Combined valve release agent spraying system

Abstract

The utility model discloses a combination valve release agent spraying system which comprises a main control assembly, a combination valve assembly and a spraying assembly. The main control assembly comprises a release agent main valve and a compressed air main valve; the combined valve assembly comprises a release agent branch valve, an atomization sweeping air valve and a gas-liquid mixer, the release agent branch valve is connected with the release agent main valve through a connecting pipeline, the atomization sweeping air valve is connected with the compressed air main valve through a connecting pipeline, and the gas-liquid mixer is connected with the release agent branch valve and the atomization sweeping air valve; the spraying assembly comprises a spraying gun, and the spraying gun is connected with the gas-liquid mixer through a connecting pipeline. According to the combination valve release agent spraying system, various piston spraying guns needing to be connected into an atomization gas source pipeline, a control gas source pipeline and a release agent liquid pipeline in the prior art are omitted, the structure is compact and simple, the number of parts is small, the control mode is stable and reliable, the manufacturing and maintenance cost is low, the spraying effect and spraying efficiency are improved, and the development requirements of quality improvement, efficiency improvement and cost reduction of enterprises can be met.

Description

Technical Field

[0001] The utility model relates to the field of casting supporting equipment, in particular to a combined valve release agent spraying system. Background Art

[0002] With the rapid development of the automotive, communications, and electronics manufacturing industries, a large number of companies have emerged in the metal die-casting, injection molding, thermoplastic mold, rubber and other industries. In these various foundry industries, the performance of the release agent spraying system plays a vital role in production, directly affecting production efficiency, mold life, product quality, subsequent processing steps, the entire production process, production costs and the competitiveness of the company. Based on the current usage, it is found that this type of spraying system has many shortcomings that can be optimized and improved. It is necessary to develop a release agent spraying system with better performance and stability to meet the current needs of foundry automation. At present, some of the following existing problems and shortcomings are urgently needed to be solved:

[0003] 1. Control working mode: The existing spraying system adopts a decentralized control system combining electric control and pneumatic control.

[0004] (1) Spraying uses the controller output voltage → pneumatic solenoid valve working output air source → open the spray gun pneumatic piston → water and gas are mixed from the piston outlet and atomized to spray the release agent onto the mold. Multiple controls affect the production rhythm. Each spray gun group and each spray gun need to be independently connected to the atomization air source, control air source, and release agent liquid three-way pipeline and its control output through a hose to work properly, and perform terminal atomization to spray the release agent onto the mold. Each spray gun is an actuator composed of a complex micro cylinder.

[0005] (2) A dedicated air blowing control system is required to clean the mold residue before spraying and to blow away the release agent liquid on the mold after spraying.

[0006] 2. Design and construction of the spraying system. In the existing technology, each spraying system has dozens of spray guns and dozens of purge and blow guns. Each spray gun in the spraying system (various brands) is composed of one or two pistons, multiple seals, and a pressure spring. The structure is complex, and the pistons and seals are very small. Therefore, the dimensional accuracy requirements of their components are relatively high. Most of them are non-standard parts, which are easily damaged, causing the pistons to become stuck or leak. The internal control air ducts are small and easily clogged, preventing normal air supply to open the pistons. Because each spray gun is connected to three pipelines for the atomizing air source, the control air source, and the release agent liquid, very fine plastic hoses and connectors are required to connect to the diverter block. Each spray gun is equipped with three hoses and six connectors, and each purge and blow gun is equipped with one hose and two connectors. If a set of 80 spray guns is equipped with 320 hoses and 640 connectors, the consumption is very large.

[0007] 3. Performance stability. Due to the adoption of the above-mentioned control working mode and design structure, each spraying system in the existing technology is equipped with a large number of spray guns (usually dozens of them depending on the size of the machine model). This often leads to unsatisfactory performance stability, which affects production. The main problems include blockage, aging and cracking of various air pipes, dislocation, bending, aging and damage of joints, blockage of internal holes of the spray gun, aging of seals, and difficulty in purchasing non-standard parts. These problems in turn lead to many other problems such as poor atomization effect of the spraying system, piston failure to open, lack of release agent spraying, piston failure to close, and leakage of liquid and air.

[0008] 4. Manufacturing and maintenance costs. Due to the use of the above-mentioned control working mode and design structure, the existing technology of the entire spray system is complex in structure, complicated in control, and expensive (mostly using imported and non-standard parts). A single spray gun costs hundreds to thousands of yuan, and is equipped with a large number of imported joints and air pipes. Non-standard parts are difficult to purchase, and the large number of parts used increases the probability of failure. Because many parts such as pipes and joints are installed in the same narrow space, leaks are difficult to repair. Utility Model Content

[0009] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention proposes a combined valve release agent spraying system with a compact and simple structure, a small number of parts, a stable and reliable control method, low manufacturing and maintenance costs, and improved spraying effects and efficiency, meeting the development needs of enterprises for improving quality, increasing efficiency, and reducing costs.

