Sheet film laminating device

Abstract

The utility model discloses a sheet laminating device, and belongs to the field of sheet laminating, the sheet laminating device comprises a rack, two driving rollers arranged in parallel are rotatably mounted between the opposite inner side surfaces of the rack, a conveying belt is wound on the peripheral surfaces of the two driving rollers, a motor I is arranged on the rack, and a motor II is arranged on the motor I; an output shaft of the first motor is fixedly connected with one end of one transmission roller, mounting tables are fixed to the two sides of the top face of the rack, two supporting tables are arranged on the top face of one mounting table, a film unwinding roller is rotationally installed on the side face of one supporting table, a covering film is wound on the film unwinding roller, and a winding roller is rotationally installed on the side face of the other supporting table. Wherein a second motor is arranged on one supporting table, an output shaft of the second motor is fixedly connected with one end of the winding roller, a pressing roller is rotationally installed between the two installation tables, an annular cavity is formed in the pressing roller, and a heating wire is arranged in the annular cavity. The laminating device has the effect of conveniently laminating the laminating film on the surface of the sheet.

Description

Technical Field

[0001] The present application relates to the technical field of sheet material lamination, and in particular to a sheet material lamination device. Background Art

[0002] PET sheets are highly crystalline polymers with a smooth and glossy surface. They have excellent physical and mechanical properties in a wide temperature range, and have good creep resistance, fatigue resistance, friction resistance, and dimensional stability. In order to protect PET sheets from scratches and contamination during production, transportation, storage, or processing, operators generally use laminating devices to laminarize PET sheets. Laminating devices play an extremely important role in protecting PET sheets.

[0003] An existing sheet coating device comprises a frame, two driving rollers arranged parallel to each other are rotatably installed between the opposite inner sides of the frame, and a conveyor belt is wound around the outer circumference of the two driving rollers, a motor 1 is arranged on the side wall of the frame, and the output shaft of the motor 1 is fixedly connected to one end of one of the driving rollers, mounting platforms are fixed on both sides of the top surface of the frame, and two supporting platforms are fixed on the top surface of one of the mounting platforms, a film placing roller is rotatably installed on the side of one of the supporting platforms, and a coating film is wound on the film placing roller, and a winding roller is rotatably installed on the side of the other mounting platform, and a motor 2 is fixed on the side of the support platform, and the output shaft of the motor 2 is fixedly connected to one end of the winding roller, and a pressing roller is rotatably installed between the two mounting platforms.

[0004] In the above-mentioned related technology, the sheet is placed on a conveyor belt for transportation, and then the coating is passed around a pressing roller, and the side of the coating with glue is pressed onto the surface of the sheet by the pressing roller. Since the coating is placed on the film placing roller for a long time, the glue on the coating may solidify, making it inconvenient for the pressing roller to press the coating onto the surface of the sheet. Utility Model Content

[0005] In order to improve the problem that the coating film is placed on the film placing roller for a long time, which may cause the glue on the coating film to solidify, making it inconvenient for the pressing roller to press the coating film onto the sheet surface, the present application provides a sheet coating device.

[0006] The sheet laminating device provided in this application adopts the following technical solution:

[0007] The transmission mechanism is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that the transmission mechanism of the present invention is a kind of transmission mechanism that

[0008] By adopting the above technical scheme, a sheet is placed on a conveyor belt, and then motor one is started, and the output shaft of motor one drives the transmission roller to rotate, and the transmission roller drives the conveyor belt to rotate, so that the conveyor belt conveys the sheet, and then the coating on the film placing roller passes through the pressing roller, so that the side of the coating roller with glue is attached to the surface of the sheet, and then the protective film on the coating surface is lifted up and wound on the winding roller, and then motor two is started, so that the output shaft of motor two drives the winding roller to rotate, so that the winding roller lifts up the protective film on the coating surface and winds it on the winding roller during the rotation process, when the winding roller lifts up the protective film on the coating surface during the rotation process, the coating is also pulled to move by the protective film, so that the protective film on the coating surface is lifted up, and the coating is pressed on the surface of the sheet through the pressing roller, and when the coating passes through the pressing roller, the heating wire in the pressing roller heats the pressing roller, so that the pressing roller heats the coating, so that the glue on the side of the coating close to the sheet melts, thereby facilitating the coating to be attached to the surface of the sheet.

