Precise injection molding clean laminar flow hood

Abstract

The utility model relates to a clean environment control technology in precise injection molding equipment, in particular to a precise injection molding clean laminar flow hood. The cleaning room comprises a cleaning room, a skylight structure and a driving mechanism, the skylight structure is fixedly connected with the cleaning room through a sliding rail, and the driving mechanism drives a skylight cover to achieve the opening and closing function. The skylight cover comprises a sliding part composed of a fixed part, a flat window and a vertical window, the bottom of the vertical window is hinged to the flat window, the vertical window is driven by a push-pull assembly to rotate, and therefore the sliding part is folded. In addition, the skylight cover is further provided with an FFU air supply unit, and a sealing brush and an induction grating are arranged between the sliding part and the fixed part, so that efficient sealing and automatic control of the clean room are ensured. The device achieves the effects of improving the cleanliness, reducing pollution and enhancing the operation convenience and the automation level.

Description

TECHNICAL FIELD

[0001] The present application relates to clean environment control technology in precision injection molding equipment, and in particular to a precision injection molding clean laminar flow hood. BACKGROUND

[0002] In products with high injection molding requirements, there are strict clean process requirements for the injection molding production environment. In order to meet this demand, a laminar flow hood is usually installed in the injection molding workshop to isolate personnel and equipment, and the air quality in the working area is ensured to reach high cleanliness standards through the built-in high-efficiency air filter. The application of such a laminar flow hood not only improves the quality of the product, but also significantly reduces the interference of pollutants, improves production efficiency and yield, and is of great significance to high-end manufacturing.

[0003] The existing laminar flow hood design usually adopts a completely sealed way to ensure the cleanliness of the internal environment. However, in actual production process, especially for occasions that require frequent replacement of heavy molds, the completely sealed laminar flow hood brings many inconveniences. For example, when the mold needs to be hoisted, replaced or repaired, the traditional laminar flow hood design often cannot meet the demand of operation space. In order to solve this problem, it is common to reserve a larger open space in the clean room to facilitate hoisting operation.

[0004] The above method can alleviate the problem of mold hoisting and maintenance to a certain extent, but has obvious defects: reserving a larger open space will greatly increase the volume of the clean room, thereby increasing the energy consumption of air conditioning cooling capacity, air supply capacity, and related decoration and operation costs. Therefore, how to provide a laminar flow hood design scheme that is convenient to operate and economical and efficient under the premise of ensuring cleanliness has become a technical problem to be solved. CONTENT OF THE INVENTION

[0005] The present application provides a precision injection molding clean laminar flow hood, which adopts the following technical scheme:

[0006] A precision injection molding clean laminar flow hood, comprising a clean room, a skylight structure and a driving mechanism; a maintenance passage is provided on the clean room, and the skylight structure is arranged at the maintenance passage;

[0007] The skylight structure comprises a sliding rail and a skylight cover, the sliding rail is fixedly connected with the clean room, and the skylight cover is slidingly connected with the sliding rail to realize the opening and closing of the skylight cover;

[0008] The driving mechanism is arranged on the clean room and connected with the skylight cover to drive the skylight cover to move.

[0009] By adopting the technical scheme, the clean laminar hood can keep the high cleanliness of the clean room while facilitating the hoisting, replacement, maintenance and repair of the heavy mold. Specifically, the design of the skylight structure enables the maintenance channel to be opened, facilitating the entry and exit of large equipment, and avoiding the increase in the construction and operation cost of the clean room due to the reservation of a large space. Meanwhile, the cooperation of the slide rail and the driving mechanism ensures the smooth opening and closing of the skylight cover, improving the convenience and efficiency of the operation.

[0010] Preferably, the skylight cover comprises a fixed part and a sliding part, and the fixed part and the sliding part are located at two sides of the maintenance channel respectively.

