Packaging film forming equipment with angle adjustment function and control method thereof

Abstract

The present invention relates to a packaging film forming device with an angle adjustment function and a control method thereof, which belongs to the technical field of packaging film forming devices, including a mold bracket, a film forming mold assembly is provided on the upper part of the mold bracket, an embossing bracket is provided at the front end of the mold bracket, a cooling steel roller, an embossing steel roller and an embossing rubber roller are provided on the embossing bracket from left to right in sequence, a heating guide roller II is provided between the upper part of the embossing rubber roller and the film forming mold, a guide shaft is provided at the lower end of the embossing steel roller, and a plurality of steering shafts are provided between the rear end of the guide shaft and the heating guide roller II, and a mesh belt is provided in the embossing bracket that is wound around the heating guide roller II, the embossing rubber roller, the embossing steel roller, the cooling steel roller and the guide shaft. The film forming mold assembly includes a film forming mold, and a pair of rotating arms are provided between the two ends of the film forming mold and the mold bracket. The surface flatness and thickness consistency of the produced packaging film are guaranteed. The adjustment required by different working conditions can be achieved through angle adjustment, and at the same time, the maintenance of clearing glue can be achieved without disassembly.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging film molding equipment, and in particular to packaging film molding equipment with an angle adjustment function and a control method thereof. Background Art

[0002] Encapsulation film is a core auxiliary material in the photovoltaic field. It plays the role of bonding substrates and cells together to form photovoltaic modules. When producing photovoltaic films, they usually need to go through steps such as melt extrusion, flower roller embossing, and cooling and peeling. During the whole process, a conveyor belt is used to transport the film between devices in different processes.

[0003] The Chinese patent "A packaging film forming device and forming method", application number CN202210272154.0, discloses a film conveying device and a rolling device. The film conveying device includes a conveyor belt, at least one surface of the conveyor belt has a pattern structure, the film conveying device conveys the packaging film and causes the surface of the packaging film in contact with the conveyor belt to produce a surface pattern. The rolling device includes a first pressing roller, which is arranged on the side of the conveyor belt in contact with the packaging film and can move in a direction perpendicular to the conveyor belt. The present invention also discloses a packaging film forming method, which includes the steps of film extrusion, film conveying, and film slitting and winding. During the film transmission process, the interaction between the rolling device and the conveyor belt causes the surface of the packaging film to form a surface pattern.

[0004] The packaging film molding equipment in the prior art only involves conveying and embossing functions, but the liquid extruded by the mold will flow back. At the same time, the temperature of the conveyor belt changes greatly during operation, which easily leads to poor thickness uniformity of the packaging film. Summary of the invention

[0005] The present invention mainly solves the deficiencies in the prior art and provides a packaging film molding device with an angle adjustment function and a control method thereof, which has the characteristics of compact structure, good temperature control temperature and operation stability. The problems of poor thickness uniformity in the packaging film molding process and angle adjustment of the film molding mold are solved. The utilization rate of raw materials in the packaging film production process is improved, and the surface flatness and thickness consistency of the produced packaging film are ensured. The angle adjustment can realize the adjustment of different working conditions, and at the same time, it can realize the maintenance of cleaning glue without disassembly.

[0006] The above technical problems of the present invention are mainly solved by the following technical solutions: A packaging film forming device with an angle adjustment function comprises a mold support, a film forming mold assembly is arranged on the upper part of the mold support, an embossing support is arranged at the front end of the mold support, a cooling steel roller, an embossing steel roller and an embossing rubber roller are arranged on the embossing support in sequence from left to right, a heating guide roller II is arranged between the upper part of the embossing rubber roller and the film forming mold, a guide shaft is arranged at the lower end of the embossing steel roller, a plurality of steering shafts are arranged between the rear end of the guide shaft and the heating guide roller II, and a mesh belt is arranged inside the embossing support that winds around the heating guide roller II, the embossing rubber roller, the embossing steel roller, the cooling steel roller and the guide shaft. The film forming mold assembly comprises a film forming mold, a pair of rotating arms are arranged between the two ends of the film forming mold and the mold support, and a mold steering shaft is arranged between the upper parts of the two rotating arms.

