A dustproof and heat-insulating device for reverse liquid transfer
By installing a dustproof and heat-insulating cover and a transparent cover on the outside of the laser rangefinder, the impact of dust and high temperature on the ranging accuracy is solved, enabling high-precision measurement and convenient maintenance of the laser rangefinder.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANHUI BAOMEI LIGHT ALLOY CO LTD
- Filing Date
- 2025-05-20
- Publication Date
- 2026-06-12
AI Technical Summary
During the casting process of light alloys, the laser rangefinder is affected by dust and high temperature, which leads to a decrease in ranging accuracy.
Dustproof and heat-insulating components, including a dustproof and heat-insulating cover and a transparent cover, are installed on the outside of the laser rangefinder to reduce the impact of dust and high temperature. The stability and convenience of the transparent cover are ensured by fasteners and spring devices.
This improves the ranging accuracy of the laser rangefinder, ensures data reliability, and enhances maintenance convenience.
Smart Images

Figure CN224346938U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of light alloy casting technology, specifically relating to a reverse suction and liquid transfer dustproof and heat insulation device. Background Technology
[0002] The reverse suction transfer device can be used to safely and efficiently transfer molten light alloy liquid from the furnace to the casting mold or cavity during the casting process. By using reverse suction, the flow rate and speed of the liquid can be precisely controlled, thereby ensuring the stability of the casting process and the quality of the castings.
[0003] Patent publication number CN117620129A discloses a light alloy back-suction liquid transfer device and its process. The patent discloses a liquid transfer pot and a heat-insulating casting furnace. A back-suction pipe connects the liquid transfer pot and the heat-insulating casting furnace. The liquid transfer pot consists of a furnace body, a crucible disposed inside the furnace body, and a furnace cover mounted on the top of the crucible. A laser rangefinder is installed on the furnace cover. The heat-insulating casting furnace includes a furnace body, a crucible disposed inside the furnace body, and a furnace cover mounted on the top of the crucible. A back-suction pump, a laser liquid level rangefinder, an upper liquid level probe, a working liquid level probe, a lower liquid level probe, a casting pump, and a casting pipe are respectively disposed on the furnace cover. The back-suction pump is sealed and connected to the back-suction pipe, and the outlet of the casting pump is sealed and connected to the casting pipe. A pouring nozzle is connected to the casting pipe.
[0004] In the light alloy casting environment, the temperature is high and there is dust. Temperature changes can cause changes in the laser's output power, laser wavelength and internal structure. Dust can scatter the laser, interfere with the measurement and affect the ranging accuracy. Utility Model Content
[0005] The purpose of this invention is to provide a dustproof and heat-insulating device for reverse suction and liquid transfer, which sets dustproof and heat-insulating components on the outside of the laser rangefinder to reduce the impact of dust and high temperature.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a back-suction liquid-conversion dustproof and heat-insulating device, comprising...
[0007] A liquid transfer furnace body, on which a liquid transfer crucible is detachably mounted, and on the top of the liquid transfer crucible is a liquid transfer furnace cover, and on the top of the liquid transfer furnace cover is a first laser rangefinder.
[0008] The casting furnace body is located on one side of the liquid transfer furnace body, and a casting furnace crucible is detachably installed on the casting furnace body. A casting furnace cover is detachably installed on the top of the casting furnace crucible, and a second laser rangefinder is installed on the top of the casting furnace cover.
[0009] A back suction pipe is provided on the cover of the transfer ladle furnace and the cover of the casting furnace, with one end of the back suction pipe extending into the interior of the transfer ladle crucible and the other end extending into the interior of the casting furnace crucible.
[0010] The dustproof and heat-insulating component includes a dustproof and heat-insulating cover disposed outside the first laser rangefinder and the second laser rangefinder, with the bottom and front ends of the dustproof and heat-insulating cover open, a transparent cover hinged to the front surface of the dustproof and heat-insulating cover, a protrusion disposed on the rear surface of the transparent cover, and a groove opened on the front surface of the dustproof and heat-insulating cover for the protrusion to be inserted.
