Accurate impurity filtering device in casting process of casting

Abstract

The utility model provides a precise impurity filtering device in the casting process of a casting, which belongs to the technical field of casting forming and comprises a solution filtering cylinder. The screening assembly comprises a first filter plate, first filter holes, a sliding groove, a second filter plate and second filter holes, the first filter plate is fixedly connected to the inner wall of the solution filter cartridge, the first filter holes are formed in the upper end of the first filter plate, the sliding groove is formed in the inner wall of the solution filter cartridge, the second filter plate is slidably connected into the sliding groove, and the sliding groove is attached to the second filter plate; the second filter holes are formed in the upper end of the second filter plate; and the control assembly comprises a rotating groove, a rotating sleeve, a threaded groove and a first screw rod, the rotating groove is formed in the inner wall of one side of the second filter plate, the rotating sleeve is rotationally connected into the rotating groove, the size of impurities in the filtered molten metal liquid is accurately controlled by controlling the size of the filter holes, and the strength and purity of the metal casting after casting forming are ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to foundry technology field, concretely relates to a kind of impurity accurate filtering device in casting process. BACKGROUND

[0002] Casting is a key step in casting process, refers to the molten metal liquid is poured into casting cavity, to form the process of the required shape and size parts.

[0003] The authorized publication number "CN218357726U" discloses an aluminum liquid impurity filtering device for aluminum alloy melting and casting, including aluminum liquid tank body, the top of the inner cavity of aluminum liquid tank body is provided with silicon carbide filter frame plate, the front side and the back side of the top of silicon carbide filter frame plate are both fixedly installed with support plate through bolt and nut, the four corners of the top of aluminum liquid tank body are all fixedly connected with limiting column, the top of limiting column penetrates to the top of support plate. The utility model has the advantages that the support plate is placed on the top of the aluminum liquid tank body first, the support plate is sleeved on the surface of the limiting column, and the stable plate is fixedly connected on the surface of the aluminum liquid tank body through the cooperation of the bolt, the support plate and the silicon carbide filter frame plate are transversely limited by the limiting column, and the support plate is vertically limited by the stable plate, so that the stability is good, the direct placement mode is replaced, the filter screen after shaking cannot be separated from the positioning key, and the stability of the filter screen in the aluminum liquid impurity filtering device is improved.

[0004] The above-mentioned novel improves the stability of the filter screen in the aluminum liquid impurity filtering device, but the filter hole size of the above-mentioned novel is fixed, the size of the filtered impurities cannot be controlled, and then the quality of the casting forming cannot be accurately controlled. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of impurity accurate filtering device in casting process, to solve the filter hole size of impurity in prior art is fixed, the size of the filtered impurities cannot be controlled, and then the quality of the casting forming cannot be accurately controlled Problem.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A kind of impurity accurate filtering device in casting process, comprising:

[0008] Solution filter cartridge;

[0009] Screening assembly, the screening assembly includes first filter plate, first filter hole, sliding groove, second filter plate and second filter hole, the first filter plate is fixedly connected to the inner wall of solution filter cartridge, the first filter hole is opened in the upper end of first filter plate, the sliding groove is opened in the inner wall of solution filter cartridge, the second filter plate is slidably connected in sliding groove, the sliding groove is attached to second filter plate, and the second filter hole is opened in the upper end of second filter plate.

[0010] The control assembly comprises a rotating groove, a rotating sleeve, a threaded groove and a first screw rod, the rotating groove is arranged in the inner wall of one side of the solution filtering cylinder, the rotating sleeve is rotationally connected in the rotating groove, the threaded groove is arranged in one side end of the rotating sleeve, and the first screw rod is fixedly connected with one side end of the second filter plate and is threadedly connected in the threaded groove.

[0011] As a preferred scheme of the utility model, one side end of the rotating sleeve is fixedly connected with a rotating handle penetrating the side inner wall of the rotating groove.

[0012] As a preferred scheme of the utility model, the circumferential inner wall of the rotating groove is provided with a limiting groove, and the circumferential surface of the rotating sleeve is fixedly connected with a limiting rotating plate, and the limiting rotating plate rotates in the limiting groove.

[0013] As a preferred scheme of the utility model, the upper end of the solution filtering cylinder is provided with a connecting plate, the outer surface of the connecting plate is sleeved with a feeding plate, and the lower end of the feeding plate is provided with a connecting corner.

[0014] As a preferred scheme of the utility model, the outer surfaces of the connecting plate and the connecting corner are provided with a plurality of connecting holes, and a second screw rod is threadedly connected in each of the connecting holes.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] 1、In the scheme, when the second filter hole left side larger diameter center and the first filter hole are combined, the filter hole formed by the first filter hole and the second filter hole is larger, when the right smaller center and the first filter hole are combined, the filter hole is smaller, thereby accurately controlling the size of the impurities of the molten metal liquid, and ensuring the strength and purity of the metal casting after the casting is formed.

