A FOD hole protective film attaching device

Abstract

The present invention discloses a FOD hole protective film attaching device, which includes a protective film feeding mechanism, an adsorption mechanism and a lens adjustment mechanism. The two protective film feeding mechanisms are butt-jointed on the right side with an adsorption mechanism, and the front side of the protective film feeding mechanism is provided with a lens adjustment mechanism. The protective film feeding mechanism includes a pull-out base, a feeding bracket fixed on the pull-out base, and a material tray assembly, a peeling assembly, a driving wheel, a tensioning assembly, a recovery material tray and a motor are installed on the vertical plate of the feeding bracket. The motor drives the driving wheel and the recovery material tray to rotate respectively through a belt, and the tensioning wheel of the tensioning assembly is close to the driving wheel, and the feeding bracket and the ground are connected by a drag chain. In the above manner, the present invention has a compact structure, can automatically peel off the adsorbed protective film, position and attach it to the specified position, has high efficiency, saves labor, is convenient for material replacement, can prevent the protective film from sticking to the bearing block, and ensures the tension of the material belt during operation.

Description

Technical Field

[0001] The present invention relates to the field of attaching technology, and in particular to a FOD hole protective film attaching device. Background Art

[0002] Based on the above defects and shortcomings, it is necessary to improve the existing technology and design a FOD hole protective film attachment device.

[0003] There is a FOD optical isolator at the camera of the mobile phone. In order to protect the camera, a protective film needs to be attached to the DOD hole. Currently, most of the attachment is done manually. Due to the small size of the product and the soft film itself, the product is first placed in the positioning device during the attachment process, and the sheet film is taken out and attached to the product piece by piece with tweezers. Frequent operations and eye fatigue bring operators disadvantages such as heavy workload and slow efficiency. Manual attachment is difficult to ensure the position accuracy of attachment, low efficiency, and easy to damage the protective film and product. Some attachment equipment has also appeared on the market. The protective film is easy to stick to the board after peeling off, and the material belt output is prone to slipping. Due to the equipment space, the replacement of the material roll is extremely troublesome. Based on the above defects and deficiencies, it is necessary to improve the existing technology and design a FOD hole protective film attachment equipment. Summary of the invention

[0004] The main technical problem solved by the present invention is to provide a FOD hole protective film attaching device with compact structure, stable operation, and the ability to automatically peel off the adsorbed protective film and position and attach it to a designated position. It is highly efficient, saves labor, and is convenient for material replacement. It can prevent the protective film from sticking to the supporting block and ensure the tension of the material belt during operation.

[0005] In order to solve the above technical problems, a technical solution adopted by the present invention is: to provide a FOD hole protective film attaching device, which includes a protective film feeding mechanism, an adsorption mechanism and a lens adjustment mechanism. The two protective film feeding mechanisms are connected on the right side with an adsorption mechanism, and a lens adjustment mechanism is arranged on the front side of the protective film feeding mechanism. The protective film feeding mechanism includes a pull-out base, a feeding bracket fixed on the pull-out base, and a material tray assembly, a peeling assembly, a driving wheel, a tensioning assembly, a recovery material tray and a motor are installed on the vertical plate of the feeding bracket. The motor drives the driving wheel and the recovery material tray to rotate respectively through a belt, the tensioning wheel of the tensioning assembly is close to the driving wheel, and the feeding bracket and the ground are connected by a drag chain.

[0006] Preferably, the pull-out base includes a first linear slide, a first push plate, a second linear slide, a second push plate, a limit block, a handle, a positioning cylinder, a positioning pin, a shading sheet and a sensor, the first push plate is installed on the slide rail of the first linear slide, the second linear slide is installed on the first push plate, the second push plate is installed on the slide rail of the second linear slide, limit blocks opposite to the sliding blocks on the linear slides are installed at both ends of the lower planes of the first push plate and the second push plate, a handle is installed at one end of the second push plate, a positioning hole is provided at the other end of the second push plate, a positioning cylinder is installed on the ground below the positioning hole, a positioning pin is installed on the telescopic rod of the positioning cylinder, a shading sheet is installed on the side end of the second push plate, and a sensor matching with it is provided on the ground.

