CN218342729U

CN218342729U - High-stability die

Info

Publication number: CN218342729U
Application number: CN202222724591.XU
Authority: CN
Inventors: 梁志林
Original assignee: Dongguan Hongyan Precision Mold Co ltd
Current assignee: Dongguan Hongyan Precision Mold Co ltd
Priority date: 2022-10-14
Filing date: 2022-10-14
Publication date: 2023-01-20
Anticipated expiration: 2032-10-14

Abstract

The utility model provides a high-stability die, which comprises an upper die and a lower die which can be opened and closed, wherein the upper die is provided with an upper die base, an upper template and an upper die core, the lower die is provided with a lower die base, a lower template and a lower die core, and a left die cavity and a right die cavity are at least formed between the upper die core and the lower die core; the upper surface of the upper die core is provided with a runner, and the bottom of the runner is provided with a plurality of runner holes for connecting the left die cavity and the right die cavity; the lower die base is provided with a plurality of first molding rods and second molding rods which respectively correspond to the left die cavity and the right die cavity, and the first molding rods and the second molding rods penetrate through the lower die plate and the lower die core so that the tops of the first molding rods and the second molding rods are respectively connected with the left die cavity and the right die cavity; the runner is extended corresponding to the left die cavity and the right die cavity and respectively injects the plastic through a plurality of runner holes, so that the injection of the plastic is more stable and uniform, and the product molding is facilitated; the first forming rod and the second forming rod enable the forming effect of the buckling structure in the product to be better, and enable the forming and the demolding of the product to have better stability.

Description

High-stability die

Technical Field

The utility model relates to an injection mold technical field, more specifically the high stability mould that says so.

Background

An injection mold is often needed when plastic parts are produced in the manufacturing industry, and the injection mold is a tool for producing plastic products; the injection molding is a processing method used in batch 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 molded product after cooling and solidification; at present, an injection mold directly injects molten plastic into the center of a mold cavity through a material injection port, the plastic diffuses from the middle through a flow passage in the mold cavity, and when a product is large, unstable or uneven filling can occur when the mold cavity is filled with the plastic; in order to maintain production stability, part of the injection molds are only provided with one mold cavity, and when a combined product comprising an upper shell and a lower shell is produced, the upper shell and the lower shell need to be produced through two molds, so that the production efficiency is low; because the combined product comprising the upper shell and the lower shell is often provided with the convex body or the groove body structure for buckling, when the product is produced, the traditional mould has limited forming effect, the buckling structure on the product is possibly damaged or the demoulding is difficult to keep stable production during demoulding.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a high stability mould.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a high-stability die comprises an upper die and a lower die which can be opened and closed, wherein the upper die is provided with an upper die holder, an upper template and an upper die core, the lower die is provided with a lower die holder, a lower template and a lower die core, and when the upper die and the lower die are closed, at least a left die cavity and a right die cavity are formed between the upper die core and the lower die core; the upper surface of the upper die core is provided with a runner, and the bottom of the runner is provided with a plurality of runner holes for connecting the left die cavity and the right die cavity; the lower die base is provided with a plurality of first forming rods and second forming rods which respectively correspond to the left die cavity and the right die cavity, and the first forming rods and the second forming rods penetrate through the lower die plate and the lower die core so that the tops of the first forming rods and the second forming rods are respectively connected with the left die cavity and the right die cavity; the upper template is connected with a first left die core and a first right die core which run through the upper die core; the lower template is connected with a second Zuo Moren and a second right mold core which penetrate through the lower mold core, and the first left mold core and the first right mold core respectively correspond to the second left mold core and the second right mold core up and down.

In a preferred technical scheme, the first forming rod is of a structure with the bottom inclined from outside to inside, and the second forming rod is of a structure with the bottom inclined from inside to outside.

In a preferred technical scheme, a plurality of first molding rods surround the outer side of the left mold cavity, the top of each first molding rod is provided with a first molding part of a horizontal outwards-turned structure, and the first molding parts are connected with the left mold cavity; the second molding rods surround the outer side of the right mold cavity in a plurality of ways, and the top of each second molding rod is provided with a second molding part of a horizontal inward-turning structure.