[0007] Preferably, an opening and closing telescopic motor is provided on the side of the film forming mold, and a light rod for driving the film forming mold to open and close is provided between the opening and closing telescopic motor and the film forming mold, and a steering screw is provided between the upper part of the film forming frame and the rotating arms on both sides.

[0008] Preferably, both sides of the upper end of the film forming machine frame are provided with walking trolleys, lower connecting plates are provided between the walking trolleys and the rotating arms, an upper connecting plate is provided between the upper parts of the two walking trolleys, and a connecting screw locked with a nut is provided between the upper connecting plate and the lower connecting plate. A steering machine is provided between the two sides of the upper connecting plate and the steering screw, a connecting rod is provided between the steering machine, and connectors are provided between the two ends of the connecting rod and the steering machine.

[0009] The film forming mold can be moved forward and backward by the walking trolley, which is convenient for adjusting the film discharge position, disassembly and cleaning station of the film forming mold. The steering screw is driven by the steering gear, so that the rotating arm switches the film forming mold between 90 degrees and 45 degrees around the steering axis.

[0010] Preferably, a heating guide roller I is provided between the heating guide roller II and the embossing rubber roller, the heating guide roller I and the heating guide roller II are inclined at an angle of 3 to 5 degrees, a plurality of supporting rollers are provided between the heating guide roller I and the heating guide roller II, and a temperature regulating cover covering the heating guide roller I and the supporting rollers is provided at the upper end of the embossing bracket.

[0011] The heating guide rollers Ⅰ and Ⅱ adopt a height difference structure to prevent liquid backflow. The temperature regulating cover cooperates with the heating guide rollers Ⅰ and Ⅱ to ensure that the surface temperature of the film is constant, and the internal temperature is controllable and adjustable between 30℃ and 100℃.

[0012] Preferably, an angle adjustment component is provided between the heating guide roller I and the embossed steel roller, and the angle adjustment component includes an angle adjustment shaft, a screw threadedly sleeved and fixed to the mold bracket is provided at the lower end of the angle adjustment shaft, sliders threadedly sleeved and connected to the screw are provided between both ends of the angle adjustment shaft and the screw, and a handwheel is provided on the outer side of the mold bracket which is fixed by a retaining spring and inserted into the screw.

[0013] Preferably, a correction bracket for fixing the steering shaft is provided below the heating guide roller II, a correction instrument is provided on the correction bracket, an adjusting tensioning wheel connected to the mesh belt is provided at the rear end of the correction bracket, and a guide wheel pressed against the mesh belt is provided between the adjusting tensioning wheel and the heating guide roller II.

[0014] The deflection corrector drives the deflection correcting bracket to move left and right, and the deflection correcting adjustment range is 0±90mm, ensuring that the position of the mesh belt cannot move more than 5mm.

[0015] Preferably, a tape ironing plate is provided between the guide wheel and the adjusting tension wheel, and a tape ironing plate limiting member fixedly connected to the deviation correction bracket is provided between the tape ironing plate and the adjusting tension wheel.

[0016] Preferably, a roller closing cylinder for adjusting the distance between the embossing rubber roller and the embossing steel roller is provided at the rear end of the embossing rubber roller.

[0017] A control method for packaging film molding equipment with angle adjustment function includes the following operating steps: The first step: assemble the equipment and install the mesh belt in the embossing bracket. The mesh belt needs to pass through the heating guide roller, support roller, heating guide roller II, guide wheel, adjusting tension wheel, steering shaft, embossing rubber roller, guide shaft, cooling steel roller, embossing steel roller and angle adjustment assembly.

[0018] Step 2: Install the mesh belt, lay the ironing plate flat and support it through the ironing plate limiter, and adjust the tension of the mesh belt to achieve a taut state.

[0019] Step 3: Use the handwheel of the angle adjustment component to shake the screw rod so that the screw rod drives the slider to drive the angle adjustment shaft to move forward and backward to ensure that the mesh belt enters the angle between the embossed rubber roller and the embossed steel roller.

[0020] Step 4: The hot-melt packaging film is formed and extruded onto the mesh belt on the heated guide roller II through the film forming mold in the film forming mold assembly.

