CN217803041U - Injection mold core positioning device - Google Patents

Injection mold core positioning device Download PDF

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Publication number
CN217803041U
CN217803041U CN202221886835.8U CN202221886835U CN217803041U CN 217803041 U CN217803041 U CN 217803041U CN 202221886835 U CN202221886835 U CN 202221886835U CN 217803041 U CN217803041 U CN 217803041U
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core piece
slide
mold core
die
positioning device
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CN202221886835.8U
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Chinese (zh)
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汪建平
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Nanjing Jianweitai Automation Equipment Co ltd
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Nanjing Jianweitai Automation Equipment Co ltd
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Abstract

The utility model discloses an injection mold core positioner, include: the die core piece positioning device comprises a base, a lower die plate fixedly connected to the top of the base, a placement groove formed in the middle of the upper surface of the lower die plate, a die core piece arranged in the placement groove, four groups of positioning mechanisms arranged on the top of the lower die plate and used for limiting the positions of the die core pieces, a notch formed in the upper surface of the lower die plate and positioned below the positioning mechanisms, and an upper die plate arranged on the top of the die core piece; the top of four slide bars can be pressurizeed simultaneously when the cope match-plate pattern extrudees the die core piece downwards, and then drives the slide bar and slide downwards at the inclined hole inner wall, and then brings a set of extrusion force for the slide is close to mold core piece outer wall along the shaping pole direction, and is spacing to the position of die core piece, prevents to appear becoming flexible the phenomenon that leads to the formed part to warp at the last mold core of die core piece and lower mold core in the process of moulding plastics.

