CN212528567U - Sliding block ejection die - Google Patents

Sliding block ejection die Download PDF

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Publication number
CN212528567U
CN212528567U CN202021250506.5U CN202021250506U CN212528567U CN 212528567 U CN212528567 U CN 212528567U CN 202021250506 U CN202021250506 U CN 202021250506U CN 212528567 U CN212528567 U CN 212528567U
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China
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die
slide
sliding
insert
base
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CN202021250506.5U
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Chinese (zh)
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宛君
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Fulai Precision Mold Zhongshan Co ltd
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Fulai Precision Mold Zhongshan Co ltd
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Abstract

The application discloses ejecting mould of slider includes: the two sides of the front die are provided with an inclined guide post and a shovel base, the inclined guide post is obliquely arranged between the front die and the shovel base, and the shovel base is provided with a first inclined surface and a material ejecting surface, wherein the first inclined surface is arranged corresponding to the inclined guide post, and the material ejecting surface is connected below the first inclined surface; the front die is provided with a front die insert, two sides of the front die insert are provided with sliding block assemblies arranged on the rear die, and the sliding block assemblies are provided with inclined holes in clearance fit with the inclined guide posts, second inclined planes corresponding to the first inclined planes and sliding material planes corresponding to the material ejection surfaces. The utility model discloses a top charge level position and inclined hole clearance that set up on the shovel base of slider to do not need the front mould to release the structure, reduced the cost of mould preparation, make mould thickness reduce simultaneously, the make-up machine tonnage reduces, has reduced the manufacturing cost of product.

