Grinding ball casting device and method

Abstract

The invention relates to the technical field of casting modeling, and discloses a grinding ball casting device and method.The grinding ball casting device comprises a workpiece processing platform, a grinding ball casting device and a grinding ball casting device, the supporting frame is fixed to one side of the workpiece processing platform, and the top of the supporting frame is flush with the workpiece processing platform. The rotary driving part is arranged below the workpiece processing platform, and the driving end of the rotary driving part is detachably connected with the bottom of the casting mold through a hexagonal butt joint opening. Through staged lifting control and a real-time feedback mechanism, precise cooperation of lifting of the protective cover and assembling and disassembling of the mold is achieved, servo driving is combined with sensor feedback to optimize the movement track and the positioning precision, and mechanical impact and operation risks are remarkably reduced; and the intelligent anomaly detection module can quickly respond when a fault occurs, so that the safe operation of the equipment is ensured.

Description

Technical Field

[0001] The present invention relates to the technical field of casting molding, and more specifically, it relates to a grinding ball casting device and method. Background Art

[0002] In many fields such as mining, cement, and chemical industries, grinding balls are widely used as indispensable grinding media. They are generally made of high-hardness materials such as alloy steel, ceramics, and high-chromium cast iron, and their shapes are spherical or approximately spherical. During the operation of grinding equipment, grinding balls rely on collisions and rolling frictions with materials to achieve the purposes of material crushing, refinement, and mixing. The production of grinding balls mostly uses casting processes, and among them, the centrifugal casting method has become an efficient way to produce wear-resistant grinding balls due to its unique advantages.

[0003] In the prior art, when using traditional grinding ball casting devices, the mold loading and unloading operations generally rely on manual intervention or simple lifting mechanisms, resulting in problems such as cumbersome operation processes, insufficient positioning accuracy, and prominent safety hazards. Moreover, by directly lifting the protective cover with a single power source and then manually disassembling the mold, there is a lack of automated pushing and coordinated control mechanisms, leading to low production efficiency and difficulty in dealing with abnormal conditions such as mold offset or overload jamming. Summary of the Invention

[0004] The purpose of the present invention is to provide a grinding ball casting device and method to solve the above-mentioned technical problems.

[0005] The present invention solves the above-mentioned existing technical problems through the following technical solutions:

[0006] The present invention provides a grinding ball casting device, including:

[0007] A workpiece processing platform, with a rotating groove provided at its top;

[0008] A support frame, fixed to one side of the workpiece processing platform, and its top is flush with the workpiece processing platform;

[0009] A rotation driving part, provided below the workpiece processing platform, and its driving end is detachably connected to the bottom of the casting mold through a hexagonal docking port;

[0010] A protective outer cover, covering the top of the workpiece processing platform;

[0011] At least two servo-controlled linear actuators, symmetrically arranged on both sides of the workpiece processing platform, whose telescopic ends are connected to the protective outer cover, and displacement sensors are built in to real-time feedback the lifting height;

[0012] A mold disassembly part, including two jacking mechanisms symmetrically sliding inside the protective outer cover, a limit clamp seat provided at the bottom of the jacking mechanism, and a coordinated transmission mechanism connecting the limit clamp seat and the protective outer cover;

[0013] The servo-controlled linear actuator controls the lifting and lowering of the protective cover in three stages:

[0014] The first stage: Lift the protective cover to a safe height away from the casting mold at a first speed, triggering the jacking mechanism to push the casting mold out of the rotating groove.

[0015] The second stage: Switch to a second speed and continue to lift to a preset linkage height, and the coordinated transmission mechanism drives the limit clamp seat to rotate at a preset inclination angle to laterally push the casting mold to the support frame.

[0016] The third stage: When the protective cover descends, through the closed-loop feedback of the servo-controlled linear actuator, synchronously adjust the reset angle of the limit clamp seat to ensure the precise positioning of the casting mold.