[0021] Step 5: The packaging film on the mesh belt passes through the heated guide roller I from the heated guide roller II, enters between the embossing rubber roller and the embossing steel roller for embossing, and then goes around the cooling steel roller for cooling and output to the next process for slitting and winding operations.

[0022] Preferably, when operation is required, the trolley runs to the top of the heating guide roller II, and drives the light rod to close and adjust the film forming mold through the opening and closing telescopic motor. At the same time, the steering gear drives the steering screw to contract and drives the film forming mold at the bottom of the rotating arm to work in a state where the angle between the angle and the ground is 45 degrees; when the work is completed and the glue needs to be cleaned or the mold is removed, the trolley runs to the end away from the heating guide roller II, and drives the light rod to open the film forming mold through the opening and closing telescopic motor. At the same time, the steering gear drives the steering screw to stretch and drives the film forming mold at the bottom of the rotating arm to work in a state where it is perpendicular to the ground.

[0023] The present invention can achieve the following effects: The present invention provides a packaging film forming device with an angle adjustment function and a control method thereof. Compared with the prior art, the device has the characteristics of compact structure, good temperature control and good operation stability. The device solves the problems of poor thickness uniformity in the packaging film forming process and angle adjustment of the film forming mold. The device improves the utilization rate of raw materials in the packaging film production process and ensures the surface flatness and thickness consistency of the produced packaging film. The device can be adjusted to meet different working conditions through angle adjustment, and can also be maintained without disassembly and assembly for cleaning. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a structural schematic diagram of the present invention.

[0025] Figure 2 It is a structural schematic diagram of the angle adjustment component of the present invention.

[0026] Figure 3 It is a side structural schematic diagram of the film forming mold assembly of the present invention.

[0027] Figure 4 It is a rear structural schematic diagram of the film forming mold assembly of the present invention.

[0028] In the figure: heating guide roller Ⅰ1, temperature regulating cover 2, supporting roller 3, mesh belt 4, mold bracket 5, film forming mold assembly 6, heating guide roller Ⅱ7, guide wheel 8, ironing plate 9, adjusting tension wheel 10, ironing plate limiter 11, deviation corrector 12, deviation correcting bracket 13, steering shaft 14, closing roller cylinder 15, embossing rubber roller 16, guide shaft 17, embossing bracket 18, cooling steel roller 19, embossing steel roller 20, angle adjustment assembly 21, hand wheel 22, screw rod 23, angle adjustment shaft 24, slider 25, trolley 26, trolley 27, connecting screw rod 28, lower connecting plate 29, mold steering shaft 30, rotating arm 31, film forming mold 32, light rod 33, steering screw rod 34, steering gear 35, connecting rod 36, opening and closing telescopic motor 37, connector 38. DETAILED DESCRIPTION

[0029] The technical solution of the invention is further specifically described below through embodiments and in conjunction with the accompanying drawings.

