Soup feeding ladle cleaning device of aluminum alloy die-casting machine

Abstract

The invention relates to the technical field of metal die-casting forming, in particular to a feeding ladle cleaning device of an aluminum alloy die-casting machine, which comprises a mechanical arm, a feeding ladle and an aluminum alloy barrel, and further comprises a scraper arranged on the side of the feeding ladle, the mechanical arm is provided with a horizontal guide rail, the guide rail is provided with a sliding block, the sliding block is connected with the scraper, and the aluminum alloy barrel is connected with the sliding block. The mechanical arm is provided with a sliding rod, a supporting cylinder, an abutting block, a transmission part and a supporting block, the supporting cylinder is vertically arranged on the mechanical arm, the sliding rod is coaxially connected with the supporting cylinder in a sliding mode, the upper end of the sliding rod is connected with the sliding block through the transmission part, and the transmission part drives the sliding block to move away from the soup feeding spoon when the sliding rod moves upwards; the abutting block is connected with the lower end of the sliding rod, the supporting block is arranged on the inner side wall of the aluminum alloy material barrel, and when the sliding rod moves downwards, the abutting block abuts against the supporting block. The automatic scraping device has the effect of automatically scraping molten aluminum on the outer wall of the feeding ladle.

Description

Technical Field

[0001] This invention relates to the field of metal die casting technology, specifically to a cleaning device for a ladle in an aluminum alloy die casting machine. Background Technology

[0002] Driven by the trend of lightweighting in automobiles, aluminum alloy parts are being used more and more widely, and die casting is its core forming process. Traditional aluminum alloy die casting production lines usually include multiple independent or semi-automated processes such as melting, pouring (scooping out molten aluminum), die casting, demolding, and cooling.

[0003] The existing technology has the following main drawbacks: The problem of molten aluminum adhesion during the ladle-pouring process: After scooping high-temperature molten aluminum alloy from the furnace, a layer of molten metal often adheres to the outer wall of the ladle. This layer solidifies into "aluminum nodules" during transfer, not only wasting material but also potentially dripping onto equipment or the ground, polluting the environment, posing safety hazards, and even affecting the quantitative accuracy of the molten alloy in the die-casting machine's barrel. Currently, this is mostly done manually by observing and scraping it off with simple tools, which is inefficient, labor-intensive, and poses safety risks. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of existing technologies and provide a cleaning device for the ladle of an aluminum alloy die-casting machine. This system, through innovative design, automatically scrapes off molten aluminum from the outer wall of the ladle.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A cleaning device for a ladle used in an aluminum alloy die-casting machine includes a robotic arm, a ladle, and an aluminum alloy material container. It also includes a scraper located on the side of the ladle. The robotic arm has a horizontal guide rail with a slider connected to the scraper. The robotic arm includes a sliding rod, a support cylinder, a clamping block, a transmission component, and a support block. The support cylinder is vertically mounted on the robotic arm. The sliding rod is coaxially slidably connected to the support cylinder. The upper end of the sliding rod is connected to the slider via the transmission component. When the sliding rod moves upward, the transmission component moves the slider away from the ladle. The clamping block is connected to the lower end of the sliding rod. The support block is located on the inner wall of the aluminum alloy material container. When the sliding rod moves downward, the clamping block abuts against the support block.

[0006] By adopting the above technical solution, when the robotic arm drives the ladle to scoop molten metal into the aluminum alloy bucket, it drives the support cylinder and sliding rod to move downwards. The clamping block at the lower end of the sliding rod abuts against the support block, limiting the range of movement of the sliding rod. This causes the sliding rod to drive the slider away from the ladle through the transmission component, separating the scraper from the ladle. After scooping the molten metal, the mechanical wall drives the ladle and sliding cylinder to move upwards. The sliding rod moves downwards under the action of gravity and drives the scraper to move towards the ladle through the transmission component, causing the scraper to abut against the ladle, thereby removing the molten metal adhering to the outer wall of the ladle. This structure completes the cleaning of the outer wall of the ladle while scooping the molten metal, resulting in high efficiency.

