Permanent magnet separator for iron removal of foundry sand

Abstract

The utility model provides a permanent magnet separator for deironing foundry sand, which relates to the technical field of permanent magnet separators, and comprises an integral structure and auxiliary structures, and the auxiliary structures are positioned at the front and back positions of the two sides of the bottom of the integral structure; the integral structure comprises a box body, during use, the permanent magnet rollers can rotate through cooperation of the rotating shaft and the servo motor, external materials can be conveyed to the position between the two permanent magnet rollers through conveying of the flow guide plate, when casting sand passes through the two permanent magnet rollers, magnetic substances of the casting sand are adsorbed, and the casting sand is conveyed to the position between the two permanent magnet rollers. When the two permanent magnetic rollers are used for adsorption, the cleaning plates can powerfully scrape the permanent magnetic rollers by utilizing the expansionary force of the pressure springs, so that iron impurities on the surfaces of the permanent magnetic rollers can be cleaned, and the iron removal efficiency is improved. And the manual cleaning time and frequency can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of permanent magnet separators, in particular to a permanent magnet separator for removing iron from foundry sand. Background Technique

[0002] A permanent magnet separator is a device that uses the strong magnetic field generated by permanent magnet materials to separate magnetic substances from non-magnetic substances in materials. It is widely used in many fields such as minerals, metallurgy, chemical industry, food, environmental protection, etc., and plays an important role especially in ore dressing, waste material recycling, sewage treatment, etc.

[0003] The old sand contains iron impurities, which may affect the quality of castings during subsequent reuse. Therefore, most use permanent magnet separators to remove the impurity iron in the sand making. During the use of existing foundry sand iron removal devices, most of them set the permanent magnet drum inside, which is not convenient for users to regularly clean the accumulated iron impurities. If not cleaned in time, it will affect the separation efficiency. Therefore, we propose a permanent magnet separator for removing iron from foundry sand to solve the problems raised above. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problem that in the prior art, most of the permanent magnet drums are set inside, which is not convenient for users to regularly clean the accumulated iron impurities, and if not cleaned in time, it will affect the separation efficiency, and to propose a permanent magnet separator for removing iron from foundry sand.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme: A permanent magnet separator for removing iron from foundry sand, including an overall structure and an auxiliary structure, the auxiliary structure is located at the front and rear positions on both sides of the bottom of the overall structure;

[0006] The overall structure includes a box body, the inner surfaces of both sides of the box body near the bottom are fixedly connected with connecting plates, the front and rear positions on both sides of the top of the connecting plates are fixedly connected with sliding rods, the extending ends of the sliding rods are fixedly connected with cleaning plates, a compression spring is sleeved on the outer surface of the sliding rods, the front inner surfaces of both sides of the box body near the top are rotatably connected with rotating shafts, the rear end faces of the rotating shafts are fixedly connected with permanent magnet drums, a servo motor is fixedly installed on the front outer surface of the box body at the position of the rotating shaft, and a first electric push rod is fixedly installed on the front outer surface of the box body near the center.

[0007] Preferably, one end of the compression spring is fixedly connected with the bottom surface of the cleaning plate, the other end of the compression spring is fixedly connected with the top surface of the connecting plate, and the outer surface of the cleaning plate is slidably connected with the outer surface of the permanent magnet drum.

[0008] Preferably, one end of the rotating shaft penetrates through the surface of the box body and is fixedly connected to the output end of the servo motor, and the other end of the rotating shaft is fixedly connected to the outer surface of the front side of the permanent magnet drum.

[0009] Preferably, a sliding plate is slidably connected to the outer surface of the front side of the box body near the bottom, and the extending end of the first electric push rod is fixedly connected to the top surface of the sliding plate.

[0010] Preferably, openings are formed in the outer surfaces of both sides of the box body near the bottom, second electric push rods are fixedly installed on both sides of the inner surface of the rear side of the box body near the bottom, the extending ends of the second electric push rods are fixedly connected to a pushing plate, and the bottom surface of the pushing plate is slidably connected to the inner bottom of the box body.

[0011] Preferably, the auxiliary structure includes a fixing rod, and an anti-slip support foot is fixedly connected to the bottom end surface of the fixing rod.

[0012] Preferably, the top end surface of the fixing rod is fixedly connected to the bottom surface of the box body.

[0013] Preferably, a control panel is fixedly installed on one side of the outer surface of the front side of the box body.

[0014] Preferably, a transparent plate is fixedly connected to the outer surface of the front side of the box body near the top.

