Lost foam casting device for uniformly and continuously drying wear-resistant casting

Abstract

The invention relates to the technical field of lost foam casting of castings, in particular to a lost foam casting device for uniformly and continuously drying wear-resistant castings, which comprises a base, a supporting seat is fixedly connected to the lower end of the base, a casting groove is fixedly connected to the upper end of the supporting seat, and an air inlet pipe is fixedly connected to one side of the casting groove. A baffle is fixedly connected to the side, opposite to the air inlet pipe, of the casting groove, an air drying groove is formed in the casting groove, a bottom plate is arranged in the air drying groove, and a telescopic rod is fixedly connected to the lower end of the bottom plate. The knocking block can rapidly rebound through the spring rod B to knock the outer wall of the casting groove, so that the casting groove is vibrated, dry sand is automatically and uniformly vibrated when the dry sand is added, the situation that the dry sand part in the casting groove is hollowing and influences subsequent grinding tool manufacturing is prevented, meanwhile, manpower is reduced, and the production cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of lost foam casting of castings, in particular to a lost foam casting device for uniformly and continuously drying wear-resistant castings. Background Art

[0002] With the advancement of industrial modernization, the quality requirements for wear-resistant castings are becoming increasingly higher. For example, in the fields of mining machinery, metallurgical equipment, etc., wear-resistant castings need to withstand high-intensity friction and impact, and the uniformity and stability of their internal structure are crucial.

[0003] When the lost foam of traditional castings is air-dried, workers need to place the lost foam on a drying device to dry it, and then place the dried lost foam inside the casting tank and manually fill it with sand. When the workers fill the sand, the lost foam may shift inside the dry sand due to uneven sand feeding, thereby affecting the subsequent pouring. At the same time, after the dry sand enters the casting tank, the workers need to vibrate the dry sand manually or turn on a vibrator to make it uniform, which increases the complexity of the steps.

[0004] To this end, the present invention provides a lost foam casting device for uniformly and continuously drying wear-resistant castings to solve the above problems. Summary of the Invention

[0005] The present invention provides the following technical solution: a lost foam casting device for uniformly and continuously drying wear-resistant castings, comprising a base, the lower end of the base is fixedly connected to a support seat, the upper end of the support seat is fixedly connected to a casting groove, one side of the casting groove is fixedly connected to an air intake pipe, the casting groove is fixedly connected to a baffle on the opposite side of the air intake pipe, an air drying groove is provided inside the casting groove, a bottom plate is provided inside the air drying groove, a telescopic rod is fixedly connected to the lower end of the bottom plate, the end of the telescopic rod away from the bottom plate is fixedly connected to a connecting rod A, a spring rod A is provided on the outside of the air intake pipe, and the spring rod A is away from the air intake pipe. One end is fixedly connected to a connecting rod B. The lower end of the base is movably connected to a movable plate. One end of the movable plate is fixedly connected to a spring A. Guide rails are set on both sides of the spring A. Rack A is connected inside the guide rails. A gear is set on one side of the rack A. Rack B is set on one side of the gear. A casting cover is set on the upper end of the air-drying tank. The outside of the air-drying tank is fixedly connected to the cover plate. The outside of the air intake pipe is connected to a branch pipe. The end of the branch pipe away from the air intake pipe is connected to an air pressure chamber. The outside of the casting tank is fixedly connected to a fixed plate. A knock block is connected inside the fixed plate. Spring rods B are set on both sides of the knock block. Preferably: the support seat is fixedly connected around the lower end of the base, and the number of the support seat is four; the casting groove is fixedly connected at the center of the upper end of the base; the air intake pipe is fixedly connected to one side of the casting groove, and the air intake pipe passes through the casting groove and extends to the inside; the number of the air intake pipe is four, and the four groups of air intake pipes are connected to the connecting pipe.

[0006] Preferably: a plurality of baffles are fixedly connected to one side of the casting trough, and the rear end of each baffle is a breathable trough. A plurality of air-drying troughs are arranged inside the casting trough, the outer surface of the air-drying trough is hollow, and the lower end of the air-drying trough is connected to the cover plate. The bottom plate is movably connected inside the air-drying trough, and the outer diameter of the bottom plate matches the inner diameter of the air-drying trough. The telescopic rod is fixedly connected to the lower end of the bottom plate, and the telescopic rod passes through the base and the cover plate. The telescopic rod is movably connected to the cover plate and has a certain damping force.

