A kind of edge cutting device for reflective film winding
By designing an edge-cutting device for reflective film winding, and using a winding motor to drive cutting and winding, the problem of edge defects in reflective film was solved, achieving efficient removal of defects and ensuring film roll quality.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI MINGCHANG REFLECTIVE MATERIALS CO LTD
- Filing Date
- 2025-06-26
- Publication Date
- 2026-07-03
AI Technical Summary
Burrs, gaps, or deformations appear at the edges after the reflective film is produced. Directly winding the film roll affects the quality of the roll. Existing technology makes it difficult to efficiently remove and cut off these defects.
Design a trimming device for rewinding reflective film, comprising a cutting component and a winding component. The winding motor drives the winding roller and winding shaft to rotate, and the cutting blade cuts the three ends of the reflective film and simultaneously winds it up to remove edge defects.
It achieves efficient removal of edge defects of reflective film, avoids stretching damage to the film roll, ensures film roll quality, and simplifies the defect handling process.
Smart Images

Figure CN224449645U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of dental comprehensive treatment machine technology, and in particular to a cutting device for rewinding reflective film. Background Technology
[0002] Reflective film is a pre-made thin film that can be directly applied as a retroreflective material. It is manufactured using glass bead technology, microprism technology, synthetic resin technology, thin film technology, coating technology, and micro-replication technology. Common colors include white, yellow, red, green, blue, brown, orange, fluorescent yellow, fluorescent orange, and fluorescent yellow-green. Fluorescent red and fluorescent pink are also available internationally.
[0003] After the reflective film is produced, some burrs, gaps or deformations may appear on the edges. If the film is rolled up directly, problems may occur on both sides of the film roll, which may need to be cut off. Cutting off after rolling up may cause the film on both sides of the roll to be stretched, affecting its use. Utility Model Content
[0004] The purpose of this utility model is to address the aforementioned problems and deficiencies by proposing a trimming device for rewinding reflective film: the rewinding motor starts and drives the rewinding roller and rewinding shaft to rotate and rewind the three ends of the cut film respectively, which facilitates the removal of defects on the edge of the reflective film and allows for direct rewinding after trimming.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A rewinding and trimming device for reflective film includes a cutting assembly, and a winding assembly is provided on one outer wall of the cutting assembly. The cutting assembly includes two mounting plates, two mounting holes at one end of the mounting plates, a pressing roller and a guide roller located between the two mounting plates, and cutting blades installed on the outer walls at both ends of the pressing roller. The winding assembly includes a support plate, support holes at both ends of the support plate, a winding roller and a winding shaft located between the support plates at the support holes, and winding cylinders installed on the outer walls at both ends of the winding shaft.
[0007] Preferably, both ends of the take-up roller and both ends of the take-up drum are provided with limiting protrusions, and the bottom outer walls of the support plate and the mounting plate are welded with crossbars.
[0008] Preferably, bearings are installed at both ends of the take-up roller, take-up shaft, guide roller and pressing roller, and the outer wall of the bearing is installed on the inner wall of the mounting hole and the support hole.
[0009] Preferably, a winding motor is installed on one end of each of the outer walls of the support plate and the mounting plate, at one end of the winding roller, the winding shaft, the pressing roller, and the guide roller, and the output shaft of the winding motor is connected to one end of each of the winding roller, the winding shaft, the pressing roller, and the guide roller.
[0010] Preferably, the outer wall of the guide roller has a cutting groove at the cutting blade, and one end of the cutting blade is rotatably connected in the cutting groove.
[0011] Preferably, the winding motor is connected to a switch via a wire, and the switch is connected to a power source via a wire.
[0012] The beneficial effects of this utility model are as follows:
[0013] The winding motor starts and drives the winding roller and winding shaft to rotate to wind up the three ends of the cut film, which facilitates the removal of defects on the edge of the reflective film. After cutting, the film can be directly wound up. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the overall structure of a shaving device for rewinding reflective film proposed in this utility model;
[0015] Figure 2 This is a schematic diagram of the unfolding structure of the winding roller of a trimming device for winding reflective film according to the present invention;
[0016] Figure 3 This is a schematic diagram of the pressing roller structure of a reflective film winding and trimming device proposed in this utility model.
[0017] In the diagram: 1 Cutting assembly, 2 Rewinding assembly, 3 Support plate, 4 Rewinding roller, 5 Rewinding shaft, 6 Rewinding drum, 7 Rewinding motor, 8 Mounting plate, 9 Guide roller, 10 Pressing roller, 11 Cutting groove, 12 Cutting blade, 14 Bearing. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0019] Example:
[0020] Reference Figure 1-3 As shown, a slitting device for rewinding reflective film includes a cutting component 1, and a rewinding component 2 is provided on one outer wall of the cutting component 1.
[0021] The cutting assembly 1 includes two mounting plates 8, two mounting holes at one end of the mounting plates 8, a pressing roller 10 and a guide roller 9 located between the two mounting plates 8, and cutting blades 12 mounted on the outer walls at both ends of the pressing roller 10. The cutting blades 12 on the pressing roller 10 and the guide roller 9, together with the cutting grooves 11, cut the reflective film that passes through, making it easy to cut the two ends of the reflective film, making it easy to use, and avoiding damage to the film roll during cutting.
[0022] The winding assembly 2 includes a support plate 3, support holes on the outer walls at both ends of the support plate 3, a winding roller 4 and a winding shaft 5 located at the support holes between the support plates 3, and winding drums 6 installed on the outer walls at both ends of the winding shaft 5. The winding roller 4 on the support plate 3 and the winding drum 6 on the winding shaft 5 respectively wind up the cut reflective film body and the edge, which facilitates synchronous winding.
