A resin molding device with high-precision controllable foaming ratio

By using a high-precision, controllable foaming ratio resin molding device, and by utilizing the design of a uniform cylinder assembly and a heating kettle assembly, the problems of uneven bubble distribution and incomplete melting in resin injection molding are solved. This achieves uniform mixing and full melting of resin and bubbles, thereby improving the molding quality of microporous foamed materials.

CN121200284BActive Publication Date: 2026-05-01TAIYUAN JISHENGDA REFRIGERATION EQUIP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
TAIYUAN JISHENGDA REFRIGERATION EQUIP
Filing Date
2025-10-22
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

During resin injection molding, uneven dispersion of air bubbles or incomplete melting of resin can lead to product defects, especially in the production of microporous foam materials where the size of the air bubbles is inconsistent.

Method used

The resin molding device employs a high-precision controllable foaming ratio. Through the design of the uniform cylinder assembly and the heating kettle assembly, it ensures that the resin and bubbles are uniformly mixed and fully melted. This includes the use of fan blade rotation and heating plate wheels in the uniform cylinder assembly to ensure resin flowability and bubble uniformity.

Benefits of technology

This process achieves uniform mixing and complete melting of resin and air bubbles, avoiding problems such as uneven gas dispersion and inconsistent cell size in the molding of microporous foam materials, thus improving product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the technical field of injection molding equipment, and discloses a resin molding device with controllable foaming ratio and high precision, which comprises a foaming assembly, the foaming assembly comprises a fat dissolving cylinder, one side of the fat dissolving cylinder is fixedly connected with an airflow dispersion assembly in communication, the bottom of the fat dissolving cylinder is fixedly connected with a bubble liquid cylinder, the inner side of the top of the bubble liquid cylinder is slidably sleeved with a piston pressure plate, characterized in that the bottom of the inside of the fat dissolving cylinder is rotationally connected with a uniform cylinder assembly, the top of the fat dissolving cylinder is connected with a heating kettle in communication, the inner side of the heating kettle is rotationally sleeved with a rotating shaft, the side of the rotating shaft is fixedly sleeved with a stirring element, the bottom end of the rotating shaft is fixedly connected with a heating plate wheel, the top of the foaming assembly is fixedly connected with a fat melting assembly in communication, and the bottom of the foaming assembly is fixedly connected with a solidification assembly in communication, so that the resin and the bubbles are uniformly mixed and discharged, and the problem that the microcellular foaming material is defective due to the non-uniform bubbles is avoided.
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Description

A resin molding device with high precision controllable foaming ratio Technical Field

[0001] This invention relates to the field of injection molding equipment technology, and more specifically to a resin molding device with a high-precision controllable foaming ratio. Background Technology

[0002] Resin molding equipment is an industrial device used to process resin materials into specific shapes. It is widely used in plastic products. High-precision, controllable foaming ratio resin molding equipment is an advanced device specifically designed for producing microporous foamed materials or structural foams. Microporous foamed materials refer to materials with uniformly distributed cells, an average cell diameter of 1μm-100μm, and a cell density of 10-1. 7 -10 10 Microporous foam materials, with a density that can be reduced by 5%-98% compared to their original density (cells / cm³), commonly include microporous polypropylene, microporous polyurethane, and microporous polyethylene. Due to their excellent cushioning, shock absorption, and thermal insulation properties, they are widely used in the packaging of electronic products, precision instruments, medical devices, and food, providing good cushioning protection and shock resistance while meeting hygiene and environmental protection requirements for packaging materials. However, in the field of resin injection molding, especially microporous foam injection molding, product defects often occur due to uneven bubble dispersion or incomplete resin melting during the injection process. Furthermore, incomplete resin melting during the production of microporous foam materials can lead to uneven gas dispersion and inconsistent cell sizes during foaming. Summary of the Invention

[0003] In order to overcome the above-mentioned defects of the prior art, the present invention provides a resin molding device with high precision controllable foaming ratio to solve the problems existing in the background art.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a resin molding device with high precision controllable foaming ratio, comprising a foaming component, the foaming component comprising a fat-dissolving cylinder, an airflow dispersion component fixedly connected to one side of the fat-dissolving cylinder, an injection device fixedly connected to the bottom of the fat-dissolving cylinder, the injection device comprising a bubble liquid cylinder and a piston pressure plate, the piston pressure plate being slidably sleeved on the inner side of the top of the bubble liquid cylinder, characterized in that a uniform cylinder component is rotatably connected to the bottom inside the fat-dissolving cylinder;

[0005] The top of the fat-dissolving cylinder is connected to the heating vessel, the inner side of the heating vessel is rotatably fitted with a rotating shaft, the side of the rotating shaft is fixedly fitted with a stirring element, and the bottom end of the rotating shaft is fixedly connected with a heating plate wheel.

