Novel EPS (Expandable Polystyrene) foam plastic packing material pre-foaming device

Abstract

The utility model is applicable to the technical field of pre-foaming, and provides a novel EPS foam plastic packing material pre-foaming device which comprises a foaming box, a sealing cover moving in the vertical direction is arranged at the top of the foaming box through a lifting mechanism, and a threaded rod is rotationally arranged at the top of the inner wall of the sealing cover through a driving mechanism. A rotating rod is fixedly connected to the bottom end of the threaded rod, a plurality of stirring rods are fixedly connected to the surface of the rotating rod, and a plurality of stirring rods are fixedly connected to the surface of the rotating rod. According to the novel EPS foam plastic packaging material pre-foaming device, after cooling is completed through machining, the sealing cover is driven through the lifting mechanism, a plurality of stirring rods can be lifted out, after the uppermost scraping ring is pulled to move through the vertical rods, the scraping rings in the same row can be driven to slide together through connection of the connecting supports, and therefore the stirring rods can be lifted out. And therefore, residual foamed plastic on the surface of the stirring rod is quickly cleaned, the operation is simple and quick, and the cleaning efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pre - foaming, and particularly relates to a pre - foaming device for a new type of EPS foam plastic packaging material. Background Art

[0002] Polystyrene foam is a lightweight polymer. It is made by adding a foaming agent to polystyrene resin and heating it to soften, generating gas, and forming a rigid closed - cell structure of foam plastic. The processing of EPS generally goes through several processes such as pre - foaming, ripening, and forming. During the pre - foaming process, polymer particles containing a foaming agent soften under heating conditions, and the foaming agent volatilizes.

[0003] Chinese patent CN218700706U discloses a pre - foaming device for a new type of EPS foam plastic packaging material. In this technical solution, by setting a cleaning ring, when taking the foam plastic after cooling, the foam plastic attached to the stirring roller can be quickly cleaned by sliding the cleaning ring, and by setting a material - cleaning plate at the bottom of the support roller, the foam plastic can be quickly taken out of the foaming cylinder, and at the same time, the inner wall of the foaming cylinder can be cleaned to ensure complete material taking.

[0004] However, for this pre - foaming device for a new type of EPS foam plastic packaging material, during use, the cleaning rings are independently arranged. During the cleaning process, the staff needs to slide several cleaning rings separately, the cleaning operation is cumbersome, the time consumed is relatively long, the cleaning efficiency is reduced, and the labor intensity of the staff is increased. Content of the Utility Model

[0005] The utility model provides a pre - foaming device for a new type of EPS foam plastic packaging material, aiming to solve the problem that during use, the cleaning rings are independently arranged, and during the cleaning process, the staff needs to slide several cleaning rings separately, the cleaning operation is cumbersome, and the time consumed is relatively long.

[0006] The utility model is realized as follows: A pre - foaming device for a new type of EPS foam plastic packaging material includes a foaming box. A cover that moves vertically is arranged on the top of the foaming box through a lifting mechanism. A threaded rod is rotatably arranged on the top inner wall of the cover through a driving mechanism. The bottom end of the threaded rod is fixedly connected to a rotating rod, and a plurality of stirring rods are fixedly connected to the surface of the rotating rod.

[0007] Scraping rings are slidably sleeved on the surfaces of a plurality of the stirring rods. Multiple scraping rings in the same column are fixedly connected through a connecting bracket. A vertical rod is fixedly connected to the top of the scraping ring at the uppermost position in the same column. A clamping structure for locking the vertical rod is arranged on the surface of the threaded rod.

[0008] Preferably, the lifting mechanism includes two fixed seats which are respectively fixedly connected to the bottoms of the two side faces of the foaming box. An electric telescopic rod is vertically fixedly connected to the top of each fixed seat. Support rods are fixedly connected to both side faces of the cover, and the top end of the electric telescopic rod is fixedly connected to the surface of the support rod.

[0009] Preferably, the driving mechanism includes a housing which is fixedly connected to the top of the cover. A motor is fixedly connected inside the housing, and the output shaft of the motor rotatably extends into the cover and is fixedly connected to the top end of the threaded rod.

[0010] Preferably, the clamping structure includes a threaded sleeve which is threadedly connected to the surface of the threaded rod. A connecting plate is rotatably sleeved on the outer surface of the threaded sleeve. A clamping block is fixedly connected to the top end of the vertical rod, and a plurality of clamping cylinders adapted to the clamping block are fixedly connected to the lower surface of the connecting plate.

