Punching and feeding mechanism for PET (Polyethylene Terephthalate) optical film

Abstract

The utility model discloses a PET (polyethylene terephthalate) optical film punching and feeding mechanism, which relates to the technical field of film punching and particularly comprises two groups of mounting racks symmetrically arranged along a punching mechanism, the two groups of mounting racks and the punching mechanism are fixedly connected to the top of a base, and each group of mounting racks comprises two mounting racks. Two feeding rollers are rotationally connected between the two mounting frames on the same side through a rotating shaft, and the two feeding rollers are arranged from top to bottom; second side plates are fixedly connected to the sides, away from each other, of the two mounting frames, first side plates fastened to the mounting frames are symmetrically arranged on the two sides of the second side plates, adjusting screw rods are rotationally connected between the first side plates and the second side plates, through grooves are formed in the mounting frames, rotating shafts penetrate through the through grooves, and the ends of the rotating shafts are connected with connecting bases. According to the feeding device, the positions of the end parts of the two feeding rollers can be adjusted, so that the stable feeding of the PET optical film and the processing quality are ensured, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of film punching, in particular to a PET optical film punching and feeding mechanism. Background Art

[0002] PET optical films are widely used in magnetic recording, photosensitive materials, electronics, electrical insulation, industrial films, packaging decoration and other fields. The punching process in the production process of PET film is often used to process holes, grooves and trimming on the film. The feeding mechanism used in the punching process will have a great influence on the pass rate and accuracy of the punching.

[0003] Most of the existing punching and feeding mechanisms are fixed structures, and are prone to displacement after long-term use, which causes the optical film to shift, resulting in inaccurate punching positions. In addition, the fixed structure is not conducive to adjusting the feeding mechanism, which brings great inconvenience to maintenance work. Therefore, we propose a PET optical film punching and feeding mechanism. Utility Model Content

[0004] In view of the disadvantage that the fixed structure of the existing feeding mechanism is inconvenient to adjust, which brings great inconvenience to maintenance work, the utility model provides a PET optical film punching and feeding mechanism, which has the advantages of being able to adjust the feeding roller and ensure stable feeding of the PET optical film, thereby solving the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0006] A PET optical film punching and feeding mechanism, comprising two groups of mounting frames symmetrically arranged along the punching mechanism, the two groups of mounting frames and the punching mechanism are fixedly connected to the top of a base, each group of mounting frames has two mounting frames, and two feeding rollers are rotatably connected between the two mounting frames on the same side through a rotating shaft, and the two feeding rollers are arranged from top to bottom;

[0007] The two mounting frames are fixedly connected to the second side plate on the sides away from each other, and the first side plates fastened to the mounting frames are symmetrically arranged on both sides of the second side plates, and an adjusting screw is rotatably connected between the first side plate and the second side plate support, and a through slot is provided on the mounting frame, the rotating shaft passes through the through slot and the end is connected to a connecting seat, and the adjusting screw passes through the connecting seat and is threadedly connected thereto;

[0008] One end of the adjusting screw rod passes through the first side plate and is threadedly connected thereto, and the end of the adjusting screw rod is coaxially connected with a rotating handle.

[0009] Optionally, both ends of the rotating shaft are coaxially connected with a sleeve, the sleeve is located in the through groove, and both ends of the sleeve are coaxially connected with an annular plate for limiting.

[0010] Optionally, the punching mechanism includes a conveying mechanism fastened to the top of the base, a fixing frame with an opening downward and fastened to the base is provided directly above the conveying mechanism, an electric telescopic rod is connected to the bottom of the fixing frame, and the bottom of the electric telescopic rod is fastened to the horizontal plate;

[0011] The bottom of the transverse plate is slidably connected with a support seat, and the bottom of the support seat is slidably connected with a punching assembly, which is located above the conveying mechanism.

[0012] Optionally, guide rods fastened to the base are symmetrically arranged at the bottom of the fixing frame, and the guide rods are arranged through the horizontal plate.

[0013] Optionally, the support seat is connected to the cross plate through a first linear module.

[0014] Optionally, the punching assembly is connected to the support seat via a second linear module.

