Molten liquid injection device for casting and forging

Abstract

The utility model relates to the technical field of casting and forging equipment, in particular to a melt injection device for casting and forging, which comprises a blanking barrel and a blanking pipe, lifting lugs are fixedly arranged on the outer side of the blanking barrel, and the blanking pipe is fixedly arranged at the bottom of the blanking barrel. The blocking piece is arranged in the middle of the discharging pipe and can control opening and closing of the discharging pipe; the guide hopper is slidably arranged on the outer side of the discharging barrel; the filter screen is arranged in the blanking barrel and is used for filtering impurities in the melt; according to the melt injection device for casting and forging, in the pouring process, the discharging barrel can be moved to the position above a mold in a hoisting mode, then the guiding hopper is connected with a mold guide pipe for pre-positioning, in the pouring process, through cooperation of the filter screen and the scraping plate, the discharging barrel can be moved to the position above the mold, and the mold guide pipe is connected with the discharging barrel in a hoisting mode; impurities cannot be doped into the injected solution, and the casting and forging quality is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of casting and forging equipment, and specifically relates to a molten liquid injection device for casting and forging. Background Art

[0002] In the casting and forging process, the molten liquid injection link is a key step to ensure the quality of castings and safe production. The currently widely used molten liquid injection method is to directly pour the molten liquid from directly above the mold conduit through a long-handled spoon. Although this method is simple and direct, it has significant drawbacks.

[0003] Firstly, the molten liquid often carries impurities such as oxides and slag during the melting process. Since these impurities have a relatively low specific gravity, they are easily floating on the surface of the molten liquid. When using the traditional pouring method, these impurities are easily flowed into the mold conduit along with the molten liquid, thereby contaminating the molten liquid and resulting in inclusions inside the final casting, seriously affecting the quality and performance of the casting.

[0004] Secondly, the problem of molten liquid splashing during the pouring process cannot be ignored. Once the high-temperature molten liquid splashes out, it may not only damage the surrounding equipment and environment, but also pose a direct threat to the safety of the operating workers, increasing the safety risks during the production process. Therefore, we propose a molten liquid injection device for casting and forging. Content of the Utility Model

[0005] To solve the above technical problems, the embodiment of the present application provides a molten liquid injection device for casting and forging, including a blanking bucket, and a lifting lug is fixedly arranged on the outer side of the blanking bucket. The device further includes:

[0006] A blanking pipe, fixedly arranged at the bottom of the blanking bucket;

[0007] A blocking member, arranged in the middle of the blanking pipe, capable of controlling the conduction and closing of the blanking pipe;

[0008] A guiding hopper, slidably arranged on the outer side of the blanking bucket;

[0009] A filter screen, arranged inside the blanking bucket, used for filtering impurities in the molten liquid;

[0010] A scraper, rotatably arranged on the surface of the filter screen, capable of scraping impurities on the surface of the filter screen.

[0011] In some embodiments, a movable ring is movably arranged on the outer side of the blanking bucket. Both sides of the top of the blanking bucket are fixedly provided with side plates. A vertical rod is arranged on the movable ring and movably penetrates through the side plates. A return spring is arranged on the outer side of the vertical rod, and both ends of the return spring are fixedly connected to the side plate and the movable ring respectively. A connecting rod connected to the movable ring is fixedly arranged on the outer side of the guiding hopper.

[0012] In some embodiments, the plugging member includes a sleeve fixedly arranged in the middle of the blanking pipe. A plugging plate is slidably arranged in the sleeve, and a through hole is formed in the plugging plate. When the plugging plate moves to make the through hole coincide with the blanking pipe, the molten liquid can flow out from the blanking pipe at this time.

[0013] In some embodiments, the length of the plugging plate is greater than the length of the sleeve, and the length difference between the plugging plate and the sleeve is the diameter of the through hole.

[0014] In some embodiments, the filter screen is of a conical structure.

