An EPP foam foaming device
By improving the structural design of the EPP foaming device, and utilizing spiral grooves, feeding devices, and stirring devices, the problem of insufficient contact between EPP particles and foaming agent was solved, thereby improving the uniformity and efficiency of the foaming process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JIANGXI GANCHANG INTELLIGENT NEW MATERIAL CO LTD
- Filing Date
- 2025-08-27
- Publication Date
- 2026-07-21
AI Technical Summary
In existing EPP foaming devices, the contact area between EPP particles and the foaming agent may be too small, resulting in uneven foaming, with bubbles that are too large or too small, affecting foam quality and structural consistency.
The rotating rod, feeding device, and stirring device with spiral groove design, through the combination of rack, gear, fan blade and stirring rod, ensure full contact and uniform mixing of EPP granules and foaming agent, increase the surface area of the granules, and promote the uniform distribution of foaming agent in the granules.
It improves the reaction efficiency between the foaming agent and EPP particles, ensures a uniform foaming process, reduces uneven bubble formation, and enhances foam quality and production efficiency.
Smart Images
Figure CN224527807U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to foam foaming technology, specifically to an EPP foam foaming device. Background Technology
[0002] EPP (Expanded Polypropylene) foam is a lightweight, high-strength, high-temperature resistant, and environmentally friendly material widely used in automobiles, packaging, construction, sporting goods, and other fields. The production process of EPP foam typically includes pre-foaming of the material, foaming and molding, and final product processing.
[0003] In the prior art, Chinese patent publication number CN222022066U discloses an EPP foam foaming device, including a foaming barrel. Multiple vertical U-shaped frames are fixedly installed on the outer circumferential surface of the foaming barrel. A sliding box is slidably installed between the U-shaped frames. A first motor is fixedly installed inside the sliding box. Gears are rotatably connected to both ends of the first motor. A toothed groove is formed on one side wall of the inner side of the U-shaped frame, meshing with the gear. A rotating motor is fixedly installed at the upper end of the sliding box. A connecting rod is fixedly installed on the output shaft of the rotating motor, and the connecting rod can change direction. A stirring and cleaning rod is fixedly installed on the lower end face of the other end of the connecting rod. However, the above application still has the following defects: when using an EPP foam foaming device, the contact area between the EPP particles and the foaming agent may be too small, resulting in uneven foaming and bubbles that are too large or too small. Utility Model Content
[0004] In view of the problems in the related technologies, this utility model proposes an EPP foaming device to overcome the above-mentioned technical problems existing in the existing related technologies.
[0005] Therefore, the specific technical solution adopted by this utility model is as follows: An EPP foaming device includes a foaming barrel. A motor is fixedly mounted at the bottom of the foaming barrel, and a rotating rod is fixedly mounted at the output end of the motor. A spiral groove is formed on the circumferential surface of the rotating rod. A feeding device is provided at the top of the foaming barrel. The feeding device includes a rotating plate, which is fixedly mounted on the top of the rotating rod. A connecting button is fixedly mounted on the top of the rotating plate. A pad is fixedly mounted on the top of the foaming barrel. The connecting button is designed for better transmission.
[0006] An arc-shaped block is fixedly installed on the top of the pad, and a movable column is slidably installed on the surface of the rotating plate.
[0007] A rack is fixedly installed on the outer wall of the movable column, a feeding bucket is fixedly installed on the top of the foaming barrel, and a gear is rotatably installed on the top of the foaming barrel. The cooperation between the rack and the gear can convert smooth linear motion into rotational motion.
[0008] The gear has a fan blade fixedly installed on its circumference. The gear meshes with the rack. The fan blade helps to disrupt its original structure, making the particles looser and increasing the surface area of the particles.
[0009] The number of each of the arc-shaped block, rack, feed bucket, gear and fan blade is set to two, and they are symmetrical along the vertical central axis of the rotating rod.
[0010] The foaming tank is equipped with a stirring device, which includes a stirring rod. The stirring rod is fixedly installed on the circumferential surface of a rotating rod. An L-shaped plate is threaded onto the circumferential surface of the rotating rod. The L-shaped plate helps the bubbles to be evenly distributed during the foaming process.