[0015] Compared with the prior art, the utility model can realize the separate adjustment of the ends of the two feed rollers by rotating the adjusting screw, and then can fine-tune the position of the feed rollers after long-term use, thereby ensuring the stable feeding and processing quality of the PET optical film. The utility model is not only simple in structure, but also convenient for the staff to adjust, and at the same time improves the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model.

[0017] Figure 2 This is a schematic diagram of the structure of the utility model in combination with the PET optical film.

[0018] Figure 3 This is a cross-sectional view of the connection between the rotating shaft and the mounting frame of the utility model.

[0019] Figure 4 It is a structural schematic diagram of the punching mechanism of the utility model.

[0020] In the figure: 1. first guide roller; 2. base; 3. connecting seat; 4. first side plate; 5. rotating shaft; 6. mounting frame; 7. rotary handle; 8. adjusting screw; 9. electric telescopic rod; 10. supporting seat; 11. punching assembly; 12. horizontal plate; 13. guide rod; 14. fixing frame; 15. conveying mechanism; 16. second guide roller; 17. feeding roller; 18. first linear module; 19. second linear module; 20. second side plate; 21. through groove; 22. sleeve; 23. annular plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figures 1 to 4 The utility model provides a technical solution: a PET optical film punching and feeding mechanism, such as Figure 1 , 2 As shown, it includes two sets of mounting frames 6 symmetrically arranged along the punching mechanism, the two sets of mounting frames 6 and the punching mechanism are fixedly connected to the top of the base 2. In actual use, the first guide roller 1 and the second guide roller 16 are respectively connected at both ends of the punching mechanism to pass the PET optical film ( Figure 2 The PET optical film is stretched from the first guide roller 1 to the mounting frame 6 on one side (indicated by the middle arrow A), and extends to the punching mechanism, then extends to the mounting frame 6 on one side, and finally extends to the second guide roller 16, thereby achieving stable feeding of the PET optical film and ensuring the quality of punching.

[0023] like Figure 2 , 4 As shown, the punching mechanism includes a conveying mechanism 15 fastened to the top of the base 2, and a fixing frame 14 with an opening facing downward and fastened to the base 2 is provided directly above the conveying mechanism 15. The bottom of the fixing frame 14 is connected to an electric telescopic rod 9, and the bottom of the electric telescopic rod 9 is fastened to the cross plate 12. In order to ensure that the cross plate 12 slides up and down stably, guide rods 13 fastened to the base 2 are symmetrically provided at the bottom of the fixing frame 14, and the guide rods 13 are arranged through the cross plate 12.

[0024] like Figure 4 As shown, a support seat 10 is slidably connected to the bottom of the horizontal plate 12. In order to achieve stable sliding of the support seat 10, the support seat 10 is connected to the horizontal plate 12 through a first linear module 18. A punching assembly 11 is slidably connected to the bottom of the support seat 10. At the same time, the punching assembly 11 is connected to the support seat 10 through a second linear module 19. The punching assembly 11 is located above the conveying mechanism 15. Driven by the first linear module 18, the second linear module 19 and the electric telescopic rod 9, the punching assembly 11 can be driven to slide and adjust in the horizontal and vertical directions, thereby ensuring normal punching operation.

[0025] During actual operation, a control box is installed on the fixed frame 14, and a controller is fixedly connected inside the control box. The first linear module 18, the second linear module 19, the electric telescopic rod 9 and the punching assembly 11 are all connected to the controller through wires. A button for control is provided outside the control box to facilitate the staff to perform punching processing.

[0026] like Figure 2 , 3 As shown, during the actual punching operation, the number of each group of mounting frames 6 is two, and two mounting frames 6 on the same side are rotatably connected to each other through the rotating shaft 5 with two feeding rollers 17, the two feeding rollers 17 are arranged from top to bottom, and the two mounting frames 6 are fixedly connected to the second side plate 20 on the sides away from each other, and the first side plates 4 fastened to the mounting frames 6 are symmetrically provided on both sides of the second side plates 20, and the adjusting screw 8 is rotatably connected between the first side plate 4 and the second side plate 20, and the mounting frames 6 are provided with a through groove 21, and both ends of the rotating shaft 5 are coaxially connected to the sleeve 22, the sleeve 22 is located in the through groove 21, and both ends of the sleeve 22 are coaxially connected to the annular plate 23 for limiting, the rotating shaft 5 passes through the through groove 21 and is connected to the connecting seat 3 at the end, the adjusting screw 8 passes through the connecting seat 3 and is threadedly connected thereto, and the PET optical film passes between the two feeding rollers 17, which can limit the PET optical film, thereby ensuring the smooth movement of the PET optical film, and thus ensuring its normal punching processing.

