Foam microcellular foaming forming device based on supercritical fluid
By introducing a sliding plate and scraper structure into the foam microporous foaming molding device, the problem of uneven mixing was solved, product quality was improved, and the maintenance process was simplified, achieving efficient mixing and convenient maintenance.
Patent Information
- Application Number
- CN202520323679.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-27
AI Technical Summary
In existing foam microporous foaming molding equipment, the polymer matrix and supercritical fluid are not mixed evenly, which affects the product quality and makes the equipment maintenance complex and difficult to operate.
A mixing and stirring device including a sliding plate, scraper, and concave and convex openings was designed. The device ensures uniform mixing of the mixture by shaking the placement cylinder up and down and scraping it. The components can be easily separated by limiting ports and paddles, simplifying the maintenance process.
It achieves uniform mixing of the mixture, improves product quality, simplifies equipment maintenance, and reduces maintenance difficulty.
Smart Images
Figure CN223918341U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to high polymer material forming processing technical field especially, relates to a kind of based on supercritical fluid's foam microcellular foaming forming device. BACKGROUND
[0002] Supercritical fluid's foam microcellular foaming forming device is an advanced manufacturing equipment, it realizes the microcellular foaming forming of foam material using the unique property of supercritical fluid, and supercritical fluid's foam microcellular foaming forming device is a kind of efficient, environmental protection and widely used manufacturing equipment, with the continuous progress of technology and the continuous expansion of application field, the device will play a more important role in the future.
[0003] The core principle of supercritical fluid's foam microcellular foaming forming device is to use supercritical fluid (such as carbon dioxide or nitrogen) as foaming agent, and by accurately controlling pressure and temperature, the supercritical fluid reaches saturation state in polymer matrix, and then forms polymer / gas homogeneous system. In the cooling process, the system enters thermodynamic unstable state, so as to promote the generation of gas nucleus and the growth of bubble hole, and finally obtain the foam material with microcellular structure. Supercritical fluid-based foam microcellular foaming forming device has wide application prospects in many fields, such as vehicles, sports equipment, shipbuilding, aerospace, etc. In particular, in the field of shoe materials, many well-known brands of running shoes have used foaming materials prepared by this technology to improve the lightness, elasticity and comfort of the shoe sole.
[0004] Supercritical fluid's foam microcellular foaming forming device has the following defects: in the forming process, the pretreated polymer matrix and supercritical fluid are mixed in a special plasticizing device to ensure that the gas and molten raw materials are fully and uniformly mixed and diffused. If the input raw materials are deposited at the bottom and cannot be stirred uniformly, the quality of the final foaming product will be affected. Therefore, a supercritical fluid-based foam microcellular foaming forming device is proposed to solve the above problems. SUMMARY
[0005] In order to make up for the above shortcomings, the utility model provides a kind of based on supercritical fluid's foam microcellular foaming forming device, aims at improving the prior art in ensuring that gas and molten raw materials are fully and uniformly mixed and diffused, such as the input raw materials deposited at the bottom and cannot be stirred uniformly, resulting in the quality of the final product being affected.
[0006] To achieve the above object, the utility model discloses the following technical scheme: a kind of based on supercritical fluid's foam microporous foaming forming device, including mixing box, discharge valve, placing cylinder, L-shaped frame, drive machine, the adjusting mechanism is provided on the mixing box, the auxiliary mechanism is provided on the adjusting mechanism, the adjusting mechanism includes rotating column, the sliding plate is fixedly connected on the rotating column, the top outer wall of the placing cylinder is opened and provided with concave-convex mouth, the bottom outer wall of the placing cylinder is fixedly connected with telescopic spring, the bottom inner wall of the sliding plate is fixedly connected with compression spring, the bottom inner wall of the sliding plate is slidably connected with scraper, the outer wall of the side of scraper close to compression spring is fixedly connected with stirring rod, the bottom outer wall of the scraper is fixedly connected with bottom scraping strip.