[0006] The uniform cylinder assembly is driven by the airflow dispersion assembly to draw in and stir the resin in the melting cylinder, making the resin bubbles uniform, and then the injection device injects the resin mixture into the mold.

[0007] Furthermore, the top of the foaming component is fixedly connected to a grease melting component, and the bottom of the foaming component is fixedly connected to a curing component. The uniform cylinder component is driven by the airflow dispersion component to draw in and stir the resin in the grease melting cylinder, so that the resin bubbles are uniform. Then, the bubble liquid cylinder and the piston pressure plate are injected and molded. The heating plate wheel further melts the resin in the heating kettle, promoting the uniformity of bubbles. The heating plate wheel includes fan plates, and the angle of the fan plates is 30-45°. The resin flowability is promoted by adjusting the angle of the fan plates.

[0008] Furthermore, one end of the uniform cylinder assembly is rotatably connected to the inner side of one side of the fat-dissolving cylinder, and the other end of the uniform cylinder assembly is rotatably connected to the inner side of the other side of the fat-dissolving cylinder. A connecting pipe is fixedly connected to the top of the fat-dissolving cylinder. A movable rod is fixedly connected to the middle of the top of the piston pressure plate, and the top of the movable rod passes through the bottom of the fat-dissolving cylinder. A spring is fixedly connected to the top of the piston pressure plate, and the top of the spring is fixedly connected to the bottom of the fat-dissolving cylinder. A square tube is fixedly connected to one side of the fat-dissolving cylinder, and an inclined tube is fixedly connected to the bottom of the square tube. One end of the inclined tube is fixedly connected to one side of the bubble liquid cylinder, and an outlet pipe is fixedly connected to the bottom of the bubble liquid cylinder.

[0009] Furthermore, the uniform cylinder assembly includes a rotating cylinder, with arc-shaped grooves at the top and bottom of one end of the rotating cylinder, an arc-shaped pressure block fixedly connected to the side of the rotating cylinder, and a plurality of fan blades fixedly connected to the inner side of the rotating cylinder. One end of each fan blade is fixedly connected to a rotating roller, and the fan blade is fixedly connected to the side of the rotating roller.

[0010] Furthermore, the airflow dispersion assembly includes an air cylinder, a shear turbine is rotatably sleeved on the inner side of one end of the air cylinder, and a rotating roller is fixedly connected to the front side of the shear turbine.

[0011] Furthermore, the lipolysis assembly includes a heating vessel, with a connecting pipe fixedly connected to the bottom of the heating vessel, a feed pipe fixedly connected to the top of one side of the heating vessel, a feed hopper fixedly connected to the top of the feed pipe, four fixed rods fixedly connected to the top of the heating vessel, a sleeve plate fixedly connected to the top of the four fixed rods, a motor fixedly sleeved on the inner side of the sleeve plate, a rotating shaft fixedly connected to the drive end at the bottom of the motor, the rotating shaft passing through the heating vessel, and the bottom end of the rotating shaft located inside the top of the lipolysis cylinder, the stirring element located at the bottom inside the heating vessel, and the heating plate wheel located at the top inside the lipolysis cylinder.

[0012] Furthermore, the stirring element consists of a sleeve and stirring rods. Several stirring rods are fixedly connected to the side of the sleeve. The sleeve is fixedly sleeved onto the side of the rotating shaft. The heating plate wheel consists of an upper ring, a lower plate, and fan plates. Several fan plates are fixedly connected to the side of the upper ring. The back of the bottom end of the fan plates is fixedly connected to the lower plate and is fixedly connected to the side of the lower plate. The bottom end of the rotating shaft is fixedly connected to the top center of the lower plate.

