Packaging adhesive film forming mechanism

Abstract

The utility model relates to a packaging adhesive film forming mechanism, which belongs to the technical field of packaging adhesive film forming equipment and comprises a die support, an adhesive film forming die is arranged on the upper portion of the die support, an embossing support is arranged at the front end of the die support, and a cooling steel roller, an embossing steel roller and an embossing rubber roller are sequentially arranged on the embossing support from left to right. A heating guide roller II is arranged between the upper portion of the embossing rubber roller and the rubber film forming die, 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 winding the heating guide roller II, the embossing rubber roller, the embossing steel roller, the cooling steel roller and the guide shaft is arranged in the embossing support. The device has the characteristics of compact structure and good temperature control and operation stability. The problems that the thickness uniformity is poor and liquid flows back in the packaging adhesive film forming process are solved. The utilization rate of raw materials in the production process of the packaging adhesive film is increased, and the surface flatness and thickness consistency of the produced packaging adhesive film are guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging film molding equipment, in particular to a packaging film molding mechanism. Background Art

[0002] Encapsulant film is a core auxiliary material in the photovoltaic industry, serving to bond substrates and cells together to form photovoltaic modules. The production of photovoltaic film typically involves melt extrusion, pattern roller embossing, and cooling and peeling. Conveyor belts are used throughout the entire process to transport the film between different equipment.

[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 patterned 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 existing packaging film molding equipment 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] This utility model primarily addresses the shortcomings of the prior art by providing a packaging film molding mechanism featuring a compact structure, excellent temperature control, and stable operation. It solves the problems of poor thickness uniformity and liquid backflow during the packaging film molding process. It improves raw material utilization during the packaging film production process and ensures surface flatness and thickness consistency of the produced packaging film.

[0006] The above technical problems of the present invention are mainly solved by the following technical solutions:

[0007] A packaging film forming mechanism includes a mold bracket, a film forming mold 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 in sequence from left to right, a heating guide roller II is provided above the embossing rubber roller and between it and the film forming mold, a guide shaft is provided at the lower end of the embossing steel roller, and several steering shafts are provided between the rear end of the guide shaft and the heating guide roller II, and a mesh belt is provided inside the embossing bracket and is wound around the heating guide roller II, the embossing rubber roller, the embossing steel roller, the cooling steel roller and the guide shaft.

[0008] Preferably, a heating guide roller I is provided between the heating guide roller II and the embossing rubber roller, and a plurality of supporting rollers are provided between the heating guide roller I and the heating guide roller II.

[0009] Preferably, a temperature regulating cover is provided on the upper end of the embossing bracket, covering the heating guide roller I and the support roller. The temperature regulating cover cooperates with the heating guide roller I and the heating guide roller II to ensure that the surface temperature of the film is constant, and the internal temperature is controllable and adjustable between 30°C and 100°C.

[0010] Preferably, the heating guide roller I and the heating guide roller II are inclined at an angle of 3 to 5 degrees. The heating guide roller I and the heating guide roller II adopt a height difference structure to prevent liquid backflow.

[0011] Preferably, a deflection correction bracket is provided below the heating guide roller II to which a steering shaft is fixed, and a deflection correction instrument is provided on the deflection correction bracket. The deflection correction instrument drives the deflection correction bracket to move left and right, and the deflection correction adjustment range is 0±90mm, ensuring that the mesh belt position cannot move more than 5mm.

[0012] Preferably, the rear end of the deviation-correcting bracket is provided with an adjusting tensioning wheel wound around the mesh belt, and a guide wheel pressed against the mesh belt is provided between the adjusting tensioning wheel and the heating guide roller II.

[0013] Preferably, a hot tape plate is provided between the guide wheel and the adjusting tension wheel, and a hot tape plate limiter fixedly connected to the deviation correction bracket is provided between the hot tape plate and the adjusting tension wheel.

[0014] Preferably, the rear end of the embossing rubber roller is provided with a roller closing cylinder for adjusting the distance between the embossing rubber roller and the embossing steel roller.

[0015] The utility model can achieve the following effects:

[0016] The utility model provides a packaging film molding mechanism that, compared with existing technologies, features a compact structure, excellent temperature control, and operational stability. It solves the problems of poor thickness uniformity and liquid backflow during the packaging film molding process. It improves raw material utilization during the packaging film production process and ensures surface flatness and thickness consistency of the produced packaging film. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural diagram of the present utility model.

