Secondary foaming forming device for pre-expanded polystyrene beads

By introducing a uniform steam blowing component and a water scraping component into the secondary foaming molding device for pre-foamed polystyrene beads, the problems of uneven water vapor distribution and condensation were solved, and uniform foaming and efficient molding of polystyrene beads were achieved.

CN223558894UActive Publication Date: 2025-11-18QUANZHOU QINFENG MASCH CREATION CO LTD
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Patent Information

Application Number
CN202422971125.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-11-18
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

In existing secondary foaming molding devices for pre-expanded polystyrene beads, the fixed steam inlet leads to uneven foaming, and the temperature difference of the baffles causes water droplets to condense, affecting the melting effect.

Method used

The system employs a uniform steam blowing assembly and a water scraping assembly. The uniform distribution of water vapor is achieved through a support mounting frame and a steam blowing box, while the water droplets on the baffle surface are removed by a scraper to ensure a good melting effect.

Benefits of technology

It achieves uniform foaming and efficient molding of polystyrene beads, avoiding the impact of water vapor condensation on product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of chemical equipment, in particular to a secondary foaming forming device for pre-expanded polystyrene beads, which comprises a secondary foaming forming device box, and a top sealing cover is arranged at the top of the secondary foaming forming device box through a hasp. Baffles with gap holes are symmetrically installed in the secondary foaming forming device box in a sliding mode, a heat conduction cavity is formed in the secondary foaming forming device box, heat conduction pipes are symmetrically arranged on the surface of one end of the steam inlet pipe in a communicating and extending mode, and a uniform steam blowing assembly is arranged in the secondary foaming forming device box. Water scraping assemblies are symmetrically arranged on the inner top wall of the top sealing cover, uniform steam blowing can be conducted on a secondary foaming product between the baffles through the uniform steam blowing assembly, then the forming efficiency of the device is high, meanwhile, through the arranged water scraping assemblies, workers can conveniently conduct scraping work on the surfaces of the baffles with gap holes through scraping plates, and the practicability of the device is improved. The water vapor is prevented from contacting with the baffle and condensing into water drops to influence the forming of a product.
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Description

TECHNICAL FIELD

[0001] The utility model relates to chemical equipment technical field especially is related to a secondary foaming forming device of pre -foamed polystyrene bead. BACKGROUND

[0002] The secondary foaming forming device of pre -foamed polystyrene bead is the equipment specially used for the secondary foaming of the polystyrene bead after pre -foaming and shaping.

[0003] The secondary foaming forming device of pre -foamed polystyrene bead (CN205364354U) of the prior art includes the secondary foaming forming device body, the inside parallel arrangement of secondary foaming forming device body 2 baffle, the space between 2 baffle and the relative position fixed between 2 baffle, and the slit is uniformly staggered on the baffle;Secondary foaming forming device body still is provided with water vapor inlet and water vapor outlet, and water vapor outlet is provided with flow regulating valve, and water vapor inlet and water vapor outlet are respectively arranged with baffle, and the utility model is provided with slit on baffle, and water vapor will not directly impact pre -foamed polystyrene bead and cause uneven foaming;The volume of pre -foamed polystyrene bead increases after the secondary foaming under the temperature of water vapor, and the bead surface melts, and is shaped by the extrusion of 2 baffle, and the adhesion of 2 baffle, and the baffle can slide along the sliding guide rail, and the secondary foaming forming product is taken out from the secondary foaming forming device.

[0004] Although the above existing device can foaming and shaping polystyrene bead, when using the above existing device, the steam inlet is fixed, and the steam inlet may not be uniform when the steam inlet enters the box, and when the temperature of the surface of the secondary foaming forming device and the baffle in the above existing device is greatly different from the temperature of the water vapor, the surface of the slit of the baffle may condense water droplets, which may affect the melting effect of the polystyrene bead between the baffles by the water vapor.

[0005] Therefore, the utility model is provided. UTILITY MODEL CONTENT

[0006] In order to overcome the technical defects in the prior art, the utility model provides a secondary foaming forming device of pre -foamed polystyrene bead, which can improve the melting effect of polystyrene bead.

[0007] The utility model discloses a technical scheme who adopts is: a kind of secondary foaming forming device of prefoamed polystyrene bead, including secondary foaming forming device box, the top of secondary foaming forming device box is provided with top cover by hasp, the inside symmetry sliding installation of secondary foaming forming device box is provided with baffle with slit hole, one end of secondary foaming forming device box is provided with steam inlet pipe, the other end of secondary foaming forming device box is provided with steam outlet pipe, the inside of secondary foaming forming device box is provided with hot cavity, the surface of one end of steam inlet pipe is provided with hot pipe with symmetry intercommunication extension, the inside of secondary foaming forming device box is provided with uniform steam blowing assembly, the uniform steam blowing assembly includes support mounting bracket, the side of support mounting bracket is provided with steam blowing box, the inner top wall of top cover is provided with water scraping assembly with symmetry, the water scraping assembly includes elastic rope and scraper, the elastic rope and the scraper are fixedly connected between each other.

