CN217944130U

CN217944130U - Mould with adjustable mould core position

Info

Publication number: CN217944130U
Application number: CN202221850415.4U
Authority: CN
Inventors: 潘旭; 廖楚平
Original assignee: Suzhou Lylap Mould Technology Co ltd
Current assignee: Suzhou Lylap Mould Technology Co ltd
Priority date: 2022-07-18
Filing date: 2022-07-18
Publication date: 2022-12-02
Anticipated expiration: 2032-07-18

Abstract

The utility model relates to the technical field of mold manufacturing, in particular to a mold with an adjustable mold core position; including last cover half benevolence and lower movable mould benevolence, form product die cavity, its characterized in that after going up cover half benevolence and lower movable mould benevolence compound die: a convex plate with a cross section in a regular polygon shape is arranged on the lower surface of the upper fixed die core in a downward protruding mode, and a concave cavity is formed in the center of the convex plate in an upward concave mode; the upper surface of the lower movable die core is provided with a groove which is matched with the convex plate and has a regular polygonal cross section downwards, and the center of the groove is provided with a core which is matched with the concave cavity and has a cylindrical structure upwards in a protruding manner; adjusting blocks which are uniformly arranged around the mold core at intervals extend from the edge of the groove to the periphery of the lower movable mold core, and each adjusting block can move and adjust along the radial direction of the mold core; the utility model has the advantages of reasonable design, can adjust according to the difference of cup wall thickness, have very big promotion to injection moulding process, improve the homogeneity of cup structure product wall thickness of moulding plastics, be worth wideling popularize.

Description

Mould with adjustable mould core position

Technical Field

The utility model relates to a technical field is made to the mould, in particular to mould benevolence position adjustable mould.

Background

The mold is used for obtaining various molds and tools of required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production; in short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts.

For injection molding of thin-wall products such as cups and the like, most of the existing production processes are difficult to make the hole of the fixed die and the insert of the movable die concentric, so that the wall thickness is easy to be uneven, and if the injection cannot be made for the first time, the later die is difficult to debug and modify; particularly, the annular cup body used on a radar product can ensure that the radar transmits and returns signals only by ensuring the uniform thickness of the glue position of the annular cup body; a mold with an adjustable position of a mold core is proposed to solve the problems in the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose is: the mold with the mold core position adjustable is provided, and the problems that in the prior art, for injection molding of thin-wall products such as cups and the like, the wall thickness is easy to be uneven, the hole of a fixed mold and a movable mold insert are difficult to be concentric in most of the existing production processes, and if the hole cannot be concentric for the first time, the mold is difficult to debug and modify in the later period are solved.

The technical scheme of the utility model is that: a mold with adjustable mold core positions comprises an upper fixed mold core and a lower movable mold core, wherein a product cavity is formed after the upper fixed mold core and the lower movable mold core are assembled, a convex plate with a cross section in a regular polygon shape is arranged on the lower surface of the upper fixed mold core in a downward protruding mode, and a concave cavity is formed in the center of the convex plate in an upward concave mode; the upper surface of the lower movable die core is provided with a groove which is matched with the convex plate and has a regular polygonal cross section in a downward concave manner, and the center of the groove is provided with a core which is matched with the concave cavity and has a cylindrical structure in an upward convex manner; and the lower movable die core extends adjusting blocks which are uniformly arranged around the die core at intervals from the edge of the groove to the periphery, and each adjusting block can move and adjust along the radial direction of the die core.

Preferably, the adjusting block is fixed on the lower movable die core through a bolt arranged along the radial direction of the die core.

Preferably, the outer peripheral surface of the convex plate is provided with a plurality of inclined surfaces, and the plurality of inclined surfaces enable the convex plate to be a cone with a large opening at the upper end and a small opening at the lower end.

Preferably, the number of the adjusting blocks is the same as the number of the edges of the convex plate with the cross section being in a regular polygon shape.

Preferably, a guide positioning column is arranged on the outer side of the convex plate on the lower surface of the upper fixed mold core; and a guide groove is formed in the position, corresponding to the position of the guide positioning column, of the upper surface of the lower movable die core.

Preferably, the cross section of the convex plate is a regular octagon, the cross section of the groove is a regular octagon, and the number of the adjusting blocks is eight.

Preferably, the number of the guiding positioning columns is four, and the number of the guiding grooves is four.

Compared with the prior art, the utility model has the advantages that:

in the utility model, when the upper fixed die core and the lower movable die core are assembled on the injection molding machine, the guide positioning column is inserted into the guide groove for positioning, the convex plate is inserted into the groove for further positioning, the die core is inserted into the cavity to enclose the product die cavity, and the integral positioning precision is high; after the start of moulding plastics, in the examination mould, if the wall thickness of the cyclic annular cup of back of moulding plastics is inconsistent, can be through the radial movement of twisting the bolt of twisted relevant position along the core to this regulating block who adjusts the correspondence, the relative and lower movable mould benevolence's of overall position of the benevolence of cover half is realized, and it is even to guarantee that cyclic annular cup glues a position thickness, the utility model has the advantages of reasonable design, it is very convenient to use, can adjust according to the difference of cup wall thickness, has had very big promotion to injection moulding process, has improved the homogeneity of cup structure product wall thickness of moulding plastics, is worth wideling popularize.

Drawings

The invention will be further described with reference to the following drawings and examples:

fig. 1 is a schematic structural diagram of a mold with adjustable mold core positions according to the present embodiment;

FIG. 2 is a top view of FIG. 1;

FIG. 3 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 2;

fig. 4 is a schematic structural view of the upper cavity plate of the present embodiment;

fig. 5 is a schematic structural diagram of the lower movable mold core according to the embodiment.

