Sand removal device for casting machining

Abstract

This application relates to a sand removal device for casting processing, belonging to the technical field of casting. It includes a support frame, a sand removal box mounted on top of the support frame, and a sand-turning support rod mounted at the bottom of the sand removal box. The sand removal box contains a rotating shaft, with a support plate at the top for fixing. A rotary motor is mounted on top of the support plate, and the output shaft of the rotary motor is fixedly connected to the rotating shaft. A pressing plate is fixedly connected to the bottom of the rotating shaft, and a scraping mechanism is located at the bottom of the pressing plate. In use, sand is fed into the sand removal box, and the rotary motor is started, driving the scraper of the scraping mechanism to rotate, thereby agitating the sand entering the sand removal box. This causes the sand to be filtered through a filter plate and then enters the sand mold box on the sand-turning support rod, facilitating sand filtration. The filter plate can be disassembled and replaced as needed, and it is also easy to remove the filtered coarser sand, making it convenient to use.

Description

Technical Field

[0001] This application relates to the technical field of casting, and in particular to a sand removal device for processing castings. Background Technology

[0002] Casting is a process in which liquid metal is poured into a casting cavity that conforms to the shape of the part, and after the molten metal cools, a part or blank is obtained. In the casting process, upper and lower molds need to be made separately. During the molding process, sand is usually sieved manually. The sieved sand fills the sand box, and then it is manually compacted and leveled. The above actions are repeated several times to complete the molding. In this process, manual labor is inefficient and the molding process is slow, which affects the mold opening process of the entire part and thus affects the factory's production plan.

[0003] Regarding the aforementioned technologies, the inventors believe that the following defects exist: the existing sand mold filling process is cumbersome, requiring workers to sieve and compact the sand, and the sieving process easily causes sand to spill onto the ground, causing pollution, affecting later use, and resulting in low production efficiency. Utility Model Content

[0004] The purpose of this application is to provide a sand removal device for casting processing to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this application provides a sand removal device for casting processing, which adopts the following technical solution: A sand removal device for casting processing includes a support frame, a sand removal box disposed on top of the support frame, and a sand-turning support rod disposed at the bottom of the sand removal box. The sand removal box has a rotating shaft inside, and a support plate for fixing is disposed on top of the rotating shaft. A rotary motor is disposed on top of the support plate, and the output shaft of the rotary motor is fixedly connected to the rotating shaft. An extrusion plate is fixedly connected to the bottom of the rotating shaft. A scraping mechanism is disposed at the bottom of the extrusion plate. The scraping mechanism includes two telescopic rods, a spring, and a scraper. Two telescopic rods are fixed at the bottom of the extrusion plate. A spring is sleeved at the thin end of each telescopic rod, and a scraper is fixed at the end of each telescopic rod away from the extrusion plate. The bottom of the sand box is provided with a corresponding sand discharge port. The sand discharge port is fixedly mounted on the support frame by a connecting rod. The top of the sand discharge port is provided with a filter plate that fits into the sand discharge port. The filter plate is fixed with buckles on both sides. The connecting rod is provided with a limiting post corresponding to the buckles.

[0006] By adopting the above technical solution, the mixed sand is fed into the sand collection box. The rotary motor is started, driving the scraper of the scraping mechanism to rotate, thereby agitating the sand entering the collection box. This allows the sand to pass through a filter plate and enter the sand mold box on the sand-turning support rod, facilitating sand filtration. The filter plate can be disassembled and replaced as needed, and it is also easy to remove the filtered coarser sand for convenient use.

[0007] Preferably, the extrusion disc is configured as two symmetrical planar cones, and the two planar cones are symmetrically arranged along the larger plane.

[0008] By adopting the above technical solution, the sand entering the sand box can be easily squeezed onto the filter plate, avoiding the sand from piling up and affecting the sand removal process.

[0009] Preferably, the top of the sand-casting support rod is provided with a pressure block, and a hydraulic rod is fixed to the top of the pressure block.

[0010] By adopting the above technical solution, it is convenient to compress and shape the sand in the sand mold box.

[0011] Preferably, a slider is fixed to the top of the hydraulic rod, and the slider is slidably mounted on the slide rod.

[0012] By adopting the above technical solution, the position of the hydraulic rod can be easily adjusted, thereby adjusting the position of the pressure block, which facilitates better clamping of the sand mold box.