[0007] As further description of the above technical solution: the auxiliary mechanism includes slide, the slide is opened in the top inner wall of mixing box, the rear side outer wall of the slide is opened and provided with limit port, the bottom inner wall of L-shaped frame is slidably connected with the tab, the rear side outer wall of the tab is fixedly connected with the clamping plate, the front side outer wall of the tab is fixedly connected with small spring.
[0008] As further description of the above technical solution: the rotating column is rotatably connected on the top inner wall of L-shaped frame by bearing, and the sliding plate is rotatably connected on the bottom outer wall of L-shaped frame.
[0009] As further description of the above technical solution: the end of the compression spring away from the sliding plate is fixedly connected on the one side outer wall of the scraper, the scraper is slidably connected on the inner circle inner wall of the placing cylinder, and the end of the telescopic spring away from the placing cylinder is clamped on the bottom inner wall of the mixing box.
[0010] As further description of the above technical solution: the sliding plate is slidably connected on the top inner wall of concave-convex mouth, and the bottom scraping strip is slidably connected on the bottom inner wall of the placing cylinder.
[0011] As further description of the above technical solution: the front and rear sides outer wall of the tab is fixedly connected with frosted glass pad, and the end of the small spring away from the tab is fixedly connected on the bottom inner wall of L-shaped frame.
[0012] As further description of the above technical solution: the limit port is two, and the limit port is opened perpendicularly on the rear side inner wall of slide, and the clamping plate is clamped on the rear side inner wall of limit port.
[0013] As further description of the above technical solution: the front side outer wall of the mixing box is fixedly connected with control panel, the discharge valve is fixedly connected on the bottom outer wall of the mixing box, the placing cylinder is slidably connected on the top inner wall of the mixing box, and the L-shaped frame is clamped on the top inner wall of the mixing box.
[0014] The utility model has the following beneficial effects:
[0015] 1. In this utility model, by setting up structures such as sliding plates, scrapers, and concave and convex openings, the mixing and stirring placement cylinder is shaken up and down to reduce the sedimentation of the mixture, and some of the mixture is scraped off from the inner wall of the placement cylinder, preventing some of the mixture from being unevenly mixed and spreading out. This improves the problem that when supercritical fluid is mixed in a special plasticizing device, the molten raw materials and the mixture are not fully mixed evenly, which affects the quality of the final product.
[0016] 2. In this utility model, by setting up structures such as limiting ports, paddles, and clamping plates, the overall components of the adjustment mechanism can be easily separated and assembled, which improves the problem that long-term use of mixing and stirring equipment requires regular cleaning and maintenance after use, but the internal components are relatively complex and the narrow space restricts personnel from operating, resulting in greater maintenance difficulties. Attached Figure Description
[0017] Figure 1 This is a schematic front view of the overall foam microporous foaming molding device based on supercritical fluid proposed in this utility model.
[0018] Figure 2 This is a side view of the overall structure of a foam microporous foaming molding device based on supercritical fluid proposed in this utility model.
[0019] Figure 3 This is a schematic diagram of the adjustment mechanism of a foam microporous foaming molding device based on supercritical fluid proposed in this utility model.
[0020] Figure 4 This is a schematic diagram of the auxiliary mechanism of a foam microporous foaming molding device based on supercritical fluid proposed in this utility model.
[0021] Legend:
[0022] 1. Mixing tank; 2. Control panel; 3. Discharge valve; 4. Placement cylinder; 5. L-shaped frame; 6. Drive motor; 7. Adjustment mechanism; 71. Rotating column; 72. Sliding plate; 73. Concave and convex openings; 74. Telescopic spring; 75. Scraper; 76. Compression spring; 77. Stirring rod; 78. Bottom scraper; 8. Auxiliary mechanism; 81. Slide rail; 82. Limiting port; 83. Paddle; 84. Clamping plate; 85. Small spring. Detailed Implementation
[0023] 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.
