Cooling sand shooting device with filtering function

Abstract

The utility model discloses a cooling sand shooting device with a filtering function, which relates to the technical field of casting modeling and can solve the technical problem that a cooling channel of the casting sand shooting device is blocked, a cooling plate is provided with a channel and a cooling plate through hole communicated with the channel, and a sealing plate is detachably connected above the cooling plate. The channel and the bottom surface of the sealing plate jointly form a cooling medium channel; a sealing plate through hole is formed in the sealing plate; the sealing plate through hole and the cooling plate through hole are communicated to form a sand shooting nozzle mounting hole; the sand shooting assembly comprises a sand shooting nozzle, the middle section of the sand shooting nozzle is arranged in the sand shooting nozzle mounting hole in a penetrating mode, the upper section of the sand shooting nozzle extends to the position above the sand shooting nozzle mounting hole, and the lower section of the sand shooting nozzle extends to the position below the sand shooting nozzle mounting hole. And the filtering assembly is connected to an inlet of the cooling medium channel, so that the cooling medium is filtered by the filtering assembly and then cools the sand shooting nozzle. The cooling device can be used for casting the sand shooting device and can prevent the cooling channel from being blocked.

Description

Technical Field

[0001] The utility model relates to the technical field of casting and molding, in particular to a cooling sand-shooting device with a filtering function. Background Art

[0002] In traditional casting hot core box core making equipment, most of them do not have cooling for the sand shooting mechanism. Since the core making temperature of the hot core box is mostly 200~250℃, after the sand shooting process, a part of the resin-coated sand is cured at high temperature in the sand shooting nozzle, thereby forming sand shooting columns. These sand shooting columns remain on the required hot core and need to be processed by manual grinding in the later stage. This is time-consuming, inefficient, and affects the surface quality of the sand core. Casting problems are prone to occur in castings, posing a great quality risk.

[0003] In the hot-box core-making equipment industry, each sandblasting mechanism in hot-box core-making equipment with a built-in cooling system has a water inlet and outlet. Each sandblasting nozzle is equipped with a cooling system. Damage to the nozzle requires a complete replacement of the cooling system. This results in a complex structure, inconvenient installation, high cost, and high maintenance. Furthermore, the cooling system lacks a purification device, and the sandblasting mechanisms are typically made of low-alloy steel, which is prone to rust. Over time, impurities in the cooling medium can clog the cooling channels, affecting cooling efficiency, significantly reducing the lifespan of the equipment and its accessories, and posing a significant safety risk.

[0004] The sand shooting nozzles and sand shooting sleeves currently available on the market are welded together. If the sand shooting sleeve is worn out, the entire sand shooting mechanism needs to be replaced, resulting in high maintenance costs, troublesome installation, low efficiency, and high labor intensity. Utility Model Content

[0005] In order to solve one or more technical problems in the prior art, the utility model provides a cooling sand-shooting device with a filtering function.

[0006] A cooling sand-shooting device with filtering effect:

[0007] Includes sand shooting assembly, cooling plate, sealing plate and filter assembly;

[0008] The cooling plate is provided with a groove and a cooling plate through-hole communicating with the groove, and the sealing plate is detachably connected above the cooling plate so that the groove and the bottom surface of the sealing plate together form a cooling medium channel;

[0009] The sealing plate is provided with a sealing plate through hole, and the sealing plate through hole and the cooling plate through hole are connected to form a sand shooting nozzle mounting hole;

[0010] The sand shooting assembly includes a sand shooting nozzle, the middle section of the sand shooting nozzle is inserted into the sand shooting nozzle mounting hole, the upper section of the sand shooting nozzle extends above the sand shooting nozzle mounting hole, and the lower section of the sand shooting nozzle extends below the sand shooting nozzle mounting hole;

[0011] The filter assembly is connected to the inlet of the cooling medium channel, so that the cooling medium is first filtered by the filter assembly and then cools the sand shooting nozzle.

