Exothermic riser convenient for visual detection in post-treatment process

Abstract

The utility model relates to the technical field of exothermic risers, and particularly discloses an exothermic riser convenient for visual detection in a post-processing procedure, which comprises an outer cylinder with an inverted circular truncated cone structure, one end of the outer cylinder is of an open structure, the other end of the outer cylinder is of a closed structure, an inner cylinder is arranged in the outer cylinder, and a sealing ring is arranged between the inner cylinder and the outer cylinder. A heat insulation cavity is defined by the sealing ring, the inner cylinder and the outer cylinder, a qualified column, a middle column and a lowest column which are used for detection are arranged in the inner cylinder, the heights of the qualified column, the middle column and the lowest column are sequentially reduced, and the side, close to the opening end of the outer cylinder, of the qualified column is a qualified line. The side, close to the opening end of the outer cylinder, of the middle column is a middle line, and the side, close to the opening end of the outer cylinder, of the lowest column is an ideal line. According to the utility model, the height of the shape of the riser after pouring is clear at a glance through the obvious mark, and whether the riser is qualified or not can be directly judged through visual appearance.

Description

Technical Field

[0001] The utility model relates to the technical field of exothermic risers, in particular to an exothermic riser facilitating visual inspection in post-processing procedures. Background Art

[0002] An exothermic riser is a supplementary part added above or on the side of a casting to avoid defects in the casting. By adding a heat-generating agent, it generates heat and keeps warm during the casting process, thereby prolonging the solidification time of the molten metal in the riser and improving the feeding efficiency.

[0003] During the use of the existing exothermic risers, the remaining height after the feeding of the exothermic riser is unstable, which causes trouble for the judgment in the post-processing offline procedure. For standardized inspection, a ruler is needed to check the remaining height and determine whether it is qualified according to technical requirements.

[0004] However, this method cannot directly visualize the remaining height after the feeding of the hot riser, and tools are still required for measurement, with relatively cumbersome steps. Summary of the Invention

[0005] The purpose of the utility model is to provide an exothermic riser facilitating visual inspection in post-processing procedures, which can make the height of the riser shape clear at a glance through obvious markings after casting, and can directly judge whether it is qualified through visual appearance, so as to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: An exothermic riser facilitating visual inspection in post-processing procedures, comprising an outer cylinder with a frustum-shaped structure. One end of the outer cylinder is an open structure, and the other end is a closed structure. An inner cylinder is arranged inside the outer cylinder, and a sealing ring is arranged between the inner cylinder and the outer cylinder. An insulating cavity is enclosed among the sealing ring, the inner cylinder and the outer cylinder. Inside the inner cylinder, there are a qualified column, a median column and a minimum column for detection. The heights of the qualified column, the median column and the minimum column decrease in sequence. On the side of the qualified column close to the open end of the outer cylinder, there is a qualified line. On the side of the median column close to the open end of the outer cylinder, there is a median line. On the side of the minimum column close to the open end of the outer cylinder, there is an ideal line. At the bottom of the inner cylinder, there is an exhaust assembly penetrating through the inside of the outer cylinder.

[0007] Preferably, the exhaust assembly includes an exhaust cylinder. Inside the exhaust cylinder, there is a ventilation cone, and a movable ball is arranged on one side of the ventilation cone.

[0008] Preferably, the bottom of the movable ball is fixedly connected with a support spring, and a limiting cylinder is sleeved outside the support spring. There is a certain distance between the limiting cylinder and the movable ball.

[0009] Preferably, an exhaust net is provided at one end of the exhaust pipe away from the inner cylinder, and the exhaust pipe is in communication with the inner cylinder.

[0010] Preferably, the diameter of the ventilation cone increases sequentially from top to bottom, and the ventilation cone is in communication with the exhaust pipe. The ventilation cone is a hollow structure.

[0011] Preferably, the movable ball is elastically connected to the exhaust net through a support spring, and the diameter of the movable ball is larger than the inner diameter of the top of the ventilation cone.

[0012] Preferably, the heat insulation cavity is filled with heat insulation materials.

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

[0014] 1. By adding a qualified column, a median column, and a lowest column in the riser as obvious marks, the height of the riser shape after pouring is clear at a glance, and it can be directly judged whether it is qualified through visual appearance.

