A flexible intelligent die-casting island and an automatic production management system thereof
By using the thermal imaging components and control center of the flexible intelligent die-casting island, precise spraying of the thick and thin wall areas of the die-casting parts is achieved, solving the problem of uneven spraying in the production of multiple types of die-casting parts, improving production efficiency and casting quality, and extending mold life.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SICHUAN YUCHENG MACHINERY
- Filing Date
- 2023-05-05
- Publication Date
- 2026-06-05
AI Technical Summary
In the production of diversified and multi-variety die-casting products, the existing flexible spraying process is difficult to effectively control the spraying amount and path, resulting in low die-casting production efficiency, unstable casting quality, and shortened mold life.
By employing a flexible intelligent die-casting island, combined with thermal imaging components and a control center, the spraying amount and number of spraying operations are precisely controlled through analysis of the cavity temperature field. This enables customized release agent spraying for die-cast parts with thick and thin walls, avoiding the formation of slag inclusions and steam insulation layers.
It improves the quality and production efficiency of die-cast parts, extends mold life, ensures the uniformity and accuracy of spraying, prevents over-spraying and dead corners, and enhances the overall production effect.
Smart Images
Figure CN116586582B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of die casting, and more specifically, to a flexible intelligent die casting island and its automated production management system. Background Technology
[0002] In automated die-casting production, the appropriateness of the application of spraying technology directly affects production efficiency and casting quality. In recent years, the industry has promoted the use of contour spraying and micro-spraying, which can effectively avoid these problems. However, with the diversification and variety of die-casting products, most die-casting units adopt flexible spraying processes. Flexible spraying has wide adaptability, but in actual production, due to the differences in the cavities of different die-casting molds, achieving flexible spraying by adjusting the robot's spraying motion path involves many key control points, which has a certain impact on die-casting production efficiency, casting quality, and mold life. Summary of the Invention
[0003] The purpose of this invention is to provide a flexible intelligent die-casting island and its automated production management system, which can avoid excessive slag inclusions during the die-casting process and can apply targeted and effective release agent coating to the thick and thin wall areas of the die-casting parts, thereby improving product quality.
[0004] The embodiments of the present invention are implemented as follows:
[0005] A flexible intelligent die-casting island includes: a fixed die-casting mold, a movable die-casting mold, a contour spraying component, a thermal imaging component, and a control center. The fixed die-casting mold has a fixed inner mold inside; the movable die-casting mold has a movable inner mold inside; the contour spraying component sprays a release agent onto the fixed inner mold and the movable inner mold; the thermal imaging component acquires the pre-coating cavity temperature field and the cavity temperature field during coating of the fixed inner mold and the movable inner mold, respectively; the control center acquires the pre-coating cavity temperature field and the cavity temperature field during coating, and transmits the spraying command to the thermal imaging component after analysis and judgment.
[0006] In a preferred embodiment of the present invention, the above-mentioned contour spraying assembly arranges the spraying head, air nozzle and spraying module layout according to the structure of the fixed inner mold and the movable inner mold.
[0007] In a preferred embodiment of the present invention, the above-mentioned contour spraying component adjusts the spraying amount through a control valve after receiving the spraying command from the control center.
[0008] In a preferred embodiment of the present invention, the above-mentioned contour spraying assembly performs at least two spraying operations based on the obtained pre-coating cavity temperature field and the cavity temperature field during coating.
[0009] In a preferred embodiment of the present invention, the thermal imaging component includes: a first thermal imaging device, a second thermal imaging device, and a programmable logic controller. The first thermal imaging device is used to acquire the pre-coating cavity temperature field and the coating cavity temperature field of the fixed inner mold; the second thermal imaging device is used to acquire the pre-coating cavity temperature field and the coating cavity temperature field of the movable inner mold; and the programmable logic controller displays the images acquired by the first thermal imaging device and the second thermal imaging device on a display screen.
[0010] In a preferred embodiment of the present invention, the first thermal imaging device and the second thermal imaging device are used to acquire the first temperature before cavity spraying, the second temperature during the first spraying, the third temperature during the second spraying, and the N+1 temperature during the Nth spraying.
[0011] In a preferred embodiment of the present invention, the control center matches the first temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray head in the spraying range of 120-160°C will only spray once.