[0011] Preferably, an anti-slip sleeve is fixedly connected to the top end of the surface of the vertical rod.

[0012] Advantages

[0013] Compared with the prior art, the advantages of the present utility model are as follows: For a novel pre-foaming device for EPS foam plastic packaging materials of the present utility model, after the driving mechanism drives the threaded rod to rotate, the rotating rod drives a plurality of heating rods and a plurality of stirring rods to rotate, so as to stir and foam the foam plastic. After the processing is completed and cooled, the cover is lifted by the lifting mechanism, and then the plurality of stirring rods can be lifted out. After the scraping ring at the top is pulled by the vertical rod and moves, and through the connection of the connecting bracket, a plurality of scraping rings in the same column can be driven to slide simultaneously, thereby quickly cleaning the residual foam plastic on the surface of the stirring rod. The operation is simple and fast, the cleaning efficiency is improved, the labor intensity of the staff is reduced, and the plurality of scraping rings can be locked by the clamping structure to avoid the displacement of the plurality of scraping rings when the rotating rod rotates, and the stability during the stirring, heating and foaming process is improved. Description of the Drawings

[0014] Figure 1 is a front cross-sectional structural view of the present utility model;

[0015] Figure 2 is a front structural view of the present utility model;

[0016] Figure 3 is the present utility model Figure 1 partial enlarged view at A in.

[0017] In the figure: 1, foam box; 2, cover; 3, fixed seat; 4, electric telescopic rod; 5, support rod; 6, rotating rod; 7, discharge scraper; 8, heating rod; 9, stirring rod; 10, scraping ring; 11, connecting bracket; 12, vertical rod; 13, clamping block; 14, clamping cylinder; 15, connecting plate; 16, anti-slip sleeve; 17, threaded sleeve; 18, threaded rod; 19, housing; 20, motor; 21, limit block. Specific embodiments

[0018] In order to make the objectives, technical solutions and advantages of the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0019] Please refer to Figures 1-3 , the present utility model provides a technical solution: a novel pre-foaming device for EPS foam plastic packaging materials, including a foam box 1. A cover 2 that moves vertically is arranged on the top of the foam box 1 through a lifting mechanism, and a threaded rod 18 is rotatably arranged on the top of the inner wall of the cover 2 through a driving mechanism.

[0020] The bottom end of the threaded rod 18 is fixedly connected to a rotating rod 6, and a plurality of stirring rods 9 are fixedly connected to the surface of the rotating rod 6.

[0021] Scraping rings 10 are slidably sleeved on the surfaces of a plurality of stirring rods 9. A plurality of scraping rings 10 in the same column are fixedly connected through a connecting bracket 11. The top of the uppermost scraping ring 10 in the same column is fixedly connected to a vertical rod 12, and a clamping structure for locking the vertical rod 12 is arranged on the surface of the threaded rod 18.

[0022] After the driving mechanism drives the threaded rod 18 to rotate, the rotating rod 6 drives a plurality of heating rods 8 and a plurality of stirring rods 9 to rotate, and then the foam plastic can be stirred and foamed.

[0023] After the processing is completed and cooled, the cover 2 is lifted by the lifting mechanism, and then the plurality of stirring rods 9 can be lifted out. After the uppermost scraping ring 10 is pulled to move by the vertical rod 12, and by using the connection of the connecting bracket 11, a plurality of scraping rings 10 in the same column can be driven to slide together, thereby quickly cleaning the residual foam plastic on the surface of the stirring rods 9. The operation is simple and fast, the cleaning efficiency is improved, and the labor intensity of the staff is reduced.

[0024] The clamping structure can lock a plurality of scraping rings 10, avoid the displacement of a plurality of scraping rings 10 when the rotating rod 6 rotates, and improve the stability during the stirring, heating and foaming process.

[0025] Further, the lifting mechanism includes two fixed seats 3 which are respectively fixedly connected to the bottoms of both side surfaces of the foam box 1. An electric telescopic rod 4 is vertically fixedly connected to the top of the fixed seat 3. Support rods 5 are fixedly connected to both side surfaces of the cover 2, and the top end of the electric telescopic rod 4 is fixedly connected to the surface of the support rod 5.

[0026] In this embodiment, after the electric telescopic rod 4 extends and retracts, the cover 2 can be driven to move up and down through the connection of the support rod 5.

[0027] Further, the driving mechanism includes a housing 19 which is fixedly connected to the top of the cover 2. A motor 20 is fixedly connected inside the housing 19. The output shaft of the motor 20 rotatably extends into the cover 2 and is fixedly connected to the top end of the threaded rod 18.