[0007] Optionally, the transmission component includes a connecting rope, a first fixed pulley, a second fixed pulley, and a first spring. The first fixed pulley is located on the outer wall of the support cylinder, and the second fixed pulley is located on the upper end of the guide rail. One end of the connecting rope is connected to the upper end of the sliding rod, and the other end of the connecting rope is connected to the slider. The connecting rope is arranged to abut against the outer edge of the first fixed pulley and the lower edge of the second fixed pulley in sequence. The first spring is connected to the slider and is used to drive the slider to move towards the ladle.

[0008] By adopting the above technical solution, when the sliding rod moves upward, it drives the connecting rope to move upward. The connecting rope, guided by the first and second fixed pulleys, drives the slider away from the ladle, so that the knife separates from the ladle. When the sliding rod moves downward, it drives the connecting rope to move downward, so that the connecting rope no longer pulls the knife. Under the action of the spring, the knife moves toward the ladle, thereby completing the cleaning of the outer wall of the ladle.

[0009] Optionally, the guide rail is provided with a locking element, which includes a locking block and a locking rod. The locking block is slidably connected to the guide rail in the vertical direction, and the locking rod is horizontally connected to the slider. The lower end of the locking block is set with an incline, and the lower end of the locking block is set to gradually descend away from the first spring. The position of the locking rod in the vertical direction is set below the highest point of the incline at the lower end of the locking block.

[0010] By adopting the above technical solution, when the slider moves toward the ladle, it drives the locking rod to move. When the locking rod moves, it abuts against the locking block and drives the locking block to move upward. When the locking block moves upward to a certain extent, it locks against the slider, thereby achieving the function of limiting the slider.

[0011] Optionally, a locking plate is detachably connected to the upper end of the guide rail, and the locking plate is connected to the locking block by a locking spring.

[0012] Optionally, the scraper includes a horizontal blade and a vertical connecting plate, and the scraper is provided with a flow channel, which is connected to a receiving trough.

[0013] By adopting the above technical solution, the molten metal scraped off by the scraper flows into the collection tank through the diversion channel for collection, reducing waste.

[0014] Optionally, the receiving trough is rotatably connected to the slider, one end of the receiving trough is connected to the outer wall of the support cylinder through a connecting rod, and both ends of the connecting rod are rotatably connected to the receiving trough and the support cylinder respectively. A gravity ball is provided at the lower end of the receiving trough, and the gravity ball and the connecting rod are located at both ends of the center of gravity of the receiving trough.

[0015] By adopting the above technical solution, when the robotic arm drives the ladle to scoop molten metal from the aluminum alloy bucket, the support cylinder moves downward and drives the collection trough to flip, so that the molten metal in the collection trough flows back into the aluminum alloy bucket, completing the recycling of molten metal. When the robotic arm drives the support cylinder to move upward, the collection trough returns to its original position under the action of gravity, and can continue to collect molten metal.

[0016] Optionally, the connecting rod includes two sleeves that are slidably connected to each other, and a third spring is provided inside the sleeves. The third spring is used to drive the two sleeves to move relative to each other so that the total length of the connecting rod is shortened.

[0017] By adopting the above technical solution, when the support cylinder moves downward, it generates a pulling force on the connecting rod, causing the total length of the connecting rod to increase. When the support cylinder moves upward, the total length of the connecting rod decreases under the action of the third spring, thereby reducing the occurrence of jamming.

[0018] Optionally, a horizontal support plate is coaxially connected inside the support cylinder, the support plate is connected to a sliding rod, and a second spring is provided inside the support cylinder to drive the support plate to move downward.

[0019] By adopting the above technical solution, the sliding rod is driven to move downward by the second spring, so that when the robotic arm moves upward, the sliding rod can move downward more easily than in traditional equipment that relies solely on its own weight, making the scraper clean the outer wall of the ladle more thoroughly.

[0020] Optionally, the aluminum alloy bucket is rotatably connected to a disc, and the outer ring of the disc is provided with an impact rod. When the ladle moves, the guide rail impacts and drives the impact rod to rotate. The disc is provided with a torsion spring for driving the impact rod to return to its original position. The disc is provided with a transmission rod. The aluminum alloy bucket is provided with a feeding pipe. The feeding pipe is provided with a sealing plate for controlling the opening and closing of the feeding pipe. The sealing plate is rotatably connected to the feeding pipe. When the disc rotates, the transmission rod abuts against the upper end of the sealing plate and drives the sealing plate to rotate. The lower end of the feeding pipe is provided with a limiting block. The sealing plate and the limiting block are arranged sequentially along the feeding direction. The lower ends of the sealing plate and the limiting block are locked together.