[0011] By adopting the technical scheme, the fixed part and the sliding part are located at two sides of the maintenance channel respectively, so that the skylight cover can be flexibly opened and closed at the maintenance channel, facilitating the hoisting, replacement, maintenance and repair of the heavy mold, while keeping the sealing of the clean room, reducing the volume of the clean room, reducing the energy consumption of air conditioning cold quantity, air supply quantity and the like, and saving the cost.

[0012] Preferably, the fixed part is vertically arranged at one side of the maintenance channel; the sliding part comprises a horizontal window and a vertical window, the vertical window is arranged opposite to the fixed part, and the horizontal window is located at one side of the vertical window away from the fixed part; and the horizontal window is connected with the slide rail and the driving mechanism.

[0013] By adopting the technical scheme, the fixed part is vertically arranged at one side of the maintenance channel, ensuring the stability of the skylight structure, while not affecting the function of the maintenance channel. The design of the sliding part comprising the horizontal window and the vertical window enables the skylight cover to smoothly slide on the slide rail, realizing the opening and closing function of the skylight cover. The horizontal window is located at one side of the vertical window away from the fixed part, and is connected with the slide rail and the driving mechanism, ensuring the smooth and reliable opening and closing action of the skylight cover, and improving the operation convenience and safety.

[0014] Preferably, the bottom of the vertical window is hinged to the horizontal window to realize the folding of the sliding part; and the skylight structure further comprises a push-pull assembly for driving the rotation of the vertical window.

[0015] By adopting the technical scheme, the design of the hinged bottom of the vertical window to the horizontal window realizes the folding function of the sliding part, so that the skylight cover can reduce the occupied space when being opened, facilitating the hoisting, replacement and maintenance operation of the heavy mold. Meanwhile, the skylight structure further comprises a push-pull assembly for driving the rotation of the vertical window, further improving the automation degree of the opening and closing of the skylight cover, simplifying the operation process, and improving the work efficiency.

[0016] Preferably, the push-pull assembly comprises a cylinder and a support rod, one end of the support rod is rotationally connected with the vertical window, the other end of the support rod is slidingly connected with the horizontal window, and the output end of the cylinder is connected with the sliding end of the support rod to drive the sliding of the support rod.

[0017] By adopting the technical scheme, the push-pull assembly can effectively drive the vertical window to rotate, realize the folding function of the skylight cover, thereby facilitating the hoisting and replacement of the heavy mold, and improving the operation convenience. Meanwhile, the design of the air cylinder and the supporting rod makes the driving process more stable and reliable, and reduces the possible safety hazards in the operation process.

[0018] Preferably, the FFU air supply unit is arranged on the skylight cover.

[0019] By adopting the technical scheme, the FFU air supply unit is arranged on the skylight cover, which can ensure that the air quality in the local area remains high cleanliness when the skylight cover is opened or closed, avoid external pollution into the clean room, and improve the quality stability of the injection molding product. Meanwhile, the arrangement of the FFU air supply unit can also effectively reduce the overall energy consumption of the clean room and reduce the operation cost.

[0020] Preferably, the side opposite to the fixed part of the sliding part is provided with a sealing brush.

[0021] By adopting the technical scheme, the side opposite to the fixed part of the sliding part is provided with a sealing brush, which can effectively prevent dust and pollutants from the outside from entering the clean room, improve the cleanliness of the clean room, and ensure the high precision of the injection molding process and the product quality.

[0022] Preferably, the side opposite to the fixed part of the sliding part is provided with a sealing brush.

[0023] By adopting the technical scheme, the side opposite to the fixed part of the sliding part is provided with a sealing brush, which can effectively prevent dust and pollutants from the outside from entering the clean room, improve the cleanliness of the clean room, and ensure the high precision of the injection molding process and the product quality.