[0028] In this embodiment, after the motor 20 works, the rotating rod 6 can be driven to rotate through the connection of the threaded rod 18.

[0029] Further, the clamping structure includes a threaded sleeve 17 which is threadedly connected to the surface of the threaded rod 18. A connecting plate 15 is rotatably sleeved on the outer surface of the threaded sleeve 17. A clamping block 13 is fixedly connected to the top end of the vertical rod 12, and a plurality of clamping cylinders 14 adapted to the clamping block 13 are fixedly connected to the lower surface of the connecting plate 15.

[0030] In this embodiment, after the clamping block 13 is located below the clamping cylinder 14, the threaded sleeve 17 can be twisted. After the threaded sleeve 17 descends on the surface of the threaded rod 18, the clamping cylinder 14 can be sleeved on the outer surface of the clamping block 13, thereby fixing the vertical rod 12 and locking the plurality of scraping rings 10.

[0031] Further, an anti-slip sleeve 16 is fixedly connected to the top end of the surface of the vertical rod 12. The anti-slip sleeve 16 facilitates the staff to pull the vertical rod 12 to move during cleaning.

[0032] When the rotating rod 6 rises, the foam plastic in the inner cavity of the foam box 1 can be discharged by scraping with the discharge scraping plate 7, and the limiting block 21 limits the moving position of the scraping ring 10.

[0033] The working principle and usage process of the present utility model: After the present utility model is installed, after the driving mechanism drives the threaded rod 18 to rotate, the rotating rod 6 drives the plurality of heating rods 8 and the plurality of stirring rods 9 to rotate, and the foam plastic can be stirred and foamed. After the processing is completed and cooled, the cover 2 is lifted by the lifting mechanism, and then the plurality of stirring rods 9 can be lifted out. After the top scraping ring 10 is pulled by the vertical rod 12 to move, by using the connection of the connecting bracket 11, a plurality of scraping rings 10 in the same column can be driven to slide together, thereby quickly cleaning the residual foam plastic on the surface of the stirring rod 9. The operation is simple and fast, improving the cleaning efficiency.

[0034] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A novel pre-foaming device for EPS foam plastic packaging materials, comprising a foaming box (1), characterized in that: At the top of the foam box (1), a cover (2) that moves vertically is arranged through a lifting mechanism. At the top of the inner wall of the cover (2), a threaded rod (18) is rotatably arranged through a driving mechanism. The bottom end of the threaded rod (18) is fixedly connected to a rotating rod (6), and a plurality of stirring rods (9) are fixedly connected to the surface of the rotating rod (6). Sliding sleeves are sleeved on the surfaces of a plurality of the stirring rods (9), and a plurality of scraping rings (10) in the same column are fixedly connected through a connecting bracket (11). A vertical rod (12) is fixedly connected to the top of the scraping ring (10) at the uppermost position in the same column. A clamping structure for locking the vertical rod (12) is arranged on the surface of the threaded rod (18).

2. The novel pre-foaming device for EPS foam plastic packaging materials according to claim 1, characterized in that: The lifting mechanism includes two fixed seats (3). The two fixed seats (3) are respectively fixedly connected to the bottoms of the two side surfaces of the foam box (1). An electric telescopic rod (4) is vertically fixedly connected to the top of the fixed seat (3). Support rods (5) are fixedly connected to both side surfaces of the cover (2), and the top end of the electric telescopic rod (4) is fixedly connected to the surface of the support rod (5).

3. A novel pre-foaming device for EPS foam plastic packaging materials according to claim 1, characterized in that: The driving mechanism includes a housing (19). The housing (19) is fixedly connected to the top of the cover (2). A motor (20) is fixedly connected to the inside of the housing (19). The output shaft of the motor (20) rotatably extends into the inside of the cover (2) and is fixedly connected to the top end of the threaded rod (18).

4. A novel pre-foaming device for EPS foam plastic packaging materials according to claim 1, characterized in that: The clamping structure includes a threaded sleeve (17). The threaded sleeve (17) is threadedly connected to the surface of the threaded rod (18). A connecting plate (15) is rotatably sleeved on the outer surface of the threaded sleeve (17). A clamping block (13) is fixedly connected to the top end of the vertical rod (12). A plurality of clamping cylinders (14) adapted to the clamping block (13) are fixedly connected to the lower surface of the connecting plate (15).

5. A novel pre-foaming device for EPS foam plastic packaging materials as claimed in claim 1, characterized in that: An anti-slip sleeve (16) is fixedly connected to the top end of the surface of the vertical rod (12).

Images