[0021] By adopting the above technical solution, when the robotic arm drives the ladle to pour the liquid into the mold, the guide rail hits the impact rod and drives the disc to rotate. When the disc rotates, it drives the transmission rod to move and abut against the upper end of the sealing plate, causing the sealing plate to rotate. When the sealing plate rotates, it no longer closes the feed pipe, allowing the molten metal to flow from the feed pipe into the aluminum alloy barrel. This keeps the molten metal in the aluminum alloy barrel at a relatively high level, enabling the equipment to operate continuously.

[0022] The beneficial effects of this invention are as follows: Intelligent cleaning, safe and environmentally friendly: Utilizing the buoyancy of molten aluminum as a power source, the scraper automatically removes molten aluminum adhering to the outer wall of the ladle, requiring no additional energy and thus saving energy and protecting the environment. The design of the collection trough prevents molten aluminum from dripping, keeping the working environment clean, eliminating safety hazards, and facilitating waste recycling. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the structure of a ladle cleaning device for an aluminum alloy die-casting machine according to an embodiment of this application.

[0024] Figure 2 yes Figure 1 An enlarged view of the structure inside the circle.

[0025] Figure 3 This is a cross-sectional view of the support cylinder of a ladle cleaning device for an aluminum alloy die-casting machine according to an embodiment of this application.

[0026] Figure 4 This is a cross-sectional view of the connecting rod of a ladle cleaning device for an aluminum alloy die-casting machine according to an embodiment of this application.

[0027] Figure 5 This is a cross-sectional view of the guide rail of a spoon cleaning device for an aluminum alloy die-casting machine according to an embodiment of this application.

[0028] Figure 6 This is a cross-sectional view of the feed pipe of a ladle cleaning device for an aluminum alloy die-casting machine according to an embodiment of this application.

[0029] Reference numerals: 1. Robotic arm; 11. Guide rail; 12. Slider; 13. First spring; 2. Ladle; 3. Scraper; 31. Knife; 311. Drainage channel; 32. Connecting plate; 4. Aluminum alloy bucket; 41. Support block; 5. Sliding rod; 51. Pressing block; 6. Support cylinder; 61. Support plate; 62. Second spring; 71. Connecting rope; 72. First fixed pulley; 73. Second fixed pulley; 8. Receiving trough; 81. Connecting rod; 82. Gravity ball; 811. Sleeve; 812. Third spring; 91. Locking block; 92. Locking rod; 93. Locking spring; 94. Locking plate; 10. Disc; 101. Impact rod; 102. Transmission rod; 42. Feed pipe; 43. Sealing plate; 44. Limiting block. Detailed Implementation

[0030] This embodiment provides a cleaning device for a ladle in an aluminum alloy die-casting machine. As part of an automated die-casting system, it aims to solve the problem of molten aluminum adhering to the outer wall of the ladle. For ease of understanding, this embodiment will be described in conjunction with the accompanying drawings. It should be understood that the shapes, relative sizes, and positional relationships of the components in the drawings are merely illustrative and should not be construed as limiting the invention.

[0031] Reference Figure 1 as well as Figure 2 The ladle cleaning device mainly includes a robotic arm 1, a ladle 2, a scraper 3, and a precision mechanical linkage system. The robotic arm 1 is a multi-axis industrial robot arm, with the ladle 2 fixedly mounted on its end effector. The ladle 2 is used to scoop high-temperature molten aluminum alloy (hereinafter referred to as molten aluminum) from an aluminum alloy container 4. The aluminum alloy container 4 is typically an insulated crucible containing molten aluminum.

[0032] Reference Figure 1 as well as Figure 2 The scraper 3 is positioned to the side of the ladle 2. The scraper 3 includes a nearly horizontal blade 31 and a vertical connecting plate 32. The blade edge shape of the blade 31 is adapted to the arc-shaped contour of the outer wall of the ladle 2 to ensure a good scraping effect. A flow channel 321 is provided on the blade 31 from top to bottom to guide the flow of the scraped molten aluminum.