[0017] Preferably, the jacking mechanism includes a pushing body and a fixed stabilizing plate perpendicular to it. The two sides of the stabilizing plate are provided with movable slot openings. The inner side of the protective cover is slidably connected to the movable slot openings through movable bodies. The top of the pushing body is provided with an arc-shaped limit abutting body.

[0018] Preferably, the limit clamp seat includes an arc-shaped rotating bracket and at least two rolling wheel bodies. The rotation axis of the rolling wheel bodies forms an inclination angle of 15-30° with the radial direction of the casting mold, and the surface is provided with anti-slip patterns.

[0019] Preferably, the coordinated transmission mechanism includes a limit rod body fixed to the workpiece processing platform, a mating gear, and two bevel gears meshing with each other. One of the bevel gears is connected to the rotating bracket, and the other bevel gear is connected to the mating gear through a transmission shaft body. The protective cover is provided with an avoidance slot body, and the upper end of the limit rod body is provided with a meshing slot body section meshing with the mating gear.

[0020] Preferably, the rotation driving part includes a driving motor, a rotating rod, and a transmission wheel set. The top of the rotating rod is adapted to the hexagonal docking port at the bottom of the casting mold.

[0021] Preferably, at least one of the rolling wheel bodies is located at the central axis of the casting mold, and the rest are located on the semi-circular side of the casting mold away from the support frame.

[0022] Preferably, the servo-controlled linear actuator is communicatively connected to the PLC controller and dynamically adjusts the lifting and lowering speed according to the feedback data of the displacement sensor.

[0023] Preferably, a torque sensor is provided between the bevel gear of the coordinated transmission mechanism and the transmission shaft body. When the detected pushing resistance exceeds the threshold, the PLC controller is triggered to pause the lifting and lowering action and issue an alarm.

[0024] The beneficial effects of the present invention are as follows:

[0025] Through staged lifting control and real-time feedback mechanism, the present invention realizes precise coordination between the lifting of the protective cover and the loading and unloading of the mold. The servo drive combined with sensor feedback optimizes the motion trajectory and positioning accuracy, significantly reducing mechanical impact and operation risks. The intelligent anomaly detection module can quickly respond when a fault occurs to ensure the safe operation of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 is a schematic structural diagram of a grinding ball casting device provided by the present invention;

[0027] Figure 2 is an exploded view of a grinding ball casting device provided by the present invention;

[0028] Figure 3 is a schematic structural diagram of a mold disassembly part in a grinding ball casting device provided by the present invention;

[0029] Figure 4 is a schematic structural diagram among the mold disassembly part, the protective outer cover and the servo-controlled linear actuator in a grinding ball casting device provided by the present invention;

[0030] Figure 5 is a schematic structural diagram of a limit clamping seat in a grinding ball casting device provided by the present invention;

[0031] Figure 6 is a side view of a grinding ball casting device provided by the present invention;

[0032] Figure 7 is a schematic structural diagram of the centrifugal drive in a grinding ball casting device provided by the present invention.

[0033] In the figure: 1, workpiece processing platform; 11, rotating groove; 2, support frame; 3, rotating drive part; 31, driving motor; 32, rotating rod; 33, transmission pulley set; 4, protective outer cover; 5, servo-controlled linear actuator; 6, mold disassembly part; 61, jacking mechanism; 611, pushing body; 612, stabilizing plate; 613, movable notch; 614, movable body; 615, limit abutting body; 62, limit clamping seat; 621, rotating bracket; 622, rolling wheel body; 63, cooperative transmission mechanism; 631, limiting rod body; 632, mating gear; 633, bevel gear; 634, transmission shaft body; 635, meshing groove section; 636, avoidance groove; 7, casting mold; 8, drainage funnel. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0034] Reference will now be made to example embodiments to discuss the subject matter described herein. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Without departing from the scope of protection of the content of this specification, changes can be made to the functions and arrangements of the elements discussed. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described relative to some examples can also be combined in other examples.