[0007] Preferably: the connecting rod A is fixedly connected to the lower end of the telescopic rod, the spring rod A is arranged on the outside of the connecting pipe, the spring rod A passes through the connecting pipe and is connected to the valve inside the connecting pipe, one end of the spring rod A is fixedly connected to the connecting rod B, and the connecting rod B and the connecting rod A are in the same vertical plane.

[0008] Preferably: the movable plate is movably connected at the center of the lower end of the base, and protrusions are provided on both sides of the movable plate. The end of the movable plate close to the outside is fixedly connected to the spring A, and the other end of the spring A is connected to the ground. The guide rail is fixedly connected to the outside of the spring A, and the protrusion is located inside the guide rail.

[0009] Preferably: the rack A is movably connected inside the guide rail, a gear is provided on one side of the rack A, the gear is fixed by being connected to the guide rail, the rack B is fixedly connected to the lower end of the base plate not connected to the connecting rod A, the rack B and the gear are in the same horizontal plane, and the rack B is meshed with the gear.

[0010] Preferably, the casting cover is movably connected to the upper end of each group, the cover plate is fixedly connected to several groups of air-drying slots, and sliders are provided around the cover plate, and the cover plate is connected to the inner wall of the casting slot through the sliders.

[0011] Preferably: the branch pipe is fixedly connected to one side of the connecting pipe, which is located at the lower end of the spring rod A, and the end of the branch pipe away from the connecting pipe is fixedly connected to the air pressure chamber, and a bracket is provided on the outside of the air pressure chamber, and the air pressure chamber is connected to the base through the bracket for fixation, and four groups of air pressure chambers are provided on the outside of the casting groove.

[0012] Preferably: a push rod is provided inside the air pressure chamber, the outer diameter of the push rod matches the inner diameter of the air pressure chamber, and a degassing groove is provided at the rear end of the push rod, one end of the push rod is fixedly connected to a spring B, one end of the spring B is fixedly connected to the push rod, and the other end is fixedly connected to the inner wall of the air pressure chamber.

[0013] Preferably, the fixing plate is fixedly connected to the outside of the casting groove, and knocking blocks are arranged inside the fixing plate, the number of which is four. The upper end of the knocking block is at the same horizontal plane as the push rod, and the knocking block is connected to the fixing plate by spring rods B on both sides for fixing. Compared with the prior art, the present invention has the following beneficial effects: 1. The invention realizes that when the telescopic rod descends, it will connect with the connecting rod B. At the same time, the connecting rod B is connected to the spring rod A, and the spring rod A is movably connected. Therefore, when the connecting rod A contacts the connecting rod B, the connecting rod B will be squeezed to flip. When the connecting rod B flips, the spring rod A will be driven to rotate, thereby opening the internal valve to blow air into the casting tank through the fan, thereby improving the drying speed of the lost foam, and also increasing the convenience of use and reducing the waste of human resources.

[0014] 2. In the invention, after the staff places the lost foam inside the air-drying tank, the staff will push the telescopic rod down. During the descending process of the telescopic rod, the rack B will be driven to descend synchronously. When the rack B descends, the gear will be driven to rotate. When the gear rotates, the rack A will be driven to be pulled out synchronously, so that the rack A is disconnected from the guide rail. When the staff places the lost foam inside the air-drying tank, it can be judged whether the lost foam is placed in place by whether the rack B completely brings out the rack A, thereby avoiding uneven drying and local non-drying caused by the lost foam not being placed in place, and also preventing the lost foam from being offset and causing subsequent castings to be skewed.

