Riser device convenient to replace

Abstract

The utility model relates to the technical field of sand casting, and aims to solve the problems that the conventional riser device is inconvenient to replace and narrow in application range. The utility model provides a riser device convenient to replace. The riser device comprises a first barrel and a riser assembly, the riser assembly comprises a first riser and a second barrel; a bearing assembly is arranged in the first cylinder body; one end of the second cylinder body penetrates into the inner cavity of the first cylinder body and extends towards the bearing assembly; the other end of the second barrel penetrates out of the first barrel and is connected with the first cap; according to the utility model, the second cylinder body is embedded into the first cylinder body in a penetrating manner, so that the first cylinder bodies with different lengths can be conveniently replaced to supplement the feeding liquid according to the requirements of different castings, and the different second cylinder bodies can be conveniently replaced to install the first caps with different sizes and different heat gathering areas, and the second barrel body is used for carrying out carrying limiting through the carrying assembly arranged in the first barrel body, disassembly and assembly are convenient, and the application range is wide.

Description

Technical Field

[0001] The utility model relates to the technical field of sand casting, in particular to a riser device which is easy to replace. Background Art

[0002] Riser refers to a supplementary part added to the top or side of a casting to avoid defects in the casting. In the casting mold, the cavity of the riser is a cavity for storing liquid metal. It supplies metal when the casting is formed, and has the functions of preventing shrinkage cavities, shrinkage, exhaust and slag collection. The main function of the riser is to compensate for shrinkage. In the prior art, the riser is mainly a plane riser, that is, the top of the riser is in a uniform plane, such as the patent with publication number CN210940114U, which discloses a hot core pouring riser casting mold, and its riser is a plane riser;

[0003] However, when ordinary flat risers are used to feed the shrinkage of castings, the phenomenon of "capping" of the risers often occurs, that is, a complete solid metal layer is formed on the top of the riser without any perforations, and the molten metal on the top of the riser does not have the lower riser to play the proper shrinkage feeding role, resulting in shrinkage defects in the castings; in addition, when casting different products, the sizes of their risers vary greatly due to their different shrinkage feeding situations.

[0004] Based on the above description, there is an urgent need for a riser device that can be applied to a variety of castings. Utility Model Content

[0005] The utility model aims to provide a riser device which is easy to replace, aiming to solve the technical problems that the existing riser device is inconvenient to replace and has a narrow application range.

[0006] The embodiments of the present invention are implemented by the following technical solutions:

[0007] A riser device that is easy to replace includes a first cylinder and a riser assembly; the riser assembly includes a first head and a second cylinder; a receiving assembly is provided in the first cylinder; one end of the second cylinder passes through the inner cavity of the first cylinder and extends to the receiving assembly; the other end of the second cylinder passes through the first cylinder and is connected to the first head.

[0008] Preferably, the receiving assembly comprises a plurality of receiving blocks; the receiving blocks are arranged around the inner wall of the first cylinder; the second cylinder passes through the first cylinder and extends towards the receiving blocks.

[0009] Preferably, the plurality of receiving blocks are provided with limit slots; the slot cavities of adjacent limit slots are connected; and the slot cavities of the plurality of limit slots are embedded in the bottom of the wall of the second cylinder.

[0010] Preferably, one end of the second cylinder passing through the first cylinder is connected to the outer side wall of the first cylinder through a connecting component.

[0011] Preferably, the connecting component includes a first flange and a second flange; the first flange is arranged at one end of the first cylinder close to the first riser head; the second flange is arranged at one end of the second cylinder passing through the first cylinder; the first flange and the second flange are screwed together.

[0012] Preferably, the first flange and the second flange are relatively concavely provided with sealing grooves.

[0013] Preferably, a receiving groove is arranged in the first riser head; the receiving groove is used for receiving the wall ring.

[0014] The technical solution of the embodiment of the present utility model has at least the following advantages and beneficial effects:

[0015] By embedding the second cylinder into the first cylinder, the present utility model is convenient for adding feeding liquid by replacing the first cylinder with different lengths according to the requirements of different castings, and is also convenient for replacing different second cylinders to install first riser heads with different sizes and different heat accumulation areas. Among them, the second cylinder is received and limited by a receiving component arranged in the first cylinder, and the disassembly and assembly are convenient and the application range is wide. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other relevant drawings can also be obtained based on these drawings.

[0017] Figure 1 is a structural schematic diagram of the present utility model;

[0018] Figure 2 is Figure 1 a structural schematic diagram of the middle riser assembly;

[0019] Figure 3 is Figure 2 a structural schematic diagram after setting the wall ring;

[0020] Figure 4 is a top view of the first cylinder;

[0021] Figure 5 is Figure 4 a cross-sectional view after setting the second cylinder;

[0022] Figure 6 isFigure 4 Schematic diagram of the three-dimensional structure of the middle receiving block.