[0015] In some embodiments, a rotating shaft is rotatably arranged in the blanking bucket. A plurality of scraping plates are fixedly arranged at the bottom of the rotating shaft. The bottoms of the plurality of scraping plates are all attached to the top surface of the filter screen. When the scraping plates rotate, they can drive the impurities on the filter screen to move. A cross bar is fixedly arranged at the top of the rotating shaft, and the end of the cross bar is slidably arranged on the top of the blanking bucket.

[0016] In some embodiments, a fixed sleeve is fixedly arranged on the outer side of the blanking bucket. A top rod is slidably arranged in the fixed sleeve. The top rod and the fixed sleeve are in a damping connection. One end of the top rod abuts against the cross bar, and a fixed block is fixedly arranged at the other end of the top rod. A support spring is arranged on the fixed block. The end of the support spring is connected with a slider. The slider is slidably arranged on the outer side of the blanking bucket. An inclined plate is fixedly arranged on the movable ring. When the inclined plate abuts against the slider, the inclined plate can squeeze the slider to move along the outer contour of the blanking bucket.

[0017] The utility model at least has the following beneficial effects:

[0018] 1. Flexibility and convenience: Through the arrangement of the lifting lugs, the blanking bucket can be conveniently hoisted and moved, improving the flexibility and convenience in the operation process;

[0019] 2. Impurity filtration: The arrangement of the filter screen effectively filters the impurities in the molten liquid, improving the quality and purity of the molten liquid, which is beneficial to the quality of subsequent casting and forging products. Moreover, the filter screen is of a conical structure, which helps to guide the impurities to the outside of the filter screen, facilitating the centralized treatment and cleaning of the impurities, and at the same time not affecting the passage of the molten liquid;

[0020] 3. Impurity cleaning: The introduction of the scraping plates realizes the scraping of the impurities on the surface of the filter screen, enabling the molten liquid to flow smoothly during pouring and improving the work efficiency;

[0021] 4. Innovation in the driving mechanism: Through the combined design of the inclined plate, slider, top rod and support spring, the automatic driving of the scraping plates is realized. This innovative mechanism not only reduces the dependence on external power sources but also improves the integration and automation level of the equipment. Description of the Drawings

[0022] Figure 1 This is a schematic diagram of the overall structure of the present utility model;

[0023] Figure 2 This is a schematic diagram of the side view structure of the present utility model;

[0024] Figure 3 This is a schematic diagram of the structure of the plugging member of the present utility model;

[0025] Figure 4 This is a schematic diagram of the sectional view structure of the blanking barrel of the present utility model;

[0026] Figure 5 This is a schematic diagram of the filter screen structure of the present utility model;

[0027] Figure 6 This is a schematic diagram of the overall structure of the second embodiment of the present utility model;

[0028] Figure 7 For the present utility model Figure 7 Schematic diagram of the partial structure;

[0029] Figure 8 This is a schematic diagram of the structure at the ejector rod of the present utility model.

[0030] In the figure: 1 - blanking barrel; 2 - blanking pipe; 3 - plugging member; 31 - sleeve; 32 - plugging plate; 4 - guiding hopper; 5 - filter screen; 6 - scraping plate; 7 - movable ring; 8 - side plate; 9 - vertical rod; 10 - return spring; 11 - connecting rod; 12 - rotating shaft; 13 - cross bar; 14 - fixed sleeve; 15 - ejector rod; 16 - fixed block; 17 - supporting spring; 18 - slider; 19 - inclined plate. Specific embodiments

[0031] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0032] Embodiment 1:

[0033] Please refer to Figures 1-5, the present utility model provides a technical solution: a molten liquid injection device for casting and forging, including a blanking barrel 1, with lifting lugs fixedly arranged on the outer side of the blanking barrel 1. It also includes a blanking pipe 2 fixedly arranged at the bottom of the blanking barrel 1. A blocking member 3 is arranged in the middle of the blanking pipe 2, which can control the conduction and closing of the blanking pipe 2. A guiding hopper 4 is arranged at the bottom of the blanking barrel 1, and a filter screen 5 is arranged inside the blanking barrel 1 to filter impurities in the molten liquid. A sliding plate is rotatably arranged on the surface of the filter screen 5, which can drive the impurities on the surface of the filter screen 5 to move during rotation, thus not affecting the injection of the molten liquid:

[0034] An activity ring 7 is movably arranged on the outer side of the blanking barrel 1. Side plates 8 are fixedly arranged on both sides of the top of the blanking barrel 1. A vertical rod 9 movably penetrating the side plates 8 is arranged on the activity ring 7. A return spring 10 is arranged on the outer side of the vertical rod 9, and both ends of the return spring 10 are fixedly connected to the side plates 8 and the activity ring 7 respectively. A connecting rod 11 connected to the activity ring 7 is fixedly arranged on the outer side of the guiding hopper 4;

[0035] When pouring the molten liquid, the blanking barrel 1 can be hoisted and moved by a hoisting device. In this embodiment, an electric hoist can be used as the hoisting device. After hoisting the blanking barrel 1 above the mold, first, the guiding hopper 4 enters the conduit of the mold first. At this time, the blanking barrel 1 is positioned, and then the blanking barrel 1 is slowly lowered. Under the action of the self-weight of the blanking barrel 1, the return spring 10 is compressed, and the bottom end of the blanking pipe 2 is inserted into the guiding hopper 4.

[0036] The blocking member 3 includes a sleeve 31 fixedly arranged in the middle of the blanking pipe 2. A blocking plate 32 is slidably arranged in the sleeve 31. A through hole is opened on the blocking plate 32. When the blocking plate 32 moves to make the through hole coincide with the blanking pipe 2, at this time, the molten liquid can flow out from the blanking pipe 2. After the position of the blanking barrel 1 is set, the staff can use a hammer to strike the blocking plate 32. The movement of the blocking plate 32 drives the through hole to align with the blanking pipe 2. At this time, the molten liquid flows out and enters the mold.

[0037] The length of the blocking plate 32 is greater than the length of the sleeve 31, and the length difference between the blocking plate 32 and the sleeve 31 is the diameter of the through hole. Such a setting makes the end of the blocking plate 32 just move inside the sleeve 31, and at this time, the through hole just aligns with the blanking pipe 2. Similarly, when the blocking plate 32 is moved again, the blocking plate 32 can also close the blanking pipe 2 again.

[0038] The filter screen 5 is of a conical structure, which can prevent impurities from accumulating on the surface of the filter screen 5 and affecting the injection of the molten liquid.

[0039] A rotating shaft 12 is rotatably arranged in the blanking bucket 1. A plurality of scraping plates 6 are fixedly arranged at the bottom of the rotating shaft 12. The bottoms of the plurality of scraping plates 6 are all in contact with the top surface of the filter screen 5. When the scraping plates 6 rotate, they can drive the impurities on the filter screen 5 to move. A cross bar 13 is fixedly arranged at the top of the rotating shaft 12. The end of the cross bar 13 is slidably arranged on the top of the blanking bucket 1. When the cross bar 13 moves along the outer contour of the blanking bucket 1, the cross bar 13 drives the rotating shaft 12 to rotate, and the rotating shaft 12 drives the scraping plates 6 to move on the surface of the filter screen 5, so that an impurity-free area can be cleared on the surface of the filter screen 5 to ensure that the molten liquid flows from the filter screen 5 into the blanking pipe 2.

[0040] Embodiment 2:

[0041] Please refer to Figures 6-8 , the main structures of Embodiment 2 and Embodiment 1 are the same. The difference is that a fixed sleeve 14 is fixedly arranged on the outside of the blanking bucket 1. A top rod 15 is slidably arranged in the fixed sleeve 14. The top rod 15 and the fixed sleeve 14 are in a damping connection. One end of the top rod 15 abuts against the cross bar 13, and a fixed block 16 is fixedly arranged at the other end of the top rod 15. A support spring 17 is arranged on the fixed block 16. The end of the support spring 17 is connected with a slider 18. The slider 18 is slidably arranged on the outside of the blanking bucket 1. An inclined plate 19 is fixedly arranged on the movable ring 7. When the inclined plate 19 abuts against the slider 18, the inclined plate 19 can squeeze the slider 18 to move it along the outer contour of the blanking bucket 1.