[0012] Preferably, the cooling plate is further provided with a first sealing groove, which is arranged along the periphery of the channel. A sealing strip is embedded in the first sealing groove to seal the gap at the connection between the cooling plate and the sealing plate.

[0013] Preferably, a first gap cavity exists between the inner wall of the through hole of the cooling plate and the outer wall of the middle section of the sand shooting nozzle, and the first gap cavity is communicated with the cooling medium channel.

[0014] Preferably, the sand shooting assembly further comprises a sand shooting sleeve, which is arranged on the outer side of the lower section of the sand shooting nozzle, the upper end of the sand shooting sleeve is connected to the outer side of the through hole of the cooling plate by screws, and the lower end of the sand shooting sleeve is connected to the sand shooting part located at the lower section of the sand shooting nozzle;

[0015] A second gap cavity is provided between the inner wall of the sand shooting sleeve and the outer wall of the lower section of the sand shooting nozzle, and the second gap cavity is communicated with the first gap cavity.

[0016] Preferably, a second sealing groove is provided at the upper end of the sand-shooting sleeve, and the second sealing groove is located at the periphery of the through hole of the cooling plate. A sealing ring is embedded in the second sealing groove to seal the gap at the connection between the cooling plate and the sand-shooting sleeve.

[0017] Preferably, a third sealing groove is provided at the lower end of the sand shooting sleeve, and a fourth sealing groove is provided on the sand shooting part. Sealing rings are embedded in the third sealing groove and the fourth sealing groove to seal the gap at the connection between the sand shooting sleeve and the sand shooting part.

[0018] The sand shooting assembly further includes a protective cover, which covers the main body of the sand shooting part and the connection between the sand shooting part and the sand shooting cover.

[0019] Preferably, a fifth sealing groove and a sixth sealing groove are provided on the inner wall of the through hole of the sealing plate, and a sealing ring is embedded in each of the fifth sealing groove and the sixth sealing groove to seal the gap between the sealing plate and the upper section of the sand shooting nozzle;

[0020] The upper section of the sand shooting nozzle is provided with an external thread, and the upper section of the sand shooting nozzle is connected to the top surface of the sealing plate through a nut and a gasket.

[0021] Preferably, the lower end of the sand shooting nozzle is provided with a chamfer.

[0022] Preferably, the filter assembly includes a filter cover, a filter barrel and a filter screen;

[0023] The filter cover is provided with a filter inlet joint, and the filter cover is connected to the front end of the filter barrel by fastening bolts;

[0024] The filter barrel is provided with a filter outlet joint, and the filter assembly is connected to the inlet of the cooling medium channel through the filter outlet joint;

[0025] The filter screen is arranged inside the filter barrel, and the front end of the filter screen is embedded in the connection between the filter cover and the filter barrel;

[0026] A seventh sealing groove is provided at the front end of the filter barrel, and a sealing ring is embedded in the seventh sealing groove to seal the gap at the connection between the filter cover and the filter barrel.

[0027] Preferably, the filter outlet connector is provided with an external thread, the inlet of the cooling medium channel is provided with an internal thread, and the filter outlet connector is threadedly connected to the inlet of the cooling medium channel;

[0028] The cooling plate is further provided with an eighth sealing groove, which is arranged at the periphery of the inlet of the cooling medium channel. A sealing strip is embedded in the eighth sealing groove to seal the gap at the connection between the filter outlet joint and the inlet of the cooling medium channel.

[0029] Beneficial effects of the utility model:

[0030] The utility model can solve the shortcomings of traditional hot core box core making by using a cooling sand-shooting device with a filtering function, so that no sand-shooting column remains on the hot core, thereby improving the surface quality of the sand core and the core making efficiency, and reducing labor intensity; the cooling medium is purer, the cooling effect is better, and better rust protection can be provided for the mold and accessories; when replacing accessories, it is more convenient and faster, and the maintenance cost is lower. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation to the present invention.