Description

Sliding block ejection die
Technical Field
The utility model relates to a technical field in the aspect of injection mold especially relates to an ejecting mould of slider.
Background
Because the front mould side of the injection molding machine table has no push-out function, a product cannot be left in the front mould after the mould is opened, for some plastic products which are easy to clamp the front mould, a push-out mechanism needs to be set in the front mould, but the mould after the push-out mechanism is added is thick, the manufacturing cost of the mould is high, and the production cost of the product is high. The prior art is that a thimble ejection mechanism is additionally arranged on a front mould to solve the problem that a product is clamped on the front mould, but the thimble ejection structure of the front mould is complex, the manufacturing cost is high, the mould is thick, the tonnage of an injection moulding machine table is increased, and the production cost of the product is improved.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
The utility model aims at providing an ejecting mould of slider through the liftout surface position and the inclined hole clearance that set up on the shovel base at the slider to do not need the front mould to release the structure, reduced the cost of mould preparation, make mould thickness reduce simultaneously, the make-up machine tonnage reduces, has reduced the manufacturing cost of product.
(II) technical scheme
In order to achieve the above object, the utility model discloses a following technical scheme is in order to provide an ejecting mould of slider, include:
the sliding block component is arranged between the front die and the rear die, a shovel base is arranged on one side of the sliding block component, an inclined hole for an inclined guide post to slide through and a first inclined sliding surface parallel to the inclined hole are arranged on the sliding block component, a second inclined sliding surface which is in conflict sliding with the first inclined sliding surface is arranged on the shovel base, and when the rear die drives the sliding block component to be separated from the front die, the sliding block component obliquely moves along the two sides of the rear die under the sliding cooperation of the inclined guide post and the shovel base so as to pull open the distance between the sliding block component and the rear die.
When the mold is opened, the rear mold and the sliding block component move downwards under the action of the material ejecting surface position and the inclined hole gap, the sliding block component does not move laterally to loose the core at the moment, and the sliding block component firmly presses the injection molding product on the rear mold; after the mold is opened, when the sliding block component firmly presses the injection molding product on the rear mold, the sliding block component starts to move laterally under the action of the inclined guide post to be separated from the front mold insert when the mold is opened to a position away from the material ejection surface, and then the ejector rod of the molding machine can push out the injection molding product from the rear mold, so that the normal production of the product is realized. Therefore, the material ejecting surface position and the inclined hole gap are arranged on the shovel base of the sliding block, so that a front die push-out structure is not needed, the cost of die manufacturing is reduced, the thickness of the die is reduced, the tonnage of a forming machine is reduced, and the production cost of products is reduced.
In some embodiments, the first inclined sliding surface comprises a first inclined surface and a sliding surface vertically connected below the first inclined surface, the second inclined sliding surface comprises a second inclined surface parallel to the first inclined surface, a material ejecting surface vertically connected below the second inclined surface and parallel to the sliding surface, and a third inclined surface extending below the material ejecting surface and parallel to the second inclined surface, and an inclined surface gap is arranged between the second inclined surface and the third inclined surface. Wherein, through the sliding fit of material ejection face and oblique guide pillar, when making slider component follow the back mould and move down, make slider component pass through the inclined hole and lead the batter post and conflict the slip, at this moment, slider component follows the batter post and moves down under the sliding fit of material ejection face and material ejection face, when first material ejection face butts to the third batter face, because be equipped with the inclined plane clearance between second inclined plane and the third batter face, slider component downward sloping removal under the sliding fit on first inclined plane and third inclined plane, at this moment, slider component is leading thereby the batter post is contradicted to slide and is driven slider component along back mould both sides downward sloping removal, thereby the side direction ejecting motion of slider component is realized, thereby realize the ejecting structure of the ejection of compact that changes the die sinking order.
In some embodiments, the inclined hole is in clearance fit with the inclined guide pillar, and the clearance of the inclined hole and the inclined guide pillar is larger than the clearance of the inclined plane. Therefore, the inclined plane gap and the inclined hole gap are matched, so that when the rear die and the sliding block assembly move downwards along the first inclined sliding surface, the sliding block assembly can not abut against the inclined guide post and does not move laterally to loose the core, and the sliding block assembly can firmly press the injection molding product on the rear die; after the mold is opened, when the sliding block assembly and the rear mold are opened to a position away from the material ejecting surface, the inclined hole gap does not exist the condition that the sliding block assembly is not abutted to the inclined guide post, so that the sliding block assembly starts to move laterally under the action of the inclined guide post to be ejected from the front mold insert, and then the ejector rod of the forming machine can push out an injection molding product from the rear mold, thereby realizing the normal production of products.
In some embodiments, the slider assembly comprises: the injection molding device comprises a slide block insert and a slide block seat, wherein the slide block insert is in sliding contact with the slide block seat of the slide block insert between a front die and a rear die, the inner side surface of the slide block insert is provided with a material pressing part for clamping an injection molding product, and the slide block seat is provided with an inclined hole and the outer side surface of the slide block seat is provided with a first inclined sliding surface.
Therefore, when the rear mold moves downwards during mold opening, the sliding insert can be clamped with the injection molding product through the material pressing part so as to firmly press the injection molding product on the rear mold, and after the mold is opened to a position separated from a material ejecting surface, the sliding block component starts to move laterally under the action of the inclined guide post, the material pressing part is separated from the injection molding product so as to separate the injection molding product from the sliding block insert; the slide block seat can drive the slide block insert to move transversely away from or close to the front mold insert on the side surface of the front mold insert under the action of the inclined guide post, so that an injection product arranged between the front mold insert and the slide block insert is in contact with the side pressure from the slide block insert, and stripping is rapidly realized.
In some embodiments, the outer side surface of the slide insert is provided with a clamping portion, and the inner side surface of the slide seat is provided with a clamping groove corresponding to the clamping portion. Therefore, the slide block insert and the slide block seat realize a matched structure which is compact and convenient to disassemble and assemble through the clamping structure of the clamping part and the clamping groove, the structure is simple, and the manufacturing cost is low; when the mold is opened, when the rear mold drives the sliding block assembly to move, the sliding block insert compresses the injection molding product on the rear mold through the material pressing part.