[0035] Embodiment 1

[0036] Please refer to Figures 1 to 3 , a grinding ball casting device, specifically composed as follows: It includes a workpiece processing platform 1, a support frame 2, a rotary drive unit 3, a protective outer cover 4, at least two servo-controlled linear actuators 5, and a mold disassembly unit 6. There is a rotary groove 11 provided on the upper part of the workpiece processing platform 1. When pouring the casting mold 7, the mold is located inside this rotary groove 11. The support frame 2 is firmly installed on one side of the workpiece processing platform 1, and its top plane is flush with the top plane of the workpiece processing platform 1, mainly used as an area for loading and unloading the casting mold 7. The rotary drive unit 3 is installed below the workpiece processing platform 1, and one end of it can be detachably assembled with the center position of the bottom of the casting mold 7. During the centrifugal pouring process, the rotary drive unit 3 is relied on to drive the casting mold 7 to rotate. The bottom of the protective outer cover 4 is closely attached to the top plane of the workpiece processing platform 1, and the protective outer cover 4 is used to block the molten metal substances splashing out from the casting mold 7. Two servo-controlled linear actuators 5 are symmetrically fixed on both sides of the workpiece processing platform 1, and their telescopic ends are connected to the protective outer cover 4. Through the synchronous telescopic actions of the two servo-controlled linear actuators 5, the automatic lifting of the protective outer cover 4 is jointly achieved, so that the top of the workpiece processing platform 1 is in an unobstructed open state, facilitating the loading and unloading operations of the casting mold 7. The servo-controlled linear actuator 5 adopts an electric push rod combined with a servo motor and a ball screw, and a displacement sensor is built in the servo-controlled linear actuator 5 and is communicatively connected to an external PLC controller. The displacement sensor is used to real-time feedback the lifting height, and the servo-controlled linear actuator 5 dynamically adjusts the lifting speed according to the data feedback by the displacement sensor. The displacement sensor adopts a grating scale or a magnetic grating scale, and can be embedded inside the servo-controlled linear actuator 5 or externally placed on the lifting track.

[0037] The mold disassembly part 6 is arranged above the workpiece processing platform 1. This mechanism includes two jacking mechanisms 61, two limit clamp seats 62, and two cooperative transmission mechanisms 63. Among them, the two jacking mechanisms 61 are symmetrically arranged in a sliding manner inside the protective outer cover 4, and the two limit clamp seats 62 are respectively rotatably installed at the bottoms of the two jacking mechanisms 61. When the casting mold 7 is in a rotating state, rolling contact is formed between the two symmetrically arranged limit clamp seats 62 and the outer peripheral side surface of the casting mold 7, which can play a role in limiting and fixing the casting mold 7. The two cooperative transmission mechanisms 63 respectively establish a transmission connection relationship between the limit clamp seats 62 and the protective outer cover 4, and are used to realize the cooperative linkage action between the protective outer cover 4 and the limit clamp seats 62.

[0038] Among them, the servo-controlled linear actuator 5 controls the lifting and lowering of the protective outer cover 4 in three stages:

[0039] The first stage: Lift the protective outer cover 4 at a first speed to a safe height away from the casting mold 7, and trigger the jacking mechanism 61 to push the casting mold 7 out of the rotating groove 11;

[0040] The second stage: Switch to a second speed and continue to lift to a preset linkage height. The cooperative transmission mechanism 63 drives the limit clamp seat 62 to rotate at a preset inclination angle, and laterally pushes the casting mold 7 to the support frame 2;

[0041] The third stage: When the protective outer cover 4 descends, through the closed-loop feedback of the servo-controlled linear actuator 5, synchronously adjust the reset angle of the limit clamp seat 62 to ensure the precise return of the casting mold 7.

