Foaming agent injection integrated device for extruded polystyrene

Abstract

The utility model relates to the technical field of extruded polystyrene production, and discloses a foaming agent injection integrated device for extruded polystyrene, which comprises a shell, feed ports are fixedly connected to two sides of the shell close to the upper edge, a motor is fixedly connected to the upper surface of the shell close to the center, and a foaming agent injection device is arranged on the shell. The output end of the motor is fixedly connected with a stirring assembly, and the bottom of the stirring assembly is rotationally connected with a quantifying assembly. According to the foaming agent injection integrated device for extruded polystyrene, multiple raw materials are mixed into the shell through a feeding opening, then a motor rotates to drive a rotating frame to rotate, stirring blades can operate to stir foaming agent raw materials, a rotating shaft moves in a rotating groove, the stirring blades can rotate in a double-layer mode, and the stirring effect is improved. The foaming agent raw materials are fully stirred, so that the influence on the overall quality of extruded polystyrene due to non-uniform filling caused by non-uniform stirring of the foaming agent raw materials is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of extruded polystyrene production, in particular to an integrated device for injecting a foaming agent for extruded polystyrene. Background Art

[0002] Extruded polystyrene, full name extruded polystyrene foam board, also known as XPS board, is a rigid foam plastic board with a closed-cell structure made of polystyrene resin or its copolymer as the main component, which is made by heating extrusion.

[0003] Chinese patent publication number CN215170662U discloses an integrated amine injection package process device, comprising a fixed base, a reagent tank, a diaphragm pump, a first variable frequency pump, a second variable frequency pump, and a third variable frequency pump. The inlets of the first, second, and third variable frequency pumps of the utility model are connected to the reagent tank via a calibration column. A control box then automatically controls the required flow rate for reagent addition, ensuring smooth injection of reagents at various injection points throughout the olefin unit, achieving smooth operation of the unit and achieving continuity, effectiveness, and controllability. Flow valve groups and dampers are installed at the output ports of the first, second, and third variable frequency pumps. The variable frequency pumps and flow valve groups interlock to control and adjust the reagent flow rate, and the damper eliminates pulses in the variable frequency pumps. This allows for interlocked flow control during the injection process, saving reagent usage, significantly reducing manual operations, and lowering the operating costs of the entire unit.

[0004] In the production process of extruded polystyrene, the injection of foaming agent is a key link. The foaming agent injection device commonly used in the existing technology has problems such as complex structure, uneven injection, and incomplete stirring of the foaming agent, which affects the product quality and production efficiency of extruded polystyrene. Utility Model Content

[0005] In view of the above-mentioned problem of incomplete stirring of the existing foaming agent, the present utility model is proposed.

[0006] Therefore, the purpose of the present invention is to provide an integrated device for injecting a foaming agent into extruded polystyrene, the purpose of which is to fully stir the foaming agent to avoid the foaming agent from reacting due to excessive temperature.

[0007] To solve the above technical problems, the utility model provides the following technical solutions: an integrated device for injecting a foaming agent for extruded polystyrene, comprising a housing, wherein feed ports are fixedly connected near the upper edge of both sides of the housing, a motor is fixedly connected near the center of the upper surface of the housing, a stirring assembly is fixedly connected to the output end of the motor, and a dosing assembly is rotatably connected to the bottom of the stirring assembly;

[0008] The stirring assembly includes a rotating frame fixedly connected to the output end of the motor, a plurality of rotating holes are opened on the side of the rotating frame, a clamping column is rotatably connected to the inner wall of the rotating hole, and a stirring blade is fixedly connected to one end of the clamping column.

[0009] As a preferred solution of the integrated device for injecting foaming agent for extruded polystyrene described in the utility model, the other end of the clamping column is rotatably connected to a transmission belt, the other end of the transmission belt is rotatably connected to a connecting rod, and the other end of the connecting rod is rotatably connected to a rotating shaft.

[0010] As a preferred solution of the integrated device for injecting foaming agent for extruded polystyrene described in the utility model, the upper surface of the inner wall of the rotating frame is rotatably connected with a connecting column, the outer wall of the connecting column is provided with multiple rotating grooves, and the rotating shaft rotates in the rotating grooves.