[0008] Preferably, in order to make the water vapor in the steam inlet pipe enter the steam blowing box through the flexible hose, the hot pipe is arranged inside the hot cavity, one end of the steam inlet pipe is provided with a flexible hose, one end of the flexible hose is in communication with the inside of the steam blowing box in the uniform steam blowing assembly, and steam holes are uniformly arranged on one side surface of the steam blowing box.

[0009] Preferably, in order to make the drive gear move through the engagement of the drive gear and the drive teeth, the support mounting bracket in the uniform steam blowing assembly and the inner bottom wall of the secondary foaming forming device box are fixedly connected to each other, a drive gear is arranged inside the upper end of the support mounting bracket, drive teeth are fixedly installed inside the upper end of the support mounting bracket, the drive gear and the drive teeth are in meshing transmission with each other, and a control module is fixedly installed on the surface of the upper end of the support mounting bracket.

[0010] Preferably, in order to provide driving force to the drive gear through the hub motor and limit the hub motor through the limiting clamping between the sliding T-shaped block and the sliding T-shaped groove, a hub motor is inlaidly installed in the drive gear, one end of the hub motor is fixedly connected to the steam blowing box through the symmetrically arranged connecting rods, the other end of the hub motor is fixedly installed with a sliding T-shaped block, a sliding T-shaped groove is arranged in the inner wall of one side of the upper end of the support mounting bracket, and the sliding T-shaped block and the sliding T-shaped groove are in sliding clamping with each other.

[0011] Preferably, in order to limit the baffle, T-shaped plates are symmetrically arranged at both ends of the inner bottom wall of the secondary foaming forming device box, T-shaped clamping grooves are symmetrically arranged on the lower end surface of the baffle, and the T-shaped plates and the T-shaped clamping grooves are in sliding clamping with each other.

[0012] Preferably, in order to be positioned by the mutual clamping of the clamping taper rod and the clamping groove, a spring groove is formed in one end surface of the T-shaped plate in the secondary foaming forming device box, a clamping spring is fixedly installed in the spring groove, one end of the clamping spring is fixedly installed with a clamping taper rod, and a clamping groove is formed in one end surface of the T-shaped clamping groove in the lower surface of the baffle, and the clamping taper rod and the clamping groove are mutually slidably clamped.

[0013] Preferably, in order to place the scraper, when the scraper is located in the placement groove, the elastic rope is in a stretched state, the placement groove is symmetrically formed in one side surface of the top cover, the scraper is arranged in the placement groove, the elastic rope is fixedly installed at both ends of the placement groove respectively, and the upper surface of the scraper is provided with a butt joint groove, and the upper surface of the top cover is symmetrically and tightly inserted with a butt joint plug.

[0014] Preferably, in order to make the water in the hot cavity flow out from the water guide plug insertion position, the outer surface of the steam outlet pipe is provided with a solenoid valve, and the bottom end of the secondary foaming forming device box is tightly inserted with a water guide plug at one corner position.

[0015] The device has the advantages that: the device can uniformly blow steam to the secondary foaming products between the baffles, thereby improving the forming efficiency of the device, and the water vapor is prevented from being condensed into water droplets by the water scraping assembly, thereby affecting the forming of the products. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the device.

[0017] Figure 2 It is a position schematic view of the hot cavity of the device.

[0018] Figure 3 It is a position schematic view of the control module of the device.

[0019] Figure 4 It is a structure schematic view of the water scraping assembly of the device.

[0020] Figure 5 It is a position schematic view of the clamping spring of the device.

[0021] Figure 6 It is a position schematic view of the clamping groove of the device.

[0022] Figure 7 It is Figure 2 It is a structure enlarged view of the middle A.

[0023] Figure 8 This is a schematic diagram showing the position of the sliding T-block.