[0015] 3. This invention pushes the push rod out when the air pressure inside the air pressure chamber increases. When the push rod is pushed out, it will contact the knocking block, so that the push rod will squeeze the knocking block to move to one side. When the knocking block moves, it will flip through the spring rods B on both sides. When the push rod is reset, the knocking block will quickly rebound through the spring rods B to knock on the outer wall of the casting groove, thereby causing vibration to the casting groove, so that the dry sand will be automatically vibrated when added, preventing the dry sand part inside the casting groove from causing hollowing and affecting the subsequent mold production. At the same time, it also reduces the use of manpower and reduces production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall structure of the present invention; Figure 3 This is the second schematic diagram of the overall structure of the present invention; Figure 4 The third schematic diagram of the overall structure of the present invention; Figure 5 It is a partial structural cross-sectional view of the present invention; Figure 6 It is a partial structural schematic diagram of the present invention; Figure 7 A diagram showing a partial structure of the present invention; Figure 8 This is a diagram showing the internal structure of the casting tank of the present invention; Figure 9It is an enlarged view of the structure at point A of the present invention.

[0017] In the figure: 1. Base; 2. Support base; 3. Casting groove; 4. Air inlet pipe; 5. Baffle; 6. Air drying groove; 7. Bottom plate; 8. Telescopic rod; 9. Connecting rod A; 10. Spring rod A; 11. Connecting rod B; 12. Movable plate; 13. Spring A; 14. Guide rail; 15. Rack A; 16. Gear; 17. Rack B; 18. Casting cover; 19. Cover plate; 20. Branch pipe; 21. Air pressure chamber; 22. Push rod; 23. Spring B; 24. Fixed plate; 25. Knock block; 26. Spring rod B. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-9 A lost foam casting device for uniformly and continuously drying wear-resistant castings comprises a base 1, a support base 2 being fixedly connected to the lower end of the base 1, a casting groove 3 being fixedly connected to the upper end of the support base 2, an air intake pipe 4 being fixedly connected to one side of the casting groove 3, a baffle 5 being fixedly connected to the opposite side of the air intake pipe 4, an air drying groove 6 being provided inside the casting groove 3, a bottom plate 7 being provided inside the air drying groove 6, a telescopic rod 8 being fixedly connected to the lower end of the bottom plate 7, a connecting rod A9 being fixedly connected to the end of the telescopic rod 8 away from the bottom plate 7, a spring rod A10 being provided outside the air intake pipe 4, a connecting rod B11 being fixedly connected to the end of the spring rod A10 away from the air intake pipe 4, and a base 10 having a plurality of holes. A movable plate 12 is movably connected to the lower end of seat 1. A spring A13 is fixedly connected to one end of movable plate 12. Guide rails 14 are located on either side of spring A13. A rack A15 is connected to the interior of guide rail 14. A gear 16 is located on one side of rack A15, and a rack B17 is located on the other side of gear 16. A casting cover 18 is located at the upper end of air-drying tank 6. A cover plate 19 is fixedly connected to the exterior of air-drying tank 6. A branch pipe 20 is connected to the exterior of air intake pipe 4. The end of branch pipe 20, away from air intake pipe 4, is connected to an air pressure chamber 21. A fixed plate 24 is fixedly connected to the exterior of casting tank 3. A knock block 25 is connected to the interior of fixed plate 24. Spring rods B26 are located on either side of knock block 25. In an optional embodiment: the support base 2 is fixedly connected around the lower end of the base 1, and the number of the support base 2 is four. The casting groove 3 is fixedly connected to the center of the upper end of the base 1. The air intake pipe 4 is fixedly connected to one side of the casting groove 3. The air intake pipe 4 passes through the casting groove 3 and extends to the inside. The number of the air intake pipe 4 is four, and the four groups of air intake pipes 4 are connected to the connecting pipe, and one end of the connecting pipe is connected to the fan. When the equipment is in use, air is blown into the casting groove 3 through the four groups of air intake pipes 4, thereby air-drying the lost foam.