[0033] Reference Figure 1 as well as Figure 2 Two horizontal guide rails 11 are fixedly mounted on the robotic arm 1. A slider 12 is slidably fitted on the guide rail 11, and a scraper 3 is fixed to the slider 12, so that the scraper 3 can move horizontally back and forth along the guide rail 11 with the slider 12, thereby moving closer to or away from the outer wall of the ladle 2. A first spring 13 is provided on the side of the guide rail 11 away from the ladle. One end of the first spring 13 is fixed to the end of the guide rail 11, and the other end is connected to the slider 12. Its natural elastic force always attempts to push the slider 12 closer to the ladle 2.

[0034] Reference Figure 1 , Figure 2 as well as Figure 3 The core of this mechanical linkage system lies in the design of the sliding rod 5 and the transmission components. A support cylinder 6 is vertically fixed on the robotic arm 1. The support cylinder 6 is hollow inside, and a sliding rod 5 is coaxially arranged with the support cylinder 6 and can slide up and down along its inner wall. The lower end of the sliding rod 5 extends out of the support cylinder 6 and is connected to a clamping block 51. The upper end of the sliding rod 5 is connected to a slider 12 on the guide rail 11 through a set of transmission components.

[0035] Reference Figure 1 , Figure 2 as well as Figure 3The transmission components include a connecting rope 71, a first fixed pulley 72, and a second fixed pulley 73. The first fixed pulley 72 is mounted on the upper end of the outer wall of the support cylinder 6. The second fixed pulley 73 is mounted on the upper bracket of the guide rail 11. One end of the connecting rope 71 is tied to the top of the sliding rod 5, and the other end passes over the outer edge of the first fixed pulley 72, then down over the lower edge of the second fixed pulley 73, and finally connects to the slider 12. This winding method constitutes a pulley system. When the sliding rod 5 moves upward, it shortens the effective length of the connecting rope 71, thereby pulling the slider 12 against the tension of the first spring 13 through the guidance of the fixed pulleys, moving it away from the ladle 2. Conversely, when the sliding rod 5 moves downward, the connecting rope 71 slackens, the tension on the slider 12 disappears, and the slider 12, under the action of the first spring 13, drives the scraper 3 to move towards the ladle 2.

[0036] Reference Figure 1 , Figure 2 as well as Figure 3 To ensure the reliable downward movement of the sliding rod 5, an auxiliary mechanism is provided inside the support cylinder 6 in this embodiment. A horizontal support plate 61 is coaxially connected inside the support cylinder 6, and the support plate 61 is fixedly connected to the sliding rod 5. Above the support plate 61, a second spring 62 is also provided inside the support cylinder 6. The lower end of the second spring 62 abuts against the support plate 61 and the inner top wall of the support cylinder 6. The elastic force of the second spring 62 always pushes the support plate 61 downwards, but the purpose of this design is that when the support cylinder 6 moves upwards, the second spring 62 can assist the sliding rod 5 and its own weight by providing an additional downward thrust, ensuring that the sliding rod 5 can move downwards quickly and completely, thereby ensuring that the scraper 3's reset action is decisive and powerful.

[0037] Reference Figure 1 , Figure 2 as well as Figure 3 A support block 41 is fixedly installed on the inner wall of the aluminum alloy container 4. The position of the support block 41 is precisely calculated so that when the robotic arm 1 carries the ladle 2 down to a predetermined depth in the container 4 to scoop soup, the abutment block 51, which is fixed to the lower end of the sliding rod 5, can just make contact with the upper surface of the support block 41 and generate abutment.

[0038] The working principle of aluminum molten metal scraping: Initial state: The robotic arm 1 is in a high position, and the ladle 2 is above the aluminum alloy container 4. At this time, the sliding rod 5 is in the lower limit position under the action of the second spring 62 and its own weight, and the connecting rope 71 is slack. Under the tension of the first spring 13, the slider 12 and the scraper 3 are in the "ready" position close to the ladle 2.

