EPS bead preparation reaction kettle for EPS foam plastic production
By using a combination of a drive motor, fan blades, and ratchet in the EPS bead preparation reactor to create a downward airflow, the problem of bead residue caused by static electricity was solved, and the complete discharge of EPS beads from the reactor was achieved.
Patent Information
- Application Number
- CN202520251150.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2035-02-17
AI Technical Summary
The existing EPS bead preparation reactor has a problem where static electricity causes some beads to not be completely discharged from the reactor during the discharge process, making it difficult to empty the reactor.
An EPS bead preparation reactor for EPS foam production was designed. It uses a combination of a drive motor, fan blades, ratchet, and pawl. By rotating the stirring rod and ratchet in the opposite direction, a downward airflow is formed to blow out the EPS beads remaining in the reactor and collect them through a collection cylinder.
It effectively reduces the probability of EPS beads being difficult to completely discharge from the reactor, and improves the integrity and efficiency of material discharge.
Smart Images

Figure CN223628639U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of EPS bead preparation, specifically is EPS bubble foamed plastic production is used EPS bead preparation reation kettle. BACKGROUND
[0002] Expandable polystyrene has excellent durable heat insulation, unique cushioning and shock resistance, aging resistance and waterproof, and is widely used in many fields. Several famous companies in the world have used different process technologies to vigorously develop application research in their respective fields and continuously develop new products. EPS beads need to be prepared by using a reaction kettle for foaming reaction.
[0003] The current EPS bead preparation reaction kettle needs to open the valve at the bottom of the kettle to discharge after preparing the EPS beads. During the discharge process, static electricity is generated during the stirring process, which causes some EPS beads to be unable to discharge from the inside of the kettle body, making it difficult to discharge the EPS beads completely. UTILITY MODEL CONTENT
[0004] The utility model aims at providing an EPS bubble foamed plastic production is used EPS bead preparation reation kettle to solve the problem in the above background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme:
[0006] An EPS bubble foamed plastic production is used EPS bead preparation reation kettle, including
[0007] The preparation mechanism includes a kettle body, a kettle cover is detachably connected to the top of the kettle body, a feed pipe is fixedly connected to the top side of the kettle cover in communication, a screw cap is threadedly connected to the top of the feed pipe, a drive motor is fixedly connected to the top of the kettle cover, a stirring rod is fixedly connected to the output end of the drive motor, a plurality of stirring rods are fixedly connected to the outer side of the stirring rod in an annular array,
[0008] The discharge mechanism includes a discharge valve fixedly connected to the bottom of the kettle body, a rotating plate is symmetrically rotatably connected to the outer side of the stirring rod, a rotating ring is fixedly connected between the two groups of rotating plates, a plurality of fan leaves are fixedly connected to the outer side of the rotating ring in an annular array, a ratchet wheel is fixedly connected to the inner wall of the rotating ring, a limiting block is fixedly connected to the outer side of the stirring rod, a rotating shaft is rotatably connected in the limiting block, a pawl matched with the ratchet wheel is fixedly connected to the outer side of the rotating shaft, and a torsional spring is fixedly connected between the pawl and the limiting block.
[0009] As a further scheme of the utility model: the opposite side of the kettle body and the kettle cover is fixedly connected with connecting flange, a plurality of fixed bolts are screw connected between the two groups of connecting flanges in annular array.
[0010] As a further scheme of the utility model: one side of the discharge valve is fixedly connected with connecting plate, a rotating shaft is rotatably connected in the connecting plate, the outer side of the rotating shaft is fixedly connected with mounting plate in symmetry, the side of the two groups of mounting plates is fixedly connected with the collecting cylinder corresponding to the discharge valve, a plurality of filter holes are uniformly formed in the outer side of the collecting cylinder.
[0011] As a further scheme of the utility model: the bottom side of the kettle body is fixedly connected with support frame, the bottom of the support frame is fixedly connected with stepping motor, and the output end of the stepping motor is fixedly connected with the rotating shaft.
