EVA (Ethylene Vinyl Acetate) sheet flattening device

Abstract

The utility model relates to the technical field of EVA sheet production, and discloses an EVA sheet flattening device which comprises a flattening table, a top frame is fixedly connected to the outer surface of the top of the flattening table, a first electric sliding rail is fixedly installed on the outer surface of the bottom of the top frame downwards, a first electric push rod is fixedly installed at the output end of the first electric sliding rail, and a second electric push rod is fixedly installed at the output end of the first electric push rod. A vertical plate is fixedly connected to the outer surface of the bottom of the connecting plate, a rotating plate is rotatably connected to the outer surface of the vertical plate, a first inverted-U-shaped frame is rotatably connected to the outer surface of the rotating plate, and a flattening roller is rotatably connected to the outer surface of the first inverted-U-shaped frame. According to the flattening device, the first electric push rod drives the flattening roller to make contact with the surface of the EVA sheet, along with work of the first electric push rod, the flattening roller expands towards the two ends, the spring deforms, the surface of the EVA sheet is flattened, the EVA sheet is flattened from the middle to the two ends, and the flattening effect is improved.

Description

Technical Field

[0001] This utility model relates to the field of EVA sheet production technology, specifically to an EVA sheet flattening device. Background Technology

[0002] EVA sheets are plate-shaped or sheet-shaped materials made of ethylene-vinyl acetate copolymer. EVA sheets are widely used in many fields, such as shoe materials, packaging, and toys. In the production process of EVA sheets, it is necessary to level the surface of the EVA sheets.

[0003] In the prior art, when flattening the sheet, a flattening roller is usually used to contact the surface of the EVA sheet to flatten the surface of the EVA. The flattening roller moves from one end to the other. As the flattening roller moves, the EVA sheet may have different flatness at the two ends due to its own extensibility. Therefore, an EVA sheet flattening device is proposed. Utility Model Content

[0004] In view of the shortcomings of the prior art, this utility model provides an EVA sheet flattening device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an EVA sheet flattening device, comprising a flattening table, a top frame fixedly connected to the top outer surface of the flattening table, a first electric slide rail fixedly installed on the bottom outer surface of the top frame facing downwards, a first electric push rod fixedly installed at the output end of the first electric slide rail, a connecting plate fixedly connected to the output end of the first electric push rod, a vertical plate fixedly connected to the bottom outer surface of the connecting plate, a rotating plate rotatably connected to the outer surface of the vertical plate, a first inverted U-shaped frame rotatably connected to the outer surface of the rotating plate, and a flattening roller rotatably connected to the outer surface of the first inverted U-shaped frame.

[0006] Furthermore, a portal frame is fixedly connected to the top outer surface of the flattening platform, an adjusting screw is threaded through the outer surface of the portal frame, a knob is fixedly connected to the top outer surface of the adjusting screw, a second inverted U-shaped frame is rotatably connected to the end of the adjusting screw away from the knob, an electrostatic adsorption roller is rotatably connected between the opposite outer surfaces of the left and right sides of the second inverted U-shaped frame, a motor is fixedly installed on the outer surface of the second inverted U-shaped frame, and the output end of the motor is fixedly connected to the electrostatic adsorption roller.

[0007] Furthermore, a conveyor belt is provided on the top outer surface of the flattening platform, and the gantry frame is located above one end of the conveyor belt.

[0008] Furthermore, two staggered second electric slide rails are fixedly installed on the top downward outer surface of the flattening platform. A second electric push rod is fixedly installed at the output end of the second electric slide rail. A connecting frame is fixedly connected to the output end of the second electric push rod. A third inverted U-shaped frame is fixedly connected to one end of the connecting frame. A flattening roller is rotatably connected to the outer surface of the third inverted U-shaped frame.

[0009] Furthermore, a rotating seat is installed on the outer surface of each of the two rotating plates facing each other, and a spring is fixedly connected between the two rotating seats.

[0010] Furthermore, the outer surface of the portal frame is provided with a sliding rod, and the other end of the sliding rod is fixedly connected to the outer surface of the second inverted U-shaped frame.

[0011] Compared with the prior art, the beneficial effects of this utility model are:

[0012] 1. The EVA sheet flattening device uses a first electric push rod to drive the flattening roller to contact the surface of the EVA sheet. As the first electric push rod operates, the flattening roller expands to both ends, causing the spring to deform and smoothing the surface of the EVA sheet. It flattens the sheet from the middle to both ends, increasing the flattening effect.