[0039] Phase 1: The ladle 2 descends, plunging into the molten aluminum in the aluminum alloy container 4 to scoop the soup. Simultaneously, the support cylinder 6, fixed to the robotic arm 1, also descends. When it reaches a certain depth, the abutment block 51 at the lower end of the sliding rod 5 contacts the support block 41 on the inner wall of the container. Since the support block 41 is fixed, and the support cylinder 6 continues to descend with the robotic arm, the abutment block 51 is "held back" by the support block 41, causing the sliding rod 5 to move upwards relative to the descending support cylinder 6. This upward movement of the sliding rod 5, transmitted through the connecting rope 71 and pulley system (72, 73), overcomes the tension of the first spring 13, pulling the slider 12 away from the ladle 2. At this point, the scraper 3 is completely separated from the outer wall of the ladle 2, preventing interference between the ladle 2 and the scraper 3 during immersion and extraction of the molten aluminum, ensuring smooth and unobstructed scooping. The ladle 2 is then filled with molten aluminum.

[0040] Phase Two: Lifting and Automatic Scraping. After scooping the soup, robotic arm 1 begins to lift the ladle 2. Support cylinder 6 rises accordingly. Once support cylinder 6 begins to rise, the pressure between the clamping block 51 and support block 41 disappears. Under the force of the second spring 62 and its own weight, sliding rod 5 immediately moves downward relative to support cylinder 6. The downward movement of sliding rod 5 loosens connecting rope 71, releasing its tension on slider 12. Under the strong restoring force of the first spring 13, slider 12 quickly drives scraper 3 to move horizontally, pressing it tightly against the outer wall of the rising ladle 2.

[0041] The third stage: automatic scraping. When the robotic arm 1 pours out the molten aluminum from the ladle 2, it needs to flip the ladle 2. Because the scraper 3 is in close contact with the outer wall of the ladle 2, the sharp blade 31 completely scrapes off the molten aluminum adhering to the outer wall of the ladle 2 as it rotates. The scraped molten aluminum flows down along the drainage groove 321 on the connecting plate 32.

[0042] Reference Figure 1 , Figure 2 as well as Figure 4 To collect the scraped molten aluminum and prevent it from dripping and polluting the environment and causing waste, this embodiment includes a receiving trough 8. The receiving trough 8 is rotatably connected to the slider 12 via a rotating shaft, allowing the receiving trough 8 to rotate within a certain angle around the shaft. The lower outlet of the diversion channel 321 is directly opposite the inlet of the receiving trough 8, ensuring that the molten aluminum can flow into the trough.

[0043] Reference Figure 1 , Figure 2 as well as Figure 4The receiving trough 8 is connected to the outer wall of the support cylinder 6 via a telescopic connecting rod 81 at one end. The two ends of the connecting rod 81 are connected to the side wall of the receiving trough 8 and the outer wall of the support cylinder 6 respectively via hinges or pivots. A gravity ball 82 is suspended below the receiving trough 8 at the end away from the connecting rod 81. The hinge points of the gravity ball 82 and the connecting rod 81 are located on opposite sides of the center of gravity of the receiving trough 8. The connecting rod 81 consists of two nested sleeves 811, with a third spring 812 inside. The spring force of the third spring 812 attempts to bring the two sleeves closer together, shortening the total length of the connecting rod. This design gives the connecting rod 81 a certain telescopic buffering capacity. When the relative distance between the support cylinder 6 and the slider 12 changes (e.g., during the movement of the scraper 3 or during device linkage), the connecting rod 81 can adapt by telescopic extension, avoiding rigid interference and ensuring smooth operation of the mechanism.

[0044] The working principle of aluminum liquid collection and recycling process: Collection process: During the scraping stage, the scraped aluminum liquid flows into the collection trough 8. At this time, since the robotic arm 1 is in the lifting process, the support cylinder 6 is in a higher position. The traction force of the connecting rod 81 and the gravity ball 82 on the collection trough 8 keeps it in a horizontal position, which is convenient for collecting the aluminum liquid.