In some embodiments, the rear mold comprises a rear mold base and a rear mold insert arranged on the rear mold base, and rear mold grooves for placing the slide block inserts are formed in two sides of the rear mold base. Therefore, the slider seat can drive the slider insert to transversely move along the rear die groove so as to separate from the front die insert.
In some embodiments, the front mold comprises a front mold base and a front mold insert disposed below the front mold base, the shovel base is disposed at two sides of the front mold base, the angle guide post is obliquely disposed between the front mold base and the shovel base, and the slide block assembly is disposed between the front mold insert and the shovel base and slides obliquely along the angle guide post. Therefore, the inclined guide posts can drive the sliding block assemblies to be separated from the front die and the rear die on the two sides of the front die to realize lateral stripping.
Drawings
Fig. 1 is a schematic perspective view of a slide ejection die according to an embodiment of the present invention;
fig. 2 is an exploded schematic view of a slide ejection die according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of a slide ejection die according to an embodiment of the present invention before opening the die;
fig. 4 is a cross-sectional view of the slide ejection die according to an embodiment of the present invention when the die is opened;
fig. 5 is a cross-sectional view of the slide ejection die according to an embodiment of the present invention after the die is opened.
Reference numerals:
the injection molding device comprises a front mold 1, a front mold base 11, a front mold insert 12, a rear mold 2, a rear mold base 21, a rear mold insert 22, a rear mold groove 23, a slider component 3, a slider insert 31, a pressing part 311, a clamping part 312, a slider base 32, a first inclined sliding surface 320, an inclined hole 321, a first inclined surface 322, a sliding surface 323, a clamping groove 324, an injection molding product 4, a pressing groove 41, a shovel base 5, a second inclined sliding surface 50, a second inclined surface 51, a material ejecting surface 52, a third inclined surface 53 and an inclined guide post 6.
Detailed Description
The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the drawings of the specification.
Slide block assembly referring to fig. 1-5, a slide block ejection die of the present embodiment includes: a front die 1, a rear die 2, and a slide block assembly 3 movably disposed between the front die 1 and the rear die 2; the front die 1 comprises a front die holder 11 and a front die insert 12 arranged below the front die holder 11, wherein an inclined guide pillar 6 and a shovel base 5 are arranged on two sides of the front die holder 11, and the inclined guide pillar 6 is obliquely arranged between the front die holder and the shovel base 5; one side of slider component 3 is equipped with shovel base 5, be equipped with the inclined hole 321 that supplies oblique guide pillar 5 to slide to pass and the first oblique slip face 320 of parallel inclined hole 321 on the slider component 3, be equipped with the second oblique slip face 50 of contradicting with first oblique slip face 320 and sliding on the shovel base 5, when back mould 2 drove slider component 3 and breaks away from front mould 1, slider component 3 was in oblique guide pillar 6 and the cooperation of sliding of shovel base 5 down along the oblique removal of back mould 2 both sides in order to pull open slider component 3 and the distance of back mould 2.
As shown in fig. 2-5, wherein the first inclined sliding surface 320 comprises a first inclined surface 322 and a sliding surface 323 vertically connected below the first inclined surface 322; the second inclined sliding surface 50 comprises a second inclined surface 51 parallel to the first inclined surface 322, a material ejecting surface 52 vertically connected below the second inclined surface 51 and parallel to the sliding surface 323, and a third inclined surface 53 extending below the material ejecting surface 52 and parallel to the second inclined surface 51, wherein an inclined surface gap J is arranged between the second inclined surface 51 and the third inclined surface 53. The inclined hole gap Q is larger than the inclined plane gap J, and in the present embodiment, Q is J +0.5 mm.
It is understood that in other embodiments, Q is not limited to J +0.5mm, and may be J +0.1mm-1 mm.
As shown in fig. 1 to 5, in the present embodiment, the slider assembly 3 includes: slide insert 31, slide seat 32, wherein: the slide block seat 32 drives the slide block insert 31 to slide and abut against between the front mold and the rear mold, a material pressing part 311 for clamping an injection molding piece is arranged on the inner side surface of the slide block insert 31, and a clamping part 312 is arranged on the outer side surface of the slide block insert 31; the slider seat 32 is provided with an inclined hole 321, a first inclined surface 322, a sliding surface 323 and a clamping groove 324, wherein the inclined hole 321 is formed along the longitudinal direction of the slider seat 32 in an inclined manner, the first inclined surface 322 is arranged on the outer side surface of the slider seat 32 and corresponds to the second inclined surface 51 in parallel, the sliding surface 323 is vertically connected below the first inclined surface 322, and the clamping groove 324 is arranged on the inner side surface of the slider seat 32 and corresponds to the clamping portion 312. Thus, since the slide insert 31 is disposed on the front mold insert 12 side so that the swage portion 311 faces the front mold insert 12, the swage portion 311 is engaged with the material pressing groove 41 on the injection product 4 between the front mold insert 12 and the slide insert 31, and the slide insert 31 is engaged with the slide holder 32 so that the clamp portion 312 is engaged with the clamp groove 324 on the inner side of the slide holder 32, as shown in fig. 4, when the rear mold 2 and the slide module 3 move downward at the time of mold opening, the swage portion 311 can firmly press the injection product 4 against the rear mold; after the mold is opened to the position of being separated from the material ejection surface 52, as shown in fig. 5, the slide block assembly 3 starts to move laterally to separate from the material pressing part 311 under the action of the inclined guide post 6, so that the injection molded product 4 realizes lateral material removal.
As shown in fig. 1, in the present embodiment, the rear mold 2 includes a rear mold base 21 and a rear mold insert 22 disposed on the rear mold base 21, rear mold grooves 23 for placing the slide inserts 31 are recessed on both sides of the rear mold base 21, and the slide bases 32 can drive the slide inserts 31 to move laterally along the rear mold grooves 23 to separate from the front mold inserts 12.
In the embodiment, the straight body position P is arranged on the material ejecting surface 51 of the shovel base 5, the inclined hole 321 of the slider seat 32 is provided with the inclined hole gap Q, and through the design of the straight body position P and the inclined hole gap Q, when the rear die 2 drives the slider assembly 2 to move downwards during die opening, the slider assembly 3 presses a product on the rear die through the material pressing part 311, so that the product can be safely remained on the rear die under the condition of no front die push-out structure; after the mold is opened, when the rear mold 2 and the slide block assembly 3 are opened to the position away from the material ejection surface 52, the slide block assembly 3 starts to move laterally under the action of the inclined guide post 6 to be ejected from the front mold insert 12, and then the ejector rod of the molding machine can push the injection molding product 4 out of the rear mold 2, so that the normal production of the product is realized.
Therefore, the utility model discloses a structure is released to the useless front mould and lets mould cost of manufacture reduce, and mould thickness reduces, and then has reduced the tonnage of required board of moulding plastics, makes plastic product manufacturing cost reduce.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (7)

