A rotary double-sided film applicator

Abstract

This utility model discloses a rotary double-sided film applicator, relating to the field of film applicator technology. It includes a worktable, with movable seats correspondingly and slidably mounted on both sides of the upper surface of the worktable. A rotating roller is detachably mounted on the opposite surface of the two movable seats, and multiple film rolls are rotatably sleeved on the outer side of the rotating roller. Clamping components are provided below each film roll on the upper surface of the worktable. A movable frame is movably mounted on the upper surface of the worktable, and a first electric push rod is fixedly mounted on the movable frame. A cutter is fixedly mounted on the telescopic end of the first electric push rod. The movable frame is fixedly connected to the movable seats on both sides. In use, the circuit board is automatically centered and fixed by the inclined clamping mechanism. The servo system drives the rotating roller to press down and contact the circuit board surface, maintaining constant pressure under the compensation of the buffer mechanism. Subsequently, the movable seats drive the film rolls to roll at a uniform speed to complete the film applicator. Finally, the cutter cuts the film material.

Description

Technical Field

[0001] This utility model relates to the field of film application technology, and in particular to a rotary double-sided film application device. Background Technology

[0002] In the electronics manufacturing industry, protective films are often applied to the surface of circuit boards to prevent soldering contamination, mechanical scratches, or environmental corrosion. Brown adhesive protective films, with their semi-transparent amber hue, significantly improve the visibility of the film layer while maintaining basic protective performance, facilitating visual inspection of the application quality.

[0003] In existing circuit board lamination processes, lamination equipment suffers from numerous limitations, restricting production efficiency and adaptability. Traditional lamination equipment typically employs a fixed pressing mechanism, which can only accommodate circuit boards of a single size or limited specifications. When faced with substrates of different aspect ratios or thicknesses, frequent fixture changes or mechanical adjustments are required, leading to lengthy changeover times and reduced lamination accuracy due to repeated positioning errors. Secondly, existing equipment's film feeding systems mostly use a single-roll feeding mode, requiring machine shutdown for film changes, causing production line interruptions. Furthermore, it cannot achieve rapid switching between different protective film materials (such as tinted film and transparent film), severely limiting the flexibility of multi-variety, small-batch production.

[0004] To solve the above problems, this utility model proposes a rotary double-sided film applicator. Utility Model Content

[0005] To address the problems existing in the background technology, this utility model proposes a rotary double-sided film applicator.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a rotary double-sided film applicator, comprising a worktable, movable seats corresponding to and slidably arranged on both sides of the upper end face of the worktable, a rotating rod detachably installed on the opposite surface of the two movable seats, and multiple film rolls being rotatably sleeved on the outer side of the rotating rod; clamping components are provided below the film rolls corresponding to the upper end face of the worktable; a movable frame is movably arranged on the upper end face of the worktable, a first electric push rod is fixedly installed on the movable frame, a cutter is fixedly installed on the telescopic end of the first electric push rod, and the movable frame is fixedly connected to the movable seats on both sides.

[0007] The present invention is further configured such that the clamping assembly includes two fixed seats and two clamping plates. The fixed seats are bolted to the upper end face of the workbench. Grooves are provided on the opposite surfaces of the two fixed seats. The clamping plates are slidably disposed in the grooves. Both sides of the opposite surfaces of the two clamping plates are set as inclined surfaces. Multiple second springs are fixedly connected inside the grooves. The other end of the second springs is fixedly connected to the clamping plates.

[0008] The present invention is further configured such that each of the two movable seats has a movable groove on its opposite surface, and a connecting block is slidably installed inside the movable groove. The two ends of the rotating rod are respectively detachably connected to the connecting blocks on both sides by bolts. A second electric push rod is fixedly installed at the top of each movable seat, and the telescopic end of the second electric push rod extends into the movable groove and is fixedly connected to the connecting block.

[0009] The present invention is further configured such that a first spring is fixedly connected to the bottom end of each connecting block, and the other end of the first spring is fixedly connected to the bottom surface of the moving groove.

[0010] The present invention is further configured such that guide grooves are provided on both sides of the upper end face of the workbench, the bottom end of the movable seat is transitionally fitted with the inner wall of the guide groove, a screw is rotatably installed inside one guide groove, the screw is threadedly connected to the bottom end of the corresponding movable seat, and a guide rod is fixedly installed inside the other guide groove, the guide rod is slidably connected to the bottom end of the corresponding movable seat.