[0032] Figure 1 This is a schematic diagram of a cooling sand-shooting device with filtering function according to an embodiment of the present invention. Figure 1 ;

[0033] Figure 2This is a schematic diagram of a cooling sand-shooting device with filtering function according to an embodiment of the present invention. Figure 2 ;

[0034] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0035] Figure 4 yes Figure 2 Enlarged view of point B in the middle;

[0036] Figure 5 yes Figure 2 Enlarged view of point C in the middle;

[0037] Figure 6 yes Figure 2 Enlarged view of point D in the middle;

[0038] Figure 7 yes Figure 2 Enlarged view of point E in the middle;

[0039] Figure 8 yes Figure 2 Enlarged view of point F in the middle;

[0040] In the picture:

[0041] 1. Cooling plate; 11. Channel; 12. Cooling plate through hole; 13. First sealing groove; 14. Second sealing groove; 15. Eighth sealing groove;

[0042] 2. Sealing plate; 21. Sealing plate through hole; 211. Fifth sealing groove; 212. Sixth sealing groove;

[0043] 3. Sand blasting assembly; 31. Sand blasting nozzle; 311. Sand blasting unit; 3111. Fourth sealing groove; 312. Chamfer; 32. Sand blasting sleeve; 321. Third sealing groove; 33. Screw; 34. Protective sleeve; 35. Nut; 36. Gasket;

[0044] 4. Filter assembly; 41. Filter cover; 411. Filter inlet connector; 42. Filter barrel; 421. Filter outlet connector; 422. Seventh sealing groove; 43. Filter screen; 44. Fastening bolts;

[0045] 5. Cooling medium channel;

[0046] 6. First interstitial cavity;

[0047] 7. Second interstitial cavity. DETAILED DESCRIPTION

[0048] The utility model can be applied to hot core box coated sand core making in the foundry industry. Through a cooling sand shooting device with a filtering function, the cooling medium can be purified, the cooling channel can be prevented from being blocked and the sand shooting mechanism from being rusted. Moreover, the accessories can be quickly replaced, thus being applied to the production of hot core box sand cores without sand shooting columns.

[0049] The present application will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments. Each example is provided by way of explanation of the present application and does not limit the present application. In fact, it will be clear to those skilled in the art that modifications and variations can be made in the present application without departing from the scope or spirit of the present application. For example, a feature shown or described as part of one embodiment can be used in another embodiment to produce yet another embodiment. Therefore, it is expected that the present application includes such modifications and variations within the scope of the appended claims and their equivalents.

[0050] In the description of this application, the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and do not require that this application must be constructed and operated in a specific orientation. Therefore, they should not be understood as limitations on this application. The terms "connected", "connected", and "set" used in this application should be understood in a broad sense. For example, they can be fixed connections or detachable connections; they can be directly connected or indirectly connected through intermediate components. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0051] Example 1:

[0052] like Figures 1 to 8 As shown, a cooling sand-shooting device with filtering effect:

[0053] It includes a sand shooting assembly 3, a cooling plate 1, a sealing plate 2 and a filter assembly 4;

[0054] The cooling plate 1 is provided with a groove 11 and a cooling plate through-hole 12 communicating with the groove 11. The sealing plate 2 is detachably connected to the top of the cooling plate 1 so that the groove 11 and the bottom surface of the sealing plate 2 together form a cooling medium channel 5.

[0055] The sealing plate 2 is provided with a sealing plate through hole 21, which is connected with the cooling plate through hole 12 to form a sand-shooting nozzle mounting hole;

[0056] The sand shooting assembly 3 includes a sand shooting nozzle 31. The middle section of the sand shooting nozzle 31 is inserted into the sand shooting nozzle mounting hole. The upper section of the sand shooting nozzle 31 extends above the sand shooting nozzle mounting hole. The lower section of the sand shooting nozzle 31 extends below the sand shooting nozzle mounting hole.

[0057] The filter assembly 4 is connected to the inlet of the cooling medium channel 5 so that the cooling medium is first filtered by the filter assembly 4 and then cools the sand shooting nozzle 31 .