[0011] Preferably, it further includes fasteners symmetrically arranged on the inner side of the groove, a fastening groove opened at one end of the fastener, a spring disposed at the bottom of the fastening groove, and a stop block disposed at one end of the spring and extending to the outside of the fastener, and the two stop blocks can abut against the raised side surface.
[0012] Preferably, it further includes symmetrically arranged protrusions on the abutment block, a guide rod disposed at one end of the protrusion, and a guide ring disposed at the opening of the fastening groove, wherein the guide rod passes through the guide ring.
[0013] Preferably, it also includes fastening ears symmetrically arranged on the side surface of the dustproof and heat-insulating cover, and the fastening ears have fixing holes inside.
[0014] Preferably, it also includes a back suction pump installed on the top of the furnace cover of the casting furnace, and the back suction pump is connected to the back suction pipe through a pipeline.
[0015] Preferably, it also includes an upper liquid level probe, a working liquid level probe, and a lower liquid level probe installed on the top of the furnace cover of the casting furnace, and one end of the upper liquid level probe, the working liquid level probe, and the lower liquid level probe all extend into the interior of the casting furnace crucible.
[0016] Preferably, it also includes a casting pump installed on the top of the casting furnace cover, a casting pipe installed on the top of the casting furnace cover, with one end of the casting pipe extending into the interior of the casting furnace crucible, and a pouring nozzle provided at one end of the casting pipe, wherein the casting pump and the casting pipe are connected by a pipeline.
[0017] Preferably, it also includes a support rod disposed on the top of the casting furnace body, and a support ring disposed on the top of the support rod to support the casting pipe.
[0018] Compared with the prior art, the beneficial effects of this utility model are:
[0019] The dustproof and heat-insulating components can be designed to cover the first and second laser rangefinders as needed, reducing the impact of dust and high temperatures and ensuring ranging accuracy. The transparent cover allows for easy observation of the data monitored by the first and second laser rangefinders. The transparent cover can also be opened, increasing the convenience of maintaining the first and second laser rangefinders. Attached Figure Description
[0020] Figure 1 This is a schematic diagram of the structure of this utility model;
[0021] Figure 2 This is a schematic diagram of the splicing structure of the transparent cover and the dustproof and heat-insulating cover of this utility model;
[0022] Figure 3 For the present utility model Figure 2 A magnified schematic diagram of region E in the diagram;
[0023] Figure 4 For the present utility model Figure 3 A schematic diagram of the enlarged structure of region M in the diagram;
[0024] Figure 5 For the present utility model Figure 1 A magnified schematic diagram of region D in the diagram.
[0025] In the diagram: 1. Transfer bath furnace body; 11. Transfer bath crucible; 2. Transfer bath furnace cover; 21. First laser rangefinder; 3. Back suction pipe; 4. Casting furnace body; 41. Casting furnace crucible; 5. Casting furnace cover; 51. Second laser rangefinder; 52. Back suction pump; 53. Upper liquid level probe; 54. Working liquid level probe; 55. Lower liquid level probe; 56. Casting pump; 57. Casting pipe; 570. Pour nozzle; 6. Dustproof and heat-insulating cover; 61. Transparent cover; 610. Protrusion; 62. Groove; 63. Fastening ear; 7. Support rod; 71. Support ring; 8. Fastener; 81. Fastening groove; 810. Spring; 811. Guide ring; 9. Abutment; 91. Protrusion; 910. Guide rod; 10. Extension ear. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1
[0028] Please see Figures 1-4 This is the first embodiment of the present invention, which provides a reverse suction and liquid transfer dustproof and heat insulation device, including...
[0029] The furnace body 1 is equipped with a transfer crucible 11, which can be installed on the furnace body 1 or removed as needed, increasing the convenience of use. A transfer furnace cover 2 is installed on the top of the transfer crucible 11, which provides additional protection when installed. A first laser rangefinder 21 is installed on the top of the transfer furnace cover 2. The first laser rangefinder 21 measures and monitors the liquid level of the molten liquid in the transfer crucible 11 through the measuring window on the transfer furnace cover 2.