[0023] Icons: 1-first cylinder, 2-riser assembly, 21-first riser, 22-second cylinder, 3-receiving assembly, 31-receiving block, 4-connecting assembly, 41-first flange, 42-second flange, 5-receiving ring groove, 6-wall ring. DETAILED DESCRIPTION

[0024] Example 1

[0025] See also Figures 1 to 6 The utility model provides the following technical solutions: a riser device that is easy to replace and is suitable for risers used in various castings.

[0026] Specifically, Figure 1 and Figure 2 As shown, a riser device that is easy to replace includes a first barrel 1 and a riser assembly 2; the riser assembly 2 includes a first head 21 and a second barrel 22; a receiving assembly 3 is provided in the first barrel 1; one end of the second barrel 22 passes through the inner cavity of the first barrel 1 and extends to the receiving assembly 3; the other end of the second barrel 22 passes through the first barrel 1 and is connected to the first head 21.

[0027] In the present embodiment, by inserting the second cylinder 22 into the first cylinder 1, it is convenient to replace the first cylinder 1 of different lengths for adding shrinkage liquid according to the needs of different castings, and it is also convenient to replace different second cylinders 22 for installing first heads 21 of different sizes and different heat collection areas. The second cylinder 22 is provided with a receiving assembly 3 in the first cylinder 1 for receiving and limiting, which is convenient for disassembly and assembly and has a wide range of applications.

[0028] Specifically, Figures 4 to 6 As shown, the receiving assembly 3 includes a plurality of receiving blocks 31; the receiving blocks 31 are arranged around the inner wall of the first cylinder 1; the second cylinder 22 penetrates the first cylinder 1 and extends toward the receiving blocks 31. The plurality of receiving blocks 31 are provided with limited slots; the slots of adjacent limited slots are connected; the bottom of the cylinder wall of the second cylinder 22 is embedded in the slots of the plurality of limited slots.

[0029] The second cylinder 22 is embedded in the groove of the limiting slot, thereby ensuring the stability of the first head 21 when the liquid is replenished.

[0030] Specifically, Figures 1 to 6As shown, one end of the second cylinder body 22 passing through the first cylinder body 1 is connected to the outer side wall of the first cylinder body 1 through a connection assembly 4. The connection assembly 4 includes a first flange 41 and a second flange 42; the first flange 41 is arranged at one end of the first cylinder body 1 close to the first head 21; the second flange 42 is arranged at one end of the second cylinder body 22 passing through the first cylinder body 1; the first flange 41 and the second flange 42 are screwed together.

[0031] In this embodiment, the first flange 41 and the second flange 42 are relatively recessed with sealing grooves; thus, it is convenient to arrange a sealing ring between the first flange 41 and the second flange 42 to ensure the sealing performance after connection and avoid the leakage of the feeding liquid affecting demolding.

[0032] Specifically, as Figure 2 and Figure 3 shown, a receiving groove 5 is arranged in the first head 21; the receiving groove 5 is used to receive the wall ring 6.

[0033] In this embodiment, the inclination angle of the inner wall of the first head 21 can also be adjusted by replacing wall rings 6 with different thicknesses, so as to achieve different heat accumulation effects and be suitable for feeding different castings.

[0034] The above is only the preferred embodiment of the present invention and is not used to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A riser device that is convenient for replacement, including a first cylinder body (1), characterized in that: It further includes a riser assembly (2); the riser assembly (2) includes a first riser head (21) and a second cylinder body (22); a receiving assembly (3) is provided in the first cylinder body (1); one end of the second cylinder body (22) penetrates into the inner cavity of the first cylinder body (1) and extends towards the receiving assembly (3); the other end of the second cylinder body (22) penetrates out of the first cylinder body (1) and is connected to the first riser head (21).

2. The riser device that is easy to replace according to claim 1, wherein: The receiving assembly (3) includes a plurality of receiving blocks (31); the receiving blocks (31) are arranged in a ring on the inner side wall of the first cylinder body (1); the second cylinder body (22) penetrates into the first cylinder body (1) and extends towards the receiving blocks (31).

3. The riser device that is easy to replace according to claim 2, wherein: A limiting card slot is provided in each of the plurality of receiving blocks (31); the cavities of adjacent limiting card slots are communicated; the bottom of the cylinder wall of the second cylinder body (22) is embedded in the cavities of the plurality of limiting card slots.

4. The riser device that is easy to replace according to any one of claims 1 to 3, characterized in that: One end of the second cylinder body (22) that penetrates out of the first cylinder body (1) is connected to the outer side wall of the first cylinder body (1) through a connecting assembly (4).

5. The riser device that is convenient for replacement according to claim 4, characterized in that: The connecting assembly (4) includes a first flange (41) and a second flange (42); the first flange (41) is provided at one end of the first cylinder body (1) close to the first riser head (21); the second flange (42) is provided at one end of the second cylinder body (22) that penetrates out of the first cylinder body (1); the first flange (41) is screwed to the second flange (42).

6. The riser device that is convenient for replacement according to claim 5, characterized in that: Sealing grooves are recessed oppositely in the first flange (41) and the second flange (42).

7. The riser device that is easy to replace according to claim 5, characterized in that: A receiving groove (5) is provided in the first riser head (21); the receiving groove (5) is used for receiving a wall ring (6).

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