[0011] The present invention is further configured such that a plurality of movable wheels are fixedly installed at the bottom end of the movable frame, and the plurality of movable wheels are in rolling cooperation with the upper end surface of the worktable and the upper end surface of the fixed seat.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] This rotary double-sided film application device consists of a worktable, an adjustable movable seat, a rotating roller, a clamping assembly, and a gantry moving frame. The operation is as follows: the circuit board is automatically centered and fixed by the inclined clamping mechanism; the servo system drives the rotating roller to press down on the circuit board surface, maintaining constant pressure with the compensation of the buffer mechanism; then the movable seat drives the film roll to roll at a uniform speed to complete the film application; finally, the cutter precisely cuts the film. Its advantages lie in the use of servo drive and guiding mechanism to ensure film application accuracy, and the adaptive clamping design to adapt to different circuit board sizes, achieving efficient double-sided automatic film application, improving production efficiency and product consistency.

[0014] Other advantages, objectives and features of this invention will be partly apparent from the following description, and partly understood by those skilled in the art through study and practice of this invention. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a partial cross-sectional view of the present invention.

[0018] Figure 3 This utility model Figure 2Enlarged view of point A in the middle;

[0019] Figure 4 This is a partial structural diagram of the present invention;

[0020] Figure 5 This is a schematic diagram of the movable wheel structure of this utility model.

[0021] Reference numerals in the attached drawings: 1. Workbench; 2. Movable seat; 3. Rotating roller; 4. Film roll; 5. Movable frame; 6. First electric push rod; 7. Cutting blade; 8. Fixed seat; 9. Clamping plate; 10. Groove; 11. Movable groove; 12. Connecting block; 13. Second electric push rod; 14. First spring; 15. Guide groove; 16. Screw; 17. Guide rod; 18. Movable wheel; 19. Second spring. Detailed Implementation

[0022] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains.

[0024] In this utility model, unless otherwise stated, the orientations used, such as "up" and "down", usually refer to the direction shown in the accompanying drawings, or to the vertical, perpendicular, or gravitational direction; similarly, for ease of understanding and description, "left" and "right" usually refer to the left and right shown in the accompanying drawings; "inner" and "outer" refer to the inner and outer contours of each component itself, but the above directional terms are not used to limit this utility model.

[0025] Please see Figure 1-5 This utility model provides a technical solution: a rotary double-sided film applicator, including a worktable 1, with movable seats 2 correspondingly and slidably arranged on both sides of the upper end surface of the worktable 1, and rotating rods 3 detachably installed on the opposite surfaces of the two movable seats 2, with moving grooves 11 opened on the opposite surfaces of the two movable seats 2, and connecting blocks 12 slidably installed inside the moving grooves 11, and the two ends of the rotating rods 3 being detachably connected to the connecting blocks 12 on both sides by bolts; a second electric push rod 13 is fixedly installed on the top of each movable seat 2, and the telescopic end of the second electric push rod 13 extends into the moving groove 11 and is fixedly connected to the connecting block 12.

[0026] In this embodiment of the utility model: a first spring 14 is fixedly connected to the bottom end of each connecting block 12, and the other end of the first spring 14 is fixedly connected to the bottom surface of the moving groove 11.

[0027] Multiple film rolls 4 are mounted on the outer limiting rotating sleeve of the rotating roller 3. An HSK quick-change interface is provided on the outer side of the rotating roller 3 for changing film rolls 4 of different widths.

[0028] The upper end of the worktable 1 is provided with clamping components corresponding to the lower part of the film roll 4. The clamping components include two fixed seats 8 and two clamping plates 9. The fixed seats 8 are bolted to the upper end of the worktable 1. The opposite surfaces of the two fixed seats 8 are provided with grooves 10. The clamping plates 9 are slidably disposed in the grooves 10. The opposite sides of the two clamping plates 9 are both set as inclined surfaces. Multiple second springs 19 are fixedly connected inside the grooves 10. The other end of the second springs 19 is fixedly connected to the clamping plates 9.

[0029] A movable frame 5 is movably mounted on the upper surface of the workbench 1. A first electric push rod 6 is fixedly mounted on the movable frame 5. A cutter 7 is fixedly mounted on the telescopic end of the first electric push rod 6. The movable frame 5 is fixedly connected to the movable seats 2 on both sides.

[0030] In this embodiment of the utility model: the movable frame 5 is equipped with a heating device for heating the cutter 7, thereby making the cutter 7 cut the protective film faster.

[0031] Guide grooves 15 are provided on both sides of the upper surface of the worktable 1. The bottom end of the movable seat 2 is fitted with the inner wall of the guide groove 15. A screw 16 is rotatably installed inside one guide groove 15 and is threadedly connected to the bottom end of the corresponding movable seat 2. A guide rod 17 is fixedly installed inside the other guide groove 15 and is slidably connected to the bottom end of the corresponding movable seat 2. A motor (not shown) is fixedly installed on the front side of the worktable 1, and the output shaft of the motor is fixedly connected to one end of the screw 16.

[0032] It should be noted that all the devices in this application are common devices on the market, and can be selected according to the needs of specific use. The circuit connection relationship of each device is a simple series and parallel connection circuit. There is no innovation in the circuit connection. Those skilled in the art can easily implement it. It belongs to the prior art and will not be described in detail.