[0024] In summary, the present application has the following at least one beneficial technical effect:

[0025] 1. By arranging the slidingly connected skylight cover and driving mechanism, the automatic opening and closing of the skylight cover is realized, which facilitates the hoisting, replacement and maintenance operation of the heavy mold, and avoids the increased energy consumption and cost due to the reserved large open space;

[0026] 2. The split design of the sliding part and the fixed part of the skylight cover makes the sliding part flexible to move at the maintenance passage, which ensures the operation space while maintaining the sealing property of the clean room, preventing external pollution from entering the clean room;

[0027] 3. The introduction of the push-pull assembly enables the vertical window to be folded relative to the horizontal window, which further optimizes the opening mode of the skylight cover and enhances the convenience and flexibility of the operation. BRIEF DESCRIPTION OF DRAWINGS

[0028] Fig. 1is a structural schematic diagram of a precision injection molding clean laminar hood in the embodiment of the present application.

[0029] Fig. 2 is a structural schematic diagram when the sunroof cover is opened in the embodiment of the present application.

[0030] In the drawings, the following are marked: 1, clean room; 11, maintenance passage; 2, sunroof structure; 21, sliding rail; 22, sunroof cover; 221, horizontal window; 222, vertical window; 223, push-pull assembly; 2231, air cylinder; 2232, support rod; 224, fixed part; 3, driving mechanism; 4, FFU air supply unit. DETAILED DESCRIPTION

[0031] The following will be described in detail in combination with the accompanying drawings. Figs. 1-2 The present application is further described in detail.

[0032] The precision injection molding clean laminar hood provided by the embodiment of the present application, with reference to Figs. 1-2 , comprises a clean room 1, a sunroof structure 2 and a driving mechanism 3; the clean room 1 is provided with a maintenance passage 11, and the sunroof structure 2 is arranged at the maintenance passage 11; the sunroof structure comprises a sliding rail 21 and a sunroof cover 22, the sliding rail 21 is fixedly connected with the clean room 1, and the sunroof cover 22 is slidingly connected with the sliding rail 21 to realize the opening and closing of the sunroof cover 22; the driving mechanism 3 is arranged on the clean room 1 and connected with the sunroof cover 22 to drive the sunroof cover 22 to move, so as to achieve the purpose of facilitating the hoisting and maintenance of heavy molds while maintaining the high cleanliness of the clean room 1.

[0033] Specifically, the sunroof cover 22 is composed of a fixed part 224 and a sliding part, and the fixed part 224 and the sliding part are respectively located on both sides of the maintenance passage 11. The fixed part 224 can be a metal frame with glass, and the material can be selected from aluminum alloy or stainless steel, which has the characteristics of light weight and high strength. The sliding part comprises a horizontal window 221 and a vertical window 222, and the vertical window 222 is arranged opposite to the fixed part 224, and the horizontal window 221 is located on the side of the vertical window 222 away from the fixed part 224. The horizontal window 221 is connected with the sliding rail 21 and the driving mechanism 3, and the horizontal window 221 can be driven to slide along the sliding rail 21 by a motor or a hydraulic cylinder, so as to realize the opening and closing of the sunroof cover 22.

[0034] Further, the bottom of the vertical window 222 is hinged to the horizontal window 221, so that the sliding part can be folded. The skylight structure 2 further comprises a push-pull assembly 223 for driving the rotation of the vertical window 222. The push-pull assembly 223 comprises a pneumatic cylinder 2231 and a support rod 2232, one end of the support rod 2232 is rotationally connected to the vertical window 222, the other end is slidingly connected to the horizontal window 221, and the output end of the pneumatic cylinder 2231 is connected to the sliding end of the support rod 2232 to drive the sliding of the support rod 2232. The pneumatic cylinder 2231 can be an electric pneumatic cylinder 2231 or a hydraulic pneumatic cylinder 2231, which ensures smooth and reliable driving. The support rod 2232 can be made of high-strength alloy steel to ensure sufficient strength and stability. The combination of the pneumatic cylinder 2231 and the support rod 2232 can make the vertical window 222 tightly contact the fixed part 224 when the skylight cover 22 is closed, thereby enhancing the sealing performance.

