Multi-station low-pressure casting equipment

Abstract

The invention belongs to the technical field of low-pressure casting, and particularly relates to multi-station low-pressure casting equipment which comprises a workbench, a mounting frame is fixedly connected to the upper end of the workbench, a supporting frame is mounted at the upper end of the mounting frame, a sliding rail is arranged on the inner wall of the supporting frame, and a casting mold driving assembly is mounted in an inner cavity of the sliding rail; and the casting mold driving assembly comprises a sliding plate slidably connected into an inner cavity of the supporting frame, limiting sliding columns are slidably connected to the four corners of the sliding plate, a pushing plate is fixedly connected to the lower ends of the limiting sliding columns, a groove is formed in the lower end face of the pushing plate, and two sliding rods are slidably connected to an inner cavity of the groove. The problems that the number of hydraulic cylinders of existing low-pressure casting equipment is increased along with increase of stations, the cost of the casting equipment is increased, if one hydraulic cylinder is damaged, the whole equipment needs to be shut down due to increase of the number of the hydraulic cylinders, the workpiece casting efficiency is affected, and the equipment maintenance cost and time are also increased are solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of low-pressure casting, and specifically relates to a multi-station low-pressure casting device. Background Art

[0002] Low-pressure casting of aluminum alloy wheels is an advanced non-ferrous metal casting technology. During the casting process of aluminum alloy wheels, the casting mold needs to be installed on a low-pressure casting machine, and molten aluminum alloy is injected into a pre-designed mold under a low-pressure environment to achieve the forming of the wheels.

[0003] A patent with the publication number CN220387860U discloses a low-pressure casting device for super-large aluminum alloy structural parts. One melting furnace of this device can perform multi-point pouring operations for multiple combined mold platforms, which can increase the production efficiency by more than 30%. For example, for a base body produced by our company, using a traditional fixed melting furnace, it takes 7 days from the combined mold operation to the completion of pouring. With the three-station pouring of the present utility model, three castings can be poured within 14 days with the same personnel configuration. 2. Compared with the traditional fixed melting furnace method, the energy consumption is reduced by more than 15%. For the production of a base body as in the previous example, when using a traditional fixed melting furnace to produce a single product, the melting furnace power is 200kW, the feeding amount is 1700kg, the melting time is about 10 hours, and the remaining material after pouring is about 400kg. If two-station pouring is used, the feeding amount is 3000kg, the melting time is about 15 hours, and the remaining material at the bottom of the pot is still about 400kg after two castings are completed. At this time, if it is planned to pour a third casting product, the feeding and melting can be completed within 7 hours.

[0004] The above-mentioned scheme still has some problems in actual application. Usually, multiple hydraulic cylinders are used to drive multiple casting molds to be butted to form a whole, and then molten metal is poured into the cavity formed by the splicing of multiple casting molds. At the same time, a cooling device is used to cool the molten metal in the cavity to make it quickly form. However, in the existing low-pressure casting equipment, as the number of stations increases, the number of hydraulic cylinders also increases, which not only increases the cost of the casting equipment, but also, with the increase in the number of hydraulic cylinders, if one of the hydraulic cylinders is damaged, the entire equipment needs to be shut down, which not only affects the casting efficiency of the workpiece, but also increases the equipment maintenance cost and time.

[0005] Therefore, the present invention provides a multi-station low-pressure casting device. Summary of the Invention

[0006] In order to make up for the deficiencies of the prior art and solve at least one technical problem proposed in the background art.

[0007] The technical solution adopted by the present invention to solve its technical problems is as follows: A multi-station low-pressure casting device described in the present invention includes a workbench, an installation frame is fixedly connected to the upper end of the workbench, a support frame is installed at the upper end of the installation frame, a slide rail is arranged on the inner wall of the support frame, and a mold driving component is installed in the inner cavity of the slide rail; And the mold driving component includes a slide plate slidably connected in the inner cavity of the support frame. At the four corners of the slide plate, there are limit slide columns slidably connected. A push plate is fixedly connected to the lower end of the limit slide column. A groove is formed on the lower end surface of the push plate. Two slide bars are slidably connected in the inner cavity of the groove. And at the lower ends of the two slide bars, there are sealing and shaping blocks installed; On both sides of the upper end surface of the workbench, there are first casting molds installed. Two second casting molds are slidably connected to the upper end surface of the workbench. And the two second casting molds are respectively butted with the two first casting molds to form a whole. And a gate is formed between the first casting mold and the second casting mold. The sealing and shaping block seals the whole formed by the first casting mold and the second casting mold to form a cavity. And the second casting mold can drive the sealing and shaping block to move for realizing the demolding work of the cast workpiece.