[0013] Furthermore, the curing assembly includes a mounting plate, four columns are fixedly connected to the bottom of the mounting plate, a control console is fixedly connected to the bottom of the four columns, a slide rail is fixedly connected to the top of the mounting plate, four support rods are fixedly connected to the top of the mounting plate, a fixing plate is fixedly connected to the top of the four support rods, a mold assembly is slidably connected to the top of the slide rail, a bubble cylinder is fixedly connected to the top of the fixing plate, the liquid outlet pipe passes through the fixing plate and the bottom end of the liquid outlet pipe is located at the top of the mold assembly, a metering pump is fixedly connected to one end of the top of the control console, an air pipe is fixedly connected to the front of the metering pump, and an airflow dispersion assembly is fixedly connected to one end of the air pipe.

[0014] Furthermore, the mounting plate has a square groove in the middle, a motor is fixedly sleeved inside the square groove, a cooling fan is fixedly connected to the top drive end of the motor, and a wind groove is provided in the middle of the slide rail, with a support plate fixedly connected to the inner side of the wind groove.

[0015] Furthermore, the mold assembly includes two plastic molds, which are arranged opposite each other and are both hollow structures. Ventilation meshes are fixedly sleeved on the inner sides of the top and bottom of the two plastic molds. Side plates are fixedly connected to the opposite sides of the two plastic molds. Slider blocks are fixedly connected to one side of the two side plates. The two slider blocks are slidably sleeved on the top of the slide rail.

[0016] The technical effects and advantages of this invention are as follows:

[0017] 1. A high-pressure metering pump injects physical foaming agent gas into the gas cylinder. When the high-pressure gas passes through the shear turbine, the gas is cut and dispersed by the turbine blades. At the same time, the high-pressure gas pushes the shear turbine to rotate. The dispersed gas is injected into the molten resin in the bubble liquid cylinder to generate a large number of bubbles. The rotation of the shear turbine drives the rotating roller to rotate, which in turn drives the uniform cylinder assembly to rotate. The rotation of the uniform cylinder assembly causes the internal fan blades to rotate. The molten resin entering the rotating cylinder is mixed evenly with the bubbles. When the fan blades rotate, they push the molten resin and discharge the uniformly mixed resin into the outlet pipe, and finally into the bubble liquid cylinder. Because the molten resin has fluidity, it will continuously flow into the rotating cylinder, so that the resin and bubbles are evenly mixed before being discharged. This avoids the problem of defects in the molding of microporous foamed materials caused by uneven bubbles.

[0018] 2. In the heating kettle, a motor-driven rotating shaft rotates the stirring assembly, continuously agitating the resin during the melting process. This ensures the resin is heated from all sides. The molten resin flows into the melting cylinder through pipes. Upon entering the melting cylinder, the resin first flows into the heating plate wheel for further heating and melting. The heating plate wheel is driven to rotate by the rotating shaft. Fully melted resin is ejected as the heating plate wheel rotates, while incompletely melted resin continues to melt within the heating plate wheel. The rotation of the heating plate wheel simultaneously agitates the resin in the melting cylinder, increasing its fluidity and promoting its entry into the rotating cylinder. This process avoids incomplete resin melting, which can lead to uneven gas dispersion and inconsistent cell sizes during foaming and molding. Attached Figure Description

[0019] Figure 1 is a schematic diagram of the overall structure of the present invention;

[0020] Figure 2 is a schematic diagram of the overall structure of the foaming component of the present invention;

[0021] Figure 3 is a schematic cross-sectional view of the foaming component of the present invention;

[0022] Figure 4 is a schematic diagram of the uniform cylinder assembly structure of the present invention;

[0023] Figure 5 is a schematic diagram of the airflow dispersion component structure of the present invention;

[0024] Figure 6 is a schematic diagram of the grease melting component of the present invention;

[0025] Figure 7 is a schematic diagram of the curing component structure of the present invention;

[0026] Figure 8 is an exploded view of the mold assembly of the present invention.

