Polyethylene hot press molding equipment

Abstract

The utility model relates to the technical field of polyethylene, and discloses polyethylene hot press molding equipment which comprises a workbench, a first fixing plate and a second fixing plate are fixedly connected to the two sides of the top end of the workbench respectively, and a cross beam is fixedly connected between the first fixing plate and the second fixing plate. According to the technical scheme, the polyethylene foam board can be installed through the installation groove in the lifting table, the electric push rod can push the lifting table to ascend till the polyethylene foam board abuts against the polyethylene film, the polyethylene film is fused through the electric heating wire after hot pressing is completed, the polyethylene foam board is completely covered with the polyethylene film, and the production efficiency is improved. At the moment, a rectangular hole is formed in the fusing position of the polyethylene film and cannot be broken, then under the cooperation of the first winding roller and the second winding roller, the position of the rectangular hole moves, the polyethylene film with the hole is wound, the operation is repeated subsequently, and convenience and practicability are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of polyethylene, in particular to polyethylene hot pressing molding equipment. Background Art

[0002] Polyethylene is a thermoplastic resin obtained by polymerization of ethylene monomers. In industry, it also includes copolymers of ethylene and a small amount of α-olefins. Polyethylene is odorless, non-toxic, feels like wax, and has excellent low-temperature resistance (the lowest operating temperature can reach -100~-70°C). It has good chemical stability because the polymer molecules are connected by carbon-carbon single bonds and can withstand the corrosion of most acids and alkalis (not resistant to oxidizing acids). It is insoluble in general solvents at room temperature, has low water absorption, and has excellent electrical insulation.

[0003] The patent document with the published announcement number CN212446636U discloses that the utility model discloses a polyethylene foam board hot-pressing laminating machine, including a film-releasing mechanism, a primary hot-pressing pair of wheels and a secondary hot-pressing pair of wheels which are sequentially rotated and installed on the machine body along the moving direction of the polyethylene foam board, a film roll is movably mounted on the film-releasing mechanism, an adsorption tube is arranged between the film-releasing mechanism and the primary hot-pressing pair of wheels, a plurality of through holes are spaced apart at the upper part of the adsorption tube along its axial direction, an electric heating wire is arranged on the machine body, and the electric heating wire is close to and higher than the adsorption tube, and the adsorption tube is located below and close to the polyethylene foam board moving on the machine body. The utility model has the characteristics of preventing the film length from being shorter than the length of the polyethylene foam board, and the film is not easy to be deflected or wrinkled during the hot-pressing process, and the finished product qualification rate is high, and the labor intensity is low. The utility model is suitable for the technical field of hot-pressing laminating in the insulation process of polyethylene foam boards.

[0004] When the prior art polyethylene foam board hot pressing laminating machine is used, the operator usually cuts the polyethylene film into the size of the polyethylene foam board and then laminates it onto the polyethylene foam board. However, the manual cutting size is not accurate enough. Therefore, a polyethylene hot pressing molding device is needed. Utility Model Content

[0005] The utility model aims to provide a polyethylene hot pressing molding device, which solves the problems raised in the background technology.

[0006] The embodiment of the present application provides a polyethylene hot pressing molding device, including a workbench, wherein a first fixed plate and a second fixed plate are fixedly connected to both sides of the top of the workbench respectively, a crossbeam is fixedly connected between the first fixed plate and the second fixed plate, a first motor is installed on an outer wall of one side of the first fixed plate, an output shaft of the first motor is passed through the first fixed plate to the inside of the crossbeam and is fixedly connected to a screw rod, a slider is threaded and slidably provided on the screw rod, a mounting frame is fixedly connected to the bottom end of the slider, an electromagnetic heating roller is rotatably connected to the inside of the mounting frame, a first winding roller is rotatably connected to the inside of the first fixed plate, a second motor is installed on the front wall of the first fixed plate, an output shaft of the second motor passes through the first fixed plate and is fixedly connected to the first winding roller, a second winding roller is rotatably connected to the inside of the second fixed plate, a third motor is installed on the front wall of the second fixed plate, an output shaft of the third motor passes through the second fixed plate and is fixedly connected to the second winding roller, an electric push rod is arranged inside the workbench, an end face of the output shaft of the electric push rod is fixedly connected to a lifting platform, a mounting groove adapted to a polyethylene foam plate is provided on the top of the lifting platform, and a power control board is installed on one side of the workbench.

[0007] By adopting the above technical solution, the polyethylene foam board can be installed through the installation groove on the lifting platform, and the electric push rod can push the lifting platform up until the polyethylene foam board is in contact with the polyethylene film. After the hot pressing is completed, the polyethylene film is melted by the electric heating wire, so that the polyethylene film completely covers the polyethylene foam board. At this time, a rectangular hole will be generated at the melting point of the polyethylene film, and it will not be broken. Afterwards, with the cooperation of the first winding roller and the second winding roller, the position of the rectangular hole is moved, and the polyethylene film with the hole is wound up. This operation can be repeated later, which is convenient and practical.

[0008] Optionally, an electric heating wire is provided on the top end surface of the lifting platform.

