Planet carrier casting mold
By designing an automated casting mold system, using mechanical components such as cylinders, connecting columns, worms and gears, the automatic pulling of the upper mold box and the synchronous ejection of the castings are achieved, which solves the problems of time and physical strength in the demolding process in the prior art, and improves casting efficiency and simplicity of operation.
Patent Information
- Application Number
- CN202323411964.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-14
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2033-12-14
AI Technical Summary
Existing planetary casting molds require manual operation during the demolding process, resulting in time and physical energy consuming, increasing work intensity and process complexity.
A system including a mounting box, a mounting table, a lower mold box and an upper mold box is designed. Through mechanical components such as cylinders, connecting columns, worms and gears, the automatic pulling of the upper mold box and the synchronous ejection of the castings are realized.
It realizes rapid, stable and efficient mold release of castings, simplifies the operating process, reduces the physical consumption of operators, and improves casting efficiency.
Smart Images
Figure CN222817896U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of planetary carriers, in particular to a planetary carrier casting mold. Background Art
[0002] The planet carrier is one of the main components of the planetary gear transmission. The planetary shaft or bearing is installed on the planet carrier.
[0003] The existing planet carrier casting mold is often closed by the upper mold box and the lower mold box during casting, and the molten metal is filled inward, and then cooled and solidified to finally obtain the required parts. The obtained planet carrier has the characteristics of high efficiency, precision and reliability.
[0004] However, after the casting is completed, after the upper mold box is pulled up, the operator is required to manually lift the planetary carrier formed in the lower mold, and the operator is required to remove the cast planetary carrier from the lower mold. Since the gap between the side of the casting body and the lower mold box is small after casting, the lifting operation process requires a certain amount of demolding time and consumes the operator's strength, which increases the operator's workflow and work intensity, affects the time used for casting the planetary carrier, and increases the physical exertion of the staff at work. Utility Model Content
[0005] The utility model aims to solve the problem in the prior art that a certain demoulding time is required in the material removal operation process.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: it includes an installation box, a mounting platform is fixedly connected to the installation box, a mounting top is fixedly connected to the installation platform through a connecting column, a lower mold box is fixedly connected to the installation platform, a plurality of slidingly connected ejector rods are arranged in the lower mold box, a lifting structure is arranged on the top of the installation box, the installation top is fixedly connected to the upper mold box through the lifting structure, a accommodating cavity is arranged in the upper mold box, a liquid injection port is fixedly connected to the top of the upper mold box, four evenly distributed inlet grooves that are arranged and pass through the lower mold box are arranged in the accommodating cavity, a connecting block is fixedly connected to the side of the upper mold box, an ejection assembly fixedly connected to the ejection rod for ejection is arranged in the installation box, and the ejection assembly and the upper mold box are synchronously driven and transmitted by a synchronous assembly.
[0007] As a preferred embodiment, the ejection assembly includes a threaded rod rotatably connected between the bottom of the lower mold box and the lower end of the installation box, a lifting platform is sleeved on the threaded rod, a threaded sleeve is coaxially fixedly connected inside the lifting platform, and the threaded sleeve is threadedly connected to the threaded rod.
[0008] As a preferred embodiment, the plurality of ejector rods are distributed in an equidistant circular array, and the lower ends of the plurality of ejector rods are fixedly connected to the mounting plate.
[0009] As a preferred embodiment, mounting plates are fixed at both ends of the bottom surface of the lower mold box, a worm is rotatably connected between the mounting plates, a worm wheel is fixedly connected to the lower end of the threaded rod, and the worm wheel and the worm are meshingly connected.
[0010] As a preferred embodiment, mounting plates are fixed at both ends of the bottom surface of the lower mold box, and the synchronization assembly includes a first transmission gear and a second transmission gear rotatably connected to the mounting plate close to the side of the connecting block, the first transmission gear and the second transmission gear are meshingly connected to each other, one end of the first transmission gear is fixedly connected to the worm, and the other end of the first transmission gear is fixedly connected to a slider, a connecting strip is fixedly connected to the connecting block, the connecting strip passes through the mounting platform to the inside of the mounting box, a sliding cavity is opened in the middle of the connecting strip, the sliding cavity is slidably connected to the slider, the outer end of the second transmission gear is fixedly connected to the third transmission gear, a vertical rack is fixedly connected to the connecting strip, and the third transmission gear is meshingly connected to the rack for transmission.