In the preferred technical scheme, the lower die holder is provided with an ejector plate, the ejector plate is provided with a plurality of connecting pieces corresponding to the first forming rod and the second forming rod, and the first forming rod and the second forming rod are connected with the lower die holder through the connecting pieces.

In the preferred technical scheme, the connecting piece is provided with a sliding groove, the bottoms of the first forming rod and the second forming rod are provided with sliding blocks matched with the sliding groove, and the first forming rod and the second forming rod are connected with the connecting piece in a sliding mode through the matching of the sliding blocks and the sliding groove.

In a preferred technical scheme, a plurality of thimbles are arranged on the thimble plate.

In an optimized technical scheme, matched forming structures are arranged at the bottom of the first left die core and the top of the second left die core, and matched forming structures are arranged at the bottom of the first right die core and the top of the second right die core.

In the preferred technical scheme, the upper die base is provided with a filling port, and the filling port is connected with the flow channel.

Known through foretell technical scheme, compare with prior art, the utility model discloses following beneficial technological effect has:

the upper surface of the upper template is provided with a runner which is connected with the left die cavity and the right die cavity, the runner is extended corresponding to the left die cavity and the right die cavity and respectively injects plastic into the left die cavity and the right die cavity through a plurality of runner holes, so that the injection of the plastic is more stable and uniform, and the product molding is facilitated; the upper mold core and the lower mold core are matched with the plurality of mold cores to jointly mold plastics, so that products with relatively complex production structures can be produced, products with different styles can be produced by replacing the mold cores, the whole mold core does not need to be replaced, and the production cost is saved; the left die cavity and the right die cavity are arranged to enable the die to produce a production combined product with an upper shell and a lower shell, and the upper shell and the lower shell of the product are respectively formed in the left die cavity and the right die cavity; first shaping pole and second shaping pole make the lock structure shaping effect in the product better, according to the product at the structure difference of left die cavity and right die cavity, during the drawing of patterns, the first shaping pole of corresponding left die cavity is inwards retracted, corresponds the outside extension of second shaping pole of right die cavity, avoids the product to appear damaging when being blocked by the shaping portion and leading to the drawing of patterns, makes the shaping and the drawing of patterns of product have better stability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic view of the exploded structure of the present invention.

Fig. 2 is a schematic perspective view of the upper mold.

Fig. 3 is an exploded view of the lower mold.

Fig. 4 is a schematic view of a connection structure of the first forming rod, the second forming rod and the connecting member.

Fig. 5 is a schematic top view of the upper plate.

Reference numerals: 100. an upper die holder; 200. mounting a template; 300. an upper mold core; 400. a lower die holder; 500. a lower template; 600. a lower mold core; 700. a left mold cavity; 800. a right mold cavity; 310. a flow channel; 311. a flow passage hole; 410. a first molding bar; 420. a second molding rod; 210. a first left mold core; 220. a first right mold core; 510. a second left mold insert; 520. a second right mold core; 411. a first molding section; 421. a second molding section; 430. an ejector plate; 431. a connecting member; 432. a thimble; 110. and (4) an injection port.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood as appropriate by one of ordinary skill in the art.