[0020] In an optional embodiment: a plurality of baffles 5 are fixedly connected to one side of the casting tank 3, and the rear end of each baffle 5 is a breathable tank. A plurality of air-drying tanks 6 are arranged inside the casting tank 3, and the outer surface of the air-drying tank 6 is hollow, and the lower end of the air-drying tank 6 is connected to the cover 19. The bottom plate 7 is movably connected to the inside of the air-drying tank 6, and the outer diameter of the bottom plate 7 matches the inner diameter of the air-drying tank 6. The telescopic rod 8 is fixedly connected to the lower end of the bottom plate 7, and the telescopic rod 8 passes through the base 1 and the cover 19. The telescopic rod 8 is movably connected to the cover 19 and has a certain damping Force, when the air inlet pipe 4 is blown, the gas will be discharged through the air vent groove on the other side. When the gas is discharged, the baffle 5 is movably connected to the upper end of the baffle 5, which will blow up the baffle 5 for exhaust. When no air is blown, the baffle 5 will automatically close the air vent groove to prevent dry sand from being discharged through the exhaust hole when dry sand is placed. At the same time, when the staff uses the equipment, they place the lost foam inside the casting groove 3 and press it down. When the lost foam is pressed down, the bottom plate 7 is pushed to move, and when the bottom plate 7 moves, the telescopic rod 8 is pushed down synchronously.

[0021] In an optional embodiment: connecting rod A9 is fixedly connected to the lower end of telescopic rod 8, and spring rod A10 is arranged on the outside of connecting tube, and spring rod A10 passes through connecting tube and is connected to the valve inside connecting tube, and one end of spring rod A10 is fixedly connected to connecting rod B11, and connecting rod B11 and connecting rod A9 are in the same vertical plane. When telescopic rod 8 descends, because telescopic rod 8 is connected to connecting rod A9, connecting rod A9 will contact connecting rod B11 when it descends, and connecting rod B11 is connected to spring rod A10 at the same time, and spring rod A10 is not movably connected, so when connecting rod A9 contacts connecting rod B11, connecting rod B11 will be squeezed to flip, so that when connecting rod B11 flips, spring rod A10 will be driven to rotate, thereby opening the internal valve so that it can blow air into the casting tank 3 through the fan, thereby improving the drying speed of lost foam, while also increasing the convenience during use and reducing the waste of human resources.

[0022] In an optional embodiment: the movable plate 12 is movably connected to the center of the lower end of the base 1, and protrusions are provided on both sides of the movable plate 12. The end of the movable plate 12 close to the outside is fixedly connected to the spring A13, and the other end of the spring A13 is connected to the ground. The guide rail 14 is fixedly connected to the outside of the spring A13, and the protrusion is located inside the guide rail 14. After the movable plate 12 is squeezed, it will be reset by the lower end spring A13. When the movable plate 12 is raised or lowered, it will move inside the guide rail 14 through the protrusion, so that the guide rail 14 provides guidance for the movement of the movable plate 12 to prevent the movable plate 12 from offsetting during the movement and becoming unable to reset.

[0023] In an optional embodiment: the rack A15 is movably connected to the inside of the guide rail 14, and a gear 16 is provided on one side of the rack A15. The gear 16 is fixed by being connected to the guide rail 14. The rack B17 is fixedly connected to the lower end of the bottom plate 7 which is not connected to the connecting rod A9. The rack B17 and the gear 16 are in the same horizontal plane, and the rack B17 is meshed with the gear 16. After the staff places the lost foam inside the air-drying tank 6, the telescopic rod 8 on the other side is pushed down, thereby driving the rack B17 to move down synchronously during the telescopic rod 8's descent. When the rack B17 descends, it will contact the gear 16, thereby driving the gear 16 to rotate. When the gear 16 rotates, it will synchronously drive the rack A15 to be pulled out, so that the rack A15 is disconnected from the guide rail 14. When the staff places the lost foam inside the air-drying tank 6, it can be judged whether the lost foam is placed in place by whether the rack B17 completely brings out the rack A15, thereby avoiding uneven air-drying and local non-air-drying caused by the lost foam not being placed in place, and also preventing the lost foam from being offset and causing subsequent castings to be skewed.