[0042] After the pouring process of the casting mold 7 is completed, first start the servo-controlled linear actuator 5 to make it extend, thereby driving the protective cover 4 to move upward, separating it from the top of the workpiece processing platform 1. At this time, there is no linkage relationship between the limit clamp seat 62 and the jacking mechanism 61 and the protective cover 4. When the protective cover 4 moves upward to a preset height, under the connection of the coordinated transmission mechanism 63, a linkage relationship is established between the protective cover 4 and the mold disassembly part 6. Continue to make the servo-controlled linear actuator 5 extend, driving the protective cover 4 to move further upward. Driven by the coordinated transmission mechanism 63, the mold disassembly part 6 begins to move upward together with the protective cover 4. Through the upward movement of the jacking mechanism 61, the bottom of it comes into contact with the bottom of the casting mold 7, so that the casting mold 7 can be driven to move upward together. When the bottom of the casting mold 7 moves upward to the position of the top surface of the workpiece processing platform 1, the servo-controlled linear actuator 5 continues to extend, and the coordinated transmission mechanism 63 starts to synchronously drive the limit clamp seat 62 to rotate towards one side of the support frame 2, thereby generating an outward thrust on the casting mold 7. When the servo-controlled linear actuator 5 extends to a preset length, the limit clamp seat 62 just pushes the casting mold 7 onto the support frame 2. Then, the staff transports the casting mold 7 that has completed pouring to the cooling area and places another casting mold 7 on the support frame 2. By controlling the contraction of the servo-controlled linear actuator 5, the mold disassembly part 6 starts to perform a reset operation, the jacking mechanism 61 moves downward, and the limit clamp seat 62 rotates and resets. When the entire mold disassembly part 6 is completely reset, there is still a certain space between the protective cover 4 and the workpiece processing platform 1 at this time. The staff can then push another casting mold 7 onto the mold disassembly part 6, and then continue the pouring operation. So far, the loading and unloading process of the entire casting mold 7 is completed. This loading and unloading action is completed synchronously during the lifting process of the protective cover 4, realizing the synchronous switching of the use states of the protective cover 4 and the loading and unloading mold. On the one hand, it simplifies the loading and unloading process, making it more smooth and efficient, and thus achieving the purpose of accelerating the loading and unloading speed of the casting mold 7, and can meet the production requirements of large-scale pouring; on the other hand, there is no need to set up an additional drive source to separately complete the unloading action of the casting mold 7, reducing energy consumption and usage costs.

[0043] Please refer to Figures 1 to 3, the lifting mechanism 61 includes a pushing body 611 and a stabilizing plate 612 vertically fixed to the top of the bottom plate. Activity slots 613 are formed on both sides of the stabilizing plate 612, and the inner side of the protective outer cover 4 is slidably connected with the activity slots 613 through an activity body 614. The length of the activity slot 613 is greater than the height of the casting mold 7, and the sliding stroke of the activity body 614 is divided into a stationary stage and a linkage rising stage of the lifting mechanism 61. A limiting abutting body 615 is fixedly installed on the top of the pushing body 611, and the top of the limiting abutting body 615 is of an arc structure. When lifting the casting mold 7, its top contacts the bottom of the casting mold 7 to provide support for the casting mold 7. After the casting mold 7 and the centrifugal mechanism are installed, neither the pushing body 611 nor the limiting abutting body 615 contacts the bottom of the casting mold 7, which can reduce the friction on the rotating casting mold 7.

[0044] During the process of the protective outer cover 4 moving upward to a preset height, the activity body 614 moves upward together with the protective outer cover 4 and slides along the activity slot 613, so that the stabilizing plate 612 is temporarily not affected by the upward movement of the protective outer cover 4 and remains stationary. When the activity body 614 slides to the upper end of the activity slot 613, the protective outer cover 4 continues to move upward. At this time, the stabilizing plate 612 starts to move upward following the drive of the activity body 614, and then the pushing body 611 and the limiting abutting body 615 move upward together, and the top of the limiting abutting body 615 first contacts the bottom of the casting mold 7, and then drives the casting mold 7 to move upward. With such a design, the protective outer cover 4 can move upward to the preset height first, and the preset height needs to be greater than the height of the casting mold 7, so as to provide enough space for the subsequent installation of the casting mold 7.