[0027] The attached figures are labeled as follows: 1. Foaming component; 101. Melting cylinder; 102. Uniform cylinder component; 1021. Rotating cylinder; 1022. Arc pressure block; 1023. Fan blade; 103. Airflow dispersion component; 1031. Air cylinder; 1032. Shear turbine; 1033. Rotating roller; 104. Bubble liquid cylinder; 105. Piston pressure plate; 2. Melting component; 201. Heating kettle; 202. Feed hopper; 203. Motor; 204. Rotating shaft; 205. Stirring element; 206. Heating plate wheel; 3. Curing component; 301. Mounting plate; 302. Slide rail; 303. Mold component; 3031. Plastic mold; 3032. Ventilation net; 3033. Slider; 304. Metering pump. Detailed Implementation

[0028] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The resin molding apparatus for high-precision controllable foaming ratio involved in the present invention is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] Referring to Figure 1, the present invention provides a resin molding device with high precision controllable foaming ratio, including a foaming component 1, a grease melting component 2 fixedly connected to the top of the foaming component 1, and a curing component 3 fixedly connected to the bottom of the foaming component 1.

[0030] In this embodiment, it is necessary to specifically explain that the foaming component 1 ensures that the resin and air bubbles are evenly mixed before being discharged, thus avoiding the problem of defects in the microporous foam material due to uneven air bubbles. The fusion component 2 avoids the problem of uneven gas dispersion and inconsistent cell size during foaming due to incomplete resin melting. The specific structure and working principle of the above components will be explained in detail later.

[0031] Referring to Figures 2 and 3, the foaming component 1 includes a fat-dissolving cylinder 101. A uniform cylinder component 102 is rotatably connected to the bottom of the fat-dissolving cylinder 101. One end of the uniform cylinder component 102 is rotatably connected to the inner side of one side of the fat-dissolving cylinder 101, and the other end is rotatably connected to the inner side of the other side of the fat-dissolving cylinder 101. A connecting pipe is fixedly connected to the top of the fat-dissolving cylinder 101. An airflow dispersion component 103 is fixedly connected to one side of the fat-dissolving cylinder 101. A bubble liquid cylinder 104 is fixedly connected to the bottom of the fat-dissolving cylinder 101. The inner side of the top of the bubble liquid cylinder 104 slides... A piston pressure plate 105 is dynamically connected to the piston. The bubble liquid cylinder 104 and the piston pressure plate 105 form an injection device. A movable rod is fixedly connected to the top center of the piston pressure plate 105, and the top of the movable rod passes through the bottom of the fat-dissolving cylinder 101. A spring is fixedly connected to the top of the piston pressure plate 105, and the top of the spring is fixedly connected to the bottom of the fat-dissolving cylinder 101. A square tube is fixedly connected to one side of the fat-dissolving cylinder 101, and an inclined tube is fixedly connected to the bottom of the square tube. One end of the inclined tube is fixedly connected to one side of the bubble liquid cylinder 104, and an outlet pipe is fixedly connected to the bottom of the bubble liquid cylinder 104.

[0032] In this embodiment, it is necessary to specifically explain that the molten resin in the fat melting cylinder 101 is discharged from the uniform cylinder assembly 102 into the square tube, then flows from the square tube into the inclined tube, and finally enters the waiting piston pressure plate 105 in the bubble liquid cylinder 104 for injection into the liquid outlet pipe.

[0033] Referring to Figure 4, the uniform cylinder assembly 102 includes a rotating cylinder 1021. One end of the rotating cylinder 1021 has an arc-shaped groove at its top and bottom. An arc-shaped pressure block 1022 is fixedly connected to the side of the rotating cylinder 1021. Several fan blades 1023 are fixedly connected to the inner side of the rotating cylinder 1021. One end of each fan blade 1023 is fixedly connected to a rotating roller 1033, and the fan blade 1023 is fixedly connected to the side of the rotating roller 1033.

[0034] In this embodiment, it is necessary to further explain that the arc pressure block 1022 is thick in the middle and gradually thins towards both sides. The arc pressure block 1022 rotates with the rotating cylinder 1021. When one end of the arc pressure block 1022 contacts the top of the movable rod, the movable rod is squeezed and moved downward. When the top of the movable rod contacts the middle position of the arc pressure block 1022, the movable rod is squeezed and moved downward the most. During the downward movement of the movable rod, the piston pressure plate 105 is driven to move downward, realizing the resin injection action, so that the resin in the bubble liquid cylinder 104 enters the liquid outlet pipe.