[0010] The technical solution adopted by the utility model to solve its technical problems is:

[0011] A combination valve release agent spraying system, comprising

[0012] Main control components, including release agent main valve and compressed air main valve;

[0013] A combined valve assembly includes a release agent branch valve, an atomizing purge air valve, and a gas-liquid mixer, wherein the release agent branch valve is connected to the release agent main valve via a connecting pipe, the atomizing purge air valve is connected to the compressed air main valve via a connecting pipe, and the gas-liquid mixer is connected to the release agent branch valve and the atomizing purge air valve;

[0014] The spraying assembly comprises a spraying gun, which is connected to the gas-liquid mixer through a connecting pipe.

[0015] According to some embodiments of the present invention, the combination valve assembly is provided in multiple groups, and the multiple groups of the combination valve assemblies are connected to the main control assembly.

[0016] According to some embodiments of the present invention, the spraying assembly is also provided in multiple groups, one group of the spraying assembly is correspondingly connected to one group of the combination valve assembly, and one group of the spraying assembly includes multiple spray guns.

[0017] According to some embodiments of the present invention, a group of the spraying assembly includes 10 spraying guns.

[0018] According to some embodiments of the present invention, an integrated seat is further included, and the main control component and the combination valve component are installed on the integrated seat.

[0019] According to some embodiments of the present invention, integrated plates are provided on both sides of the integrated seat, and the spraying assembly is installed on the integrated plates.

[0020] According to some embodiments of the present invention, a plurality of spray gun arrays are provided on the integrated board.

[0021] According to some embodiments of the present invention, the integrated seat and the integrated board are made of aluminum alloy.

[0022] According to some embodiments of the present invention, the connecting pipe is processed in the integrated seat and the integrated board.

[0023] According to some embodiments of the present invention, the spray gun is provided with a universal ball head for adjusting the spraying direction.

[0024] A release agent spraying system for a combined valve according to an embodiment of the present invention has at least the following beneficial effects:

[0025] (1) The control mode is optimized from the original distributed control combining electric control and pneumatic control to a single electrified centralized control design. The solenoid valves and connecting pipes controlling the entire spraying system are designed, installed and processed on an integrated combined valve seat. There is no need to use the soft oil pipes connecting the various components of the valve body in the original technology, and the response action is faster and more reliable.

[0026] (2) Thanks to the design of an integrated integrated combination valve electronically controlled spraying system, the number of main control solenoid valves for each spraying component (assuming 10 guns) of the original technology is reduced from 4 to 2 (one release agent branch valve and one atomizing purge air valve). The gas and release agent are respectively distributed to each spray gun through the release agent main valve, the compressed air main valve, the release agent branch valve, and the atomizing purge air valve through the gas-liquid mixer, thereby reducing the control process of the original technology and eliminating the need for each type of piston spray gun to be connected to the three-way pipeline of the atomizing gas source, the control gas source, and the release agent liquid. This prevents the original technology spray gun from being damaged due to air pipe damage and aging of seals. In order to solve the problems of the piston being unable to open and close normally, the three-way plastic air pipe and joint of the original spray gun were cancelled, and the original independent purge and blowing control mode was cancelled. The current technology processes all connecting pipes for spraying, purge and blowing and other functions into the aluminum alloy plate, eliminating many problems such as air pipe aging, water leakage and air leakage, and meeting the three functions of separate liquid spraying, separate purge and blowing, and separate spray atomization. In actual production applications, each group of spraying and cleaning work can be started in any combination according to the product process technology needs. Installing a gas-liquid mixer in each group can make the release agent and gas mix more evenly, and improve the spraying performance to be more reliable and stable.

[0027] (3) Thanks to the design of an integrated integrated combination valve electronically controlled spraying system, the original control working mode and design structure scheme have been changed, which greatly saves the use of solenoid valves and reduces the cost by 50% in the original technical scheme. The actuator spray gun composed of the original complex micro cylinder is changed to a simple spray gun that does not require external control, and the cost can be reduced by 90%. The new technology design combines the spray gun and the purge and blow gun into one on the same gun, eliminating the original technology's entire set of separate purge and blow gun control functions, the entire cost investment of the three-way plastic air pipe and connector of the spray gun, and the subsequent maintenance expenses.

[0028] Additional aspects and advantages of the present invention will be given in part in the following description and will become apparent from the following description or learned through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the embodiments of the present invention or the technical solutions of the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0030] Figure 1 This is a circuit diagram of an embodiment of the present utility model;

[0031] Figure 2 This is a schematic diagram of the installation of an embodiment of the utility model;

[0032] Figure 3for Figure 2 Schematic diagram of the spray gun.