[0009] Preferably, the sides of the two mounting platforms close to each other are each provided with a slide groove, a slider is vertically slidably arranged in the slide groove, the two ends of the laminating roller are respectively rotatably installed on the sides of the two sliders close to each other, a screw is rotatably installed on the top surface of the slider, the top end of the screw passes through the top surface of the mounting platform, the screw is threadedly connected to the mounting platform, and a rotating handle is fixed to the top end of the screw.

[0010] By adopting the above technical solution, by rotating handle 1, the rotating handle 1 drives screw 1 to rotate, so that screw 1 moves vertically, screw 1 drives slider 1 to move vertically, and slider 1 drives the lamination roller to move vertically, so that the lamination roller can press the film on the surface of sheets with different thicknesses.

[0011] Preferably, guide blocks 1 are fixed on both side surfaces of the sliding block 1, guide grooves 1 are provided on the opposite inner side surfaces of the sliding grooves 1, and the guide blocks 1 are vertically slidably arranged in the guide grooves 1.

[0012] By adopting the above technical solution, when the slider 1 moves vertically, the slider 1 drives the guide block 1 to move vertically in the guide groove 1, so that the slider 1 drives the laminating roller to move vertically more stably.

[0013] Preferably, two pressure rollers are rotatably mounted between the opposite inner sides of the two mounting platforms, and the two pressure rollers are located on the side of the pressing roller away from the input end of the conveyor belt.

[0014] By adopting the above technical solution, two pressure rollers are arranged on one side of the laminating roller, and the coating is pressed onto the surface of the sheet again by the two pressure rollers, thereby improving the efficiency of the coating bonding onto the surface of the sheet.

[0015] Preferably, two slide grooves 2 are provided on opposite sides of the two mounting platforms, and two sliders 2 are provided in the two slide grooves 2 for vertical sliding. The two ends of the pressure roller are rotatably installed on the opposite sides of the two sliders 2, and a screw rod 2 is rotatably installed on the top surface of the slider 2. The top end of the screw rod 2 passes through the top surface of the mounting platform, the screw rod 2 is threadedly connected to the mounting platform, and a rotating handle 2 is fixed on the top end of the screw rod 2.

[0016] By adopting the above technical solution, the second handle is rotated, and the second handle drives the second screw to rotate, so that the second screw moves vertically, the second screw drives the second slider to move vertically, and the second slider drives the pressure roller to move vertically, so that the pressure roller adapts to the pressing roller to press the film on sheets of different thicknesses.

[0017] Preferably, a mounting rod is fixed between the two mounting platforms, a through groove is provided on the top surface of the mounting rod, a cutter is vertically slidably arranged in the through groove, cylinders are fixed on both sides of the top surface of the mounting rod, and the bottom end of the cylinder piston rod is fixed to the top surface of the cutter.

[0018] By adopting the above technical solution, when the remaining film needs to be detached from the sheet after the film is pasted on the sheet, the two cylinders are started at the same time so that the piston rods of the two cylinders drive the cutter to move downward, thereby cutting off the remaining film.

[0019] Preferably, a rotating shaft is fixed between the two mounting platforms, the rotating shaft is located on a side of the two pressure rollers away from the lamination roller, and baffles are provided at both ends of the rotating shaft.

[0020] By adopting the above technical solution, when the conveyor belt conveys the sheet, the sheet is located between the two baffles, thereby reducing the possibility of the conveyor belt causing the sheet to move and deviate when conveying the sheet, thereby facilitating the lamination to adhere to the surface of the sheet.

[0021] Preferably, the outer circumferential surface of the rotating shaft is sleeved with two rotating cylinders, the two rotating cylinders are respectively threadedly connected to the rotating shaft, the two baffles are located between the two rotating cylinders, and the end surfaces of the two rotating cylinders close to each other are respectively fixedly connected to the side surfaces of the two baffles away from each other.