[0009] The adoption of the above technical solution is beneficial to the fusing of the polyethylene film.

[0010] Optionally, a through rectangular notch is provided in the middle of the workbench.

[0011] The adoption of the technical solution is conducive to the normal lifting of the lifting platform.

[0012] Optionally, two guide rods are provided on the sliding block, and the two guide rods are respectively located on both sides of the screw rod, and the two ends of the screw rod are respectively fixedly connected to the inner walls of the two ends of the beam.

[0013] By adopting the above technical solution, the slider can slide smoothly on the screw rod under the action of the guide rod.

[0014] Optionally, the front wall of the workbench is rotatably connected to a sealed door via a hinge.

[0015] By adopting the above technical solution, the workbench can be opened through the sealed door to maintain the internal equipment.

[0016] Optionally, a polyethylene film is wound around both the first winding roller and the second winding roller, and the width of the polyethylene film is greater than the width of the lifting platform.

[0017] By adopting the above technical solution, the overall disconnection phenomenon when the polyethylene film is melted can be avoided.

[0018] Optionally, there are two electric push rods, and the two electric push rods are symmetrically arranged on the left and right.

[0019] By adopting the above technical solution, the stability of the lifting platform during lifting is ensured.

[0020] Optionally, through grooves are symmetrically provided on the first fixing plate and the second fixing plate.

[0021] The adoption of the technical solution is beneficial to the installation of the first winding roller and the second winding roller.

[0022] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0023] The technical solution of the present application can install the polyethylene foam board through the installation groove on the lifting platform, and the electric push rod can push the lifting platform up until the polyethylene foam board is in contact with the polyethylene film. After the hot pressing is completed, the polyethylene film is melted by the electric heating wire, so that the polyethylene film completely covers the polyethylene foam board. At this time, a rectangular hole will be generated at the melting point of the polyethylene film, and it will not be broken. Afterwards, with the cooperation of the first winding roller and the second winding roller, the position of the rectangular hole is moved, and the polyethylene film with the hole is wound up. This operation can be repeated later, which is convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0025] Figure 1 This is a schematic diagram of the internal structure of a polyethylene hot pressing molding device of the utility model;

[0026] Figure 2 This is a schematic diagram of the overall structure of a polyethylene hot pressing molding device of the utility model;

[0027] Figure 3 This is a schematic diagram of the structure of a crossbeam of a polyethylene hot pressing molding device according to the utility model, viewed from above;

[0028] Figure 4 The utility model is a schematic diagram of the top view of the lifting platform of the polyethylene hot pressing molding equipment.

[0029] In the figure: 1. first winding roller; 2. first motor; 3. first fixed plate; 4. second motor; 5. mounting frame; 6. electromagnetic heating roller; 7. crossbeam; 8. slider; 9. second winding roller; 10. second fixed plate; 11. third motor; 12. workbench; 13. electric push rod; 14. lifting platform; 15. mounting slot; 16. power control board; 17. sealing door; 18. electric heating wire; 19. screw rod; 20. guide rod. DETAILED DESCRIPTION

[0030] See also Figure 1-4 The utility model provides a technical solution: a polyethylene hot pressing molding equipment, including a workbench 12, the top two sides of the workbench 12 are respectively fixedly connected with a first fixed plate 3 and a second fixed plate 10, a crossbeam 7 is fixedly connected between the first fixed plate 3 and the second fixed plate 10, a first motor 2 is installed on the outer wall of one side of the first fixed plate 3, the output shaft of the first motor 2 is passed through the first fixed plate 3 to the inside of the crossbeam 7 and is fixedly connected with a screw rod 19, a slider 8 is threadedly slidably on the screw rod 19, the bottom end of the slider 8 is fixedly connected with a mounting frame 5, the inside of the mounting frame 5 is rotatably connected with an electromagnetic heating roller 6, and the inside of the first fixed plate 3 is rotatably connected with a first winding roller 6. Roller 1, a second motor 4 is installed on the front wall of the first fixed plate 3, the output shaft of the second motor 4 passes through the first fixed plate 3 and is fixedly connected to the first winding roller 1, the second fixed plate 10 is internally rotatably connected to the second winding roller 9, a third motor 11 is installed on the front wall of the second fixed plate 10, the output shaft of the third motor 11 passes through the second fixed plate 10 and is fixedly connected to the second winding roller 9, an electric push rod 13 is arranged inside the workbench 12, the end face of the output shaft of the electric push rod 13 is fixedly connected to a lifting platform 14, the top of the lifting platform 14 is provided with a mounting groove 15 adapted to the polyethylene foam board, and a power control board 16 is installed on one side of the workbench 12.

[0031] In the technical solution of the utility model, if Figure 4 As shown, the top end surface of the lifting platform 14 is provided with an electric heating wire 18, which is helpful for melting the polyethylene film.

[0032] In the technical solution of the utility model, if Figure 1 As shown, a through rectangular slot is provided in the middle of the workbench 12 , which is beneficial for the normal lifting of the lifting platform 14 .