[0045] Please refer to Figure 1 , Figure 3 and Figure 5 , the limiting clamp seat 62 includes an arc-shaped rotating bracket 621 and a plurality of rolling wheel bodies 622 rotatably installed on the rotating bracket 621 evenly. The number of the rolling wheel bodies 622 is at least two. One of the rolling wheel bodies 622 is located at the central axis position of the casting mold 7, and the rest of the rolling wheel bodies 622 are located at the half-ring side position of the casting mold 7 away from the support frame 2. Anti-slip patterns are provided on the surface of the rolling wheel bodies 622, and the rotation axis thereof forms an inclination angle of 15 - 30° with the radial direction of the casting mold 7, and this inclination angle can increase the lateral thrust of the rolling wheel bodies 622.

[0046] After the casting mold 7 and the rotary drive unit 3 are assembled, the two symmetrically arranged limit clamping seats 62 clamp and position both sides of the casting mold 7 respectively to make it in a standard posture. Meanwhile, during the rotation of the casting mold 7, with the rolling contact between the rolling wheel bodies 622 and the casting mold 7, the rotating casting mold 7 can be effectively limited to rotate stably. When the casting mold 7 is unloaded, through the rotation action of the limit clamping seat 62, the casting mold 7 can be pushed onto the support frame 2. Therefore, the limit clamping seat 62 can not only play an auxiliary positioning role for the casting mold 7, but also realize the function of automatically unloading the casting mold 7 when used in cooperation with the coordinated transmission mechanism 63.

[0047] Please refer to Figures 1 to 2 , the coordinated transmission mechanism 63 includes a limit rod body 631, a mating gear 632 and two meshing bevel gears 633. The limit rod body 631 is fixedly installed on one side of the workpiece processing platform 1, and its outer side is slidably connected with the protective cover 4. One of the bevel gears 633 is fixedly connected to the rotating end of the rotating bracket 621, and the other bevel gear 633 is rotatably installed on the stabilizing plate 612. The mating gear 632 is connected to the bevel gear 633 located on the stabilizing plate 612 through a transmission shaft body 634. An avoidance groove body 636 slidably matched with the transmission shaft body 634 is formed on the protective cover 4, and a meshing groove section 635 adapted to the mating gear 632 is arranged at the upper end of the limit rod body 631; in addition, a torque sensor is arranged between the bevel gear 633 and the transmission shaft body 634 of the coordinated transmission mechanism 63. When the detected pushing resistance exceeds the threshold value, the PLC controller is triggered to pause the lifting action and issue an alarm.

[0048] In the process of the servo-controlled linear actuator 5 driving the protective cover 4 to move upward to the preset height, the protective cover 4 gradually moves upward along the outer side of the limit rod 631. Due to the avoidance groove 636 on the protective cover 4, the transmission shaft 634 will not be affected by the upward movement of the protective cover 4 temporarily, and will not move up with the protective cover 4. When the transmission shaft 634 contacts the bottom end of the avoidance groove 636, the protective cover 4 just moves up to the preset position of the first stage. Then the protective cover 4 continues to move upward, the transmission shaft 634 begins to move up with the protective cover 4, and the mold disassembly part 6 also begins to move up. When the protective cover 4 moves up to the preset position of the second stage, the mating gear 632 begins to mesh with the meshing groove section 635. As the protective cover 4 continues to move upward, the mating gear 632 begins to rotate along the meshing groove section 635, and the transmission shaft 634 rotates along with the mating gear 632, and drives the two bevel gears 633 to rotate synchronously, so that the limit clamp seat 62 starts to rotate and gradually pushes the casting mold 7 onto the support frame 2. When the protective cover 4 moves up to the preset height of the third stage, the limit clamp seat 62 just pushes the casting mold 7 onto the support frame 2. Afterwards, the servo-controlled linear actuator 5 contracts, and in the process of driving the protective cover 4 to move downward to the preset position of the first stage, the limit clamp seat 62 first rotates and resets, and then the entire mold removal part 6 is reset to the inside of the workpiece processing platform 1. At this time, there is still enough space between the protective cover 4 and the workpiece processing platform 1, and then the staff can install another casting mold 7 into the workpiece processing platform 1 and connect it to the rotating drive unit 3. In this way, the cooperative transmission mechanism 63 realizes the linkage and cooperative action between the protective outer cover 4 and the mold disassembly part 6, and can automatically complete the removal operation of the casting mold 7. At the same time, the setting of the limiting rod body 631 can also play a role of sliding limit for the lifting and lowering protective outer cover 4, ensuring that the protective outer cover 4 is lifted and lowered stably.

