Alloy filtering device for vacuum die casting

Abstract

The utility model belongs to the technical field of vacuum die casting, and particularly relates to an alloy filtering device for vacuum die casting. The alloy filtering device for the vacuum die casting comprises a storage barrel, a plurality of alloy filtering devices and a plurality of alloy filtering devices, wherein the storage barrel is used for accommodating a plurality of filters; the material taking mechanism is used for grabbing the filter located on the uppermost layer of the storage cylinder and placing the filter at an inlet of the mold sprue bush; wherein the filter comprises a plurality of layers of metal nets, and the number of the metal nets located on the lower layer is larger than that of the metal nets on the upper layer. The filter located on the uppermost layer of the storage barrel is grabbed through the material taking mechanism and placed at an inlet of the die sprue bush, the filter can filter metal oxide impurities generated by contact of molten metal and residual gas in the die-casting bin, and therefore the impurities are prevented from entering products, and the product quality can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of vacuum die casting, and in particular relates to an alloy filtering device for vacuum die casting. Background Art

[0002] The vacuum die-casting process is an advanced die-casting process that places the mold into a die-casting chamber and removes the air in the chamber to form a vacuum in the die-casting mold cavity, thereby eliminating or significantly reducing the pores and dissolved gases in the die-casting part, thereby improving the mechanical properties and surface quality of the die-casting part.

[0003] See also Figure 1 In the conventional vacuum die-casting process, since some air still remains in the die-casting chamber, the contact area between the molten metal and the residual gas in the vacuum increases during the process of pouring the sprue sleeve of the mold, thereby generating metal oxide impurities that enter the mold. Figure 6 , the metal oxide impurities produced are injected into the product, thereby reducing the quality of the product. Utility Model Content

[0004] The utility model aims to provide an alloy filtering device for vacuum die casting, so as to solve the technical problem that metal oxide impurities generated by the contact between molten metal and residual gas in the die casting chamber easily enter the mold in the existing vacuum die casting process.

[0005] The present application provides an alloy filtering device for vacuum die casting, comprising:

[0006] A storage cartridge for accommodating a plurality of filters placed in a stack;

[0007] The material taking mechanism is used to grab the filter located on the top layer of the storage cylinder and place it at the entrance of the mold gate sleeve;

[0008] The filter comprises multiple layers of metal mesh, and the mesh number of the metal mesh at the lower layer is greater than that at the upper layer.

[0009] In one embodiment of the present application, the filter includes three layers of metal mesh, and the mesh numbers of each metal mesh from top to bottom are 5 mesh, 10 mesh and 20 mesh respectively.

[0010] In one embodiment of the present application, a material ejecting mechanism is provided inside the storage cylinder for ejecting the filters one by one.

[0011] In one embodiment of the present application, the ejecting mechanism includes an electric push rod, a driving portion of which is fixed in the storage cylinder, and an end portion of the push rod is provided with a top plate for supporting the filter.

[0012] In one embodiment of the present application, the material taking mechanism includes:

[0013] operating lever;

[0014] The clamping head is arranged at one end of the operating rod and is used to grab the filter located at the uppermost layer of the storage cylinder.

[0015] In one embodiment of the present application, the clamping head is a finger cylinder.

[0016] In one embodiment of the present application, the handheld end of the operating lever is provided with a switch for controlling the finger cylinder.

[0017] The beneficial effects of the utility model are:

[0018] The present invention's alloy filtration device for vacuum die-casting includes a storage cartridge for accommodating a plurality of stacked filters; a retrieval mechanism for grabbing the topmost filter from the storage cartridge and placing it at the inlet of a mold's sprue bushing. The filters comprise multiple layers of metal mesh, with the mesh in the lower layer having a higher mesh count than that in the upper layer. By grabbing the topmost filter from the storage cartridge and placing it at the inlet of the mold's sprue bushing, the filter filters metal oxide impurities generated by the contact between molten metal and residual gas in the die-casting chamber, thereby preventing impurities from entering the finished product and improving product quality.

[0019] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention are realized and obtained by the structures particularly pointed out in the description and the drawings.

[0020] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 It is a schematic diagram of the pouring of molten metal into the mold during the die casting process;

[0023] Figure 2 This is a schematic diagram of the alloy filtering device for vacuum die casting of the present invention;

[0024] Figure 3 It is a schematic diagram of the filter of the present utility model;

[0025] Figure 4It is a schematic diagram of the material taking mechanism of the present utility model;

[0026] Figure 5 This is a schematic diagram of filtering the molten metal as it is poured into the mold during the die casting process;

[0027] Figure 6 This is the metallographic diagram of the unfiltered molten metal product;

[0028] Figure 7 This is the metallographic diagram of the product after molten metal is filtered.

