CN218342729U - High-stability die - Google Patents

Abstract

The utility model provides a mold with high stability, which comprises an upper mold and a lower mold which can be opened and closed. A mold core, at least a left mold cavity and a right mold cavity are formed between the upper mold core and the lower mold core; the upper surface of the upper mold core is provided with a runner, and the bottom of the runner is provided with a plurality of connecting left mold cavities and the runner holes of the right mold cavity; the lower die base is provided with a plurality of first molding rods and second molding rods corresponding to the left mold cavity and the right mold cavity respectively, and the first molding rod and the second molding rod The molding rod passes through the lower mold plate and the lower mold core to connect the top of the left mold cavity and the right mold cavity respectively; the runners extend corresponding to the left mold cavity and the right mold cavity and inject plastics respectively through multiple runner holes, so that the plastics The injection is more stable and uniform, which is conducive to product molding; the first forming rod and the second forming rod make the fastening structure in the product better, and make the forming and demoulding of the product more stable.

Description

A high stability mold

technical field

The utility model relates to the technical field of injection molds, in particular to a high-stability mold.

Background technique

Injection molds are often used in the production of plastic parts in the manufacturing industry. Injection molds are a tool for producing plastic products; they are also tools for giving plastic products complete structures and precise dimensions. Injection molding is used for mass production of parts with complex shapes. A processing method, which specifically refers to injecting heated and melted plastic into the mold cavity under high pressure from an injection molding machine, and after cooling and solidifying, a molded product is obtained; currently, the injection mold usually directly injects molten plastic into the center of the mold cavity through the injection port, and the plastic passes through The flow channel in the mold cavity spreads from the middle. When the product is large, the filling may be unstable or uneven when the plastic fills the cavity; some injection molds only have one cavity in order to maintain production stability. When producing a combined product including an upper shell and a lower shell, the upper shell and the lower shell need to be produced through two molds, and the production efficiency is low; Convex body or groove structure, when producing this type of product, the traditional mold forming effect is limited, and it may also cause damage to the fastening structure on the product or difficult demoulding during demoulding, making it difficult to maintain stable production.

Utility model content

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

In order to achieve the above object, the utility model adopts the following technical solutions:

A high-stability mould, comprising an upper mold and a lower mold that can be opened and closed, the upper mold is provided with an upper mold base, an upper template, and an upper mold core, and the lower mold is provided with a lower mold base, a lower template, and a lower mold core. When the upper mold and the lower mold are closed, at least a left mold cavity and a right mold cavity are formed between the upper mold core and the lower mold core; the upper surface of the upper mold core is provided with a runner, and the bottom of the runner is provided with There are a plurality of runner holes connecting the left mold cavity and the right mold cavity; the lower mold base is provided with a plurality of first molding rods and second molding rods corresponding to the left mold cavity and the right mold cavity respectively. The first molding rod and the second molding rod pass through the lower template and the lower mold core so that the tops are respectively connected to the left mold cavity and the right mold cavity; the upper template is connected with the first left mold core and the upper mold core. The first right mold core; the lower template is connected with a second left mold core and a second right mold core that pass through the lower mold core, and the first left mold core and the first right mold core are respectively connected with the second left mold core. The positions of the mold core and the second right mold core correspond up and down.

In a preferred technical solution, the first forming rod has a structure in which the bottom is inclined upward from the outside to the inside, and the second forming rod is a structure in which the bottom is inclined upward from the inside to the outside.

In a preferred technical solution, a plurality of the first forming rods surround the outside of the left mold cavity, and the top of the first forming rods is provided with a first forming part with a horizontal eversion structure, and the first forming part is connected to the left Mold cavity; multiple second forming rods surround the outside of the right mold cavity, and the top of the second forming rods is provided with a second forming part with a horizontal inward turning structure.

In a preferred technical solution, the lower mold base is provided with a thimble plate, and the thimble 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 to each other through the connecting pieces. Lower die base connection.