[0058] In specific implementation, the cooling medium can be purified by the filter assembly 4 and then enter the channel ( Figure 2 → in it indicates the flow path of the cooling medium), which flows around the sand-shooting nozzle 31 to take away the heat, thereby cooling the sand-shooting nozzle 31 and preventing the coated sand from solidifying due to high temperature. In the specific setting, a gap for the circulation of the cooling medium is reserved between the outer wall of the sand-shooting nozzle 31 and the inner wall of the groove 11 to ensure the smooth flow of the medium. The cooling plate 1 can be made of a metal material with good thermal conductivity, good mechanical properties and easy processing. The connection between the cooling plate 1 and the sealing plate 2 can be a hydraulic compression connection. For example, the cooling plate 1 and the sealing plate 2 are placed in a hydraulic device, and the hydraulic oil pushes the piston or hydraulic cylinder to generate pressure to make the two fit tightly; or hydraulic pliers can be used, which are easy to operate and suitable for small devices. The cooling plate 1 and the sealing plate 2 can also be connected by bolts, snaps or other detachable connections.

[0059] In the prior art, the cooling system of a sandblasting device typically lacks integrated filtering, and the installation of the sandblasting nozzle 31 can easily lead to clogging of the cooling channel. The present invention reduces clogging of the cooling channel 5 by installing a filter assembly 4 at the inlet of the cooling channel 5. Furthermore, by detachably attaching the sealing plate 2 above the cooling plate 1 to form the cooling channel 5, timely cleaning and maintenance of the cooling channel 5 are facilitated, thus resolving the clogging and corrosion issues of conventional equipment.

[0060] Example 2:

[0061] Furthermore, a first sealing groove 13 is provided on the cooling plate 1 . The first sealing groove 13 is arranged along the periphery of the channel 11 . A sealing strip is embedded in the first sealing groove 13 to seal the gap at the connection between the cooling plate 1 and the sealing plate 2 .

[0062] Example 3:

[0063] Furthermore, a first gap cavity 6 exists between the inner wall of the cooling plate through hole 12 and the outer wall of the middle section of the sand shooting nozzle 31 , and the first gap cavity 6 is communicated with the cooling medium channel 5 .

[0064] In practice, the provision of the first gap cavity 6 can increase the cooling area of the sandblasting nozzle 31. After the cooling medium enters the cooling medium channel 5, part of it flows into the first gap cavity 6, making full contact with the outer wall of the middle section of the sandblasting nozzle 31, removing heat, reducing the temperature of the sandblasting nozzle 31, and maintaining the stability of the sandblasting process.

[0065] Example 4:

[0066] Furthermore, the sand shooting assembly 3 further includes a sand shooting sleeve 32, which is sleeved on the outer side of the lower section of the sand shooting nozzle 31. The upper end of the sand shooting sleeve 32 is connected to the outer side of the cooling plate through hole 12 by a screw 33, and the lower end of the sand shooting sleeve 32 is connected to the sand shooting portion 311 located at the lower section of the sand shooting nozzle 31.

[0067] A second gap cavity 7 exists between the inner wall of the sand-shooting sleeve 32 and the outer wall of the lower section of the sand-shooting nozzle 31 , and the second gap cavity 7 is communicated with the first gap cavity 6 .

[0068] During specific implementation, the connection between the second gap cavity 7 and the first gap cavity 6 can further increase the cooling area of the sand shooting nozzle 31. The cooling medium flows in the second gap cavity 7, contacts the lower section of the sand shooting nozzle 31 and the inner wall of the sand shooting sleeve 32, and takes away heat. The temperature of the lower section of the sand shooting nozzle 31 is reduced, and the sand shooting sleeve 32 also maintains a normal temperature under the action of the cooling medium to prevent overheating and deformation, thereby ensuring the matching accuracy with the sand shooting nozzle 31 and ensuring a smooth sand shooting process. In addition to the connection with the screw 33, the sand shooting sleeve 32 and the outer side of the cooling plate through hole 12 can also be connected by threads, and the outer side of the sand shooting sleeve 32 is machined into threads, which are matched with the inner threads of the cooling plate through hole 12 to achieve connection; or a snap connection is adopted, and a snap is designed on the sand shooting sleeve 32 or the cooling plate 1, which is fastened and fixed by the snap. On the one hand, the sand shooting sleeve 32 can form impact protection for the sand shooting nozzle 31, and on the other hand, it can also serve as a thermal barrier to reduce the heat exchange between the sand shooting nozzle 31 and the external high-temperature environment.

