Vertical parting molding machine
By incorporating a stabilizing mechanism into the vertical parting molding machine, the instability caused by guide rod deformation was resolved, thus improving work efficiency.
Patent Information
- Application Number
- CN202511145763.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-15
- Publication Date
- 2025-11-18
AI Technical Summary
The guide rods of vertical parting molding machines are prone to deformation during operation, which reduces the stability of the production equipment and affects work efficiency.
A stabilizing mechanism, including components such as a connecting frame, guide column, and slide, is installed between the hydraulic rod and the base to ensure the stability of the hydraulic rod and guide column during movement and improve the working stability of the positive and negative pressure plates.
The stabilizing mechanism improves the stability of the hydraulic rod and guide column, thereby increasing the equipment's working efficiency.
Smart Images

Figure CN120961859A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of molding and parting machine technology, and particularly relates to a vertical parting molding machine. Background Technology
[0002] A parting line molding machine is a foundry device used to manufacture sand molds. Its main functions are: filling with sand, introducing loose molding sand into the sand box; compacting the sand, using methods such as vibration, pressing, and injection to compact the loose molding sand in the sand box, ensuring the sand mold has the necessary strength during handling and pouring; and removing the pattern from the compacted sand mold using various mechanisms. Because parting line molding machines are large and heavy, the guide rods are prone to deformation during operation, leading to reduced equipment stability and impacting work efficiency. Summary of the Invention
[0003] The purpose of this invention is to provide a vertical parting molding machine to solve the problems existing in the prior art.
[0004] To achieve the above objectives, the present invention provides the following solution: The present invention provides a vertical parting molding machine, including a base, a hydraulic rod on the top surface of the base, a positive pressure plate fixedly connected to the hydraulic rod, a linkage mechanism on the end of the base away from the hydraulic rod, a reverse pressure plate being drivenly connected to the linkage mechanism, a connecting frame fixedly connected to the end of the hydraulic rod away from the positive pressure plate, a stabilizing mechanism between the connecting frame and the base, the stabilizing mechanism including a first stabilizing part fixedly connected to the bottom of the connecting frame, the first stabilizing part being slidably connected to the bottom surface of the base, a top plate fixedly connected to the top surface of the base through a plurality of first connecting columns, and a sand-shooting cylinder and a pressure air bag communicating with each other on the top surface.
[0005] Preferably, the connecting frame includes a collar fixedly connected to the hydraulic rod, with first connecting plates symmetrically fixedly connected to both sides of the collar, and support legs symmetrically fixedly connected to both sides of the first connecting plates. A connecting ring is fixedly connected to the end of each support leg away from the first connecting plate, and a first guide post is fixedly connected inside the connecting ring. The first guide post is fixedly connected to the positive pressure plate, and a first connecting rod is symmetrically fixedly connected between the base and the top plate. The first guide post and the first connecting rod adjacent to it are slidably connected, and a second stabilizing part is provided between the first connecting rod and the positive pressure plate.
[0006] Preferably, the first stabilizing part includes a second connecting rod fixed to the bottom surface of the collar, a second connecting plate fixed to the bottom surface of the second connecting rod, a first connecting seat fixed between the first connecting post and the first connecting rod, the first connecting seat being fixed to the top surface of the base, a first sliding groove being provided on the side of the first connecting seat near the second connecting plate, and the two ends of the second connecting plate being slidably connected in the first sliding groove.
[0007] Preferably, the top surface of the base is provided with a second sliding groove, which is parallel to the first sliding groove, and the bottom surface of the second connecting plate is fixedly connected with a third connecting rod, the bottom of which is slidably connected in the second sliding groove.
[0008] Preferably, the bottom surface of the third connecting rod is provided with a first groove, and a guide wheel is rotatably connected in the first groove. The bottom surface of the second sliding groove is provided with a second groove, and the guide wheel is adapted to the second groove.
[0009] Preferably, a third connecting plate is fixedly connected to the side of the first connecting plate away from the collar, and a fourth connecting rod is fixedly connected to each side of the third connecting plate away from the first connecting plate. The side of the fourth connecting rod away from the third connecting plate is fixedly connected to the support leg. A second guide post is slidably connected inside the fourth connecting rod, and the two ends of the second guide post are fixedly connected to the first connecting post and the first connecting rod, respectively.
[0010] Preferably, the second stabilizing part includes a fourth connecting plate fixed to the first guide post, the fourth connecting plate being located between the first connecting rod and the positive pressure plate, and guide members being symmetrically slidably connected to both sides of the bottom of the fourth connecting plate.