[0011] A foaming plate is fixedly installed on the top of the L-shaped plate, and a spiral blade is fixedly installed on the circumferential surface of the rotating rod. The number of stirring rods is set to three and arranged in an array along the circumference of the rotating rod. The spiral blade helps to ensure that the foaming agent is evenly distributed in the EPP particles, thereby making the foaming effect more consistent.
[0012] The beneficial effects of this utility model are as follows: During the crushing process, the particle shape changes due to the feeding device, increasing the contact area with the foaming agent. This helps the foaming agent react more fully with the EPP particles, improving the foam expansion effect, accelerating the reaction of the foaming agent with other raw materials, and improving foaming efficiency.
[0013] The mixing device ensures continuous mixing between the foaming agent and EPP granules, reducing potential dead zones during the foaming process, preventing instability in the foam structure, resulting in a more uniform foaming process, and making it less prone to irregular expansion or bubble rupture during the molding process. Attached Figure Description
[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0015] Figure 1 This is a schematic diagram of an EPP foaming device according to an embodiment of the present utility model; Figure 2This is a half-section schematic diagram of an EPP foaming device according to an embodiment of the present utility model; Figure 3 This is a schematic diagram of the rotating plate and fan blades of an EPP foaming device according to an embodiment of the present utility model; Figure 4 This is a schematic diagram of the rack and gear of an EPP foam foaming device according to an embodiment of the present utility model; Figure 5 This is a schematic diagram of the stirring rod and spiral blade of an EPP foaming device according to an embodiment of the present utility model; In the picture: 1. Foaming tank; 2. Motor; 3. Rotating rod; 4. Feeding device; 40. Rotating plate; 41. Connecting button; 42. Pad; 43. Arc-shaped block; 44. Moving column; 45. Rack; 46. Feeding tank; 47. Gear; 48. Fan blade; 5. Mixing device; 50. Mixing rod; 51. L-shaped plate; 52. Foaming plate; 53. Spiral blade. Detailed Implementation
[0016] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.
[0017] According to an embodiment of the present invention, an EPP foaming device is provided.
[0018] like Figure 1-5 As shown, the shockproof high-voltage distribution cabinet according to an embodiment of the present invention includes a foaming barrel 1. The bottom of the foaming barrel 1 is fixedly installed with the fixed end of a motor 2. The output end of the motor 2 is fixedly installed with a rotating rod 3. The circumferential surface of the rotating rod 3 is provided with a spiral groove. The top of the foaming barrel 1 is provided with a feeding device 4. The feeding device 4 includes a rotating plate 40. The rotating plate 40 is fixedly installed on the top of the rotating rod 3. A connecting button 41 is fixedly installed on the top of the rotating plate 40. A pad 42 is fixedly installed on the top of the foaming barrel 1. The pad 42 can better perform mechanical movement.
[0019] An arc-shaped block 43 is fixedly installed on the top of the pad 42, and a movable column 44 is slidably installed on the surface of the rotating plate 40. The arc-shaped block 43 can more effectively stabilize the device. A rack 45 is fixedly installed on the outer wall of the movable column 44, and a feeding bucket 46 is fixedly installed on the top of the foaming bucket 1. A gear 47 is rotatably installed on the top of the foaming bucket 1. The gear 47 has a small contact surface and less friction, which can better transmit power.
[0020] A fan blade 48 is fixedly installed on the circumference of the gear 47. The gear 47 meshes with the rack 45, and the fan blade 48 better crushes and mixes the EPP particles and foaming agent. The number of the arc block 43, rack 45, feeding bucket 46, gear 47 and fan blade 48 are each set to two, and they are symmetrical along the vertical central axis of the rotating rod 3.
[0021] The foaming tank 1 is equipped with a stirring device 5, which includes a stirring rod 50. The stirring rod 50 is fixedly installed on the circumferential surface of the rotating rod 3, and an L-shaped plate 51 is threaded onto the circumferential surface of the rotating rod 3. A foaming plate 52 is fixedly installed on the top of the L-shaped plate 51, and a spiral blade 53 is fixedly installed on the circumferential surface of the rotating rod 3. The number of stirring rods 50 is set to three, and they are arranged in an array along the circumference of the rotating rod 3. The foaming plate 52 prevents the bubbles from being unevenly distributed between the upper and lower layers.
