Casting sand conveying device with screening mechanism for casting
By designing a casting sand conveying device equipped with a screening mechanism and using a vibrating guide plate to accelerate the screening speed, the problem of unsatisfactory casting sand screening in the existing technology has been solved, and multiple screenings and high-efficiency screening have been achieved. Effect.
Patent Information
- Application Number
- CN202421673991.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-16
- Publication Date
- 2025-01-24
- Estimated Expiration
- 2034-07-16
AI Technical Summary
The existing cast sand screening device can only perform filtration and screening once, and the screening effect is not ideal, making it difficult to effectively remove large particles of debris.
A casting sand conveying device with a screening mechanism is designed. A screening device is installed in the box. The screening device includes a fixed shaft, a spiral guide plate, a vibration motor, etc., and the screening is accelerated by vibrating the guide plate. speed to avoid clogging of the mesh and sieve according to the diameter of the foundry sand.
It achieves multiple screenings, improves the fineness of the foundry sand, ensures the uniformity of the sand particles, avoids mesh clogging, and improves the screening efficiency.
Smart Images
Figure CN222385854U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foundry sand conveying devices, in particular to a foundry sand conveying device with a screening mechanism. Background Art
[0002] Foundry sand is a modeling material used to prepare molding sand and core sand in casting production. When clay is used as a molding sand binder, about 1 ton of new sand is needed to produce 1 ton of qualified castings. Therefore, the amount of foundry sand used in sand casting production is the largest.
[0003] Generally, foundry sand needs to be screened before use and then transported to the next processing link through a conveying device, and large particles and other impurities in the foundry sand are removed to ensure the fineness of the sand particles. However, when screening foundry sand in the prior art, only one filtering and screening is performed, and the screening effect is not ideal. Utility Model Content
[0004] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a casting sand conveying device with a screening mechanism.
[0005] The utility model adopts the following technical solution to solve the technical problem: a casting sand conveying device with a screening mechanism for casting, comprising a box body, a screening device arranged in the box body, the screening device comprising a fixed shaft, the fixed shaft is coaxially arranged with the box body, and the two ends of the fixed shaft are respectively slidably connected with the top wall and the bottom wall of the box body, a plurality of groups of spiral guide plates are fixedly arranged on the fixed shaft, the plurality of groups of spiral guide plates are evenly arranged and the outer edges are in contact with the inner wall of the box body, a vibration motor is arranged on the mounting plate at the top of the fixed shaft, a support plate is arranged at the bottom of the box body, a guide column is vertically arranged on the support plate, the guide column is slidably connected with the fixed shaft, and a spring is arranged between the guide column and the fixed shaft.
[0006] Furthermore, the support plate is connected to the box body through a connecting rod, a limit block is provided on the top of the guide column, the limit block is movably arranged in the slide groove at the bottom of the fixed shaft, and the spring is fixedly connected to the limit block and the top wall of the slide groove.
[0007] Furthermore, the guide plates are, from top to bottom, the first guide plate, the second guide plate and the third guide plate, the side wall of the box body is provided with a plurality of discharge ports, the discharge ports are respectively provided with the first discharge plate, the second discharge plate and the third discharge plate, the first discharge plate, the second discharge plate and the third discharge plate are respectively fixedly connected to the ends of the first guide plate, the second guide plate and the third guide plate.
[0008] Furthermore, the first material guide plate and the second material guide plate are both provided with material dropping mesh holes, and the first material discharge plate, the second material discharge plate and the third material discharge plate are both provided with accordion rubber plates between the bottom and the side wall of the box body.
[0009] Furthermore, a blanking cylinder is provided on the top of the box body, and supporting legs are provided on the bottom of the box body.
[0010] The beneficial effect of the utility model is that the design of the utility model puts the foundry sand through the blanking tube on the top of the box body, the foundry sand slides downward through the extended guide plate and is screened through the blanking mesh holes, the vibration motor drives the guide plate to vibrate through the fixed shaft, so that the foundry sand on the guide plate falls through the blanking mesh holes to the lower guide plate, which speeds up the screening speed and avoids clogging of the mesh holes, thereby screening the foundry sand according to its diameter. After screening, the foundry sand of different diameters is discharged from the box body through the corresponding discharge plates, which is convenient for collection. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] The utility model is further described below in conjunction with the accompanying drawings and embodiments.
[0012] Figure 1 It is a schematic diagram of the utility model;
[0013] Figure 2 It is a cross-sectional view of the utility model;
[0014] Figure 3 for Figure 2 A partial enlarged view of area A.
[0015] In the figure, 1. box body, 2. fixed shaft, 3. mounting plate, 4. vibration motor, 5. support plate, 6. guide column, 7. spring, 8. limit block, 9. support leg, 10. slide groove, 11. first guide plate, 12. second guide plate, 13. third guide plate, 14. discharge port, 15. first discharge plate, 16. second discharge plate, 17. third discharge plate, 18. blanking mesh, 19. accordion rubber plate, 20. blanking barrel. DETAILED DESCRIPTION
[0016] In order to more clearly illustrate the technical solution of the utility model, the utility model is further described below in conjunction with the accompanying drawings. Obviously, the accompanying drawings described below are only one embodiment of the utility model. For ordinary technicians in this field, without paying any creative work, other embodiments can be obtained based on this drawing and embodiment, which all belong to the protection scope of the utility model.