[0011] As a preferred solution of the integrated device for injecting foaming agent for extruded polystyrene described in the utility model, the quantitative component includes a fixed plate rotatably connected to the bottom of the rotating frame, a hole is opened on the upper surface of the fixed plate near the center, and support rings are fixedly connected to both ends of the fixed plate.

[0012] As a preferred solution of the integrated device for injecting foaming agent for extruded polystyrene described in the utility model, horizontal grooves are opened near the center on both sides of the fixed plate, two second elastic members are fixedly connected on both sides of the horizontal groove, the other end of the second elastic member is fixedly connected to a rotating rod, and the lower end of the rotating rod is fixedly connected to an arc-shaped baffle.

[0013] As a preferred solution of the integrated device for injecting foaming agent into extruded polystyrene according to the utility model, a first elastic member is fixedly connected to the upper surface of the shell near both sides, a pressing end is fixedly connected to the other end of the first elastic member, a push rod is fixedly connected near the bottom of the pressing end, the other end of the push rod is in contact with the upper surface of the arc-shaped baffle, and the push rod is inside the first elastic member.

[0014] As a preferred solution of the integrated device for injecting foaming agent for extruded polystyrene described in the utility model, the inside of the hole is rotatably connected to a reverse screw rod, the bottom end of the reverse screw rod is fixedly connected to a support plate, the outer wall of the reverse screw rod is rotatably connected to an extrusion plate, and an injection hole is opened at the bottom of the shell.

[0015] Beneficial effects of the utility model:

[0016] 1. The utility model mixes a variety of raw materials into the inside of the shell through the feed port, and then uses the motor to rotate the rotating frame to rotate. A rotating groove is provided above the connecting column inside the rotating frame, and then the rotating shaft rotating inside the rotating groove drives the transmission belt to enable the stirring blade to operate, and continue to stir the foaming agent principle. The rotating shaft is moved inside the rotating groove, so that the stirring blade can rotate in a double layer, and the foaming agent raw materials are fully stirred, thereby avoiding uneven filling caused by uneven stirring of the foaming agent raw materials, which affects the overall quality of the extruded polystyrene.

[0017] 2. The utility model utilizes the pressing end above to press, and the push rod presses the arc baffle to open the arc baffle, allowing the stirred raw materials to flow downward. At the same time, the rotation of the rotating frame drives the reverse screw to rotate, and then the extrusion plate on the reverse screw evenly injects the foaming agent from the injection hole into the extruded polystyrene, and the amount of each injection is controlled. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without inventive work. Among them:

[0019] Figure 1 This is a schematic diagram of the overall structure of the integrated device for injecting a foaming agent for extruded polystyrene according to the utility model.

[0020] Figure 2 This is a schematic diagram of the overall cross-sectional structure of the integrated device for injecting a foaming agent for extruded polystyrene according to the utility model.

[0021] Figure 3 This is a schematic diagram of the structure of the stirring component of the integrated device for injecting a foaming agent for extruded polystyrene according to the utility model.

[0022] Figure 4 This is a schematic diagram of the quantitative component structure of the integrated device for injecting a foaming agent for extruded polystyrene according to the utility model.

[0023] Description of reference numerals:

[0024] 1. Housing; 11. Feed port; 12. Motor; 13. Push rod; 14. Injection hole; 15. Support plate; 16. Extrusion plate; 17. Reverse screw; 18. Pressing end; 19. First elastic member;

[0025] 2. Stirring assembly; 20. Connecting rod; 21. Rotating frame; 22. Rotating groove; 23. Connecting column; 24. Stirring blade; 25. Rotating hole; 26. Rotating shaft; 27. Transmission belt; 28. Clamping column;

[0026] 3. Dosing assembly; 30. Support ring; 31. Rotating rod; 32. Hole; 33. Second elastic member; 34. Transverse groove; 35. Fixed plate; 36. Arc baffle. DETAILED DESCRIPTION

[0027] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings. Example 1

[0028] Reference Figure 1-3 , which is the first embodiment of the utility model, provides an integrated device for injecting a foaming agent for extruded polystyrene, and the integrated device for injecting a foaming agent for extruded polystyrene includes a shell 1, and a feed port 11 is fixedly connected to both sides of the shell 1 near the upper edge, and a motor 12 is fixedly connected to the upper surface of the shell 1 near the center, and the output end of the motor 12 is fixedly connected to a stirring component 2, and the bottom of the stirring component 2 is rotatably connected to a quantitative component 3.

