EPS foamed plastic production equipment
By combining a spiral conveyor blade and a steam generator, the problem of insufficient contact between steam and beads during the EPS foaming process is solved, achieving uniform foaming and efficient production of the foam beads.
Patent Information
- Application Number
- CN202520251141.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-17
AI Technical Summary
In the process of EPS foaming, insufficient contact between steam and beads leads to uneven and incomplete foaming.
The system employs a combination of spiral conveyor blades, umbrella-shaped plates, and a steam generator. The spiral conveyor blades transport foam plastic beads upwards, and the steam generated by the steam generator is used to fully contact the beads through the guide pipe and exhaust nozzle to foam them.
This method achieves full foaming of foam plastic beads, improving foaming uniformity and efficiency.
Smart Images

Figure CN223604836U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of foamed plastic production, and specifically relates to an EPS foamed plastic production equipment. BACKGROUND
[0002] In the foaming process of EPS foamed plastic, the beads containing foaming agent will not foam before 80 DEG C, and only the foaming agent in the beads diffuses outward, at this time, the beads will not expand, when the temperature is greater than 80 DEG C, the beads begin to soften, the foaming agent distributed in the beads is heated, vaporizes and generates pressure, causing the beads to expand and form interconnected pores.
[0003] At present, in the foaming process of EPS foamed plastic, steam is directly injected into the reaction tank, resulting in insufficient contact between the steam and the beads, and further resulting in uneven and insufficient foaming. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an EPS foamed plastic production equipment to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0006] An EPS foamed plastic production equipment comprises
[0007] A conveying mechanism comprises a foaming tank, the bottom of the foaming tank is fixedly connected with a valve in communication, one side of the top of the foaming tank is fixedly connected with a feeding valve in communication, the end, away from the foaming tank, of the feeding valve is fixedly connected with a hopper, the inside of the foaming tank is provided with a conveying pipe, the outer wall of the conveying pipe is fixedly connected with a plurality of connecting rods in annular array, each group of connecting rods is fixedly connected with the inner wall of the foaming tank, the inside of the conveying pipe is penetrated through with a spiral conveying blade in matching, the top of the foaming tank is fixedly connected with a motor, the output end of the motor is fixedly connected with the spiral conveying blade, and the top of the conveying pipe is fixedly connected with an umbrella-shaped plate.
[0008] The foaming mechanism comprises a fixed plate fixedly connected to one side of the outer wall of the foaming tank, the top of the fixed plate is fixedly connected with a steam generator, the output end of the steam generator is fixedly connected with a communicating flow guide pipe, the flow guide pipe penetrates through the foaming tank, the end of the flow guide pipe away from the steam generator is fixedly connected with a communicating annular pipe, the outer side of the annular pipe is fixedly connected with a plurality of exhaust nozzles in an annular array, and the annular pipe is arranged below the umbrella-shaped plate.
[0009] As a further scheme of the present application, the bottom of the spiral conveying blade is fixedly connected with a plurality of stirring rods in an annular array.
[0010] As a further scheme of the present application, the outer side of the umbrella-shaped plate is fixedly connected with a plurality of fixed rods in an annular array, and the end of each group of fixed rods away from the umbrella-shaped plate is fixedly connected with the inner wall of the foaming tank.
[0011] As a further scheme of the present application, the outer side of the conveying pipe is fixedly connected with a plurality of mounting rods in an annular array, and each group of mounting rods is fixedly connected with the annular pipe.
[0012] As a further scheme of the present application, the bottom of the fixed plate is fixedly connected with a plurality of reinforcing rib plates in a symmetrical manner, and each group of reinforcing rib plates is fixedly connected with the outer wall of the foaming tank.
[0013] As a further scheme of the present application, a plurality of scrapers are arranged above the umbrella-shaped plate in an annular array, the top of each group of scrapers is fixedly connected with a bent rod, and the end of each group of bent rods away from the scraper is fixedly connected with the outer wall of the spiral conveying blade.