[0069] Example 5:

[0070] Furthermore, a second sealing groove 14 is provided at the upper end of the sand-shooting sleeve 32 . The second sealing groove 14 is arranged on the periphery of the cooling plate through hole 12 . A sealing ring is embedded in the second sealing groove 14 to seal the gap at the connection between the cooling plate 1 and the sand-shooting sleeve 32 .

[0071] In specific implementation, in addition to setting the second sealing groove 14 and embedding the sealing ring at the upper end of the sand shooting sleeve 32, sealant can also be applied to the connection between the cooling plate through hole 12 and the sand shooting sleeve 32 to form a sealing layer after the sealant is cured.

[0072] Example 6:

[0073] Furthermore, a third sealing groove 321 is provided at the lower end of the sand shooting sleeve 32, and a fourth sealing groove 3111 is provided on the sand shooting portion 311. Sealing rings are embedded in the third sealing groove 321 and the fourth sealing groove 3111 to seal the gap at the connection between the sand shooting sleeve 32 and the sand shooting portion 311.

[0074] The sand-shooting assembly 3 further includes a protective cover 34 , which covers the main body of the sand-shooting portion 311 and the connection between the sand-shooting portion 311 and the sand-shooting cover 32 .

[0075] In practice, by distributing two sealing structures (the third sealing groove 321 + sealing ring, and the fourth sealing groove 3111 + sealing ring) on the sand-shooting sleeve 32 and the sand-shooting portion 311, respectively, the sealing pressure can be dispersed, improving sealing reliability. If only one sealing groove is provided, failure of the seal at that location can easily lead to leakage of the cooling medium. However, separate sealing structures ensure that if one seal fails, the other can still provide a seal, extending the sealing life of the entire device. The protective sleeve 34 can be made of rubber, nylon, polytetrafluoroethylene, or other materials.

[0076] Example 7:

[0077] Furthermore, a fifth sealing groove 211 and a sixth sealing groove 212 are provided on the inner wall of the sealing plate through hole 21. Sealing rings are embedded in the fifth sealing groove 211 and the sixth sealing groove 212 to seal the gap between the sealing plate 2 and the upper section of the sand shooting nozzle 31.

[0078] The upper section of the sand shooting nozzle 31 is provided with an external thread, and the upper section of the sand shooting nozzle 31 is connected to the top surface of the sealing plate 2 through a nut 35 and a gasket 36 .

[0079] During specific implementation, the fifth sealing groove 211 and the sixth sealing groove 212 are embedded with sealing rings, which can seal the gap between the sealing plate 2 and the upper section of the sand shooting nozzle 31 to prevent leakage of the cooling medium and ensure the normal operation of the cooling system. Combined with the sand shooting sleeve 32, the sealing performance of the entire sand shooting assembly 3 is further improved. The sand shooting sleeve 32 realizes the connection between the sand shooting nozzle 31 and the cooling plate 1, and the nut 35 and the gasket 36 realize the connection between the sand shooting nozzle 31 and the sealing plate 2. Loosen the nut 35 and remove the upper section of the sand shooting nozzle 31 to quickly replace the damaged parts of the sand shooting nozzle 31 and realize the quick-change function. The sealing cooperation between the nut 35 and the gasket 36 and the sealing plate through hole 21 can enhance the sealing performance of the connection between the sand shooting nozzle 31 and the sealing plate 2, ensure that the cooling medium does not leak under high pressure, and ensure the cooling effect.