[0024] Explanation of reference numerals in the attached drawings: 1. Secondary foaming molding device box; 2. Buckle; 3. Top cover; 4. Baffle; 5. Steam inlet pipe; 6. Steam outlet pipe; 7. Heating cavity; 8. Heating pipe; 9. Uniform steam blowing assembly; 901. Support mounting bracket; 902. Steam blowing box; 903. Steam outlet hole; 904. Drive gear; 905. Drive teeth; 906. Control module; 907. Hub motor; 908. Sliding T-block; 10. Squeegee assembly; 1001. Elastic rope; 1002. Squeegee; 11. Telescopic hose; 12. T-plate; 13. Snap-fit ​​spring; 14. Snap-fit ​​tapered rod; 15. Snap-fit ​​groove; 16. Docking groove; 17. Docking plug; 18. Solenoid valve; 19. Water inlet plug. Detailed Implementation

[0025] The following is in conjunction with the appendix Figures 1-8 Further description of this utility model: A secondary foaming molding device for pre-expanded polystyrene beads includes a secondary foaming molding device box 1. The top of the secondary foaming molding device box 1 is provided with a top cover 3 via a snap fastener 2. A baffle 4 with slit holes is symmetrically slidably installed inside the secondary foaming molding device box 1. A steam inlet pipe 5 is connected to one end of the secondary foaming molding device box 1, and a steam outlet pipe 6 is connected to the other end of the secondary foaming molding device box 1. A heat-conducting cavity 7 is opened inside the secondary foaming molding device box 1. A heat-conducting pipe 8 is symmetrically extended from one end of the steam inlet pipe 5. A uniform steam blowing assembly 9 is provided inside the secondary foaming molding device box 1. The uniform steam blowing assembly 9 includes a support mounting frame 901. A steam blowing box 902 is provided on one side of the support mounting frame 901. A squeegee assembly 10 is symmetrically arranged on the inner top wall of the top cover 3. The squeegee assembly 10 includes an elastic rope 1001 and a scraper 1002. The elastic rope 1001 and the scraper 1002 are fixedly connected to each other.

[0026] like Figure 7 and Figure 8As shown, the heat pipe 8 is arranged inside the heat cavity 7, one end of the steam inlet pipe 5 is communicated with the flexible hose 11, one end of the flexible hose 11 is communicated with the inside of the steam blowing box 902 in the uniform steam blowing assembly 9, the steam blowing box 902 is uniformly provided with steam holes 903 on one side surface, the support mounting frame 901 in the uniform steam blowing assembly 9 is fixedly connected with the inner bottom wall of the secondary foaming forming device box 1, the driving gear 904 is arranged inside the upper end of the support mounting frame 901, the driving gear teeth 905 are uniformly fixedly installed on the upper end of the support mounting frame 901, the driving gear 904 and the driving gear teeth 905 are in meshing transmission with each other, the control module 906 is fixedly installed on the upper end surface of the support mounting frame 901, the wheel hub motor 907 is inlaidly installed in the driving gear 904, one end of the wheel hub motor 907 is fixedly connected with the steam blowing box 902 through the symmetrically arranged connecting rods, the other end of the wheel hub motor 907 is fixedly installed with the sliding T-shaped block 908, the sliding T-shaped groove is arranged on the inner wall of one side of the upper end of the support mounting frame 901, the sliding T-shaped block 908 and the sliding T-shaped groove are in sliding clamping with each other, so that when the staff introduces the gas into the inside of the secondary foaming forming device box 1 through the steam inlet pipe 5, the staff needs to first open the snap fastener 2 between the sealing cover 3 and the secondary foaming forming device box 1, then places the product to be foamed and formed between the baffles 4, then covers the sealing cover 3, then the staff introduces the hot gas through the steam inlet pipe 5, at this time the hot gas flows in two parts, one part enters the heat cavity 7, and the other part enters the steam blowing box 902, at this time the staff opens the wheel hub motor 907 through the control module 906, and then drives the driving gear 904 and the driving gear teeth 905 to mesh through the wheel hub motor 907, so that the steam blowing box 902 can blow the steam to the baffles 4 in circulation, and the heat cavity 7 can increase the temperature of the inner wall of the device, thereby reducing the condensation of water vapor.

[0027] As Figure 4 and Figure 5As shown, the inner bottom wall of the secondary foaming forming device box 1 is symmetrically provided with a T-shaped plate 12 at both ends, the lower end surface of the baffle 4 is symmetrically provided with a T-shaped clamping groove, the T-shaped plate 12 and the T-shaped clamping groove are slidably clamped with each other, one end surface of the T-shaped plate 12 in the secondary foaming forming device box 1 is provided with a spring groove, a clamping spring 13 is fixedly installed in the spring groove, one end of the clamping spring 13 is fixedly installed with a clamping conical rod 14, the T-shaped clamping groove in the lower surface of the baffle 4 is provided with a clamping groove 15 at one end surface, the clamping conical rod 14 and the clamping groove 15 are slidably clamped with each other, the side surface of the sealing top cover 3 is symmetrically provided with a placing groove, the scraper 1002 is arranged in the placing groove, the elastic rope 1001 is fixedly installed at both ends of the placing groove, the upper surface of the scraper 1002 is provided with a butt joint groove 16, the upper surface of the sealing top cover 3 is symmetrically and tightly inserted with a butt joint plug 17, the outer surface of the steam outlet pipe 6 is provided with a solenoid valve 18, the bottom end of the secondary foaming forming device box 1 is tightly inserted with a water guide plug 19 at one corner position, when the staff introduces water vapor, the staff pulls out the butt joint plug 17 on the sealing top cover 3, and inserts one end of the tool into the butt joint groove 16 on the scraper 1002 by means of a suitable tool, at this time, the scraper 1002 is pressed downward, so that the baffle 4 can be scraped by the scraper 1002, thereby avoiding that the water vapor blocks the gap hole of the baffle 4, thereby reducing the melting of the foaming product, after the product is formed between the baffles 4, at this time, the staff opens the sealing top cover 3, and then pulls the baffle 4 to move towards each other, so that the product can be taken out of the device.