In the preferred technical solution, the connecting piece is provided with a chute, the bottom of the first forming rod and the second forming rod is provided with a slide block matched with the chute, and the first forming rod and the second forming rod pass through the slide block, The cooperation of the chute can be slidably connected with the connecting piece.

In a preferred technical solution, the ejector pin plate is provided with a plurality of ejector pins.

In the preferred technical solution, the bottom of the first left mold core and the top of the second left mold core are provided with matching molding structures, and the bottom of the first right mold core and the top of the second right mold core are provided with matching molding structures. structure.

In a preferred technical solution, the upper mold base is provided with a material injection port, and the material injection port is connected with the runner.

It can be known from the above technical solutions that, compared with the prior art, the utility model has the following beneficial technical effects:

The upper surface of the upper template is provided with a flow channel connecting the left cavity and the right cavity, and the flow channel extends correspondingly to the left cavity and the right cavity and injects plastic into the left cavity and the right cavity respectively through a plurality of flow holes, Make the injection of plastic more stable and uniform, which is conducive to product molding; the upper mold core and the lower mold core cooperate with multiple mold cores to make plastic molding together, which is conducive to the production of products with relatively complex structures, and different styles of products can be produced by replacing the mold cores , no need to replace the overall mold core, saving production costs; the setting of the left mold cavity and the right mold cavity enables the mold to produce a combined product with an upper shell and a lower shell, and the upper and lower shells of the product are formed in the left mold cavity and the right mold cavity respectively. shell and lower shell; the first forming rod and the second forming rod make the fastening structure in the product more effective. The first forming rod retracts inward, and the second forming rod corresponding to the right mold cavity expands outward, so as to prevent the product from being stuck by the forming part and cause damage during demoulding, so that the molding and demoulding of the product have better stability.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description It is only an embodiment of the utility model, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic diagram of an exploded structure of the utility model.

Fig. 2 is a schematic diagram of the three-dimensional structure of the upper mold.

Figure 3 is a schematic diagram of the exploded structure of the lower mold.

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

Fig. 5 is a top structural schematic diagram of the upper template.

Reference numerals: 100, upper mold base; 200, upper mold plate; 300, upper mold core; 400, lower mold base; 500, lower mold base; 600, lower mold core; 700, left mold cavity; 800, right mold cavity; 310, runner; 311, runner hole; 410, first forming rod; 420, second forming rod; 210, first left mold core; 220, first right mold core; 510, second left mold core; 520 , the second right mold core; 411, the first forming part; 421, the second forming part; 430, the thimble plate; 431, the connector; 432, the thimble; 110, the injection port.

Detailed ways

The present invention is described in further detail now in conjunction with accompanying drawing. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.

In the description of the present application, it should be understood that the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "left", "right", " The orientation or positional relationship indicated by "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, It is only for the purpose of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application. In the description of the present application, unless otherwise specified, "plurality" means two or more.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific situations.