[0024] Reference Figure 1 - Figure 3 This utility model provides an embodiment of a foam microporous foaming molding device based on supercritical fluid, comprising a mixing tank 1, a discharge valve 3, a placement cylinder 4, an L-shaped frame 5, and a drive motor 6. An adjustment mechanism 7 is provided on the mixing tank 1, and an auxiliary mechanism 8 is provided on the adjustment mechanism 7. The adjustment mechanism 7 includes a rotating column 71, which is fixedly connected to the output end of the drive motor 6 via a coupling. A sliding plate 72 is fixedly connected to the rotating column 71. The top outer wall of the placement cylinder 4 has a recessed opening 73, and the bottom of the placement cylinder 4... A telescopic spring 74 is fixedly connected to the outer wall of the tube. The telescopic spring 74 generates a continuous thrust on the placement cylinder 4 and provides a certain degree of flexible support for the placement cylinder 4. A compression spring 76 is fixedly connected to the bottom inner wall of the sliding plate 72. A scraper 75 is slidably connected to the bottom inner wall of the sliding plate 72. The scraper 75 scrapes off the mixture adhering to the inner wall of the placement cylinder 4. A stirring rod 77 is fixedly connected to the outer wall of the scraper 75 near the compression spring 76. A bottom scraper strip 78 is fixedly connected to the bottom outer wall of the scraper 75.
[0025] Reference Figure 2 - Figure 4 The rotating column 71 is rotatably connected to the top inner wall of the L-shaped frame 5 via a bearing. The sliding plate 72 is rotatably connected to the bottom outer wall of the L-shaped frame 5. The end of the compression spring 76 away from the sliding plate 72 is fixedly connected to the outer wall of the scraper 75. The compression spring 76 generates a continuous thrust on the sliding plate 72. The scraper 75 is slidably connected to the inner wall of the inner ring of the placement cylinder 4. The end of the telescopic spring 74 away from the placement cylinder 4 is engaged with the bottom inner wall of the mixing box 1. The sliding plate 72 is slidably connected to the top inner wall of the concave-convex opening 73. The bottom scraper 78 is slidably connected to the bottom inner wall of the placement cylinder 4. The bottom scraper 78 is used to scrape off the adhesive mixture at the bottom of the placement cylinder 4. The control panel 2 is fixedly connected to the front outer wall of the mixing box 1. The discharge valve 3 is fixedly connected to the bottom outer wall of the mixing box 1. The placement cylinder 4 is slidably connected to the top inner wall of the mixing box 1. The L-shaped frame 5 is engaged with the top inner wall of the mixing box 1.
[0026] Reference Figure 3 - Figure 4The auxiliary mechanism 8 includes a slide 81, which is located on the top inner wall of the mixing box 1. A limit port 82 is located on the rear outer wall of the slide 81. A lever 83 is slidably connected to the bottom inner wall of the L-shaped frame 5. A retaining plate 84 is fixedly connected to the rear outer wall of the lever 83. The retaining plate 84 is used to lock and fix the limit port 82. A small spring 85 is fixedly connected to the front outer wall of the lever 83. The small spring 85 generates a continuous pushing force on the lever 83. Frosted pads are fixedly connected to the front and rear outer walls of the lever 83. The end of the small spring 85 away from the lever 83 is fixedly connected to the bottom inner wall of the L-shaped frame 5. There are two limit ports 82, which are vertically located on the rear inner wall of the slide 81. The retaining plate 84 is locked onto the rear inner wall of the limit port 82.
[0027] Working principle: The mixture is poured into the placement cylinder 4, then the L-shaped frame 5 is lowered and engaged with the inner wall of the top side of the mixing box 1. The drive motor 6 is then turned on, causing the rotating column 71 to rotate. The rotating column 71 drives the sliding plate 72 to rotate, and the sliding plate 72 contacts the concave-convex opening 73, causing the placement cylinder 4 to be squeezed and moved downwards. After the sliding plate 72 rotates to a certain angle, the placement cylinder 4 rises under the thrust of the telescopic spring 74, causing the placement cylinder 4 to continuously shake up and down, reducing sedimentation of the mixture. Simultaneously, the rotation of the sliding plate 72 drives the scraper 75 to rotate, scraping... The rotating plate 75 scrapes off the adhering substances on the inner wall of the inner ring of the placement cylinder 4, reducing the adhesion of some mixtures and affecting the uniform mixing of the mixture. At the same time, the rotation of the scraper 75 drives the bottom scraper 78 to rotate, so that the bottom scraper 78 intermittently scrapes the bottom of the placement cylinder 4, reducing the sedimentation of the mixture at the bottom. Meanwhile, by pulling the lever 83, the clamping plate 84 is moved, so that the clamping plate 84 is disengaged from the limit port 82. Then, the L-shaped frame 5 is lifted and moved up and down on the inner wall of the slide 81, allowing the adjustment mechanism 7 to be disassembled and assembled as a whole, so that personnel can maintain the internal components in a timely manner.