[0011] As a preferred embodiment, the lifting structure includes a cylinder fixedly connected to the mounting top, the cylinder output shaft is fixedly connected to a connecting plate, the lower end of the connecting plate is fixedly connected to three connecting columns distributed in an equidistant circular array, and the connecting column is fixedly connected to the upper mold box at one end away from the connecting plate.
[0012] As a preferred embodiment, guide columns are fixedly connected to the four corners of the upper end of the lower mold box, and the guide columns penetrate the upper mold box and are slidably connected to the upper mold box.
[0013] As a preferred embodiment, the front end of the installation box is through-set, and two distributed box doors are hingedly set at the through-opening of the installation box.
[0014] Compared with the prior art, the advantages and positive effects of the utility model are:
[0015] 1. The utility model, by arranging a cylinder to cooperate with the mounting plate, the mounting plate realizes the stable pulling up of the upper mold through a plurality of evenly distributed connecting columns, and at the same time, a mounting bar is fixedly connected to the upper mold, and the mounting bar is connected to the outer end of the slider through the limited sliding of the slider, and a rack is arranged on the mounting bar, which cooperates with the third transmission gear to realize the control of the rotation of the threaded rod in the mounting box, thereby realizing the upward movement of the ejector rod, realizing the function of ejecting the formed casting, realizing the function of demolding the molded part synchronously when the upper mold box is opened, and the operation is simple and quick, and the demolding speed of the molded part is improved, and the casting efficiency is improved.
[0016] 2. The utility model provides a liquid injection port, a receiving cavity and four evenly distributed inlet grooves, so that the mold liquid is distributed more evenly, the quality of the mold during mold casting is improved, the time for the mold liquid to enter the upper mold box and the lower mold box is increased, and the casting efficiency is further improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A three-dimensional structural schematic diagram of a planet carrier casting mold provided by the utility model;
[0018] Figure 2 A schematic diagram of the partial structure of a planet carrier casting mold provided by the utility model;
[0019] Figure 3 A cross-sectional view of a planet carrier casting mold provided by the utility model;
[0020] Figure 4 A planet carrier casting mold provided by the utility model Figure 2 A partial enlarged view of the middle part;
[0021] Figure 5 This is a schematic structural diagram of the first gear of a planet carrier casting mold provided by the utility model.
[0022] Legend:
[0023] 1. Mounting table; 2. Mounting box; 3. Lower mold box; 4. Mounting top; 5. Upper mold box; 6. Cylinder; 7. Connecting plate; 8. Connecting column; 9. Guide rod; 10. Box door; 11. Liquid injection port; 12. Connecting block; 13. Connecting strip; 14. Mounting plate; 15. Worm; 16. Threaded sleeve; 17. Ejector rod; 18. Threaded rod; 19. Worm wheel; 20. Mounting plate; 21. First transmission gear; 22. Third transmission gear; 23. Sliding block; 24. Rack; 25. Accommodating chamber; 26. Lead-in groove; 27. Second transmission gear. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-5The utility model provides a technical solution: comprising an installation box 2, the installation box 2 is fixedly connected with an installation platform 1, the installation platform 1 is fixedly connected with an installation top 4 through a connecting column 8, the installation platform 1 is fixedly connected with a lower mold box 3, the lower mold box 3 has a plurality of slidingly connected ejector rods 17, the top of the installation box 2 is provided with a lifting structure, the installation top 4 is fixedly connected with an upper mold box 5 through the lifting structure, the upper mold box 5 is provided with a accommodating cavity 25, the top of the upper mold box 5 is fixedly connected with a liquid injection port 11, the liquid injection port 11 can be connected to an external pipeline, the accommodating cavity 25 is provided with four The inlet grooves 26 are evenly distributed and pass through the lower mold box 3. The upper mold box 5 is fixedly connected with a connecting block 12 on the side. The installation box 2 is provided with an ejection assembly fixedly connected to the ejection rod 17 for ejection. The ejection assembly and the upper mold box 5 are synchronously driven and transmitted by a synchronous assembly. The mold liquid is introduced into the injection port 11, and the mold liquid enters the accommodating cavity 25 through four evenly distributed inlet grooves 26 and enters between the lower mold box 3 and the upper mold box 5, so that the mold liquid is more evenly distributed, the quality of the mold parts during mold casting is improved, the time for the mold liquid to enter the upper mold box 5 and the lower mold box 3 is increased, and the casting efficiency is further improved.