[0012] As a further scheme of the utility model: the top of the collecting cylinder is fixedly connected with sealing ring, and the sealing ring abuts against the bottom of the discharge valve.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] After the above structure is adopted, the inside of the kettle body can be discharged when the discharge valve is opened, then the driving motor can be started, the driving motor drives the stirring rod, torsional spring and pawl to rotate reversely, when the pawl rotates and engages with the ratchet wheel, the ratchet wheel can be driven to rotate, the rotating ring and the groups of fan blades can be driven to rotate when the ratchet wheel rotates, the fan blades can form downward air flow in the inside of the kettle body when rotating, so that the remaining EPS beads in the kettle body can be blown out of the inside of the kettle body, thereby reducing the probability that the EPS beads after foaming in the inside of the kettle body are difficult to discharge completely. BRIEF DESCRIPTION OF DRAWINGS
[0015] The utility model will be further explained in detail in connection with the embodiments in the drawings, but does not constitute any limitation to the utility model.
[0016] Figure 1 It is a kind of EPS foamed plastic production EPS bead preparation reaction kettle structure schematic view.
[0017] Figure 2 It is a kind of EPS foamed plastic production EPS bead preparation reaction kettle Figure 1 A part structure schematic view.
[0018] Figure 3 It is a kind of EPS foamed plastic production EPS bead preparation reaction kettle partial structure sectional view.
[0019] Figure 4 The utility model provides an EPS bubble plastics production EPS bead preparation reation kettle Figure 3 The B part structure schematic diagram.
[0020] In the figure: 1, preparation mechanism;101, kettle body;102, kettle cover;103, fixed bolt;104, connecting flange;105, stirring paddle;106, feed pipe;107, screw cap;108, drive motor;109, stirring rod;2, discharge mechanism;201, rotating plate;202, rotating ring;203, fan blade;204, ratchet;205, limit block;206, rotating shaft;207, pawl;208, torsional spring;209, discharge valve;210, connecting plate;211, mounting plate;212, collecting cylinder;213, filter hole;214, sealing ring;215, rotating shaft;216, stepping motor;217, support frame. DETAILED DESCRIPTION
[0021] The technical scheme of the patent will be further described in detail in connection with specific embodiments.
[0022] Please refer to Figures 1-4 An EPS bubble plastics production EPS bead preparation reation kettle, including preparation mechanism 1, preparation mechanism 1 including kettle body 101, the top of kettle body 101 is detachably connected with kettle cover 102, the setting of kettle cover 102 is used for covering the top of kettle body 101.Cauldron body 101 and the opposite side of kettle cover 102 are fixedly connected with connecting flange 104, and a plurality of fixed bolts 103 are screw connected in annular array between two connecting flanges 104, the setting of fixed bolt 103 is used for connecting and fixing two connecting flanges 104, so as to realize the fixation of kettle cover 102, also convenient for subsequent disassembly of kettle cover 102, in turn, convenient for the maintenance of the components arranged in the inside of kettle body 101.
[0023] The top of kettle cover 102 is fixedly connected with the communicating feed pipe 106, the setting of feed pipe 106 is convenient for adding raw materials to the inside of kettle body 101.The top of feed pipe 106 is screw connected with the screw cap 107 matched, the setting of screw cap 107 can cover feed pipe 106.The top of kettle cover 102 is fixedly connected with drive motor 108, the output end of drive motor 108 is fixedly connected with stirring rod 109, so that drive motor 108 can drive stirring rod 109 to rotate when starting to work.The outside of stirring rod 109 is fixedly connected with a plurality of 110 in annular array, the rotation of stirring rod 109 can drive each group 110 to rotate, so as to stir the EPS bead in the inside of kettle body 101. The bottom of kettle body 101 is fixedly connected with discharge valve 209, the setting of discharge valve 209 is used for discharging most of the EPS bead prepared in the inside of kettle body 101 when being opened.