[0008] Preferably, a material discharging component is arranged inside one end of the workbench. And the material discharging component includes a rotation groove formed inside one end of the workbench. A box cover is rotatably connected in the inner cavity of the rotation groove. A chute is formed on the upper end surface of the workbench. Two sliders are slidably connected in the inner cavity of the chute. And each slider is fixedly installed with the second casting mold. Two limit grooves are formed on the upper end surface of the workbench. And the second casting mold is slidably connected with the limit grooves.

[0009] Preferably, a servo motor is installed in the inner cavity of the rotation groove. A rotation rod is fixedly connected to the output shaft end of the servo motor. Two pull rods are rotatably connected to both ends of the rotation rod. One end of the pull rod is rotatably connected with the slider for driving the slider to slide in the inner cavity of the chute to move closer to or away from each other for operation.

[0010] Preferably, a support slide column is installed in the inner cavity of the groove. The slide bar is slidably connected to the outside of the support slide column. A spring is fixedly connected to the inner wall of the groove. And one end of the spring is fixedly connected with the slide bar. A hydraulic push rod is installed on the upper end surface of the slide plate. The piston rod end of the hydraulic push rod penetrates through the slide plate and is installed with the push plate.

[0011] Preferably, a jack is formed on the upper end of the second casting mold. A sealing strip is arranged at the lower end of the sealing and shaping block. An insertion block is slidably connected inside the lower end of the sealing and shaping block. The insertion block is inserted into the jack. And the sealing strip is used for sealing the whole formed by the first casting mold and the second casting mold.

[0012] Preferably, two fixing rods are symmetrically installed in the inner cavity of the mounting frame, and a recycling component is installed between the two fixing rods. The recycling component includes a mounting cylinder fixed inside the fixing rod. A rotating shaft is rotatably connected inside the mounting cylinder. One end of the rotating shaft is fixedly connected with a rotating plate. A limiting frame is installed between the rotating plates, and a conveying roller path is arranged between the limiting frame and the rotating plate.

[0013] Preferably, a first fixing disk is fixedly connected to the outside of the inner cavity of the mounting cylinder on the rotating shaft. A first torsion spring is fixedly connected to one side of the first fixing disk. One end of the first torsion spring is fixedly connected to the inner wall of the mounting cylinder. High-temperature resistant latex pads are arranged outside the conveying roller path to reduce the impact force of the formed workpieces falling on the conveying roller path.

[0014] Preferably, an installation groove is opened inside the lower end of the limiting frame. A rotating column is rotatably connected inside the installation groove. Both ends of the rotating column penetrate through the rotating plate and are fixedly connected with rotating blocks. An L-shaped limiting plate is installed on the inner wall of the mounting frame below the limiting frame, and the L-shaped limiting plate is used to abut against the rotation of the rotating block, which can drive the rotating column to rotate and discharge materials.

[0015] Preferably, a second fixing disk is fixedly connected to the outside of the inner cavity of the installation groove on the rotating column. Second torsion springs are fixedly connected to both sides of the second fixing disk. One end of the second torsion spring is fixedly connected to the inner wall of the installation groove. A baffle is fixedly connected to the outside of the rotating column between the limiting frame and the rotating plate.

[0016] Preferably, a control screen is installed at one end of the support frame. A conveying frame is arranged on one side of the mounting frame, and the conveying frame is used to receive the formed workpieces for conveying.

[0017] The beneficial effects of the present invention are as follows: 1. For a multi-station low-pressure casting device of the present invention, by starting the servo motor to drive the rotating rod to rotate, and the rotating rod drives the pull rod to rotate. At the same time, the pull rod pushes the sliders to move away from each other inside the sliding groove. Furthermore, the sliders drive the second casting mold to move synchronously. During the movement of the second casting mold, it will slide and move away from each other inside the limiting groove. Thus, the second casting mold is docked with the first casting mold to form a whole, thereby realizing the synchronous docking and forming of the double-station casting mold, effectively reducing the cost of the double-station low-pressure casting device, and avoiding the problem that the existing low-pressure casting device drives the molds to be spliced by multiple hydraulic cylinders, with high failure rate and affecting the casting efficiency of workpieces.

[0018] 2. For a multi-station low-pressure casting device described in the present invention, when using the weight of the formed workpiece to drive the recycling component to flip, the limiting frame cooperates with the rotating plate to drive the conveying roller path to tilt at an angle of 30 to 60 degrees. Then, the formed workpiece slides through the tilted conveying roller path. At the same time, a baffle is used to block the movement of the formed workpiece to reduce the sliding speed of the formed workpiece. Then, the baffle is driven to flip and connected to the conveying frame. At the same time, the formed workpiece slides onto the conveying frame through the baffle and is conveyed to the next station by the conveying frame. Thus, when the existing multi-station low-pressure casting device recovers the formed workpiece, usually the bracket is moved under the ceiling sealing block, and the formed workpiece is discharged onto the bracket through the ceiling sealing block. Then, the bracket is moved to pick up the formed workpiece. This material collection method is not only cumbersome in operation and affects the recycling efficiency of the formed workpiece, but also when the bracket receives the formed workpiece, since the bracket does not have a buffer component to reduce the impact force when the formed workpiece falls from above, it is easy to cause the formed workpiece to collide with the bracket and produce bump marks on the surface and other problems. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings.