[0013] Preferably, a collection box is provided on the outside of the sand-casting support rod, and a discharge port is provided on one side of the collection box. The collection box is inclined, and the discharge port is located on the lower side.

[0014] By adopting the above technical solution, it is convenient to collect the fallen sand and prevent it from falling to the ground, which would affect its reuse later.

[0015] In summary, this application includes at least one of the following beneficial technical effects: 1. The rotary motor, extrusion disc, and scraping mechanism facilitate the feeding of sand into the sand drop box. Starting the rotary motor drives the scraper of the scraping mechanism to rotate, thereby agitating the sand entering the sand drop box. This allows the sand to pass through the filter plate and enter the sand mold box on the sand turning support rod, facilitating sand filtration. The filter plate can be disassembled and replaced as needed, and it is also easy to remove the coarser sand that has been filtered out, making it convenient to use. 2. The hydraulic rod, pressure plate, and slider are designed to allow the hydraulic rod to drive the pressure plate to press the sand mold box, while the slider allows for easy adjustment of the position of the hydraulic rod to press the sand mold box from all directions. 3. The collection box facilitates the collection of fallen sand, preventing sand contamination and affecting later use. The tilted design of the collection box makes it easy to remove the sand. Attached Figure Description

[0016] Figure 1 This is a schematic diagram illustrating the overall structure in the embodiments of this application.

[0017] Figure 2 This is a schematic diagram illustrating the structure of the extrusion disc and the filter plate in the embodiments of this application.

[0018] Figure 3 This is a structural schematic diagram illustrating the scraping mechanism in the embodiments of this application.

[0019] Figure 4 This is a schematic diagram illustrating the structure of the collection box in the embodiments of this application.

[0020] Explanation of reference numerals in the attached drawings: 1. Support frame; 101. Sand drop box; 102. Sand turning support rod; 2. Rotating shaft; 3. Support plate; 4. Rotary motor; 5. Extrusion plate; 6. Scraping mechanism; 61. Telescopic rod; 62. Spring; 63. Scraper; 7. Sand drop port; 71. Connecting rod; 72. Limiting post; 8. Filter plate; 9. Buckle; 10. Pressing block; 11. Hydraulic rod; 12. Sliding block; 13. Sliding rod; 14. Collection box; 15. Discharge port. Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1-4 This application will be described in further detail.

[0022] This application discloses a sand removal device for casting processing, referring to... Figure 1-3The system includes a support frame 1, a sand drop box 101 mounted on top of the support frame 1, and a sand-turning support rod 102 mounted on the bottom of the sand drop box 101. Mixed sand is fed into the sand drop box 101 via external equipment. A rotating shaft 2 is located inside the sand drop box 101. A support plate 3 for fixing is mounted on top of the rotating shaft 2. A rotary motor 4 is mounted on top of the support plate 3. The output shaft of the rotary motor 4 is fixedly connected to the rotating shaft 2. A pressing plate 5 is fixedly connected to the bottom of the rotating shaft 2. A scraping mechanism 6 is located at the bottom of the pressing plate 5. The scraping mechanism 6 includes two telescopic rods 61, a spring 62, and a scraper 63. Two telescopic rods 61 are fixed to the bottom of the extrusion disc 5. A spring 62 is sleeved at the thin end of the telescopic rod 61. A scraper 63 is fixed to the end of the telescopic rod 61 away from the extrusion disc 5. Under the action of the spring 62 and the telescopic rod 61, the scraper 63 plays a certain role in buffering the upper and lower parts when rotating, so as to prevent the filter plate 8 from being blocked or stuck and damaging the scraper 63. The extrusion disc 5 is set as two symmetrical planar cones, and the two planar cones are symmetrically arranged along the larger plane to prevent sand from accumulating on the extrusion disc 5 and the filter plate 8, thus dispersing the sand above and below for easy feeding.

[0023] Reference Figure 2 The bottom of the sand box 101 is provided with a sand discharge port 7. The sand discharge port 7 is fixedly mounted on the support frame 1 by a connecting rod 71. The top of the sand discharge port 7 is provided with a filter plate 8 that fits into the sand discharge port 7. The filter plate 8 is fixed with buckles 9 on both sides. The connecting rod 71 is provided with limiting posts 72 corresponding to the buckles 9. The buckles 9 have the same slot direction. When the filter plate 8 inserted into the sand discharge port 7 is rotated, the buckles 9 are just locked on the two limiting posts 72 to prevent the filter plate 8 from sliding. This makes it convenient to use, easy to replace different filter plates 8, and easy to remove larger impurities accumulated in the sand box 101.

