A fire-retardant foam plastic automatic forming machine

Abstract

The utility model relates to the technical field of foam plastic processing, and discloses a fire-proof and flame-retardant foam plastic automatic forming machine, including a base, a forming box and a vertical mounting plate are fixedly arranged on the upper surface of the base, a discharge port is opened on the side of the forming box, a fixing frame is fixedly connected between the vertical mounting plate and the top of the forming box, a driving motor is fixedly installed on the left side of the fixing frame, and a driving screw is fixedly connected to the output shaft of the driving motor. The utility model is provided with a cooling cavity inside the forming mold. During the foam plastic forming process, a cooling air pump can be used to input cold air into the cooling cavity of the forming mold, and the cold air can be used to cool the inner wall of the forming mold, and the heat inside the cooling cavity can be discharged by a heat exhaust pipe, so that the cooling air pump can continuously transport cooling air to the inside of the forming mold, thereby accelerating the cooling speed of the foam plastic, which is conducive to the rapid discharge of the foam plastic.

Description

Technical Field

[0001] The utility model relates to the technical field of foam plastic processing, and more specifically to an automatic forming machine for fire-proof and flame-retardant foam plastic. Background Art

[0002] Polyurethane foam is made of isocyanate and hydroxyl compounds through polymerization and foaming. Generally speaking, it has excellent elasticity, softness, elongation and compression strength; good chemical stability, and resistance to many solvents and oils; polyurethane foam generally improves the flame retardancy of foam by adding flame retardants to delay combustion, block smoke, and even make the fire part self-extinguish. In the production and processing of flame-retardant foam, foam injection molding machines are usually used to mold the foam.

[0003] For example, a new type of automatic foam plastic forming machine with announcement number CN220261753U includes a machine body, a forming frame and a demoulding component, the demoulding component includes a mounting frame, a push rod, an adsorption gripper and a rotating seat, the machine body provides installation conditions for the forming frame and the demoulding component, the forming frame contains a relatively movable mold for pressing and molding foam plastic, the demoulding component automatically demoulds the molded foam plastic, specifically, the mounting frame provides support and installation conditions for the push rod, after the forming frame presses and molds the foam plastic, the molds are separated, the push rod is energized and extended to eject the foam plastic from the forming frame, the adsorption gripper then adsorbs the foam plastic on the push rod, the rotating seat rotates to drive the adsorption gripper to rotate, and the foam plastic is moved to the unloading point for discharge, thereby avoiding the problem of occupying the working time of the forming frame.

[0004] In actual use, the automatic foam plastic forming machine proposed in the above patent document lacks a mechanism for cooling the plastic inside the mold. Therefore, it is necessary to wait in the mold for a certain period of time before opening the mold to discharge the molded foam plastic, thereby reducing the discharge speed and affecting the overall processing efficiency. Utility Model Content

[0005] In order to overcome the above defects of the prior art, the utility model provides a fire-resistant and flame-retardant foam plastic automatic forming machine, which has the advantages of rapid cooling and automatic discharging, so as to solve the problems existing in the above background technology.

[0006] The utility model provides the following technical scheme: an automatic fire-retardant foam plastic forming machine, comprising a base, a forming box and a vertical mounting plate are fixedly arranged on the upper surface of the base, a discharge port is opened on the side of the forming box, a fixing frame is fixedly connected between the vertical mounting plate and the top of the forming box, a driving motor is fixedly installed on the left side of the fixing frame, a driving screw is fixedly connected to the output shaft of the driving motor, a driving block is threadedly connected to the surface of the driving screw, a moving plate is fixedly connected to the lower surface of the driving block, two upper and lower corresponding forming molds are fixedly connected to the left side of the moving plate, the position of the forming mold corresponds to the forming box, the size of the moving plate matches the discharge port of the forming box, the moving plate can drive the forming mold to enter the interior of the forming box, and the opening of the forming box is closed by the moving plate, so as to facilitate the input of plastic into the forming box;

[0007] A cooling cavity is provided inside the molding die, a connecting shell is fixedly connected to the right side of the movable plate, the connecting shell is located between the two cooling cavities, two guide holes are provided on the surface of the movable plate, the left end of the guide hole extends to the inside of the cooling cavity, and the other end of the guide hole extends to the inside of the connecting shell, and the cooling cavities of the two molding dies are connected to the connecting shell through the guide holes;

[0008] A cooling air pump is fixedly installed on the right side of the vertical mounting plate. The output end of the cooling air pump passes through the vertical mounting plate and is fixedly connected with an air guide hose. The end of the air guide hose away from the cooling air pump extends to the inside of the cooling cavity.