[0045] Recycling Process: As the next cycle begins and the robotic arm 1 descends again to scoop the molten aluminum, the support cylinder 6 descends accordingly. The support cylinder 6 applies a downward pulling force to the end of the receiving trough 8 furthest from the gravity ball 82 via the connecting rod 81. Simultaneously, since the receiving trough 8 is rotatably connected to the slider 12, under the pulling force, the receiving trough 8 flips around its connecting shaft, tilting its opening downwards. The molten aluminum collected in the receiving trough 8 is then poured back into the aluminum alloy bucket 4 below due to the flipping action, achieving automatic recycling of the waste aluminum and greatly reducing material loss.

[0046] Reference Figure 1 , Figure 2 as well as Figure 5 In order to maintain a stable contact pressure between the scraper 3 and the ladle 2 during the scraping process, and to reduce the damage to the scraper 3 and the ladle 2 caused by excessive thrust of the first spring 13, which would affect the scraping effect, a locking device is provided on the guide rail 11 in this embodiment.

[0047] Reference Figure 1 , Figure 2As shown in Figure 5, the locking mechanism includes a locking block 91 and a locking rod 92. The locking block 91 is slidably connected to the side of the guide rail 11 via a vertical groove, allowing it to move only up and down. The lower end of the locking block 91 is machined into a slope that gradually slopes downward away from the first spring 13. The locking rod 92 is horizontally fixed to the slider 12, and its position is set low, vertically below the initial position of the highest point of the lower slope of the locking block 91. A locking plate 94 is detachably connected to the upper end of the guide rail 11. The locking plate 94 is connected to the locking block 91 via a locking spring 93. By detaching and repositioning the locking plate 94 on the guide rail 11, the final locked position of the scraper 3 can be changed, thereby adapting to different sizes of soup ladles 2 and expanding the application range of this structure.

[0048] Locking process: When the scraping stage begins, as the slider 12 moves towards the ladle 2 under the action of the first spring 13, the locking rod 92 fixed on the slider 12 also moves horizontally. When the locking rod 92 contacts the inclined surface at the lower end of the locking block 91, it slides along the inclined surface, generating a component force perpendicular to the inclined surface. This component force pushes the locking block 91 upward along its vertical groove. When the locking block 91 moves upward, it limits the slider 12, thereby firmly locking the scraper 3 in the working position and ensuring the stability and thoroughness of the scraping process.

[0049] Unlocking process: When the soup-scooping stage begins, the sliding rod 5 is lifted, and as the connecting rope 71 forcefully pulls the slider 12 back, the locking rod 92 retracts along with the slider 12. Due to the sloped design at the lower end of the locking block 91, the retracting locking rod 92 easily pushes the locking block 91 upward from the lower side of the slope, thus smoothly sliding out of the blocking range of the locking block 91 and releasing the lock. The entire locking and unlocking process is fully automatic and requires no additional control.

[0050] Reference Figure 1 , Figure 2 as well as Figure 6 To achieve continuous automation of the die-casting process, this embodiment also includes an automatic material replenishment mechanism linked to the cleaning device. This mechanism uses the movement of the robotic arm 1 to trigger the replenishment action of the aluminum alloy hopper 4.

[0051] Above the side wall of the aluminum alloy barrel 4, a disc 10 is rotatably connected via a bearing. An impact rod 101 is radially fixed to the outer ring surface of the disc 10. On the movement path of the robotic arm 1 driving the ladle 2 from the barrel to the die-casting mold for pouring, the guide rail 11 can impact the impact rod 101. A torsion spring (not shown in the figure, conventional technology) is also installed on the rotating shaft of the disc 10. The preload of the torsion spring gives the disc 10 a tendency to return the impact rod 101 to its initial ready-to-trigger position. A transmission rod 102 is also fixed to the surface of the disc 10. A feed pipe 42 is connected to the side wall of the aluminum alloy barrel 4 for replenishing the barrel with molten aluminum. A rotatable sealing plate 43 is installed inside the feed pipe 42 to control the opening and closing of the pipe. The rotating shaft of the sealing plate 43 is horizontally positioned inside the wall of the feed pipe 42. A limiting block 44 is fixedly installed inside the lower end of the feed pipe 42. The sealing plate 43 and the limiting block 44 are arranged sequentially along the direction in which the molten aluminum flows into the feed tank. In the initial state, under the impact force of the molten aluminum, the lower edge of the sealing plate 43 forms a locking position with the limiting block 44, thereby reliably sealing the feed pipe 42 and preventing the molten aluminum from flowing into the aluminum alloy feed tank 4.

