Automatic overturning structure of LED backlight film
By introducing a correction mechanism and a cleaning mechanism into the LED backlight film applicator, the problem of film offset during the film flipping process is solved, thereby improving production efficiency and equipment lifespan.
Patent Information
- Application Number
- CN202423239182.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The flipping device in existing LED backlight film laminating machines is prone to causing film misalignment, which affects the normal operation of subsequent processes.
An automatic flipping structure was designed, which includes a feeding component, a flipping component, a feeding component, and a correction mechanism. The diaphragm is corrected by a servo motor driving a rotating rod to drive gears and racks. A cleaning mechanism is also provided to remove dust.
It effectively reduces diaphragm misalignment, improves the ease of use and lifespan of the device, and the cleaning mechanism improves the cleanliness of the production environment.
Smart Images

Figure CN223559943U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to LED backlight pasting film technical field, concretely is a kind of automatic turnover structure of LED backlight pasting film. BACKGROUND
[0002] LED backlight pasting film is a kind of optical film piece widely used in electronic display equipment, mainly for providing uniform, soft backlight effect, it is usually composed of one or more optical materials, and the equipment for LED backlight pasting film production is called LED backlight pasting film machine, and there are multiple processes in LED backlight pasting film machine, including turnover process, when one side of LED backlight pasting film is completed, it is turned over by automatic turnover mechanism, to facilitate subsequent film pasting operation;The existing turnover device is usually composed of feeding assembly, turnover assembly and feeding assembly, the film piece is transferred to turnover assembly by feeding assembly, then turnover assembly drives film piece to turn over and fall on the surface of feeding assembly, since feeding assembly and turnover assembly are up-down translation, and are taken and placed by suction cup adsorption or loosening, so that film piece is easy to deviate after completing turnover and falling on the surface of feeding assembly, thereby affecting subsequent process.
[0003] To solve the above problems, the existing technology (application number CN201520611578.0, publication date 2016-06-15 of Chinese patent) discloses a turnover guide mechanism of backlight module pasting film machine, the nozzle mounting plate is adjusted to the appropriate angle position by the positive drive device, the film piece is sucked by the nozzle, the film piece is rotated and adjusted to parallel with the next process position by the guide drive device after the nozzle completes taking, and the film piece is conveyed to the next process position by the guide device through the conveying device;Although the existing technology can realize auxiliary deviation correction of film piece by guide drive device, it is mainly arranged before conveying device, and vibration and friction force are generated when film piece is conveyed, so that film piece is still easy to deviate;Therefore, we propose an automatic turnover structure of LED backlight pasting film to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an automatic turnover structure of LED backlight pasting film to solve the problem of poor deviation correction effect of film piece in the market.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: an automatic turnover structure of LED backlight pasting film, including the feeding assembly of setting in the rear, one side of the top of feeding assembly is installed turnover assembly, and the feeding assembly extends to the top of feeding assembly, the other side of the top of feeding assembly is provided with the deviation rectifying mechanism, and the deviation rectifying mechanism includes frame, rotating rod, servo motor, gear and shell, the top of feeding assembly is installed frame, and the inside of frame is installed servo motor, the output of servo motor is connected with rotating rod, and the outside of rotating rod is equipped with gear, the inside of frame is connected with the shell of symmetrical setting with sliding.
[0006] Further, the center line of the rotating rod is perpendicular to the center line of the frame, and the two shells are respectively arranged above and below the rotating rod.
[0007] Further, the deviation rectifying mechanism further comprises a rack, a damper, a return spring and a deviation rectifying plate, one end of the shell is welded with the rack, and the bottom end of the shell is welded with the deviation rectifying plate, the deviation rectifying plate extends to the outside of the frame, and the bottom end of the deviation rectifying plate is attached to the top end of the feeding assembly.
[0008] Further, the rack is engagedly connected with the gear, and the damper is installed between the shell and the frame, the damper extends to the inside of the shell, and the return spring is connected between the shell and the frame, and the return spring is arranged outside the damper.
