Special-shaped ceramic filter for metal casting

Abstract

The utility model discloses a special-shaped ceramic filter for metal casting, which belongs to the technical field of filters, and particularly comprises a filter pipeline and a liquid injection pipeline, the filter pipeline is detachably connected with the liquid injection pipeline, the inside of the other end of the filter pipeline is fixedly connected with a limit ring, and a filter element is arranged above the limit ring; a limiting frame is fixedly connected into the liquid injection pipeline, a limiting shaft is fixedly connected to the limiting frame, the limiting shaft is movably sleeved with a movable frame, the movable frame is detachably connected with one end of the liquid injection pipeline, and the position, between the limiting frame and the movable frame, of the limiting shaft is further sleeved with a buffer frame. According to the ceramic filter, the filter element in the filter pipeline is convenient to disassemble and assemble, filter residues are prevented from being clamped in the filter element to influence the filtering effect of the ceramic filter, and through the limiting frame, the movable frame and the buffer frame, a buffer effect can be achieved on molten metal entering the filter pipeline, and the situation that the filter element is damaged due to large impact of the molten metal is avoided.

Description

Technical Field

[0001] This utility model belongs to the field of filter technology, specifically relating to a non-circular ceramic filter for metal casting. Background Technology

[0002] Foam ceramic filters for casting possess a superior three-dimensional mesh structure, effectively removing inclusions and various impurities from molten metal, thus improving the internal quality of castings and reducing various inclusion defects. Currently, foam ceramic filters are being rapidly adopted and applied in casting production in my country and most parts of the world.

[0003] Existing ceramic filters are not easy to disassemble and install quickly with pipelines. Filter residue can get stuck inside the filter element during long-term use, making it difficult to clean and thus hindering the long-term use of ceramic filters. Furthermore, the impact of molten metal flowing in is significant, which can easily damage or break the ceramic filter. Therefore, there is a need to provide a special-shaped ceramic filter for metal casting to solve the above-mentioned technical problems. Utility Model Content

[0004] To address the problems mentioned in the background section, this invention provides a shaped ceramic filter for metal casting, which facilitates the disassembly and installation of the filter element and buffers the incoming molten metal, preventing damage to the filter element due to excessive impact from the molten metal.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a special-shaped ceramic filter for metal casting, comprising a filter pipe and a liquid injection pipe, wherein the filter pipe and the liquid injection pipe are detachably connected, and a limiting ring is fixedly connected inside the other end of the filter pipe, and a filter element is disposed above the limiting ring;

[0006] A limiting frame is fixedly connected inside the injection pipe, a limiting shaft is fixedly connected to the limiting frame, a movable frame is movably sleeved on the limiting shaft, the movable frame is detachably connected to one end of the injection pipe, and a buffer frame is also sleeved on the limiting shaft between the limiting frame and the movable frame.

[0007] Preferably, multiple filter elements are provided, which are distributed along the axial direction of the filter pipe, and the size and number of pores on the multiple filter elements are different.

[0008] Preferably, the inner wall of the filter pipe is provided with a first internal thread, and the outer wall of the injection pipe is provided with a first external thread that matches the first internal thread, and the filter pipe is threadedly connected to the injection pipe.

[0009] Preferably, the outer wall of the movable frame is provided with a second external thread, and the liquid injection pipe is provided with a second internal thread matched with the second external thread, and the movable frame is threadedly connected to the liquid injection pipe.

[0010] Preferably, the limiting frame and the movable frame each comprise an inner ring, an outer ring and a supporting rod, the inner ring is arranged at the middle of the outer ring, the inner ring is sleeved on the limiting shaft, and the inner ring and the outer ring are fixedly connected through the supporting rods which are circumferentially distributed.

[0011] Preferably, the buffer frame comprises an inner sleeve, an outer sleeve and a buffer rod, the inner sleeve is movably sleeved on the limiting shaft and located between the limiting frame and the movable frame, the outer sleeve is arranged on the outer side of the inner sleeve and abuts against the liquid injection pipe, and the outer sleeve and the inner sleeve are fixedly connected through the buffer rods which are circumferentially distributed.