[0035] Referring to Figure 5, the airflow dispersion assembly 103 includes an air cylinder 1031, a shear turbine 1032 is rotatably sleeved on the inner side of one end of the air cylinder 1031, and a rotating roller 1033 is fixedly connected to the front side of the shear turbine 1032.

[0036] In this embodiment, it is necessary to further explain that a high-pressure pump is used to inject physical foaming agent gas into the gas cylinder 1031. When the high-pressure gas passes through the shear turbine 1032, the gas is cut and dispersed by the turbine blades. At the same time, the high-pressure gas pushes the shear turbine 1032 to rotate. The dispersed gas is injected into the molten resin in the bubble liquid cylinder 104 to generate a large number of bubbles. The rotation of the shear turbine 1032 drives the rotating roller 1033 to rotate, which in turn drives the uniform cylinder assembly 102 to rotate. The rotation of the uniform cylinder assembly 102 causes the internal fan blades to rotate. The molten resin entering the rotating cylinder 1021 is stirred evenly with the bubbles. When the fan blades 1023 rotate, they push the molten resin and discharge the uniformly mixed resin into the outlet pipe, and finally into the bubble liquid cylinder 104. Because the molten resin has fluidity, it will continuously flow into the rotating cylinder 1021, so that the resin and bubbles are evenly mixed and discharged, avoiding the problem of defects in the molding of microporous foamed materials due to uneven bubbles.

[0037] Referring to Figures 3 and 6, the lipolysis assembly 2 includes a heating vessel 201. A connecting pipe is fixedly connected to the bottom of the heating vessel 201. A feed pipe is fixedly connected to the top of one side of the heating vessel 201. A feed hopper 202 is fixedly connected to the top of the feed pipe. Four fixing rods are fixedly connected to the top of the four fixing rods. A sleeve plate is fixedly connected to the inner side of the sleeve plate. A motor 203 is fixedly sleeved on the inner side of the sleeve plate. A rotating shaft 204 is fixedly connected to the driving end at the bottom of the motor 203. The rotating shaft 204 passes through the heating vessel 201, and the bottom end of the rotating shaft 204 is located inside the top of the lipolysis cylinder 101. A stirring element 205 is fixedly sleeved on the side of the rotating shaft 204, and the stirring element 205 is located at the bottom inside the heating vessel 201. A heating plate wheel 206 is fixedly connected to the bottom end of the rotating shaft 204, and the heating plate wheel 206 is located at the top inside the lipolysis cylinder 101.

[0038] The stirring element 205 consists of a sleeve and stirring rods. Several stirring rods are fixedly connected to the side of the sleeve, and the sleeve is fixedly sleeved to the side of the rotating shaft 204.

[0039] The heating plate wheel 206 consists of an upper ring, a lower plate, and fan plates. Several fan plates are fixedly connected to the side of the upper ring. The lower plate is fixedly connected to the back of the bottom end of the fan plates and is also fixedly connected to the side of the lower plate. The angle between the tangent at the connection between the fan plates and the upper ring is 30-45°. The larger the angle, the better the effect of the heating plate wheel 206 in promoting the flow of resin in the melting cylinder 101. The specific angle can be set according to actual needs. The bottom end of the rotating shaft 204 is fixedly connected to the top center of the lower plate.

[0040] In this embodiment, it is necessary to specifically explain that the heating vessel 201 has a built-in graphite heating element, and the heating temperature is controlled at 180-300℃ to achieve the function of heating and melting the resin. The top of the lower plate is equipped with a graphite heating element for heating, and its temperature control is the same as that of the heating vessel 201.