[0024] In an optional embodiment: the casting cover 18 is movably connected to the upper end of each group, the cover plate 19 is fixedly connected to several groups of air-drying grooves 6, and sliders are provided around the cover plate 19, and the cover plate 19 is connected to the inner wall of the casting groove 3 through the slider. After the lost foam is air-dried, the casting cover 18 is placed on the upper end of the lost foam, and the dry sand is evenly placed on the upper end of the cover plate 19. When the amount of dry sand gradually increases, the cover plate 19 will be pressed downward due to gravity. As the cover plate 19 moves downward, the air-drying groove 6 will be brought down synchronously because the cover plate 19 is fixedly connected to the air-drying groove 6, and the air-drying groove 6 will not be affected when it is lowered. As the cover plate 19 descends, the dry sand will gradually surround the lost foam automatically, thereby preventing the working Manual loading of sand by personnel increases physical exertion, and also prevents the phenomenon of skewness of the lost foam caused by manual loading of sand. When the cover plate 19 drives the air-drying tank 6 to gradually descend, since the air-drying tank 6 is connected to the movable plate 12, the movable plate 12 will be squeezed to descend synchronously. When the movable plate 12 descends, it will contact the connecting rod A9, and the connecting rod A9 is connected to the bottom plate 7 through the telescopic rod 8, so that when the movable plate 12 descends, it will push the connecting rod A9 to move synchronously. As mentioned above, the connecting rod A9 is in contact with the connecting rod B11 at this time and squeezes the connecting rod B11, so that when the connecting rod A9 continues to descend, it will be disconnected from the connecting rod B11, so that the connecting rod B11 automatically rebounds and resets through the spring rod A10 to close the valve.

[0025] In an optional embodiment: the branch pipe 20 is fixedly connected to one side of the connecting pipe, which is located at the lower end of the spring rod A10, and the end of the branch pipe 20 away from the connecting pipe is fixedly connected to the air pressure chamber 21, and a bracket is provided on the outside of the air pressure chamber 21. The air pressure chamber 21 is connected to the base 1 through the bracket for fixation, and the air pressure chamber 21 is provided with four groups on the outside of the casting groove 3. As mentioned above, after the valve is closed, the air pressure will enter the interior of the air pressure chamber 21 through the branch pipe 20, thereby increasing the air pressure inside the air pressure chamber 21.

[0026] In an optional embodiment: a push rod 22 is provided inside the air pressure chamber 21, the outer diameter of the push rod 22 matches the inner diameter of the air pressure chamber 21, and a degassing groove is provided at the rear end of the push rod 22, and a spring B23 is fixedly connected to one end of the push rod 22, one end of the spring B23 is fixedly connected to the push rod 22, and the other end is fixedly connected to the inner wall of the air pressure chamber 21. As described above, when the air pressure inside the air pressure chamber 21 increases, the push rod 22 will be pushed out, and when the push rod 22 gradually moves outward to the end, the degassing groove will move to the outer end, thereby quickly releasing the air pressure inside the air pressure chamber 21, and after the air pressure is released, the push rod 22 will automatically rebound and reset to the inside of the air pressure chamber 21 through the spring B23 at the rear end.

[0027] In an optional embodiment: the fixed plate 24 is fixedly connected to the outside of the casting groove 3, and a knocking block 25 is provided inside the fixed plate 24, and the number is four. The upper end of the knocking block 25 is in the same horizontal plane as the push rod 22, and the knocking block 25 is connected to the fixed plate 24 by the spring rods B26 on both sides for fixation. As mentioned above, when the push rod 22 is pushed out, it will contact the knocking block 25, so that the push rod 22 will squeeze the knocking block 25 to move to one side, and when the knocking block 25 moves, it will flip through the spring rods B26 on both sides, so that when the push rod 22 is reset, the knocking block 25 will quickly rebound through the spring rods B26 to knock on the outer wall of the casting groove 3, thereby causing vibration to the casting groove 3, so that it automatically vibrates the dry sand when adding dry sand, preventing the dry sand part inside the casting groove 3 from causing hollowing and affecting the subsequent mold production, while also reducing the use of manpower and reducing production costs.