[0014] Compared with the prior art, the present application has the following beneficial effects:
[0015] After the above structure is adopted, the motor, the spiral conveying blade, the umbrella-shaped plate and the steam generator are cooperated with each other, so that the spiral conveying blade can be driven to rotate when the motor starts to work, the foamed plastic beads on the lower side in the foaming tank can be conveyed upwards along the conveying pipe when the spiral conveying blade rotates, and finally falls along the umbrella-shaped plate, and the steam generated by the steam generator when starting to work can be discharged into the inner part of the annular pipe through the flow guide pipe, and then discharged from each group of exhaust nozzles, so as to fully contact with the foamed plastic beads falling from the umbrella-shaped plate, so that the foamed plastic beads are fully foamed. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present application will be further described in detail below in combination with the embodiments in the drawings, but does not constitute any limitation to the present application.
[0017] Figure 1It is a partial structure sectional view of an EPS foam plastic production equipment.
[0018] Figure 2 It is a partial structure sectional view of an EPS foam plastic production equipment Figure 1 .
[0019] Figure 3 It is another view of a partial structure sectional view of an EPS foam plastic production equipment.
[0020] Figure 4 It is a partial structure sectional view of an EPS foam plastic production equipment Figure 3 .
[0021] In the figure: 1, conveying mechanism; 101, foaming tank; 102, valve; 103, hopper; 104, feeding valve; 105, conveying pipe; 106, spiral conveying blade; 107, motor; 108, connecting rod; 109, stirring rod; 110, umbrella-shaped plate; 111, fixed rod; 112, bent rod; 113, scraper; 2, foaming mechanism; 201, fixed plate; 202, reinforcing rib plate; 203, steam generator; 204, flow guide pipe; 205, annular pipe; 206, exhaust nozzle; 207, mounting rod. DETAILED DESCRIPTION
[0022] The technical solution of the patent will be further described in detail in combination with the specific embodiments.
[0023] Please refer to Figures 1-4 , an EPS foam plastic production equipment, comprising a conveying mechanism 1, the conveying mechanism 1 comprising a foaming tank 101, the bottom of the foaming tank 101 being fixedly connected with a valve 102 in communication, the valve 102 being arranged to discharge the foam plastic inside the foaming tank 101 after foaming when being opened. The top side of the foaming tank 101 is fixedly connected with a feeding valve 104 in communication, the feeding valve 104 being fixedly connected with a hopper 103 away from the foaming tank 101, the hopper 103 being arranged to accommodate a foaming agent and foam plastic beads to be foamed, so that the foaming agent and the foam plastic beads to be foamed can fall into the inside of the foaming tank 101 when the feeding valve 104 is opened.
[0024] The inside of the foaming tank 101 is provided with a conveying pipe 105, and the outer wall of the conveying pipe 105 is fixedly connected with a plurality of connecting rods 108 in an annular array, each group of connecting rods 108 is fixedly connected with the inner wall of the foaming tank 101, and the connecting rods 108 are arranged to support and fix the conveying pipe 105. A spiral conveying blade 106 is penetrated through the inside of the conveying pipe 105, the top of the foaming tank 101 is fixedly connected with a motor 107, the output end of the motor 107 is fixedly connected with the spiral conveying blade 106, and the motor 107 is arranged to drive the spiral conveying blade 106 to rotate when starting to work, so that the spiral conveying blade 106 can convey the foamed plastic beads on the lower side of the foaming tank 101 upward along the inside of the conveying pipe 105. The bottom of the spiral conveying blade 106 is fixedly connected with a plurality of stirring rods 109 in an annular array, the stirring rods 109 are arranged in a staggered manner with the connecting rods 108, and the stirring rods 109 are arranged to rotate synchronously with the spiral conveying blade 106, so that the stirring rods 109 can stir and mix the plastic beads and the foaming agent in the spiral conveying blade 106 when rotating.