Description

Injection mold core positioning device
Technical Field
The utility model relates to a mold core positioner technical field specifically is an injection mold core positioner.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Injection molding is a processing method used for mass production of parts with complex shapes, and particularly relates to a method for injecting heated and melted plastic into a mold cavity from an injection molding machine at high pressure, and obtaining a formed product after cooling and solidification.
In the existing injection mold, because the upper mold core and the lower mold core of the mold core piece are in a clamping state, the phenomenon of looseness is easy to occur, the phenomenon of deformation of a formed piece is caused, the upper mold core and the lower mold core need to be positioned, the existing mold core positioning mostly adopts a mode of utilizing rivet fixing to position the upper mold core and the lower mold core, the side positioning effect of the upper mold core and the lower mold core is poor, and the limitation to the mold piece needs to be manually removed after the mold is opened, so that the working efficiency is influenced.
Accordingly, one skilled in the art provides a positioning device for a mold core of an injection mold to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an injection mold core positioner to propose the poor problem of current injection mold core location effect in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an injection mold core positioning device, comprising: the die core piece positioning device comprises a base, a lower die plate fixedly connected to the top of the base, a placement groove formed in the middle of the upper surface of the lower die plate, a die core piece arranged in the placement groove, four groups of positioning mechanisms arranged on the top of the lower die plate and used for limiting the positions of the die core pieces, a notch formed in the upper surface of the lower die plate and positioned below the positioning mechanisms, and an upper die plate arranged on the top of the die core piece;
the positioning mechanism includes: fixed connection in gag lever post, fixed connection in two of the relative notch both sides of lower bolster upper surface fixed block, two fixed connection between the gag lever post in fixed block outer wall and alternate in inside shaping pole of mould core piece, with two gag lever post bottom sliding connection is used for the slide of centre gripping mold core piece outer wall, sets up in the inclined hole of slide upper surface, run through inclined hole and bottom extend to the inside slide bar of notch, set up in the inside bounce-back piece of notch.
As a further aspect of the present invention: the rebounding piece comprises a sliding plate which is connected with the inner wall of the notch in a sliding mode, and springs, wherein the two ends of the springs are fixedly connected with the bottom of the sliding plate and the bottom of the inner wall of the notch respectively.
As a further aspect of the present invention: the bottom end of the sliding rod is in contact with the upper surface of the sliding plate.
As a further aspect of the present invention: the slide is L type structure, two spouts have transversely been seted up to the outer wall of slide, the inner wall sliding connection of shaping pole and spout.
As the utility model discloses further scheme again: the corner positions of the upper surface of the lower template are fixedly connected with guide pillars, and the lower surface of the upper template is fixedly connected with guide cylinders matched with the guide pillars.
As the utility model discloses further scheme again: and an injection molding opening is formed in the upper surface of the upper template.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the top of four slide bars can be pressurizeed simultaneously when the cope match-plate pattern extrudees the die core piece downwards, and then drives the slide bar and slide downwards at the inclined hole inner wall, and then brings a set of extrusion force for the slide is close to mold core piece outer wall along the shaping pole direction, and is spacing to the position of die core piece, prevents to appear becoming flexible the phenomenon that leads to the formed part to warp at the last mold core of die core piece and lower mold core in the process of moulding plastics.
2. After the formed part cooling finishes, when upwards lifting the cope match-plate pattern and taking the formed part, because the elastic potential energy effect of spring can promote the slide rebound, and then promote the slide bar rebound, and in the same way, the slide slides to initial position, no longer centre gripping mold core spare outer wall, conveniently separates upper mold core and lower mold core, gets the piece.
Drawings
Fig. 1 is a schematic structural diagram of a mold core positioning device of an injection mold.
Fig. 2 is a schematic structural view of a lower template in an injection mold core positioning device.
FIG. 3 is a schematic structural diagram of a positioning mechanism in a core positioning device of an injection mold.
Fig. 4 is a schematic structural diagram of a resilient member in a core positioning device of an injection mold.
FIG. 5 is a schematic structural diagram of a connecting position of a limiting rod and a slide in a mold core positioning device of an injection mold.
In the figure: 1. a base; 2. a lower template; 3. a guide post; 4. a limiting rod; 5. a fixed block; 6. a slide base; 7. a slide bar; 8. a die core member; 9. mounting a template; 10. an injection molding port; 11. a guide cylinder; 12. a placing groove; 13. a notch; 14. forming a rod; 15. a chute; 16. a slide plate; 17. a spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 5, in an embodiment of the present invention, an injection mold core positioning device includes: the die core piece positioning device comprises a base 1, a lower die plate 2 fixedly connected to the top of the base 1, a placement groove 12 formed in the middle of the upper surface of the lower die plate 2, a die core piece 8 arranged in the placement groove 12, four groups of positioning mechanisms arranged on the top of the lower die plate 2 and used for limiting the position of the die core piece 8, notches 13 formed in the upper surface of the lower die plate 2 and located below the positioning mechanisms, and an upper die plate 9 arranged on the top of the die core piece 8;
the positioning mechanism includes: the die core piece forming device comprises limiting rods 4 fixedly connected to two sides of a notch 13 on the upper surface of a lower die plate 2, a fixing block 5 fixedly connected between the two limiting rods 4, two forming rods 14 fixedly connected to the outer wall of the fixing block 5 and inserted into the die core piece 8, a sliding seat 6 connected with the bottoms of the two limiting rods 4 in a sliding mode and used for clamping the outer wall of the die core piece 8, an inclined hole formed in the upper surface of the sliding seat 6, a sliding rod 7 penetrating through the inclined hole and extending to the inside of the notch 13 from the bottom end of the inclined hole, and a rebound piece arranged inside the notch 13.
The corner positions of the upper surface of the lower template 2 are fixedly connected with guide posts 3, and the lower surface of the upper template 9 is fixedly connected with guide cylinders 11 matched with the guide posts 3.