[0009] Further, the top end of the feeding assembly is provided with a cleaning mechanism, and the cleaning mechanism is arranged on one side of the deviation rectifying mechanism, the cleaning mechanism comprises a bracket, a worm, a lead screw, a worm gear, a supporting block, a dust collector and a dust collection box, and the side of the rotating rod is welded with the worm.
[0010] Further, the top end of the feeding assembly is provided with a cleaning mechanism, and the cleaning mechanism is arranged on one side of the deviation rectifying mechanism, the cleaning mechanism comprises a bracket, a worm, a lead screw, a worm gear, a supporting block, a dust collector and a dust collection box, and the side of the rotating rod is welded with the worm.
[0011] Further, the worm is arranged above the lead screw, and the lead screw is threadedly connected with the supporting block arranged symmetrically on the outside, the bottom end of the supporting block is provided with the dust collector, and the dust collector is connected with the dust collection box and extends to the outside of the bracket.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] (1) It is provided with a deviation rectifying mechanism, the feeding assembly, the feeding assembly, the turnover assembly and the deviation rectifying mechanism are started through the control screen, the diaphragm is conveyed to the top of the turnover assembly through the feeding assembly, so that the diaphragm is turned over through the turnover assembly, and then the diaphragm is placed at the top of the feeding assembly through the turnover assembly, and the deviation rectifying mechanism is rectified, thereby improving the convenience of the device.
[0014] (2) Further, the servo motor is started through the control screen to carry out interval forward and reverse rotation, so that the gear is driven to rotate through the rotating rod, the rack is driven to rotate through the gear, and the shell is driven to translate together through the rack, so that the deviation rectifying plate is driven to reciprocate and separate, thereby realizing the deviation rectification of the diaphragm.
[0015] (3) Further, the shell translation drives the damper to continuously stretch and shrink, so that the return spring is driven to reciprocate, and then the return spring is contracted and then releases the elastic force, and the return spring forms a thrust force on the shell, so that the burden of the servo motor can be effectively reduced, thereby prolonging the service life of the device.
[0016] (4) It is provided with a cleaning mechanism, the rotating rod is driven to rotate through the servo motor, so that the worm is driven to rotate through the rotating rod, and then the screw rod is driven to rotate through the worm gear, since the screw rod is a bidirectional threaded screw rod, when the screw rod rotates, two dust collectors are driven to reciprocate and translate through the supporting block, thereby realizing the cleaning of the dust adhered to the surface of the diaphragm. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is a front view structure schematic diagram of the utility model;
[0018] Figure 2 It is a deviation rectifying mechanism side view cut structure schematic diagram of the utility model;
[0019] Figure 3 It is a deviation rectifying mechanism three-dimensional enlarged structure schematic diagram of the utility model;
[0020] Figure 4 It is a side view structure schematic diagram of the utility model;
[0021] Figure 5 It is a cleaning mechanism side view cut structure schematic diagram of the utility model;
[0022] Figure 6 It is a cleaning mechanism three-dimensional enlarged structure schematic diagram of the utility model.