[0007] Preferably, the material tray assembly includes a rotating shaft, a protective film material roll, a fixing ring, a locking screw, a fixing frame, a connecting column, a movable frame, a connecting plate and a buffer spring, the rotating shaft is inserted into the vertical plate of the feed bracket through a bearing seat, the front end of the rotating shaft is sleeved with a protective film material roll and a fixing ring, the locking screw passes through the fixing ring and is locked to the rotating shaft, a fixing frame is installed on the vertical plate of the feed bracket at the rear end of the rotating shaft, two connecting columns are inserted on the fixing frame, a movable frame is fixed at the bottom of the connecting column, a connecting plate is installed on the upper part of the connecting column, a buffer spring is sleeved on the connecting column between the connecting plate and the fixing frame, and an arc groove matching the rotating shaft is provided at the upper end of the fixing frame, under the elastic force of the buffer spring, the fixing frame moves up to resist the rotating shaft, when the equipment stops working, the rotating shaft is prevented from rotating, and when the equipment is running, the protective film material roll is prevented from rotating too much under the action of inertia and causing the material belt to loosen.

[0008] Preferably, the stripping assembly includes a support frame, a guide wheel, an adsorption plate, a stripping plate, a carrying block, a waste box, a connecting block, a pressure wheel and a light sensor, the support frame is fixed on the feeding frame, the feeding frame at the upper right corner and the lower right corner of the support frame is equipped with guide wheels, the adsorption plate and the stripping plate are installed on the support frame, the upper end of the adsorption plate is provided with interconnected adsorption holes, the adsorption plate is externally connected to a vacuum pump, and a carrying block and a waste box are sequentially arranged on the left side of the stripping plate, the upper end surface of the carrying block is serrated, and the side of the peeled protective film with glue is placed on the carrying block, the serrated end surface prevents the protective film from sticking to the carrying block, the material tape on the protective film roll passes through the guide wheel, the adsorption plate and the stripping plate in turn, the material tape bottom paper is transported from between the stripping plate and the supporting block to the driving wheel, a connecting block is installed on the feeding frame above the material tape, pressure wheels are inserted at both ends of the lower part of the connecting block, the pressure wheels press the two sides of the material tape, and relative light sensors are installed on the feeding frames above and below the material tape.

[0009] Preferably, the tensioning assembly includes a tensioning frame, a tensioning connecting shaft, a tensioning roller and a tensioning spring. The tensioning frame is fixed on the feeding bracket. Two rectangular opening grooves are provided at the front end of the tensioning frame. The tensioning connecting shaft is installed in the rectangular opening grooves. The tensioning connecting shaft is sleeved with a tensioning roller. The tensioning connecting shaft is sleeved with a tensioning spring. The tensioning roller is elastically arranged and close to the driving wheel to avoid reversal of the bottom paper of the material belt on the recovery material tray and ensure the tension of the material belt.

[0010] Preferably, the adsorption mechanism includes an adsorption bracket, a three-way driving module, a driving plate, a turntable cylinder, a lifting cylinder and a suction block. The three-way driving module is installed on the adsorption bracket, the output end of the three-way driving module is installed with a driving plate, two turntable cylinders are installed on the driving plate, the turntable of the turntable cylinder is installed with a lifting cylinder, the suction block is installed on the telescopic flange plate of the lifting cylinder, the lower end surface of the suction block is provided with a suction hole, and the lower end surface of the suction block is also provided with an avoiding groove.