Referring to fig. 1-5, the present invention provides an injection mold for producing a toy shell, which at least produces an upper shell and a lower shell of the whole toy shell by one-step molding, and in other embodiments, the present invention can be designed to produce a combined shell product including the upper shell and the lower shell; the die comprises an upper die and a lower die, wherein the upper die comprises an upper die holder 100, an upper template 200 and an upper die core 300 from top to bottom, and the lower die comprises a lower die holder 400, a lower template 500 and a lower die core 600 from bottom to top; when the upper die and the lower die are closed, a left die cavity 600 and a right die cavity 700 are formed between the upper die core 300 and the lower die core 600, a lower shell in a toy shell is formed in the left die cavity 600, an upper shell is formed in the right die cavity 700, the upper surface of the upper die core 300 is provided with a runner 310, the runner 310 is transversely distributed, three branches are formed on the right side, the direction of the runner 310 is not limited to the embodiment, in other embodiments, runners 310 with different directions can be arranged according to different product structures so as to facilitate the injection of molten plastic into the interior, the upper die base 100 is provided with a filling port 110, and the filling port 110 is connected with the runner 310; the molten plastic is injected into the mold through the injection port 110; the bottom of the runner 310 is provided with a plurality of runner holes 311 connecting the left mold cavity 700 and the right mold cavity 800, plastic injected into the runner 310 through the injection port 110 enters the left mold cavity 700 and the right mold cavity 800 through the runner holes 311 for molding, a multi-point injection mode of the plastic can be more stably and uniformly injected into the left mold cavity 700 and the right mold cavity 800, which is beneficial for molding the plastic in the two mold cavities simultaneously, the lower mold base 400 is provided with 20 first molding rods 410 and second molding rods 420 respectively corresponding to the left mold cavity 700 and the right mold cavity 800, wherein the number of the first molding rods 410 corresponding to the left mold cavity 700 is 10, and the number of the second molding rods 420 corresponding to the right mold cavity 800 is 10; first shaping pole 410 and second shaping pole 420 pass from the bottom up and pass lower bolster 500 in proper order, lower die core 600 makes its top connect left die cavity 700 and right die cavity 800 respectively, first shaping pole 410 and second shaping pole 420 top shape out the mutual lock structure at epitheca and inferior valve edge respectively, after the product shaping, first shaping pole 410 and second shaping pole 420 are located the border position of product and up prop, help the drawing of patterns of product, distribution of stress during the product drawing of patterns is more even, drawing of patterns stability is good, avoid the drawing of patterns to damage the product, cause the waste.

Furthermore, the upper mold plate 200 is connected with a first left mold core 210 and a first right mold core 220 which penetrate through the upper mold core 300, the lower mold plate 500 is connected with a second left mold core 510 and a second right mold core 520 which penetrate through the lower mold core 600, the top ends of the first left mold core 210 and the second right mold core 220 are connected with the upper mold plate 200 to form a part of the upper mold core 300 integrally, and the bottom ends of the second left mold core 510 and the second right mold core 520 are connected with the lower mold plate 500 to form a part of the lower mold core 500 integrally; the first left mold 210 and the first right mold 220 correspond to the second left mold 510 and the second right mold 520, respectively; the bottom of the first left mold core 210 and the top of the second left mold core 510 are provided with matched molding structures, the molding structures are connected with the left mold cavity 700, and the structures of the parts are generated when plastic is molded in the left mold cavity 700; the top parts of the first right die core 220 and the second right die core 520 are provided with matched molding structures, the molding structures are connected with the right die cavity 800, the structures of the parts are generated when plastic is molded in the right die cavity 800, the matching of the four die cores is beneficial to molding a relatively complex structure, and the molding effect is better compared with the molding effect only through the internal structure of the die core; the positions with differences are arranged in the multiple toy shells with the parts corresponding to the same basic structures through the die core forming, namely, when the multiple toy shells are produced, the corresponding die cores in the positions with differences only need to be replaced immediately, the upper die core 300 and the lower die core 600 do not need to be integrally replaced, the flexibility is better, the same die core is matched with different die cores to produce the shells with different specifications, and the production cost is saved.