[0025] The top of the conveying pipe 105 is fixedly connected with an umbrella-shaped plate 110, the umbrella-shaped plate 110 is arranged to guide the plastic beads discharged from the top of the conveying pipe 105, so that the foamed plastic beads finally fall from the edge of the umbrella-shaped plate 110. The outer side of the umbrella-shaped plate 110 is fixedly connected with a plurality of fixed rods 111 in an annular array, one end of each group of fixed rods 111 away from the umbrella-shaped plate 110 is fixedly connected with the inner wall of the foaming tank 101, and the fixed rods 111 are arranged to connect and fix the umbrella-shaped plate 110 with the inner wall of the foaming tank 101, thereby improving the stability of the umbrella-shaped plate 110. A plurality of scraper plates 113 are arranged in an annular array above the umbrella-shaped plate 110, the top of each group of scraper plates 113 is fixedly connected with a bent rod 112, one end of each group of bent rods 112 away from the scraper plate 113 is fixedly connected with the outer wall of the spiral conveying blade 106, and the bent rod 112 and the scraper plate 113 are arranged to rotate synchronously with the spiral conveying blade 106, so that the scraper plate 113 can scrape the foamed plastic beads on the umbrella-shaped plate 110 flat when rotating, and the foamed plastic beads can fall uniformly from the edge of the umbrella-shaped plate 110.
[0026] The foaming mechanism 2 comprises a fixed plate 201 fixedly connected to one side of the outer wall of the foaming tank 101, and the bottom of the fixed plate 201 is fixedly connected with a plurality of reinforcing rib plates 202 in a symmetrical manner, each group of reinforcing rib plates 202 is fixedly connected with the outer wall of the foaming tank 101, and the reinforcing rib plates 202 are arranged to connect and fix the fixed plate 201 with the foaming tank 101, thereby improving the connection stability of the fixed plate 201 and the foaming tank 101.
[0027] The output end of the steam generator 203 is fixedly connected with a communicating flow guide pipe 204, the flow guide pipe 204 penetrates the foaming tank 101, the end of the flow guide pipe 204 away from the steam generator 203 is fixedly connected with a communicating annular pipe 205, the flow guide pipe 204 is arranged for guiding the steam generated when the steam generator 203 is started to flow into the annular pipe 205. The outer side of the conveying pipe 105 is fixedly connected with a plurality of mounting rods 207 in annular array, each group of mounting rods 207 is fixedly connected with the annular pipe 205, the mounting rods 207 are arranged for connecting and fixing the annular pipe 205 with the conveying pipe 105, thereby improving the stability of the annular pipe 205. The outer side of the annular pipe 205 is fixedly connected with a plurality of exhaust nozzles 206 in annular array, the annular pipe 205 is arranged below the umbrella-shaped plate 110, each group of exhaust nozzles 206 is arranged for guiding the steam in the annular pipe 205 to flow out, thereby blowing to the foamed plastic beads falling from the umbrella-shaped plate 110, thereby fully contacting with the foamed plastic beads, thereby improving the foaming effect of the foamed plastic beads.
[0028] In the embodiment, the steam generator 203 is a prior art, which is not described herein.
[0029] In use, the foamed beads and the foaming agent are poured into the inside of the hopper 103, then the feeding valve 104 is opened, the foamed beads and the foaming agent in the inside of the hopper 103 are discharged into the inside of the foaming tank 101 through the feeding valve 104, then the motor 107 and the foaming tank 101 are started, the foaming tank 101 can heat the foamed plastic beads in the inside of the foaming tank 101 when started, the motor 107 can drive the spiral conveying blade 106 and each group of stirring rods 109 to rotate when started, the stirring rods 109 can stir the foamed plastic beads in the inside of the foaming tank 101 when rotated, so that the foamed plastic beads are uniformly heated, the spiral conveying blade 106 can convey the foamed plastic beads on the lower side of the foaming tank 101 upwards along the conveying pipe 105 when rotated, then the foamed plastic beads are discharged from the top of the conveying pipe 105, then fall down along the umbrella-shaped plate 110 uniformly, the steam generator 203 can discharge the generated steam into the inside of the annular pipe 205 through the flow guide pipe 204 when started, then the steam is discharged from each group of exhaust nozzles 206, thereby fully contacting with the foamed plastic beads falling from the umbrella-shaped plate 110, so that the foamed plastic beads are fully foamed.