[0030] Example: Figure 1-4 As shown, a packaging film forming device with an angle adjustment function includes a mold support 5, a film forming mold assembly 6 is provided on the upper part of the mold support 5, an embossing support 18 is provided at the front end of the mold support 5, and a cooling steel roller 19, an embossing steel roller 20 and an embossing rubber roller 16 are provided on the embossing support 18 in sequence from left to right, and a roller closing cylinder 15 for adjusting the distance between the embossing rubber roller 16 and the embossing steel roller 20 is provided at the rear end of the embossing rubber roller 16. A heating guide roller II 7 is provided between the upper part of the embossing rubber roller 16 and the film forming mold 6, a guide shaft 17 is provided at the lower end of the embossing steel roller 20, and four steering shafts 14 are provided between the rear end of the guide shaft 17 and the heating guide roller II 7, and a mesh belt 4 is provided inside the embossing support 18, which is wound around the heating guide roller II 7, the embossing rubber roller 16, the embossing steel roller 20, the cooling steel roller 19, and the guide shaft 17. A deviation correction bracket 13 with a steering shaft 14 fixedly mounted is provided below the heating guide roller Ⅱ7, a deviation correction instrument 12 is provided on the deviation correction bracket 13, an adjustment tensioning wheel 10 wound around the mesh belt 4 is provided at the rear end of the deviation correction bracket 13, and a guide wheel 8 pressed against the mesh belt 4 is provided between the adjustment tensioning wheel 10 and the heating guide roller Ⅱ7. A hot tape plate 9 is provided between the guide wheel 8 and the adjustment tensioning wheel 10, and a hot tape plate stopper 11 fixedly connected to the deviation correction bracket 13 is provided between the hot tape plate 9 and the adjustment tensioning wheel 10. A heating guide roller Ⅰ1 is provided between the heating guide roller Ⅱ7 and the embossing rubber roller 16, the heating guide roller Ⅰ1 and the heating guide roller Ⅱ7 are inclined at an angle of 3.29 degrees, two support rollers 3 are provided between the heating guide roller Ⅰ1 and the heating guide roller Ⅱ7, and a temperature adjustment cover 2 covering the heating guide roller Ⅰ1 and the support roller 3 is provided at the upper end of the embossing bracket 18. An angle adjustment component 21 is provided between the heating guide roller Ⅰ1 and the embossed steel roller 20, and the angle adjustment component 21 includes an angle adjustment shaft 24, and a screw rod 23 threadedly sleeved and fixed to the mold bracket 5 is provided at the lower end of the angle adjustment shaft 24, and sliders 25 threadedly sleeved and connected to the screw rod 23 are provided between both ends of the angle adjustment shaft 24 and the screw rod 23, and a hand wheel 22 is provided on the outer side of the mold bracket 5 and is fixed to the screw rod 23 by a retaining spring limiting inserting method.

[0031] The film forming mold assembly 6 includes a film forming mold 32, a pair of rotating arms 31 are provided between the two ends of the film forming mold 32 and the mold support 5, and a mold steering shaft 30 is provided between the upper parts of the two rotating arms 31. An opening and closing telescopic motor 37 is provided on the side of the film forming mold 32, and a light rod 33 for driving the film forming mold 32 to open and close is provided between the opening and closing telescopic motor 37 and the film forming mold 32, and a steering screw 34 is provided between the upper part of the film forming frame 5 and the rotating arms 31 on both sides. A walking trolley 26 is provided on both sides of the upper end of the film forming frame 5, and a lower connecting plate 29 is provided between the walking trolley 26 and the rotating arm 31, an upper connecting plate 27 is provided between the upper parts of the two walking trolleys 26, and a connecting screw 28 locked with a nut is provided between the upper connecting plate 27 and the lower connecting plate 29. A steering machine 35 is provided between the two sides of the upper connecting plate 27 and the steering screw 34, a connecting rod 36 is provided between the steering machine 35, and a connector 38 is provided between the two ends of the connecting rod 36 and the steering machine 35.

[0032] A packaging film molding device with an angle adjustment function and a control method thereof, comprising the following operating steps: The first step: assemble the equipment and install the mesh belt 4 in the embossing bracket 18. The mesh belt 4 needs to pass around the heating guide roller 1, the supporting roller 3, the heating guide roller II 7, the guide wheel 8, the adjusting tension wheel 10, the steering shaft 14, the embossing rubber roller 16, the guide shaft 17, the cooling steel roller 19, the embossing steel roller 20 and the angle adjustment assembly 21.

[0033] Step 2: Install the mesh belt 4, lay the ironing plate 9 flat and support it through the ironing plate limiter 11, and adjust the tension of the mesh belt to achieve a taut state.

[0034] Step 3: Shake the screw rod 23 through the hand wheel 22 of the angle adjustment component 21, so that the screw rod 23 drives the slider 25 to drive the angle adjustment shaft 24 to move forward and backward, ensuring that the mesh belt 4 enters the angle between the embossed rubber roller 16 and the embossed steel roller 20.

[0035] Step 4: The hot-melt packaging film is formed and extruded onto the mesh belt 4 on the heated guide roller II 7 through the film forming mold 32 in the film forming mold assembly 6 .

[0036] Step 5: The packaging film on the mesh belt 4 passes through the heated guide roller Ⅰ1 from the heated guide roller Ⅱ7, enters between the embossing rubber roller 16 and the embossing steel roller 20 for embossing, and then goes around the cooling steel roller 19 for cooling and output to the next process for slitting and winding operations.

