A sand box making turnover mechanism

Abstract

The utility model relates to foundry equipment technical field especially relates to a sand box is made with turnover mechanism, including a plurality of support frame, each support frame upper portion is installed with step motor, the output shaft of step motor is connected with the rotating lever, the rotating lever is fixed with fixed plate, the fixed plate upper portion rotatory is provided with one way screw rod, one way screw rod one end is fixed with handle, and the other end is screw -threaded with the moving plate. Through manual rotation handle drives one way screw rod rotation, drives the moving plate linear movement along the rotating lever, to adjust to the clamping action of sand box to the clamping plate to the appropriate position to the different size specifications sand box carries out fast, firm clamping.

Description

Technical Field

[0001] This utility model relates to the field of casting equipment technology, and in particular to a flipping mechanism for making sand boxes. Background Technology

[0002] In the foundry industry, sand boxes are important tools for making sand molds. Sand molds are usually made by filling the sand box with molding sand, compacting and trimming it to form the shape of the desired casting. After the sand mold is made, it needs to be flipped to separate the sand box from the sand mold so that subsequent pouring processes can be carried out.

[0003] Patent CN214488811U discloses a sand box turning device for casting production. This device includes a support base, a support block, a first slide groove, a support plate, a lead screw, and a second motor. Starting the second motor drives the lead screw to rotate, thereby driving the support plate to move up and down along the guide rail, causing the support block to rise and support the sand box body. When turning is required, the motor is started again to lower the support block and separate it from the sand box, thus completing the sand box turning operation. The device also includes auxiliary structures such as a second slide groove, a sliding plate, a rubber plate, a spring, and a telescopic sleeve to enhance the stability and safety of the support plate during lifting and lowering, preventing the support block from sliding down sharply. Although this device improves the automation and stability of sand box turning to some extent, it still has some shortcomings in practical applications. This device is only suitable for sand boxes of fixed size or specific specifications, and it is difficult to meet the universal clamping and turning needs of sand boxes of different sizes.

[0004] Therefore, there is an urgent need to provide a flipping mechanism for sand box manufacturing that can adapt to sand boxes of various specifications. Utility Model Content

[0005] In order to overcome the shortcomings of existing patented sand box flipping devices, which are only suitable for sand boxes of fixed size or specific specifications and cannot meet the universal clamping and flipping requirements of sand boxes of different sizes, this utility model provides a flipping mechanism for sand box manufacturing that can adapt to sand boxes of various specifications.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a flipping mechanism for sand box manufacturing, comprising multiple support frames, each support frame having a stepper motor mounted on its upper part, the output shaft of the stepper motor connected to a rotating rod, a fixed plate fixedly mounted on the rotating rod, a one-way screw rotatably mounted on the upper part of the fixed plate, a handle fixedly mounted on one end of the one-way screw, and a movable plate threadedly mounted on the other end, the movable plate having a through hole in its middle, the movable plate slidingly sleeved onto the rotating rod through the through hole, thereby forming a sliding guide engagement with the rotating rod, and a clamping plate fixedly mounted on the lower part of the movable plate by screws.

[0007] As an improvement to the above solution, an anti-slip rubber plate is provided on the clamping surface of the clamping plate.

[0008] As an improvement to the above solution, a receiving plate is provided between the support frames, and sliders are fixedly connected to both sides of the receiving plate. A sliding groove is opened at the lower part of the support frame, and the sliders slide in cooperation with the sliding groove. Symmetrically distributed tie rods are fixedly connected to the front side of the receiving plate.

[0009] As an improvement to the above solution, a first locking rod is fixedly connected inside the slide groove, and a first locking groove matching the first locking rod is opened on the slider.

[0010] As an improvement to the above solution, each of the support frames is detachably provided with a support plate at the bottom. One end of the support plate is fixedly connected to a second locking rod, and a second locking groove matching the second locking rod is opened at the corresponding position of the support frame. The other end of the support plate is fixedly connected to a positioning plate.

[0011] As an improvement to the above solution, a damping ring is fitted on the second locking rod, and the damping ring is located between the second locking rod and the second locking groove.

[0012] As an improvement to the above solution, the handle is covered with an anti-slip rubber sleeve.

[0013] As an improvement to the above solution, each of the support frames is provided with a protective shell on its upper part. The protective shell covers the outside of the stepper motor, forming a closed protective space.

[0014] Compared with the prior art, the present invention has the following technical effects: 1. By manually rotating the handle to drive the one-way screw to rotate, the moving plate moves linearly along the rotating rod, thereby adjusting the clamping plate to a suitable position to clamp the sand box, thereby realizing the quick and stable clamping of sand boxes of different sizes and specifications.