[0080] Example 8:

[0081] Furthermore, a chamfer 312 is provided at the lower end of the sand shooting nozzle 31 .

[0082] In specific implementation, the lower end structure of the sand shooting nozzle 31 is designed as a chamfer 312, which can form an incision at the root of the sand shooting column, making it easier to cut the sand shooting column at the root, ensuring the flatness of the sand core surface, reducing manual trimming, improving production efficiency, and ensuring the quality of castings.

[0083] The sand-shooting nozzle 31 and the sand-shooting sleeve 32 in the above embodiment are split, and a double-layer sealing design is adopted on their respective sealing surfaces to prevent water leakage from the mating surfaces; and the split structure does not need to be replaced as a whole after the accessories are worn; the upper section of the sand-shooting nozzle 31 is tightened by the nut 35, and disassembly or installation is convenient and quick.

[0084] Example 9:

[0085] Furthermore, the filter assembly 4 includes a filter cover 41, a filter barrel 42 and a filter screen 43;

[0086] The filter cover 41 is provided with a filter inlet connector 411 , and the filter cover 41 is connected to the front end of the filter barrel 42 via fastening bolts 44 ;

[0087] The filter barrel 42 is provided with a filter outlet connector 421, and the filter assembly 4 is connected to the inlet of the cooling medium channel 5 through the filter outlet connector 421;

[0088] The filter screen 43 is disposed inside the filter barrel 42, and the front end of the filter screen 43 is embedded in the connection between the filter cover 41 and the filter barrel 42;

[0089] A seventh sealing groove 422 is provided at the front end of the filter barrel 42 . A sealing ring is embedded in the seventh sealing groove 422 to seal the gap at the connection between the filter cover 41 and the filter barrel 42 .

[0090] In a specific implementation, in addition to being connected by fastening bolts 44, the filter cover 41 and the filter barrel 42 can also be connected by threads. For example, the filter cover 41 is machined with internal threads, and the front end of the filter barrel 42 is machined with external threads, and the two threads are matched to achieve connection; or a snap connection is used to facilitate the removal and cleaning of the filter screen 43. The filter barrel 42 and the filter screen 43 can also be connected by snaps, and the snaps are clamped to the edge of the filter screen 43 to fix it; or the filter screen 43 can be pressed with a pressure plate, and then the pressure plate is fixed with bolts. The filter screen 43 can be made of a fiber mesh, a metal mesh, or a plastic mesh. The filter screen 43 can also be filled with filter media such as a ceramic filter element, an activated carbon filter layer, etc.

[0091] The cooling medium is filtered through filter 43 to remove impurities and oxides. Regular replacement of filter 43 ensures effective purification of the cooling medium. Because the present invention provides filtering, an aqueous solution containing a rust inhibitor can be used as the cooling medium. (Aqueous solutions containing rust inhibitors may contain undissolved rust inhibitor particles, which could cause blockage. However, filtering through filter assembly 4 fully removes these undissolved rust inhibitor particles, further enhancing rust protection for various components.) The filter inlet connector 411 can be a quick connector to facilitate connection between the cooling pipe that transports the cooling medium and the filter inlet connector 411.

[0092] The filter inlet connector 411 may be a quick connector to facilitate connection between the cooling pipe for conveying the cooling medium and the filter inlet connector 411 .

[0093] Example 10:

[0094] Furthermore, the filter outlet connector 421 is provided with an external thread, and the inlet of the cooling medium channel 5 is provided with an internal thread, and the filter outlet connector 421 is threadedly connected to the inlet of the cooling medium channel 5;

[0095] The cooling plate 1 is further provided with an eighth sealing groove 15 , which is arranged at the periphery of the inlet of the cooling medium channel 5 . A sealing strip is embedded in the eighth sealing groove 15 to seal the gap at the connection between the filter outlet joint 421 and the inlet of the cooling medium channel 5 .

[0096] In a specific implementation, the filter outlet connector 421 and the inlet of the cooling medium channel 5 may be connected by a quick-connect connector, a flange connection, etc. in addition to a threaded connection.

