A vacuum cooling device for producing foam helmet products
By combining the design of the cooler body with the circulation chamber and using uniform air outlets, the problem of uneven cooling temperature in the production of helmet foam was solved, achieving a higher quality foam cooling effect and simplifying the equipment maintenance process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- DONGGUAN SHUNBAO PLASTIC PROD CO LTD
- Filing Date
- 2025-09-12
- Publication Date
- 2026-07-31
AI Technical Summary
In existing vacuum cooling devices used for foam production of helmet products, there is a temperature difference on the side furthest from the air outlet, which affects the quality of foam production.
The design incorporates a cooler body and a circulation chamber with uniform air outlets, ensuring that the cooling gas is evenly distributed and injected into the vacuum chamber from multiple directions, guaranteeing uniform cooling of all parts. At the same time, the design includes convenient auxiliary mechanisms to facilitate the disassembly and cleaning of the vacuum chamber.
It improves the uniformity and consistency of foam cooling, enhances the quality of foam products, and reduces the difficulty and cost of equipment maintenance.
Smart Images
Figure CN224576031U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of foam production cooling technology, and in particular to a vacuum cooling device for the production of foam for helmet products. Background Technology
[0002] Vacuum cooling devices for helmet foam production are an important component of foam molding machines. They are mainly based on the principle of lower boiling point of water and heat absorption through evaporation in a vacuum environment to achieve rapid cooling, which can improve the production efficiency and quality of helmet foam products.
[0003] The vacuum chamber is the main body of the cooling device, used to contain the helmet foam products to be cooled. It needs to have good sealing performance to maintain the internal vacuum environment. At the same time, the vacuum pump is the key component to generate the vacuum. By evacuating the gas in the vacuum chamber, the pressure inside the chamber is reduced. Common types include rotary vane vacuum pumps and water ring vacuum pumps. It is usually composed of temperature sensors, pressure sensors and controllers, which can monitor the temperature and pressure inside the vacuum chamber in real time and automatically control the operation of components such as the vacuum pump and the cooling system according to the set values to ensure that the cooling process is stable and accurate.
[0004] Vacuum cooling devices have the following drawbacks: gas is extracted from the vacuum chamber by a vacuum pump and then cooled by a cooler for helmet foam. However, the cooler has a single, localized outlet. Since helmet foam is diverse or multifaceted, there are temperature differences on the side furthest from the outlet, affecting the quality of foam production. Therefore, a vacuum cooling device for helmet foam production is proposed to solve the above problems. Utility Model Content
[0005] To overcome the above deficiencies, this utility model provides a vacuum cooling device for the production of foam for helmet products, which aims to improve the problem in the prior art that causes a temperature difference in cooling on the side away from the air outlet, affecting the quality of foam production.
[0006] To achieve the above objectives, the present invention adopts the following technical solution: a vacuum cooling device for producing foam helmet products, comprising a base, a support frame, and a lifter. The support frame is fixedly connected to the left outer wall of the base, and the lifter is fixedly connected to the left inner wall of the support frame. The output end of the lifter is fixedly connected to an upper cover frame, and the top outer wall of the upper cover frame is fixedly connected to a cooler body. A uniform structure is provided on the upper cover frame, and an auxiliary mechanism is provided on the base. The uniform structure includes a circulation chamber, which is located on the front inner wall of the upper cover frame. A sealing gasket is fixedly connected to the bottom outer wall of the circulation chamber, and uniform air outlets are provided on the bottom inner wall of the sealing gasket. A sealing clip is engaged with the front inner wall of the sealing gasket, and an adjusting plate is slidably connected to the front inner wall of the sealing clip. A limit plate is fixedly connected to the right outer wall of the adjusting plate, and a compression spring is fixedly connected to the left outer wall of the adjusting plate.
[0007] As a further description of the above technical solution: the auxiliary mechanism includes a positioning groove, which is formed on the top inner wall of the base. A lever is slidably connected to the front inner wall of the base. An insert plate is fixedly connected to the rear outer wall of the lever. A telescopic spring is fixedly connected to the front outer wall of the lever. A vacuum chamber is snapped into the top inner wall of the positioning groove. A vacuum pump body is fixedly connected to the right outer wall of the vacuum chamber.