[0022] By adopting the above technical solution, the two rotating cylinders are rotated respectively, so that the two rotating cylinders respectively drive the two baffles to move along the axial direction of the rotating shaft, thereby facilitating the two baffles to guide sheets of different widths.

[0023] In summary, the present application includes at least one of the following beneficial technical effects:

[0024] 1. Put the sheet on the conveyor belt, then start the motor 1, the output shaft of the motor 1 drives the driving roller to rotate, the driving roller drives the conveyor belt to rotate, so that the conveyor belt conveys the sheet, and then the film on the film placing roller passes through the pressing roller, so that the side of the film roller with glue is attached to the surface of the sheet, and then the protective film on the film surface is lifted and wound on the winding roller, and then start the motor 2, so that the output shaft of the motor 2 drives the winding roller to rotate, so that the winding roller lifts the protective film on the film surface and winds it on the winding roller during the rotation. When the winding roller lifts the protective film on the film surface during the rotation, the film is also pulled to move by the protective film, so that the protective film on the film surface is lifted and the film is pressed on the surface of the sheet through the pressing roller. When the film passes the pressing roller, the heating wire in the pressing roller heats the pressing roller, so that the pressing roller heats the film, so that the glue on the side of the film close to the sheet melts, so that the film is easy to be attached to the surface of the sheet;

[0025] 2. By rotating the handle 1, the handle 1 drives the screw 1 to rotate, so that the screw 1 moves vertically, the screw 1 drives the slider 1 to move vertically, and the slider 1 drives the laminating roller to move vertically, so that the laminating roller can press the film on the surface of sheets with different thicknesses;

[0026] 3. Two pressure rollers are arranged on one side of the laminating roller, and the coating is pressed onto the surface of the sheet again by the two pressure rollers, thereby improving the efficiency of the coating bonding onto the surface of the sheet. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of the sheet laminating device according to an embodiment of the present application.

[0028] Figure 2 It is a cross-sectional view of the mounting platform in the embodiment of the present application.

[0029] Figure 3 It is a cross-sectional view of the lamination roller in the embodiment of the present application.

[0030] Figure numerals: 1, frame; 11, transmission roller; 12, conveyor belt; 13, motor one; 2, mounting table; 21, support table; 22, film placing roller; 23, winding roller; 24, laminating; 25, motor two; 3, pressing roller; 31, annular cavity; 32, heating wire; 33, slide groove one; 34, slider one; 35, guide block one; 36, guide groove one; 37, screw one; 38, rotating handle one; 4, pressure roller; 41, slide groove two; 42, slider two; 43, screw two; 44, rotating handle two; 5, mounting rod; 51, through groove; 52, cutter; 53, cylinder; 6, rotating shaft; 61, baffle; 62, rotating cylinder. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-3 This application is described in further detail.

[0032] The embodiment of the present application discloses a sheet material laminating device.

[0033] Reference Figure 1 A sheet coating device includes a frame 1, two mutually parallel transmission rollers 11 are rotatably installed between the opposite inner sides of the frame 1, and a conveyor belt 12 for conveying sheets is wound around the outer circumference of the two transmission rollers 11. A motor 13 is fixed on the side wall of the frame 1, and the output shaft of the motor 13 is fixedly connected to one end of one of the transmission rollers 11.

[0034] Reference Figure 1 , mounting platforms 2 are fixed on both sides of the top surface of the frame 1, and two supporting platforms 21 are fixed on the top surface of one of the mounting platforms 2, and a film placing roller 22 is rotatably mounted on the side of one of the supporting platforms 21, and a coating film 24 is wound around the outer peripheral surface of the film placing roller 22. A winding roller 23 is rotatably mounted on the side of the other supporting platform 21, and a motor 25 is fixed on the side of one of the supporting platforms 21, and the output shaft of the motor 25 is fixedly connected to one end of the winding roller 23.