[0022] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.
[0023] In practical applications, the motor 2 drives the rotating rod 3 to rotate, which in turn drives the rotating plate 40 to rotate. The rotating plate 40 then drives the moving column 44 to move left and right. When the moving column 44 moves left and right, it drives the rack 45 to move left and right. When the rack 45 moves left and right, it comes into contact with the gear 47. At this time, the rack 45 drives the gear 47 to rotate. When the gear 47 rotates, it drives the fan blade 48 to rotate. Since the feeding barrel 46 contains EPP granules and foaming agent, the fan blade 48 can break up the EPP inside the feeding barrel 46 when it rotates. This helps to break down its original structure, making the granules looser and increasing the surface area of the granules. This, in turn, helps the foaming agent to be evenly distributed on the surface of the granules. The fan blade 48 also stirs the foaming agent inside the feeding barrel 46 when it rotates, which can ensure that the foaming agent is evenly distributed in the raw materials. This ensures that the bubbles are evenly distributed during the foaming process, avoids areas with too much or too little foam, and ensures the quality and structural consistency of the foam. When EPP granules and foaming agent fall into the foaming tank 1, the rotating rod 3 rotates, causing the stirring rod 50 to rotate. Since the L-shaped plate 51 is threaded onto the circumference of the rotating rod 3, when the rotating rod 3 rotates, it causes the L-shaped plate 51 to move up and down. When the L-shaped plate 51 moves up and down, it causes the foaming plate 52 to move up and down, helping the bubbles to be evenly distributed during the foaming process and preventing uneven distribution of bubbles between the upper and lower layers. As the rotating rod 3 rotates, it also causes the spiral blade 53 to rotate, which helps to ensure that the foaming agent is evenly distributed in the EPP granules, thus making the foaming effect more consistent. Each granule receives the same amount of foaming agent, avoiding uneven foaming, bubbles that are too large or too small, improving the overall quality of the foam, accelerating the dispersion and reaction of the foaming agent, reducing the time required for foaming, improving production efficiency, reducing energy consumption, and making the foaming process more efficient.
[0024] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. 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. An EPP foaming device, characterized in that, Includes a foaming barrel (1), the bottom of which is fixedly installed with the fixed end of a motor (2), the output end of which is fixedly installed with a rotating rod (3), the circumferential surface of which is provided with a spiral groove, and the top of which is provided with a feeding device (4). The feeding device (4) includes a rotating plate (40), which is fixedly installed on the top of the rotating rod (3). A connecting button (41) is fixedly installed on the top of the rotating plate (40), and a pad (42) is fixedly installed on the top of the foaming barrel (1).
2. The EPP foaming device according to claim 1, characterized in that, An arc-shaped block (43) is fixedly installed on the top of the pad (42), and a movable column (44) is slidably installed on the surface of the rotating plate (40).
3. The EPP foaming device according to claim 2, characterized in that, A rack (45) is fixedly installed on the outer wall of the movable column (44), a feeding bucket (46) is fixedly installed on the top of the foaming bucket (1), and a gear (47) is rotatably installed on the top of the foaming bucket (1).
4. The EPP foaming device according to claim 3, characterized in that, The gear (47) has a fan blade (48) fixedly installed on its circumferential surface, and the gear (47) meshes with the rack (45).
5. An EPP foaming device according to claim 2, characterized in that, The number of the arc block (43), rack (45), feed bucket (46), gear (47) and fan blade (48) is set to two, and they are symmetrical along the vertical central axis of the rotating rod (3).
6. The EPP foaming device according to claim 1, characterized in that, The foaming tank (1) is equipped with a stirring device (5), which includes a stirring rod (50). The stirring rod (50) is fixedly installed on the circumferential surface of the rotating rod (3), and an L-shaped plate (51) is threaded onto the circumferential surface of the rotating rod (3).
7. An EPP foaming device according to claim 6, characterized in that, A foaming plate (52) is fixedly installed on the top of the L-shaped plate (51), a spiral blade (53) is fixedly installed on the circumferential surface of the rotating rod (3), and the number of stirring rods (50) is set to three, and they are arranged in a circumferential array along the rotating rod (3).