Automatic winding device for reflective film production

Abstract

The present invention relates to the technical field of reflective film production equipment, and provides an automatic winding device for reflective film production, including a winding component for winding up the reflective film, a conveying component for conveying the reflective film to the winding component at a first speed, and a film cutting component for cutting the reflective film; the film cutting component includes a laser component arranged above the conveying component, and the automatic winding device also includes a linear guide rail arranged along the conveying direction of the reflective film, the laser component is slidably connected to the linear guide rail, and the laser component is also connected to a linear driving component for driving the laser component to slide along the linear guide rail at a first speed. The automatic winding device for reflective film production provided by the present invention can cut the reflective film transversely by the laser of the laser component, thereby avoiding defects such as wrinkles caused by the pulling of the cutter, and has high production efficiency and does not affect the quality of the reflective film, and has a good use effect.

Description

Technical Field

[0001] The invention belongs to the technical field of reflective film production equipment, and in particular relates to an automatic winding equipment for reflective film production. Background Art

[0002] The current winding device of the reflective film generally requires a cutting knife to cut the reflective film when it is wound to a set length. For example, the winding device disclosed in CN2019221403710 includes a winding device body, the surface of the winding device body is sleeved with the reflective film body, the inner side of the winding device body is fixedly connected with a power box, the bottom of the inner side of the winding device body is slidably connected with a tension box, and the bottom of the tension box is fixedly connected with a tension spring. By setting the winding device body, the reflective film body, the power box, the tension box, the tension spring, the motor, the screw, the bearing, the screw sleeve, the cutting knife, the power slot, the bolt and the transmission mechanism for coordinated use, manual cutting is not required.

[0003] In the prior art, when the cutter is cutting, if the reflective film is being transported, the reflective film is usually stopped by braking before cutting. Moreover, the cutting method of the cutter may easily cause wrinkles and other surface defects on the reflective film, thus affecting the production efficiency and the quality of the reflective film. Summary of the invention

[0004] The object of the present invention is to overcome at least one of the deficiencies of the above-mentioned prior art and to provide an automatic winding device for the production of reflective film, which has high winding efficiency and can automatically cut off the reflective film. The reflective film has high fracture quality, high production efficiency and is conducive to ensuring the quality of the reflective film.

[0005] The technical solution of the present invention is: an automatic winding device for reflective film production, comprising a winding component for winding up the reflective film, a conveying component for conveying the reflective film to the winding component at a first speed, and a film cutting component for cutting the reflective film; the film cutting component comprises a laser component arranged above the conveying component, the automatic winding device also comprises a linear guide rail arranged along the conveying direction of the reflective film, the laser component is slidably connected to the linear guide rail, and the laser component is also connected to a linear driving component for driving the laser component to slide along the linear guide rail at a first speed.

[0006] Specifically, the conveying component includes a first group of conveying rollers and a second group of conveying rollers, the first group of conveying rollers and the second group of conveying rollers are arranged at intervals along the direction of the linear guide rail, and the winding component is close to the second group of conveying rollers.

[0007] Specifically, a bearing platform is arranged between the first group of conveying rollers and the second group of conveying rollers.

[0008] Specifically, a debris collector is provided on one side of the supporting platform.

[0009] Specifically, the laser component includes a sliding seat slidably connected to the linear guide rail and a laser head connected to the sliding seat, and a coaxial air blowing pipe is arranged at the laser head.

[0010] Specifically, the laser head is a power-adjustable laser head.

[0011] Specifically, the linear drive component is a linear motor.

[0012] Specifically, the winding component includes a winding reel and a motor for driving the winding reel to rotate.

[0013] Specifically, an elastic tensioner is arranged between the take-up reel and the second group of conveying rollers.

[0014] Specifically, the automatic winding device includes a protective cover covering the laser component and the transmission component.