[0017] like Figures 1 to 3As shown, a foundry sand conveying device with a screening mechanism for casting comprises a box body 1, in which a screening device is arranged, and the screening device comprises a fixed shaft 2, wherein the fixed shaft 2 is coaxially arranged with the box body 1 and both ends of the fixed shaft 2 are slidably connected with the top wall and the bottom wall of the box body 1 respectively, a plurality of groups of spiral guide plates are fixedly arranged on the fixed shaft 2, and the plurality of groups of spiral guide plates are evenly arranged and the outer edges are in contact with the inner wall of the box body 1, a vibration motor 4 is arranged on the mounting plate 3 on the top of the fixed shaft 2, a support plate 5 is arranged at the bottom of the box body 1, a guide column 6 is vertically arranged on the support plate 5, the guide column 6 is slidably connected with the fixed shaft 2, and a spring 7 is arranged between the guide column 6 and the fixed shaft 2.
[0018] like Figure 3 As shown, the support plate 5 is connected to the box body 1 through a connecting rod, a limit block 8 is provided on the top of the guide column 6, and the limit block 8 is movably arranged in the slide groove 10 at the bottom of the fixed shaft 2. The two ends of the spring 7 are respectively fixedly connected to the limit block 8 and the top wall of the slide groove 10, and the vibration motor 4 drives the fixed shaft 2 to move up and down along the guide column 6, so that the casting sand on the guide plate is vibrated and transported downward.
[0019] The guide plates are, from top to bottom, the first guide plate 11, the second guide plate 12 and the third guide plate 13. The side wall of the box body 1 is provided with a plurality of discharge ports 14, and the discharge ports 14 are respectively provided with a first discharge plate 15, a second discharge plate 16 and a third discharge plate 17. The first discharge plate 15, the second discharge plate 16 and the third discharge plate 17 are respectively fixedly connected to the ends of the first guide plate 11, the second guide plate 12 and the third guide plate 13. A blanking cylinder 20 is provided on the top of the box body 1. Blanking mesh holes 18 are provided on the first guide plate 11 and the second guide plate 12. The blanking mesh holes 18 on the first guide plate 11 The diameter is larger than the diameter of the drop mesh hole 18 on the second guide plate 12. The vibration motor 4 drives the guide plate to vibrate through the fixed shaft 2, so that the casting sand on the guide plate falls to the lower guide plate through the drop mesh hole 18, which speeds up the screening speed and avoids mesh blockage, thereby screening the casting sand according to its diameter. An accordion rubber plate 19 is provided between the bottom of the first discharge plate 15, the second discharge plate 16 and the third discharge plate 17 and the side wall of the box body 1. After screening, the casting sand of different diameters is discharged from the box body 1 through the corresponding discharge plate. The discharge plates have different lengths and different conveying distances, which is convenient for collecting casting sand of different diameters.
[0020] The bottom of the box body 1 is provided with supporting legs 9.
[0021] When the utility model is in use, foundry sand is dropped through the blanking cylinder 20 on the top of the box body 1, the foundry sand slides downward through the extended guide plate and is screened through the blanking mesh 18, the vibration motor 4 drives the guide plate to vibrate through the fixed shaft 2, so that the foundry sand on the guide plate falls to the lower guide plate through the blanking mesh 18, which speeds up the screening speed and avoids mesh blockage, thereby screening the foundry sand according to its diameter. After screening, the foundry sand of different diameters is discharged from the box body 1 through the corresponding discharge plate, which is convenient for collection.
[0022] The above embodiments are only exemplary embodiments of the present invention and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art may make various modifications or equivalent substitutions to the present invention within the essence and protection scope of the present invention, and such modifications or equivalent substitutions shall also be deemed to fall within the protection scope of the present invention.
Claims
1. A casting sand conveying device with a screening mechanism, comprising a box (1), characterized in that: A screening device is provided in the box body (1), and the screening device comprises a fixed shaft (2), the fixed shaft (2) is coaxially arranged with the box body (1), and the two ends of the fixed shaft (2) are respectively slidably connected to the top wall and the bottom wall of the box body (1), a plurality of groups of spiral guide plates are fixedly arranged on the fixed shaft (2), the plurality of groups of spiral guide plates are evenly arranged and the outer edges thereof are in contact with the inner wall of the box body (1), a vibration motor (4) is provided on the mounting plate (3) at the top of the fixed shaft (2), a support plate (5) is provided at the bottom of the box body (1), a guide column (6) is vertically arranged on the support plate (5), the guide column (6) is slidably connected to the fixed shaft (2), and a spring (7) is provided between the guide column (6) and the fixed shaft (2).
2. A casting sand conveying device with a screening mechanism according to claim 1, characterized in that: The support plate (5) is connected to the box body (1) through a connecting rod, a limit block (8) is provided on the top of the guide column (6), the limit block (8) is movably arranged in a slide groove (10) at the bottom of the fixed shaft (2), and the two ends of the spring (7) are respectively fixedly connected to the limit block (8) and the top wall of the slide groove (10).
3. The casting sand conveying device with a screening mechanism according to claim 1, characterized in that: The guide plates are, from top to bottom, a first guide plate (11), a second guide plate (12) and a third guide plate (13); a plurality of discharge ports (14) are provided on the side wall of the box body (1); a first discharge plate (15), a second discharge plate (16) and a third discharge plate (17) are provided in the discharge ports (14); the first discharge plate (15), the second discharge plate (16) and the third discharge plate (17) are fixedly connected to the ends of the first guide plate (11), the second guide plate (12) and the third guide plate (13), respectively.
4. The casting sand conveying device with a screening mechanism according to claim 3, characterized in that: The first material guide plate (11) and the second material guide plate (12) are both provided with material dropping mesh holes (18), and the first material discharge plate (15), the second material discharge plate (16) and the third material discharge plate (17) are both provided with accordion rubber plates (19) between their bottoms and the side walls of the box body (1).
5. The casting sand conveying device with a screening mechanism according to claim 1, characterized in that: The top of the box body (1) is provided with a blanking barrel (20), and the bottom of the box body (1) is provided with supporting legs (9).