[0028] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A secondary foaming molding device for pre-expanded polystyrene beads, comprising a secondary foaming molding device box (1), wherein a top cover (3) is provided on the top of the secondary foaming molding device box (1) via a snap fastener (2), and baffles (4) with slit holes are symmetrically slidably installed inside the secondary foaming molding device box (1), one end of the secondary foaming molding device box (1) is connected to a steam inlet pipe (5), and the other end of the secondary foaming molding device box (1) is connected to a steam outlet pipe (6), characterized in that: The secondary foaming molding device box (1) has a heat-conducting cavity (7) inside. A heat-conducting pipe (8) is symmetrically extended and connected to one end of the steam inlet pipe (5). A uniform steam blowing assembly (9) is provided inside the secondary foaming molding device box (1). The uniform steam blowing assembly (9) includes a support mounting frame (901). A steam blowing box (902) is provided on one side of the support mounting frame (901). A water scraper assembly (10) is symmetrically provided on the inner top wall of the top cover (3). The water scraper assembly (10) includes an elastic rope (1001) and a scraper (1002). The elastic rope (1001) and the scraper (1002) are fixedly connected to each other.

2. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 1, characterized in that: The heat pipe (8) is disposed inside the heat-conducting cavity (7). One end of the steam inlet pipe (5) is connected to a telescopic hose (11). One end of the telescopic hose (11) is connected to the inside of the steam blowing box (902) in the uniform steam blowing assembly (9). Steam outlet holes (903) are uniformly opened on one side surface of the steam blowing box (902).

3. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 2, characterized in that: The support mounting bracket (901) inside the uniform blowing assembly (9) is fixedly connected to the inner bottom wall of the secondary foaming molding device box (1). A drive gear (904) is provided inside the upper end of the support mounting bracket (901). Drive teeth (905) are uniformly fixedly installed inside the upper end of the support mounting bracket (901). The drive gear (904) and the drive teeth (905) mesh and drive each other. A control module (906) is fixedly installed on the upper surface of the support mounting bracket (901).

4. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 3, characterized in that: A hub motor (907) is embedded in the drive gear (904). One end of the hub motor (907) is fixedly connected to the air blowing box (902) through symmetrically arranged connecting rods. A sliding T-shaped block (908) is fixedly installed at the other end of the hub motor (907). A sliding T-shaped groove is opened on the inner wall of one side of the upper end of the support mounting bracket (901). The sliding T-shaped block (908) and the sliding T-shaped groove are slidably engaged with each other.

5. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 1, characterized in that: The inner bottom wall of the secondary foaming molding device box (1) is symmetrically provided with T-shaped plates (12) at both ends, and the lower surface of the baffle (4) is symmetrically provided with T-shaped slots. The T-shaped plates (12) and the T-shaped slots slide and engage with each other.

6. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 5, characterized in that: A spring groove is provided on one end surface of the T-shaped plate (12) inside the secondary foaming molding device box (1). A snap-fit ​​spring (13) is fixedly installed in the spring groove. A snap-fit ​​tapered rod (14) is fixedly installed on one end of the snap-fit ​​spring (13). A snap-fit ​​groove (15) is provided on one end surface of the T-shaped slot inside the lower surface of the baffle (4). The snap-fit ​​tapered rod (14) and the snap-fit ​​groove (15) slide and snap-fit ​​against each other.

7. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 1, characterized in that: The top cover (3) has symmetrical placement grooves on one side surface. The scraper (1002) is placed in the placement groove. The elastic rope (1001) is fixedly installed at both ends of the placement groove. The scraper (1002) has a docking groove (16) on its upper surface. The top cover (3) has symmetrical and tightly inserted docking plugs (17).

8. The secondary foaming molding apparatus for pre-expanded polystyrene beads according to claim 1, characterized in that: The outer surface of the steam outlet pipe (6) is provided with a solenoid valve (18), and a water inlet plug (19) is tightly inserted into one corner of the bottom end of the secondary foaming molding device box (1).

Citation Information

Patent Citations

  • Secondary foaming forming device of expanded polystyrene bead in advance

    CN205364354U