[0015] 2. Through the arranged exhaust assembly, it is convenient for gas to be discharged outward through the exhaust pipe. After the gas is discharged, the movable ball is pressed against the ventilation cone under the action of the support spring, and external air cannot enter the exothermic riser through the ventilation cone, so that the exothermic riser can be sealed. Description of the Drawings

[0016] In order to more clearly illustrate the specific embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the specific embodiments or the prior art. Obviously, the following drawings are some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0017] Figure 1 It is the overall structure view of the present utility model;

[0018] Figure 2 It is the semi-sectional structure schematic diagram of the present utility model;

[0019] Figure 3 It is the Figure 2 enlarged view of A in the present utility model;

[0020] Figure 4 It is the semi-sectional structure schematic diagram of the exhaust pipe of the present utility model.

[0021] Explanation of the reference numerals:

[0022] 1. Outer cylinder; 2. Sealing ring; 3. Inner cylinder; 4. Exhaust assembly; 401. Exhaust cylinder; 402. Ventilation cone; 403. Movable ball; 404. Limiting cylinder; 405. Exhaust net; 406. Support spring; 5. Heat insulation cavity; 6. Qualified column; 7. Median column; 8. Lowest column. Detailed implementation mode

[0023] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0024] The present invention provides a technical solution:

[0025] Please refer to Figures 1 to 4 , a riser for facilitating visual inspection in post-treatment processes, including an outer cylinder 1 with a frustum of a cone structure. One end of the outer cylinder 1 is an open structure, and the other end is a closed structure. An inner cylinder 3 is arranged inside the outer cylinder 1, and a sealing ring 2 is arranged between the inner cylinder 3 and the outer cylinder 1. A heat insulation cavity 5 is enclosed among the sealing ring 2, the inner cylinder 3 and the outer cylinder 1. Inside the inner cylinder 3, there are a qualified column 6, a median column 7 and a lowest column 8 for detection. The heights of the qualified column 6, the median column 7 and the lowest column 8 decrease in sequence. The side of the qualified column 6 close to the open end of the outer cylinder 1 is set as the qualified line, the side of the median column 7 close to the open end of the outer cylinder 1 is set as the median line, and the side of the lowest column 8 close to the open end of the outer cylinder 1 is set as the ideal line. At the bottom of the inner cylinder 3, there is an exhaust assembly 4 penetrating through the inside of the outer cylinder 1, and the heat insulation cavity 5 is filled with a heat preservation material.

[0026] By adopting the above technical solution, the outer cylinder 1 is inverted on the steel casting mold. As the molten steel is injected, it gradually enters the inside of the inner cylinder 3 and forms residues after cooling inside the inner cylinder 3. By adding the qualified column 6, the median column 7 and the lowest column 8 as obvious marks inside the riser, the height of the riser shape is clear at a glance after pouring, and it can be directly judged whether it is qualified through visual appearance. During implementation, if the riser is lower than the qualified line, it is judged as unqualified. If the riser is between the qualified column 6 and the median column 7, it is judged separately. If the riser is between the median column 7 and the lowest column 8, it is judged as qualified. If the riser is higher than the lowest column 8, it indicates that the riser space is relatively abundant, and a riser of a smaller size can be changed. The outer cylinder 1 and the inner cylinder 3 are connected through the sealing ring 2. After forming the heat insulation cavity 5, the heat preservation effect is improved. In order to increase the heat preservation performance of the heat insulation cavity 5, other heat preservation materials can be filled in the heat insulation cavity 5.

[0027] Specifically, as Figure 4As shown in the figure, the exhaust assembly 4 includes an exhaust pipe 401. Inside the exhaust pipe 401, there is a ventilation cone 402. On one side of the ventilation cone 402, there is a movable ball 403. At the bottom of the movable ball 403, there is a support spring 406 fixedly connected. And outside the support spring 406, there is a limiting cylinder 404 sleeved. There is a certain distance between the limiting cylinder 404 and the movable ball 403. At the end of the exhaust pipe 401 away from the inner cylinder 3, there is an exhaust net 405. And the exhaust pipe 401 is in communication with the inner cylinder 3. The diameter of the ventilation cone 402 increases successively from top to bottom. And the ventilation cone 402 is in communication with the exhaust pipe 401. The ventilation cone 402 is a hollow structure. The movable ball 403 is elastically connected to the exhaust net 405 through the support spring 406. And the diameter of the movable ball 403 is larger than the inner diameter of the top of the ventilation cone 402.

[0028] By adopting the above technical solution, after the molten steel enters the mold cavity, the gas is discharged outward through the exhaust pipe 401. At this time, the gas pushes the movable ball 403, and the movable ball 403 moves in the direction close to the support spring 406. At this time, the support spring 406 is compressed. The gas is discharged through the gap between the movable ball 403 and the ventilation cone 402 and is discharged from the heating riser through the exhaust net 405. After the gas is discharged, under the action of the support spring 406, the movable ball 403 can be pushed to move in the direction close to the ventilation cone 402. Thus, the movable ball 403 is close to the ventilation cone 402, and the outside air cannot enter the heating riser through the ventilation cone 402, so that the heating riser can be sealed to avoid the heat from dissipating outward through the exhaust pipe 401.