Wherein: 1. the die comprises an upper fixed die core, a lower movable die core, a convex plate, a concave cavity, a concave groove, a convex plate, a concave groove, a regulating block, a bolt, a guide positioning column, a guide groove and a guide groove.

Detailed Description

The following detailed description is made for the contents of the present invention with reference to the specific embodiments:

in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do 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 invention.

As shown in fig. 1-5, a mold with an adjustable mold core position comprises an upper fixed mold core 1 and a lower movable mold core 2, wherein the upper fixed mold core 1 and the lower movable mold core 2 are assembled to form a product cavity, a convex plate 3 with a regular polygonal cross section is arranged on the lower surface of the upper fixed mold core 1 in a downward protruding manner, and a concave cavity 4 is formed in the center of the convex plate 3 in an upward concave manner; the upper surface of the lower movable die core 2 is provided with a groove 5 which is matched with the convex plate 3 and has a regular polygon cross section, the number of the edges of the regular polygon groove 5 can be selected according to requirements, in the embodiment, the cross section of the convex plate 3 is regular octagon, the cross section of the groove 5 is regular octagon, the peripheral surface of the convex plate 3 is provided with a plurality of inclined planes, the plurality of inclined planes enable the convex plate 3 to be a cone (shown in figure 3) with a large opening at the upper end and a small opening at the lower end, and the cone is convenient for the convex plate 3 to be inserted into the groove 5; a mold core 6 with a cylindrical structure which is matched with the concave cavity 4 is convexly arranged at the right center of the groove 5; the lower movable die core 2 extends adjusting blocks 7 which are uniformly arranged around the die core 6 at intervals from the edge of the groove 5 to the periphery, and the number of the adjusting blocks 7 is eight. Each adjusting block 7 can be adjusted in a movable manner in the radial direction of the core 6. The adjusting block 7 is fixed on the lower die core 2 through a bolt 8 arranged along the radial direction of the die core 6. The number of the adjusting blocks 7 is the same as the number of the edges of the convex plate 3 with the cross section of a regular polygon. A guiding positioning column 9 is arranged on the lower surface of the upper fixed die core 1 and positioned on the outer side of the convex plate 3; the upper surface of the lower movable mould core 2 is provided with a guide groove 10 corresponding to the position of the guide positioning column 9, and when the upper movable mould core 1 and the lower movable mould core 2 are assembled, the guide positioning column 9 and the guide groove 10 play a role in positioning. The number of the guiding positioning columns 9 is four, and the number of the guiding grooves 10 is four.

When the upper fixed die core 1 and the lower movable die core 2 are assembled on an injection molding machine, the guide positioning column 9 is inserted into the guide groove 10 for positioning, the convex plate 3 is inserted into the groove 5 for further positioning, the die core 6 is inserted into the cavity 4 to surround and form a product die cavity, and the integral positioning precision is high; after injection molding is started, if the wall thickness of the annular cup body after injection molding is inconsistent, the corresponding adjusting block 7 can be adjusted by screwing the bolt 8 at the corresponding position to move along the radial direction of the mold core 6, so that the adjustment of the whole position of the upper fixed mold core 1 relative to the lower movable mold core 2 is realized, the uniform thickness of the glue position of the annular cup body is ensured, and the use is very convenient.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as exemplary and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a mould benevolence position adjustable mould, includes the merciful and peaceful movable mould benevolence of last cover half, form product cavity, its characterized in that after going up the merciful and peaceful movable mould benevolence compound die of cover half, go up the merciful and peaceful movable mould benevolence compound die of lower cover half: the lower surface of the upper fixed die core is provided with a convex plate with a regular polygonal cross section in a downward protruding mode, and a concave cavity is formed in the center of the convex plate in an upward concave mode; the upper surface of the lower movable die core is provided with a groove which is matched with the convex plate and has a regular polygonal cross section in a downward concave mode, and the center of the groove is provided with a core which is matched with the concave cavity and has a cylindrical structure in an upward convex mode; the lower movable die core is provided with adjusting blocks which are arranged around the die core at uniform intervals from the edge of the groove to the periphery, and each adjusting block can move and adjust along the radial direction of the die core.

2. The mold of claim 1, wherein the mold core is adjustable in position: the adjusting block is fixed on the lower movable die core through bolts arranged along the radial direction of the die core.

3. The mold of claim 1, wherein the mold core position is adjustable by: the peripheral surface of the convex plate is provided with a plurality of inclined surfaces, and the inclined surfaces enable the convex plate to be a cone with a large opening at the upper end and a small opening at the lower end.

4. The mold of claim 1, wherein the mold core position is adjustable by: the number of the adjusting blocks is the same as that of the convex plates with the cross sections in the shape of a regular polygon.

5. The mold of claim 1, wherein the mold core position is adjustable by: a guide positioning column is arranged on the outer side of the convex plate on the lower surface of the upper fixed die core; and a guide groove is formed in the position, corresponding to the position of the guide positioning column, of the upper surface of the lower movable die core.

6. The mold of claim 1, wherein the mold core position is adjustable by: the cross section of the convex plate is a regular octagon, the cross section of the groove is a regular octagon, and the number of the adjusting blocks is eight.

7. The mold of claim 5, wherein the mold core position is adjustable by: the number of the guide positioning columns is four, and the number of the guide grooves is four.