[0026] like Figure 1-5 As shown, the ejection assembly includes a threaded rod 18 rotatably connected between the bottom of the lower mold box 3 and the lower end of the installation box 2, a lifting platform 20 is sleeved on the threaded rod 18, a threaded sleeve 16 is coaxially fixedly connected inside the lifting platform 20, and the threaded sleeve 16 is threadedly connected to the threaded rod 18. The rotation of the threaded rod 18 and the coordinated thread realize the movement of the ejection rod 17, thereby realizing the function of ejecting the casting.
[0027] like Figure 1-5 As shown, the plurality of ejector rods 17 are distributed in an equidistant circular array, and the lower ends of the plurality of ejector rods 17 are fixedly connected to the mounting plate, so that the bottom end of the mold is subjected to uniform force, and the bottom surface of the mold is subjected to uniform force during ejection, thereby preventing damage to the mold due to stress concentration during ejection.
[0028] like Figure 1-5 As shown, mounting plates 14 are fixed at both ends of the bottom surface of the lower mold box 3, a worm 15 is rotatably connected between the mounting plates 14, a worm wheel 19 is fixedly connected to the lower end of the threaded rod 18, and the worm wheel 19 is meshingly connected to the worm 15. The worm wheel 19 is rotated to control the rotation of the worm wheel 19, thereby controlling the rotation of the threaded rod 18.
[0029] like Figure 1-5As shown, the synchronization component includes a first transmission gear 21 and a second transmission gear 27 which are rotatably connected to a mounting plate 14 on one side close to a connecting block 12. The first transmission gear 21 and the second transmission gear 27 are meshed and connected for transmission. One end of the first transmission gear 21 is fixedly connected to a worm 15, and the other end of the first transmission gear 21 is fixedly connected to a slider 23. A connecting strip 13 is fixedly connected to the connecting block 12, and the connecting strip 13 passes through the mounting platform 1 to the inside of the mounting box 2. A sliding cavity is opened in the middle of the connecting strip 13, and the sliding cavity is slidably connected to the slider 23. The outer end of the second transmission gear 27 is fixedly connected with the third transmission gear 22, and the connecting bar 13 is fixedly connected with a vertical rack 24. The third transmission gear 22 is meshed and transmission-connected with the rack 24. When the upper mold box 5 moves, the rack 24 drives the third transmission gear 22 to rotate, and the third transmission gear 22 drives the second transmission gear 27 to rotate, thereby controlling the rotation of the worm 15 and controlling the ejector rod 17 to eject and demold, thereby realizing the function of synchronously ejecting the casting when the upper mold box 5 is pulled up, greatly saving the operation process and improving the manufacturing efficiency.
[0030] like Figure 1-5 As shown, the lifting structure includes a cylinder 6 fixedly connected in the mounting top 4, the output shaft of the cylinder 6 is fixedly connected to a connecting plate 7, the lower end of the connecting plate 7 is fixedly connected to three connecting columns 8 distributed in an equidistant circular array, and the connecting column 8 is fixedly connected to the upper mold box 5 at one end away from the connecting plate 7. By arranging three connecting columns 8 distributed in an equidistant circular array, it is more stable when the cylinder 6 pulls up the upper mold.
[0031] like Figure 1-5 As shown, guide columns 9 are fixedly connected at the four corners of the upper end of the lower mold box 3. The guide columns 9 penetrate the upper mold box 5 and are slidably connected to the upper mold box 5. By providing the guide columns 9, precise alignment between the upper mold box 5 and the lower mold box 3 is ensured.
[0032] like Figure 1-5 As shown, the front end of the installation box 2 is through-set, and two distributed box doors 10 are hingedly set at the through-opening of the installation box 2. The box doors 10 are provided to facilitate installation of the device and subsequent repair and maintenance of the machine.
