod principle, the mode that the spring box structure is replaced to be straight up and down reduces the mechanical fatigue condition, the service life of the die is prolonged, the warping rotating piece 210, the warping top piece 40 and the ejector pin 310 are respectively arranged on the movable plate 20, the die plate 10 and the movable plate 30, the formed product is ejected by utilizing the activity relation of the movable plate 20, the die plate 10 and the movable plate 30, the mechanical fatigue condition of each component is reduced, the service life of the die is prolonged, the problem that most of the existing secondary ejection die-casting dies use the spring box structure is solved, and the fatigue condition of a spring can cause failure risk in the operation, and the technical problem that parts with a die-impacting or secondary ejection structure are damaged can be caused after the parts fail.

The die plate 10 is provided with a movable die core 121 and a push plate insert 122, and the ejector pin 310 slides upward to eject a molded product in the movable die core 121 and the push plate insert 122. The molded product may be water channel opening waste and slag ladle waste formed in the moving mold core 121 and the push plate insert 122 or a molded product, and the water channel opening waste and slag ladle waste or the molded product formed in the moving mold core 121 and the push plate insert 122 is ejected through the ejector pin 310.

The working principle is as follows:

firstly, under the action of the die opening mechanical force of the die casting machine, the die plate 10 and the die plate on one side are firstly separated, namely, the parting surface is firstly opened, after the die casting machine is completely opened, the ejector rods of the die casting machine can drive the movable plate 20 and the movable plate 30 to move towards the die plate 10 and be close to the die plate 10, the first ejection device 250 on the movable plate 20 abuts against the first die plate 110 in the ejection process, the first die plate 110 and the second die plate 120 are driven to be separated, namely, the parting surface is secondly opened, and the ejection height is limited by the matching distance of the boss 521 on the limiting column 510 and the moving channel 520. The movable plate 20 and the movable plate 30 continue to move until the first pressing piece 410 and the second pressing piece 420 contact, and when the ejector rod of the die casting machine continues to eject, the second pressing piece 420 presses and drives one side of the tilting piece 210 to rotate downwards, the other side of the tilting piece 210 obliquely ejects the movable plate 30, the movable plate 30 is separated from the movable plate 20, at this time, the ejector pin 310 installed on the movable plate 30 moves to the second die plate 120 along with the movable plate 30, and the molded product in the second die plate 120 is ejected.

As described above, the embodiments of the present application have been described in detail, but the present application is not limited to the above embodiments. Even if various changes are made in the present application, the protection scope of the present application is still included.

Claims (10)

1. The secondary ejection mechanism for the die-casting die is characterized by comprising a die plate (10) and a movable plate (20) capable of moving up and down relative to the die plate (10), wherein a movable plate (30) capable of moving up and down relative to the movable plate (20) and the die plate (10) is further arranged between the movable plate (20) and the die plate (10), a tilting part (210) is hinged to the movable plate (20), and a tilting part (40) opposite to one side of the tilting part (210) is arranged on the die plate (10);

the movable plate (20) to when template (10) is close to, the one side of perk piece (210) is in rotate under the roof pressure effect of perk piece (40), the drive the opposite side of perk piece (210) upwards promotes movable plate (30) court template (10) are close to, be equipped with on movable plate (30) and be close to movable plate (30) can be with ejecting thimble (310) of the shaping result on template (10) when template (10).

2. The secondary ejection mechanism for a die casting mold as claimed in claim 1, wherein: the template (10) comprises a first template (110) and a second template (120), a molded product is formed between the first template (110) and the second template (120), and the molded product is molded on the second template (120);

the movable plate (20) is further provided with a first ejection device (250), the first ejection device (250) penetrates through the first template (110) and the movable plate (30), and when the movable plate (20) approaches the second template (120), the tilting piece (210) can be pushed through the first ejection device (250) so as to separate the second template (120) from the first template (110).

3. The secondary ejection mechanism for a die casting mold as claimed in claim 2, wherein: the movable plate (20) is also provided with an accommodating groove (200) for accommodating the tilting piece (210);

the tilting piece (210) is pivoted on the movable plate (20) through a steering pin (220) arranged on the accommodating groove (200).

4. The secondary ejection mechanism for a die casting mold as claimed in claim 2, wherein: the tilting piece (40) comprises a first pressing piece (410) arranged on the template (10) and a second pressing piece (420) movably arranged on the moving plate (30), when the moving plate (20) approaches to the template (10), the first pressing piece (410) can push the second pressing piece (420) to press one side of the tilting piece (210), so that the other side of the tilting piece (210) pushes the moving plate (30) to approach to the template (10).

5. The secondary ejection mechanism for a die casting mold as claimed in claim 4, wherein: the moving plate (30) is further provided with a slide way (300) for accommodating the second pressing piece (420), a limiting piece (320) is arranged in the slide way (300), the second pressing piece (420) is provided with a flange (421), and the flange (421) is matched with the limiting piece (320) to limit the second pressing piece (420) to slide out of the slide way (300) towards the template (10).

6. The secondary ejection mechanism for a die casting mold as claimed in claim 2, wherein: a first limiting device (50) for limiting the separation height between the first template (110) and the second template (120) is further arranged between the first template (110) and the second template (120), and the first limiting device (50) comprises: the movable template comprises a limiting column (510) arranged on the second template (120) and a movable channel (520) arranged on the first template (110), wherein a boss (521) abutted against the limiting column (510) is arranged on the movable channel (520), the movable plate (20) drives the first ejection device (250) to abut against the second template (120), and the limiting column (510) slides in the movable channel (520) until abutting against the boss (521) so as to limit the separation height between the first template (110) and the second template (120).

7. The secondary ejection mechanism for a die casting mold as claimed in claim 3, wherein: the movable plate (20) comprises: a first movable plate (230) and a second movable plate (240) detachably connected, the receiving groove (200) extending from the first movable plate (230) to the second movable plate (240).

8. The secondary ejection mechanism for a die casting mold as claimed in claim 5, wherein: the moving plate (30) comprises: the first moving plate (330) and the second moving plate (340) are detachably connected, and the slide way (300) extends from the first moving plate (330) to the second moving plate (340).

9. A die casting mold, comprising: a secondary ejection mechanism for a die casting mold as claimed in any one of claims 1 to 8.

10. The die casting mold of claim 9, wherein: the die plate (10) is provided with a movable die core (121) and a push plate insert (122), and the thimble (310) slides upwards to eject a molded product in the movable die core (121) and the push plate insert (122).

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