[0052] Linked material replenishment process: When the robotic arm 1, carrying a full ladle of molten aluminum, moves toward the mold for die casting, its guide rail 11 impacts the impact rod 101 on the disc 10 during its movement. The impact force causes the disc 10 to rotate at an angle, overcoming the resistance of the torsion spring. The rotation of the disc 10 drives the transmission rod 102 on it to move synchronously. During its movement, the transmission rod 102 contacts and pushes the upper edge of the sealing plate 43 inside the feed pipe 42. Under the thrust of the transmission rod 102, the sealing plate 43 rotates around its axis and opens. When the sealing plate 43 rotates to a certain angle, its lower end disengages from the limiting block 44, and the channel of the feed pipe 42 is opened. Molten aluminum from the external liquid supply system can then flow into the aluminum alloy tank 4, replenishing the molten aluminum consumed during scooping and maintaining a relatively stable liquid level in the tank.

[0053] When the robotic arm 1 returns after completing the pouring, the guide rail 11 separates from the impact rod 101, and the disc 10 rotates in the opposite direction to reset under the action of the torsion spring. The transmission rod 102 then moves away from the sealing plate 43. The sealing plate 43 loses its thrust and automatically falls back under the influence of gravity and the impact of the molten aluminum. Its lower end engages again with the limit block 44, closing the feed pipe 42 and stopping material replenishment. This cycle repeats, achieving automatic, intermittent material replenishment synchronized with the pouring rhythm, ensuring continuous production.

[0054] Through the above detailed description of the embodiments, the present invention demonstrates the following significant advantages of the spoon cleaning device and system: Fully automated intelligent cleaning: The core cleaning actions (scraper avoidance and scraping) are triggered entirely by the two essential production actions of "scooping" and "lifting" the ladle itself, achieved through sophisticated pure mechanical linkage. No additional sensors, controllers, or power sources are required; the structure is simple and reliable, with rapid response, and seamless integration into existing die-casting cycles, truly achieving "unmanned" automated cleaning.

[0055] Thorough and interference-free cleaning: The scraper can reliably stay away when scooping soup, ensuring smooth operation; when lifted, it can quickly and tightly fit and lock, with stable scraping force, ensuring that the aluminum liquid adhering to the outer wall is completely removed, effectively preventing the formation of "aluminum nodules".

[0056] Safety, environmental protection, and material conservation: The scraped molten aluminum is effectively collected in the collection tank, avoiding potential burns and fire hazards caused by dripping high-temperature molten aluminum, and keeping the equipment and floor clean. The collected molten aluminum is automatically recycled to the material bin in the next cycle, realizing closed-loop utilization of waste materials and significantly reducing the loss of aluminum alloy materials.

[0057] Functional Integration and Expansion: The device not only completes the core cleaning task but also, through mechanical linkage, develops extended functions such as automatic aluminum melt recovery and automatic material replenishment. In particular, the replenishment mechanism cleverly utilizes the movement of the robotic arm as a trigger signal, achieving coordination between production and replenishment, further enhancing the automation level and operational efficiency of the entire die-casting unit.

[0058] Robust structure and easy maintenance: The device mainly adopts a mechanical structure with robust and durable components, capable of withstanding the harsh environment of high temperature and dust in the die-casting workshop. The mechanism has a clear operating principle, few points of daily maintenance, and low maintenance costs.

[0059] In summary, the spoon cleaning device provided by the embodiments of the present invention solves the industry problem of aluminum adhesion to the outer wall of spoons in aluminum alloy die casting in a highly intelligent and automated manner in an economical, efficient and safe way, and has high practical value and promotion prospects.