[0035] Reference Figure 1 , Figure 2 and Figure 3 , the sides of the two mounting platforms 2 close to each other are provided with a slide groove 33, and a slider 34 is installed in the two slide grooves 33 along the vertical sliding direction, and a pressing roller 3 is rotatably installed between the two sliders 34, and an annular cavity 31 is provided in the pressing roller 3, and a heating wire 32 is fixed in the annular cavity 31. Guide blocks 35 are fixed on both sides of the slider 34, and a guide groove 36 is provided on the opposite inner side of the slide groove 33, and the guide block 35 is installed in the guide groove 36 along the vertical sliding direction. A screw rod 37 is rotatably installed on the top surface of the slider 34, and the top end of the screw rod 37 passes through the top surface of the mounting platform 2, and the screw rod 37 is threadedly connected to the mounting platform 2, and a rotating handle 38 is fixed on the top end of the screw rod 37.

[0036] Reference Figure 1 and Figure 2 Two slide grooves 41 are provided on opposite sides of the two mounting platforms 2. The two slide grooves 41 are located on the side of the slide groove 33 away from the motor 13. Slide blocks 42 are vertically slidably arranged in the two slide grooves 41. The pressure roller 4 is rotatably mounted between the two opposite slide blocks 42. A screw rod 43 is rotatably mounted on the top surface of the slide block 42. The top of the screw rod 43 passes through the top surface of the mounting platform 2. The screw rod 43 is threadedly connected to the mounting platform 2. A handle 44 is fixed on the top of the screw rod 43.

[0037] Reference Figure 1 and Figure 2 A mounting rod 5 is fixed between the opposite sides of the two mounting platforms 2. The mounting rod 5 is located on the side of the pressure roller 4 away from the laminating roller 3. A through slot 51 is provided on the top surface of the mounting rod 5. The through slot 51 vertically penetrates the mounting rod 5. A cutter 52 is arranged below the mounting rod 5. Cylinders 53 are fixed on both sides of the top surface of the mounting rod 5. The bottom end of the piston rod of the cylinder 53 passes through the through slot 51 and is fixed to the top surface of the cutter 52. A rotating shaft 6 is fixed between the opposite sides of the two mounting platforms 2. The rotating shaft 6 is located between the cutter 52 and the pressure roller 4. Two baffles 61 are sleeved on the outer circumference of the rotating shaft 6. The baffles 61 can rotate along the circumference of the rotating shaft 6 and move along the axial direction of the rotating shaft 6. Two rotating cylinders 62 are sleeved on the outer circumference of the rotating shaft 6. The rotating cylinder 62 is threadedly connected to the rotating shaft 6. The two baffles 61 are located between the two rotating cylinders 62. The end surfaces of the two rotating cylinders 62 that are close to each other are respectively fixedly connected to the sides of the two baffles 61 that are away from each other.

[0038] The implementation principle of a sheet coating device in an embodiment of the present application is as follows: when a sheet needs to be coated 24, the sheet is placed on the conveyor belt 12, and then the motor 13 is started, the output shaft of the motor 13 drives the transmission roller 11 to rotate, the transmission roller 11 drives the conveyor belt 12 to rotate, so that the conveyor belt 12 conveys the sheet, and then the coating 24 on the film placing roller 22 passes through the pressing roller 3, so that the side of the coating 24 with glue is adhered to the surface of the sheet, and then the protective film on the surface of the coating 24 is lifted up and wound around the winding roller 23, and then the motor 2 25 is started, and the motor 2 is turned on. The output shaft of 25 drives the winding roller 23 to rotate, so that the winding roller 23 lifts up the protective film on the surface of the coating 24 during the rotation. When the protective film on the coating 24 is lifted up, the protective film also pulls the coating 24 out from the film-releasing roller 22 at the same time, so that the pressing roller 3 presses the coating 24 onto the surface of the sheet. When the coating 24 passes through the pressing roller 3, the heating wire 32 in the pressing roller 3 heats the pressing roller 3, so that the pressing roller 3 heats the coating 24, and the glue on the side of the coating 24 close to the sheet melts, thereby facilitating the coating 24 to be attached to the surface of the sheet.

