Casting gate structure for casting automobile parts
By designing a casting gate structure for automotive parts with a pouring basin, heat insulation cover, and cross-shaped guide plate, the problems of insufficient molten metal flow and temperature control were solved, achieving an efficient and stable pouring process and improving casting quality and production efficiency.
Patent Information
- Application Number
- CN202520416742.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-11
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-11
AI Technical Summary
Traditional gating gate structures in automotive parts casting suffer from poor molten metal flow, eddy currents, and insufficient temperature control, resulting in low casting efficiency, unstable quality, and reduced yield.
A structure including a pouring basin, an insulation cover, a membrane sand filter, and a cross-shaped guide plate was designed. Through filtration, buffering, flow stabilization, and insulation measures, the smooth pouring of molten metal is ensured. A detachable feeding trough and water inlet are used for preheating to reduce temperature fluctuations of the molten metal.
It improves the fluidity and temperature control of molten metal, reduces shrinkage defects, enhances casting quality and yield, simplifies operation procedures, and increases production efficiency.
Smart Images
Figure CN223811526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a casting structure technical field especially relates to a kind of casting mouth structures of automobile parts casting. BACKGROUND
[0002] In the casting process of automobile parts, the casting mouth structure plays a vital role in ensuring the quality of castings and production efficiency. With the continuous development of the automobile industry, the precision, quality and production efficiency of automobile parts are increasingly improved. In the casting process, the liquidity of metal liquid, temperature control and smooth pouring directly affect the quality and yield of castings.
[0003] Currently, there are many problems in the casting mouth structure used in the casting of automobile parts. For example, the traditional pouring basin has a simple structure, which leads to large vortex phenomenon during the pouring process of metal liquid flow, making it difficult to pour smoothly and continuously, and unable to realize the operation of pouring while pouring metal liquid, resulting in low casting efficiency. In addition, the traditional casting mouth structure has deficiencies in heat preservation, which cannot effectively control the temperature loss of metal liquid, causing the temperature of metal liquid to decrease too quickly during pouring, resulting in poor liquidity and further producing shrinkage and defects, which seriously affect the quality and yield of castings. SUMMARY
[0004] To overcome the shortcomings of the prior art, the utility model provides a casting mouth structure for casting automobile parts, which has the advantages of filtering, buffering and stabilizing the flow of metal liquid, ensuring smooth and continuous pouring, and solving some problems raised in the background art.
[0005] The utility model provides the following technical scheme: a casting mouth structure for casting automobile parts, comprising a pouring basin and a heat preservation cover, an inner cavity is provided in the basin wall of the pouring basin, a buffer slope is provided on the pouring basin near the middle, a flow channel opening is provided in the middle of the lower end of the pouring basin, a flow stabilizing flat bottom is provided at the inner bottom of the pouring basin, the upper end of the flow channel opening is higher than the flow stabilizing flat bottom, a cross guide plate is fixedly installed inside the pouring basin near the lower side, a fixed rod is fixedly connected to the middle of the lower end of the heat preservation cover, a filter screen seat is fixedly connected to the lower end of the fixed rod, a coated sand filter screen is placed inside the filter screen seat, and the outer ring of the filter screen seat corresponds to the slope of the buffer slope.
[0006] Further, a detachable feeding chute is installed on the right end of the pouring basin near the upper side, the lower chute opening of the feeding chute is inclined downward at a certain angle and corresponds to the inside of the coated sand filter screen, and the inclined installation is beneficial to the flow of metal liquid.
[0007] Further, the inner cavity is provided with an injection port communicated at the left side of the upper end of the pouring basin, and the lower end of the heat preservation cover is fixedly provided with a heat preservation plug strip matched with the injection port, so that the heat loss is reduced and the heat preservation effect is improved.
[0008] Further, the cross flow guide plate is provided with uniformly distributed flow stabilizing holes, and the heat preservation cover is provided with uniformly distributed exhaust holes for exhausting high-temperature gas of the metal liquid to avoid gas swelling.
[0009] Further, the inner wall of the pouring basin is fixedly connected with a blocking strip near the upper side, and the heat preservation cover is placed at the upper end of the pouring basin through the blocking strip, so that the structure is simple and the heat preservation cover is convenient to use.