A kind of mold with high stability, please refer to Fig. 1-5, the utility model is the injection mold of producing toy shell in this embodiment, at least produces the upper shell and the lower shell of toy overall shell, in other In an embodiment, the utility model can be designed to produce a combined shell product that also includes an upper shell and a lower shell; it includes an openable upper mold and a lower mold, and the upper mold includes an upper mold base 100 from top to bottom , upper template 200, upper mold core 300, lower mold includes lower mold base 400, lower template 500, lower mold core 600 from bottom to top; when upper mold and lower mold are closed, upper mold core 300 and lower mold core 600 A left mold cavity 600 and a right mold cavity 700 are formed between them, the lower shell in the toy shell is molded in the left mold cavity 600, the upper shell is molded in the right mold cavity 700, and the upper surface of the upper mold core 300 is provided with a runner 310 , the flow channel 310 is distributed horizontally, and three branches are formed on the right side. The direction of the flow channel 310 is not limited to this embodiment. In other embodiments, the flow channel 310 with different directions can be set according to the structure of the product, so that the molten plastic Injection into the interior, the upper mold base 100 is provided with an injection port 110, and the injection port 110 is connected to the flow channel 310; the molten plastic is injected into the mold through the injection port 110; the bottom of the flow channel 310 is provided with a plurality of connecting left mold cavities 700 and the runner hole 311 of the right mold cavity 800, the 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 hole 311 and is then formed. The multi-point injection method of plastic can be more Stable and more uniform injection into the left mold cavity 700 and the right mold cavity 800 is conducive to the simultaneous molding of the plastic in the two mold cavities. The lower mold base 400 is provided with 20 first molds corresponding to the left mold cavity 700 and the right mold cavity 800 respectively. One forming rod 410 and the second forming rod 420, wherein the first forming rod 410 corresponding to the left cavity 700 is 10, and the second forming rod 420 corresponding to the right cavity 800 is 10; the first forming rod 410 and the second The forming rod 420 passes through the lower mold plate 500 and the lower mold core 600 from bottom to top in order to connect the top of the left mold cavity 700 and the right mold cavity 800 respectively, and the top of the first forming rod 410 and the second ejector rod 420 are formed respectively. The interlocking structure of the edges of the upper shell and the lower shell shows that after the product is formed, the first forming rod 410 and the second forming rod 420 are located at the edge of the product and push up, which is helpful for the demoulding of the product. The distribution of force is more uniform, and the stability of demoulding is good, so as to avoid damage to products and waste parts caused by demoulding.

Furthermore, the upper mold plate 200 is connected with the first left mold core 210 and the first right mold core 220 which penetrate the upper mold core 300, and the lower mold plate 500 is connected with the second left mold core 510 which penetrates the lower mold core 600 And the second right mold core 520, the top of the first left mold core 210 and the second right mold core 220 are connected to the upper template 200, forming a part of the upper mold core 300 as a whole, the second left mold core 510 and the second right mold core 520 The bottom end of the lower mold core 500 is connected to form a part of the lower mold core 500 as a whole; the positions of the first left mold core 210 and the first right mold core 220 respectively correspond to the positions of the second left mold core 510 and the second right mold core 520 up and down The bottom of the first left mold core 210 and the top of the second left mold core 510 are provided with a matching molding structure, which is connected to the left mold cavity 700, and the structure of this part is simultaneously generated when the plastic is molded in the left mold cavity 700; The right mold core 220 and the top of the second right mold core 520 are provided with a matching molding structure, which is connected to the right mold cavity 800, and when the plastic is molded in the right mold cavity 800, the structure of this part is simultaneously generated, and the cooperation of the four mold cores It is conducive to forming a relatively complex structure, and the effect is better than only through the internal structure of the mold core; the part formed by the mold core corresponds to a different position in the shell of a variety of toys with basically the same structure, that is, to produce a variety of toys When the shell is used, only the corresponding mold cores in different positions need to be replaced immediately, and there is no need to replace the upper mold core 300 and the lower mold core 600 as a whole. The flexibility is better, and the same mold core can be used with different mold cores to produce parts with different specifications. shell, saving production costs.