[0037] When operation is required, the traveling trolley 26 moves to the top of the heating guide roller Ⅱ7, and drives the light rod 33 to close and adjust the film forming mold 32 through the opening and closing telescopic motor 37. At the same time, the steering gear 35 drives the steering screw 34 to contract and drives the film forming mold 32 at the lower part of the rotating arm 31 to work in a state where the angle between the film forming mold 32 and the ground is 45 degrees; when the work is completed and the glue is cleaned or the mold is removed, the traveling trolley 26 moves to the end away from the heating guide roller Ⅱ7, and drives the light rod 33 to open the film forming mold 32 through the opening and closing telescopic motor 37. At the same time, the steering gear 35 drives the steering screw 34 to stretch and drives the film forming mold 32 at the lower part of the rotating arm 31 to work in a state where it is perpendicular to the ground.

[0038] In summary, the encapsulation film forming equipment with angle adjustment function and the control method thereof have the characteristics of compact structure, good temperature control temperature and operation stability. The problems of poor thickness uniformity in the encapsulation film forming process and angle adjustment of the film forming mold are solved. The utilization rate of raw materials in the encapsulation film production process is improved, and the surface flatness and thickness consistency of the produced encapsulation film are ensured. The angle adjustment can realize the adjustment of different working conditions, and at the same time, it can realize the maintenance of clearing glue without disassembly.

[0039] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are included in the patent scope of the present invention.

Claims

1. A packaging film forming device with angle adjustment function, characterized in that: The invention comprises a mold support (5), wherein a film forming mold assembly (6) is provided on the upper part of the mold support (5), an embossing support (18) is provided at the front end of the mold support (5), a cooling steel roller (19), an embossing steel roller (20) and an embossing rubber roller (16) are provided on the embossing support (18) in sequence from left to right, a heating guide roller II (7) is provided between the embossing rubber roller (16) and the film forming mold (6), a guide shaft (17) is provided at the lower end of the embossing steel roller (20), and a rear end of the guide shaft (17) is provided. A plurality of steering shafts (14) are provided between the ends and the heating guide roller II (7); a mesh belt (4) is provided inside the embossing bracket (18) and is wound around the heating guide roller II (7), the embossing rubber roller (16), the embossing steel roller (20), the cooling steel roller (19), and the guide shaft (17); the film forming mold assembly (6) includes a film forming mold (32); a pair of rotating arms (31) are provided between the two ends of the film forming mold (32) and the mold bracket (5); a mold steering shaft (30) is provided between the upper parts of the two rotating arms (31).

2. The packaging film forming device with angle adjustment function according to claim 1, characterized in that: An opening and closing telescopic motor (37) is provided on the side of the film forming mold (32); a light rod (33) for driving the film forming mold (32) to open and close is provided between the opening and closing telescopic motor (37) and the film forming mold (32); and a steering screw rod (34) is provided between the upper part of the film forming frame (5) and the rotating arms (31) on both sides.

3. The packaging film forming device with angle adjustment function according to claim 2, characterized in that: Travelling trolleys (26) are provided on both sides of the upper end of the film forming frame (5); lower connecting plates (29) are provided between the travelling trolleys (26) and the rotating arms (31); an upper connecting plate (27) is provided between the upper parts of the two travelling trolleys (26); a connecting screw (28) locked with a nut is provided between the upper connecting plate (27) and the lower connecting plate (29); a steering gear (35) is provided between both sides of the upper connecting plate (27) and the steering screw (34); a connecting rod (36) is provided between the steering gear (35); and connectors (38) are provided between both ends of the connecting rod (36) and the steering gear (35).

4. The packaging film forming device with angle adjustment function according to claim 1 or 3, characterized in that: A heating guide roller I (1) is provided between the heating guide roller II (7) and the embossing rubber roller (16); the heating guide roller I (1) and the heating guide roller II (7) are inclined at an angle of 3 to 5 degrees; a plurality of supporting rollers (3) are provided between the heating guide roller I (1) and the heating guide roller II (7); and a temperature regulating cover (2) covering the heating guide roller I (1) and the supporting rollers (3) is provided at the upper end of the embossing bracket (18).