[0015] The present invention provides an automatic winding device for the production of reflective film, in which the reflective film is cut transversely by the laser of a laser component, and because the laser component is slidably connected to the linear guide rail, during the cutting process, the laser component slides along the linear guide rail at a constant speed synchronously with the conveying direction of the reflective film, and there is no need to set a braking component to suspend the transmission of the reflective film, that is, there is no need to stop the conveying component. The automatic winding device can cut the reflective film by laser during the normal transmission of the reflective film, and the fracture of the reflective film is flush, thereby avoiding defects such as wrinkles caused by the pulling of the cutter, with high production efficiency and no influence on the quality of the reflective film, and good use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 is a three-dimensional schematic diagram of an automatic winding device for producing a reflective film provided by an embodiment of the present invention;

[0018] Figure 2 is another three-dimensional schematic diagram of an automatic winding device for producing reflective film provided by an embodiment of the present invention;

[0019] Figure 3 This is a front view of an automatic winding device for producing reflective film provided by an embodiment of the present invention;

[0020] Figure 4It is a left view of an automatic winding device for producing reflective film provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0022] like Figures 1 to 4 As shown, an automatic winding device for producing a reflective film provided by an embodiment of the present invention comprises a winding component 300 for winding up the reflective film, a conveying component for conveying the reflective film 930 to the winding component 300 at a first speed (constant speed), and a film cutting component for cutting the reflective film 930; the film cutting component comprises a laser component 200 arranged above the conveying component, the automatic winding device further comprises a linear guide rail 910 arranged along the conveying direction of the reflective film 930, the laser component 200 is slidably connected to the linear guide rail 910, and the laser component 200 is also connected to a device for driving the laser component 200 to slide along the linear guide rail 910 at a first speed (constant speed) Figure 2 The laser component 200 emits laser light to cut the reflective film 930 transversely, and because the laser component 200 is slidably connected to the linear guide rail 910, during the cutting process, the laser component 200 slides along the linear guide rail 910 at a first speed (constant speed), and there is no need to set a braking component to suspend the transmission of the reflective film 930, that is, there is no need to stop the conveying component. The automatic winding device can cut the reflective film 930 by laser during the normal transmission of the reflective film 930, and the fracture of the reflective film 930 is flush, avoiding defects such as wrinkles caused by the pulling of the cutter, and has high production efficiency without affecting the quality of the reflective film 930.

[0023] Specifically, the conveying component includes a first group of conveying rollers 110 and a second group of conveying rollers 120, and the first group of conveying rollers 110 and the second group of conveying rollers 120 are respectively arranged near the lower sides of the two ends of the linear guide rail 910. The first group of conveying rollers 110 and the second group of conveying rollers 120 are respectively clamped on the upper and lower sides of the reflective film 930, and can rotate synchronously to make the reflective film 930 be transmitted in the direction of the winding component 300 at a first speed. The first group of conveying rollers 110 and the second group of conveying rollers 120 respectively include an upper roller and a lower roller, and the upper roller of the first group of conveying rollers 110 and the upper roller of the second group of conveying rollers 120 can be sleeved with a first synchronous belt, and the lower roller of the first group of conveying rollers 110 and the lower roller of the second group of conveying rollers 120 can be sleeved with a second synchronous belt. The upper roller of the second group of conveying rollers 120 can be connected to a servo motor, and the servo motor is used to drive the upper roller of the second group of conveying rollers 120, and the servo motor is connected to a controller, and the controller is connected to the main control module of the automatic winding device. The first group of conveying rollers 110 and the second group of conveying rollers 120 are spaced apart from each other along the direction of the linear guide rail 910 , and the winding component 300 is close to the second group of conveying rollers 120 .

[0024] Specifically, a supporting platform 130 is arranged between the lower roller of the first group of conveying rollers 110 and the lower roller of the second group of conveying rollers 120. The supporting platform 130 can be located at the lower side of the reflective film 930 and close to the reflective film 930. The supporting platform 130 can be made of a rigid material (such as hard metal, ceramic, etc.), and a corrosion-resistant coating can be provided on its surface.

[0025] Specifically, the laser component 200 includes a sliding seat 210 slidably connected to the linear guide rail 910 and a laser head 220 connected to the sliding seat 210. The laser head 220 is provided with a coaxial air blowing pipe to blow away the debris that may be generated when the reflective film 930 is cut off. The laser head 220 cuts off the reflective film 930 through heat energy, and the debris is less (very little). The laser head 220 can be provided with a swing module. When the laser component 200 (sliding seat 210) slides along the linear guide rail 910 at a first speed, the swing module can enable the laser head 220 to move along the width direction ( Figure 2 The reflective film 930 is swung in the Y direction (in the middle) so that the laser emitted by the laser head 220 is emitted from one side of the reflective side to the other side in a straight line, and the cut surface of the reflective film 930 is perpendicular to the length direction and is flush.