[0013] 2. This EVA sheet leveling device uses a motor to drive an electrostatic adsorption roller to rotate, which adsorbs impurities on the surface of the EVA sheet, thus preventing impurities from affecting the quality of the EVA sheet. Attached Figure Description

[0014] Figure 1 This is a front view structural diagram of the present invention;

[0015] Figure 2 This is a schematic diagram of the structure of this utility model from below;

[0016] Figure 3 This is a schematic diagram of the portal frame and related structures of this utility model;

[0017] Figure 4 This utility model Figure 1 Enlarged structural diagram at point A in the middle.

[0018] In the diagram: 1. Leveling table; 2. Conveyor belt; 3. First electric slide rail; 4. First electric push rod; 5. Connecting plate; 6. Vertical plate; 7. Turning plate; 8. First inverted U-shaped frame; 9. Leveling roller; 10. Spring; 11. Gantry frame; 12. Adjusting screw; 13. Knob; 14. Second inverted U-shaped frame; 15. Electrostatic adsorption roller; 16. Motor; 17. Second electric slide rail; 18. Second electric push rod; 19. Connecting frame; 20. Flattening roller. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Example 1:

[0021] Please refer to the following: Figures 1-4 This utility model provides a technical solution: an EVA sheet flattening device, including a flattening table 1, a top frame fixedly connected to the top outer surface of the flattening table 1, a first electric slide rail 3 fixedly installed on the bottom outer surface of the top frame facing downwards, a first electric push rod 4 fixedly installed at the output end of the first electric slide rail 3, a connecting plate 5 fixedly connected to the output end of the first electric push rod 4, a vertical plate 6 fixedly connected to the bottom outer surface of the connecting plate 5, a rotating plate 7 rotatably connected to the outer surface of the vertical plate 6, a first inverted U-shaped frame 8 rotatably connected to the outer surface of the rotating plate 7, and a flattening roller 9 rotatably connected to the outer surface of the first inverted U-shaped frame 8. Specifically, the first electric push rod 4 drives the flattening roller 9 to adhere to the surface of the EVA sheet. As the flattening roller 9 contacts the surface of the EVA sheet, and as the first electric push rod 4 moves downwards, the included angle between the two rotating plates 7 changes, causing the flattening roller 9 to extend at both ends of the EVA sheet, smoothing the surface of the EVA sheet, and flattening it from the middle to both ends, increasing the flattening effect.

[0022] In this embodiment, a portal frame 11 is fixedly connected to the top outer surface of the flattening platform 1. An adjusting screw 12 is threaded through the outer surface of the portal frame 11. A knob 13 is fixedly connected to the top outer surface of the adjusting screw 12. A second inverted U-shaped frame 14 is rotatably connected to the end of the adjusting screw 12 away from the knob 13. An electrostatic adsorption roller 15 is rotatably connected between the opposite outer surfaces of the left and right sides of the second inverted U-shaped frame 14. A motor 16 is fixedly installed on the outer surface of the second inverted U-shaped frame 14. The output end of the motor 16 is fixedly connected to the electrostatic adsorption roller 15. Specifically, the adjusting screw 12 is rotated by the knob 13 to adjust the position of the electrostatic adsorption roller 15 so that it contacts the surface of the EVA sheet. The electrostatic adsorption roller 15 is driven to rotate by the motor 16, and the electrostatic adsorption roller 15 adsorbs impurities on the surface of the EVA sheet, thus avoiding impurities on the surface of the EVA sheet from affecting the quality of the EVA sheet.

[0023] In this embodiment, a conveyor belt 2 is provided on the top outer surface of the flattening platform 1, and a gantry frame 11 is located above one end of the conveyor belt 2. Specifically, the EVA sheet is conveyed by placing it on the conveyor belt 2.

[0024] In this embodiment, two staggered second electric slide rails 17 are fixedly installed on the top downward outer surface of the flattening table 1. A second electric push rod 18 is fixedly installed at the output end of the second electric slide rail 17. A connecting frame 19 is fixedly connected to the output end of the second electric push rod 18. A third inverted U-shaped frame is fixedly connected to one end of the connecting frame 19. A flattening roller 20 is rotatably connected to the outer surface of the third inverted U-shaped frame. Specifically, by operating the second electric push rod 18, the second electric push rod 18 drives the connecting frame 19 to make the flattening roller 20 contact the EVA sheet and press its two ends to prevent the EVA sheet from moving when flattening. The position of the flattening roller 20 can be adjusted according to actual needs by the second electric slide rail 17.