[0029] In the picture:

[0030] Storage cylinder 1, ejecting mechanism 11, electric push rod 111, ejecting plate 112, filter 2, metal mesh 21, extracting mechanism 3, operating rod 31, clamping head 32. DETAILED DESCRIPTION

[0031] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0032] This application provides an alloy filtration device for vacuum die-casting, which is described in detail below. It should be noted that the order of description of the following embodiments does not limit the preferred order of the embodiments of this application. In addition, in the following embodiments, the description of each embodiment has its own emphasis. For parts not detailed in one embodiment, please refer to the relevant description of other embodiments.

[0033] See also Figure 2 In one embodiment, an alloy filtering device for vacuum die-casting includes: a storage cylinder 1 for accommodating a plurality of filters 2 stacked in layers; a material taking mechanism 3 for grabbing the filter 2 located on the top layer of the storage cylinder 1 and placing it at the inlet of the mold gate sleeve; wherein the filter 2 includes multiple layers of metal mesh 21, and the mesh number of the metal mesh 21 located in the lower layer is greater than that of the upper layer.

[0034] In one application scenario, see Figure 5 The filter 2 on the top of the storage cylinder 1 can be grabbed by the material taking mechanism 3 and placed at the entrance of the mold gate sleeve. The molten metal poured out of the crucible is filtered by the filter 2 and then enters the re-gate sleeve. Figure 7 , metal filters can effectively filter impurities in molten metal, thereby improving product quality.

[0035] Preferably, the filter 2 includes three layers of metal mesh 21, with the mesh sizes of the metal meshes 21 being 5 mesh, 10 mesh, and 20 mesh, respectively, from top to bottom. Of course, in other embodiments, the metal meshes 21 may have fewer than three layers, or more than three layers; the mesh size of the metal meshes 21 may be configured as needed. The metal meshes 21 may be made of a high-melting-point material.

[0036] In this embodiment, in order to facilitate the material taking mechanism 3 to grab the filter 2, preferably, Figure 2 The storage cylinder 1 is provided with a ejecting mechanism 11 inside for ejecting the filters 2 one by one.

[0037] Specifically, the ejecting mechanism 11 may include an electric push rod 111 , a driving portion of which is fixed in the storage cylinder 1 , and a top plate 112 for supporting the filter 2 is provided at the end of the push rod.

[0038] See also Figure 4 Preferably, the material taking mechanism 3 includes: an operating rod 31; a clamping head 32, which is provided at one end of the operating rod 31 and is used to grab the filter 2 located at the top layer of the storage cylinder 1.

[0039] In some application scenarios, the operating rod 31 can be clamped by a collaborative robot or held manually.

[0040] Optionally, the clamping head 32 is a finger cylinder.

[0041] Preferably, a switch for controlling the finger cylinder is provided at the handheld end of the operating rod 31. When manually holding the operating rod 31 for operation, the switch can be conveniently controlled to realize the clamping and releasing of the finger cylinder by the finger cylinder.

[0042] In one application scenario, compared Figure 6 and Figure 7 It can be found that by adding a filter to filter the molten metal liquid, impurities in the product are reduced and product quality is improved. In addition, the alloy filtering device for vacuum die casting of the utility model is easy to operate and has high production efficiency.

[0043] It should be noted that the various devices selected in this application (components whose specific structures are not specified) are all universal standard parts or components known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0044] In the description of the embodiments of the present invention, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0045] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating positions or relationships, are based on the positions or relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0046] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. An alloy filter device for vacuum die casting, characterized in that: include: A storage cartridge (1) for accommodating a plurality of filters (2) stacked in layers; The material taking mechanism (3) is used to grab the filter (2) located at the top layer of the storage cylinder (1) and place it at the entrance of the mold gate sleeve; The filter (2) comprises multiple layers of metal mesh (21), and the mesh number of the metal mesh (21) in the lower layer is greater than that in the upper layer.

2. The alloy filter device for vacuum die casting according to claim 1, characterized in that: The filter (2) comprises three layers of metal mesh (21), and the mesh numbers of each metal mesh (21) from top to bottom are 5 mesh, 10 mesh and 20 mesh respectively.

3. The alloy filtering device for vacuum die casting according to claim 1, characterized in that: A material ejecting mechanism (11) is provided inside the storage cylinder (1) for ejecting the filters (2) one by one.

4. The alloy filtering device for vacuum die casting according to claim 3, characterized in that: The ejecting mechanism (11) comprises an electric push rod (111), a driving portion of which is fixed in the storage cylinder (1), and a top plate (112) for supporting the filter (2) is provided at the end of the push rod.

5. The alloy filtering device for vacuum die casting according to claim 1, characterized in that: The material taking mechanism (3) comprises: operating lever (31); The clamping head (32) is arranged at one end of the operating rod (31) and is used to grab the filter (2) located at the uppermost layer of the storage cylinder (1).

6. The alloy filtering device for vacuum die casting according to claim 5, characterized in that: The clamping head (32) is a finger cylinder.

7. The alloy filtering device for vacuum die casting according to claim 6, characterized in that: The handheld end of the operating rod (31) is provided with a switch for controlling the finger cylinder.

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