[0029] The stirring assembly 2 includes a rotating frame 21 fixedly connected to the output end of the motor 12. A plurality of rotating holes 25 are opened on the side of the rotating frame 21. The inner wall of the rotating hole 25 is rotatably connected to a clamping column 28. One end of the clamping column 28 is fixedly connected to a stirring blade 24. The motor 12 is used to drive the rotating frame 21 to rotate, and the rotating frame 21 drives the stirring blade 24 to stir the foaming agent raw material to avoid the raw material from reacting due to excessive temperature.

[0030] The other end of the clamping column 28 is rotatably connected to the transmission belt 27, the other end of the transmission belt 27 is rotatably connected to the connecting rod 20, and the other end of the connecting rod 20 is rotatably connected to the rotating shaft 26. The rotation of the rotating shaft 26 drives the transmission belt 27 to rotate, so that the stirring blade 24 performs double-layer stirring, which stirs the foaming agent raw material more fully.

[0031] A connecting column 23 is rotatably connected to the upper surface of the inner wall of the rotating frame 21, and a plurality of rotating grooves 22 are opened on the outer wall of the connecting column 23. The rotating shaft 26 rotates in the rotating groove 22. When the clamping column 28 rotates with the rotating frame 21, the rotating shaft 26 also slides inside the rotating groove 22 as the rotating frame 21 rotates.

[0032] During use, a variety of raw materials are mixed into the shell 1 through the feed port 11, and then the motor 12 is used to rotate the rotating frame 21. A rotating groove 22 is provided above the connecting column 23 inside the rotating frame 21. The rotating shaft 26 rotating inside the rotating groove 22 drives the transmission belt 27 to enable the stirring blade 24 to operate and continue to stir the foaming agent. The rotating shaft 26 is moved inside the rotating groove 22 to enable the stirring blade 24 to rotate in a double layer to fully stir the foaming agent raw materials. Example 2

[0033] Reference Figure 1-4 , which is the second embodiment of the present utility model. This embodiment is different from the first embodiment in that: the quantitative component 3 includes a fixed plate 35 rotatably connected to the bottom of the rotating frame 21, and a hole 32 is opened near the center of the upper surface of the fixed plate 35. Support rings 30 are fixedly connected to both ends of the fixed plate 35. The side of the support ring 30 is fixedly connected to the inside of the shell 1 to fix it.

[0034] A transverse groove 34 is provided on both sides of the fixed plate 35 near the center, and two second elastic members 33 are fixedly connected to the two sides of the transverse groove 34. The other end of the second elastic member 33 is fixedly connected to the rotating rod 31, and the lower end of the rotating rod 31 is fixedly connected to the arc-shaped baffle 36. When the arc-shaped baffle 36 is subjected to external force, the second elastic member 33 is used to enable the arc-shaped baffle 36 to open downward. When the external force disappears, the elastic force of the second elastic member 33 is used to restore the arc-shaped baffle 36 to its original position, thereby controlling the amount of each dose.

[0035] A first elastic member 19 is fixedly connected to the upper surface of the shell 1 near both sides, and a pressing end 18 is fixedly connected to the other end of the first elastic member 19. A push rod 13 is fixedly connected near the bottom of the pressing end 18. The other end of the push rod 13 is in contact with the upper surface of the arc-shaped baffle 36. The push rod 13 is inside the first elastic member 19. The pushing end 18 is pressed to make the push rod 13 exert force on the arc-shaped baffle 36. When the fixed amount is added, the pressing end 18 is released and the first elastic member 19 is used to restore the pressing end 18 to its original position.