[0015] 2. The receiving plate achieves horizontal sliding through the cooperation of the slider and the chute, which facilitates manual pulling out of the material and pushing it back into place, thus improving the ease of operation and work efficiency of the device.

[0016] 3. During the clamping process, the rear side of the sand box is in close contact with the positioning plate. The positioning plate provides mechanical limit in the front and rear directions, ensuring that the sand box is accurately located in the center position between the two clamping plates. This avoids insecure clamping or unbalanced flipping due to installation deviation, further improving clamping stability and flipping consistency. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0018] Figure 2 This is a three-dimensional sectional view of the components of this utility model, including the one-way screw, the moving plate, and the clamping plate.

[0019] Figure 3 This is a partial sectional view of the material receiving plate, slider, and first clamp rod of this utility model.

[0020] Figure 4 This is a three-dimensional sectional view of the support plate, positioning plate, and second clamp rod of this utility model.

[0021] The labels in the diagram are as follows: 1: Support frame, 2: Stepper motor, 3: Rotating rod, 4: Fixing plate, 5: One-way screw, 6: Handle, 7: Moving plate, 8: Screw, 9: Clamping plate, 10: Anti-slip rubber plate, 11: Receiving plate, 12: Slider, 13: Pull rod, 14: First clamping rod, 15: Support plate, 16: Positioning plate, 17: Second clamping rod, 18: Damping ring, 19: Anti-slip rubber sleeve, 20: Protective shell. Detailed Implementation

[0022] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0023] Example 1: Please refer to Figure 1 and Figure 2 A flipping mechanism for sandbox manufacturing includes two symmetrically arranged support frames 1. A stepper motor 2 is mounted on the upper part of each support frame 1. A protective shell 20 is provided on the upper part of each support frame 1, covering the stepper motor 2 to form a closed protective space, isolating it from external dust, metal debris, and liquid intrusion, thereby protecting the stepper motor 2 from contamination or damage. The output shaft of the stepper motor 2 is connected to a horizontally arranged rotating rod 3. A fixing plate 4 is fixedly mounted on the rotating rod 3. A one-way screw 5 is rotatably mounted on the upper part of the fixing plate 4, and the one-way screw 5 is arranged parallel to the rotating rod 3. A handle 6 is fixedly mounted on one end of the one-way screw 5. The handle 6 is covered with an anti-slip rubber sleeve 19, which is made of a high-friction coefficient material to enhance the operator's grip and control stability, and prevent slippage during manual adjustment. The other end of the one-way screw 5 is threaded with a movable plate 7. The movable plate 7 has a through hole in the middle, and the movable plate 7 is slidably sleeved on the rotating rod 3 through the through hole, thereby forming a sliding guide engagement with the rotating rod 3. The lower part of the movable plate 7 is fixedly installed with a clamping plate 9 for clamping the sand box by screws 8. The clamping surface of the clamping plate 9 is provided with an anti-slip rubber plate 10 to enhance clamping stability, prevent the sand box from sliding or shifting during clamping or flipping, and improve operational safety.

[0024] In use, place the sand box to be flipped between the two clamping plates 9, and manually rotate the handle 6 to drive the one-way screw 5 to rotate. Since the one-way screw 5 and the moving plate 7 are connected by a threaded transmission, the moving plate 7 will move linearly under the guidance of the rotating rod 3. When the moving plate 7 drives the clamping plate 9 to move inward to the appropriate position, it can achieve stable clamping of sand boxes of different sizes. At this time, the anti-slip rubber plate 10 on the clamping plate 9 can effectively increase the friction and prevent the sand box from sliding or falling off due to the shift of the center of gravity or vibration, ensuring the safety and reliability of the clamping process. After the clamping is completed, start the stepper motor 2. The motor drives the rotating rod 3 to rotate. The rotating rod 3, as the main drive shaft, drives the fixed plate 4 and the entire clamping mechanism to rotate synchronously, thereby realizing the overall flipping action of the sand box.

[0025] Example 2: Based on Example 1, please refer to... Figure 3 A receiving plate 11 for receiving sand molds is provided between the two support frames 1. Slider blocks 12 are fixed to both sides of the receiving plate 11. A horizontally arranged groove is opened at the lower part of the support frame 1. The slider 12 slides in the groove, so that the receiving plate 11 can move back and forth horizontally between the support frames 1. A first locking rod 14 is fixed inside the groove, and a first locking groove matching the first locking rod 14 is opened on the slider 12. The temporary positioning or limiting function of the receiving plate 11 can be realized by the first locking rod 14 being locked into the first locking groove. A pull rod 13 symmetrically distributed on the left and right sides is fixed to the front side of the receiving plate 11.