[0017] 2、In the scheme, after the screening is finished, the feeding plate can be disassembled, and the metal molten liquid impurities retained on the upper end of the first filter plate can be cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0018] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used together with the embodiments of the utility model to explain the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0019] Figure 1 It is the structure perspective view of the utility model;

[0020] Figure 2 It is the structure sectional view in the utility model;

[0021] Figure 3The structural section view explosion map in the utility model;

[0022] Figure 4 The utility model discloses Figure 3 The enlarged view of A in the utility model.

[0023] In the figure: 1, solution filter cylinder;2, first filter plate;3, first filter hole;4, sliding groove;5, second filter plate;6, second filter hole;7, rotating groove;8, rotating sleeve;9, threaded groove;10, first screw;11, limiting groove;12, limiting rotating plate;13, rotating handle;14, connecting plate;15, feeding plate;16, connecting angle;17, connecting hole;18, second screw. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0025] EMBODIMENT

[0026] Please refer to Figures 1-4 The utility model provides the following technical scheme:

[0027] A kind of impurity precision filtering device in casting process, comprising:

[0028] Solution filter cylinder 1;

[0029] Screening assembly, screening assembly includes first filter plate 2, first filter hole 3, sliding groove 4, second filter plate 5 and second filter hole 6, first filter plate 2 is fixedly connected to the inner wall of solution filter cylinder 1, first filter hole 3 is opened in the upper end of first filter plate 2, sliding groove 4 is opened in the inner wall of solution filter cylinder 1, second filter plate 5 is slidably connected in sliding groove 4, sliding groove 4 is attached to second filter plate 5, and second filter hole 6 is opened in the upper end of second filter plate 5;

[0030] Control assembly, control assembly includes rotating groove 7, rotating sleeve 8, threaded groove 9 and first screw 10, rotating groove 7 is opened in the inner wall of one side of solution filter cylinder 1, rotating sleeve 8 is rotatably connected in rotating groove 7, threaded groove 9 is opened in one side end of rotating sleeve 8, and first screw 10 is fixedly connected to one side end of second filter plate 5 and is threadedly connected in threaded groove 9.

[0031] In the embodiment of the utility model, solution filter cylinder 1 is arranged at the lower end of the molten metal liquid discharge port of the casting and the upper end of the casting container, the first filter plate 2 and the second filter plate 5 are both made of ceramic material and have high melting points, the molten metal liquid flows into the casting mold through the screening assembly in the falling process, the impurities are filtered by the first filter hole 3 and the second filter hole 6 opened at the upper end of the first filter plate 2 and the second filter plate 5 and are retained on the first filter plate 2, each second filter hole 6 is attached to each first filter hole 3, the first filter hole 3 is a circular hole, the second filter hole 6 has two semicircular sides with different diameters, the size of the filter hole formed by the first filter hole 3 and the second filter hole 6 can be controlled through the control assembly, the first filter plate 2 is fixed and cannot move, and the second filter plate 5 can slide in the sliding groove 4, when the size of the filter port needs to be controlled, the operator rotates the limiting rotating plate 12, since the first screw rod 10 is fixed and cannot rotate with the second filter plate 5 and is screwed with the threaded groove 9, the rotating sleeve 8 will drive the second filter plate 5 to slide in the sliding groove 4 when rotating, when the center of the larger diameter on the left side of the second filter hole 6 is attached to the first filter hole 3, the filter hole formed by the first filter hole 3 and the second filter hole 6 is larger, and when the center of the smaller diameter on the right side is attached to the first filter hole 3, the filter hole is smaller, so that the size of the impurities in the molten metal liquid can be accurately controlled, and the strength and purity of the metal casting after the casting is formed are ensured.

[0032] For details, please refer to Figures 1-4 One side end of the rotating sleeve 8 is fixedly connected with a rotating handle 13 penetrating through the side inner wall of the rotating groove 7.

[0033] In the embodiment, the rotating handle 13 is connected with the rotating sleeve 8 through one side end of the solution filter cylinder 1, and the size of the filter hole can be adjusted by rotating the rotating handle 13 from the outside by the operator.

[0034] For details, please refer to Figures 1-4 The circumferential inner wall of the rotating groove 7 is provided with a limiting groove 11, and the circumferential surface of the rotating sleeve 8 is fixedly connected with a limiting rotating plate 12, and the limiting rotating plate 12 rotates in the limiting groove 11.

[0035] In the embodiment, the limiting rotating plate 12 is sleeved outside the rotating sleeve 8 and rotates in the limiting groove 11 to limit the rotating sleeve 8, so that the rotating sleeve 8 cannot slide back and forth in the rotating groove 7 but can only rotate in the rotating groove 7.

[0036] For details, please refer to Figures 1-4 The upper end of the solution filter cylinder 1 is provided with a connecting plate 14, the outer surface of the connecting plate 14 is sleeved with an inlet plate 15, and the lower end of the inlet plate 15 is provided with a connecting angle 16.