[0026] Alternatively, a telescopic driving mechanism is provided between the laser head 220 and the sliding seat 210, and the telescopic driving mechanism is connected to the sliding seat 210 and the laser head 220. When the laser component 200 (sliding seat 210) slides along the linear guide rail 910 at a first speed, the telescopic driving mechanism can make the laser head 220 slide along the width direction of the reflective film 930 (carrier 130) ( Figure 2The reflective film 930 is cut in the Y direction so that the laser emitted by the laser head 220 is emitted from one side of the reflective side to the other side in a straight line, and the cut surface of the reflective film 930 is perpendicular to the length direction and is flush.

[0027] In a specific application, the height of the linear guide rail 910 is adjustable. In a specific application, the automatic winding device may include a frame (column 930), and one end of the linear guide rail 910 is slidably connected to the frame (column 930) to achieve lifting and lowering adjustment to meet different scene requirements.

[0028] Specifically, the length direction of the carrier 130 is along the direction of the linear slide rail, and a debris collector 150 may be provided on one or both sides of the width direction of the carrier 130. The debris collector 150 is shell-shaped and has an opening on the side facing the reflective film 930, so as to collect debris generated when the laser cuts the reflective film 930, so as to prevent the debris from adhering to the reflective film 930 and affecting the quality of the reflective film 930. The debris collector 150 may be connected to a vacuum tube (negative pressure tube), and the debris is collected in the debris collector 150 by using negative pressure.

[0029] Specifically, the laser head 220 is a power-adjustable laser head 220, which can adjust the power according to the thickness or material of the reflective film 930 to just cut off the reflective film 930. The automatic winding device can be provided with a touch screen 930, and the user can input parameters such as the thickness and material of the reflective film 930, and the main control module of the automatic winding device can automatically control the power of the laser head 220.

[0030] In a specific application, the lower roller of the second group of conveying rollers 120 may be provided with an electrostatic generator, so that the lower roller of the second group of conveying rollers 120 carries static electricity to absorb the cut reflective film 930, that is, near the second group of conveying rollers 120, the laser head 220 completely cuts off the reflective film 930 near the first group of conveying rollers 110, and the laser component 200 is reset along the linear guide rail toward the first group of conveying rollers 110. When cutting, the electrostatic generator carries static electricity on the lower roller of the second group of conveying rollers 120 to absorb the cut reflective film. After the reflective film is clamped by the second group of conveying rollers 120, the electrostatic generator can cut the film mode to eliminate the static electricity of the second group of conveying rollers 120.

[0031] Specifically, the linear drive component is a linear motor or an encoding motor. The linear motor or the encoding motor is connected to the main control module of the automatic winding device, so that the speed of the linear drive component can be consistent with the transmission speed of the reflective film 930. In a specific application, a speed sensor is provided on one side of the first group of conveying rollers 110 or / and the second group of conveying rollers 120, that is, a magnet is provided on the upper roller of the first group of conveying rollers 110 or / and the second group of conveying rollers 120, and a Hall sensor is provided on one side of the upper roller of the first group of conveying rollers 110 or / and the second group of conveying rollers 120 to measure the rotation speed of the upper roller of the first group of conveying rollers 110 or / and the second group of conveying rollers 120, so as to obtain the actual rotation speed of the reflective film 930, and the main control module can adjust the speed of the laser component 200 (sliding seat 210) according to the actual rotation speed, so that the laser head 220 and the reflective film 930 maintain the same speed in the transmission direction, and the control accuracy is high.

[0032] Specifically, the winding component 300 includes a winding reel 310 and a motor for driving the winding reel 310 to rotate. The motor can be connected to the main control module. The winding reel 310 or the motor can be connected to a rotation counting module to measure the winding amount of the reflective film 930 to automatically cut off the reflective film 930.

[0033] Specifically, an elastic tensioner may be provided between the take-up reel 310 and the second set of conveying rollers 120 , which has a good use effect.

[0034] Specifically, the automatic winding device includes a protective cover covering the laser component 200 and the transmission component, and the protective cover can be a metal cover to prevent accidents. An infrared camera can be set in the protective cover, and the infrared camera is connected to the main control module and the touch screen 930. It can display the cutting process in real time, and can also detect the quality of the incision by image recognition based on the captured image, and the use effect is good.