Furthermore, the first forming rod 410 is a structure in which the bottom is inclined upward from the outside to the inside, and the second forming rod 420 is a structure in which the bottom is inclined upward from the inside to the outside; 10 first forming rods 410 and 10 second forming rods 420 respectively surround the outer edges of the left mold cavity 700 and the right mold cavity 800, which are three front, left and right sides and one rear; the top of the first forming rod 410 is provided with the first A molding part 411, the first molding part 411 is connected with the left mold cavity 700; the top of the second molding rod 420 is provided with the second molding part 421 of the horizontal inversion structure; There are 20 connectors 431 corresponding to the first forming rod 410 and the second forming rod 420, the first forming rod 410 and the second forming rod 420 are connected to the lower mold base 400 through the connecting member 431; the connecting member 431 is provided with a chute, The bottom of the first forming rod 410 and the second forming rod 420 is provided with a slide block matched with the chute, and the first forming rod 420 and the second forming rod are slidably connected with the connecting piece 431 through the cooperation of the slide block and the chute; A plurality of thimbles 432 are arranged on the plate 430, and the thimbles 432 are used to eject the product when it is demolded. The rod 420 is also driven to move upwards. Due to the oblique structure of the first forming rod 410 and the second forming rod 420 and the slidable connection structure at the bottom, the first forming rod 410 moves toward the inner side of the left mold cavity 700 when it moves up. The first molding part 411, which is held by the side molding position of the product, is separated from the side of the product to avoid blocking the demoulding of the product; when the second molding rod 420 moves up, it moves to the outside of the right mold cavity 800, and the top helps the product to demould at the same time off the edge of the product.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A high-stability mould, comprising an openable upper mold and a lower mold, the upper mold is provided with an upper mold base (100), an upper template (200), and an upper mold core (300), and the lower mold is provided with a lower mold Seat (400), lower mold plate (500), lower mold core (600), it is characterized in that: when described upper mold and lower mold are closed, at least between upper mold core (300) and lower mold core (600) A left mold cavity (700) and a right mold cavity (800) are formed; the upper surface of the upper mold core (300) is provided with a runner (310), and the bottom of the runner (310) is provided with a plurality of connecting left The runner holes (311) of the mold cavity (700) and the right mold cavity (800); the described lower mold base (400) is provided with a plurality of holes corresponding to the left mold cavity (700) and the right mold cavity (800) respectively. The first molding rod (410) and the second molding rod (420), the first molding rod (410) and the second molding rod (420) pass through the lower template (500), the lower mold core (600) so that Its top is respectively connected to the left mold cavity (700) and the right mold cavity (800); the upper mold plate (200) is connected with the first left mold core (210) and the first right mold core (210) which pass through the upper mold core (300). The mold core (220); the second left mold core (510) and the second right mold core (520) that are connected to the lower template (500) through the lower mold core (600), and the first left mold core (520) is connected. The positions of the mold core (210), the first right mold core (220) and the second left mold core (510) and the second right mold core (520) correspond up and down respectively. 2. A high-stability mold according to claim 1, characterized in that: the first forming rod (410) is a structure with the bottom upwardly inclined from outside to inside, and the second forming rod (420 ) is a structure with the bottom sloping upwards from the inside to the outside. 3. A high-stability mold according to claim 1, characterized in that: a plurality of the first forming rods (410) surround the outside of the left mold cavity (700), and the first forming rods (410) The top of the top is provided with the first molding part (411) of the horizontal eversion structure, and the first molding part (411) is connected to the left mold cavity (700); the second molding rods (420) surround the right Outside the mold cavity (800), the top of the second forming rod (420) is provided with a second forming portion (421) with a horizontal inward turning structure. 4. A high-stability mold according to claim 1, characterized in that: the lower mold base (400) is provided with a thimble plate (430), and the thimble plate (430) is provided with a plurality of corresponding first forming The connecting piece (431) of the rod (410) and the second forming rod (420), the first forming rod (410) and the second forming rod (420) are connected with the lower mold base (400) through the connecting piece (431). 5. A high-stability mold according to claim 4, characterized in that: the connecting piece (431) is provided with a slide groove, and the bottoms of the first forming rod (410) and the second forming rod (420) A slide block matching the chute is provided, and the first forming rod (410) and the second forming rod (420) are slidably connected to the connecting piece (431) through the cooperation of the slide block and the chute. 6. A mold with high stability according to claim 4, characterized in that: said ejector pin plate (430) is provided with a plurality of ejector pins (432). 7. A high-stability mold according to claim 1, characterized in that: the bottom of the first left mold core (210) and the top of the second left mold core (510) are provided with matching molding structures, so The bottom of the first right mold core (220) and the top of the second right mold core (520) are provided with matching molding structures. 8. A high-stability mold according to claim 1, characterized in that: the upper mold base (100) is provided with a material injection port (110), and the material injection port (110) and the runner (310) )connect.

Images