[0008] As a further description of the above technical solution: the upper cover frame is slidably connected to the outer right side wall of the support frame, and the cooler body is connected to the circulation chamber.
[0009] As a further description of the above technical solution: there are a number of uniform air outlets, which are vertically distributed on the bottom inner wall of the sealing gasket, and are connected to the circulation chamber.
[0010] As a further description of the above technical solution: the limiting plate penetrates the inner right wall of the upper cover frame, the end of the compression spring away from the adjusting plate is fixedly connected to the inner wall of the sealing plate, and frosted pads are fixedly connected to the outer walls of the left and right sides of the adjusting plate.
[0011] As a further description of the above technical solution: silicone pads are fixedly connected to the front and rear outer walls of the paddle, and steel sleeves are fixedly connected to the side outer wall of the insert plate.
[0012] As a further description of the above technical solution: the insert plate is snapped onto the front inner wall of the vacuum chamber, the vacuum pump body is connected to the right inner wall of the vacuum chamber, and the end of the telescopic spring away from the lever is fixedly connected to the front inner wall of the base.
[0013] This utility model has the following beneficial effects:
[0014] 1. In this utility model, through the coordinated design of the cooler body, the circulation chamber and the uniform air outlet, the cooling gas can be evenly distributed through the circulation chamber and then sprayed into the vacuum chamber from multiple uniform air outlets. This allows all parts of the foam to fully and evenly contact the cooling gas during the cooling process, effectively avoiding the problem of local overheating or underheating, greatly improving the uniformity and consistency of foam cooling, thereby improving the overall quality of foam products and meeting the high precision requirements of foam production for helmet products.
[0015] 2. In this utility model, the sealing plate can be pulled out of the circulation chamber by pulling the adjustment plate, which makes it easy to view and clean the water stains and dirt generated by the cooling gas inside the circulation chamber. The auxiliary mechanism can separate the insert plate from the vacuum chamber by pulling the lever, which realizes the convenient disassembly of the vacuum chamber. This facilitates the handling of dirt, wear and other problems that remain in the vacuum chamber during long-term use, reduces the difficulty and cost of equipment maintenance, and improves the maintainability and efficiency of the equipment. Attached Figure Description
[0016] Figure 1 This is a schematic front view of a vacuum cooling device for producing foam helmets according to the present invention.
[0017] Figure 2 This is a schematic diagram showing the disassembled vacuum cooling device for producing foam helmets according to this utility model.
[0018] Figure 3 This is a schematic diagram of the uniform structure of a vacuum cooling device for producing foam helmets, as proposed in this utility model.
[0019] Figure 4 This is a schematic diagram of the auxiliary mechanism of a vacuum cooling device for producing foam helmets, as proposed in this utility model.
[0020] Legend:
[0021] 1. Base; 2. Support frame; 3. Lifter; 4. Top cover frame; 5. Cooler body; 6. Uniform structure; 61. Circulation chamber; 62. Sealing gasket; 63. Uniform air outlet; 64. Sealing plate; 65. Adjusting plate; 66. Limiting plate; 67. Compression spring; 7. Auxiliary mechanism; 71. Positioning groove; 72. Paddle; 73. Insert plate; 74. Telescopic spring; 75. Vacuum chamber; 76. Vacuum pump body. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0023] Reference Figures 1-3 This utility model provides an embodiment of a vacuum cooling device for producing foam helmet products, comprising a base 1, a support frame 2, and a lifter 3. The support frame 2 is fixedly connected to the left outer wall of the base 1, and the lifter 3 is fixedly connected to the left inner wall of the support frame 2. The lifter 3's main function is to achieve the lifting function of the upper cover frame 4. By precisely controlling the lifting of the upper cover frame 4, it facilitates the placement and removal of foam products by operators, while ensuring a tight seal between the upper cover frame 4 and the vacuum chamber 75 to prevent gas leakage during cooling. The output end of the lifter 3 is fixedly connected to the upper cover frame 4, and the top outer wall of the upper cover frame 4 is fixedly connected to the cooler body 5. A uniform structure 6 is provided on the upper cover frame 4. The design ensures that the cooling gas is evenly distributed within the vacuum chamber 75, preventing localized overheating or underheating of the foam during cooling. This improves the uniformity and consistency of foam cooling, thereby enhancing the quality of the foam products. The base 1 is equipped with an auxiliary mechanism 7 and a uniform structure 6, including a circulation chamber 61. The circulation chamber 61 is located on the front inner wall of the upper cover frame 4. A sealing gasket 62 is fixedly connected to the bottom outer wall of the circulation chamber 61. The bottom inner wall of the sealing gasket 62 has uniform air outlet holes 63. A sealing clip 64 is snapped onto the front inner wall of the sealing gasket 62. An adjusting plate 65 is slidably connected to the front inner wall of the sealing clip 64. A limit plate 66 is fixedly connected to the right outer wall of the adjusting plate 65, and a compression spring 67 is fixedly connected to the left outer wall of the adjusting plate 65.