[0012] Preferably, the buffer net is further fixedly connected between two adjacent buffer rods.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] The utility model discloses convenient to dismantle and install the filter core in the filter pipe, avoid the filter residue and affect the filtering effect of the ceramic filter, through the limiting frame, movable frame and buffer frame set up, can buffer the metal liquid that enters the filter pipe, avoid the metal liquid impact and cause the damage of filter core. DRAWINGS

[0015] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model, and do not constitute the limitation to the utility model.

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0017] Figure 2 It is the filter pipe cross section structure schematic diagram of the utility model;

[0018] Figure 3 It is the liquid injection pipe three-dimensional structure schematic diagram of the utility model;

[0019] Figure 4 It is the liquid injection pipe three-dimensional explosion structure schematic diagram of the utility model;

[0020] Figure 5 It is the liquid injection pipe cross section structure schematic diagram of the utility model;

[0021] In the figure: 1, filter pipeline; 2, liquid injection pipeline; 3, limiting ring; 4, filter core; 5, limiting frame; 6, limiting shaft; 7, movable frame; 71, inner ring; 72, outer ring; 73, support rod; 8, buffer frame; 81, inner sleeve; 82, outer sleeve; 83, buffer rod; 84, buffer net. DETAILED DESCRIPTION

[0022] 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.

[0023] EMBODIMENT

[0024] Please refer to Figures 1-5 The embodiment provides the following technical scheme: a special-shaped ceramic filter for metal casting, comprising a filter pipeline 1 and a liquid injection pipeline 2, the liquid inlet end of the filter pipeline 1 is detachably connected with the liquid outlet end of the liquid injection pipeline 2, the inside of the liquid outlet end of the filter pipeline 1 is fixedly connected with a limiting ring 3, a filter core 4 is arranged above the limiting ring 3, the filter pipeline 1 is detachably connected with the liquid injection pipeline 2, the filter core 4 in the filter pipeline 1 can be disassembled and assembled according to requirements, and the filter residue is prevented from being stuck in the filter core 4 to affect the filtering effect of the ceramic filter.

[0025] In some embodiments, a plurality of filter cores 4 are arranged, the plurality of filter cores 4 are distributed along the axial direction of the filter pipeline 1, the hole size and the number of the plurality of filter cores 4 are different, the hole size and the number of the uppermost filter core 4 are smaller than the hole size and the number of the lowermost filter core 4, and the plurality of filter cores 4 can be limitedly arranged in the filter pipeline 1 under the cooperation of the limiting ring 3 and the liquid injection pipeline 2, the plurality of filter cores 4 can filter the metal residue one by one, and the filtering effect of the metal liquid is improved.

[0026] A first inner thread is arranged on the inner wall of the filter pipeline 1, a first outer thread matched with the first inner thread is arranged on the outer wall of the liquid injection pipeline 2, and the filter pipeline 1 is threadedly connected with the liquid injection pipeline 2, so that the filter pipeline 1 can be disassembled or assembled on the liquid injection pipeline 2 by rotating the filter pipeline 1 in a forward direction or a reverse direction.

[0027] The limiting frame 5 is fixedly connected in the liquid injection pipeline 2, the bottom of the limiting frame 5 is fixedly connected with a limiting shaft 6, the movable frame 7 is movably sleeved on the limiting shaft 6, the movable frame 7 is detachably connected with the bottom end of the liquid injection pipeline 2, the buffer frame 8 is further sleeved on the limiting shaft 6 and located between the limiting frame 5 and the movable frame 7, through the limiting frame 5, the movable frame 7 and the buffer frame 8, the metal liquid entering the filter pipeline 1 can be buffered, and damage of the filter element 4 caused by large impact of the metal liquid can be avoided.

[0028] The outer wall of the movable frame 7 is provided with a second external thread, the liquid injection pipeline 2 is provided with a second internal thread matched with the second external thread, and the movable frame 7 is screwed on the liquid injection pipeline 2, so that the movable frame 7 can be assembled and disassembled on the liquid injection pipeline 2, and the buffer frame 8 can be disassembled or replaced.

[0029] In some embodiments, the limiting frame 5 comprises an inner ring 71, an outer ring 72 and a support rod 73, the inner ring 71 is arranged in the middle of the outer ring 72, the inner ring 71 is fixedly sleeved on the limiting shaft 6, and the inner ring 71 and the outer ring 72 are fixedly connected through a plurality of circumferentially distributed support rods 73.