[0011] Preferably, the guide includes a second connecting seat fixed to the top surface of the base. The second connecting seat is located at the end of the first connecting rod away from the first connecting seat. A third guide post is fixed to the end of the second connecting seat away from the first connecting rod. The third guide post is fixed to the second connecting seat. A third connecting seat is fixed to the end of the third guide post away from the second connecting seat. The third connecting seat is fixed to the top surface of the base.
[0012] Preferably, the pressure air bag is fixed to the top surface of the top plate via a plurality of second connecting columns.
[0013] The present invention discloses the following technical effects: In order to maintain the stability of the first guide column during the process of the hydraulic rod pushing the positive pressure plate, a stabilizing mechanism is set between the connecting frame and the base to maintain the stability of the hydraulic rod and the first guide column during the movement, thereby improving the stability of the positive pressure plate and the negative pressure plate during operation, and thus improving work efficiency. Attached Figure Description
[0014] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application. In the drawings:
[0015] Figure 1 This is a schematic diagram of the vertical parting molding machine of the present invention;
[0016] Figure 2 For the present invention Figure 2 A magnified view of part A in the image;
[0017] Figure 3 For the present invention Figure 2 A magnified view of part B in the image;
[0018] Figure 4 This is a schematic diagram of the internal structure of the second slide groove of the present invention.
[0019] In the diagram: 1. Base; 2. Hydraulic rod; 3. Positive pressure plate; 4. Linkage mechanism; 5. Counterpressure plate; 6. First connecting column; 7. Top plate; 8. Sand-shooting cylinder; 9. Pressure air tank; 10. Collar; 11. First connecting plate; 12. Support leg; 13. Connecting ring; 14. First guide column; 15. First connecting rod; 16. Second connecting rod; 17. Second connecting plate; 18. First connecting seat; 19. First slide groove; 20. Second slide groove; 21. Third connecting rod; 22. First groove; 23. Guide wheel; 24. Second groove; 25. Third connecting plate; 26. Fourth connecting rod; 27. Second guide column; 28. Fourth connecting plate; 29. Second connecting seat; 30. Third guide column; 31. Third connecting seat; 32. Second connecting column. Detailed Implementation
[0020] The emergence of vertical parting molding technology is closely related to the casting industry's enduring pursuit of efficiency and precision. During the Industrial Revolution of the late 19th century, traditional manual molding processes could no longer meet the demands of large-scale mechanized manufacturing. Early foundry workers manually filled and compacted sand using wooden molds, then manually parted and removed the molds. This method was not only inefficient, but the quality of the castings also heavily relied on the worker's experience. With the introduction of steam power and mechanical transmission technology, semi-mechanized molding equipment began to appear, but horizontal parting structures still dominated. Their parting surfaces were parallel to the ground, requiring significant lateral space for mold opening and closing, and sand mold handling relied on manual labor or simple machinery, significantly limiting production cycle time.
[0021] The concept of vertical parting lines represents a disruptive innovation to traditional parting methods. In the early 20th century, German engineers, while studying the dynamics of sand molding, discovered that when the parting surface is perpendicular to the ground, the uniformity of sand filling under gravity is significantly improved, and the trajectory required for mold opening and closing better aligns with mechanical transmission characteristics. This discovery led to the birth of the first generation of vertical parting molding machines. Their core structure employs a vertically arranged template system, achieving precise opening and closing of the upper and lower molds through hydraulic or mechanical transmission. Compared to horizontal parting equipment, vertical parting molding machines exhibit a significant advantage in space utilization, allowing for more workstations within the same floor area. Furthermore, the vertical descent of the sand mold reduces horizontal transportation links, laying the structural foundation for automated production.
[0022] Technical Characteristics of Vertical Parting Molding Machine
[0023] Space efficiency and production cycle advantages
[0024] The vertical parting structure gives the equipment a "tall and slender" layout, requiring only 60%-70% of the floor space of horizontal parting equipment for the same production capacity. The vertical movement trajectory of the template is consistent with the direction of gravity descent of the sand mold, and with the help of an automated part-retrieving robot, the single cycle time can be shortened to less than 15 seconds. This efficient layout is particularly evident in the production of small and medium-sized castings such as automotive engine blocks and cylinder heads, where multi-station vertical parting molding lines can achieve a high-frequency output of 10-15 molds per minute.