[0049] Please refer to Figures 6 to 7 The rotary drive unit 3 includes a driving motor 31 and a rotating rod 32 rotatably mounted on the workpiece processing platform 1. A hexagonal docking port adapted to the top of the rotating rod 32 is provided at the center of the bottom of the casting mold 7, so as to achieve rapid docking of the two. The driving motor 31 and the rotating rod 32 are connected by a transmission wheel set 33, which is composed of two pulleys with different diameters and connected by a transmission belt.

[0050] When the casting mold 7 is driven to rotate, the driving motor 31 is started to rotate, thereby causing the transmission wheel set 33 to rotate synchronously, and finally the rotating rod 32 drives the casting mold 7 to rotate together.

[0051] Embodiment 2

[0052] As another embodiment of the present invention, a grinding ball casting method applicable to the above centrifugal casting device is also provided, and the specific steps are as follows:

[0053] S1, initialization control parameters: set the lifting speed parameters of the protective cover 4, including the first speed V15-10mm / s, the second speed V2 2-5mm / s, the safety height H1200-300mm, and the linkage height H2400-500mm;

[0054] S2. Lift the protective cover 4 in stages:

[0055] The first stage: the protective cover 4 is lifted at a constant speed of V1 by the servo-controlled linear actuator 5, and the feedback height of the displacement sensor is monitored in real time. When the height reaches H1, the lifting mechanism 61 is triggered to lift the casting mold 7 out of the rotating groove 11;

[0056] The setting basis of H1 is the minimum safety distance required for the mold to leave the rotating tank 11. For example, a lower distance of 200 mm may cause a collision risk.

[0057] The second stage: switch to V2 and continue to lift the protective cover 4. When the height reaches H2, the bevel gear 633 is engaged with the meshing slot section 635 to drive the limit clamp seat 62 to rotate at an angle of 15-30°. At the same time, a delay of 0.5-2 seconds is introduced to ensure that the trajectory of the casting mold 7 being pushed horizontally to the support frame 2 is synchronized with the rotation of the limit clamp seat 62.

[0058] When the protective cover 4 descends and resets, the PLC controller adjusts the descending speed in real time according to the displacement sensor data, and switches to V1 speed within the range of 10-20 mm from the initial position to avoid mechanical shock; and before the limit clamp seat 62 rotates to push the casting mold 7, the lifting height of the casting mold 7 is checked twice by the PLC controller. If the height deviation exceeds ±0.1mm, the automatic compensation program is triggered;

[0059] S3, abnormality detection and processing: In step S2, if the torque sensor detects that the pushing resistance exceeds the threshold value of 50-100N / m, the PLC controller is triggered to suspend the lifting action and alarm;

[0060] S4. Mold replacement and resetting: After replacing the new casting mold 7, the servo-controlled linear actuator 5 is controlled to lower the protective cover 4 at a speed of V2, and the reset path is dynamically calibrated through closed-loop feedback to control the return angle error of the limit clamp seat 62 within ±0.5°. Among them, the implementation method of closed-loop feedback can be described as a PID control algorithm.

[0061] The embodiments of the present invention have been described above. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative rather than restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms, all of which fall within the protection scope of the present invention.