[0041] In the heating vessel 201, the motor 203 drives the rotating shaft 204 to rotate the stirring element 205, which continuously stirs the resin during the melting process, thereby ensuring that the resin is heated from all directions. The molten resin flows into the melting cylinder 101 through the pipe. When the resin flows into the melting cylinder 101, it first flows into the heating plate wheel 206 for further heating and melting. The heating plate wheel 206 is driven to rotate by the rotating shaft 204. The fully melted resin is thrown out when the heating plate wheel 206 rotates, while the incompletely melted resin continues to melt in the heating plate wheel 206. The rotation of the heating plate wheel 206 simultaneously stirs the resin in the melting cylinder 101 to increase the fluidity of the resin and promote the resin to enter the rotating cylinder. This process avoids the problem of uneven gas dispersion and inconsistent cell size during foaming molding caused by incomplete resin melting.

[0042] Referring to Figure 7, the curing component 3 includes a mounting plate 301. Four pillars are fixedly connected to the bottom of the mounting plate 301, and a control console is fixedly connected to the bottom end of the four pillars. A slide rail 302 is fixedly connected to the top of the mounting plate 301. Four support rods are fixedly connected to the top of the mounting plate 301, and a fixing plate is fixedly connected to the top of the four support rods. A mold assembly 303 is slidably connected to the top of the slide rail 302. A bubble cylinder 104 is fixedly connected to the top of the fixing plate. The liquid outlet pipe passes through the fixing plate, and the bottom end of the liquid outlet pipe is located at the top of the mold assembly 303. A metering pump 304 is fixedly connected to one end of the top of the control console. An air pipe is fixedly connected to the front of the metering pump 304, and one end of the air pipe is fixedly connected to an airflow dispersion component 103.

[0043] The injection device injects a uniformly bubbled resin mixture into the mold assembly 303 through the reciprocating motion of the piston pressure plate 105, thereby achieving injection molding with a high-precision controllable foaming ratio.

[0044] Driven by the airflow dispersion component 103, the piston pressure plate 105 moves downward, injecting the resin mixture in the bubble liquid cylinder 104 into the mold component 303 through the liquid outlet pipe, thus completing the injection molding process.

[0045] In this embodiment, it is necessary to further explain that the heating vessel 201, motor 203, heating plate wheel 206, and metering pump 304 are all controlled by the control console. Their circuit connection method is existing technology and is therefore not shown in the figure. It will not be described in detail here. The metering pump 304 injects a physical foaming agent, such as supercritical CO2 / N2, into the molten resin through the airflow dispersion component 103. The temperature of the supercritical CO2 is 31.1℃ and the pressure is 7.38MPa. The gas and resin form a homogeneous solution. The temperature rises and bubbles are formed in the resin. This is existing technology and will not be described in detail here.

[0046] Referring to Figure 8, the mounting plate 301 has a square groove in the middle, and a motor is fixedly sleeved inside the square groove. A cooling fan is fixedly connected to the top drive end of the motor. The slide rail 302 has an air groove in the middle, and a support plate is fixedly connected to the inner side of the air groove.

[0047] The mold assembly 303 includes two plastic molds 3031, which are arranged opposite each other and are both hollow. Ventilation meshes 3032 are fixedly sleeved on the inner sides of the top and bottom of the two plastic molds 3031. Side plates are fixedly connected to the opposite sides of the two plastic molds 3031. Slider blocks 3033 are fixedly connected to one side of the two side plates. The two sliders 3033 are slidably sleeved on the top of the slide rail 302.

[0048] In this embodiment, it is necessary to specifically explain that the liquid outlet pipe discharges the resin with uniform bubbles into the space between the two air cylinders 1031. Then, the cooling fan is driven by the motor, and the airflow flows through the inside of the plastic mold 3031, carrying away the temperature of the resin for cooling and curing, and finally demolding and molding.

[0049] The working principle of this invention is as follows: A high-pressure pump injects physical foaming agent gas into the gas cylinder 1031. When the high-pressure gas passes through the shear turbine 1032, the gas is cut and dispersed by the turbine blades. At the same time, the high-pressure gas pushes the shear turbine 1032 to rotate. The dispersed gas is injected into the molten resin in the bubble liquid cylinder 104 to generate a large number of bubbles. The rotation of the shear turbine 1032 drives the rotating roller 1033 to rotate, which in turn drives the uniform cylinder assembly 102 to rotate. The rotation of the uniform cylinder assembly 102 causes the internal fan blades to rotate. The molten resin entering the rotating cylinder 1021 is stirred evenly with the bubbles. When the fan blades 1023 rotate, they push the molten resin and discharge the uniformly mixed resin into the outlet pipe, and finally into the bubble liquid cylinder 104. Because the molten resin has fluidity, it will continuously flow into the rotating cylinder 1021, so that the resin and bubbles are evenly mixed and discharged, avoiding the problem of defects in the microporous foam material molding caused by uneven bubbles.