[0033] Reference numerals: release agent main valve 100 , compressed air main valve 110 , release agent branch valve 120 , atomizing purge air valve 130 , gas-liquid mixer 140 , spray gun 150 , integrated seat 160 , integrated plate 170 , universal ball head 180 . DETAILED DESCRIPTION

[0034] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0035] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientation or positional relationships, are based on the orientation or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0036] In the description of this utility model, "several" means one or more, "more" means more than two, "greater than," "less than," and "exceed" are understood to exclude the number itself, while "above," "below," and "within" are understood to include the number itself. If a first or second is mentioned, this is solely for the purpose of distinguishing the technical features and is not to be construed as indicating or implying relative importance, implicitly specifying the number of the indicated technical features, or implicitly specifying the order of the indicated technical features.

[0037] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "mounted, connected, and connected" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0038] Reference below Figure 1-Figure 3 A release agent spraying system for a combined valve is described in detail with reference to a specific embodiment. It is worth noting that the following description is merely an illustrative illustration and is not intended to limit the utility model.

[0039] like Figure 1As shown, a combination valve release agent spraying system includes a main control component, a combination valve component and a spraying component.

[0040] The main control assembly includes a release agent main valve 100 and a compressed air main valve 110. The combined valve assembly includes a release agent branch valve 120, an atomizing purge air valve 130, and a gas-liquid mixer 140. The release agent branch valve 120 is connected to the release agent main valve 100 via a connecting pipe, the atomizing purge air valve 130 is connected to the compressed air main valve 110 via a connecting pipe, and the gas-liquid mixer 140 connects the release agent branch valve 120 and the atomizing purge air valve 130. The spray assembly includes a spray gun 150, which is connected to the gas-liquid mixer 140 via a connecting pipe. During operation, gas and release agent are respectively delivered to each spray gun 150 through the release agent main valve 100, the compressed air main valve 110, the release agent branch valve 120, and the atomizing purge air valve 130 via the gas-liquid mixer 140. Eliminating the need for three pipelines for atomizing air, control air, and release agent liquid, each piston spray gun (150 units) now provides three functions: separate liquid spray, separate purge and blow, and separate spray atomization. This combined valve release agent spray system boasts a compact and simple structure, minimal components, a stable and reliable control system, and low manufacturing and maintenance costs. It improves spraying quality and efficiency, meeting the needs of businesses seeking to improve quality, increase efficiency, and reduce costs.

[0041] Specifically, if Figure 1 and Figure 2 As shown, the combination valve assembly is provided with multiple groups, and the multiple groups of combination valve assemblies are connected to the main control assembly. The combination valve assembly is provided with multiple groups that can connect more spray guns 150, thereby increasing the spraying area and thus improving the spraying efficiency. Correspondingly, the spray assembly is also provided with multiple groups, one group of spray assemblies is correspondingly connected to one group of combination valve assemblies, and one group of spray assemblies includes multiple spray guns 150. Setting up multiple groups of spray assemblies can be correspondingly connected to the combination valve assembly, and setting up multiple spray guns 150 in one group of spray assemblies can improve the spraying area and spraying efficiency. Furthermore, one group of spray assemblies includes 10 spray guns 150. Setting up 10 spray guns 150 can ensure the spraying amount of each spray gun 150 while improving the spraying efficiency.

[0042] like Figure 2As shown, it also includes an integrated seat 160, and the main control assembly and the combination valve assembly are installed on the integrated seat 160. The provision of the integrated seat 160 is conducive to the installation of the main control assembly and the combination valve assembly. Specifically, integrated plates 170 are provided on both sides of the integrated seat 160, and the spray assembly is installed on the integrated plate 170. The provision of the integrated plate 170 is conducive to the installation of the spray gun 150 on the spray assembly. It can be understood that a plurality of spray guns 150 are arranged in an array on the integrated plate 170. The array arrangement of the spray gun 150 can increase the spraying area while ensuring uniform spraying. It is worth mentioning that the material of the integrated seat 160 and the integrated plate 170 is aluminum alloy. Aluminum alloy is light in weight, easy to process, and has good corrosion resistance. It should be noted that the connecting pipes are processed in the integrated seat 160 and the integrated plate 170. This arrangement can prevent many problems such as aging of the air pipe, water leakage, and air leakage.

[0043] like Figure 3 As shown, the spray gun 150 is provided with a universal ball head 180 for adjusting the spraying direction. Such an arrangement can adjust the spraying direction of the spray gun 150 according to the needs of different products.