[0042] When the blanking bucket 1 is lowered, under the action of its own weight, the blanking bucket 1 moves relative to the movable ring 7. At this time, the inclined plate 19 squeezes the slider 18 to move it, and the slider 18 squeezes the support spring 17 to compress it. At the same time, the fixed block 16 at the other end of the support spring 17 will be subjected to the elastic force of the support spring 17. And because the top rod 15 and the fixed sleeve 14 are in a damping connection, during the injection of the molten liquid, the top rod 15 will move slowly, drive the cross bar 13 to move, and then drive the scraping plates 6 to rotate.

[0043] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A molten metal injection device for casting and forging, comprising a feed barrel (1), the outer side of which is fixedly provided with a lifting lug, characterized in that: Also included are: A feeding pipe (2) is fixedly arranged on the bottom of the feeding barrel (1); A blocking member (3) is arranged in the middle of the feeding pipe (2) and is capable of controlling the opening and closing of the feeding pipe (2); A guide hopper (4) is slidably arranged outside the lower material barrel (1); A filter (5) is arranged in the discharge barrel (1) and is used to filter impurities in the melt; The scraper (6) is rotatably arranged on the surface of the filter screen (5) and can scrape away impurities on the surface of the filter screen (5).

2. The molten metal injection device for casting and forging according to claim 1, characterized in that: A movable ring (7) is movably provided on the outer side of the discharge barrel (1), and side plates (8) are fixedly provided on both sides of the top of the discharge barrel (1). A vertical rod (9) movably penetrating the side plates (8) is provided on the movable ring (7), and a return spring (10) is provided on the outer side of the vertical rod (9). The two ends of the return spring (10) are respectively fixedly connected to the side plates (8) and the movable ring (7), and a connecting rod (11) connected to the movable ring (7) is fixedly provided on the outer side of the guide hopper (4).

3. The molten metal injection device for casting and forging according to claim 2, characterized in that: The blocking member (3) comprises a sleeve (31) fixedly arranged in the middle of the feed tube (2), a blocking plate (32) being slidably arranged in the sleeve (31), and a through hole being opened in the blocking plate (32). When the blocking plate (32) moves until the through hole overlaps with the feed tube (2), the molten metal can flow out of the feed tube (2).

4. The molten metal injection device for casting and forging according to claim 3, characterized in that: The length of the blocking plate (32) is greater than the length of the sleeve (31), and the length difference between the blocking plate (32) and the sleeve (31) is the diameter of the through hole.

5. The molten metal injection device for casting and forging according to claim 4, characterized in that: The filter screen (5) is a conical structure.

6. The molten metal injection device for casting and forging according to claim 5, characterized in that: A rotating shaft (12) is rotatably arranged inside the discharge barrel (1), and a plurality of scrapers (6) are fixedly arranged at the bottom of the rotating shaft (12). The bottoms of the plurality of scrapers (6) are in contact with the top surface of the filter screen (5). When the scrapers (6) rotate, they can drive the impurities on the filter screen (5) to move. A cross bar (13) is fixedly arranged at the top of the rotating shaft (12), and the end of the cross bar (13) is slidably arranged on the top of the discharge barrel (1).

7. The molten metal injection device for casting and forging according to claim 6, characterized in that: A fixed sleeve (14) is fixedly provided on the outside of the discharge barrel (1), and a push rod (15) is slidably provided in the fixed sleeve (14). The push rod (15) and the fixed sleeve (14) are connected in a damping manner. One end of the push rod (15) abuts against the cross bar (13), and a fixed block (16) is fixedly provided on the other end of the push rod (15). A support spring (17) is provided on the fixed block (16), and a slider (18) is connected to the end of the support spring (17). The slider (18) is slidably provided on the outside of the discharge barrel (1), and an inclined plate (19) is fixedly provided on the movable ring (7). When the inclined plate (19) abuts against the slider (18), the inclined plate (19) can squeeze the slider (18) to make it move along the outer contour of the discharge barrel (1).

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