[0024] The outer side of the stirring rod 109 is symmetrically connected with a rotating plate 201, two groups of rotating plates 201 are fixedly connected with a rotating ring 202, the outer side of the rotating ring 202 is fixedly connected with a plurality of fan leaves 203 in an annular array, the rotating ring 202 is arranged to drive each group of fan leaves 203 to rotate when rotating, so as to form an airflow from top to bottom, and blow and discharge the residual EPS beads in the kettle body 101. One side of the discharge valve 209 is fixedly connected with a connecting plate 210, the inner side of the connecting plate 210 is rotatably connected with a rotating shaft 215, the outer side of the rotating shaft 215 is symmetrically fixedly connected with a mounting plate 211, the connecting plate 210 and the mounting plate 211 are connected through the rotating shaft 215, so that the mounting plate 211 can rotate around the rotating shaft 215 as the shaft.
[0025] The bottom of the kettle body 101 is fixedly connected with a support frame 217, the bottom of the support frame 217 is fixedly connected with a stepping motor 216, the output end of the stepping motor 216 is fixedly connected with the rotating shaft 215, and the stepping motor 216 is arranged to drive the rotating shaft 215 to rotate when starting to work. One side of each of the two groups of mounting plates 211 is fixedly connected with a collecting cylinder 212 corresponding to the discharge valve 209, a plurality of filter holes 213 are uniformly formed in the outer side of the collecting cylinder 212, and the collecting cylinder 212 can catch the EPS beads blown by the airflow after being rotated to be in abutment with the discharge valve 209, so as to reduce the probability of scattering of the EPS beads. The top of the collecting cylinder 212 is fixedly connected with a sealing ring 214, the sealing ring 214 is in abutment with the bottom of the discharge valve 209, and the sealing ring 214 is arranged to seal the gap between the collecting cylinder 212 and the discharge valve 209, so as to reduce the discharge of part of the EPS beads from the gap between the discharge valve 209 and the collecting cylinder 212.
[0026] The inner wall of the rotating ring 202 is fixedly connected with a ratchet wheel 204, the outer side of the stirring rod 109 is fixedly connected with a limiting block 205, the inner side of the limiting block 205 is rotatably connected with a rotating shaft 206, the outer side of the rotating shaft 206 is fixedly connected with a pawl 207 matched with the ratchet wheel 204, and the pawl 207 is arranged to drive the ratchet wheel 204 and the rotating ring 202 to rotate when the stirring rod 109 rotates after being rotated to be engaged with the ratchet wheel 204. The pawl 207 and the limiting block 205 are fixedly connected with a torsion spring 208, and the torsion spring 208 is arranged to drive the pawl 207 to rotate by using the elastic action of the torsion spring 208, so that the pawl 207 is always in contact with the ratchet wheel 204, thereby facilitating the engagement of the pawl 207 and the ratchet wheel 204.
[0027] In use, the threaded cap 107 is unscrewed, the unfoamed EPS beads and the foaming agent are poured into the inner part of the kettle body 101, and then the threaded cap 107 is screwed again, and then the unfoamed EPS beads can be foamed in the inner part of the kettle body 101, and during the foaming process, the driving motor 108 can be started to drive the stirring rods 109 and 110 to rotate, so that the foaming EPS beads in the kettle body 101 are stirred, so that the EPS beads are foamed more uniformly, and after the foaming is completed, the container is placed at the bottom of the discharge valve 209, and then the stepping motor 216 is started, so that the stepping motor 216 can drive the rotating shaft 215, the mounting plate 211 and the collecting cylinder 212 to rotate when starting to work, until the collecting cylinder 212 is rotated to be horizontal, and then the discharge valve 209 is opened, so that the foamed EPS beads in the kettle body 101 can be discharged, and then the stepping motor 216 is started again, so that the stepping motor 216 drives the rotating shaft 215 and the collecting cylinder 212 to rotate reversely, until the collecting cylinder 212 is rotated to be in abutment with the discharge valve 209, then the threaded cap 107 is unscrewed, and the driving motor 108 is started again, so that the driving motor 108 drives the stirring rod 109 to rotate reversely, and when the stirring rod 109 rotates reversely, the limiting block 205 and the pawl 207 can rotate reversely, so that the pawl 207 rotates to be engaged with the ratchet wheel 204, so as to drive the ratchet wheel 204, the rotating ring 202 and the groups of fan blades 203 to rotate synchronously, and when the fan blades 203 rotate, the downward air flow can be formed in the inner part of the kettle body 101, so that the EPS beads not completely discharged in the inner part of the kettle body 101 are blown out of the inner part of the kettle body 101 and fall into the inner part of the collecting cylinder 212 to be filtered and collected, and after the EPS beads in the inner part of the kettle body 101 are completely discharged, the stepping motor 216 is started again to drive the collecting cylinder 212 to rotate, so that the EPS beads filtered and collected in the inner part of the collecting cylinder 212 are poured out.