[0028] 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 foam microporous foaming molding device based on supercritical fluid, comprising a mixing tank (1), a discharge valve (3), a placement cylinder (4), an L-shaped frame (5), and a drive motor (6), characterized in that: The mixing box (1) is provided with an adjustment mechanism (7), and the adjustment mechanism (7) is provided with an auxiliary mechanism (8). The adjustment mechanism (7) includes a rotating column (71), and a sliding plate (72) is fixedly connected to the rotating column (71). The top outer wall of the placement cylinder (4) is provided with a concave-convex opening (73). The bottom outer wall of the placement cylinder (4) is fixedly connected with a telescopic spring (74). The bottom inner wall of the sliding plate (72) is fixedly connected with a compression spring (76). The bottom inner wall of the sliding plate (72) is slidably connected with a scraper (75). The outer wall of the scraper (75) near the compression spring (76) is fixedly connected with a stirring rod (77). The bottom outer wall of the scraper (75) is fixedly connected with a bottom scraper strip (78).
2. The foam microporous foaming molding device based on supercritical fluid according to claim 1, characterized in that: The auxiliary mechanism (8) includes a slide (81), which is located on the top inner wall of the mixing box (1). A limit opening (82) is provided on the rear outer wall of the slide (81). A paddle (83) is slidably connected to the bottom inner wall of the L-shaped frame (5). A locking plate (84) is fixedly connected to the rear outer wall of the paddle (83). A small spring (85) is fixedly connected to the front outer wall of the paddle (83).
3. The foam microporous foaming molding device based on supercritical fluid according to claim 1, characterized in that: The rotating column (71) is rotatably connected to the top inner wall of the L-shaped frame (5) via a bearing, and the sliding plate (72) is rotatably connected to the bottom outer wall of the L-shaped frame (5).
4. The foam microporous foaming molding device based on supercritical fluid according to claim 1, characterized in that: The end of the compression spring (76) away from the sliding plate (72) is fixedly connected to the outer wall of one side of the scraper (75), the scraper (75) is slidably connected to the inner wall of the inner ring of the placement cylinder (4), and the end of the telescopic spring (74) away from the placement cylinder (4) is engaged with the bottom inner wall of the mixing box (1).
5. The foam microporous foaming molding device based on supercritical fluid according to claim 1, characterized in that: The sliding plate (72) is slidably connected to the top inner wall of the concave-convex opening (73), and the bottom scraper (78) is slidably connected to the bottom inner wall of the placement cylinder (4).
6. The foam microporous foaming molding device based on supercritical fluid according to claim 2, characterized in that: The front and rear outer walls of the paddle (83) are fixedly connected with frosted pads, and the end of the small spring (85) away from the paddle (83) is fixedly connected to the bottom inner wall of the L-shaped frame (5).
7. The foam microporous foaming molding device based on supercritical fluid according to claim 2, characterized in that: There are two limiting ports (82), which are vertically opened on the rear inner wall of the slide (81), and the locking plate (84) is engaged with the rear inner wall of the limiting ports (82).
8. The foam microporous foaming molding device based on supercritical fluid according to claim 1, characterized in that: The control panel (2) is fixedly connected to the front outer wall of the mixing box (1), the discharge valve (3) is fixedly connected to the bottom outer wall of the mixing box (1), the placement cylinder (4) is slidably connected to the top inner wall of the mixing box (1), and the L-shaped frame (5) is snapped into the top inner wall of the mixing box (1).