[0037] In the embodiment, the connecting plate 14 matches the inner wall of the connecting angle 16, when the feeding plate 15 is sleeved outside the connecting plate 14, the upper inner wall of the connecting angle 16 matches the upper end of the connecting plate 14, so that there is no gap at the connecting position of the feeding plate 15 and the connecting plate 14, and the molten metal liquid used for casting is filtered by flowing into the solution filtering cylinder 1 through the flared upper end of the feeding plate 15.

[0038] For details, please refer to Figures 1-4 The outer surfaces of the connecting plate 14 and the connecting angle 16 are provided with a plurality of connecting holes 17, and the second screw rod 18 is screwed in the plurality of connecting holes 17.

[0039] In the embodiment, after the feeding plate 15 is sleeved outside the solution filtering cylinder 1, the connecting holes 17 provided on the feeding plate 15 match the connecting holes 17 provided on the outer side of the connecting plate 14, at this time, the second screw rod 18 is screwed in to fix the feeding plate 15 and the solution filtering cylinder 1, when the filtering is finished, the feeding plate 15 can be disassembled and the metal molten liquid impurities retained on the upper end of the first filter plate 2 can be cleaned.

[0040] The working principle and use process of the utility model are as follows: the solution filtering cylinder 1 is arranged at the lower end of the molten metal liquid discharge port of the casting and the upper end of the casting container, the first filter plate 2 and the second filter plate 5 are made of ceramic material and have high melting points, the molten metal liquid flows into the casting mold through the filtering assembly in the falling process, and the impurities are filtered by the first filter holes 3 and the second filter holes 6 provided on the upper end of the first filter plate 2 and the second filter plate 5, and are retained on the first filter plate 2, each second filter hole 6 matches each first filter hole 3, the first filter hole 3 is a circular hole, the second filter hole 6 has two semicircular sides with different diameters, the size of the filtering hole formed by the first filter hole 3 and the second filter hole 6 can be controlled through the control assembly, the first filter plate 2 is fixed and cannot move, and the second filter plate 5 can slide in the sliding groove 4, when the size of the filtering hole needs to be controlled, the operator rotates the limiting rotating plate 12, since the first screw rod 10 is fixed and cannot rotate with the second filter plate 5, and the first screw rod 10 is screwed in the threaded groove 9, so the sleeve 8 rotates and drives the second filter plate 5 to slide in the sliding groove 4, when the larger center of the left side of the second filter hole 6 matches the first filter hole 3, the filtering hole formed by the first filter hole 3 and the second filter hole 6 is larger, and when the smaller center of the right side matches the first filter hole 3, the filtering hole is smaller, so the size of the filtered molten metal liquid impurities is accurately controlled, and the strength and purity of the metal casting after the casting is formed are ensured.

[0041] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for precise filtration of impurities in a casting process, characterized in that: Include: Solution filter cartridge (1); Screening assembly, the screening assembly includes first filter plate (2), first filter hole (3), sliding groove (4), second filter plate (5) and second filter hole (6), the first filter plate (2) is fixedly connected to the inner wall of solution filter cartridge (1), the first filter hole (3) is opened in the upper end of first filter plate (2), the sliding groove (4) is opened in the inner wall of solution filter cartridge (1), the second filter plate (5) is slidingly connected in sliding groove (4), the sliding groove (4) is attached to second filter plate (5), the second filter hole (6) is opened in the upper end of second filter plate (5); Control assembly, the control assembly includes rotating groove (7), rotating sleeve (8), threaded groove (9) and first screw rod (10), the rotating groove (7) is opened in the inner wall of one side of solution filter cartridge (1), the rotating sleeve (8) is rotatably connected in rotating groove (7), the threaded groove (9) is opened in one side end of rotating sleeve (8), the first screw rod (10) is fixedly connected to one side end of second filter plate (5) and is threadedly connected in threaded groove (9).

2. The device for precise filtration of impurities in the process of casting of foundry castings according to claim 1, characterized in that: The side end of rotating sleeve (8) is fixedly connected with rotating handle (13) penetrating the side inner wall of rotating groove (7).

3. The device for precise filtration of impurities in the process of casting of foundry items according to claim 2, characterized in that: The circumferential inner wall of rotating groove (7) is provided with limiting groove (11), the circumferential surface of rotating sleeve (8) is fixedly connected with limiting rotating plate (12), the limiting rotating plate (12) rotates in limiting groove (11).

4. The device for precise filtration of impurities in the process of casting of foundry items according to claim 3, characterized in that: The upper end of solution filter cartridge (1) is provided with connecting plate (14), the outer surface of connecting plate (14) is provided with feeding plate (15), the lower end of feeding plate (15) is provided with connecting angle (16).

5. The device for precise filtration of impurities in the process of casting of foundry items according to claim 4, characterized in that: The outer surface of connecting plate (14) and connecting angle (16) is provided with a plurality of connecting holes (17), a plurality of second screw rods (18) are threadedly connected in the connecting holes (17).

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