[0097] When using the utility model, the following operations can be performed:

[0098] When using the present invention specifically, the following operations can be performed: the filter cover 41 is connected to the filter barrel 42 by fastening bolts 44, and the mating surface is sealed by a sealing ring, and the filter screen 43 is positioned and fixed by a groove inside; the end of the filter barrel 42 is designed to be a threaded structure and screwed into the cooling plate 1, and its mating surface is sealed by a sealing ring; the sand shooting sleeve 32 is fixedly connected to the cooling plate 1 by screws 33, and its contact surface is sealed by a sealing ring; the sand shooting nozzle 31 is tightened and fixed on the sealing plate 2 by nuts 35 and gaskets 36, and the lower end is limited by the sand shooting sleeve 32. A double-layer sealing ring design is adopted between the sand shooting nozzle 31 and the sealing plate 2, and between the sand shooting nozzle 31 and the sand shooting sleeve 32; the protective sleeve 34 can be made of a high-temperature resistant rubber sleeve, which is buckled in the slot of the sand shooting sleeve 32 with a soft connection to play a protective role. The cooling medium passes through the filter assembly 4 to filter out impurities, and the purified cooling medium can enter the cavity (the first gap cavity 6 and the second gap cavity 7) formed by the sand shooting sleeve 32 and the sand shooting nozzle 31 along the cooling channel, and circulate the cooling of the sand shooting nozzle 31 to ensure the use effect.

[0099] This utility model filters impurities, purifies the cooling medium, prevents cooling channel blockage, and protects accessories from rust. It also provides a quick-change feature for the sandblasting mechanism (enabling rapid replacement of the sandblasting nozzle 31). Furthermore, the chamfer 312 at the lower end of the sandblasting nozzle 31 automatically removes any residual sand from the base of the sandblasting column. This solution extends the equipment's service life, reduces safety risks, lowers production costs, improves labor efficiency, enhances the surface quality of the hot core, and improves the overall quality of the casting.

[0100] In summary, the utility model can be used for a casting sand shooting device, has a simple structure, is easy to process, and is convenient to disassemble, and can clean the cooling medium channel 5 to prevent the cooling channel from being blocked.

[0101] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, various modifications and variations of the present application are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A cooling sand-shooting device with filtering function, comprising a sand-shooting assembly (3), characterized in that: It also includes a cooling plate (1), a sealing plate (2) and a filter assembly (4); The cooling plate (1) is provided with a groove (11) and a cooling plate through hole (12) communicating with the groove (11); the sealing plate (2) is detachably connected to the top of the cooling plate (1) so that the groove (11) and the bottom surface of the sealing plate (2) together form a cooling medium channel (5); The sealing plate (2) is provided with a sealing plate through hole (21), and the sealing plate through hole (21) and the cooling plate through hole (12) are connected to form a sand-shooting nozzle mounting hole; The sand shooting assembly (3) comprises a sand shooting nozzle (31), a middle section of the sand shooting nozzle (31) is inserted into the sand shooting nozzle mounting hole, an upper section of the sand shooting nozzle (31) extends above the sand shooting nozzle mounting hole, and a lower section of the sand shooting nozzle (31) extends below the sand shooting nozzle mounting hole; The filter assembly (4) is connected to the inlet of the cooling medium channel (5), so that the cooling medium is first filtered by the filter assembly (4) and then cools the sand shooting nozzle (31).

2. The cooling sand-shooting device with filtering function according to claim 1, characterized in that: The cooling plate (1) is further provided with a first sealing groove (13), which is arranged along the periphery of the channel (11). A sealing strip is embedded in the first sealing groove (13) to seal the gap at the connection between the cooling plate (1) and the sealing plate (2).

3. The cooling sand-shooting device with filtering function according to claim 1, characterized in that: A first gap cavity (6) exists between the inner wall of the cooling plate through hole (12) and the outer wall of the middle section of the sand shooting nozzle (31), and the first gap cavity (6) is in communication with the cooling medium channel (5).