[0060] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A ladle cleaning device for an aluminum alloy die-casting machine, comprising a robotic arm (1), a ladle (2), and an aluminum alloy material container (4), characterized in that: It also includes a scraper (3) located on the side of the ladle (2). The robotic arm (1) is provided with a horizontal guide rail (11). The guide rail (11) is provided with a slider (12). The slider (12) is connected to the scraper (3). The robotic arm (1) is provided with a sliding rod (5), a support cylinder (6), a clamping block (51), a transmission component, and a support block (41). The support cylinder (6) is vertically located on the robotic arm (1). The sliding rod (5) is coaxially slidably connected to the support cylinder (6). The upper end of the sliding rod (5) is connected to the slider (12) through the transmission component. When the sliding rod (5) moves upward, the transmission component drives the slider (12) to move away from the ladle (2). The clamping block (51) is connected to the lower end of the sliding rod (5). The support block (41) is located on the inner wall of the aluminum alloy bucket (4). When the sliding rod (5) moves downward, the clamping block (51) and the support block (41) are in contact.

2. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 1, characterized in that: The transmission component includes a connecting rope (71), a first fixed pulley (72), a second fixed pulley (73), and a first spring (13). The first fixed pulley (72) is located on the outer wall of the support cylinder (6), and the second fixed pulley (73) is located on the upper end of the guide rail (11). One end of the connecting rope (71) is connected to the upper end of the sliding rod (5), and the other end of the connecting rope (71) is connected to the slider (12). The connecting rope (71) is arranged to abut against the outer edge of the first fixed pulley (72) and the lower edge of the second fixed pulley (73) in sequence. The first spring (13) is connected to the slider (12) and is used to drive the slider (12) to move toward the ladle (2).

3. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 2, characterized in that: The guide rail (11) is provided with a locking element, which includes a locking block (91) and a locking rod (92). The locking block (91) is slidably connected to the guide rail (11) in the vertical direction. The locking rod (92) is horizontally connected to the slider (12). The lower end of the locking block (91) is set with an inclined surface. The lower end of the locking block (91) is set to gradually descend in the direction away from the first spring (13). The position of the locking rod (92) in the vertical direction is lower than the highest point of the inclined surface at the lower end of the locking block (91).

4. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 3, characterized in that: The upper end of the guide rail (11) is detachably connected to a locking plate (94), which is connected to the locking block (91) via a locking spring (93).

5. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 1, characterized in that: The scraper (3) includes a horizontal blade (31) and a vertical connecting plate (32). The scraper (3) is provided with a flow channel (311), and the flow channel (311) is connected to a receiving trough (8).

6. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 5, characterized in that: The receiving trough (8) is rotatably connected to the slider (12). One end of the receiving trough (8) is connected to the outer wall of the support cylinder (6) through the connecting rod (81). The two ends of the connecting rod (81) are rotatably connected to the receiving trough (8) and the support cylinder (6) respectively. The lower end of the receiving trough (8) is provided with a gravity ball (82). The gravity ball (82) and the connecting rod (81) are located at the two ends of the center of gravity of the receiving trough (8) respectively.

7. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 6, characterized in that: The connecting rod (81) includes two sleeves (811) that are slidably connected to each other. A third spring (812) is provided inside the sleeve (811). The third spring (812) is used to drive the two sleeves (811) to move relative to each other so that the total length of the connecting rod (81) is shortened.

8. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 1, characterized in that: A horizontal support plate (61) is coaxially connected inside the support cylinder (6). The support plate (61) is connected to the sliding rod (5). A second spring (62) is provided inside the support cylinder (6) to drive the support plate (61) to move downward.

9. The ladle cleaning device for an aluminum alloy die-casting machine according to claim 1, characterized in that: The aluminum alloy bucket (4) is rotatably connected to a disc (10). An impact rod (101) is provided on the outer ring surface of the disc (10). When the ladle (2) moves, the guide rail (11) impacts and drives the impact rod (101) to rotate. The disc (10) is provided with a torsion spring for driving the impact rod (101) back to its original position. The disc (10) is provided with a transmission rod (102). The aluminum alloy bucket (4) is provided with a feed pipe (42). The feed pipe (42) is provided with a transmission rod (102) for... A sealing plate (43) controls the opening and closing of the feed pipe (42). The sealing plate (43) is rotatably connected to the feed pipe (42). When the disc (10) rotates, the transmission rod (102) abuts against the upper end of the sealing plate (43) and drives the sealing plate (43) to rotate. A limiting block (44) is provided at the lower end of the feed pipe (42). The sealing plate (43) and the limiting block (44) are arranged sequentially along the feeding direction. The lower ends of the sealing plate (43) and the limiting block (44) are locked together.

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