[0020] Figure 1 is a schematic diagram of the overall front view structure of the present invention; Figure 2 is a schematic diagram of the overall rear view three-dimensional structure of the present invention; Figure 3 is a schematic diagram of the overall structure of the mounting frame of the present invention; Figure 4 is a schematic diagram of the assembly structure of the first casting mold of the present invention; Figure 5 is a schematic diagram of the partial cross-sectional structure of the workbench of the present invention; Figure 6 is a schematic diagram of the partial cross-sectional structure of the limiting frame of the present invention; Figure 7 is a schematic diagram of the semi-cross-sectional structure of the pushing plate of the present invention; Figure 8 is a schematic diagram of the overall structure of the recycling component of the present invention; In the figure: 1, workbench; 2, mounting frame; 3, support frame; 4, material discharging component; 41, box cover; 42, chute; 43, limiting groove; 44, slider; 45, servo motor; 46, rotating rod; 47, pull rod; 48, rotating groove; 5, control screen; 6, recycling component; 61, mounting cylinder; 62, rotating shaft; 63, rotating plate; 64, first fixing plate; 65, first torsion spring; 66, conveying roller path; 67, limiting frame; 68, mounting groove; 7. Conveyor frame; 8. Fixed rod; 9. Slide plate; 10. Hydraulic push rod; 11. Limit slide column; 12. Slide rail; 13. L-shaped limit plate; 14. First casting mold; 15. Second casting mold; 16. Baffle; 17. Rotating column; 18. Rotating block; 19. Second torsion spring; 20. Second fixed disk; 21. Pushing plate; 22. Groove; 23. Spring; 24. Support slide column; 25. Slide bar; 26. Sealing and shaping block; 27. Insert block; 28. Sealing strip. Detailed implementation manners

[0021] In order to make the technical means, creative features, achieved purposes and functions of the present invention easy to understand, the present invention will be further described below in conjunction with specific implementation manners.

[0022] Example 1: As Figures 1 to 8 shown, a multi-station low-pressure casting device described in an embodiment of the present invention includes a workbench 1. An installation frame 2 is fixedly connected to the upper end of the workbench 1. A support frame 3 is installed at the upper end of the installation frame 2. A slide rail 12 is provided on the inner wall of the support frame 3, and a mold driving assembly is installed in the inner cavity of the slide rail 12; And the mold driving assembly includes a slide plate 9 slidably connected in the inner cavity of the support frame 3. Limit slide columns 11 are slidably connected to the four corners of the slide plate 9. A pushing plate 21 is fixedly connected to the lower end of the limit slide column 11. Grooves 22 are opened on the lower end surface of the pushing plate 21. Two slide bars 25 are slidably connected in the inner cavity of the grooves 22, and sealing and shaping blocks 26 are installed at the lower ends of the two slide bars 25; First casting molds 14 are installed on both sides of the upper end surface of the workbench 1. Two second casting molds 15 are slidably connected to the upper end surface of the workbench 1. The two second casting molds 15 are respectively butted with the two first casting molds 14 to form a whole. A gate is opened between the first casting mold 14 and the second casting mold 15. The sealing and shaping block 26 seals the whole formed by the first casting mold 14 and the second casting mold 15 to form a cavity, and the second casting mold 15 can drive the sealing and shaping block 26 to move for realizing the demolding work of the cast workpiece.