[0012] In a preferred embodiment of the present invention, the control center matches the second temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray heads in the spraying range of 160-200°C will spray once more.
[0013] In a preferred embodiment of the present invention, the control center matches the third temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray head in the spraying range of 200-230°C will spray once more.
[0014] An automated production management system for a flexible intelligent die-casting island, comprising any of the aforementioned flexible intelligent die-casting islands, for realizing automated production management of spraying.
[0015] The beneficial effects of the embodiments of the present invention are as follows: The flexible intelligent die-casting island in the present invention is equipped with a thermal imaging component and a control center. After analyzing the thermal imaging information, it is fed back to the conformal spraying component, and the spraying amount and spraying number are mapped to each precise spray head. The spraying amount and spraying number are controlled by a control valve, so that customized release agent spraying can be carried out at different positions of the die-casting part with different wall thicknesses, thereby preventing the problem of excessive spraying accumulation. Attached Figure Description
[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.
[0017] Figure 1 This is a flowchart of an embodiment of the present invention; Detailed Implementation
[0018] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, 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. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.
[0019] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.
[0020] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0021] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use. They are only for the convenience of describing this invention and simplifying the description, and do not 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. In addition, the terms "first," "second," "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.
[0022] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.
[0023] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0024] First Embodiment
[0025] Please see Figure 1 This embodiment provides a flexible intelligent die-casting island, which includes a fixed die-casting mold, a movable die-casting mold, a contour spraying component, a thermal imaging component, and a control center.
[0026] The fixed die-casting mold contains a fixed inner mold, and the movable die-casting mold contains a movable inner mold, used for product pump forming. The contour spraying assembly is customized according to the shape and structure of the fixed and movable inner molds, used to spray the release agent onto them. The thermal imaging assembly acquires the pre-coating and during-coating cavity temperature fields of the fixed and movable inner molds respectively. The control center acquires the pre-coating and during-coating cavity temperature fields, matches them with the cavity temperature field of the inner mold to determine the area to be sprayed by each nozzle in the contour spraying assembly, determines the amount of release agent sprayed and the spraying effect based on the acquired temperature, and transmits the spraying command to the thermal imaging assembly after analysis and judgment, finally performing the spraying operation.
[0027] The thermal imaging assembly includes a first thermal imaging device, a second thermal imaging device, and a programmable logic controller (PLC). The first thermal imaging device acquires the pre-coating cavity temperature field and the cavity temperature field during coating of the fixed inner mold. The second thermal imaging device acquires the pre-coating cavity temperature field and the cavity temperature field during coating of the movable inner mold. The PLC displays the images acquired by the first and second thermal imaging devices on a display screen. The first and second thermal imaging devices acquire a first temperature before coating, a second temperature during the first coating, a third temperature during the second coating, and an (N+1)th temperature during the Nth coating. The first temperature is the simulated mold temperature during actual die casting, the second temperature is the coating temperature of the release agent after cooling, and the third temperature is the coating temperature of the release agent after heating.
[0028] Since the die-casting temperature in this technical solution is controlled between 120-230℃, only three coats are applied. Specifically, the control center matches the first temperature thermal image obtained by the first and second thermal imaging devices with the spraying range of each spray head on the contour spraying assembly. Then, the fixed mold and the movable mold are heated to 120-170℃, and the spray heads in the 120-160℃ spraying range are identified. It is determined that these spray heads will only be sprayed once, while the control valves of other spray heads are allowed to open for the layering of release fluid.
[0029] Then, the control center matches the second temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly. The mold heating temperature is 160-210℃. The spray heads in the spraying range of 160-200℃ are determined to spray once more. Among them, the spray heads in the spraying range of 120-160℃ and above 200℃ spray inert gas argon to the corresponding area to replenish the inert gas and prevent the vapor layer from blocking water from directly contacting the high temperature cavity, thus forming a vapor insulation layer.
[0030] The control center matches the third temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly. The mold heating temperature is 200-240℃. The spray heads in the spraying range of 200-230℃ are sprayed again. For areas with a temperature of less than 200℃, inert gas argon is added again.
[0031] In this embodiment, the contour painting assembly arranges the spray head, nozzles, and modular painting layout according to the structure of the fixed inner mold and the movable inner mold. For example, a spiral spray head is used for straight groove cavities; a linear spray head is used for cavities with concealed surfaces. After receiving the painting command from the control center, the contour painting assembly adjusts the painting volume through a control valve. Based on the acquired pre-painting cavity temperature field and the cavity temperature field during painting, the contour painting assembly performs at least two painting operations.