[0050] In the heating vessel 201, the motor 203 drives the rotating shaft 204 to rotate the stirring element 205, which continuously stirs the resin during the melting process, thereby ensuring that the resin is heated from all directions. The molten resin flows into the melting cylinder 101 through the pipe. When the resin flows into the melting cylinder 101, it first flows into the heating plate wheel 206 for further heating and melting. The heating plate wheel 206 is driven to rotate by the rotating shaft 204. The fully melted resin is thrown out when the heating plate wheel 206 rotates, while the incompletely melted resin continues to melt in the heating plate wheel 206. The rotation of the heating plate wheel 206 simultaneously stirs the resin in the melting cylinder 101 to increase the fluidity of the resin and promote the resin to enter the rotating cylinder. This process avoids the problem of uneven gas dispersion and inconsistent cell size during foaming molding caused by incomplete resin melting.

[0051] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0052] Secondly: The accompanying drawings of the embodiments disclosed in this invention only involve the structures involved in the embodiments disclosed in this invention. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this invention can be combined with each other.

[0053] In conclusion, the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A resin molding device with high precision controllable foaming ratio, comprising a foaming component (1), the foaming component (1) comprising a dissolving cylinder (101), one side of the dissolving cylinder (101) being fixedly connected to an airflow dispersion component (103), the bottom of the dissolving cylinder (101) being fixedly connected to an injection device, the injection device comprising a bubble liquid cylinder (104) and a piston pressure plate (105), the piston pressure plate (105) being slidably sleeved on the inner side of the top of the bubble liquid cylinder (104), characterized in that, The bottom of the fat-dissolving cylinder (101) is rotatably connected to a uniform cylinder assembly (102); the top of the fat-dissolving cylinder (101) is connected to a heating vessel (201); a rotating shaft (204) is rotatably sleeved on the inner side of the heating vessel (201); a stirring element (205) is fixedly sleeved on the side of the rotating shaft (204); a heating plate wheel (206) is fixedly connected to the bottom end of the rotating shaft (204); the heating plate wheel (206) further melts the resin in the heating vessel (201) and promotes uniform bubble formation; the heating plate wheel (206) includes fan plates, and the included angle of the fan plates is 30-45°. The resin flowability is promoted by adjusting the fan plate angle; one end of the uniform cylinder assembly (102) is rotatably connected to the inner side of one side of the fat-dissolving cylinder (101), and the other end of the uniform cylinder assembly (102) is rotatably connected to the inner side of the other side of the fat-dissolving cylinder (101). A connecting pipe is fixedly connected to the top of the fat-dissolving cylinder (101). A movable rod is fixedly connected to the middle of the top of the piston pressure plate (105), and the top of the movable rod passes through the bottom of the fat-dissolving cylinder (101). A spring is fixedly connected to the top of the piston pressure plate (105), and the top of the spring is fixedly connected to the bottom of the fat-dissolving cylinder (101). A square tube is fixedly connected to one side of the fat-dissolving cylinder (101), and an inclined tube is fixedly connected to the bottom of the square tube. One end of the inclined tube is fixedly connected to one side of the bubble liquid cylinder (104), and an outlet pipe is fixedly connected to the bottom of the bubble liquid cylinder (104). The uniform cylinder assembly (102) includes a rotating cylinder (1021). An arc groove is provided at the top and bottom of one end of the rotating cylinder (1021). An arc pressure block (1022) is fixedly connected to the side of the rotating cylinder (1021). Several fan blades (1023) are fixedly connected to the inner side of the rotating cylinder (1021). One end of each fan blade (1023) is fixedly connected to the side of the rotating cylinder (1021). A rotating roller (1033) is fixedly connected to the rotating roller (1033), and a fan blade (1023) is fixedly connected to the side of the rotating roller (1033); the airflow dispersion assembly (103) includes an air cylinder (1031), a shear turbine (1032) is rotatably sleeved on the inner side of one end of the air cylinder (1031), and a rotating roller (1033) is fixedly connected to the front side of the shear turbine (1032); the uniform cylinder assembly (102) is driven by the airflow dispersion assembly (103) to draw in and stir the resin in the melting cylinder (101) so that the resin bubbles are uniform, and then the resin mixture is injected into the mold by the injection device.

