Foam board particle foaming unit
By using a stirring equipment driven by a shunt tube and a servo motor in the EPS foam board foaming machine, the granular material is ensured to be uniformly heated, and the problem of long and uneven foaming time in the prior art is solved, and a fast and uniform foaming effect is achieved.
Patent Information
- Application Number
- CN202420895256.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-26
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-04-26
AI Technical Summary
During the foaming process of existing EPS foam board foaming machines, the pellets that are easily stirred to the top after the pellets expand, while the unfoamed pellets will sink, resulting in a long and uneven foaming time, affecting efficiency.
A foam board pellet foaming unit is designed, using a stirring knife set driven by a split pipe and a servo motor and a spiral blade. Through uniform heating and stirring of hot steam, the particles are ensured to be uniformly heated and prevent unfoamed particles from falling.
The rapid and uniform foaming of foam particles is achieved, which shortens the foaming time, improves efficiency, and enhances the reliability of the equipment.
Smart Images

Figure CN222681564U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of foam foaming machines, in particular to a foam board particle foaming machine unit. Background Art
[0002] Foam board, also known as polystyrene foam board and EPS board, is a white object made of expandable polystyrene beads containing volatile liquid foaming agent, which is heated and pre-expanded in a mold and then heated and formed. It has fine closed-cell structural characteristics and is mainly used for building walls, roof insulation, composite board insulation, as well as cold storage, air conditioning, vehicle, ship insulation, floor heating, decoration and carving, etc. The production of EPS foam board requires a foaming machine. The existing EPS foam board foaming machine is to foam by mixing expandable polystyrene particles with steam and heating them. The method is to fill hot steam into a foaming barrel, heat and stir to foam. However, due to the expansion of the foamed particles, the foam will be stirred to the top, and the unfoamed particles will sink to the bottom of the equipment, resulting in a long foaming time and uneven foaming, which affects the efficiency. Therefore, a foam board particle foaming unit is proposed. Utility Model Content
[0003] The utility model aims to solve one of the technical problems existing in the prior art or related technology.
[0004] To this end, the technical solution adopted in this utility model is:
[0005] A foam board particle foaming unit comprises an outer shell, a support seat is welded to the bottom of the outer shell, a feed box is fixedly installed on the top of the outer shell, a distribution bucket is fixedly installed on the bottom end of the feed box, a diversion pipe is fixedly installed on the bottom of the distribution bucket, a steam inlet pipe is welded on the outer side of the outer shell, one end of the steam inlet pipe is fixedly connected to a cross steam distribution pipe, a clamping ring is fixedly installed in the middle of the cross steam distribution pipe, four ends of the cross steam distribution pipe are fixedly connected to steam transmission pipes, a first steam injection port is opened on the upper part of the steam transmission pipe, a second steam injection port is opened on the bottom of the steam transmission pipe, a solenoid valve is fixedly installed on the outer side of the second steam injection port, a servo motor is fixedly installed on the bottom end of the distribution bucket, a stirring knife group is fixedly connected to the transmission end of the servo motor, and a spiral blade is fixedly installed on the bottom end of the stirring knife group.
[0006] Preferably, a material delivery pipe is fixedly connected to the top of the feed box, and a material storage box is placed at the bottom end of the material delivery pipe.
[0007] Preferably, a circular plate is fixedly mounted in the inner cavity of the shell, the top of the circular plate is fixedly connected to the servo motor, a clearance hole is opened on the surface of the circular plate, and the shunt pipe passes through the clearance hole.
[0008] Preferably, the bottom end of the spiral blade is clamped with a collecting shell, and the bottom end of the outer shell is fixedly connected to the collecting shell.
[0009] Preferably, a discharge pipe is sleeved on the bottom of the shell, and the interior of the shell is connected to the discharge pipe.
[0010] Preferably, the middle of the clamping ring is clamped with the stirring knife group, and the outer side of the steam transmission pipe is fixedly connected to the outer shell.