[0011] Preferably, the lens adjustment mechanism comprises an adjustment bracket, a lifting cylinder, a camera assembly and a light source, the adjustment bracket is mounted with the lifting cylinder, the telescopic rod of the lifting cylinder is mounted with the camera assembly, and the adjustment bracket above the camera assembly is provided with a light source.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] The pull-out base can be pulled out and positioned, making it easy to change materials and maintain;

[0014] The setting of the material tray assembly, under the elastic force of the buffer spring, the fixed frame moves up to abut against the rotating shaft to ensure the tension of the protective film roll;

[0015] The serrated end surface of the bearing block prevents the protective film from sticking to the bearing block;

[0016] The setting of the tensioning assembly, the elastic setting of the tensioning roller, close to the driving wheel, avoids the reversal of the bottom paper of the material belt on the recycling tray, and ensures the tension of the material belt;

[0017] It has a compact structure and runs smoothly. It can automatically peel off the adsorption protective film and position it to attach it to the designated position with high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a FOD hole protective film attaching device.

[0019] Figure 2 This is a first-person structural diagram of a protective film feeding mechanism of a FOD hole protective film attaching device.

[0020] Figure 3 This is a second-angle structural schematic diagram of a protective film feeding mechanism of a FOD hole protective film attaching device.

[0021] Figure 4 This is a schematic diagram of the structure of a tray assembly of a FOD hole protective film attaching device.

[0022] Figure 5 for Figure 2 Partial enlargement of Figure A.

[0023] Figure 6 This is a schematic diagram of the tensioning component structure of a FOD hole protective film attaching device.

[0024] Figure 7 This is a schematic diagram of the partial structure of the adsorption mechanism of a FOD hole protection film attachment device.

[0025] Figure 8 This is a schematic diagram of the lens adjustment mechanism structure of a FOD hole protective film attaching device. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0027] See also Figures 1 to 8 , the embodiment of the present invention includes:

[0028] A FOD hole protective film attaching device, the FOD hole protective film attaching device comprises a protective film feeding mechanism 1, an adsorption mechanism 2 and a lens adjustment mechanism 3, the adsorption mechanism 2 is arranged on the right side of the two protective film feeding mechanisms 1, and the lens adjustment mechanism 3 is arranged on the front side of the protective film feeding mechanism 1, the protective film feeding mechanism 1 comprises a pull-out base 11, a feeding bracket 12 fixed on the pull-out base 11, a material tray assembly 13, a peeling assembly 14, a driving wheel 15, a tensioning assembly 16, a recovery material tray 17 and a motor 18 are installed on the vertical plate of the feeding bracket 12, the motor 18 drives the driving wheel 15 and the recovery material tray 17 to rotate respectively through a belt, the tensioning wheel of the tensioning assembly 16 is close to the driving wheel 15, and the feeding bracket 12 is connected to the ground through a drag chain.

[0029] The pull-out base 11 includes a first linear slide 111, a first push plate 112, a second linear slide 113, a second push plate 114, a limit block 115, a handle 116, a positioning cylinder 117, a positioning pin 118, a shading sheet 119 and a sensor 1110. The first linear slide 111 is provided with a first push plate 112, the first push plate 112 is provided with a second linear slide 113, the second push plate 114 is provided with a second linear slide 113, and the first push plate 116 is provided with a second push plate 117. Limit blocks 115 opposite to the slider on the linear guide rail are installed at both ends of the lower plane of a push plate 112 and a second push plate 114, a handle 116 is installed on one end of the second push plate 114, a positioning hole 1140 is provided at the other end of the second push plate 114, a positioning cylinder 117 is installed on the ground below the positioning hole 1140, a positioning pin 118 is installed on the telescopic rod of the positioning cylinder 117, a shading sheet 119 is installed on the side end of the second push plate 114, and a sensor 1110 cooperating with it is provided on the ground.

[0030] The material tray assembly 13 includes a rotating shaft 131, a protective film material roll 132, a fixing ring 133, a locking screw 134, a fixing frame 135, a connecting column 136, a movable frame 137, a connecting plate 138 and a buffer spring 139. The rotating shaft 131 is inserted into the vertical plate of the feeding bracket 12 through a bearing seat. The front end of the rotating shaft 131 is sleeved with a protective film material roll 132 and a fixing ring 133. The locking screw 134 passes through the fixing ring 133 and is locked to the rotating shaft 131. The fixing frame 135 is installed on the vertical plate of the feeding bracket 12 at the rear end of the rotating shaft 131. 5, two connecting columns 136 are inserted on the connecting column 136, a movable frame 137 is fixed at the bottom of the connecting column 136, a connecting plate 138 is installed on the upper part of the connecting column 136, a buffer spring 139 is sleeved on the connecting column 136 between the connecting plate 138 and the fixing frame 135, and an arc groove matched with the rotating shaft 131 is provided on the upper end of the fixing frame 135. Under the elastic force of the buffer spring 139, the fixing frame 135 moves up to abut against the rotating shaft 131, and when the equipment stops working, the rotating shaft 131 is prevented from rotating. When the equipment is running, the protective film material roll 132 is prevented from rotating too much under the action of inertia to cause the material belt to loosen.