[0023] Specifically, in the prior art, usually multiple hydraulic cylinders are used to drive multiple casting molds to be butted to form a whole, and then molten metal is poured into the cavity formed by the splicing of the multiple casting molds. At the same time, a cooling device is used to cool the molten metal in the cavity to cool it quickly to form. However, in the existing low-pressure casting equipment, as the number of stations increases, the number of hydraulic cylinders also increases, which not only increases the cost of the casting equipment, but also increases the number of hydraulic cylinders. If one of the hydraulic cylinders is damaged, the entire equipment needs to be shut down, which not only affects the efficiency of workpiece casting, but also increases the equipment maintenance cost and time; When the present invention performs low-pressure casting, by driving two second casting molds 15 to move away from each other, and making the two second casting molds 15 respectively dock with the first casting mold 14 to form an integral body, then driving the slide plate 9 to slide in the inner cavity of the slide rail 12, and at the same time the slide plate 9 drives the limit slide post 11 to move synchronously, thereby making the limit slide post 11 drive the push plate 21 to move, then drive the slide rod 25 to move, and make the slide rod 25 drive the sealing and shaping block 26 to move synchronously. After the sealing and shaping block 26 moves above the first casting mold 14 and the second casting mold 15, by driving the push plate 21 to move downward, and at the same time the push plate 21 drives the slide rod 25 to move downward, then drive the sealing and shaping block 26 to move downward, so that the sealing and shaping block 26 is inserted and sealed with the integral body formed by the first casting mold 14 and the second casting mold 15. Then, metal molten liquid is injected into the cavity through the gate, and at the same time, the first casting mold 14 and the second casting mold 15 are cooled by using a cooling device, so that the metal solution in the cavity is quickly cooled and formed. After the metal workpiece is formed, by driving the two second casting molds 15 to move closer to each other, and at the same time the two second casting molds 15 drive the sealing and shaping block 26 to move synchronously, thereby making the sealing and shaping block 26 drive the formed workpiece to be demolded from the first casting mold 14. During the process of the two second casting molds 15 moving closer to each other, after the sealing and shaping block 26 drives the slide rod 25 to slide in a section of the inner cavity of the groove 22 and cannot move, at this time, the sealing and shaping block 26 is disengaged from the plug connection with the second casting mold 15, then the second casting mold 15 is demolded from the formed workpiece, and then by driving the slide plate 9 to move towards the rear part of the support frame 3, and at the same time the formed workpiece is unloaded and recycled from the sealing and shaping block 26, thus solving the above problems.

[0024] As Figure 1 , Figure 4 and Figure 5 shown, a material unloading component 4 is arranged inside one end of the workbench 1, and the material unloading component 4 includes a rotating groove 48 opened inside one end of the workbench 1. A box cover 41 is rotatably connected in the inner cavity of the rotating groove 48. A sliding groove 42 is opened on the upper end surface of the workbench 1. Two sliders 44 are slidably connected in the inner cavity of the sliding groove 42, and each slider 44 is fixedly installed with the second casting mold 15. Two limiting grooves 43 are opened on the upper end surface of the workbench 1, and the second casting mold 15 is slidably connected with the limiting grooves 43.

[0025] As Figure 1 , Figure 4 and Figure 5 shown, a servo motor 45 is installed in the inner cavity of the rotating groove 48. The output shaft end of the servo motor 45 is fixedly connected with a rotating rod 46. Both ends of the rotating rod 46 are rotatably connected with a pull rod 47. One end of the pull rod 47 is rotatably connected with the slider 44, and is used for driving the slider 44 to slide in the inner cavity of the sliding groove 42 to move closer to or away from each other for operation.

[0026] Specifically, before low-pressure casting, the servo motor 45 is started to drive the rotating rod 46 to rotate, and the rotating rod 46 drives the pull rod 47 to rotate. At the same time, the pull rod 47 pushes the sliders 44 to move away from each other in the inner cavity of the chute 42. Then, the sliders 44 drive the second casting mold 15 to move synchronously. During the movement of the second casting mold 15, it will slide and move away from each other in the inner cavity of the limit groove 43. Thus, the second casting mold 15 is docked with the first casting mold 14 to form a whole, realizing the synchronous docking and molding of the double-station casting mold, and effectively reducing the cost of the double-station low-pressure casting equipment.

[0027] As Figure 1 , Figure 2 and Figure 7 shown, a support sliding column 24 is installed in the inner cavity of the groove 22. A sliding rod 25 is slidably connected to the outside of the support sliding column 24. A spring 23 is fixedly connected to the inner wall of the groove 22, and one end of the spring 23 is fixedly connected to the sliding rod 25. A hydraulic push rod 10 is installed on the upper end surface of the sliding plate 9. The piston rod end of the hydraulic push rod 10 penetrates through the sliding plate 9 and is installed with the pushing plate 21.

[0028] As Figure 1 , Figure 4 and Figure 7 shown, a jack is opened at the upper end of the second casting mold 15. A sealing strip 28 is arranged at the lower end of the sealing and shaping block 26. An inserting block 27 is slidably connected inside the lower end of the sealing and shaping block 26. The inserting block 27 is inserted into the jack, and the sealing strip 28 is used to seal the whole formed by the first casting mold 14 and the second casting mold 15.