[0011] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:
[0012] In the utility model, after the foam particle material enters the feed box, it will first be divided and guided into the outer shell by the diversion pipe, and evenly contact with the hot steam to prevent a large number of particles from sticking and falling into the bottom of the outer shell. At this time, the hot steam in the steam transmission pipe is ejected from the first steam nozzle to heat most of the particles. The rotation of the stirring knife group drives the spiral blade to rotate, and the unheated particles that fall to the bottom are rolled up. At this time, the solenoid valve is controlled to open the valve, and the second steam nozzle ejects hot steam to heat the unheated particles, so that the equipment can heat the particle material more quickly to turn it into foam, avoiding the problems of long foaming time and low efficiency, and realizing the reliability of the device. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a three-dimensional schematic diagram of an embodiment of the utility model;
[0014] Figure 2 A schematic diagram of a housing of an embodiment of the utility model;
[0015] Figure 3 A schematic diagram of a gas delivery pipe according to an embodiment of the utility model;
[0016] Figure 4 The figure is a schematic diagram of a spiral blade according to an embodiment of the utility model.
[0017] Reference numerals:
[0018] 1. Shell; 2. Support seat; 3. Feed box; 4. Feed pipe; 5. Storage box; 6. Divider hopper; 7. Diverter pipe; 8. Round plate; 9. Steam inlet pipe; 10. Cross steam distributor pipe; 11. Clamping ring; 12. Steam pipe; 13. First steam nozzle; 14. Second steam nozzle; 15. Solenoid valve; 16. Servo motor; 17. Mixing knife group; 18. Spiral blade; 19. Collecting shell; 20. Discharge pipe. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.
[0020] A foam board particle foaming unit provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.
[0021] Example:
[0022] Combination Figure 1-4As shown, the utility model provides a foam board particle foaming unit, including an outer shell 1, a support seat 2 is welded to the bottom of the outer shell 1, a feed box 3 is fixedly installed on the top of the outer shell 1, a quantitative granular material is stored in the feed box 3, so that the equipment can foam the granular material more efficiently, a delivery pipe 4 is fixedly connected to the top of the feed box 3, the delivery pipe 4 is used to extract the granular material and transport the granular material into the feed box 3 in a quantitative manner, a storage box 5 is placed at the bottom of the delivery pipe 4, a large amount of granular material is placed in the storage box 5, waiting to be extracted by the delivery pipe 4 for foaming, a distribution hopper 6 is fixedly installed at the bottom of the distribution hopper 6, and a diversion pipe 7 is fixedly installed at the bottom of the distribution hopper 6, and the delivered granular material will fall into the distribution The steam is then drawn into the hopper 6 and then flows into the outer shell 1 from the diverter pipe 7 to prevent the granules from pouring out in an instant and causing uneven heating, which prolongs the foaming time. A steam inlet pipe 9 is welded on the outer side of the outer shell 1. External hot steam will enter the inner side of the outer shell 1 through the steam inlet pipe 9 to heat the granules. One end of the steam inlet pipe 9 is fixedly connected to a cross steam distribution pipe 10. A large amount of hot steam will be guided into four openings through the cross steam distribution pipe 10 for more efficient heating. A clamping ring 11 is fixedly installed in the middle of the cross steam distribution pipe 10. The four ends of the cross steam distribution pipe 10 are fixedly connected to steam delivery pipes 12. The hot steam is separately guided into four steam delivery pipes 12 through the cross steam distribution pipe 10 to achieve heating of the granules without dead angles. The outer side of the steam delivery pipe 12 is fixed to the outer shell 1 The steam pipe 12 is connected to prevent the shaking of the steam pipe 12 from affecting the operation of the equipment. The upper part of the steam pipe 12 is provided with a first steam nozzle 13, and the bottom of the steam pipe 12 is provided with a second steam nozzle 14. The first steam nozzle 13 and the second steam nozzle 14 have the same structure and are both used to spray high-temperature steam. The first steam nozzle 13 is used for normal heating, that is, it is normally open. The second steam nozzle 14 will be opened when a large amount of granular material falls into the bottom of the shell 1 to heat the granular material to avoid a long foaming time. The outer side of the second steam nozzle 14 is fixedly installed with a solenoid valve 15, and the solenoid valve 15 controls the opening and closing of the second steam nozzle 14. When the solenoid valve 15 closes the second steam nozzle 14, a large amount of hot steam can only be sprayed out through the first steam nozzle 13. When it is opened, the second steam nozzle 14 is opened. When the steam is started, part of the hot steam will be guided to be ejected from the second steam jet port 14 to avoid energy waste. A servo motor 16 is fixedly installed at the bottom end of the branch hopper 6. A circular plate 8 is fixedly installed in the inner cavity of the shell 1. The circular plate 8 can isolate the foam particles being heated to avoid affecting the normal operation of the equipment. The top of the circular plate 8 is fixedly connected to the servo motor 16. A clearance hole is opened on the surface of the circular plate 8. The diverter pipe 7 passes through the clearance hole. The driving end of the servo motor 16 is fixedly connected to a stirring knife group 17. The middle of the clamping ring 11 is clamped with the stirring knife group 17. The bottom end of the stirring knife group 17 is fixedly installed with a spiral blade 18. The bottom end of the spiral blade 18 is clamped with a collecting shell 19. The collecting shell 19 is used to collect unheated particles.The spiral blades 18 then surge up to heat the foam. The bottom end of the shell 1 is fixedly connected to the collecting shell 19. The bottom of the shell 1 is sleeved with a discharge pipe 20. When the granular material is completely heated and expanded, the foam will be extracted from the discharge pipe 20 and enter the next stage. The interior of the shell 1 is connected to the discharge pipe 20.