[0030] The above-mentioned embodiments are the preferred embodiments of the present application, which are only used to facilitate the description of the present application, and do not limit the present application in any form, any person with ordinary knowledge in the art can make partial changes or modifications to the equivalent embodiments within the scope of the technical features of the present application, without departing from the technical features of the present application, and the equivalent embodiments still belong to the scope of the technical features of the present application.
Claims
1. An EPS foam plastic production apparatus characterized by, Comprising The conveying mechanism (1) comprises a foaming tank (101), the bottom of the foaming tank (101) is fixedly connected with a valve (102) in communication, one side of the top of the foaming tank (101) is fixedly connected with a feeding valve (104) in communication, the feeding valve (104) is fixedly connected with a hopper (103) away from the foaming tank (101), the inside of the foaming tank (101) is provided with a conveying pipe (105), the outer wall of the conveying pipe (105) is fixedly connected with a plurality of connecting rods (108) in annular array, each group of connecting rods (108) is fixedly connected with the inner wall of the foaming tank (101), the inside of the conveying pipe (105) is penetrated by a spiral conveying blade (106) in matching, the top of the foaming tank (101) is fixedly connected with a motor (107), the output end of the motor (107) is fixedly connected with the spiral conveying blade (106), the top of the conveying pipe (105) is fixedly connected with an umbrella-shaped plate (110); The foaming mechanism (2) comprises a fixed plate (201) fixedly connected to one side of the outer wall of the foaming tank (101), the top of the fixed plate (201) is fixedly connected with a steam generator (203), the output end of the steam generator (203) is fixedly connected with a flow guide pipe (204) in communication, the flow guide pipe (204) penetrates the foaming tank (101), one end of the flow guide pipe (204) away from the steam generator (203) is fixedly connected with an annular pipe (205) in communication, the outer side of the annular pipe (205) is fixedly connected with a plurality of exhaust nozzles (206) in annular array, and the annular pipe (205) is arranged below the umbrella-shaped plate (110).
2. An EPS foam production apparatus according to claim 1, wherein, The bottom of the spiral conveying blade (106) is fixedly connected with a plurality of stirring rods (109) in annular array, and the stirring rods (109) are arranged in a staggered manner with the connecting rods (108).
3. The EPS foam production apparatus according to claim 1, wherein, The outer side of the umbrella-shaped plate (110) is fixedly connected with a plurality of fixed rods (111) in annular array, one end of each group of fixed rods (111) away from the umbrella-shaped plate (110) is fixedly connected with the inner wall of the foaming tank (101).
4. The EPS foam production apparatus according to claim 1, wherein The outer side of the conveying pipe (105) is fixedly connected with a plurality of mounting rods (207) in annular array, and each group of mounting rods (207) is fixedly connected with the annular pipe (205).
5. The EPS foam production apparatus according to claim 1, wherein The bottom of the fixed plate (201) is fixedly connected with a reinforcing rib plate (202) in symmetry, and each group of reinforcing rib plates (202) is fixedly connected with the outer wall of the foaming tank (101).
6. The EPS foam production apparatus according to claim 1, wherein, The top of the umbrella-shaped plate (110) is provided with a plurality of scraper plates (113) in annular array, the top of each group of scraper plates (113) is fixedly connected with a bent rod (112), and one end of each group of bent rods (112) away from the scraper plate (113) is fixedly connected with the outer wall of the spiral conveying blade (106).