Precise die-casting die for filter cover

Abstract

The utility model relates to the technical field of die-casting dies, in particular to a precise die-casting die for a filter cover, which comprises a right movable die and a left movable die, a plurality of grooves are arranged on the right movable die, cores are arranged in the grooves, and a hydraulic rod is arranged on one side of each core far away from the left movable die. And a fixed mounting seat is arranged on the side, away from the mold core, of the hydraulic rod, a plurality of first grooves are formed in the left movable mold, exhaust assemblies are arranged in the first grooves, demolding can be conveniently and rapidly conducted, and the quality of metal products is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to die casting mould technical field, specifically, relate to a filter cover precision die casting mould. BACKGROUND

[0002] Die casting mould is the indispensable key component in die casting production, its main function is to inject molten metal into mould cavity, forms the die casting of required shape and size after cooling and solidification, the structure and shape of mould directly affect the appearance and dimensional accuracy of product, the working principle of die casting mould includes complex mechanism such as clamping, injection, cooling and ejection, is widely used in aerospace, automobile, electronics, consumer goods and building etc. industry, can produce the high dimensional accuracy, the surface finish is good, thin-walled and complex parts.

[0003] Such as Chinese patent publication: a precision die casting mould, application number: CN202320907707.5, including die casting mechanism and the die casting mechanism beside for separating the casting separating mechanism of casting;The side of die casting mechanism is provided with auxiliary separating mechanism, the auxiliary separating mechanism is provided with the plug rod for assisting the separation of casting, the plug rod is slidably connected in the inside of sleeve rod.This precision die casting mould, when assisting the separation of casting, the user first starts electric telescopic rod, drives the plug rod to slowly rise, drives the second pressure casting and the first pressure casting to separate, makes the pressure casting in the pressure casting groove exposed, starts the casting separating mechanism again, pushes out the pressure casting, then starts electric telescopic rod again, makes the plug rod retract, makes the second pressure casting and the first pressure casting recombine without deviation, makes the precision of pressure casting higher, also effectively improves the qualified rate of pressure casting.

[0004] But the technical scheme in the above, the die casting process as an important metal forming technology, in the future will continue to show broad development prospects, but also produced some problems, the traditional die casting mould in the demoulding process often has some problems, such as demoulding difficulty, the impurities in the external air is easy to enter the die casting cavity along the air groove when die casting, causes the surface of pressure casting to appear defects, not only affects the production efficiency, also can lead to product qualified rate to drop. UTILITY MODEL CONTENTS

[0005] The main purpose of the utility model is to provide a filter cover precision die casting mould, which can effectively solve the problem that the die casting process as an important metal forming technology will continue to show broad development prospects in the future, but also produced some problems, the traditional die casting mould in the demoulding process often has some problems, such as demoulding difficulty, the impurities in the external air is easy to enter the die casting cavity along the air groove when die casting, causes the surface of pressure casting to appear defects, not only affects the production efficiency, also can lead to product qualified rate to drop.

[0006] In order to achieve the above object, the utility model adopts the technical scheme that a filter cover precision die casting mould, including right movable mould and left movable mould, be provided with a plurality of type groove on the right movable mould, be provided with core in the type groove, the side away from the left movable mould of core is provided with hydraulic rod, the side away from the core of hydraulic rod is provided with fixed mounting seat, be provided with a plurality of first recess on the left movable mould, be provided with exhaust assembly in the first recess.

[0007] As preferred, the exhaust assembly includes an assembly base, the assembly base is provided with a first air groove, the first air groove is provided with a second recess on one side, the second recess is provided with a second air groove away from the first air groove.

[0008] As preferred, the second recess is provided with a spring, the spring is fixedly provided with a stop block on one side.

[0009] As preferred, the assembly base is fixedly installed in the first recess, the width and height of the second air groove are greater than the width and height of the second recess.

[0010] As preferred, the spring is fixedly installed in the second recess.

[0011] As preferred, the stop block is located in the second air groove.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] (1) the utility model uses, makes right movable mould and left movable mould die to metal product and carries out die casting forming, and when die casting forming, the first air groove is used to exhaust the extra air during die casting to the second recess, then the air extrudes the stop block, the stop block moves away from the second recess, the spring deforms, the stop block is closed to the second recess, then the air in the second recess moves to the second air groove, the second air groove is used to exhaust the extra air to the outside, when the extra air exhaust is completed, the air no longer extrudes the stop block, the spring rebounds, the stop block returns to the original position, and the second recess is closed again, so that the impurities in the external air are prevented from entering the die casting cavity during die casting, and the quality of the metal product is ensured.

[0014] (2) the utility model causes the surface of the die casting to appear defects, after the metal product is die casting formed, the core is moved outward through the hydraulic rod, then the right movable mould and the left movable mould are slid left and right respectively, because the core, the right movable mould and the left movable mould are coated with a release agent and have a draft angle, the release quality can be effectively ensured, then the metal product is taken off from the left movable mould by artificial or mechanical hand, and the metal die casting is completed, and this structure can conveniently and quickly release. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1This is a schematic diagram of the structure of a precision die-casting mold for a filter cover according to this utility model;

[0016] Figure 2 This is a schematic diagram of the exhaust assembly in a precision die-casting mold for a filter cover according to this utility model.