[0023] The working principle and use process of the utility model are as follows: first, the granular material will be drawn from the storage box 5 into the feed box 3, and at this time, the feed box 3 is controlled to discharge a certain amount of granular material and let it fall into the servo motor 16. At this time, the granular material will flow into the diversion pipe 7 and then be discharged into the outer shell 1. In the same process, the servo motor 16 drives the stirring knife group 17 and the spiral blade 18 to rotate, and the hot steam is synchronously connected to the steam inlet pipe 9, and then introduced into the steam transmission pipe 12 through the cross steam distribution pipe 10. At the same time, the hot steam will be sprayed out through the first steam nozzle 13 to heat the granular material falling into the outer shell 1. At this time, the unheated granular material falls into the collecting shell 19 and will be surged up by the spiral blade 18, and the solenoid valve 15 will be opened. At this time, the hot steam will surge out from the second steam nozzle 14 to heat the granular material that has not been heated at the bottom until the granular material is completely expanded.
[0024] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.
Claims
1. A foam board particle foaming unit, comprising a housing (1), characterized in that: A support seat (2) is welded to the bottom of the shell (1), a feed box (3) is fixedly installed on the top of the shell (1), a diversion bucket (6) is fixedly installed on the bottom end of the feed box (3), a diversion pipe (7) is fixedly installed on the bottom of the diversion bucket (6), a steam inlet pipe (9) is welded to the outside of the shell (1), one end of the steam inlet pipe (9) is fixedly connected to a cross steam diversion pipe (10), a clamping ring (11) is fixedly installed in the middle of the cross steam diversion pipe (10), and the cross steam diversion pipe (10) is fixedly connected to the bottom of the cross steam diversion pipe (10). The four ends are fixedly connected to a steam delivery pipe (12), the upper part of the steam delivery pipe (12) is provided with a first steam injection port (13), the bottom of the steam delivery pipe (12) is provided with a second steam injection port (14), an electromagnetic valve (15) is fixedly installed on the outer side of the second steam injection port (14), a servo motor (16) is fixedly installed at the bottom end of the distribution bucket (6), a stirring knife group (17) is fixedly connected to the transmission end of the servo motor (16), and a spiral blade (18) is fixedly installed at the bottom end of the stirring knife group (17).
2. A foam board particle foaming unit according to claim 1, characterized in that: The top of the feed box (3) is fixedly connected with a feed pipe (4), and the bottom end of the feed pipe (4) is provided with a storage box (5).
3. A foam board particle foaming unit according to claim 1, characterized in that: A circular plate (8) is fixedly mounted in the inner cavity of the housing (1), the top of the circular plate (8) is fixedly connected to the servo motor (16), a clearance hole is opened on the surface of the circular plate (8), and the shunt pipe (7) passes through the clearance hole.
4. The foam board particle foaming unit according to claim 1, characterized in that: The bottom end of the spiral blade (18) is clamped with a collecting shell (19), and the bottom end of the outer shell (1) is fixedly connected to the collecting shell (19).
5. The foam board particle foaming unit according to claim 1, characterized in that: A discharge pipe (20) is sleeved on the bottom of the outer shell (1), and the interior of the outer shell (1) is in communication with the discharge pipe (20).
6. The foam board particle foaming unit according to claim 1, characterized in that: The middle of the clamping ring (11) is clamped with the stirring blade group (17), and the outer side of the steam transmission pipe (12) is fixedly connected to the outer shell (1).