[0030] The movable frame 7 comprises an inner ring 71, an outer ring 72 and a support rod 73, the inner ring 71 is arranged in the middle of the outer ring 72, the inner ring 71 is movably sleeved on the limiting shaft 6, and the inner ring 71 and the outer ring 72 are fixedly connected through a plurality of circumferentially distributed support rods 73.

[0031] The buffer frame 8 comprises an inner sleeve 81, an outer sleeve 82 and a buffer rod 83, the inner sleeve 81 is movably sleeved on the limiting shaft 6 and located between the limiting frame 5 and the movable frame 7, the outer sleeve 82 is arranged on the outer side of the inner sleeve 81 and abuts against the liquid injection pipeline 2, the outer sleeve 82 and the inner sleeve 81 are fixedly connected through a plurality of circumferentially distributed buffer rods 83, and adjacent two buffer rods 83 are further fixedly connected with a buffer net 84, through the inner sleeve 81, the outer sleeve 82 and the buffer rod 83, the buffer frame 8 can be installed between the limiting frame 5 and the movable frame 7, the buffer net 84 can be supported, the buffer net 84 can better buffer the residues, and the residues can be filtered.

[0032] The working principle of the utility model is: when in use, the metal liquid is poured into the liquid injection pipeline 2, under the action of the buffer net 84, the metal liquid can be buffered, and the residues in the metal liquid can be filtered, the metal liquid after buffering and filtering enters the filter pipeline 1, the metal liquid sequentially passes through each filter element 4 in the filter pipeline 1, so that the filter element 4 can better filter the residues in the metal liquid, and the filtered metal liquid is discharged from the filter pipeline 1 and then enters the pouring mold.

[0033] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A shaped ceramic filter for metal casting, characterized in that: It includes a filter pipe (1) and a liquid injection pipe (2), the filter pipe (1) and the liquid injection pipe (2) are detachably connected, a limiting ring (3) is fixedly connected inside the other end of the filter pipe (1), and a filter element (4) is provided above the limiting ring (3). A limiting frame (5) is fixedly connected inside the injection pipe (2). A limiting shaft (6) is fixedly connected on the limiting frame (5). A movable frame (7) is movably sleeved on the limiting shaft (6). The movable frame (7) is detachably connected to one end of the injection pipe (2). A buffer frame (8) is also sleeved on the limiting shaft (6) between the limiting frame (5) and the movable frame (7).

2. A shaped ceramic filter for metal casting according to claim 1, characterized in that: Multiple filter elements (4) are provided, and the multiple filter elements (4) are distributed along the axial direction of the filter pipe (1), and the size and number of pores on the multiple filter elements (4) are different.

3. A shaped ceramic filter for metal casting according to claim 1, characterized in that: The filter pipe (1) has a first internal thread on its inner wall, and the injection pipe (2) has a first external thread that matches the first internal thread on its outer wall. The filter pipe (1) is threadedly connected to the injection pipe (2).

4. A shaped ceramic filter for metal casting according to claim 1, characterized in that: The movable frame (7) has a second external thread on its outer wall, and the injection pipe (2) has a second internal thread that matches the second external thread. The movable frame (7) is threadedly connected to the injection pipe (2).

5. A shaped ceramic filter for metal casting according to claim 4, characterized in that: The limiting frame (5) and the movable frame (7) both include an inner ring (71), an outer ring (72) and a support rod (73). The inner ring (71) is located in the middle of the outer ring (72). The inner ring (71) is sleeved on the limiting shaft (6). The inner ring (71) and the outer ring (72) are fixedly connected by a plurality of circumferentially distributed support rods (73).

6. A shaped ceramic filter for metal casting according to claim 5, characterized in that: The buffer frame (8) includes an inner sleeve (81), an outer sleeve (82), and buffer rods (83). The inner sleeve (81) is movably sleeved on the limiting shaft (6) and located between the limiting frame (5) and the movable frame (7). The outer sleeve (82) is located outside the inner sleeve (81) and fits against the injection pipe (2). The outer sleeve (82) and the inner sleeve (81) are fixedly connected by multiple circumferentially distributed buffer rods (83).

7. A shaped ceramic filter for metal casting according to claim 6, characterized in that: A buffer net (84) is also fixedly connected between two adjacent buffer rods (83).

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