[0027] To sum up, when the PET optical film punching and feeding mechanism is in use, one end of the adjusting screw 8 passes through the first side plate 4 and is threadedly connected thereto. In order to facilitate the user to rotate the adjusting screw 8, a rotary handle 7 is coaxially connected to the end of the adjusting screw 8. Before the punching process is performed, the PET optical film is passed between the two feeding rollers 17, and the rotary handle 7 is rotated to adjust the position of the feeding roller 17. The four adjusting screws 8 provided can adjust the ends of the two feeding rollers 17 respectively, that is, the position of the feeding roller 17 after long-term use can be fine-tuned, thereby ensuring the stable feeding of the PET optical film, thereby ensuring the processing quality of the PET optical film, and when in use, the feeding roller 17 located between the fixing frame 14 and the second guide roller 16 can also guide the processed waste film, which is convenient for winding and collecting the waste, thereby improving the practicability of the device.

[0028] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present utility model; the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus.

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

Claims

1. A PET optical film punching and feeding mechanism, comprising two sets of mounting frames (6) symmetrically arranged along the punching mechanism, characterized in that: The two groups of mounting frames (6) and the punching mechanism are fixedly connected to the top of the base (2), the number of each group of mounting frames (6) is two, and two feeding rollers (17) are rotatably connected between the two mounting frames (6) located on the same side through a rotating shaft (5), and the two feeding rollers (17) are arranged from top to bottom; The two mounting frames (6) are fixedly connected to a second side plate (20) on the sides away from each other, and first side plates (4) fastened to the mounting frames (6) are symmetrically arranged on both sides of the second side plates (20), and an adjusting screw (8) is rotatably connected between the first side plate (4) and the second side plate (20), and a through slot (21) is provided on the mounting frame (6), a rotating shaft (5) passes through the through slot (21) and an end portion is connected to a connecting seat (3), and the adjusting screw (8) passes through the connecting seat (3) and is threadedly connected thereto; One end of the adjusting screw rod (8) passes through the first side plate (4) and is threadedly connected thereto, and the end of the adjusting screw rod (8) is coaxially connected to the rotary handle (7).

2. A PET optical film punching and feeding mechanism according to claim 1, characterized in that: Both ends of the rotating shaft (5) are coaxially connected to a sleeve (22), the sleeve (22) is located in the through groove (21), and both ends of the sleeve (22) are coaxially connected to an annular plate (23) for limiting position.

3. A PET optical film punching and feeding mechanism according to claim 1, characterized in that: The punching mechanism comprises a conveying mechanism (15) fastened to the top of the base (2); a fixing frame (14) with an opening facing downward and fastened to the base (2) is provided directly above the conveying mechanism (15); an electric telescopic rod (9) is connected to the bottom of the fixing frame (14); and the bottom of the electric telescopic rod (9) is fastened to the horizontal plate (12); The bottom of the transverse plate (12) is slidably connected to a support seat (10), and the bottom of the support seat (10) is slidably connected to a punching assembly (11), which is located above the conveying mechanism (15).

4. A PET optical film punching and feeding mechanism according to claim 3, characterized in that: A guide rod (13) fastened to the base (2) is symmetrically arranged at the bottom of the fixing frame (14), and the guide rod (13) penetrates the horizontal plate (12).

5. A PET optical film punching and feeding mechanism according to claim 3, characterized in that: The support seat (10) is connected to the horizontal plate (12) via a first linear module (18).

6. A PET optical film punching and feeding mechanism according to claim 3, characterized in that: The punching assembly (11) is connected to the support seat (10) via a second linear module (19).

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