CN220517445U - Mold core structure of upper cover mold of purifier - Google Patents

Abstract

The utility model discloses a mold core structure of a purifier upper cover mold, which relates to the technical field of mold structures and comprises a fixed mold, a fixed mold blank, a movable mold core and a mold circumference core, wherein the fixed mold and the fixed mold blank are integrally formed into a primary reserved mold core, the movable mold comprises the movable mold core, inclined drawing slide ways are integrally arranged at four corners of the movable mold core, inclined drawing slide blocks are slidably arranged at the positions of the inclined drawing slide ways, the mold circumference core is four flat slide blocks, and slide block inserts are arranged on the flat slide blocks at the left side and the right side. The design reduces the number of the mould parts, shortens the manufacturing and forming time of the mould parts, reduces the processing and manufacturing cost of the mould and improves the quality of the mould.

Description

Mold core structure of upper cover mold of purifier

Technical Field

The utility model relates to the technical field of mold structures, in particular to a mold core structure of a purifier upper cover mold.

Background

The household purifier has small volume, powerful functions and complicated inner structure, and the upper cover is one key part with requirement on the appearance and function of the whole purifier.

The plastic material of the upper cover product of the purifier is PP material, the periphery of the bottom area of the inner side of the product is in a whole-circle back-off design, and the mold cannot be directly ejected out on the movable mold during injection molding. A fixed mold part core and a mold blank A plate of a traditional mold structure are separated, a movable mold core part is divided into 5 blocks, the periphery of the inner wall of a product is designed to be ejected by an oblique drawing sliding block, and corners of the inner wall of the product are designed to be ejected by an oblique ejection structure.

Under the normal condition, the movable components are easily problematic during injection molding production, so that the production is influenced, the sliding block, the inclined top and the movable model core are repeatedly rubbed, the phenomena of unbalanced action, asynchronous action and the like of each moving part are easily generated, and the stability and the reliability of injection molding production are difficult to ensure. Because the mold moving mold core is provided with the large-angle sliding blocks and the inclined top, the mold has more reciprocating parts during injection molding production, and the requirements on the processing and the grinding of the mold are very high.

Therefore, to ensure the stability and reliability of the mold in the injection molding production process, the existing mold core structure design needs to be further improved.

Disclosure of Invention

The utility model provides a mold core structure of a mold for a purifier upper cover, which meets the requirement of demolding and ejection of a reverse buckle of a peripheral ring at the bottom area inside a product, improves the stability of the mold core structure of the mold for the household purifier upper cover, and reduces the processing and manufacturing cost of the mold. The design reduces the number of the mould parts, shortens the manufacturing and forming time of the mould parts, reduces the processing and manufacturing cost of the mould and improves the quality of the mould.

In order to solve the technical problems, the mold core structure of the upper cover mold of the purifier comprises a fixed mold, a fixed mold blank, a movable mold core and a mold circumference mold core, wherein the fixed mold and the fixed mold blank are integrally formed into a primary reserved mold core, the movable mold comprises the movable mold core, inclined drawing slide ways are integrally arranged at four corners of the movable mold core, and inclined drawing slide blocks are slidably arranged at the positions of the inclined drawing slide ways.

Preferably, the original body leaving core is provided with guide holes at the positions of four corners.

Preferably, the mold circumference core is four flat-out sliding blocks, wherein sliding block inserts are arranged on the flat-out sliding blocks at the left side and the right side.

Preferably, the number of said slider inserts on each flat slider is two.

Preferably, the original body leaving core is provided with insert grooves for being matched with the sliding block inserts, and the number and the installation positions of the insert grooves are matched with the sliding block inserts.

Preferably, the movable mold core is further provided with a plurality of ejection pushing blocks for ejecting the upper cover of the purifier.

Compared with the related art, the utility model has the following beneficial effects:

according to the utility model, the original mold core structure is optimized, so that the processing and manufacturing time of the part is shortened, the manufacturing efficiency of the part is improved, the manufacturing cost of the part is reduced, the stability and reliability of the mold in injection molding production are ensured, the processing and forming time of the part is reduced, the processing cost is reduced, the quality of part processing is improved, the manufacturing cost of the mold is reduced, and the maintenance probability of the mold in actual injection molding production is reduced.

Drawings

FIG. 1 is a schematic diagram of a fixed mold in the present utility model;

FIG. 2 is a schematic diagram of a movable mold in a state without a diagonal draw slide block;

FIG. 3 is a schematic diagram showing a state that a movable mold is provided with an oblique drawing sliding block in the utility model;

fig. 4 is a schematic structural view of a flattened slider in the present utility model.