[0032] An automated production management system for a flexible intelligent die-casting island, comprising any of the aforementioned flexible intelligent die-casting islands, for realizing automated production management of spraying.
[0033] The flexible intelligent die-casting island in this embodiment provides excellent adjustment criteria for high-quality die-casting spraying. It allows for customized spraying of release fluid for thick and thin sections of the die-casting part, ensuring film formation while preventing dead zones and slag inclusions caused by excessive spraying. The first two sprayings are at lower temperatures to prevent steam from forming a vapor insulation layer on the mold surface due to overheating of the cavity, which would prevent the sprayed water droplets from reaching the cavity surface and causing the release agent to fail. After spraying in the low-temperature area of the cavity, a second heating is applied to prevent the temperature from dropping even lower after spraying, which would cause the mold temperature to fail to meet process requirements and ultimately lead to cold shuts in the thin-walled sections of the die-casting part.
[0034] This specification describes examples of embodiments of the invention, but does not imply that these embodiments illustrate or describe all possible forms of the invention. It should be understood that the embodiments in the specification can be implemented in various alternative forms. The drawings are not necessarily drawn to scale; some features may be enlarged or reduced to show details of specific components. The specific structural and functional details disclosed should not be construed as limiting, but merely as a representative basis for teaching those skilled in the art to implement the invention in various forms. Those skilled in the art will understand that multiple features illustrated and described with reference to any of the drawings can be combined with features illustrated in one or more other drawings to form embodiments not explicitly illustrated or described. The illustrated combinations of features provide representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the invention may be used as needed for specific applications or implementations.
[0035] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention. Various modifications and variations can be made to the present invention by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the scope of protection of the present invention.
Claims
1. A flexible intelligent die-casting island, characterized in that, The flexible intelligent die-casting island includes: A fixed die-casting mold, wherein a fixed inner mold is provided inside the fixed die-casting mold; A movable die-casting mold, wherein a movable inner mold is provided inside the movable die-casting mold; A contour spraying assembly that sprays a release agent onto the fixed inner mold and the movable inner mold; A thermal imaging component is used to acquire the pre-coating cavity temperature field and the coating cavity temperature field of the fixed inner mold and the movable inner mold, respectively. The control center is used to acquire the pre-coating cavity temperature field and the coating cavity temperature field, and transmit the spraying command to the contour spraying component after analysis and judgment. The thermal imaging component includes: The first thermal imaging device is used to acquire the pre-coating cavity temperature field and the coating cavity temperature field of the fixed inner mold. The second thermal imaging device is used to acquire the pre-coating cavity temperature field and the cavity temperature field during coating of the movable inner mold. A programmable logic controller (PLC) displays the images acquired by the first thermal imaging device and the second thermal imaging device on a display screen. The first thermal imaging device and the second thermal imaging device are used to acquire the first temperature before cavity spraying, the second temperature during the first spraying, the third temperature during the second spraying, and the N+1 temperature during the Nth spraying. The control center matches the first temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray head in the 120-160℃ spraying range will only spray once. The control center matches the second temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray head in the spraying range of 160-200℃ will spray once more. The control center matches the third temperature thermal image obtained by the first thermal imaging device and the second thermal imaging device with the spraying range of each spray head on the contour spraying assembly, and determines that the spray head in the spraying range of 200-230℃ will spray once more.
2. The flexible intelligent die-casting island according to claim 1, characterized in that, The contour spraying assembly arranges the spraying head, nozzle, and spraying module layout according to the structure of the fixed inner mold and the movable inner mold.
3. The flexible intelligent die-casting island according to claim 2, characterized in that, After receiving the spraying command from the control center, the contour spraying assembly adjusts the spraying amount through the control valve.
4. The flexible intelligent die-casting island according to claim 3, characterized in that, The contour spraying assembly performs at least two spraying operations based on the pre-coating cavity temperature field and the cavity temperature field during coating.
5. An automated production management system for a flexible intelligent die-casting island, characterized in that, The automated production management system includes the flexible intelligent die-casting island as described in any one of claims 1-4, realizing automated production management of spraying.