[0030] The casting furnace body 4 is located on one side of the transfer ladle furnace body 1, and a casting furnace crucible 41 is detachably mounted on the casting furnace body 4. The casting furnace crucible 41 can be installed on the casting furnace body 4 and can also be disassembled as needed to increase the convenience of use. A casting furnace cover 5 is detachably mounted on the top of the casting furnace crucible 41. The casting furnace cover 5 increases the protective performance when installed. A second laser rangefinder 51 is installed on the top of the casting furnace cover 5. The liquid level height of the molten liquid in the casting furnace crucible 41 is measured and monitored by the second laser rangefinder 51.
[0031] The back suction pipe 3 is installed on the transfer ladle furnace cover 2 and the casting furnace cover 5. One end of the back suction pipe 3 extends into the interior of the transfer ladle crucible 11, and the other end of the back suction pipe 3 extends into the interior of the casting furnace crucible 41. The back suction pipe 3 can transfer the light alloy melt that has been fully precipitated in the transfer ladle crucible 11 to the casting furnace crucible 41.
[0032] The dustproof and heat-insulating components include two dustproof and heat-insulating covers 6 disposed outside the first laser rangefinder 21 and the second laser rangefinder 51, which can cover the first laser rangefinder 21 and the second laser rangefinder 51 respectively as needed, reducing the influence of dust and high temperature, and ensuring ranging accuracy. The bottom and front ends of the dustproof and heat-insulating covers 6 are open, and a transparent cover 61 is hinged to the front surface of the dustproof and heat-insulating covers 6. The transparent cover 61 allows easy observation of the data monitored by the first laser rangefinder 21 and the second laser rangefinder 51. The transparent cover 61 can be opened to improve the performance of the first laser rangefinder 21 and the second laser rangefinder 51. A protrusion 610 is disposed on the rear surface of the transparent cover 61 to realize the addition of the protrusion 610. A groove 62 is opened on the front surface of the dustproof and heat-insulating covers 6 for the protrusion 610 to be inserted. When the transparent cover 61 is closed, the protrusion 610 is inserted into the groove 62. It also includes symmetrically arranged grooves 62. In this embodiment, two fastening devices are provided on the inner side of the groove 62. The two fastening devices are respectively located on both sides of the groove 62, so that the fastening devices clamp the protrusion 610. The fastening devices include fasteners 8, which realizes the addition of fasteners 8; a fastening groove 81 opened at one end of fasteners 8, which realizes the opening of fastening groove 81; a spring 810 set at the bottom of the fastening groove 81, which is fixedly connected to the bottom of the fastening groove 81, thus realizing the addition of springs 810; and abutments 9 set at one end of springs 810 and extending to the outside of fasteners 8. The two abutments 9 can abut against the side surface of the protrusion 610. When the protrusion 610 is inserted into the groove 62, the protrusion 610 squeezes the two abutments 9. After the abutments 9 are squeezed, they compress the spring 810. After the spring 810 is compressed and resets, it drives the two abutments 9 to abut against the protrusion 610, thereby increasing the closing performance of the transparent cover 61.
[0033] In this embodiment, preferably, it also includes convex pieces 91 symmetrically arranged on the abutment block 9, realizing the addition of convex pieces 91; a guide rod 910 arranged on one side of the convex piece 91, realizing the addition of guide rod 910; and a guide ring 811 arranged in the groove of the fastening groove 81. The guide ring 811 is arranged on the fastener 8, and the guide rod 910 passes through the guide ring 811. When the abutment block 9 moves, it drives the convex pieces 91 to move. When the convex pieces 91 move, it drives the guide rod 910 to move along the guide ring 811, increasing the smoothness of the movement of the abutment block 9.