[0029] Specifically, by starting the hydraulic push rod 10 to drive the push plate 21 to move downward, at the same time, the push plate 21 drives the limit slide column 11 to slide and move downward synchronously inside the slide plate 9, and the push plate 21 drives the slide rod 25 to move downward, and then drives the sealing and shaping block 26 to move downward. Thus, the sealing and shaping block 26 uses the sealing strip 28 to plug and seal with the whole formed by the first casting mold 14 and the second casting mold 15. At the same time, the sealing and shaping block 26 drives the plug 27 to be inserted and positioned with the jack inside the upper end of the second casting mold 15. After the casting of the workpiece is completed, after driving the second casting mold 15 to be separated from the first casting mold 14 for plugging and sealing, the second casting mold 15 will drive the sealing and shaping block 26 to move synchronously by using the plug 27. At the same time, the sealing and shaping block 26 drives the formed workpiece to be demolded from the first casting mold 14. After the second casting mold 15 drives the sealing and shaping block 26 to move a certain distance, the sealing and shaping block 26 drives the slide rod 25 to squeeze the spring 23 and cannot move. At this time, the second casting mold 15 continues to move, and the plug 27 will be forced to disengage from the jack and slide into the sealing and shaping block 26. Then, the spring 23 bounces up the slide rod 25 to reset, and the slide rod 25 slides and moves outside the support slide column 24. At the same time, the slide rod 25 drives the sealing and shaping block 26 to move and reset, so that the sealing and shaping block 26 drives the formed workpiece to be demolded from the second casting mold 15, thus solving the problem that the existing multi-station low-pressure casting equipment, when demolding and recycling the formed workpiece, usually uses multiple hydraulic cylinders to drive each mold to be separated and spliced, and then uses the ceiling sealing block to drive the formed workpiece to be recycled, which is not only cumbersome in operation but also affects the cost of the entire equipment.

[0030] Embodiment 2: As Figure 2 , Figure 6 and Figure 8 shown, two fixing rods 8 are symmetrically installed inside the mounting frame 2, and a recycling component 6 is installed between the two fixing rods 8. The recycling component 6 includes a mounting cylinder 61 fixed inside the fixing rod 8. A rotating shaft 62 is rotatably connected inside the mounting cylinder 61. One end of the rotating shaft 62 is fixedly connected with a rotating plate 63. A limiting frame 67 is installed between the rotating plates 63, and a conveying roller path 66 is arranged between the limiting frame 67 and the rotating plate 63.

[0031] As Figure 1 , Figure 6 and Figure 8 shown, a first fixing disk 64 is fixedly connected to the outside of the inner cavity of the mounting cylinder 61 of the rotating shaft 62. A first torsion spring 65 is fixedly connected to one side of the first fixing disk 64. One end of the first torsion spring 65 is fixedly connected to the inner wall of the mounting cylinder 61. High-temperature resistant latex pads are arranged outside the conveying roller path 66 to reduce the impact force of the formed workpiece falling on the conveying roller path 66.

[0032] Specifically, when discharging and recycling the formed workpiece, the sliding plate 9 is driven to move inside the inner cavity of the slide rail 12, and at the same time, the sealing and shaping block 26 and the formed workpiece are driven to move above the rotating plate 63. Then, the formed workpiece is discharged by the sealing and shaping block 26 onto the conveying roller path 66. High-temperature resistant latex pads are provided outside the conveying roller path 66, so that the high-temperature resistant latex pads can be used to reduce the impact force of the formed workpiece falling on the conveying roller path 66, in order to protect the formed workpiece and prevent marks such as bumps on the surface of the formed workpiece during recycling. After the formed workpiece is discharged onto the conveying roller path 66, the conveying roller path 66 will flip under the weight of the formed workpiece, and at the same time drive the limiting frame 67 and the rotating plate 63 to flip, and the rotating plate 63 will drive the rotating shaft 62 to rotate synchronously, and then drive the first fixed disk 64 to rotate. During the rotation of the first fixed disk 64, the first torsion spring 65 will be twisted, so that the rotating plate 63 abuts against the L-shaped limiting plate 13, so that the limiting frame 67 cooperates with the rotating plate 63 to drive the conveying roller path 66 to tilt at an angle of 30 to 60 degrees. Then, the formed workpiece slides through the inclined conveying roller path 66, and at the same time, the baffle 16 is used to block the movement of the formed workpiece to reduce the sliding speed of the formed workpiece. Then, the baffle 16 is driven to flip, and the baffle 16 is connected to the conveying frame 7. At the same time, the formed workpiece slides onto the conveying frame 7 through the baffle 16, and the conveying frame 7 is used for conveying and recycling. This solves the problems that when the existing multi-station low-pressure casting equipment recycles the formed workpiece, usually the bracket is moved under the ceiling sealing block, and the formed workpiece is discharged onto the bracket through the ceiling sealing block, and then the bracket is moved to pick up the formed workpiece. This feeding method is not only cumbersome in operation and affects the recycling efficiency of the formed workpiece, but also when the bracket receives the formed workpiece, since the bracket does not have a buffer component to reduce the impact force when the formed workpiece falls on it, it is easy to cause collisions between the formed workpiece and the bracket, resulting in marks such as bumps on the surface.