[0023] In the figure: 1, the feeding assembly; 2, the feeding assembly; 3, the turnover assembly; 4, the deviation rectifying mechanism; 401, the frame; 402, the rotating rod; 403, the servo motor; 404, the gear; 405, the shell; 406, the rack; 407, the damper; 408, the reset spring; 409, the deviation rectifying plate; 5, the cleaning mechanism; 501, the support; 502, the worm; 503, the screw rod; 504, the worm gear; 505, the support block; 506, the dust collector; 507, the dust collecting box. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] The utility model provides the following technical scheme:
[0026] Embodiment one: in order to realize the deviation rectifying of the diaphragm, reference is made to the accompanying drawings Figure 1 - the accompanying drawings Figure 3 , including the feeding assembly 1 set behind the feeding assembly 2, the turnover assembly 3 is installed on one side of the top of the feeding assembly 2, and the feeding assembly 1 extends to the top of the feeding assembly 2, the deviation rectifying mechanism 4 is arranged on the other side of the top of the feeding assembly 2, and the deviation rectifying mechanism 4 includes the frame 401, the rotating rod 402, the servo motor 403, the gear 404 and the shell 405, the frame 401 is installed on the top of the feeding assembly 2, the servo motor 403 is installed in the inside of the frame 401, the rotating rod 402 is connected on the output end of the servo motor 403, the gear 404 is sleeved on the outside of the rotating rod 402, the symmetrical shell 405 is slidably connected in the inside of the frame 401, the center line of the rotating rod 402 is perpendicular to the center line of the frame 401, and the two shell 405 are arranged above and below the rotating rod 402 respectively, the deviation rectifying mechanism 4 further includes the rack 406, the damper 407, the reset spring 408 and the deviation rectifying plate 409, one end of the shell 405 is welded with the rack 406, the bottom end of the shell 405 is welded with the deviation rectifying plate 409, the deviation rectifying plate 409 extends to the outside of the frame 401, the bottom end of the deviation rectifying plate 409 is attached to the top of the feeding assembly 2, the rack 406 is engagedly connected with the gear 404, the damper 407 is installed between the shell 405 and the frame 401, the damper 407 extends to the inside of the shell 405, the reset spring 408 is connected between the shell 405 and the frame 401, and the reset spring 408 is arranged on the outside of the damper 407.
[0027] The deviation correction mechanism 4 is arranged, the feeding assembly 1, the feeding assembly 2, the turnover assembly 3 and the deviation correction mechanism 4 are started through the control screen, the diaphragm is conveyed to the top of the turnover assembly 3 through the feeding assembly 1, so that the diaphragm is turned over through the turnover assembly 3, and then the diaphragm is placed at the top of the feeding assembly 2 through the turnover assembly 3, and the deviation correction mechanism 4 is used for correcting the deviation, so that the convenience of the device is improved, further, the servo motor 403 is started through the control screen to realize the forward and reverse rotation, so that the gear 404 is driven to rotate through the rotating rod 402, then the rack 406 is driven to rotate through the gear 404, and the shell 405 is driven to translate together through the rack 406, so that the deviation correction plate 409 is driven to reciprocate and separate, so that the deviation of the diaphragm is corrected, further, the damper 407 is driven to continuously stretch and contract when the shell 405 translates, so that the return spring 408 is driven to reciprocate, then the return spring 408 is contracted and then releases the elastic force, and the return spring 408 forms a thrust force on the shell 405, so that the burden of the servo motor 403 can be effectively reduced, thereby prolonging the service life of the device.
[0028] Embodiment two: in order to realize the cleaning of the dust on the surface of the diaphragm, please refer to the attached Figure 4 -attached Figure 6 The top of the feeding assembly 2 is provided with a cleaning mechanism 5, and the cleaning mechanism 5 is arranged on one side of the deviation correction mechanism 4, the cleaning mechanism 5 comprises a support 501, a worm 502, a lead screw 503, a worm gear 504, a supporting block 505, a dust collector 506 and a dust collecting box 507, the worm 502 is welded on one side of the rotating rod 402, the support 501 is installed at the top of the feeding assembly 2, and the worm 502 is arranged in the support 501, the lead screw 503 is connected to the support 501 through a bearing, and the worm gear 504 is arranged on the outer side of the lead screw 503, the dust collecting box 507 is installed at the top of the support 501, the worm 502 is arranged above the lead screw 503, and the supporting block 505 is symmetrically arranged on the outer side of the lead screw 503 in threaded connection, the dust collector 506 is installed at the bottom of the supporting block 505, and the dust collector 506 is connected with the dust collecting box 507 and extends to the outside of the support 501.