[0017] In the diagram: 1. Right moving mold; 2. Left moving mold; 3. Groove; 4. Core; 5. Hydraulic rod; 6. Fixed mounting base; 7. First groove; 8. Exhaust assembly; 801. Assembly base; 802. First air groove; 803. Second groove; 804. Second air groove; 805. Spring; 806. Stop block. Detailed Implementation

[0018] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0019] like Figure 1 As shown, a precision die-casting mold for a filter cover includes a right moving mold 1 and a left moving mold 2. The right moving mold 1 is provided with a plurality of grooves 3, and a core 4 is provided in the grooves 3. A hydraulic rod 5 is provided on the side of the core 4 away from the left moving mold 2, and a fixed mounting seat 6 is provided on the side of the hydraulic rod 5 away from the core 4. The left moving mold 2 is provided with a plurality of first grooves 7, and an exhaust assembly 8 is provided in the first grooves 7.

[0020] like Figure 2 As shown, in another embodiment of the present invention, the exhaust assembly 8 includes an assembly base 801, a first air groove 802 is provided on the assembly base 801, a second groove 803 is provided on one side of the first air groove 802, and a second air groove 804 is provided on the side of the second groove 803 away from the first air groove 802.

[0021] A spring 805 is provided in the second groove 803, and a stop block 806 is fixedly provided on one side of the spring 805;

[0022] When the metal product needs to be pressure cast, the extra air during pressure casting is discharged into the second groove 803 through the first air groove 802, then the air extrudes the block 806, the block 806 moves away from the second groove 803, the spring 805 deforms, the block 806 is no longer closed to the second groove 803, then the air in the second groove 803 moves into the second air groove 804, the extra air is discharged to the outside through the second air groove 804, when the discharge of the extra air is completed, the air no longer extrudes the block 806, the spring 805 rebounds, the block 806 returns to the original position, the second groove 803 is re-closed, the impurities in the outside air are prevented from entering the pressure casting cavity during pressure casting, and the surface defects of the pressure casting are caused.

[0023] The working principle of the filter cover precision die-casting mold is as follows:

[0024] In use, the right movable mold 1 and the left movable mold 2 are closed to pressure cast the metal product, during pressure casting, the extra air during pressure casting is discharged into the second groove 803 through the first air groove 802, then the air extrudes the block 806, the block 806 moves away from the second groove 803, the spring 805 deforms, the block 806 is no longer closed to the second groove 803, then the air in the second groove 803 moves into the second air groove 804, the extra air is discharged to the outside through the second air groove 804, when the discharge of the extra air is completed, the air no longer extrudes the block 806, the spring 805 rebounds, the block 806 returns to the original position, the second groove 803 is re-closed, the impurities in the outside air are prevented from entering the pressure casting cavity during pressure casting, and the surface defects of the pressure casting are caused, after the metal product is pressure cast, the core 4 is moved outward through the hydraulic rod 5, then the right movable mold 1 and the left movable mold 2 are simultaneously slid to the left and right respectively, because the core 4, the right movable mold 1 and the left movable mold 2 are coated with a release agent and have a draft angle, the release quality can be effectively ensured, then the metal product is taken off from the left movable mold 2 by artificial or mechanical hand, and the metal pressure casting is completed, the structure can conveniently and quickly release the mold, and the quality of the metal product is better ensured.

[0025] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application, and for those skilled in the art, other different forms of changes or variations can be made on the basis of the above description, and all the embodiments cannot be exhausted here, and any obvious changes or variations derived from the technical solutions of the present application still fall within the protection scope of the present application.

Claims

1. A filter cover precision die-casting mould comprising a right movable half (1) and a left movable half (2), characterised in that: The right movable mold (1) is provided with a plurality of type grooves (3), the type core (4) is arranged in the type groove (3), the type core (4) is provided with a hydraulic rod (5) away from the left movable mold (2), the hydraulic rod (5) is provided with a fixed mounting seat (6) away from the type core (4), the left movable mold (2) is provided with a plurality of first grooves (7), and the first groove (7) is provided with an exhaust assembly (8).

2. The filter cover precision die-casting mold according to claim 1, characterized in that: The exhaust assembly (8) comprises an assembly base (801), the assembly base (801) is provided with a first air groove (802), one side of the first air groove (802) is provided with a second groove (803), and one side of the second groove (803) away from the first air groove (802) is provided with a second air groove (804).

3. A filter cover precision die-casting mold according to claim 2, characterized in that: The second groove (803) is provided with a spring (805), and the spring (805) is fixedly provided with a stop block (806) on one side.

4. The filter cover precision die-casting mold according to claim 3, characterized in that: The assembly base (801) is fixedly installed in the first groove (7), and the width and height of the second air groove (804) are greater than the width and height of the second groove (803).

5. A filter cover precision die-casting mold according to claim 4, characterized in that: The spring (805) is fixedly installed in the second groove (803).

6. A filter cover precision die-casting mold according to claim 5, characterized in that: The stop block (806) is located in the second air groove (804).

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