[0024] Reference Figures 2-4The upper cover frame 4 is slidably connected to the outer right side of the support frame 2. The cooler body 5 is connected to the circulation chamber 61. There are several uniform air outlets 63, which are vertically distributed on the bottom inner wall of the sealing gasket 62 and connected to the circulation chamber 61. This layout ensures that the cooling gas is evenly sprayed into the vacuum chamber 75 from multiple directions, so that all parts of the foam can fully contact the cooling gas during the cooling process, thereby achieving a uniform cooling effect and improving the cooling quality of the foam. The several uniform air outlets 63 are connected to the circulation chamber 61. The limiting plate 66 penetrates the inner right side of the upper cover frame 4. The end of the compression spring 67 away from the adjusting plate 65 is fixedly connected to the inner side of the sealing plate 64. The left and right outer walls of the adjusting plate 65 are fixedly connected with frosted pads. The frosted pads can increase the friction between the adjusting plate 65 and the operator's hand, making it more convenient and effortless for the operator to adjust the adjusting plate 65.
[0025] Reference Figures 3-4 The auxiliary mechanism 7 includes a positioning groove 71, which is formed on the top inner wall of the base 1. A vacuum chamber 75 is snapped into the top inner wall of the positioning groove 71. The vacuum chamber 75 is a key container for vacuum cooling of foam products. The snapping method between the vacuum chamber 75 and the positioning groove 71 ensures that the vacuum chamber 75 is accurately positioned during installation. A lever 72 is slidably connected to the front inner wall of the base 1. An insert plate 73 is fixedly connected to the rear outer wall of the lever 72. A telescopic spring 74 is fixedly connected to the front outer wall of the lever 72. The vacuum chamber 75 is snapped into the top inner wall of the positioning groove 71. A vacuum pump body 76 is fixedly connected to the right outer wall of the vacuum chamber 75. Silicone pads are fixedly connected to the front and rear outer walls of the paddle 72. The silicone pads can increase the comfort and friction between the paddle 72 and the operator's hand, making it more convenient and effortless for the operator to operate the paddle 72. At the same time, they can also prevent the paddle 72 from sliding poorly or accidentally sliding due to insufficient friction during the sliding process, thus improving the convenience and safety of operation. A steel sleeve is fixedly connected to the side outer wall of the insert plate 73. The insert plate 73 is snapped into the front inner wall of the vacuum chamber 75. The vacuum pump body 76 is connected to the right inner wall of the vacuum chamber 75. The end of the telescopic spring 74 away from the paddle 72 is fixedly connected to the front inner wall of the base 1.