2. The resin molding device with high precision controllable foaming ratio according to claim 1, characterized in that: The top of the foaming component (1) is fixedly connected to the grease melting component (2), and the bottom of the foaming component (1) is fixedly connected to the curing component (3). The uniform cylinder component (102) is driven by the airflow dispersion component (103) to draw in the resin in the grease melting cylinder (101) and stir it, so that the resin bubbles are uniform, and then the bubble liquid cylinder (104) and the piston pressure plate (105) are injection molded.

3. The resin molding device with high precision controllable foaming ratio according to claim 2, characterized in that: The lipolysis assembly (2) includes a heating vessel (201), the bottom of which is fixedly connected to a connecting pipe, the top of one side of which is fixedly connected to a feed pipe, the top of which is fixedly connected to a feed hopper (202), the top of which is fixedly connected to four fixed rods, the top of which is fixedly connected to a sleeve plate, the inner side of which is fixedly fitted with a motor (203), the bottom of which is fixedly connected to a rotating shaft (204), the rotating shaft (204) passing through the heating vessel (201), and the bottom of which is located inside the lipolysis cylinder (101), the stirring element (205) located at the bottom of the heating vessel (201), and the heating plate wheel (206) located at the top of the lipolysis cylinder (101).

4. The resin molding device with high precision controllable foaming ratio according to claim 3, characterized in that: The stirring element (205) consists of a sleeve and stirring rods. Several stirring rods are fixedly connected to the side of the sleeve. The sleeve is fixedly sleeved to the side of the rotating shaft (204). The heating plate wheel (206) consists of an upper ring, a lower plate, and fan plates. Several fan plates are fixedly connected to the side of the upper ring. The back of the bottom end of the fan plate is fixedly connected to the lower plate and fixedly connected to the side of the lower plate. The bottom end of the rotating shaft (204) is fixedly connected to the top center of the lower plate.

5. The resin molding device with high precision controllable foaming ratio according to claim 4, characterized in that: The curing component (3) includes a mounting plate (301), four columns are fixedly connected to the bottom of the mounting plate (301), a control console is fixedly connected to the bottom of the four columns, a slide rail (302) is fixedly connected to the top of the mounting plate (301), four support rods are fixedly connected to the top of the mounting plate (301), a fixing plate is fixedly connected to the top of the four support rods, a mold assembly (303) is slidably connected to the top of the slide rail (302), a bubble liquid cylinder (104) is fixedly connected to the top of the fixing plate, the liquid outlet pipe passes through the fixing plate, and the bottom end of the liquid outlet pipe is located at the top of the mold assembly (303), a metering pump (304) is fixedly connected to one end of the top of the control console, an air pipe is fixedly connected to the front of the metering pump (304), an air dispersion component (103) is fixedly connected to one end of the air pipe, and the liquid outlet pipe is connected to the mold assembly (303) for injecting the resin mixture into the mold.

6. The resin molding apparatus for high-precision controllable foaming ratio according to claim 5, characterized in that: The mounting plate (301) has a square groove in the middle, and an electric motor is fixedly sleeved inside the square groove. A cooling fan is fixedly connected to the top drive end of the electric motor. The slide rail (302) has a wind groove in the middle, and a support plate is fixedly connected to the inner side of the wind groove.

7. The resin molding apparatus for high-precision controllable foaming ratio according to claim 6, characterized in that: The mold assembly (303) includes two plastic molds (3031), which are arranged opposite each other and are both hollow. Ventilation mesh (3032) is fixedly sleeved on the inner side of the top and bottom of the two plastic molds (3031). Side plates are fixedly connected to the opposite side of the two plastic molds (3031), and sliders (3033) are fixedly connected to one side of the two side plates. The two sliders (3033) are slidably sleeved on the top of the slide rail (302).

Citation Information

Patent Citations

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