[0025] Sand mold quality control mechanism
[0026] In the vertical parting process, sand fills the mold cavity under the combined action of gravity and template compression. This filling method makes it easier to achieve dense packing of sand particles compared to horizontal parting. By optimizing the surface roughness of the template cavity and the design of the venting structure, porosity defects inside the sand mold can be effectively reduced. Simultaneously, the vertical parting structure facilitates the integration of online hardness testing devices, enabling real-time monitoring of the sand mold density distribution via laser scanning or ultrasonic testing, providing data support for dynamic adjustment of process parameters.
[0027] Environmental protection and energy conservation technology pathways
[0028] Modern vertical parting molding machines generally employ a closed sand treatment system. Dust generated during mold opening and closing is centrally treated via negative pressure suction, and waste heat is recovered through a mold preheating device, reducing energy consumption by 25%-35% compared to traditional equipment. For mold lubrication, dry lubrication technology replaces traditional oil mist lubrication, avoiding oil mist pollution of the working environment. Furthermore, the application of a special coating on the mold surface extends its service life, reduces mold replacement frequency, and indirectly reduces resource consumption during production.
[0029] Expanding the Application Areas of Vertical Parting Molding Machines
[0030] The core support of the automotive industry
[0031] Vertical parting molding machines demonstrate unique advantages in the production of complex castings such as automotive engine blocks and transmission housings. Their multi-station layout allows for the integration of multiple mold sets, enabling mixed-line production of different casting models. Combined with a rapid mold change system, changeover time can be controlled within 30 minutes. This flexible production capability allows foundries to quickly respond to the diverse, small-batch production needs of automotive OEMs.
[0032] Breakthrough in the field of construction machinery
[0033] The successful development of a large-scale vertical parting molding machine has ushered in an era of automation for the casting of structural components for construction machinery such as excavators and loaders. Through the modular design and synchronous control technology, the equipment can manufacture giant sand molds weighing up to 5 tons each. Combined with automated pouring robots, it achieves fully unmanned operation of large castings from molding to pouring.
[0034] Technology Empowerment of Precision Casting
[0035] In the fields of aerospace and high-end equipment manufacturing, the combination of vertical parting molding machines and 3D printing technology has given rise to the "direct sand printing" process. By integrating a high-precision inkjet printhead into the vertical parting equipment, sand molds can be printed directly on the surface of the template layer by layer, eliminating the traditional mold manufacturing process and making it possible to cast complex flow channels and thin-walled structures.
[0036] Despite significant progress in vertical parting molding technology, challenges remain in areas such as the production of ultra-large castings and adaptability to extreme working conditions. Current research focuses on three main areas: first, developing an AI-based adaptive process parameter system to establish a mapping model between sand mold quality and equipment parameters through machine learning; second, exploring novel environmentally friendly binder systems to completely solve the waste sand regeneration problem of chemically bonded sand; and third, developing a modular equipment architecture that enables rapid reconfiguration of different functional units through standard interfaces, further enhancing the flexibility of the equipment.
[0037] Looking ahead, vertical parting line molding machines will be deeply integrated into intelligent manufacturing systems, merging with technologies such as digital twins and the Industrial Internet of Things to achieve full-process digital control from sand mold design to casting inspection. Driven by the "dual carbon" goal, the equipment will develop towards a green direction throughout its entire life cycle, promoting the transformation of the foundry industry towards an efficient, clean, and sustainable production model through technologies such as material recycling and intelligent energy management.
[0038] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0039] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
[0040] Reference Figures 1-4As shown, this embodiment provides a vertical parting molding machine, including a base 1. A hydraulic rod 2 is provided on the top surface of the base 1. A positive pressure plate 3 is fixedly connected to the hydraulic rod 2. A linkage mechanism 4 is provided at the end of the base 1 away from the hydraulic rod 2. A counter-pressure plate 5 is transmittedly connected to the linkage mechanism 4. A connecting frame is fixedly connected to the end of the hydraulic rod 2 away from the positive pressure plate 3. A stabilizing mechanism is provided between the connecting frame and the base 1. The stabilizing mechanism includes a first stabilizing part fixedly connected to the bottom of the connecting frame. The first stabilizing part is slidably connected to the bottom surface of the base 1. A top plate 7 is fixedly connected to the top surface of the base 1 through a plurality of first connecting columns 6. A sand-shooting cylinder 8 and a pressure air bag 9 are provided on the top surface and are interconnected.
[0041] During the process of the hydraulic rod 2 pushing the positive pressure plate 3 to work, in order to maintain the stability of the first guide column 14, a stabilizing mechanism is set between the connecting frame and the base 1 to maintain the stability of the hydraulic rod 2 and the first guide column 14 during the movement, thereby improving the stability of the positive pressure plate 3 and the negative pressure plate 5 during operation.