[0028] Working principle: When the staff uses the equipment, they place the lost foam inside the casting groove 3 and press it down. When the lost foam is pressed down, the bottom plate 7 is pushed to move, and when the bottom plate 7 moves, the telescopic rod 8 is pushed down synchronously. When the telescopic rod 8 descends, since the telescopic rod 8 is connected to the connecting rod A9, the connecting rod A9 will contact the connecting rod B11 when it descends. At the same time, the connecting rod B11 is connected to the spring rod A10, and the spring rod A10 is not movably connected. Therefore, when the connecting rod A9 contacts the connecting rod B11, the connecting rod B11 is squeezed to flip. When the connecting rod B11 flips, the spring rod A10 is driven to rotate, thereby opening the internal valve to allow the fan to blow air into the casting tank 3, thereby improving the drying speed of the lost foam and increasing the convenience during use. When the telescopic rod 8 on the other side descends, it will drive the rack B17 to descend synchronously. When the rack B17 descends, it will contact the gear 16, thereby driving the gear 16 to rotate. When the gear 16 rotates, it will synchronously drive the rack A15 to be pulled out, so that the rack A15 is disconnected from the guide rail 14. When the staff places the lost foam in the air-drying tank 6, they can judge whether the lost foam is placed in place by whether the rack B17 completely brings out the rack A15, thereby avoiding uneven air-drying and local non-drying due to the lost foam not being placed in place. After the lost foam is air-dried, the pouring cover 18 is placed on the upper end of the lost foam, and dry sand is evenly placed on the upper end of the cover plate 19. When the amount of dry sand gradually increases, the cover plate 19 will be pressed downward due to gravity. As the cover plate 19 moves downward, since the cover plate 19 is fixedly connected to the air-drying tank 6, the air-drying tank 6 will be brought down synchronously, and the air-drying tank 6 will not be affected when it is lowered. As the cover plate 19 descends, the dry sand will gradually surround the lost foam automatically. When the cover plate 19 drives the air-drying tank 6 to gradually descend, it will squeeze the movable plate 12 to descend synchronously. When the movable plate 12 descends, it will contact the connecting rod A9, and the connecting rod A9 is connected to the bottom plate 7 through the telescopic rod 8. When the movable plate 12 descends, it will push the connecting rod A9 to move synchronously, so that the connecting rod A9 is disconnected from the connecting rod B11, and the connecting rod B11 automatically rebounds and resets through the spring rod A10 to close the valve. After the valve is closed, the air pressure will enter the air pressure chamber 21 through the branch pipe 20, thereby increasing the air pressure inside the air pressure chamber 21. When the air pressure inside the air pressure chamber 21 increases, the push rod 22 will be pushed out. When the push rod 22 is pushed out, it will contact the knocking block 25, so that the push rod 22 will squeeze the knocking block 25 to move to one side. When the knocking block 25 moves, it will flip through the spring rods B26 on both sides. When the push rod 22 is reset, the knocking block 25 will quickly rebound through the spring rods B26 to knock on the outer wall of the casting groove 3, thereby causing vibration to the casting groove 3, so that it automatically vibrates the dry sand when adding dry sand. When the push rod 22 gradually moves outward to the end, the air release groove will move to the outer end, thereby quickly releasing the air pressure inside the air pressure chamber 21. After the air pressure is released, the push rod 22 will automatically rebound and reset to the inside of the air pressure chamber 21 through the spring B23 at the rear end.

[0029] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A lost foam casting device for uniformly and continuously drying wear-resistant castings, comprising a base (1), characterized in that: The lower end of the base (1) is fixedly connected to a support base (2), the upper end of the support base (2) is fixedly connected to a casting groove (3), one side of the casting groove (3) is fixedly connected to an air intake pipe (4), the casting groove (3) is fixedly connected to a baffle (5) on the opposite side of the air intake pipe (4), an air drying groove (6) is provided inside the casting groove (3), a bottom plate (7) is provided inside the air drying groove (6), the lower end of the bottom plate (7) is fixedly connected to a telescopic rod (8), the end of the telescopic rod (8) away from the bottom plate (7) is fixedly connected to a connecting rod A (9), a spring rod A (10) is provided on the outside of the air intake pipe (4), the end of the spring rod A (10) away from the air intake pipe (4) is fixedly connected to a connecting rod B (11), the lower end of the base (1) is movably connected to a movable plate (12), One end of the movable plate (12) is fixedly connected to a spring A (13), and guide rails (14) are provided on both sides of the spring A (13). A rack A (15) is connected inside the guide rail (14), and a gear (16) is provided on one side of the rack A (15). A rack B (17) is provided on one side of the gear (16). A casting cover (18) is provided on the upper end of the air-drying groove (6), and a cover plate (19) is fixedly connected to the outside of the air-drying groove (6). The outside of the air intake pipe (4) is connected to a branch pipe (20), and the end of the branch pipe (20) away from the air intake pipe (4) is connected to an air pressure chamber (21). The outside of the casting groove (3) is fixedly connected to a fixed plate (24), and the inside of the fixed plate (24) is connected to a knocking block (25), and spring rods B (26) are provided on both sides of the knocking block (25).

2. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The support base (2) is fixedly connected to the four sides of the lower end of the base (1), and the number of the support base (2) is four. The casting groove (3) is fixedly connected to the center of the upper end of the base (1). The air intake pipe (4) is fixedly connected to one side of the casting groove (3). The air intake pipe (4) passes through the casting groove (3) and extends to the inside. The number of the air intake pipe (4) is four, and the four groups of air intake pipes (4) are connected to the connecting pipe.

3. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: A plurality of baffles (5) are fixedly connected to one side of the casting trough (3), and the rear end of each baffle (5) is a breathable trough. A plurality of air-drying troughs (6) are arranged inside the casting trough (3), and the outer surface of the air-drying trough (6) is hollow, and the lower end of the air-drying trough (6) is connected to the cover plate (19). The bottom plate (7) is movably connected inside the air-drying trough (6), and the outer diameter of the bottom plate (7) matches the inner diameter of the air-drying trough (6). The telescopic rod (8) is fixedly connected to the lower end of the bottom plate (7), and the telescopic rod (8) passes through the base (1) and the cover plate (19). The telescopic rod (8) is movably connected to the cover plate (19) and has a certain damping force.

4. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The connecting rod A (9) is fixedly connected to the lower end of the telescopic rod (8), and the spring rod A (10) is arranged on the outside of the connecting pipe. The spring rod A (10) passes through the connecting pipe and is connected to the valve inside the connecting pipe. One end of the spring rod A (10) is fixedly connected to the connecting rod B (11), and the connecting rod B (11) and the connecting rod A (9) are in the same vertical plane.

5. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The movable plate (12) is movably connected to the center of the lower end of the base (1), and protrusions are provided on both sides of the movable plate (12). One end of the movable plate (12) close to the outer side is fixedly connected to the spring A (13), and the other end of the spring A (13) is connected to the ground. The guide rail (14) is fixedly connected to the outer side of the spring A (13), and the protrusion is located inside the guide rail (14).

6. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The rack A (15) is movably connected to the inside of the guide rail (14), and a gear (16) is provided on one side of the rack A (15). The gear (16) is fixed by being connected to the guide rail (14). The rack B (17) is fixedly connected to the lower end of the base plate (7) not connected to the connecting rod A (9), and the rack B (17) and the gear (16) are in the same horizontal plane, and the rack B (17) and the gear (16) are meshed.

7. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The casting cover (18) is movably connected to the upper end of each group, the cover plate (19) is fixedly connected to the plurality of air-drying grooves (6), and sliders are provided around the cover plate (19), and the cover plate (19) is connected to the inner wall of the casting groove (3) through the sliders.

8. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The branch pipe (20) is fixedly connected to one side of the connecting pipe and is located at the lower end of the spring rod A (10). The end of the branch pipe (20) away from the connecting pipe is fixedly connected to the air pressure chamber (21). A bracket is provided on the outside of the air pressure chamber (21). The air pressure chamber (21) is connected to the base (1) through the bracket for fixing, and four groups of air pressure chambers (21) are provided on the outside of the casting groove (3).

9. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: A push rod (22) is provided inside the air pressure chamber (21), the outer diameter of the push rod (22) matches the inner diameter of the air pressure chamber (21), and a degassing groove is provided at the rear end of the push rod (22), one end of the push rod (22) is fixedly connected to a spring B (23), one end of the spring B (23) is fixedly connected to the push rod (22), and the other end is fixedly connected to the inner wall of the air pressure chamber (21).

10. The lost foam casting device for uniformly and continuously drying wear-resistant castings according to claim 1, characterized in that: The fixing plate (24) is fixedly connected to the outside of the casting groove (3), and knocking blocks (25) are provided inside the fixing plate (24), with the number of four groups. The upper ends of the knocking blocks (25) are in the same horizontal plane as the push rod (22), and the knocking blocks (25) are connected to the fixing plate (24) by spring rods B (26) on both sides for fixing.

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