[0015] Compared with the prior art, the advantages and positive effects of the present utility model are as follows:

[0016] 1. When the present utility model is in use, the permanent magnet drum can be rotated through the cooperation of the rotating shaft and the servo motor, and the external materials can be conveyed by the diversion plate and be conveyed between the two permanent magnet drums. Then, when the foundry sand passes through the two permanent magnet drums, its magnetic substances are adsorbed, and the non-magnetic substances pass through and finally fall to the inner bottom of the box body, thereby completing the removal of iron. When the two permanent magnet drums are adsorbing, the cleaning plate can utilize the expansion force of the compression spring to strongly scrape the permanent magnet drum, so as to clean the iron impurities on the surface of the permanent magnet drum, which can reduce the time and frequency of manual cleaning, ensure the overall continuous and efficient operation, and indirectly ensure the separation efficiency.

[0017] 2. The present utility model realizes that the foundry sand at the inner bottom of the box body can be pushed to the front side of the inner bottom of the box body through the mutual cooperation of the second electric push rod and the pushing plate, so that the subsequent user can take it out. Through the setting of the control panel, it is convenient for the user to control the opening and closing of multiple components for subsequent use. Through the setting of the transparent plate, it is convenient for the user to check the working conditions inside the box at any time. Description of the Drawings

[0018] Figure 1This utility model provides a three-dimensional structural schematic diagram of a permanent magnet separator for removing iron from foundry sand;

[0019] Figure 2 This utility model provides a permanent magnet separator for removing iron from foundry sand Figure 1 of the sectional structural schematic diagram;

[0020] Figure 3 is the three-dimensional structural schematic diagram of the opening and the push plate;

[0021] Figure 4 is the three-dimensional structural schematic diagram of the cleaning plate, the sliding rod and the compression spring.

[0022] Legend: 1. Overall structure; 2. Auxiliary structure; 101. Box body; 102. Slide plate; 103. First electric push rod; 104. Control panel; 105. Servo motor; 106. Transparent plate; 107. Permanent magnet drum; 108. Rotating shaft; 109. Cleaning plate; 110. Opening; 111. Second electric push rod; 112. Push plate; 113. Connecting plate; 114. Sliding rod; 115. Compression spring; 201. Fixed rod; 202. Anti-slip support feet. Specific embodiments

[0023] In order to more clearly understand the above-mentioned objects, features and advantages of this utility model, the following further describes this utility model with reference to the drawings and embodiments. It should be noted that, without conflict, the embodiments of this application and the features in the embodiments can be combined with each other.

[0024] In the following description, many specific details are set forth in order to fully understand this utility model. However, this utility model can also be implemented in other ways different from those described herein. Therefore, this utility model is not limited by the specific embodiments disclosed in the following specification.

[0025] As Figures 1-4 shown, a permanent magnet separator for removing iron from foundry sand includes an overall structure 1 and an auxiliary structure 2. The auxiliary structure 2 is located at the front and rear positions on both sides of the bottom of the overall structure 1; the overall structure 1 includes a box body 101. The inner surfaces of both sides of the box body 101 are fixedly connected with a connecting plate 113 near the bottom position. The front and rear positions on both sides of the top of the connecting plate 113 are fixedly connected with a sliding rod 114. The extending end of the sliding rod 114 is fixedly connected with a cleaning plate 109. A compression spring 115 is sleeved on the outer surface of the sliding rod 114. The inner surface of the front side of the box body 101 is rotatably connected with a rotating shaft 108 near the top position on both sides. The rear end face of the rotating shaft 108 is fixedly connected with a permanent magnet drum 107. A servo motor 105 is fixedly installed on the outer surface of the front side of the box body 101 at the position of the rotating shaft 108. A first electric push rod 103 is fixedly installed near the center of the outer surface of the front side of the box body 101.

[0026] The cleaning plate 109 always and continuously uses the expansion force of the compression spring 115 to press its surface against the permanent magnet drum 107. Then, when the permanent magnet drum 107 operates subsequently, the cleaning plate 109 uses the expansion force of the compression spring 115 to scrape the permanent magnet drum 107 forcefully, so as to clean the iron impurities adsorbed on the surface and discharge them to the outside through the opening 110 via the conveyance of the cleaning plate 109 for the user to collect. After the overall operation, it can avoid the need to stop the machine during the cleaning operation, enabling the overall system to operate continuously and efficiently.