[0033] In the technical solution of the utility model, if Figure 3As shown, two guide rods 20 are provided on the slider 8, and the two guide rods 20 are respectively located on both sides of the screw rod 19, and the two ends of the screw rod 19 are respectively fixedly connected to the inner walls of the two ends of the beam 7; under the action of the guide rods 20, the slider 8 can slide smoothly on the screw rod 19.

[0034] In the technical solution of the utility model, if Figure 2 As shown, the front wall of the workbench 12 is rotatably connected to a sealed door 17 via a hinge; the workbench 12 can be opened through the sealed door 17 to perform maintenance on the internal equipment.

[0035] In the technical solution of the utility model, if Figure 1 As shown, polyethylene film is wound around the first winding roller 1 and the second winding roller 9, and the width of the polyethylene film is greater than the width of the lifting platform 14, which can avoid the overall disconnection of the polyethylene film when it is melted.

[0036] In the technical solution of the utility model, if Figure 1 As shown, there are two electric push rods 13, which are symmetrically arranged on the left and right, which is conducive to the smooth lifting of the lifting platform 14.

[0037] In the technical solution of the utility model, if Figure 1 As shown, the first fixing plate 3 and the second fixing plate 10 are symmetrically provided with through grooves, which are beneficial to the installation of the first winding roller 1 and the second winding roller 9 .

[0038] When in use, first install the polyethylene foam board in the installation groove 15 on the lifting platform 14, start the electric push rod 13 through the power control board 16, and the electric push rod 13 can push the lifting platform 14 to rise until the polyethylene foam board is in contact with the polyethylene film, and complete the hot pressing operation through the electromagnetic heating roller 6, and then the polyethylene film is melted by the electric heating wire 18, so that the polyethylene film completely covers the polyethylene foam board. At this time, a rectangular hole will be generated at the melting point of the polyethylene film, and it will not be broken. Then, with the cooperation of the first winding roller 1 and the second winding roller 9, the position of the rectangular hole on the polyethylene film is moved, and the polyethylene film with the hole is wound up, and this operation can be repeated later, which is convenient and practical.

[0039] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A polyethylene hot pressing molding device, characterized in that: The workbench (12) comprises a workbench (12), wherein the top sides of the workbench (12) are respectively fixedly connected to a first fixed plate (3) and a second fixed plate (10), a crossbeam (7) is fixedly connected between the first fixed plate (3) and the second fixed plate (10), a first motor (2) is installed on an outer wall of one side of the first fixed plate (3), an output shaft of the first motor (2) is passed through the first fixed plate (3) to the inside of the crossbeam (7) and is fixedly connected to a lead screw (19), a slider (8) is threadedly slidably provided on the lead screw (19), a mounting frame (5) is fixedly connected to the bottom end of the slider (8), an electromagnetic heating roller (6) is rotatably connected to the inside of the mounting frame (5), a first winding roller (1) is rotatably connected to the inside of the first fixed plate (3), and the first fixed plate (3) is rotatably connected to the inside of the first fixed plate (3). A second motor (4) is installed on the front wall of the workbench (12); the output shaft of the second motor (4) passes through the first fixed plate (3) and is fixedly connected to the first winding roller (1); the second fixed plate (10) is rotatably connected to the second winding roller (9); a third motor (11) is installed on the front wall of the second fixed plate (10); the output shaft of the third motor (11) passes through the second fixed plate (10) and is fixedly connected to the second winding roller (9); an electric push rod (13) is arranged inside the workbench (12); the end surface of the output shaft of the electric push rod (13) is fixedly connected to a lifting platform (14); a mounting groove (15) adapted to a polyethylene foam plate is provided at the top of the lifting platform (14); and a power control panel (16) is installed on one side of the workbench (12).

2. A polyethylene hot pressing molding equipment according to claim 1, characterized in that: An electric heating wire (18) is provided on the top end surface of the lifting platform (14).

3. A polyethylene hot pressing molding equipment according to claim 1, characterized in that: A through rectangular notch is provided at the middle of the workbench (12).

4. A polyethylene hot pressing molding equipment according to claim 1, characterized in that: Two guide rods (20) are provided on the slider (8), and the two guide rods (20) are respectively located on both sides of the screw rod (19), and the two ends of the screw rod (19) are respectively fixedly connected to the inner walls of the two ends of the crossbeam (7).

5. The polyethylene hot pressing molding equipment according to claim 1, characterized in that: The front wall of the workbench (12) is rotatably connected to a sealed door (17) via a hinge.

6. The polyethylene hot pressing molding equipment according to claim 1, characterized in that: A polyethylene film is wound around the first winding roller (1) and the second winding roller (9), and the width of the polyethylene film is greater than the width of the lifting platform (14).

7. The polyethylene hot pressing molding equipment according to claim 1, characterized in that: A total of two electric push rods (13) are provided, and the two electric push rods (13) are symmetrically arranged on the left and right.

8. The polyethylene hot pressing molding equipment according to claim 1, characterized in that: The first fixing plate (3) and the second fixing plate (10) are symmetrically provided with through grooves.

Images