Reference numerals in the drawings: 1. leaving the core in the original body; 2. a guide hole; 3. a moving mold core; 4. obliquely drawing the slideway; 5. flattening the sliding block; 6. a slider insert; 7. a slide block is obliquely drawn; 8. and (5) ejecting the pushing block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, a mold core structure of a mold for an upper cover of a purifier comprises a fixed mold, a fixed mold blank, a movable mold core and a mold circumference core, wherein the fixed mold and the fixed mold blank are integrally formed into a primary reserved core 1, the primary fixed mold structure of a product of the upper cover of the purifier is formed by separating the core from a mold blank A plate, and the primary reserved core 1 is changed to be the primary reserved core 1, so that the core and the A plate are the same part, the positioning areas of the fixed mold part and the movable mold part are increased, the positioning reliability is enhanced, and the material and processing cost of the mold are reduced.

The guide holes 2 are formed in the positions of the four corners of the original body reserved core 1, the guide posts can be matched to play a guiding role, the movable mould comprises a movable mould core 3, the movable mould core 3 is integrally provided with inclined drawing slide ways 4 at the four corners, inclined drawing slide blocks 7 are slidably arranged at the positions of the inclined drawing slide ways 4, the inner bottom area of a purifier upper cover product is a whole circle of back-off, the periphery side surfaces of the original mould core are inclined drawing slide blocks, the four inclined drawing slide blocks on the periphery side surfaces of the original mould core are cancelled, the back-off area of the product is subjected to forced release during injection production, the number of mould core parts is reduced, the processing difficulty of the movable mould core and the grinding work load of a mould are reduced, and the manufacturing cost of the mould is reduced.

The inner side wall corner of the upper cover product of the purifier is originally designed into four inclined jacks, the length of each inclined jack reaches 575mm, deformation is easy to occur when the inclined jacks are too long, friction occurs during injection molding production, thermal expansion, thermal deformation and the like are easy to occur due to reciprocating movement of the inclined jacks, production abnormality is caused, the inclined jacks are changed into inclined drawing sliding blocks 7, the ejection force of the product is increased, risks of abnormal injection molding production caused by deformation of the inclined jacks are reduced, and the stability and reliability of the die are improved.

The mold circumference core is four flat-out sliders 5, wherein slider inserts 6 are all installed on the flat-out sliders 5 on the left side and the right side, the number of the slider inserts 6 on each flat-out slider 5 is two, insert grooves for matching the slider inserts 6 are formed in the original mold core 1, the number and the installation of the insert grooves are all matched with the slider inserts 6, the bottom circumference area of a purifier upper cover product is designed into four movable mold cores, the movable mold cores are changed into flat-out sliders 5, the product back-off area is forcedly removed, the purifier upper cover product has a money changing requirement, the side wall of the product has a through groove feature, the original design is 16 flat-out sliders, the original flat-out sliders are changed into the slider inserts 6, the part processing workload is reduced, and the mold manufacturing cost is reduced.

In addition, a plurality of ejection pushing blocks 8 for ejecting the upper cover of the purifier are further arranged on the movable model core 3, the size of the upper cover of the purifier is 378 mm-373 mm-197mm, the size of the product is large, and the top of the product is provided with bone position characteristics, so that the ejection pushing blocks 8 are added for preventing the top of the product from sticking to the model.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a clarifier upper cover mould core structure, includes cover half, cover half mould embryo, movable mould core and mould week circle core, its characterized in that, cover half and cover half mould embryo integrated into one piece are former body and stay core (1), the movable mould includes movable mould core (3), movable mould core (3) are provided with to one side at four corners an organic wholely and take out slide (4), and take out slide (7) to one side in the slidable of the position of slide (4) to one side.

2. The mold core structure for the upper cover of the purifier according to claim 1, wherein the original mold core (1) is provided with guide holes (2) at the positions of four corners.

3. The mold core structure for the upper cover of the purifier according to claim 2, wherein the mold circumference mold core is provided with four flat-out sliding blocks (5), and sliding block inserts (6) are arranged on the flat-out sliding blocks (5) on the left side and the right side.

4. A purifier upper cover mould core structure according to claim 3, characterized in that the number of said slider inserts (6) on each flattened slider (5) is two.

5. The purifier upper cover mold core structure according to claim 4, wherein the original body reserved core (1) is provided with insert grooves for being matched with the sliding block inserts (6), and the number and the installation positions of the insert grooves are matched with the sliding block inserts (6).

6. A purifier upper cover mould core structure according to any one of claims 1-5, characterized in that the movable mould core (3) is further provided with a plurality of ejector pushers (8) for ejecting the purifier upper cover.