[0023] Limiting protrusions are provided on the outer walls of both ends of the winding roller 4 and the winding drum 6, and crossbars are welded to the bottom outer walls of the support plate 3 and the mounting plate 8. The winding motor 7 starts and drives the winding roller 4 and the winding shaft 5 to rotate to wind up the three ends of the cut film, which facilitates the removal of defects on the edge of the reflective film. After cutting, it can be directly wound up.
[0024] Bearings 14 are installed at both ends of the take-up roller 4, take-up shaft 5, guide roller 9 and pressing roller 10, and the outer wall of the bearing 14 is installed on the inner wall of the mounting hole and the support hole.
[0025] The outer walls of the support plate 3 and the mounting plate 8 are respectively equipped with a winding motor 7 at one end of the winding roller 4, the winding shaft 5, the pressing roller 10 and the guide roller 9. The output shaft of the winding motor 7 is connected to one end of the winding roller 4, the winding shaft 5, the pressing roller 10 and the guide roller 9 respectively. The pressing roller 10 and the guide roller 9 cooperate with the winding motor 7 to transport the reflective film, and cooperate with the winding roller 4 and the winding shaft 5 to facilitate winding.
[0026] The outer wall of the guide roller 9 is provided with a cutting groove 11 at the cutting blade 12, and one end of the cutting blade 12 is rotatably connected in the cutting groove 11. When the winding motor 7 starts, it drives the guide roller 9 and the pressing roller 10 to rotate. The guide roller 9 and the pressing roller 10 will drive the reflective film to move. The cutting blade 12 presses the reflective film into the cutting groove 11 and moves it to cut both ends of the reflective film.
[0027] The winding motor 7 is connected to the switch via a wire, and the switch is connected to the power supply via a wire.
[0028] Working principle: When in use, one end of the reflective film is passed between the guide roller 9 and the pressing roller 10. The winding motor 7 starts and drives the guide roller 9 and the pressing roller 10 to rotate. The guide roller 9 and the pressing roller 10 will move the reflective film. The cutting blade 12 presses the reflective film into the cutting groove 11 and moves it to cut both ends of the reflective film. The three ends of the cut reflective film are connected to the winding drums 6 at both ends of the winding roller 4 and the winding shaft 5, respectively. The winding motor 7 starts and drives the winding roller 4 and the winding shaft 5 to rotate and wind up the three cut ends of the film, which facilitates the removal of defects on the edge of the reflective film. After cutting, it can be directly wound up.
[0029] The exemplary embodiments of the present invention have been described in detail herein with reference to examples. However, those skilled in the art will understand that various modifications and alterations can be made to the specific embodiments described above without departing from the spirit of the present invention, and various combinations can be made to the various technical features and structures proposed in the present invention without exceeding the protection scope of the present invention, which is determined by the appended claims. The foregoing description of specific exemplary embodiments of the present invention is not intended to limit the present invention to the precise forms disclosed, and it is obvious that many changes and variations can be made based on the above teachings. The exemplary embodiments were chosen and described in order to explain the specific principles of the present invention and its practical applications, thereby enabling those skilled in the art to implement and utilize various different exemplary embodiments of the present invention, as well as various different choices and variations. The scope of the present invention is intended to be defined by the claims and their equivalents.
Claims
1. A film cutting device for rewinding a reflective film, comprising a cutting assembly (1), characterized in that, The cutting assembly (1) has a winding assembly (2) on one side of its outer wall. The cutting assembly (1) includes two mounting plates (8), two mounting holes opened at one end of the mounting plates (8), a pressing roller (10) and a guide roller (9) located between the two mounting plates (8), and a cutting blade (12) installed on the outer wall at both ends of the pressing roller (10). The winding assembly (2) includes a support plate (3), support holes opened on the outer walls at both ends of the support plate (3), a winding roller (4) located between the support plates (3) at the support holes, a winding shaft (5), and winding drums (6) installed on the outer walls at both ends of the winding shaft (5).
2. The edge-cutting device for rewinding reflective film according to claim 1, characterized in that, Limiting protrusions are provided on the outer walls of both ends of the take-up roller (4) and both ends of the take-up cylinder (6), and crossbars are welded to the bottom outer walls of the support plate (3) and the mounting plate (8).
3. The apparatus of claim 1, wherein the cutting device is a guillotine cutter. Bearings (14) are installed at both ends of the take-up roller (4), take-up shaft (5), guide roller (9) and pressing roller (10), and the outer wall of the bearing (14) is installed on the inner wall of the mounting hole and the support hole.
4. The apparatus of claim 1, wherein the apparatus further comprises a cutting device. The outer walls of the support plate (3) and the mounting plate (8) are respectively equipped with a winding motor (7) at one end of the winding roller (4), the winding shaft (5), the pressing roller (10) and the guide roller (9), and the output shaft of the winding motor (7) is connected to one end of the winding roller (4), the winding shaft (5), the pressing roller (10) and the guide roller (9).
5. The apparatus of claim 1, wherein the apparatus further comprises a cutting device. The outer wall of the guide roller (9) is provided with a cutting groove (11) at the cutting blade (12), and one end of the cutting blade (12) is rotatably connected in the cutting groove (11).
6. The apparatus of claim 4, wherein the cutting device is a guillotine cutter. The winding motor (7) is connected to a switch via a wire, and the switch is connected to a power source via a wire.