[0009] Furthermore, a heat exhaust pipe is fixedly embedded on the right side of the movable plate, and the left end of the heat exhaust pipe extends to the inside of the cooling cavity. The heat exhaust pipe is used to exhaust the hot air inside the cooling cavity.

[0010] Furthermore, a discharging assembly is arranged on the left side of the molding box, and the discharging assembly includes a mounting frame, an electric push rod is fixedly mounted on the surface of the mounting frame, and a linkage plate is fixedly connected to the telescopic end of the electric push rod.

[0011] Furthermore, two discharge push rods are fixedly connected to the right side of the linkage plate, and the right ends of the two discharge push rods extend into the interior of the molding box and are fixedly connected to the discharge push plate.

[0012] Furthermore, the size of the discharge push plate matches the molding box, and the discharge push plate is slidably connected to the inner wall of the molding box, and the discharge push plate is used to discharge the cooled foam plastic in the molding box.

[0013] Furthermore, a discharge conveyor belt is provided on the surface of the base, and the discharge conveyor belt is located below the discharge port of the molding box. The discharge conveyor belt is used to convey the discharged plastic foam to the outside of the base.

[0014] Furthermore, two guide rods are fixedly connected between the vertical mounting plate and the forming box, and guide holes are opened on the surface of the movable plate. The movable plate is slidably connected to the surfaces of the guide rods through the guide holes.

[0015] Technical effects and advantages of the utility model:

[0016] 1. The utility model provides a cooling cavity inside the molding die. During the molding process of the foam plastic, a cooling air pump can be used to input cold air into the cooling cavity of the molding die, and the cold air can be used to cool the inner wall of the molding die. The heat inside the cooling cavity can be discharged by a heat exhaust pipe, so that the cooling air pump can continuously transport cooling air to the inside of the molding die and maintain a stable cooling temperature inside the cooling cavity, thereby accelerating the cooling speed of the foam plastic, which is conducive to the rapid discharge of the foam plastic.

[0017] 2. The utility model has a discharge port on the side of the molding box. When the molded foam plastic is discharged, the electric push rod of the discharge assembly can drive the discharge push plate to push the foam plastic to the discharge port, so that the foam plastic falls naturally from the discharge port, and then the discharge conveyor belt under the discharge port is used to convey the foam plastic to the other side of the base, thereby completing the discharge and collection, without manual material collection, and convenient operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the front view structure of the utility model;

[0019] Figure 2 This is a rear view structural diagram of the utility model;

[0020] Figure 3 This is a side view of the structure of the utility model;

[0021] Figure 4 This is a schematic diagram of the front section structure of the molding die of the utility model;

[0022] Figure 5 It is a schematic diagram of the front section structure of the discharging component of the utility model.

[0023] The reference numerals are: 1, forming box; 2, vertical mounting plate; 3, discharging assembly; 4, fixing frame; 5, driving motor; 6, driving screw rod; 7, driving block; 8, moving plate; 9, forming mold; 10, cooling cavity; 11, connecting shell; 12, guide hole; 13, air guide hose; 14, heat exhaust pipe; 15, discharging port; 16, discharging conveyor belt; 17, guide rod; 18, cooling air pump;

[0024] 301, mounting frame; 302, electric push rod; 303, linkage plate; 304, discharging push rod; 305, discharging push plate. DETAILED DESCRIPTION

[0025] The technical solution of the present invention will be clearly and completely described below in conjunction with the drawings in the present invention. In addition, the forms of the various structures recorded in the following embodiments are merely illustrative. The fire-retardant foam plastic automatic forming machine involved in the present invention is not limited to the various structures recorded in the following embodiments. All other embodiments obtained by ordinary technicians in this field without making creative work belong to the scope of protection of the present invention.