[0028] 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 skilled 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 changes or modifications still belong to the scope of the technical features of the present application.
Claims
1. An EPS bead preparation reactor for EPS foam plastic production, characterized in that, Comprising The preparation mechanism (1), the preparation mechanism (1) includes kettle body (101), the top of kettle body (101) is detachably connected with kettle cover (102), one side of the top of kettle cover (102) is fixedly connected with the inlet pipe (106) connected in communication, the top of inlet pipe (106) is threadedly connected with the matching threaded cover (107), the top of kettle cover (102) is fixedly connected with drive motor (108), the output end of drive motor (108) is fixedly connected with stirring rod (109), the outer side of stirring rod (109) is fixedly connected with a plurality of (110) in annular array; The discharge mechanism (2) includes a discharge valve (209) fixedly connected to the bottom of the kettle body (101), the outer side of the stirring rod (109) is rotatably connected with a rotating plate (201), two groups of rotating plates (201) are fixedly connected with a rotating ring (202) between them, a plurality of fan leaves (203) are fixedly connected in annular array on the outer side of the rotating ring (202), a ratchet wheel (204) is fixedly connected to the inner wall of the rotating ring (202), a limiting block (205) is fixedly connected to the outer side of the stirring rod (109), a rotating shaft (206) is rotatably connected in the limiting block (205), a pawl (207) matched with the ratchet wheel (204) is fixedly connected to the outer side of the rotating shaft (206), and a torsional spring (208) is fixedly connected between the pawl (207) and the limiting block (205).
2. The EPS bead preparation reactor for EPS foam production according to claim 1, characterized in that, The opposite sides of the kettle body (101) and the kettle cover (102) are fixedly connected with connecting flanges (104), and a plurality of fixing bolts (103) are threadedly connected in annular array between two groups of connecting flanges (104).
3. The EPS bead preparation reactor for EPS foam production according to claim 1, characterized in that, One side of the discharge valve (209) is fixedly connected with a connecting plate (210), a rotating shaft (215) is rotatably connected in the connecting plate (210), mounting plates (211) are fixedly connected in symmetry on the outer side of the rotating shaft (215), collecting cylinders (212) corresponding to the discharge valve (209) are fixedly connected on one side of two groups of mounting plates (211), and a plurality of filter holes (213) are uniformly formed in the outer side of the collecting cylinder (212).
4. The EPS bead preparation reactor for EPS foam production according to claim 3, characterized in that, One side of the bottom of the kettle body (101) is fixedly connected with a support frame (217), and a stepping motor (216) is fixedly connected to the bottom of the support frame (217). The output end of the stepping motor (216) is fixedly connected with the rotating shaft (215).
5. The EPS bead preparation reactor for EPS foam production according to claim 4, characterized in that, The top of the collecting cylinder (212) is fixedly connected with a sealing ring (214), and the sealing ring (214) abuts against the bottom of the discharge valve (209).