[0010] Further, the coated sand filter screen is attached to the inner wall of the filter screen seat, and the outer ring of the filter screen seat is provided with an overflow port near the lower side, so that the coated sand filter screen is convenient to take after use.
[0011] The utility model discloses the following effects:
[0012] 1. The automobile part casting pouring port structure provided by the utility model, through the preheating inner cavity, the heat preservation cover and the coated sand filter screen, the cooling reaction of the metal liquid in the pouring process is effectively avoided, the liquidity of the metal liquid is significantly improved, the formation of the shrinkage cavity and the defect is reduced, the casting can obtain more uniform temperature distribution in the solidification process, and therefore the overall quality and the yield of the casting are greatly improved, which means higher production efficiency and lower quality cost for the automobile part manufacturer.
[0013] 2. The design of the pouring port structure fully considers the operation convenience and flexibility in actual production, the inner cavity can be preheated through simple water injection operation, and complicated heating equipment or additional energy input is not needed, meanwhile, the design of the blocking strip and the heat preservation cover makes the heat preservation operation more simple and convenient, and in addition, the pouring operation and the metal liquid pouring operation are realized simultaneously in the pouring process, which greatly improves the pouring efficiency and shortens the production cycle. DRAWINGS
[0014] Fig. 1 It is a whole structure schematic view of the utility model;
[0015] Fig. 2 It is an internal section structure schematic view of the utility model;
[0016] Fig. 3 It is an internal top view structure schematic view of the utility model.
[0017] In the figure: 1, pouring basin; 2, inner cavity; 3, buffer slope; 4, flow channel mouth; 5, steady flow flat bottom; 6, cross guide vane; 7, steady flow hole; 8, heat preservation cover; 9, fixed rod; 10, filter screen seat; 11, film coated sand filter screen; 12, feeding chute; 13, water injection port; 14, heat preservation plug strip; 15, exhaust hole; 16, blocking strip; 17, overflow port. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] Please refer to Figs. 1-2The utility model provides a kind of automobile parts casting pouring gate structure, including pouring basin 1 and heat preservation cover 8, inner cavity 2 is provided in the basin wall of pouring basin 1, pouring basin 1 is provided with buffer slope 3 near middle, the lower end of pouring basin 1 is provided with runner mouth 4 in middle, the inner bottom of pouring basin 1 is provided with steady flow flat bottom 5, the upper end of runner mouth 4 is higher than steady flow flat bottom 5, cross flow guide plate 6 is fixedly installed in the inside of pouring basin 1 near lower side, fixed rod 9 is fixedly connected in the lower end middle of heat preservation cover 8, filter screen seat 10 is fixedly connected in the lower end of fixed rod 9, coated sand filter screen 11 is placed in the inside of filter screen seat 10, the slope of the outer ring of filter screen seat 10 corresponds to the slope of buffer slope 3, detachable feeding chute 12 is installed in the right end of pouring basin 1 in upper side, the lower slot of feeding chute 12 is inclined to a certain angle and corresponds to the inside of coated sand filter screen 11, when pouring, metal liquid can be poured into feeding chute 12 after feeding chute 12 is inserted into the corresponding position of pouring basin 1, metal liquid will flow to the inside of filter screen seat 10, and after filtering through coated sand filter screen 11, it flows down to buffer slope 3 through the setting of overflow port 17, and the metal liquid filtered of impurities will flow down along inner wall after the buffering effect of buffer slope 3, reduce flow rate, simultaneously, when passing through cross flow guide plate 6, it will be gathered at steady flow flat bottom 5 with vertical angle under the guidance of cross flow guide plate 6 and gravity, to avoid excessive vortex phenomenon, further, by the design that the upper end of runner mouth 4 is higher than the bottom surface of steady flow flat bottom 5, metal liquid flowing to bottom can be gathered to a certain height before pouring over runner mouth 4, and in the process of gathering, metal liquid will gradually tend to be stable, simultaneously, when the metal liquid poured gradually overflows cross flow guide plate 6, cross flow guide plate 6 can also effectively reduce the impact of metal liquid gathered on bottom area, to ensure that metal liquid can be poured steadily and continuously, the operation of pouring while pouring can be realized by the steady flow effect of the utility model, to reduce the influence caused by temperature reduction of metal liquid, improve pouring efficiency and ensure the production quality of casting.