[0024] Reference Figure 1 The top of the sand casting support rod 102 is provided with a pressure block 10, the top of the pressure block 10 is fixed with a hydraulic rod 11, the top of the hydraulic rod 11 is fixed with a slider 12, the slider 12 is slidably mounted on the slide rod 13, and the position of the sliding slider 12 can adjust the position of the hydraulic rod 11 and the pressure block 10, thereby facilitating the compaction of different sand mold boxes. Before compaction, the sand mold box is covered with a sealing plate of corresponding size, which facilitates all of them to be compacted at once.

[0025] Reference Figure 4 The outer side of the sand-turning support rod 102 is provided with a collection box 14, and a discharge port 15 is provided on one side of the collection box 14. The collection box 14 is inclined and the discharge port 15 is located on the lower side to collect the fallen sand. At the same time, it is convenient to clean the collected sand out through the discharge port 15, so as to facilitate the later reuse and reduce waste and sand pollution.

[0026] The implementation principle of a sand removal device for casting processing in this application embodiment is as follows: When using the device, the well-mixed sand is fed into the sand drop box 101 through an external pipe. The sand mold box to be filled with sand is placed on the sand turning support rod 102. The rotary motor 4 is started to drive the scraping mechanism 6 to rotate, so that the sand falls into the sand mold box after being filtered by the filter plate 8. The sand is then spread out manually, and a sealing plate of the corresponding size is placed on the sand mold box. The position of the hydraulic rod 11 is adjusted and the hydraulic rod 11 is started, so that the pressure block 10 is pressed down and pressed on the sealing plate on the sand mold box, thus pressing the sand mold. The fallen sand enters the collection box 14 for easy collection and reuse. When the filter plate 8 needs to be replaced or the impurities in the sand drop box 101 need to be emptied, the filter plate 8 is rotated so that the buckle 9 is disengaged from the limiting post 72, and then the filter plate 8 is pulled out for easy use and replacement, which greatly improves production efficiency and reduces manual labor.

[0027] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape, principle and application direction of this application should be covered within the scope of protection of this application.

Claims

1. A sand removal device for casting processing, comprising a support frame (1), a sand removal box (101) disposed at the top of the support frame (1), and a sand-turning support rod (102) disposed at the bottom of the sand removal box (101), characterized in that: The sand box (101) is equipped with a rotating shaft (2) inside. The top of the rotating shaft (2) is equipped with a support plate (3) for fixing. The top of the support plate (3) is equipped with a rotary motor (4). The output shaft of the rotary motor (4) is fixedly connected to the rotating shaft (2). The bottom of the rotating shaft (2) is fixedly connected with a pressing plate (5). The bottom of the pressing plate (5) is equipped with a scraping mechanism (6). The scraping mechanism (6) includes two telescopic rods (61), a spring (62) and a scraper (63). The bottom of the pressing plate (5) is fixed with two telescopic rods (61). The thin end of the telescopic rod (61) is fitted with a spring (62). The end of the telescopic rod (61) away from the pressing plate (5) is fixed with a scraper (63). The bottom of the sand box (101) is provided with a sand discharge port (7). The sand discharge port (7) is fixedly mounted on the support frame (1) by a connecting rod (71). The top of the sand discharge port (7) is provided with a filter plate (8) that fits with the sand discharge port (7). Buckles (9) are fixed on both sides of the filter plate (8). The connecting rod (71) is provided with a limiting post (72) corresponding to the buckle (9).

2. The sand removal device for casting processing according to claim 1, characterized in that: The extrusion disc (5) is configured as two symmetrical planar cones, and the two planar cones are symmetrically arranged along the larger plane.

3. The sand removal device for casting processing according to claim 1, characterized in that: The top of the sand-casting support rod (102) is provided with a pressure block (10), and a hydraulic rod (11) is fixed on the top of the pressure block (10).

4. The sand removal device for casting processing according to claim 3, characterized in that: A slider (12) is fixed to the top of the hydraulic rod (11), and the slider (12) is slidably mounted on the slide rod (13).

5. The sand removal device for casting processing according to claim 1, characterized in that: The outer side of the sand-casting support rod (102) is provided with a collection box (14), and the collection box (14) is provided with a discharge port (15) on one side. The collection box (14) is inclined, and the discharge port (15) is located on the lower side.

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