[0025] In this embodiment, rotating seats are installed on the outer surfaces of the two rotating plates 7 facing each other, and a spring 10 is fixedly connected between the two rotating seats. Specifically, when the included angle between the two rotating plates 7 changes, the spring 10 undergoes elastic deformation. When the first electric push rod 4 retracts, the spring 10 drives the two rotating plates 7 to reset.

[0026] In this embodiment, the outer surface of the portal frame 11 is provided with a sliding rod, and the other end of the sliding rod is fixedly connected to the outer surface of the second inverted U-shaped frame 14. Specifically, when the adjusting screw 12 is rotated, the sliding rod slides on the surface of the portal frame 11, and the second inverted U-shaped frame 14 is limited by the sliding rod to prevent the second inverted U-shaped frame 14 from rotating with the adjustment screw 12.

[0027] Working principle: In use, the EVA sheet is conveyed by the conveyor belt 2. When it reaches the area below the flattening roller 9, the first electric push rod 4 drives the flattening roller 9 to come into contact with the surface of the EVA sheet. As the flattening roller 9 comes into contact with the surface of the EVA sheet, the angle between the two rotating plates 7 changes as the first electric push rod 4 moves downward. This causes the flattening roller 9 to extend at both ends of the EVA sheet, smoothing the surface of the EVA sheet and flattening it from the middle to both ends, thus increasing the flattening effect. At the beginning of the flattening process, the second electric push rod 18 works, driving the connecting frame 19 to bring the pressing roller 20 into contact with the EVA sheet and press down on both ends, preventing the EVA sheet from moving during flattening.

[0028] When conveying EVA sheets, the EVA sheets pass through the electrostatic adsorption roller 15. The adjustment screw 12 is rotated by the knob 13 to adjust the position of the electrostatic adsorption roller 15 so that it contacts the surface of the EVA sheet. The electrostatic adsorption roller 15 is driven to rotate by the motor 16. The electrostatic adsorption roller 15 adsorbs impurities on the surface of the EVA sheet, so as to avoid impurities on the surface of the EVA sheet from affecting the quality of the EVA sheet.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An EVA sheet flattening device, comprising a flattening table (1), characterized in that: A top frame is fixedly connected to the top outer surface of the leveling platform (1). A first electric slide rail (3) is fixedly installed on the bottom outer surface of the top frame facing downwards. A first electric push rod (4) is fixedly installed at the output end of the first electric slide rail (3). A connecting plate (5) is fixedly connected to the output end of the first electric push rod (4). A vertical plate (6) is fixedly connected to the bottom outer surface of the connecting plate (5). A rotating plate (7) is rotatably connected to the outer surface of the vertical plate (6). A first inverted U-shaped frame (8) is rotatably connected to the outer surface of the rotating plate (7). A leveling roller (9) is rotatably connected to the outer surface of the first inverted U-shaped frame (8).

2. The EVA sheet flattening device according to claim 1, characterized in that: A portal frame (11) is fixedly connected to the top outer surface of the leveling platform (1). An adjusting screw (12) is threaded through the outer surface of the portal frame (11). A knob (13) is fixedly connected to the top outer surface of the adjusting screw (12). A second inverted U-shaped frame (14) is rotatably connected to the end of the adjusting screw (12) away from the knob (13). An electrostatic adsorption roller (15) is rotatably connected between the opposite outer surfaces on the left and right sides of the second inverted U-shaped frame (14). A motor (16) is fixedly installed on the outer surface of the second inverted U-shaped frame (14). The output end of the motor (16) is fixedly connected to the electrostatic adsorption roller (15).

3. The EVA sheet flattening device according to claim 2, characterized in that: The top outer surface of the leveling platform (1) is provided with a conveyor belt (2), and the gantry frame (11) is located above one end of the conveyor belt (2).

4. The EVA sheet flattening device according to claim 1, characterized in that: Two staggered second electric slide rails (17) are fixedly installed on the top downward outer surface of the flattening platform (1). A second electric push rod (18) is fixedly installed at the output end of the second electric slide rail (17). A connecting frame (19) is fixedly connected to the output end of the second electric push rod (18). A third inverted U-shaped frame is fixedly connected to one end of the connecting frame (19). A flattening roller (20) is rotatably connected to the outer surface of the third inverted U-shaped frame.

5. The EVA sheet flattening device according to claim 1, characterized in that: Rotating seats are mounted on the opposite outer surfaces of the two rotating plates (7), and a spring (10) is fixedly connected between the two rotating seats.

6. The EVA sheet flattening device according to claim 2, characterized in that: The outer surface of the portal frame (11) is provided with a sliding rod, and the other end of the sliding rod is fixedly connected to the outer surface of the second inverted U-shaped frame (14).

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