[0039] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A sheet coating device, characterized in that: The machine comprises a frame (1), two mutually parallel transmission rollers (11) are rotatably mounted between opposite inner side surfaces of the frame (1), a conveyor belt (12) is wound around the outer peripheral surfaces of the two transmission rollers (11), a motor (13) is arranged on the frame (1), an output shaft of the motor (13) is fixedly connected to one end of one of the transmission rollers (11), mounting platforms (2) are fixed on both sides of the top surface of the frame (1), two support platforms (21) are arranged on the top surface of one of the mounting platforms (2), and one of the support platforms (21) is provided with a plurality of support platforms (21). A film-releasing roller (22) is rotatably mounted on the side of one of the support platforms (21), and a coating film (24) is wound on the film-releasing roller (22); a winding roller (23) is rotatably mounted on the side of the other support platform (21); a second motor (25) is provided on one of the support platforms (21), and an output shaft of the second motor (25) is fixedly connected to one end of the winding roller (23); a pressing roller (3) is rotatably mounted between the two mounting platforms (2), and an annular cavity (31) is provided in the pressing roller (3), and a heating wire (32) is provided in the annular cavity (31).

2. A sheet laminating device according to claim 1, characterized in that: The sides of the two mounting platforms (2) close to each other are each provided with a slide groove (33), a slider (34) is vertically slidably arranged in the slide groove (33), the two ends of the pressing roller (3) are respectively rotatably mounted on the sides of the two sliders (34) close to each other, a screw rod (37) is rotatably mounted on the top surface of the slider (34), the top end of the screw rod (37) passes through the top surface of the mounting platform (2), the screw rod (37) is threadedly connected to the mounting platform (2), and a rotating handle (38) is fixed to the top end of the screw rod (37).

3. A sheet laminating device according to claim 2, characterized in that: Guide blocks 1 (35) are fixed on both sides of the sliding block 1 (34), and guide grooves 1 (36) are provided on the opposite inner sides of the sliding groove 1 (33), and the guide blocks 1 (35) are vertically slidably arranged in the guide grooves 1 (36).

4. A sheet laminating device according to claim 1, characterized in that: Two pressure rollers (4) are rotatably mounted between the opposite inner sides of the two mounting platforms (2), and the two pressure rollers (4) are located on the side of the pressing roller (3) away from the input end of the conveyor belt (12).

5. A sheet laminating device according to claim 4, characterized in that: Two slide grooves (41) are provided on opposite sides of the two mounting platforms (2), and two sliders (42) are provided in the two slide grooves (41) for vertical sliding movement. The two ends of the pressure roller (4) are respectively rotatably mounted on the opposite sides of the two sliders (42), and a screw rod (43) is rotatably mounted on the top surface of the slider (42). The top end of the screw rod (43) passes through the top surface of the mounting platform (2), and the screw rod (43) is threadedly connected to the mounting platform (2). A rotating handle (44) is fixed on the top end of the screw rod (43).

6. A sheet laminating device according to claim 1, characterized in that: A mounting rod (5) is fixed between the two mounting platforms (2), a through slot (51) is provided on the top surface of the mounting rod (5), a cutter (52) is vertically slidably arranged in the through slot (51), cylinders (53) are fixed on both sides of the top surface of the mounting rod (5), and the bottom end of the piston rod of the cylinder (53) is fixed to the top surface of the cutter (52).

7. A sheet laminating device according to claim 5, characterized in that: A rotating shaft (6) is fixed between the two mounting platforms (2), and the rotating shaft (6) is located on a side of the two pressure rollers (4) away from the lamination roller (3), and baffles (61) are provided at both ends of the rotating shaft (6).

8. A sheet laminating device according to claim 7, characterized in that: Two rotating cylinders (62) are sleeved on the outer circumference of the rotating shaft (6), and the two rotating cylinders (62) are respectively threadedly connected to the rotating shaft (6). The two baffles (61) are located between the two rotating cylinders (62), and the end surfaces of the two rotating cylinders (62) close to each other are respectively fixedly connected to the side surfaces of the two baffles (61) away from each other.

Images