1. A slide ejection die, comprising: the sliding block component is arranged between the front die and the rear die, a shovel base is arranged on one side of the sliding block component, an inclined hole for an inclined guide post to slide through and a first inclined sliding surface parallel to the inclined hole are arranged on the sliding block component, a second inclined sliding surface which is in conflict sliding with the first inclined sliding surface is arranged on the shovel base, and when the rear die drives the sliding block component to be separated from the front die, the sliding block component obliquely moves along the two sides of the rear die under the sliding cooperation of the inclined guide post and the shovel base so as to pull open the distance between the sliding block component and the rear die.
2. The slide ejection die of claim 1, wherein: first oblique slip surface includes first inclined plane and the vertical smooth charge level of connecting in first inclined plane below, the oblique slip surface of second includes the second inclined plane on parallel first inclined plane, vertical connection at second inclined plane below and parallel smooth charge level's material ejection face and extend at material ejection face below and the third inclined plane on parallel second inclined plane, be equipped with the inclined plane clearance between second inclined plane and the third inclined plane.
3. The slide ejection die of claim 2, wherein: the inclined holes are in clearance fit with the inclined guide pillars, and the clearance of the inclined holes is larger than that of the inclined planes.
4. A slide ejection die as claimed in claim 1 or 3, wherein: the slider assembly includes: the injection molding device comprises a slide block insert and a slide block seat, wherein the slide block insert is in sliding contact with the slide block seat of the slide block insert between a front die and a rear die, the inner side surface of the slide block insert is provided with a material pressing part for clamping an injection molding product, and the slide block seat is provided with an inclined hole and the outer side surface of the slide block seat is provided with a first inclined sliding surface.
5. The slide ejection die of claim 4, wherein: the lateral surface of slider mold insert is equipped with card portion, the medial surface of slider seat is equipped with the draw-in groove that corresponds with card portion.
6. The slide ejection die of claim 5, wherein: the rear die comprises a rear die base and a rear die insert arranged on the rear die base, and rear die grooves for placing the slide block inserts are formed in two sides of the rear die base.
7. A slide ejection die as in claims 1, 3, 5 or 6, wherein: the front die comprises a front die base and a front die insert arranged below the front die base, the shovel bases are arranged on two sides of the front die base, the inclined guide post is obliquely arranged between the front die base and the shovel base, and the sliding block assembly is arranged between the front die insert and the shovel base and slides obliquely along the inclined guide post.
CN202021250506.5U 2020-06-30 2020-06-30 Sliding block ejection die Active CN212528567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021250506.5U CN212528567U (en) 2020-06-30 2020-06-30 Sliding block ejection die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021250506.5U CN212528567U (en) 2020-06-30 2020-06-30 Sliding block ejection die

Publications (1)

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CN212528567U true CN212528567U (en) 2021-02-12

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Application Number Title Priority Date Filing Date
CN202021250506.5U Active CN212528567U (en) 2020-06-30 2020-06-30 Sliding block ejection die

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619041A (en) * 2021-08-30 2021-11-09 玫瑰塑胶(昆山)有限公司 Secondary core-pulling mechanism for slide block of injection mold

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113619041A (en) * 2021-08-30 2021-11-09 玫瑰塑胶(昆山)有限公司 Secondary core-pulling mechanism for slide block of injection mold

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