[0029] Working principle: The outer cylinder 1 is inverted on the cast steel mold. As the molten steel is poured in, it gradually enters the interior of the inner cylinder 3, and the gas is discharged outward through the exhaust cylinder 401. At this time, the gas pushes the movable ball 403, and the movable ball 403 moves in the direction close to the support spring 406. At this time, the support spring 406 is compressed, and the gas is discharged through the gap between the movable ball 403 and the ventilation cone 402 and discharged from the exothermic riser through the exhaust net 405. After the gas is discharged, under the action of the support spring 406, the movable ball 403 can be pushed to move in the direction close to the ventilation cone 402. Thus, the movable ball 403 is close to the ventilation cone 402, and external air cannot enter the exothermic riser through the ventilation cone 402. After cooling in the inner cylinder 3, residues are formed. By adding a qualified column 6, a median column 7, and a lowest column 8 in the riser as obvious marks, the height of the riser shape after pouring is clear at a glance, and it can be directly judged whether it is qualified by visual appearance. During execution, if the riser is lower than the qualified line, it is judged as unqualified. If the riser is between the qualified column 6 and the median column 7, it is judged separately. If the riser is between the median column 7 and the lowest column 8, it is judged as qualified. If the riser is higher than the lowest column 8, it means that the riser space is relatively abundant, and a riser of a smaller size can be changed. The outer cylinder 1 and the inner cylinder 3 are connected by a sealing ring 2. After forming the heat insulation cavity 5, the heat preservation effect is improved. In order to increase the heat preservation performance of the heat insulation cavity 5, other heat preservation materials can be filled in the heat insulation cavity 5.

[0030] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A heat-generating riser that facilitates visual inspection in a post-processing step, comprising an outer cylinder (1) of an inverted truncated cone structure, characterized in that: One end of the outer cylinder (1) is an open structure, and the other end of the outer cylinder (1) is a closed structure. An inner cylinder (3) is arranged inside the outer cylinder (1), and a sealing ring (2) is arranged between the inner cylinder (3) and the outer cylinder (1). A heat-insulating cavity (5) is enclosed between the sealing ring (2), the inner cylinder (3) and the outer cylinder (1). A qualified column (6), a middle column (7) and a lowest column (8) for detection are arranged inside the inner cylinder (3). The heights of the qualified column (6), the middle column (7) and the lowest column (8) decrease in sequence. The side of the qualified column (6) close to the open end of the outer cylinder (1) is set as a qualified line, the side of the middle column (7) close to the open end of the outer cylinder (1) is set as a middle line, and the side of the lowest column (8) close to the open end of the outer cylinder (1) is set as an ideal line. The bottom of the inner cylinder (3) is provided with an exhaust assembly (4) that runs through the inside of the outer cylinder (1).

2. A heat riser that is convenient for visual inspection in post-processing according to claim 1, characterized in that: The exhaust assembly (4) comprises an exhaust cylinder (401), a ventilation cone (402) is arranged inside the exhaust cylinder (401), and a movable ball (403) is arranged on one side of the ventilation cone (402).

3. The exothermic riser that is convenient for visual inspection in post-processing process according to claim 2, characterized in that: The bottom of the movable ball (403) is fixedly connected to a support spring (406), and the outer portion of the support spring (406) is sleeved with a limiting cylinder (404), with a certain distance between the limiting cylinder (404) and the movable ball (403).

4. The exothermic riser that is convenient for visual inspection in post-processing process according to claim 3, characterized in that: An exhaust net (405) is provided at one end of the exhaust cylinder (401) away from the inner cylinder (3), and the exhaust cylinder (401) and the inner cylinder (3) are in communication with each other.

5. The exothermic riser that is convenient for visual inspection in post-processing process according to claim 4, characterized in that: The diameter of the ventilation cone (402) increases from top to bottom, and the ventilation cone (402) and the exhaust pipe (401) are connected to each other. The ventilation cone (402) is a hollow structure.

6. The exothermic riser that is convenient for visual inspection in post-processing process according to claim 5, characterized in that: The movable ball (403) is elastically connected to the exhaust net (405) via a supporting spring (406), and the diameter of the movable ball (403) is greater than the inner diameter of the top of the ventilation cone (402).

7. The exothermic riser that is convenient for visual inspection in post-processing process according to claim 1, characterized in that: The heat-insulating cavity (5) is filled with heat-insulating material.

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