Furthermore, the first forming rod 410 is a structure with the bottom inclined from the outside to the inside, and the second forming rod 420 is a structure with the bottom inclined from the inside to the outside; the 10 first molding rods 410 and the 10 second molding rods 420 respectively surround the outer edge positions of the left mold cavity 700 and the right mold cavity 800, namely the front side, the left side and the right side, and the rear side is one; the top of the first forming rod 410 is provided with a first forming part 411 with a horizontal outwards-turned structure, and the first forming part 411 is connected with the left die cavity 700; the top of the second forming rod 420 is provided with a second forming part 421 of a horizontal inward-turning structure; the lower die holder 400 is provided with an ejector plate 430, the ejector plate 430 is provided with 20 connecting pieces 431 corresponding to the first forming rod 410 and the second forming rod 420, and the first forming rod 410 and the second forming rod 420 are connected with the lower die holder 400 through the connecting pieces 431; the connecting piece 431 is provided with a sliding groove, the bottoms of the first forming rod 410 and the second forming rod 420 are provided with sliding blocks matched with the sliding groove, and the first forming rod 420 and the second forming rod are connected with the connecting piece 431 in a sliding mode through the matching of the sliding blocks and the sliding groove; the ejector plate 430 is provided with a plurality of ejector pins 432, the ejector pins 432 are used for ejecting a product during demoulding, the ejector pins 432 are driven to move upwards to eject the product when the ejector plate 430 moves upwards, and meanwhile, the first forming rod 410 and the second forming rod 420 are also driven to move upwards, because the first forming rod 410 and the second forming rod 420 have an inclined structure and a connecting structure with a slidable bottom, the first forming rod 410 moves upwards to the inner side direction of the left mould cavity 700, and the first forming part 411 buckled by the forming position of the side surface of the product is separated from the side surface of the product, so that the product demoulding is prevented from being blocked; when the second molding rod 420 moves upwards, it moves towards the outside of the right cavity 800, and the top of the second molding rod helps to release the product from the mold and also to separate the product from the edge of the product.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a high stability mould, includes the last mould and the lower mould that can open and shut, goes up the mould and is equipped with upper die base (100), cope match-plate pattern (200), goes up mold core (300), and the lower mould is equipped with die holder (400), lower bolster (500), lower mold core (600), its characterized in that: when the upper die and the lower die are closed, at least a left die cavity (700) and a right die cavity (800) are formed between the upper die core (300) and the lower die core (600); the upper surface of the upper die core (300) is provided with a runner (310), and the bottom of the runner (310) is provided with a plurality of runner holes (311) for connecting the left die cavity (700) and the right die cavity (800); the lower die holder (400) is provided with a plurality of first molding rods (410) and second molding rods (420) which respectively correspond to the left die cavity (700) and the right die cavity (800), and the first molding rods (410) and the second molding rods (420) penetrate through the lower die plate (500) and the lower die core (600) so that the tops of the first molding rods and the second molding rods are respectively connected with the left die cavity (700) and the right die cavity (800); the upper template (200) is connected with a first left mold core (210) and a first right mold core (220) which penetrate through the upper mold core (300); the lower template (500) is connected with a second left mold core (510) and a second right mold core (520) which penetrate through the lower mold core (600), and the first left mold core (210) and the first right mold core (220) respectively correspond to the second left mold core (510) and the second right mold core (520) in position up and down.

2. A high stability mould according to claim 1, wherein: the first forming rod (410) is of a structure with the bottom inclined from outside to inside, and the second forming rod (420) is of a structure with the bottom inclined from inside to outside.

3. A high stability mould according to claim 1, wherein: the first molding rods (410) surround the outer side of the left mold cavity (700), the top of the first molding rods (410) is provided with a first molding part (411) of a horizontal outwards-turned structure, and the first molding part (411) is connected with the left mold cavity (700); the second molding rods (420) surround the outer side of the right mold cavity (800), and the top of the second molding rods (420) is provided with a second molding part (421) of a horizontal inward turning structure.

4. A high stability mould according to claim 1, wherein: the lower die holder (400) is provided with an ejector plate (430), the ejector plate (430) is provided with a plurality of connecting pieces (431) corresponding to the first forming rod (410) and the second forming rod (420), and the first forming rod (410) and the second forming rod (420) are connected with the lower die holder (400) through the connecting pieces (431).

5. A high stability mould according to claim 4, wherein: the connecting piece (431) is provided with a sliding groove, the bottoms of the first forming rod (410) and the second forming rod (420) are provided with sliding blocks matched with the sliding groove, and the first forming rod (410) and the second forming rod (420) are connected with the connecting piece (431) in a sliding mode through the matching of the sliding blocks and the sliding groove.

6. A high stability mould according to claim 4, wherein: the ejector pin plate (430) is provided with a plurality of ejector pins (432).

7. A high stability mould according to claim 1, wherein: the bottom of the first left die core (210) and the top of the second left die core (510) are provided with matched forming structures, and the bottom of the first right die core (220) and the top of the second right die core (520) are provided with matched forming structures.

8. A high stability mould according to claim 1, wherein: the upper die base (100) is provided with a feeding port (110), and the feeding port (110) is connected with the flow channel (310).