[0027] One end of the compression spring 115 is fixedly connected to the bottom surface of the cleaning plate 109, and the other end of the compression spring 115 is fixedly connected to the top surface of the connecting plate 113. The outer surface of the cleaning plate 109 is slidably connected to the outer surface of the permanent magnet drum 107. One end of the rotating shaft 108 penetrates the surface of the box body 101 and is fixedly connected to the output end of the servo motor 105, and the other end of the rotating shaft 108 is fixedly connected to the front outer surface of the permanent magnet drum 107. A control panel 104 is fixedly installed on one side of the front outer surface of the box body 101. A transparent plate 106 is fixedly connected to the position near the top of the front outer surface of the box body 101. A slide plate 102 is slidably connected to the position near the bottom of the front outer surface of the box body 101. The extending end of the first electric push rod 103 is fixedly connected to the top surface of the slide plate 102. Openings 110 are provided at the positions near the bottom of the two outer surfaces of the box body 101. Second electric push rods 111 are fixedly installed at the positions near the two sides of the bottom of the rear inner surface of the box body 101. The extending end of the second electric push rod 111 is fixedly connected to a push plate 112. The bottom surface of the push plate 112 is slidably connected to the inner bottom of the box body 101. The auxiliary structure 2 includes a fixed rod 201, and an anti-slip support foot 202 is fixedly connected to the bottom end surface of the fixed rod 201. The auxiliary structure 2 includes a fixed rod 201, and an anti-slip support foot 202 is fixedly connected to the bottom end surface of the fixed rod 201.

[0028] By the telescoping of the second electric push rod 111, it can drive the push plate 112 to move back and forth on the inner bottom of the box body 101. When moving, the casting sand at the inner bottom of the box body 101 can be pushed forward for the user to take out subsequently. And by the telescoping of the first electric push rod 103, it can drive the slide plate 102 to move up and down to facilitate the user to take out the casting sand at the inner bottom of the box body 101. The cooperation of multiple components realizes automation and reduces the labor force of workers. During the actual use process, the control panel 104 is electrically connected to multiple components for the user to control the opening and closing.

[0029] The above are only the preferred embodiments of the present utility model, and are not intended to limit the present utility model in other forms. Any person skilled in the relevant art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes and apply them to other fields. However, as long as they do not depart from the technical solution content of the present utility model, any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A permanent magnet separator for removing iron from foundry sand, characterized in that, Including: An overall structure (1) and an auxiliary structure (2), the auxiliary structure (2) being located at the front and rear positions on both sides of the bottom of the overall structure (1); The overall structure (1) includes a box body (101). On the inner surfaces of both sides of the box body (101) near the bottom position, connecting plates (113) are fixedly connected. At the front and rear positions on both sides of the top of the connecting plates (113), sliding rods (114) are fixedly connected. The extending ends of the sliding rods (114) are fixedly connected with cleaning plates (109). A compression spring (115) is sleeved on the outer surface of the sliding rods (114). On the inner surface of the front side of the box body (101) near the top position on both sides, a rotating shaft (108) is rotatably connected. On the rear end face of the rotating shaft (108), a permanent magnet drum (107) is fixedly connected. On the outer surface of the front side of the box body (101) at the position of the rotating shaft (108), a servo motor (105) is fixedly installed. Near the center of the outer surface of the front side of the box body (101), a first electric push rod (103) is fixedly installed.

2. The permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: One end of the compression spring (115) is fixedly connected with the bottom surface of the cleaning plate (109), and the other end of the compression spring (115) is fixedly connected with the top surface of the connecting plate (113). The outer surface of the cleaning plate (109) is in sliding connection with the outer surface of the permanent magnet drum (107).

3. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: One end of the rotating shaft (108) penetrates through the surface of the box body (101) and is fixedly connected with the output end of the servo motor (105), and the other end of the rotating shaft (108) is fixedly connected with the front outer surface of the permanent magnet drum (107).

4. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: On the outer surface of the front side of the box body (101) near the bottom, a sliding plate (102) is slidably connected. The extending end of the first electric push rod (103) is fixedly connected with the top surface of the sliding plate (102).

5. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: On the outer surfaces of both sides of the box body (101) near the bottom position, openings (110) are provided. On the inner surface of the rear side of the box body (101) near the bottom on both sides, second electric push rods (111) are fixedly installed. The extending ends of the second electric push rods (111) are fixedly connected with push plates (112). The bottom surface of the push plates (112) is in sliding connection with the inner bottom of the box body (101).

6. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: The auxiliary structure (2) includes a fixed rod (201). On the bottom end face of the fixed rod (201), an anti-slip support foot (202) is fixedly connected.

7. A permanent magnet separator for removing iron from foundry sand according to claim 6, characterized in that: The top end face of the fixed rod (201) is fixedly connected with the bottom surface of the box body (101).

8. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: On one side of the outer surface of the front side of the box body (101), a control panel (104) is fixedly installed.

9. A permanent magnet separator for removing iron from foundry sand according to claim 1, characterized in that: On the outer surface of the front side of the box body (101) near the top position, a transparent plate (106) is fixedly connected.

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