[0029] The cleaning mechanism 5 is arranged, the rotating rod 402 is driven to rotate through the servo motor 403, so that the worm 502 is driven to rotate through the rotating rod 402, then the lead screw 503 is driven to rotate through the worm gear 504, since the lead screw 503 is a bidirectional threaded lead screw 503, when the lead screw 503 rotates, the two dust collectors 506 are driven to reciprocate through the supporting block 505, so that the dust adhered to the surface of the feeding assembly 2 and the diaphragm is cleaned.
[0030] The content not described in detail in the specification belongs to the prior art known to those skilled in the art, although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. An automatic turnover structure of LED backlighting film, comprising a feeding assembly (2) provided behind a feeding assembly (1), one side of the top end of the feeding assembly (2) is provided with a turnover assembly (3), and the feeding assembly (1) extends above the feeding assembly (2); characterized in that one side of the top end of the feeding assembly (2) is provided with a deviation rectifying mechanism (4), and the deviation rectifying mechanism (4) comprises a frame (401), a rotating rod (402), a servo motor (403), a gear (404) and a housing (405), the top end of the feeding assembly (2) is provided with the frame (401), the inside of the frame (401) is provided with the servo motor (403), the output end of the servo motor (403) is connected with the rotating rod (402), the outside of the rotating rod (402) is provided with the gear (404), and the inside of the frame (401) is slidably connected with the symmetrically arranged housings (405).
2. The automatic turnover structure of the LED backlighting film according to claim 1, characterized in that: The center line of the rotating rod (402) is perpendicular to the center line of the frame (401), and the two housings (405) are arranged above and below the rotating rod (402) respectively.
3. The automatic turnover structure of LED backlighting film according to claim 1, characterized in that: The deviation rectifying mechanism (4) further comprises a rack (406), a damper (407), a reset spring (408) and a deviation rectifying plate (409), one end of the housing (405) is welded with the rack (406), and the bottom end of the housing (405) is welded with the deviation rectifying plate (409), the deviation rectifying plate (409) extends to the outside of the frame (401), and the bottom end of the deviation rectifying plate (409) is attached to the top end of the feeding assembly (2).
4. The automatic turnover structure of the LED backlighting film according to claim 3, characterized in that: The rack (406) is in meshing connection with the gear (404), the damper (407) is arranged between the housing (405) and the frame (401), the damper (407) extends to the inside of the housing (405), the reset spring (408) is connected between the housing (405) and the frame (401), and the reset spring (408) is arranged outside the damper (407).
5. The automatic turnover structure of LED backlighting sticker film according to claim 1, characterized in that: The top end of the feeding assembly (2) is provided with a cleaning mechanism (5), and the cleaning mechanism (5) is arranged on one side of the deviation rectifying mechanism (4), the cleaning mechanism (5) comprises a support (501), a worm (502), a lead screw (503), a worm gear (504), a supporting block (505), a dust collector (506) and a dust collecting box (507), and one side of the rotating rod (402) is welded with the worm (502).
6. The automatic turnover structure of the LED backlighting film according to claim 5, characterized in that: The top end of the feeding assembly (2) is provided with the support (501), and the worm (502) is arranged in the inside of the support (501), the inside of the support (501) is connected with the lead screw (503) through a bearing, the outside of the lead screw (503) is provided with the worm gear (504), and the top end of the support (501) is provided with the dust collecting box (507).
7. The automatic turnover structure of LED backlighting sticker film according to claim 5, characterized in that: The worm (502) is arranged above the screw rod (503), the outer side of the screw rod (503) is threadedly connected with symmetrically arranged supporting blocks (505), the bottom end of the supporting block (505) is provided with a dust collector (506), the dust collector (506) is connected with a dust collecting box (507), and the dust collector (506) extends to the outer side of the support (501).
Citation Information
Patent Citations
Positive mechanism is led in upset of back of body light source module sticking film machine
CN205312706U