[0035] An automatic winding device for producing a reflective film 930 provided in an embodiment of the present invention comprises a winding component 300 for winding up the reflective film 930, a conveying component for conveying the reflective film 930 to the winding component 300 at a first speed (constant speed), and a film cutting component for cutting the reflective film 930; the film cutting component comprises a laser component 200 arranged above the conveying component, the automatic winding device further comprises a linear guide rail 910 arranged along the conveying direction of the reflective film 930, the laser component 200 is slidably connected to the linear guide rail 910, and the laser component 200 is also connected to a linear driving component for driving the laser component 200 to slide along the linear guide rail 910 at a first speed. The laser component 200 uses laser to cut the reflective film 930 laterally, and because the laser component 200 is slidably connected to the linear guide rail 910, during the cutting process, the laser component 200 slides along the linear guide rail 910 at a first speed (constant speed), and there is no need to set a braking component to suspend the transmission of the reflective film 930, that is, there is no need to stop the conveying component. The automatic winding device can cut the reflective film 930 by laser during the normal transmission of the reflective film 930. The fracture of the reflective film 930 is flush, avoiding defects such as wrinkles caused by the pulling of the cutter, with high production efficiency and no influence on the quality of the reflective film 930, and good use effect.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent substitution or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic winding device for the production of reflective film, characterized in that: The automatic winding device includes a winding component for winding up a reflective film, a conveying component for conveying the reflective film to the winding component at a first speed, and a film cutting component for cutting the reflective film; the film cutting component includes a laser component arranged above the conveying component, and the automatic winding device also includes a linear guide rail arranged along the conveying direction of the reflective film, the laser component is slidably connected to the linear guide rail, and the laser component is also connected to a linear driving component for driving the laser component to slide along the linear guide rail at a first speed, and the linear driving component is a linear motor or an encoding motor, and the linear motor or the encoding motor is connected to the main control module of the automatic winding device; the conveying component It comprises a first group of conveying rollers and a second group of conveying rollers, each of which comprises an upper roller and a lower roller, the upper roller of the first group of conveying rollers and the upper roller sleeve of the second group of conveying rollers are provided with a first synchronous belt, the lower roller of the first group of conveying rollers and the lower roller sleeve of the second group of conveying rollers are provided with a second synchronous belt, the upper roller of the second group of conveying rollers is connected with a servo motor, the servo motor is connected with a controller, the controller is connected to the main control module of the automatic winding device, a speed sensor is provided on one side of the first group of conveying rollers or / and the second group of conveying rollers, the laser component slides forward at a constant speed along the linear guide rail until the laser component cuts off the reflective film, and the laser component moves backward along the linear guide rail to reset; The laser component comprises a sliding seat slidably connected to the linear guide rail and a laser head connected to the sliding seat, a coaxial air blowing pipe is arranged at the laser head, and a swing module is arranged at the laser head. When the laser component slides along the linear guide rail at a first speed, the swing module makes the laser head swing along the width direction of the reflective film; the main control module adjusts the speed of the laser component according to the actual rotation speed so that the laser head and the reflective film maintain the same speed in the transmission direction; the lower roller of the second group of conveying rollers is provided with an electrostatic generator so that the lower roller of the second group of conveying rollers is charged with static electricity to adsorb the cut reflective film; A supporting platform is arranged between the lower roller of the first group of conveying rollers and the lower roller of the second group of conveying rollers. The supporting platform is located at the lower side of the reflective film and close to the reflective film. A corrosion-resistant coating is arranged on the surface of the supporting platform. The length direction of the supporting platform is along the direction of the linear slide rail. A debris collector is arranged on one side or both sides in the width direction of the supporting platform. The debris collector is shell-shaped and has an opening on the side facing the reflective film. The debris collector is connected to a vacuum tube.

2. The automatic winding device for producing reflective film according to claim 1, characterized in that: The first group of conveying rollers and the second group of conveying rollers are arranged at intervals along the direction of the linear guide rail, and the winding component is close to the second group of conveying rollers.

3. The automatic winding device for producing reflective film according to claim 1, characterized in that: The laser head is a power-adjustable laser head.

4. An automatic winding device for producing reflective film according to any one of claims 1 to 3, characterized in that: The winding component comprises a winding reel and a motor for driving the winding reel to rotate.

5. The automatic winding device for producing reflective film according to claim 4, characterized in that: An elastic tensioner is arranged between the take-up reel and the second group of conveying rollers.

6. An automatic winding device for producing reflective film according to any one of claims 1 to 3, characterized in that: The automatic winding device comprises a protective cover covering the laser component and the transmission component.

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