[0018] In the figure: heating guide roller Ⅰ1, temperature regulating cover 2, support roller 3, mesh belt 4, mold bracket 5, film forming mold 6, heating guide roller Ⅱ7, guide wheel 8, ironing plate 9, adjusting tensioning wheel 10, ironing plate limiter 11, deviation corrector 12, deviation correcting bracket 13, steering shaft 14, roller closing cylinder 15, embossing rubber roller 16, guide shaft 17, embossing bracket 18, cooling steel roller 19, embossing steel roller 20. DETAILED DESCRIPTION

[0019] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0020] Example: Figure 1 The figure shows a packaging film forming mechanism comprising a mold support 5, with a film forming mold 6 mounted on top of the mold support 5. An embossing support 18 is mounted 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 mounted on the embossing support 18 in order from left to right. A closing cylinder 15 is mounted at the rear end of the embossing rubber roller 16 to adjust the gap between the embossing rubber roller 16 and the embossing steel roller 20. A heating guide roller II 7 is mounted above the embossing rubber roller 16 and between it and the film forming mold 6. A heating guide roller I1 is mounted between the heating guide roller II7 and the embossing rubber roller 16. The heating guide roller I1 is tilted at an angle of 3.29 degrees to the heating guide roller II7. Two support rollers 3 are mounted between the heating guide roller I1 and the heating guide roller II7. A temperature control cover 2 is mounted at the top end of the embossing support 18, covering the heating guide roller I1 and the support rollers 3. A guide shaft 17 is installed at the lower end of the embossing steel roller 20. Four steering shafts 14 are installed between the rear end of the guide shaft 17 and the heated guide roller II 7. A correction bracket 13, fixedly mounted to the steering shaft 14, is located below the heated guide roller II 7. A correction device 12 is mounted on the correction bracket 13. The mesh belt 4 is installed within the embossing bracket 18, which wraps around the heated guide roller II 7, the embossing rubber roller 16, the embossing steel roller 20, the cooling steel roller 19, and the guide shaft 17. At the rear end of the correction bracket 13, an adjustment tensioning pulley 10 is installed, which wraps around the mesh belt 4. A guide wheel 8 is installed between the adjustment tensioning pulley 10 and the heated guide roller II 7, which is in pressurized contact with the mesh belt 4. A hot plate 9 is installed between the guide wheel 8 and the adjustment tensioning pulley 10. A hot plate stopper 11, fixedly connected to the correction bracket 13, is located between the hot plate 9 and the adjustment tensioning pulley 10.

[0021] In summary, this encapsulating film molding mechanism features a compact structure, excellent temperature control, and stable operation. It solves the problems of poor thickness uniformity and liquid backflow during the encapsulating film molding process. It improves raw material utilization during the encapsulating film production process and ensures surface flatness and thickness consistency of the produced encapsulating film.

[0022] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference signs in the claims should not be construed as limiting the claim to which they relate.

[0023] In summary, 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 this field within the scope of the present invention are included in the patent scope of the present invention.

Claims

1. A packaging film forming mechanism, characterized in that: It comprises a mold support (5), wherein a film forming mold (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) from left to right, a heating guide roller II (7) is provided above the embossing rubber roller (16) and between it and the film forming mold (6), a guide shaft (17) is provided at the lower end of the embossing steel roller (20), and a plurality of 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 in the embossing support (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).

2. The packaging film forming mechanism according to claim 1, characterized in that: A heating guide roller I (1) is provided between the heating guide roller II (7) and the embossing rubber roller (16), and a plurality of supporting rollers (3) are provided between the heating guide roller I (1) and the heating guide roller II (7).

3. The packaging film forming mechanism according to claim 2, characterized in that: The upper end of the embossing bracket (18) is provided with a temperature regulating cover (2) that covers the heating guide roller I (1) and the supporting roller (3).

4. The packaging film forming mechanism according to claim 2, characterized in that: The heating guide roller I (1) and the heating guide roller II (7) are inclined at an angle of 3 to 5 degrees.

5. The packaging film forming mechanism according to claim 1, characterized in that: A deviation correction bracket (13) for fixing a steering shaft (14) is provided below the heating guide roller II (7), and a deviation correction instrument (12) is provided on the deviation correction bracket (13).

6. The packaging film forming mechanism according to claim 5, characterized in that: The rear end of the deviation-correcting bracket (13) is provided with an adjusting tensioning wheel (10) wound around the mesh belt (4), 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 mechanism according to claim 6, characterized in that: A hot plate (9) is provided between the guide wheel (8) and the adjusting tension wheel (10), and a hot plate limiter (11) fixedly connected to the deviation correction bracket (13) is provided between the hot plate (9) and the adjusting tension wheel (10).

8. The packaging film forming mechanism 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).

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