5. The packaging film forming device with angle adjustment function according to claim 4, characterized in that: An angle adjustment component (21) is provided between the heating guide roller I (1) and the embossed steel roller (20), and the angle adjustment component (21) comprises an angle adjustment shaft (24), a screw rod (23) threadedly sleeved and fixed to the mold support (5) is provided at the lower end of the angle adjustment shaft (24), sliders (25) threadedly sleeved and fixed to the screw rod (23) are provided between the two ends of the angle adjustment shaft (24) and the screw rod (23), and a hand wheel (22) is provided on the outer side of the mold support (5) and is connected and fixed to the screw rod (23) by a retaining spring.

6. The packaging film forming device with angle adjustment function according to claim 5, characterized in that: A deflection correction bracket (13) on which a steering shaft (14) is fixedly mounted is provided below the heating guide roller II (7); a deflection correction instrument (12) is provided on the deflection correction bracket (13); an adjusting tensioning wheel (10) wound around the mesh belt (4) is provided at the rear end of the deflection correction bracket (13); and a guide wheel (8) pressed against the mesh belt (4) is provided between the adjusting tensioning wheel (10) and the heating guide roller II (7).

7. The packaging film forming device with angle adjustment function according to claim 6, characterized in that: A tape ironing plate (9) is provided between the guide wheel (8) and the adjusting tension wheel (10), and a tape ironing plate limiting member (11) fixedly connected to the deviation correcting bracket (13) is provided between the tape ironing plate (9) and the adjusting tension wheel (10).

8. The packaging film forming device with angle adjustment function according to claim 1, characterized in that: The rear end of the embossing rubber roller (16) is provided with a roller closing cylinder (15) for adjusting the distance between the embossing rubber roller (16) and the embossing steel roller (20).

9. A control method for the packaging film forming equipment with angle adjustment function according to claim 7, characterized in that The steps are as follows: Step 1: Assemble the equipment, install the mesh belt (4) in the embossing bracket (18), and the mesh belt (4) needs to pass around the heating guide roller (1), the support roller (3), the heating guide roller II (7), the guide wheel (8), the adjusting tension wheel (10), the steering shaft (14), the embossing rubber roller (16), the guide shaft (17), the cooling steel roller (19), the embossing steel roller (20) and the angle adjustment component (21); Step 2: Install the mesh belt (4), lay the ironing plate (9) flat and support it through the ironing plate limiter (11), and adjust the tension of the mesh belt to achieve a taut state; Step 3: Use the hand wheel (22) of the angle adjustment assembly (21) to shake the screw rod (23), so that the screw rod (23) drives the slider (25) to drive the angle adjustment shaft (24) to move forward and backward, ensuring that the mesh belt (4) enters the angle between the embossing rubber roller (16) and the embossing steel roller (20); Step 4: Extruding the hot-melt packaging adhesive film onto the mesh belt (4) on the heated guide roller II (7) through the adhesive film forming die (32) in the adhesive film forming die assembly (6); Step 5: The packaging film on the mesh belt (4) passes through the heated guide roller II (7) and the heated guide roller I (1), and enters between the embossing rubber roller (16) and the embossing steel roller (20) for embossing. It then goes around the cooling steel roller (19) for cooling and is output to the next process for slitting and winding.

10. The control method of the packaging film forming equipment with angle adjustment function according to claim 9, characterized in that: When operation is required, the trolley (26) moves to the top of the heated guide roller II (7), and drives the polished rod (33) to close and adjust the film forming mold (32) through the opening and closing telescopic motor (37), and at the same time, the steering gear (35) drives the steering screw (34) to contract and drive the film forming mold (32) at the bottom of the rotating arm (31) to form a working state with an angle of 45 degrees with the ground; when the work is completed and the glue is cleaned or the mold is removed, the trolley (26) moves to the end away from the heated guide roller II (7), and drives the polished rod (33) to open the film forming mold (32) through the opening and closing telescopic motor (37), and at the same time, the steering gear (35) drives the steering screw (34) to stretch and drive the film forming mold (32) at the bottom of the rotating arm (31) to form a working state perpendicular to the ground.

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