Placing the lower mold core of the mold core piece 8 in the placing groove 12, clamping the upper mold core with the lower mold core, inserting the guide post 3 into the corresponding guide barrel 11, and downwards extruding the mold core piece 8 by utilizing the gravity action of the upper mold plate 9 so that the upper mold core and the lower mold core of the mold core piece 8 are clamped more tightly;
when the upper die plate 9 extrudes the die core piece 8 downwards, the top ends of the four slide rods 7 are simultaneously pressurized, so that the slide rods 7 are driven to slide downwards on the inner wall of the inclined hole, and a group of extrusion forces are further brought to the slide seat 6, so that the slide seat 6 is close to the outer wall of the die core piece 8 along the direction of the forming rod 14, the position of the die core piece 8 is limited, and the phenomenon that the formed piece is deformed due to looseness of the upper die core and the lower die core of the die core piece 8 in the injection molding process is prevented.
The rebounding element comprises a sliding plate 16 which is slidably connected with the inner wall of the notch 13 and a spring 17 of which the two ends are fixedly connected with the bottom of the sliding plate 16 and the bottom of the inner wall of the notch 13 respectively.
The bottom end of the slide rod 7 is in contact with the upper surface of the slide plate 16.
The upper surface of the upper template 9 is provided with an injection molding opening 10.
The slide 6 is L type structure, and two spout 15 have transversely been seted up to the outer wall of slide 6, and shaping pole 14 and the inner wall sliding connection of spout 15.
The slide bar 7 can push the slide plate 16 to slide downwards on the inner wall of the notch 13 in the downward movement process, then the spring 17 is compressed, the melted plastic is injected into the die core piece 8 through the injection molding port 10 for injection molding, after the formed piece is cooled, the upper die plate 9 is lifted upwards to take the formed piece, due to the elastic potential energy effect of the spring 17, the slide plate 16 can be pushed to move upwards, then the slide bar 7 is pushed to move upwards, and similarly, the slide seat 6 slides to the initial position, the outer wall of the die core piece 8 is not clamped any more, the upper die core and the lower die core are conveniently separated, and the piece is taken.
The utility model discloses a theory of operation is:
when the utility model is used, the lower mold core of the mold core piece 8 is placed in the placing groove 12, the upper mold core is clamped with the lower mold core, the guide pillar 3 is inserted into the corresponding guide barrel 11, and the mold core piece 8 is extruded downwards by utilizing the gravity action of the upper mold plate 9, so that the upper mold core and the lower mold core of the mold core piece 8 are clamped more tightly;
when the upper die plate 9 extrudes the die core piece 8 downwards, the top ends of the four slide rods 7 are simultaneously pressurized, so that the slide rods 7 are driven to slide downwards on the inner wall of the inclined hole, and a group of extrusion forces are further brought to the slide seat 6, so that the slide seat 6 approaches to the outer wall of the die core piece 8 along the direction of the forming rod 14, the position of the die core piece 8 is limited, and the phenomenon that the formed piece is deformed due to looseness of an upper die core and a lower die core of the die core piece 8 in the injection molding process is prevented;
the slide bar 7 can push the slide plate 16 to slide downwards on the inner wall of the notch 13 in the downward movement process, then the spring 17 is compressed, the melted plastic is injected into the die core piece 8 through the injection molding port 10 for injection molding, after the formed piece is cooled, the upper die plate 9 is lifted upwards to take the formed piece, due to the elastic potential energy effect of the spring 17, the slide plate 16 can be pushed to move upwards, then the slide bar 7 is pushed to move upwards, and similarly, the slide seat 6 slides to the initial position, the outer wall of the die core piece 8 is not clamped any more, the upper die core and the lower die core are conveniently separated, and the piece is taken.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an injection mold core positioner which characterized in that includes:
the die core piece positioning device comprises a base (1), a lower template (2) fixedly connected to the top of the base (1), a placement groove (12) formed in the middle of the upper surface of the lower template (2), a die core piece (8) arranged in the placement groove (12), and four groups of positioning mechanisms arranged on the top of the lower template (2) and used for limiting the position of the die core piece (8);
a notch (13) which is arranged on the upper surface of the lower template (2) and is positioned below the positioning mechanism, and an upper template (9) which is arranged on the top of the die core piece (8);
the positioning mechanism includes: fixed connection in gag lever post (4), fixed connection in two of the relative notch of lower bolster (2) upper surface (13) both sides fixed block (5), two fixed connection between gag lever post (4) fixed block (5) outer wall and alternate in mould core piece (8) inside shaping pole (14), with two gag lever post (4) bottom sliding connection is used for slide (6) of centre gripping mould core piece (8) outer wall, sets up in the inclined hole of slide (6) upper surface, runs through inclined hole and bottom extend to slide bar (7) inside notch (13), set up in the inside bounce-back piece of notch (13).
2. An injection mold core positioning device according to claim 1, characterized in that the resilient member comprises a slide plate (16) slidably connected to the inner wall of the notch (13), and a spring (17) having both ends fixedly connected to the bottom of the slide plate (16) and the bottom of the inner wall of the notch (13), respectively.
3. An injection mould core positioning device according to claim 2, characterized in that the bottom end of the slide bar (7) is in contact with the upper surface of the slide plate (16).
4. The positioning device for the mold cores of the injection mold according to claim 1, wherein the sliding base (6) is of an L-shaped structure, two sliding grooves (15) are transversely formed in the outer wall of the sliding base (6), and the forming rod (14) is slidably connected with the inner walls of the sliding grooves (15).
5. The positioning device for the mold core of the injection mold according to claim 1, wherein the corner positions of the upper surface of the lower mold plate (2) are fixedly connected with guide posts (3), and the lower surface of the upper mold plate (9) is fixedly connected with guide cylinders (11) matched with the guide posts (3).
6. The positioning device for the mold core of the injection mold according to claim 1, wherein the upper surface of the upper mold plate (9) is provided with an injection opening (10).
CN202221886835.8U 2022-07-21 2022-07-21 Injection mold core positioning device Active CN217803041U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202221886835.8U CN217803041U (en) 2022-07-21 2022-07-21 Injection mold core positioning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202221886835.8U CN217803041U (en) 2022-07-21 2022-07-21 Injection mold core positioning device

Publications (1)

Publication Number Publication Date
CN217803041U true CN217803041U (en) 2022-11-15

Family

ID=83967390

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202221886835.8U Active CN217803041U (en) 2022-07-21 2022-07-21 Injection mold core positioning device

Country Status (1)

Country Link
CN (1) CN217803041U (en)

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