[0026] Working principle: Foam is pre-placed inside the vacuum chamber 75. Then, the lifting device 3 closes the top cover 4 of the vacuum chamber 75, ensuring the sealing gasket 62 adheres to the inner walls of the vacuum chamber 75 for auxiliary sealing. Next, the cooler body 5 is opened to allow cooling gas to pre-enter the circulation chamber 61. The gas in the circulation chamber 61 is then sprayed outwards from multiple uniformly spaced outlets 63, ensuring uniform cooling temperature around the foam inside the vacuum chamber 75, reducing deviations, improving the vacuum cooling effect, and thus improving the production quality of the foam. Simultaneously, with prolonged use, water stains or accumulated dirt from the cooling gas will adhere to the inside of the circulation chamber 61. This can be addressed by pulling the adjustment... The section plate 65 moves the limiting plate 66, which separates from the right inner wall of the circulation chamber 61. Then, the adjusting plate 65 is pulled to pull the sealing plate 64 out of the circulation chamber 61, making it convenient for personnel to inspect the interior and perform cleaning. Meanwhile, the vacuum chamber 75 may accumulate dirt, sponge residue, or wear during cooling after long-term use. However, to ensure sealing, the vacuum chamber 75 is fixed to the designated position with bolts. Therefore, by pulling the lever 72, the insert plate 73 is moved, which separates from the front inner wall of the vacuum chamber 75. Then, the vacuum chamber 75 is lifted to release the limiting separation from the positioning groove 71, allowing for convenient disassembly and maintenance of the vacuum chamber 75.
[0027] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A vacuum cooling device for helmet article foam production, comprising a base (1), a support frame (2), a lifter (3), characterized in that: The support frame (2) is fixedly connected to the left outer wall of the base (1), the lifter (3) is fixedly connected to the left inner wall of the support frame (2), the output end of the lifter (3) is fixedly connected to the upper cover frame (4), the top outer wall of the upper cover frame (4) is fixedly connected to the cooler body (5), the upper cover frame (4) is provided with a uniform structure (6), and the base (1) is provided with an auxiliary mechanism (7). The uniform structure (6) includes a circulation chamber (61), which is located on the front inner wall of the upper cover frame (4). A sealing gasket (62) is fixedly connected to the bottom outer wall of the circulation chamber (61). A uniform air outlet (63) is provided on the bottom inner wall of the sealing gasket (62). A sealing clip (64) is snapped onto the front inner wall of the sealing gasket (62). An adjusting plate (65) is slidably connected to the front inner wall of the sealing clip (64). A limit plate (66) is fixedly connected to the right outer wall of the adjusting plate (65). A compression spring (67) is fixedly connected to the left outer wall of the adjusting plate (65).
2. A vacuum cooling apparatus for use in the production of a helmet article foam according to claim 1, characterized in that: The auxiliary mechanism (7) includes a positioning groove (71), which is opened on the top inner wall of the base (1). A lever (72) is slidably connected to the front inner wall of the base (1). A plug plate (73) is fixedly connected to the rear outer wall of the lever (72). A telescopic spring (74) is fixedly connected to the front outer wall of the lever (72). A vacuum chamber (75) is snapped into the top inner wall of the positioning groove (71). A vacuum pump body (76) is fixedly connected to the right outer wall of the vacuum chamber (75).
3. The vacuum cooling device for producing foam helmets according to claim 1, characterized in that: The upper cover frame (4) is slidably connected to the outer right side of the support frame (2), and the cooler body (5) is connected to the circulation chamber (61).
4. The vacuum cooling device for producing foam helmets according to claim 1, characterized in that: There are several uniform air outlet holes (63), which are vertically distributed on the bottom inner wall of the sealing gasket (62) and connected to the circulation chamber (61).
5. A vacuum cooling device for producing foam helmets according to claim 1, characterized in that: The limiting plate (66) penetrates the inner wall of the right side of the upper cover frame (4), and the end of the compression spring (67) away from the adjusting plate (65) is fixedly connected to the inner wall of the sealing plate (64) on one side. The outer walls of the left and right sides of the adjusting plate (65) are fixedly connected with frosted pads.
6. A vacuum cooling device for producing foam helmets according to claim 2, characterized in that: Silicone pads are fixedly connected to the front and rear outer walls of the paddle (72), and steel sleeves are fixedly connected to the side outer wall of the insert plate (73).
7. A vacuum cooling device for producing foam helmets according to claim 2, characterized in that: The insert plate (73) is snapped into the front inner wall of the vacuum chamber (75), the vacuum pump body (76) is connected to the right inner wall of the vacuum chamber (75), and the end of the telescopic spring (74) away from the lever (72) is fixedly connected to the front inner wall of the base (1).