[0034] In this embodiment, preferably, it also includes fastening ears 63 symmetrically arranged on the side surface of the dustproof and heat-insulating cover 6, thereby realizing the addition of fastening ears 63. The fastening ears 63 have fixing holes inside, and screws are provided on the transparent cover 61 at the positions corresponding to the fixing holes. The screws connect the fastening ears 63, thereby connecting the dustproof and heat-insulating cover 6 and the transparent cover 61, thereby realizing the stable installation of the dustproof and heat-insulating cover 6.
[0035] In this embodiment, preferably, a back suction pump 52 is also installed on the top of the furnace cover 5 of the casting furnace, and the back suction pump 52 is connected to the back suction pipe 3 through a pipe to ensure that the fully settled light alloy melt is transferred to the casting furnace crucible 41.
[0036] In this embodiment, preferably, an upper liquid level probe 53, a working liquid level probe 54, and a lower liquid level probe 55 are installed on the top of the furnace cover 5 of the casting furnace, and one end of each of the upper liquid level probe 53, the working liquid level probe 54, and the lower liquid level probe 55 extends into the interior of the casting furnace crucible 41. The upper liquid level probe 53, the working liquid level probe 54, and the lower liquid level probe 55 are used to precisely control the liquid level of the light alloy molten liquid in the casting furnace crucible 41, thereby realizing quantitative continuous casting operation.
[0037] In this embodiment, preferably, a pouring pump 56 is installed on the top of the furnace cover 5 of the casting furnace, thus adding a pouring pump 56. A pouring pipe 57 is also installed on the top of the furnace cover 5 of the casting furnace, thus adding a pouring pipe 57. One end of the pouring pipe 57 extends into the interior of the casting furnace crucible 41. A spout 570 is provided at one end of the pouring pipe 57. The pouring pump 56 and the pouring pipe 57 are connected by a pipeline. The pouring pump 56 can pump out the light alloy melt liquid in the casting furnace crucible 41. The light alloy melt that has been fully settled in the transfer ladle crucible 11 is transferred to the casting furnace crucible 41 and transported to the casting machine mold cavity through the spout 570 to complete the casting.
[0038] Example 2
[0039] Please see Figures 1-5 This is the second embodiment of the present invention, which is based on the previous embodiment, but differs in that:
[0040] It also includes a support rod 7 set on the top of the casting furnace body 4, which realizes the addition of the support rod 7. A support ring 71 is set on the top of the support rod 7 to support the casting pipe 57. By using the cooperation of the support rod 7 and the support ring 71, the support for the casting pipe 57 is increased.
[0041] The upper liquid level probe 53, the working liquid level probe 54, and the lower liquid level probe 55 are all provided with symmetrically distributed extension ears 10. The extension ears 10 are installed on the top of the furnace cover 5 of the casting furnace by screws, so that the upper liquid level probe 53, the working liquid level probe 54, and the lower liquid level probe 55 are installed firmly and can be disassembled and maintained as needed.
[0042] The working principle and usage process of this utility model are as follows: A magnesium alloy ingot with selected composition is fully melted in a large furnace. The molten magnesium alloy at 670℃-750℃ is then transferred to a transfer ladle crucible 11. The back suction pump 52 and the back suction pipe 3 work together to transfer the light alloy melt that has been fully settled in the transfer ladle crucible 11 to the casting furnace crucible 41. The liquid level of the light alloy melt in the casting furnace crucible 41 is precisely controlled by the upper liquid level probe 53, the working liquid level probe 54, and the lower liquid level probe 55. The casting pump 56 can pump out the light alloy melt in the casting furnace crucible 41 and transport it to the casting machine mold cavity through the sprue 570 to complete the casting.