[0033] In this embodiment of the utility model: a plurality of movable wheels 18 are fixedly installed at the bottom of the movable frame 5, and the plurality of movable wheels 18 are in rolling cooperation with the upper end surface of the workbench 1 and the upper end surface of the fixed seat 8.

[0034] Working principle:

[0035] First, the circuit board to be processed is fed into the worktable 1 along the reference plane. The two edges of the circuit board contact the 15° self-aligning inclined surfaces of the two clamping plates 9 in the clamping assembly. Under the guidance of the inclined surfaces, the downward pressing action of the circuit board forces the two clamping plates 9 to move in opposite directions along the groove 10 of the fixed seat 8. At this time, the pre-compressed stainless steel second spring 19 is compressed to generate a constant clamping force, ensuring that the circuit board is firmly fixed without scratches. In the film preparation stage, the servo-type second electric push rod 13 receives the control system command and drives the connecting block 12 to move vertically downward along the linear slide rail of the moving groove 11 through the lead screw. This drives the rotating roller 3 and the film roll 4 on it to contact the surface of the circuit board with constant pressure. The buffer system composed of the first spring 14 can compensate for the height difference caused by different board thicknesses in real time. When the film is applied, the servo motor drives the ball screw 16 to rotate, so that the moving seat 2 moves in a uniform linear motion along the guide groove 15. The rotating roller 3 drives the film roll 4 to achieve slip-free rolling application on the surface of the circuit board. The moving frame 5 supported by the moving wheel 18 follows synchronously to ensure that the cutter 7 is always in the ready position. During the film application process, the polyurethane-coated film roll 4 unfolds under constant tension. After single-sided film application, the first electric push rod 6 drives the cutter 7 to cut along the linear module, ensuring that the protective film is cut without damaging the circuit board. The process is repeated after flipping the circuit board to achieve double-sided film application. The rotating roller 3 with the HSK quick-change interface design supports quick replacement of film rolls 4 of different widths, meeting the production needs of circuit boards of various specifications.

[0036] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A rotary double-sided film pasting device comprising a worktable (1), characterized in that: The upper end face of the workbench (1) is provided with movable seats (2) on both sides corresponding to the limit sliding. Rotating rods (3) are detachably installed on the opposite surfaces of the two movable seats (2). Multiple film rolls (4) are fitted on the outer side of the rotating rods (3) for limit rotation. Clamping components are provided on the upper end face of the workbench (1) corresponding to the lower part of the film rolls (4). A movable frame (5) is provided on the upper end face of the workbench (1). A first electric push rod (6) is fixedly installed on the movable frame (5). A cutter (7) is fixedly installed on the telescopic end of the first electric push rod (6). The movable frame (5) is fixedly connected to the movable seats (2) on both sides. 2.The double-faced film pasting device of claim 1, wherein: The clamping assembly includes two fixed seats (8) and two clamping plates (9). The fixed seats (8) are bolted to the upper surface of the workbench (1). Grooves (10) are provided on the opposite surfaces of the two fixed seats (8). The clamping plates (9) are slidably disposed in the grooves (10). Both sides of the opposite surfaces of the two clamping plates (9) are set as inclined surfaces. Multiple second springs (19) are fixedly connected inside the grooves (10). The other end of the second springs (19) is fixedly connected to the clamping plates (9). 3.The double-faced film pasting device of claim 1, wherein: The two movable seats (2) are provided with movable grooves (11) on their opposite surfaces. Connecting blocks (12) are slidably installed inside the movable grooves (11). The two ends of the rotating rod (3) are detachably connected to the connecting blocks (12) on both sides by bolts. The top of each movable seat (2) is fixedly installed with a second electric push rod (13). The telescopic end of the second electric push rod (13) extends into the movable groove (11) and is fixedly connected to the connecting block (12).

4. The rotary double-sided film applicator according to claim 3, characterized in that: The bottom end of each connecting block (12) is fixedly connected to a first spring (14), and the other end of the first spring (14) is fixedly connected to the bottom surface of the moving groove (11).

5. The rotary double-sided film sticking device according to claim 1, wherein: The upper surface of the workbench (1) is provided with guide grooves (15) on both sides. The bottom end of the movable seat (2) is fitted with the inner wall of the guide groove (15). A screw (16) is rotatably installed inside one guide groove (15). The screw (16) is threadedly connected to the bottom end of the corresponding movable seat (2). A guide rod (17) is fixedly installed inside the other guide groove (15). The guide rod (17) is slidably connected to the bottom end of the corresponding movable seat (2). 6.The double-faced film pasting device of claim 1, wherein: The bottom of the mobile frame (5) is fixedly equipped with multiple moving wheels (18), which are in rolling cooperation with the upper surface of the workbench (1) and the upper surface of the fixed seat (8).

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