[0033] As Figure 2 、 Figure 6 and Figure 8 shown, an installation groove 68 is formed inside the lower end of the limiting frame 67. A rotating column 17 is rotatably connected to the inner cavity of the installation groove 68, and both ends of the rotating column 17 penetrate through the rotating plate 63 and are fixedly connected with a rotating block 18. An L-shaped limiting plate 13 is installed on the inner wall of the installation frame 2 below the limiting frame 67, and the L-shaped limiting plate 13 is used to abut against the rotation of the rotating block 18 and can drive the rotating column 17 to rotate for discharging and feeding.

[0034] As Figure 2 、 Figure 6 and Figure 8As shown, a second fixed disk 20 is fixedly connected to the outside of the inner cavity of the installation groove 68 of the rotating column 17. Second torsion springs 19 are fixedly connected to both sides of the second fixed disk 20. One end of each second torsion spring 19 is fixedly connected to the inner wall of the installation groove 68. A baffle 16 is fixedly connected to the outside of the rotating column 17 between the limit frame 67 and the rotating plate 63.

[0035] Specifically, after using the self-weight of the formed workpiece to press down the limit frame 67 and the rotating plate 63 for flipping, the limit frame 67 cooperates with the rotating plate 63 to drive the baffle 16 to move synchronously. At the same time, after the formed workpiece moves along the conveying roller path 66 to abut against the baffle 16, when the limit frame 67 cooperates with the rotating plate 63 to abut against the L-shaped limit plate 13, the rotating block 18 will abut against and rotate with the L-shaped limit plate 13. At the same time, the rotating block 18 drives the rotating column 17 to rotate, and the rotating column 17 drives the second fixed disk 20 to rotate. At the same time, the second torsion spring 19 is twisted to drive the baffle 16 to flip, so as to connect the baffle 16 to the conveying frame 7. Thus, the formed workpiece can slide onto the baffle 16 by using the inclination angle of the limit frame 67 cooperating with the rotating plate 63, and slide onto the conveying frame 7 through the baffle 16 for conveying to the next processing station. After the formed workpiece slides onto the conveying frame 7, the second torsion spring 19 will twist the second fixed disk 20 to rotate back to its original position. At the same time, the second fixed disk 20 drives the rotating column 17 to rotate, and then drives the baffle 16 to flip back to its original position. Moreover, the first torsion spring 65 will also twist back to its original position, drive the first fixed disk 64 to rotate, then drive the rotating shaft 62 to rotate, and at the same time drive the rotating plate 63, the limit frame 67 and the conveying roller path 66 to rotate back to their original positions synchronously, so as to receive the workpieces formed by subsequent low-pressure casting, thereby improving the automation degree of the multi-station low-pressure casting equipment, and solving the problem that after the existing multi-station low-pressure casting equipment completes the low-pressure casting of the formed workpiece, due to the lack of a buffer structure in the existing collecting equipment for receiving the formed workpiece, when collecting heavier workpieces such as automobile wheels, it is easy to cause damage phenomena such as bending deformation at the material receiving end, increasing the failure rate of the entire device and reducing the processing efficiency of the entire casting.

[0036] As Figure 1 and Figure 2 shown, a control screen 5 is installed at one end of the support frame 3, and a conveying frame 7 is arranged on one side of the installation frame 2, and the conveying frame 7 is used to receive the formed workpiece for conveying.