[0026] Initially, the receiving plate 11 maintains a certain distance from the sand box, reserving space for the sand box to flip and ready to receive the sand mold after demolding. After the sand box completes the clamping and flipping operation, the sand mold detaches from the sand box and falls onto the surface of the receiving plate 11. Then, the operator holds the pull rod 13 and pulls the receiving plate 11 forward. As the slider 12 slides along the slide groove, the first locking rod 14 disengages from the first locking slot, and the receiving plate 11 can slide out smoothly, making it easy for the operator to remove the sand mold. After the sand mold is removed, the receiving plate 11 is pushed back to its original position, and the slider 12 slides backward along the slide groove until the first locking rod 14 re-engages in the first locking slot, thus limiting the receiving plate 11 and ensuring its stability during operation, avoiding operational interference caused by accidental sliding.

[0027] Please see Figure 4Each support frame 1 is detachably provided with a support plate 15 on its lower rear side. One end of the support plate 15 is fixedly connected to a second locking rod 17, and the support frame 1 has a second locking groove that matches the second locking rod 17 at a corresponding position. The support plate 15 is quickly fixed by the second locking rod 17 engaging with the second locking groove. In addition, a damping ring 18 is sleeved on the second locking rod 17. The damping ring 18 is located between the second locking rod 17 and the second locking groove, which can provide appropriate frictional resistance to prevent the support plate 15 from loosening or falling off due to vibration or external force, thereby enhancing the stability and reliability of the positioning structure. The other end of the support plate 15 is fixedly connected to a positioning plate 16. The positioning plate 16 fits against the rear side of the sand box, thereby limiting the sand box in the front and rear directions and preventing the sand box from shifting forward during clamping.

[0028] When clamping the sand box, place the sand box between the two clamping plates 9 and make the rear side of the sand box close to the positioning plate 16. At this time, the positioning plate 16 provides a stable mechanical limit for the sand box, ensuring that the sand box is accurately located in the center position between the two clamping plates 9, and avoiding insecure clamping or overturning and imbalance due to installation deviation.

[0029] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A flipping mechanism for making a sand box, comprising a plurality of support frames (1), each support frame (1) having a stepper motor (2) mounted on its upper part, the output shaft of the stepper motor (2) being connected to a rotating rod (3), characterized in that: A fixing plate (4) is fixedly installed on the rotating rod (3). A one-way screw (5) is rotatably installed on the upper part of the fixing plate (4). A handle (6) is fixedly installed at one end of the one-way screw (5), and a moving plate (7) is threaded on the other end. A through hole is provided in the middle of the moving plate (7). The moving plate (7) is slidably sleeved on the rotating rod (3) through the through hole, thereby forming a sliding guide fit with the rotating rod (3). A clamping plate (9) is fixedly installed on the lower part of the moving plate (7) by screws (8).

2. A turnover mechanism for making sand molds as set forth in claim 1, characterized in that: The clamping surface of the clamping plate (9) is provided with an anti-slip rubber plate (10).

3. A turnover mechanism for making sand molds as set forth in claim 2, characterized in that: A receiving plate (11) is provided between the support frame (1). A slider (12) is fixedly connected to both sides of the receiving plate (11). A sliding groove is provided at the bottom of the support frame (1). The slider (12) slides in cooperation with the sliding groove. A symmetrically distributed pull rod (13) is fixedly connected to the front side of the receiving plate (11).

4. The flipping mechanism for sand box manufacturing as described in claim 3, characterized in that: A first locking rod (14) is fixedly connected inside the slide groove, and a first locking groove matching the first locking rod (14) is opened on the slider (12).

5. A tipping mechanism for making sand moulds as claimed in claim 4, wherein: Each of the support frames (1) is detachably provided with a support plate (15) at the bottom. A second locking rod (17) is fixedly connected to one end of the support plate (15), and a second locking groove matching the second locking rod (17) is opened at the corresponding position of the support frame (1). A positioning plate (16) is fixedly connected to the other end of the support plate (15).

6. A tipping mechanism for making sand moulds as claimed in claim 5, wherein: A damping ring (18) is fitted on the second locking rod (17), and the damping ring (18) is located between the second locking rod (17) and the second locking groove.

7. A tipping mechanism for making sand moulds as claimed in claim 6, characterised in that: The handle (6) is covered with an anti-slip rubber sleeve (19).

8. A turnover mechanism for making sand moulds as claimed in claim 7, characterised in that: Each of the support frames (1) is provided with a protective shell (20) on its upper part. The protective shell (20) covers the outside of the stepper motor (2) to form a closed protective space.

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