[0044] A combination valve release agent spraying system according to an embodiment of the utility model has at least the following beneficial effects: (1) The control working mode is optimized from the original electric control and pneumatic control combined with distributed control to a single electrified centralized control design, and the entire spraying system control solenoid valves and connecting pipes are designed, installed and processed on an integrated integrated combination valve seat, without the need to use soft oil pipes to connect the various components of the valve body in the original technology, and the response action is faster and more reliable. (2) Thanks to the design of an integrated integrated combination valve electronically controlled spraying system, the number of main control solenoid valves for each spraying component (assuming 10 guns) of the original technology is reduced from 4 to 2 (one release agent branch valve 120, one atomizing purge air valve 130). The gas and release agent are respectively sent through the release agent main valve 100, the compressed air main valve 110, the release agent branch valve 120, and the atomizing purge air valve 130, and then through the gas-liquid mixer 140 to each spray gun 150, reducing the original technology control process and eliminating the need for each type of piston spray gun 150 to be connected to the three-way pipeline of atomizing gas source, control gas source, and release agent liquid. In order to solve the problems of the piston being unable to open and close normally due to damage to the air pipe and aging of the seal, the original technology spray gun 150 three-way plastic air pipe and joint were cancelled, and the original technology independent purge and blow control method was cancelled. The current technology processes all connecting pipes for various functions such as spraying and purge blowing into the aluminum alloy plate, eliminating many problems such as water leakage and air leakage caused by aging of the air pipe, and meeting the three functions of separate liquid spraying, separate purge and blow, and separate spray atomization. In actual production applications, each group of spraying and cleaning work can be started in any combination according to the product process technology needs. Installing a gas-liquid mixer 140 in each group can make the release agent and gas mix more evenly, and improve the spraying performance to be more reliable and stable. (3) Thanks to the design of an integrated integrated combination valve electronically controlled spraying system, the original control working mode and design structure scheme are changed, which greatly saves the use of solenoid valves and reduces the cost by 50% in the original technical scheme. The actuator spray gun 150 composed of the original complex micro cylinder is changed to a simple spray gun 150 that does not require external control, and the cost can be reduced by 90%. The new technology design combines the spray gun 150 and the purge and blow gun into one on the same gun, eliminating the original technology's entire set of separate purge and blow gun control functions, the full cost investment of the three-way plastic air pipe and connector of the spray gun 150, and the subsequent maintenance expenses.

[0045] Throughout this specification, references to terms such as "one embodiment, some embodiments, exemplary embodiments, examples, specific examples, or some examples" indicate that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, illustrative uses of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0046] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A combination valve release agent spraying system, characterized in that: include: A main control assembly, comprising a release agent main valve (100) and a compressed air main valve (110); A combined valve assembly comprises a release agent branch valve (120), an atomizing purge air valve (130) and a gas-liquid mixer (140), wherein the release agent branch valve (120) is connected to the release agent main valve (100) via a connecting pipe, the atomizing purge air valve (130) is connected to the compressed air main valve (110) via a connecting pipe, and the gas-liquid mixer (140) is connected to the release agent branch valve (120) and the atomizing purge air valve (130); The spraying assembly comprises a spraying gun (150), wherein the spraying gun (150) is connected to the gas-liquid mixer (140) via a connecting pipe.

2. A release agent spraying system for a combination valve according to claim 1, characterized in that: The combination valve assembly is provided with multiple groups, and the multiple groups of combination valve assemblies are connected to the main control assembly.

3. A release agent spraying system for a combination valve according to claim 2, characterized in that: The spraying components are also provided in multiple groups, one group of the spraying components is correspondingly connected to one group of the combination valve components, and one group of the spraying components includes a plurality of the spraying guns (150).

4. A release agent spraying system for a combination valve according to claim 3, characterized in that: A set of the spraying components includes 10 spraying guns (150).

5. A release agent spraying system for a combination valve according to claim 1, characterized in that: It also includes an integrated seat (160), on which the main control assembly and the combined valve assembly are mounted.

6. A release agent spraying system for a combination valve according to claim 5, characterized in that: Integrated plates (170) are provided on both sides of the integrated seat (160), and the spraying assembly is mounted on the integrated plates (170).

7. A release agent spraying system for a combination valve according to claim 6, characterized in that: A plurality of spray guns (150) are arranged in an array on the integrated board (170).

8. A release agent spraying system for a combination valve according to claim 6, characterized in that: The integrated seat (160) and the integrated plate (170) are made of aluminum alloy.

9. A release agent spraying system for a combination valve according to claim 6, characterized in that: The connecting pipe is processed in the integrated seat (160) and the integrated plate (170).

10. A release agent spraying system for a combination valve according to claim 1, characterized in that: The spray gun (150) is provided with a universal ball head (180) for adjusting the spray direction.

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