[0037] Working principle: During low-pressure casting, two second casting molds 15 are driven to move away from each other, and the two second casting molds 15 are respectively docked with the first casting mold 14 to form an integral body. Then, the slide plate 9 is driven to slide in the inner cavity of the slide rail 12. At the same time, the slide plate 9 drives the limit slide post 11 to move synchronously. Furthermore, the limit slide post 11 drives the push plate 21 to move, then drives the slide rod 25 to move, and the slide rod 25 drives the sealing and shaping block 26 to move synchronously. After the sealing and shaping block 26 moves above the first casting mold 14 and the second casting mold 15, by driving the push plate 21 to move downward, at the same time, the push plate 21 drives the slide rod 25 to move downward, then drives the sealing and shaping block 26 to move downward, so that the sealing and shaping block 26 is inserted and sealed with the integral body formed by the first casting mold 14 and the second casting mold 15. Then, metal melt is injected into the cavity through the gate. At the same time, the first casting mold 14 and the second casting mold 15 are cooled by the cooling equipment, so that the metal solution in the cavity is quickly cooled and solidified. After the metal workpiece is formed, by driving the two second casting molds 15 to move closer to each other, at the same time, the two second casting molds 15 drive the sealing and shaping block 26 to move synchronously. Furthermore, the sealing and shaping block 26 drives the formed workpiece to be demolded from the first casting mold 14. During the process of the two second casting molds 15 moving closer to each other, after the sealing and shaping block 26 drives the slide rod 25 to slide in the inner cavity of the groove 22 for a certain position and cannot move, at this time, the sealing and shaping block 26 is disengaged from the second casting mold 15. Then, the second casting mold 15 is demolded from the formed workpiece. Then, by driving the slide plate 9 to move towards the rear part of the support frame 3, at the same time, the formed workpiece is unloaded and recycled from the sealing and shaping block 26; When ejecting and recycling the formed workpiece, the sliding plate 9 is driven to move inside the inner cavity of the slide rail 12, and at the same time, the sealing and shaping block 26 and the formed workpiece are driven to move above the rotating plate 63. Then, the formed workpiece is ejected by the sealing and shaping block 26 and falls onto the conveying roller path 66. High-temperature resistant latex pads are provided outside the conveying roller path 66, so that the high-temperature resistant latex pads can be used to reduce the impact force of the formed workpiece falling onto the conveying roller path 66, in order to play a protective role for the formed workpiece and prevent the surface of the formed workpiece from being bruised or marked due to impact during recycling. After the formed workpiece is discharged onto the conveying roller path 66, the conveying roller path 66 will be flipped due to the weight of the formed workpiece, and at the same time, the limiting frame 67 and the rotating plate 63 will be driven to flip, and the rotating plate 63 will drive the rotating shaft 62 to rotate synchronously, and then drive the first fixed disk 64 to rotate. During the rotation of the first fixed disk 64, the first torsion spring 65 will be twisted, so that the rotating plate 63 will abut against the L-shaped limiting plate 13, so that the limiting frame 67 cooperates with the rotating plate 63 to drive the conveying roller path 66 to be inclined at an angle of 30 to 60 degrees. Then, the formed workpiece slides through the inclined conveying roller path 66, and at the same time, the baffle 16 is used to block the movement of the formed workpiece to reduce the sliding speed of the formed workpiece. Then, the baffle 16 is driven to flip, and the baffle 16 is connected to the conveying frame 7. At the same time, the formed workpiece slides onto the conveying frame 7 through the baffle 16, and the conveying frame 7 is used for conveying and recycling; After the limiting frame 67 and the rotating plate 63 are flipped by the weight of the formed workpiece itself, the limiting frame 67 cooperates with the rotating plate 63 to drive the baffle 16 to move synchronously. At the same time, after the formed workpiece moves along the conveying roller path 66 and abuts against the baffle 16, when the limiting frame 67 cooperates with the rotating plate 63 to abut against the L-shaped limiting plate 13, the rotating block 18 will abut against the L-shaped limiting plate 13 and rotate, and at the same time, the rotating block 18 drives the rotating column 17 to rotate, and the rotating column 17 drives the second fixed disk 20 to rotate. At the same time, the second torsion spring 19 is twisted to drive the baffle 16 to flip, so that the baffle 16 can be connected to the conveying frame 7, so that the formed workpiece can slide onto the baffle 16 by the inclination angle of the limiting frame 67 cooperating with the rotating plate 63, and slide onto the conveying frame 7 through the baffle 16 for conveying to the next processing station. After the formed workpiece slides onto the conveying frame 7, the second torsion spring 19 will twist the second fixed disk 20 to rotate and reset, and at the same time, the second fixed disk 20 drives the rotating column 17 to rotate, then drives the baffle 16 to flip and reset, and the first torsion spring 65 will also twist and reset at the same time, and drive the first fixed disk 64 to rotate, then drive the rotating shaft 62 to rotate, and at the same time drive the rotating plate 63, the limiting frame 67 and the conveying roller path 66 to rotate and reset synchronously, in order to receive the workpieces formed by subsequent low-pressure casting, thereby improving the automation degree of the multi-station low-pressure casting equipment.

[0038] The basic principles, main features and advantages of the present invention have been shown and described above. Those skilled in the art should understand that the present invention is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed. The scope of protection claimed by the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-station low-pressure casting device, characterized in that: It includes a workbench (1), an installation frame (2) is fixedly connected to the upper end of the workbench (1), a support frame (3) is installed at the upper end of the installation frame (2), a slide rail (12) is arranged on the inner wall of the support frame (3), and a mold driving component is installed in the inner cavity of the slide rail (12). The mold driving component includes a slide plate (9) slidably connected in the inner cavity of the support frame (3). At the four corners of the slide plate (9), there are limit slide columns (11) slidably connected. The lower ends of the limit slide columns (11) are fixedly connected with a push plate (21). A groove (22) is formed on the lower end surface of the push plate (21). Two slide bars (25) are slidably connected in the inner cavity of the groove (22), and seal shaping blocks (26) are installed at the lower ends of the two slide bars (25). On both sides of the upper end surface of the workbench (1), first casting molds (14) are installed. Two second casting molds (15) are slidably connected to the upper end surface of the workbench (1). The two second casting molds (15) are respectively butted with the two first casting molds (14) to form a whole. A pouring gate is arranged between the first casting mold (14) and the second casting mold (15). The seal shaping block (26) seals the whole formed by the first casting mold (14) and the second casting mold (15) to form a cavity, and the second casting mold (15) can drive the seal shaping block (26) to move for realizing the demolding work of the cast workpiece.