[0020] Please refer to Figs. 2-3The inner cavity 2 is provided with a water inlet 13 at the left side of the upper end of the pouring basin 1 in communication, and the lower end of the heat preservation cover 8 is fixedly provided with a heat preservation plug strip 14 matched with the water inlet 13, hot water boiled is poured into the inner cavity 2 through the water inlet 13 and filled, so that the molten metal such as molten iron or molten aluminum will not be quenched when entering the pouring basin 1, which helps to improve the liquidity of the molten metal, reduce the formation of shrinkage and defects, and improve the quality and yield of the casting, and the operation is simple, the use cost is low, the heat preservation cover 8 can be directly covered on the upper end of the pouring basin 1 through the design of the blocking strip 16, the heat preservation effect is improved, the cross flow guide plate 6 is provided with uniformly distributed flow stabilizing holes 7 for reducing the impact of the molten metal and keeping the pressure of the molten metal in each area the same, which helps to keep the liquid level stable, the heat preservation cover 8 is provided with uniformly distributed exhaust holes 15, the inner wall of the pouring basin 1 is fixedly connected with the blocking strip 16 near the upper side, the heat preservation cover 8 is placed on the upper end of the pouring basin 1 through the blocking strip 16, the coated sand filter screen 11 is matched with the inner wall of the filter screen seat 10, and the outer circle of the filter screen seat 10 is provided with an overflow port 17 near the lower side, so as to guarantee the rationality of the structure.
[0021] Working principle: hot water boiled is poured into the inner cavity 2 through the water inlet 13 and filled, the heat preservation cover 8 can be directly covered on the upper end of the pouring basin 1 through the design of the blocking strip 16, the heat preservation effect is improved, during casting, the feeding chute 12 is inserted into the corresponding position of the pouring basin 1, then the molten metal is poured into the feeding chute 12, the molten metal flows into the inner cavity of the filter screen seat 10, and after being filtered by the coated sand filter screen 11, it flows downward to the buffer slope surface 3 through the overflow port 17, the molten metal filtered of impurities flows downward along the inner wall after the buffering effect of the buffer slope surface 3, the flow rate is reduced, and at the same time, when passing through the cross flow guide plate 6, it will be collected at the flow stabilizing flat bottom 5 at a vertical angle under the guidance of the cross flow guide plate 6 and the action of gravity, further, the upper port of the flow channel port 4 is higher than the bottom surface of the flow stabilizing flat bottom 5, so that the molten metal flowing to the bottom is gathered to a certain height before pouring through the flow channel port 4, and in the gathering process, the molten metal gradually tends to be stable, and when the poured molten metal gradually flows over the cross flow guide plate 6, the cross flow guide plate 6 can also effectively reduce the impact of the incoming molten metal on the bottom area.
Claims
1. A gating structure for casting of an automotive component comprising a sprue basin (1) and an insulating cover (8), characterized in that: The inner wall of the pouring basin (1) is fixedly connected with a baffle (16) near the upper side, and the heat preservation cover (8) is placed on the upper end of the pouring basin (1) through the baffle (16).
2. The gating structure for casting of an automotive component according to claim 1, wherein: The right end of the pouring basin (1) is provided with a detachable feeding chute (12) on the upper side, and the lower slot of the feeding chute (12) is inclined downward by a certain angle and corresponds to the inner part of the coated sand filter screen (11).
3. The gating structure for casting of an automotive component according to claim 1, wherein: The inner cavity (2) is provided with a water injection port (13) connected in communication on the left side of the upper end of the pouring basin (1), and the lower end of the heat preservation cover (8) is fixedly provided with a heat preservation plug strip (14) matched with the water injection port (13).
4. The gating structure for casting of an automotive component according to claim 1, wherein: The cross flow guide plate (6) is provided with uniformly distributed flow stabilizing holes (7), and the heat preservation cover (8) is provided with uniformly distributed air vents (15).
5. The gating structure for casting of an automotive component according to claim 1, wherein: The inner wall of the pouring basin (1) is fixedly connected with a baffle (16) near the upper side, and the heat preservation cover (8) is placed on the upper end of the pouring basin (1) through the baffle (16).
6. The gating structure for casting of an automotive component according to claim 1, wherein: The coated sand filter screen (11) is attached to the inner wall of the filter screen seat (10), and the outer ring of the filter screen seat (10) is provided with an overflow port (17) near the lower side.