[0033] Working principle: After the mold is cooled, when the mold is removed, the cylinder 6 is electrically connected to the external power supply through the wire, and the cylinder 6 is started to drive the output shaft to move upward. The output shaft drives the upper mold box 5 to move stably through the connecting column 8 and the connecting plate 7. When the upper mold box 5 moves, the connecting bar 13 is driven to move upward through the connecting block 12. The connecting bar 13 slides through the middle slide groove and the slider 23 to limit the connecting bar 13. At the same time, the rack 24 on the connecting bar 13 drives the third transmission gear 22 to rotate, and the third transmission gear 22 drives the transmission gear to rotate. The second transmission gear 27 rotates to drive the meshing first transmission gear 21 to rotate, and the first transmission gear 21 drives the worm 15 to rotate. The worm 15 cooperates with the worm wheel 19 to drive the threaded rod 18 to rotate. The threaded rod 18 cooperates with the threaded sleeve 16 to control the connection plate 7 to move upward, thereby driving multiple evenly distributed ejector rods 17 to eject the casting. The function of driving the ejector rods 17 to eject the casting when the upper mold box 5 is pulled up is simple and quick to operate, which improves the demolding speed of the casting and improves the casting efficiency.
[0034] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A planet carrier casting mold, characterized in that: The utility model comprises an installation box (2), wherein the installation box (2) is fixedly connected with an installation platform (1), the installation platform (1) is fixedly connected with an installation top (4) via a connecting column (8), the installation platform (1) is fixedly connected with a lower mold box (3), a plurality of slidably connected ejector rods (17) are arranged in the lower mold box (3), a lifting structure is arranged at the top of the installation box (2), the installation top (4) is fixedly connected with an upper mold box (5) via the lifting structure, a receiving cavity (25) is arranged in the upper mold box (5), a liquid injection port (11) is fixedly connected at the top of the upper mold box (5), four evenly distributed introduction grooves (26) are arranged in the receiving cavity (25) and pass through the lower mold box (3), a connecting block (12) is fixedly connected to the side of the upper mold box (5), an ejection assembly fixedly connected with the ejection rod (17) is arranged in the installation box (2), and the ejection assembly is synchronously driven and transmitted with the upper mold box (5) via a synchronous assembly.
2. A planet carrier casting mold according to claim 1, characterized in that: The ejection assembly comprises a threaded rod (18) rotatably connected between the bottom of the lower mold box (3) and the lower end of the installation box (2); a lifting platform (20) is sleeved on the threaded rod (18); a threaded sleeve (16) is coaxially fixedly connected inside the lifting platform (20); and the threaded sleeve (16) is threadedly connected to the threaded rod (18).
3. A planet carrier casting mold according to claim 2, characterized in that: The plurality of ejector rods (17) are distributed in an equidistant circular array, and the lower ends of the plurality of ejector rods (17) are fixedly connected to the mounting plate.
4. A planet carrier casting mold according to claim 2, characterized in that: Both ends of the bottom surface of the lower mold box (3) are fixed with mounting plates (14), a worm (15) is rotatably connected between the mounting plates (14), a worm wheel (19) is fixedly connected to the lower end of the threaded rod (18), and the worm wheel (19) and the worm (15) are meshingly connected.
5. A planet carrier casting mold according to claim 4, characterized in that: The synchronization component comprises a first transmission gear (21) and a second transmission gear (27) which are rotatably connected to a mounting plate (14) on one side close to a connecting block (12); the first transmission gear (21) and the second transmission gear (27) are meshingly connected in transmission; one end of the first transmission gear (21) is fixedly connected to a worm (15); the other end of the first transmission gear (21) is fixedly connected to a slider (23); a connecting bar (13) is fixedly connected to the connecting block (12); the connecting bar (13) passes through the mounting platform (1) to the inside of the mounting box (2); a sliding cavity is provided in the middle of the connecting bar (13); the sliding cavity is slidably connected to the slider (23); a third transmission gear (22) is fixedly connected to the outer end of the second transmission gear (27); a vertical rack (24) is fixedly connected to the connecting bar (13); the third transmission gear (22) is meshingly connected to the rack (24) in transmission.
6. The planet carrier casting mold according to claim 1, characterized in that: The lifting structure comprises a cylinder (6) fixedly connected to the mounting top (4); the output shaft of the cylinder (6) is fixedly connected to a connecting plate (7); the lower end of the connecting plate (7) is fixedly connected to three connecting columns (8) distributed in an equidistant circular array; the connecting column (8) is fixedly connected to the upper mold box (5) at one end away from the connecting plate (7).
7. The planet carrier casting mold according to claim 1, characterized in that: The four corners of the upper end of the lower mold box (3) are fixedly connected with guide columns (9), and the guide columns (9) penetrate the upper mold box (5) and are slidably connected to the upper mold box (5).
8. The planet carrier casting mold according to claim 1, characterized in that: The front end of the installation box (2) is through-set, and two distributed box doors (10) are hingedly set at the through-opening of the installation box (2).