[0026] Reference Figure 1-5 The utility model provides a fire-retardant foam plastic automatic forming machine, including a base, a forming box 1 and a vertical mounting plate 2 are fixedly arranged on the upper surface of the base, a discharge port 15 is opened on the side of the forming box 1, a fixing frame 4 is fixedly connected between the vertical mounting plate 2 and the top of the forming box 1, a driving motor 5 is fixedly installed on the left side of the fixing frame 4, a driving screw 6 is fixedly connected to the output shaft of the driving motor 5, a driving block 7 is threadedly connected to the surface of the driving screw 6, a moving plate 8 is fixedly connected to the lower surface of the driving block 7, two guide rods 17 are fixedly connected between the vertical mounting plate 2 and the forming box 1, a guide hole is opened on the surface of the moving plate 8, and the moving plate 8 is slidably connected to the surface of the guide rod 17 through the guide hole.

[0027] Two upper and lower corresponding forming molds 9 are fixedly connected to the left side of the movable plate 8. The position of the forming mold 9 corresponds to the forming box 1. The size of the movable plate 8 matches the discharge port 15 of the forming box 1. When the foam plastic is formed, the driving motor 5 is first used to drive the driving screw 6 to rotate, and then the driving block 7 and the movable plate 8 are driven to move toward the forming box 1, and at the same time, the forming mold 9 is driven to enter the inside of the forming box 1, and the opening of the forming box 1 is closed by the movable plate 8, and then the raw materials are transported to the inside of the forming box 1 by the conveying pipe, so that the raw materials are formed and cooled inside the forming box 1.

[0028] A discharge assembly 3 is provided on the left side of the molding box 1. The discharge assembly 3 includes a mounting frame 301. An electric push rod 302 is fixedly mounted on the surface of the mounting frame 301. The telescopic end of the electric push rod 302 is fixedly connected to a linkage plate 303. Two discharge push rods 304 are fixedly connected to the right side of the linkage plate 303. The right ends of the two discharge push rods 304 both extend into the interior of the molding box 1 and are fixedly connected to a discharge push plate 305.

[0029] The size of the discharge push plate 305 matches that of the molding box 1 , and the discharge push plate 305 is slidably connected to the inner wall of the molding box 1 . The discharge push plate 305 is used to discharge the cooled foam plastic in the molding box 1 .

[0030] A discharge conveyor belt 16 is provided on the surface of the base. The discharge conveyor belt 16 is located below the discharge port 15 of the molding box 1. The discharge conveyor belt 16 is used to convey the discharged plastic foam to the outside of the base.

[0031] It is worth mentioning that, by opening a discharge port 15 on the side of the molding box 1, when the molded foam plastic is discharged, the electric push rod 302 of the discharge assembly 3 is used to drive the linkage plate 303 to move, and then drive the discharge push rod 304 and the discharge push plate 305 to move, and the discharge push plate 305 is used to push the foam plastic toward the discharge port 15 of the molding box 1, so that the foam plastic naturally falls from the discharge port 15 to the surface of the discharge conveyor belt 16, and then the discharge conveyor belt 16 is used to convey the foam plastic to the other side of the base, thereby completing the discharge and collection.

[0032] A cooling cavity 10 is provided inside the molding die 9, a connecting shell 11 is fixedly connected to the right side of the movable plate 8, the connecting shell 11 is located between the two cooling cavities 10, and two guide holes 12 are provided on the surface of the movable plate 8. The left end of the guide hole 12 extends to the inside of the cooling cavity 10, and the other end of the guide hole 12 extends to the inside of the connecting shell 11. The cooling cavities 10 of the two molding dies 9 are connected to the connecting shell 11 through the guide holes 12, thereby facilitating the circulation of cold air to the two cooling cavities 10.

[0033] A heat exhaust pipe 14 is fixedly embedded on the right side of the movable plate 8 , and the left end of the heat exhaust pipe 14 extends into the interior of the cooling cavity 10 . The heat exhaust pipe 14 is used to exhaust the hot air inside the cooling cavity 10 .

[0034] A cooling air pump 18 is fixedly installed on the right side of the vertical mounting plate 2. The output end of the cooling air pump 18 passes through the vertical mounting plate 2 and is fixedly connected to an air guide hose 13. The end of the air guide hose 13 away from the cooling air pump 18 extends to the interior of the cooling cavity 10.