[0043] Although embodiments of the present invention have been shown and described in detail above, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A reverse suction liquid-converting dustproof and heat-insulating device, characterized in that: include A liquid transfer furnace body (1) is provided with a liquid transfer crucible (11) which is detachably mounted on the liquid transfer furnace body (1), and a first laser rangefinder (21) is installed on the top of the liquid transfer crucible (11). The casting furnace body (4) is located on one side of the liquid transfer furnace body (1), and a casting furnace crucible (41) is installed on the casting furnace body (4). A second laser rangefinder (51) is installed on the top of the casting furnace crucible (41). Multiple dustproof and heat-insulating components are provided, and the multiple dustproof and heat-insulating components are respectively provided on the first laser rangefinder (21) and the second laser rangefinder (51). The dustproof and heat-insulating components include a dustproof and heat-insulating cover (6) and a transparent cover (61). The dustproof and heat-insulating cover (6) is provided on the outside of the first laser rangefinder (21) and the second laser rangefinder (51).
2. The back-suction liquid-converting dustproof and heat-insulating device according to claim 1, characterized in that: The transparent cover (61) has a protrusion (610) on its rear surface, and the dustproof and heat-insulating cover (6) has a groove (62) on its front surface corresponding to the position of the protrusion (610).
3. The back-suction liquid-converting dustproof and heat-insulating device according to claim 2, characterized in that: A fastening device is provided in the groove, the fastening device includes fasteners (8), and there are two fasteners (8). The two fasteners (8) are symmetrically arranged in the groove (62), so that the protrusion (610) is clamped by the two fasteners (8).
4. The back-suction liquid-converting dustproof and heat-insulating device according to claim 3, characterized in that: The fastening device also includes a fastening groove (81) opened at one end of the fastener (8). A spring (810) and a stop block (9) are provided in the fastening groove (81). One end of the spring (810) is fixed to the bottom of the fastening groove (81), and the other end is connected to the stop block (9). The stop block (9) abuts against the side surface of the protrusion (610).
5. The back-suction liquid-converting dustproof and heat-insulating device according to claim 4, characterized in that: The fastening device also includes convex pieces (91) symmetrically arranged on the abutment (9), the convex pieces (91) being located on both sides of the abutment (9), a guide rod (910) being provided on one side of the convex piece (91), and a guide ring (811) being provided at the opening of the fastening groove (81), the guide ring (811) being provided on the fastener (8), and the guide rod (910) passing through the guide ring (811).
6. The back-suction liquid-converting dustproof and heat-insulating device according to claim 2, characterized in that: The side surface of the dustproof and heat insulation cover (6) is provided with fastening ears, and the fastening ears are provided with fixing holes. The transparent cover (61) is provided with screws corresponding to the fixing holes, and the screws are connected to the fastening ears (63).
7. The back-suction liquid-converting dustproof and heat-insulating device according to claim 6, characterized in that: The top of the casting furnace body (4) is provided with a casting furnace cover (5), and the dustproof and heat-insulating component is located on the casting furnace cover (5).
8. The back-suction liquid-converting dustproof and heat-insulating device according to claim 7, characterized in that: It also includes a back suction pipe (3) and a back suction pump (52). One end of the back suction pipe (3) extends into the interior of the transfer crucible (11) and the other end extends into the interior of the casting furnace crucible (41). The back suction pipe (3) drives the molten liquid to transfer through the back suction pump (52) at the top of the casting furnace cover (5). The back suction pump (52) is connected to the back suction pipe (3).
9. The back-suction liquid-converting dustproof and heat-insulating device according to claim 8, characterized in that: The top of the casting furnace cover (5) is also equipped with an upper liquid level probe (53), a working liquid level probe (54) and a lower liquid level probe (55). One end of the liquid level probe extends into the casting furnace crucible (41), and the upper liquid level probe (53), the working liquid level probe (54) and the lower liquid level probe (55) are detachably fixed to the casting furnace cover (5) by extension ears (10) and screws.
10. The back-suction liquid-converting dustproof and heat-insulating device according to claim 7, characterized in that: Also includes: Support rod (7), which is vertically installed on the top of the casting furnace body (4); Support ring (71), the support ring (71) is fixed to the top of the support rod (7), the support ring (71) is used to support the casting pipe (57). The casting pipe (57) is installed on the top of the furnace cover (5) of the casting furnace, and one end of the casting pipe (57) extends into the interior of the casting furnace crucible (41).