4. The cooling sand-shooting device with filtering function according to claim 3, characterized in that: The sand-shooting assembly (3) further includes a sand-shooting sleeve (32), which is sleeved on the outer side of the lower section of the sand-shooting nozzle (31), the upper end of the sand-shooting sleeve (32) is connected to the outer side of the cooling plate through hole (12) via a screw (33), and the lower end of the sand-shooting sleeve (32) is connected to the sand-shooting portion (311) located at the lower section of the sand-shooting nozzle (31); A second gap cavity (7) exists between the inner wall of the sand-shooting sleeve (32) and the outer wall of the lower section of the sand-shooting nozzle (31), and the second gap cavity (7) is communicated with the first gap cavity (6).

5. The cooling sand-shooting device with filtering function according to claim 4, characterized in that: A second sealing groove (14) is provided at the upper end of the sand-blasting sleeve (32), and the second sealing groove (14) is located at the periphery of the cooling plate through hole (12). A sealing ring is embedded in the second sealing groove (14) to seal the gap at the connection between the cooling plate (1) and the sand-blasting sleeve (32).

6. The cooling sand-shooting device with filtering function according to claim 5, characterized in that: A third sealing groove (321) is provided at the lower end of the sand shooting sleeve (32), and a fourth sealing groove (3111) is provided on the sand shooting portion (311). Sealing rings are embedded in the third sealing groove (321) and the fourth sealing groove (3111) to seal the gap at the connection between the sand shooting sleeve (32) and the sand shooting portion (311); The sand shooting assembly (3) further comprises a protective sleeve (34), wherein the protective sleeve (34) wraps the main body of the sand shooting part (311) and the connection between the sand shooting part (311) and the sand shooting sleeve (32).

7. The cooling sand-shooting device with filtering function according to any one of claims 4 to 6, characterized in that: A fifth sealing groove (211) and a sixth sealing groove (212) are provided on the inner wall of the sealing plate through hole (21), and sealing rings are embedded in the fifth sealing groove (211) and the sixth sealing groove (212) to seal the gap between the sealing plate (2) and the upper section of the sand shooting nozzle (31); The upper section of the sand shooting nozzle (31) is provided with an external thread, and the upper section of the sand shooting nozzle (31) is connected to the top surface of the sealing plate (2) via a nut (35) and a gasket (36).

8. The cooling sand-shooting device with filtering function according to claim 1, characterized in that: The lower end of the sand shooting nozzle (31) is provided with a chamfer (312).

9. The cooling sand-shooting device with filtering function according to claim 1, characterized in that: The filter assembly (4) includes a filter cover (41), a filter barrel (42) and a filter screen (43); The filter cover (41) is provided with a filter inlet joint (411), and the filter cover (41) is connected to the front end of the filter barrel (42) via a fastening bolt (44); The filter barrel (42) is provided with a filter outlet joint (421), and the filter assembly (4) is connected to the inlet of the cooling medium channel (5) via the filter outlet joint (421); The filter screen (43) is arranged inside the filter barrel (42), and the front end of the filter screen (43) is embedded in the connection between the filter cover (41) and the filter barrel (42); A seventh sealing groove (422) is provided at the front end of the filter barrel (42), and a sealing ring is embedded in the seventh sealing groove (422) to seal the gap at the connection between the filter cover (41) and the filter barrel (42).

10. The cooling sand-shooting device with filtering function according to claim 9, characterized in that: The filter outlet connector (421) is provided with an external thread, the inlet of the cooling medium channel (5) is provided with an internal thread, and the filter outlet connector (421) is threadedly connected to the inlet of the cooling medium channel (5); The cooling plate (1) is further provided with an eighth sealing groove (15), which is arranged at the periphery of the inlet of the cooling medium channel (5), and a sealing strip is embedded in the eighth sealing groove (15) to seal the gap at the connection between the filter outlet joint (421) and the inlet of the cooling medium channel (5).

Images