[0031] The stripping assembly 14 includes a support frame 141, a guide wheel 142, an adsorption plate 143, a stripping plate 144, a bearing block 145, a waste box 146, a connecting block 147, a pressure wheel 148 and a light sensor 149. The support frame 141 is fixed on the feeding frame 12. The feeding frame 12 at the upper right corner and the lower right corner of the support frame 141 is plugged with a guide wheel 142. The adsorption plate 143 and the stripping plate 144 are installed on the support frame 141. The upper end of the adsorption plate 143 is provided with interconnected adsorption holes. The adsorption plate 143 is externally connected to a vacuum pump. The left side of the stripping plate 144 is provided with a bearing block 145 and a waste box 146 in sequence. The upper end surface of the supporting block 145 is serrated, and the adhesive side of the peeled protective film is placed on the supporting block 145. The serrated end surface prevents the protective film from sticking to the supporting block 145. The upper material belt of the protective film roll 132 passes through the guide wheel 142, the adsorption plate 143 and the peeling plate 144 in sequence, and the backing paper of the material belt is transported from between the peeling plate 144 and the supporting block 145 to the driving wheel 15. A connecting block 147 is installed on the feeding bracket 12 above the material belt, and pressure wheels 148 are inserted at both ends of the lower part of the connecting block 147. The pressure wheels 148 press the two sides of the material belt, and relative light sensors 149 are installed on the feeding brackets 12 above and below the material belt.

[0032] The tensioning assembly 16 includes a tensioning frame 161, a tensioning connecting shaft 162, a tensioning roller 163 and a tensioning spring 164. The tensioning frame 161 is fixed on the feeding bracket 12. Two rectangular opening grooves are provided at the front end of the tensioning frame 161. The tensioning connecting shaft 162 is installed in the rectangular opening grooves. The tensioning connecting shaft 162 is sleeved with a tensioning roller 163. The tensioning connecting shaft 162 is sleeved with a tensioning spring 164. The tensioning roller 163 is elastically arranged and is close to the driving wheel 15 to prevent the bottom paper of the material belt of the recovery material tray 17 from reversing, thereby ensuring the tension of the material belt.

[0033] The adsorption mechanism 2 includes an adsorption bracket 21, a three-way driving module 22, a driving plate 23, a turntable cylinder 24, a lifting cylinder 25 and a suction block 26. The three-way driving module 22 is installed on the adsorption bracket 21, and the driving plate 23 is installed on the output end of the three-way driving module 22. Two turntable cylinders 24 are installed on the driving plate 23. The lifting cylinder 25 is installed on the turntable of the turntable cylinder 24. The suction block 26 is installed on the telescopic flange plate of the lifting cylinder 25. The lower end surface of the suction block 26 is provided with a suction hole, and the lower end surface of the suction block 26 is also provided with an avoiding groove.

[0034] The lens adjustment mechanism 3 includes an adjustment bracket 31, a lifting cylinder 32, a camera assembly 33 and a light source 34. The lifting cylinder 32 is installed on the adjustment bracket 31, the camera assembly 33 is installed on the telescopic rod of the lifting cylinder 32, and the adjustment bracket 31 above the camera assembly 33 is provided with a light source 34.