[0042] The scheme is further optimized. The connecting frame includes a collar 10 fixedly connected to the hydraulic rod 2. A first connecting plate 11 is symmetrically fixedly connected to both sides of the collar 10. A support leg 12 is symmetrically fixedly connected to both sides of the first connecting plate 11. A connecting ring 13 is fixedly connected to the end of the support leg 12 away from the first connecting plate 11. A first guide post 14 is fixedly connected inside the connecting ring 13. The first guide post 14 is fixedly connected to the positive pressure plate 3. A first connecting rod 15 is symmetrically fixedly connected between the base 1 and the top plate 7. The first guide post 14 and the first connecting rod 15 adjacent to it are slidably connected. A second stabilizing part is provided between the first connecting rod 15 and the positive pressure plate 3.
[0043] During the movement of the hydraulic rod 2, it drives the collar 10 to move, which in turn drives the outrigger 12, the connecting ring 13 and the first guide post 14 to move through the collar 10.
[0044] In a further optimized design, the first stabilizing part includes a second connecting rod 16 fixed to the bottom surface of the collar 10, a second connecting plate 17 fixed to the bottom surface of the second connecting rod 16, a first connecting seat 18 fixed between the first connecting post 6 and the first connecting rod 15, the first connecting seat 18 fixed to the top surface of the base 1, a first sliding groove 19 provided on the side of the first connecting seat 18 near the second connecting plate 17, and the two ends of the second connecting plate 17 slidably connected in the first sliding groove 19 respectively.
[0045] During the movement of the hydraulic rod 2, the collar 10 drives the second connecting rod 16 to move, and the second connecting rod 16 drives the second connecting plate 17 to slide along the first slide groove 19.
[0046] In a further optimized design, the top surface of the base 1 is provided with a second sliding groove 20, which is parallel to the first sliding groove 19. The bottom surface of the second connecting plate 17 is fixedly connected with a third connecting rod 21, and the bottom of the third connecting rod 21 is slidably connected in the second sliding groove 20.
[0047] In a further optimized design, the bottom surface of the third connecting rod 21 is provided with a first groove 22, and a guide wheel 23 is rotatably connected inside the first groove 22. The bottom surface of the second sliding groove 20 is provided with a second groove 24, and the guide wheel 23 is adapted to the second groove 24.
[0048] Driven by the second connecting plate 17, the third connecting rod 21 slides along the second sliding groove 20, while the guide wheel 23 moves in the second groove 24, providing support for the movement of the second connecting plate 17.
[0049] In a further optimized design, a third connecting plate 25 is fixedly connected to the side of the first connecting plate 11 away from the collar 10. A fourth connecting rod 26 is fixedly connected to both sides of the third connecting plate 25 away from the first connecting plate 11. The side of the fourth connecting rod 26 away from the third connecting plate 25 is fixedly connected to the support leg 12. A second guide post 27 is slidably connected inside the fourth connecting rod 26. The two ends of the second guide post 27 are fixedly connected to the first connecting post 6 and the first connecting rod 15, respectively.
[0050] To improve the stability of the outrigger 12 during movement, the fourth connecting rod 26 slides along the second guide post 27.
[0051] In a further optimized design, the second stabilizing part includes a fourth connecting plate 28 fixed to the first guide post 14. The fourth connecting plate 28 is located between the first connecting rod 15 and the positive pressure plate 3. Guide members are symmetrically slidably connected to both sides of the bottom of the fourth connecting plate 28.
[0052] In a further optimized design, the guide component includes a second connecting seat 29 fixedly attached to the top surface of the base 1. The second connecting seat 29 is located at the end of the first connecting rod 15 away from the first connecting seat 18. A third guide post 30 is fixedly attached to the end of the second connecting seat 29 away from the first connecting rod 15. The third guide post 30 is fixedly attached to the second connecting seat 29. A third connecting seat 31 is fixedly attached to the end of the third guide post 30 away from the second connecting seat 29. The third connecting seat 31 is fixedly attached to the top surface of the base 1.
[0053] To improve the stability of the first guide rod during its movement, multiple first guide rods are fixed by the fourth connecting plate 28, and the fourth connecting plate 28 slides along the third guide post 30.
[0054] The design was further optimized so that the pressure air tank 9 was fixed to the top surface of the top plate 7 through multiple second connecting columns 32.
[0055] In the description of this invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this invention, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention.