[0035] Specifically, the skylight cover 22 can also be provided with an FFU air supply unit 4, which can be installed on the top of the skylight cover 22. The FFU air supply unit 4 filters the air entering the clean room 1 through a high efficiency particulate air (HEPA) filter to ensure the air quality in the clean room 1. The FFU air supply unit 4 can be designed in a modular manner, which is convenient for installation and maintenance. The side of the sliding part of the skylight cover 22 opposite to the fixed part 224 is provided with a sealing brush, which can be made of soft material such as silicone or nylon to ensure the sealing performance when the skylight cover 22 is closed. The side of the sliding part opposite to the fixed part 224 can also be provided with an induction grating, which can monitor in real time whether there is a staff or foreign matter between the sliding part and the fixed part 224, so as to avoid causing abnormal closing of the skylight or causing staff or article injury, thereby improving the reliability and safety of the skylight cover 22.

[0036] The implementation principle of the embodiment is that by arranging the sliding rail 21 and the skylight cover 22, the sliding opening and closing of the skylight cover 22 is realized, which facilitates the lifting and maintenance of the heavy mold. The sliding part of the skylight cover 22 can be folded to reduce the occupied space, and the sealing performance of the skylight cover 22 is enhanced through the driving of the push-pull assembly 223. The arrangement of the FFU air supply unit 4 ensures the air quality in the clean room 1, and the combination of the sealing brush and the induction grating improves the reliability and safety of the skylight cover 22. In general, the embodiment provides a precise injection molding clean laminar cover which is convenient to operate and economical and efficient, solves the deficiencies of the existing laminar cover in lifting and maintenance of the heavy mold, and has important practical value and market prospect.

[0037] The above are preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A precision injection molded clean laminar flow hood characterized by: The utility model relates to a clean room, a skylight structure and a driving mechanism, the clean room (1) is provided with a maintenance channel (11), the skylight structure (2) is arranged at the maintenance channel (11), the skylight structure (2) includes a sliding rail (21) and a skylight cover (22), the sliding rail (21) is fixedly connected with the clean room (1), and the skylight cover (22) is slidably connected with the sliding rail (21) to realize the opening and closing of the skylight cover (22), the driving mechanism (3) is arranged on the clean room (1) and is connected with the skylight cover (22) to drive the skylight cover (22) to move. The skylight cover (22) includes a fixed part (224) and a sliding part, and the fixed part (224) and the sliding part are located on the two sides of the maintenance channel (11) respectively. The fixed part (224) is vertically arranged on one side of the maintenance channel (11), the sliding part includes a horizontal window (221) and a vertical window (222), the vertical window (222) is oppositely arranged with the fixed part (224), the horizontal window (221) is located on the side of the vertical window (222) away from the fixed part (224), and the horizontal window (221) is connected with the sliding rail (21) and the driving mechanism (3).

2. The precision injection molded clean flow hood of claim 1, wherein: The bottom of the vertical window (222) is hingedly connected with the horizontal window (221) to realize the folding of the sliding part, the skylight structure (2) further includes a push-pull assembly (223) for driving the vertical window (222) to rotate.

3. The precision injection molded clean flow hood of claim 2, wherein: The push-pull assembly (223) includes a cylinder (2231) and a support rod (2232), one end of the support rod (2232) is rotationally connected with the vertical window (222), the other end is slidably connected with the horizontal window (221), and the output end of the cylinder (2231) is connected with the sliding end of the support rod (2232) to drive the support rod (2232) to slide.

4. The precision injection molded clean flow hood of claim 3, wherein: The utility model further includes an FFU air supply unit (4) arranged on the skylight cover (22).

5. The precision injection molded clean flow hood of claim 4, wherein: The side of the sliding part opposite to the fixed part (224) is provided with a sealing brush.

6. The precision injection molded clean flow hood of any of claims 1-5, wherein: The side of the sliding part opposite to the fixed part (224) is provided with an induction grating.

7. The precision injection molded clean plenum cover of any of claims 2-5, wherein: ​ 8. The precision injection molded clean plenum cover of any of claims 2-5, wherein: ​

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