Claims

1. A grinding ball casting device, characterized in that, Comprising: A workpiece processing platform (1) with a rotating groove (11) provided at its top; A support frame (2) fixed to one side of the workpiece processing platform (1) and having its top flush with the workpiece processing platform (1); A rotation driving part (3) provided below the workpiece processing platform (1), and its driving end is detachably connected to the bottom of the casting mold (7) through a hexagonal docking port; A protective outer cover (4) covering the top of the workpiece processing platform (1); At least two servo-controlled linear actuators (5) symmetrically arranged on both sides of the workpiece processing platform (1), whose telescopic ends are connected to the protective outer cover (4), and a displacement sensor is built in to real-time feedback the lifting height; A mold disassembly part (6) including two jacking mechanisms (61) symmetrically sliding inside the protective outer cover (4), a limit clamping seat (62) provided at the bottom of the jacking mechanism (61), and a cooperative transmission mechanism (63) connecting the limit clamping seat (62) and the protective outer cover (4); The servo-controlled linear actuator (5) controls the lifting and lowering of the protective outer cover (4) in three stages: The first stage: Lift the protective outer cover (4) to a safe height H1 away from the casting mold (7) at a first speed V1, and trigger the jacking mechanism (61) to push the casting mold (7) out of the rotating groove (11); The second stage: Switch to a second speed V2 and continue to lift to a preset linkage height H2, and the cooperative transmission mechanism (63) drives the limit clamping seat (62) to rotate at a preset inclination angle to laterally push the casting mold (7) to the support frame (2); The third stage: When the protective outer cover (4) descends, through the closed-loop feedback of the servo-controlled linear actuator (5), synchronously adjust the reset angle of the limit clamping seat (62) to ensure the precise positioning of the casting mold (7).

2. The abrasive ball casting device according to claim 1, characterized in that, The jacking mechanism (61) includes a jacking body (611) and a stable plate (612) vertically fixed. Activity slots (613) are opened on both sides of the stable plate (612). The inner side of the protective outer cover (4) is slidably connected to the activity slots (613) through an activity body (614). An arc-shaped limit abutting body (615) is provided at the top of the jacking body (611).

3. A grinding ball casting device according to claim 2, characterized in that, The limit clamping seat (62) includes an arc-shaped rotating bracket (621) and at least two rolling wheel bodies (622). The rotation axis of the rolling wheel bodies (622) forms an inclination angle of 15 - 30° with the radial direction of the casting mold (7), and anti-slip patterns are provided on the surface.

4. A grinding ball casting device according to claim 3, characterized in that, The cooperative transmission mechanism (63) includes a limit rod body (631) fixed to the workpiece processing platform (1), a mating gear (632), and two bevel gears (633) meshing with each other. One of the bevel gears (633) is connected to the rotating bracket (621), and the other bevel gear (633) is connected to the mating gear (632) through a transmission shaft body (634). An avoidance slot body (636) is provided on the protective outer cover (4), and an engaging slot section (635) meshing with the mating gear (632) is provided at the upper end of the limit rod body (631).

5. A grinding ball casting device according to claim 1, characterized in that, The rotation driving part (3) includes a driving motor (31), a rotating rod (32), and a transmission pulley group (33). The top end of the rotating rod (32) is adapted to the hexagonal docking port at the bottom of the casting mold (7).

6. The grinding ball casting device according to claim 3, characterized in that, At least one of the rolling wheel bodies (622) is located at the central axis of the casting mold (7), and the rest are located on the semi-circular side of the casting mold (7) away from the support frame (2).

7. A grinding ball casting device according to claim 1, characterized in that, The servo-controlled linear actuator (5) is communicatively connected to the PLC controller and dynamically adjusts the lifting speed according to the feedback data of the displacement sensor.

8. A grinding ball casting device according to claim 4, characterized in that, A torque sensor is provided between the bevel gear (633) of the cooperative transmission mechanism (63) and the transmission shaft body (634). When it is detected that the pushing resistance exceeds the threshold, the PLC controller is triggered to pause the lifting action and issue an alarm.

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