[0036] The hole 32 is rotatably connected to a reverse screw rod 17, the bottom end of the reverse screw rod 17 is fixedly connected to a support plate 15, the outer wall of the reverse screw rod 17 is rotatably connected to an extrusion plate 16, and an injection hole 14 is opened at the bottom of the shell 1. The reverse screw rod 17 drives the extrusion plate 16 to inject the raw material into the extruded polystyrene through the injection hole 14.

[0037] During use, the upper pressing end 18 is used to press, and the push rod 13 presses the arc baffle 36, so that the arc baffle 36 opens, and the mixed raw materials flow downward. At the same time, the rotation of the rotating frame 21 drives the reverse screw rod 17 to rotate, and then the extrusion plate 16 on the reverse screw rod 17 is used to evenly inject the foaming agent from the injection hole 14 into the extruded polystyrene.

[0038] The remaining structures are the same as those of Example 1.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, and all of these should be included in the scope of the claims of the present invention.

Claims

1. An integrated device for injecting a foaming agent into extruded polystyrene, comprising a housing (1), characterized in that: Feed ports (11) are fixedly connected to both sides of the housing (1) near the upper edge, a motor (12) is fixedly connected to the upper surface of the housing (1) near the center, a stirring assembly (2) is fixedly connected to the output end of the motor (12), and a quantitative assembly (3) is rotatably connected to the bottom of the stirring assembly (2); The stirring assembly (2) includes a rotating frame (21) fixedly connected to the output end of the motor (12), a plurality of rotating holes (25) are opened on the side of the rotating frame (21), a clamping column (28) is rotatably connected to the inner wall of the rotating hole (25), and a stirring blade (24) is fixedly connected to one end of the clamping column (28).

2. The integrated device for injecting a foaming agent into extruded polystyrene according to claim 1, characterized in that: The other end of the clamping column (28) is rotatably connected to a transmission belt (27), the other end of the transmission belt (27) is rotatably connected to a connecting rod (20), and the other end of the connecting rod (20) is rotatably connected to a rotating shaft (26).

3. The integrated device for injecting a foaming agent into extruded polystyrene according to claim 2, characterized in that: The upper surface of the inner wall of the rotating frame (21) is rotatably connected to a connecting column (23), and the outer wall of the connecting column (23) is provided with a plurality of rotating grooves (22), and the rotating shaft (26) rotates in the rotating grooves (22).

4. The integrated device for injecting a foaming agent for extruded polystyrene according to claim 1, characterized in that: The quantitative assembly (3) includes a fixed plate (35) rotatably connected to the bottom of the rotating frame (21), a hole (32) is provided on the upper surface of the fixed plate (35) near the center, and support rings (30) are fixedly connected to both ends of the fixed plate (35).

5. The integrated device for injecting a foaming agent for extruded polystyrene according to claim 4, characterized in that: Transverse grooves (34) are formed on both sides of the fixed plate (35) near the center. Two second elastic members (33) are fixedly connected to both sides of the transverse groove (34). The other end of the second elastic member (33) is fixedly connected to a rotating rod (31). The lower end of the rotating rod (31) is fixedly connected to an arc-shaped baffle (36).

6. The integrated device for injecting a foaming agent for extruded polystyrene according to claim 5, characterized in that: A first elastic member (19) is fixedly connected to the upper surface of the housing (1) near both sides, the other end of the first elastic member (19) is fixedly connected to a pressing end (18), and a push rod (13) is fixedly connected to the bottom of the pressing end (18), the other end of the push rod (13) is in contact with the upper surface of the arc-shaped baffle (36), and the push rod (13) is located inside the first elastic member (19).

7. The integrated device for injecting a foaming agent for extruded polystyrene according to claim 4, characterized in that: The hole (32) is internally rotatably connected to a reverse screw rod (17), the bottom end of the reverse screw rod (17) is fixedly connected to a support plate (15), the outer wall of the reverse screw rod (17) is rotatably connected to an extrusion plate (16), and an injection hole (14) is provided at the bottom of the housing (1).

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