[0035] It is worth mentioning that by providing a cooling cavity 10 inside the molding mold 9, during the molding process of the foam plastic, the cooling air pump 18 and the air guide hose 13 can be used to input cold air into the cooling cavity 10 of the molding mold 9, and the cold air can be used to cool the inner wall of the molding mold 9, and the heat exhaust pipe 14 can be used to discharge the heat inside the cooling cavity 10 of the lower molding mold 9, so that the cooling air pump 18 can continuously transport cooling air to the molding mold 9, so that the cooling cavity 10 can always maintain a stable cooling temperature, thereby accelerating the cooling speed of the foam plastic, which is conducive to the rapid discharge of the foam plastic.

[0036] Finally, it should be noted that the drawings of the embodiments disclosed in the present utility model only involve structures related to the embodiments disclosed in the present utility model. The above description is only a preferred embodiment of the present utility model and is not used to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A fire-retardant foam plastic automatic forming machine, comprising a base, characterized in that: A molding box (1) and a vertical mounting plate (2) are fixedly arranged on the upper surface of the base, a discharge port (15) is opened on the side of the molding box (1), a fixing frame (4) is fixedly connected between the vertical mounting plate (2) and the top of the molding box (1), a driving motor (5) is fixedly installed on the left side of the fixing frame (4), the output shaft of the driving motor (5) is fixedly connected to a driving screw (6), the surface of the driving screw (6) is threadedly connected to a driving block (7), a moving plate (8) is fixedly connected to the lower surface of the driving block (7), and two upper and lower corresponding molding dies (9) are fixedly connected to the left side of the moving plate (8), the position of the molding dies (9) corresponds to the molding box (1), and the size of the moving plate (8) matches the discharge port (15) of the molding box (1); A cooling cavity (10) is provided inside the molding die (9); a connecting shell (11) is fixedly connected to the right side of the movable plate (8); the connecting shell (11) is located between the two cooling cavities (10); two guide holes (12) are provided on the surface of the movable plate (8); the left end of the guide hole (12) extends to the inside of the cooling cavity (10), and the other end of the guide hole (12) extends to the inside of the connecting shell (11); the cooling cavities (10) of the two molding dies (9) are connected to the connecting shell (11) through the guide holes (12); A cooling air pump (18) is fixedly mounted on the right side of the vertical mounting plate (2); an output end of the cooling air pump (18) passes through the vertical mounting plate (2) and is fixedly connected to an air guide hose (13); an end of the air guide hose (13) away from the cooling air pump (18) extends to the interior of the cooling cavity (10).

2. The automatic fire-retardant foam plastic forming machine according to claim 1, characterized in that: A heat exhaust pipe (14) is fixedly embedded on the right side of the movable plate (8), and the left end of the heat exhaust pipe (14) extends into the interior of the cooling cavity (10). The heat exhaust pipe (14) is used to exhaust hot air inside the cooling cavity (10).

3. The automatic fire-retardant foam plastic forming machine according to claim 2, characterized in that: A discharge assembly (3) is arranged on the left side of the molding box (1), and the discharge assembly (3) comprises a mounting frame (301), an electric push rod (302) is fixedly mounted on the surface of the mounting frame (301), and a linkage plate (303) is fixedly connected to the telescopic end of the electric push rod (302).

4. The automatic fire-retardant foam plastic forming machine according to claim 3, characterized in that: Two discharge push rods (304) are fixedly connected to the right side of the linkage plate (303), and the right ends of the two discharge push rods (304) extend into the interior of the molding box (1) and are fixedly connected to a discharge push plate (305).

5. The automatic fire-retardant foam plastic forming machine according to claim 4, characterized in that: The size of the discharge push plate (305) matches that of the molding box (1), and the discharge push plate (305) is slidably connected to the inner wall of the molding box (1). The discharge push plate (305) is used to discharge the foam plastic in the molding box (1) after cooling.

6. The automatic fire-retardant foam plastic forming machine according to claim 5, characterized in that: A discharge conveyor belt (16) is provided on the surface of the base, and the discharge conveyor belt (16) is located below the discharge port (15) of the molding box (1). The discharge conveyor belt (16) is used to convey the discharged plastic foam to the outside of the base.

7. The automatic fire-retardant foam plastic forming machine according to claim 6, characterized in that: Two guide rods (17) are fixedly connected between the vertical mounting plate (2) and the molding box (1), and a guide hole is provided on the surface of the movable plate (8). The movable plate (8) is slidably connected to the surface of the guide rods (17) through the guide hole.

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