2. The multi-station low-pressure casting equipment according to claim 1, characterized in that: A material discharging component (4) is arranged inside one end of the workbench (1). The material discharging component (4) includes a rotating groove (48) formed inside one end of the workbench (1). A box cover (41) is rotatably connected in the inner cavity of the rotating groove (48). A chute (42) is formed on the upper end surface of the workbench (1). Two sliders (44) are slidably connected in the inner cavity of the chute (42). Each slider (44) is fixedly installed with the second casting mold (15). Two limit grooves (43) are formed on the upper end surface of the workbench (1), and the second casting mold (15) is slidably connected with the limit grooves (43).

3. The multi-station low-pressure casting equipment according to claim 2, characterized in that: A servo motor (45) is installed in the inner cavity of the rotating groove (48). A rotating rod (46) is fixedly connected to the output shaft end of the servo motor (45). Pulling rods (47) are rotatably connected to both ends of the rotating rod (46). One end of the pulling rod (47) is rotatably connected with the slider (44) for driving the slider (44) to slide in the inner cavity of the chute (42) to move closer to or away from each other for operation.

4. A multi-station low-pressure casting device according to claim 1, characterized in that: A support slide column (24) is installed in the inner cavity of the groove (22). The slide bar (25) is slidably connected to the outside of the support slide column (24). A spring (23) is fixedly connected to the inner wall of the groove (22), and one end of the spring (23) is fixedly connected with the slide bar (25). A hydraulic push rod (10) is installed on the upper end surface of the slide plate (9). The piston rod end of the hydraulic push rod (10) penetrates through the slide plate (9) and is installed with the push plate (21).

5. A multi-station low-pressure casting device according to claim 1, characterized in that: The upper end of the second casting mold (15) is provided with a jack. A sealing strip (28) is arranged at the lower end of the sealing and shaping block (26). An insertion block (27) is slidably connected inside the lower end of the sealing and shaping block (26). The insertion block (27) is inserted into the jack, and the sealing strip (28) is used to seal the whole formed by the first casting mold (14) and the second casting mold (15).

6. A multi-station low-pressure casting device according to claim 1, characterized in that: Two fixing rods (8) are symmetrically installed in the inner cavity of the mounting frame (2). A recycling component (6) is installed between the two fixing rods (8). The recycling component (6) includes a mounting cylinder (61) fixed inside the fixing rod (8). A rotating shaft (62) is rotatably connected inside the mounting cylinder (61). One end of the rotating shaft (62) is fixedly connected with a rotating plate (63). A limiting frame (67) is installed between the rotating plates (63). A conveying roller path (66) is arranged between the limiting frame (67) and the rotating plate (63).

7. The multi-station low-pressure casting equipment according to claim 6, characterized in that: A first fixing disk (64) is fixedly connected to the outside of the inner cavity of the mounting cylinder (61) of the rotating shaft (62). A first torsion spring (65) is fixedly connected to one side of the first fixing disk (64). One end of the first torsion spring (65) is fixedly connected to the inner wall of the mounting cylinder (61). High-temperature resistant latex pads are arranged outside the conveying roller path (66) to reduce the impact force of the formed workpieces falling on the conveying roller path (66).

8. A multi-station low-pressure casting device according to claim 6, characterized in that: An installation groove (68) is opened inside the lower end of the limiting frame (67). A rotating column (17) is rotatably connected inside the inner cavity of the installation groove (68). Both ends of the rotating column (17) penetrate through the rotating plate (63) and are fixedly connected with a rotating block (18). An L-shaped limiting plate (13) is installed on the inner wall of the mounting frame (2) below the limiting frame (67). The L-shaped limiting plate (13) is used to abut against the rotation of the rotating block (18), and can drive the rotating column (17) to rotate for discharging materials.

9. The multi-station low-pressure casting equipment according to claim 8, wherein: A second fixing disk (20) is fixedly connected to the outside of the inner cavity of the installation groove (68) of the rotating column (17). Second torsion springs (19) are fixedly connected to both sides of the second fixing disk (20). One end of the second torsion spring (19) is fixedly connected to the inner wall of the installation groove (68). A baffle (16) is fixedly connected to the outside of the rotating column (17) between the limiting frame (67) and the rotating plate (63).

10. A multi-station low-pressure casting device according to claim 1, characterized in that: A control screen (5) is installed at one end of the support frame (3). A conveying frame (7) is arranged on one side of the mounting frame (2). The conveying frame (7) is used to receive the formed workpieces for conveying.

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