[0056] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Various modifications and improvements made by those skilled in the art to the technical solutions of the present invention without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims
1. A vertical parting molding machine, characterized in that: The base (1) includes a base (1), a hydraulic rod (2) on the top surface of the base (1), a positive pressure plate (3) fixedly connected to the hydraulic rod (2), a linkage mechanism (4) on the end of the base (1) away from the hydraulic rod (2), a counter-pressure plate (5) connected to the linkage mechanism (4), a connecting frame fixedly connected to the end of the hydraulic rod (2) away from the positive pressure plate (3), a stabilizing mechanism between the connecting frame and the base (1), the stabilizing mechanism including a first stabilizing part fixedly connected to the bottom of the connecting frame, the first stabilizing part being slidably connected to the bottom surface of the base (1), a top plate (7) fixedly connected to the top surface of the base (1) by a plurality of first connecting columns (6), and a sand-shooting cylinder (8) and a pressure air bag (9) connected to each other on the top surface.
2. The vertical parting molding machine according to claim 1, characterized in that: The connecting frame includes a collar (10) fixedly connected to the hydraulic rod (2). A first connecting plate (11) is symmetrically fixedly connected to both sides of the collar (10). A support leg (12) is symmetrically fixedly connected to both sides of the first connecting plate (11). A connecting ring (13) is fixedly connected to one end of the support leg (12) away from the first connecting plate (11). A first guide post (14) is fixedly connected inside the connecting ring (13). The first guide post (14) is fixedly connected to the positive pressure plate (3). A first connecting rod (15) is symmetrically fixedly connected between the base (1) and the top plate (7). The first guide post (14) and the first connecting rod (15) adjacent to it are slidably connected. A second stabilizing part is provided between the first connecting rod (15) and the positive pressure plate (3).
3. The vertical parting molding machine according to claim 2, characterized in that: The first stabilizing part includes a second connecting rod (16) fixed to the bottom surface of the collar (10), a second connecting plate (17) fixed to the bottom surface of the second connecting rod (16), a first connecting seat (18) fixed between the first connecting column (6) and the first connecting rod (15), the first connecting seat (18) fixed to the top surface of the base (1), a first sliding groove (19) is provided on the side of the first connecting seat (18) near the second connecting plate (17), and the two ends of the second connecting plate (17) are slidably connected in the first sliding groove (19).
4. The vertical parting molding machine according to claim 3, characterized in that: The top surface of the base (1) is provided with a second sliding groove (20), which is parallel to the first sliding groove (19). The bottom surface of the second connecting plate (17) is fixedly connected with a third connecting rod (21), and the bottom of the third connecting rod (21) is slidably connected in the second sliding groove (20).
5. The vertical parting molding machine according to claim 4, characterized in that: The bottom surface of the third connecting rod (21) is provided with a first groove (22), and a guide wheel (23) is rotatably connected in the first groove (22). The bottom surface of the second sliding groove (20) is provided with a second groove (24), and the guide wheel (23) is adapted to the second groove (24).
6. The vertical parting molding machine according to claim 2, characterized in that: A third connecting plate (25) is fixedly connected to the side of the first connecting plate (11) away from the collar (10). A fourth connecting rod (26) is fixedly connected to both sides of the third connecting plate (25) away from the first connecting plate (11). The side of the fourth connecting rod (26) away from the third connecting plate (25) is fixedly connected to the support leg (12). A second guide post (27) is slidably connected inside the fourth connecting rod (26). The two ends of the second guide post (27) are fixedly connected to the first connecting post (6) and the first connecting rod (15) respectively.
7. The vertical parting molding machine according to claim 3, characterized in that: The second stabilizing part includes a fourth connecting plate (28) fixed to the first guide post (14). The fourth connecting plate (28) is located between the first connecting rod (15) and the positive pressure plate (3). Guide members are symmetrically slidably connected to both sides of the bottom of the fourth connecting plate (28).
8. The vertical parting molding machine according to claim 7, characterized in that: The guide includes a second connecting seat (29) fixed to the top surface of the base (1). The second connecting seat (29) is located at the end of the first connecting rod (15) away from the first connecting seat (18). A third guide post (30) is fixed to the end of the second connecting seat (29) away from the first connecting rod (15). The third guide post (30) is fixed to the second connecting seat (29). A third connecting seat (31) is fixed to the end of the third guide post (30) away from the second connecting seat (29). The third connecting seat (31) is fixed to the top surface of the base (1).
9. The vertical parting molding machine according to claim 1, characterized in that: The pressure air tank (9) is fixed to the top surface of the top plate (7) through a plurality of second connecting columns (32).