[0035] When the FOD hole protective film attaching device of the present invention is working, the motor 18 drives the driving wheel 15 and the recovery material tray 17 to rotate, thereby pulling the protective film material roll 132 on the material tray assembly 13 to move, and the material tape is peeled off after passing through the peeling assembly 14, and the adsorption plate 143 adsorbs the bottom paper of the material tape, and the pressure wheel 148 presses the bottom paper of the material tape. The material tape passes between the peeling plate 144 and the supporting block 145 and is peeled off. The peeled protective film is located on the supporting block 145, and the bottom paper passes between the driving wheel 15 and the tensioning assembly 16 and is wound onto the recovery material tray 17. The adsorption mechanism 2 adsorbs the protective film located on the supporting block 145 after peeling and moves it to above the lens adjustment mechanism 3, detects the position of the protective film, and then attaches the protective film to the FOD hole of the mobile phone screen.

[0036] The present invention discloses an FOD hole protective film attaching device with compact structure and stable operation. The device can automatically peel off the adsorbed protective film and position and attach it to a designated position. The device has high efficiency, saves labor, and is convenient for material replacement. The device can prevent the protective film from sticking to a bearing block and ensure the tension of the material belt during operation.

[0037] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification and drawings, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A FOD hole protective film attaching device, characterized in that: The FOD hole protective film attaching device includes a protective film feeding mechanism, an adsorption mechanism and a lens adjustment mechanism. The two protective film feeding mechanisms are connected on the right side with an adsorption mechanism, and the front side of the protective film feeding mechanism is provided with a lens adjustment mechanism. The protective film feeding mechanism includes a pull-out base, a feeding bracket fixed on the pull-out base, and a material tray assembly, a peeling assembly, a driving wheel, a tensioning assembly, a recovery material tray and a motor are installed on the vertical plate of the feeding bracket. The motor drives the driving wheel and the recovery material tray to rotate respectively through a belt, the tensioning wheel of the tensioning assembly is close to the driving wheel, and the feeding bracket and the ground are connected by a drag chain; The pull-out base includes a first linear slide, a first push plate, a second linear slide, a second push plate, a limit block, a handle, a positioning cylinder, a positioning pin, a shading sheet and a sensor, the first push plate is installed on the slide rail of the first linear slide, the second linear slide is installed on the first push plate, the second push plate is installed on the slide rail of the second linear slide, limit blocks opposite to the slider on the linear slide are installed at both ends of the lower planes of the first push plate and the second push plate, a handle is installed on one end of the second push plate, a positioning hole is provided at the other end of the second push plate, a positioning cylinder is installed on the ground below the positioning hole, a positioning pin is installed on the telescopic rod of the positioning cylinder, a shading sheet is installed on the side end of the second push plate, and a sensor matching with it is provided on the ground; The material tray assembly includes a rotating shaft, a protective film material roll, a fixing ring, a locking screw, a fixing frame, a connecting column, a movable frame, a connecting plate and a buffer spring. The rotating shaft is inserted into the vertical plate of the feed bracket through a bearing seat. The front end of the rotating shaft is sleeved with a protective film material roll and a fixing ring. The locking screw passes through the fixing ring and is locked to the rotating shaft. A fixing frame is installed on the vertical plate of the feed bracket at the rear end of the rotating shaft. Two connecting columns are inserted on the fixing frame. A movable frame is fixed at the bottom of the connecting column. A connecting plate is installed on the upper part of the connecting column. A buffer spring is sleeved on the connecting column between the connecting plate and the fixing frame. An arc groove matching the rotating shaft is provided at the upper end of the fixing frame. Under the elastic force of the buffer spring, the fixing frame moves up to resist the rotating shaft. When the equipment stops working, the rotating shaft is prevented from rotating. When the equipment is running, the material belt is prevented from loosening due to excessive rotation of the protective film material roll under the action of inertia.

2. The FOD hole protective film attaching device according to claim 1, characterized in that: The stripping assembly includes a support frame, a guide wheel, an adsorption plate, a stripping plate, a carrying block, a waste box, a connecting block, a pressure wheel and a light sensor, the support frame is fixed on the feeding frame, the feeding frame at the upper right corner and the lower right corner of the support frame is equipped with guide wheels, the adsorption plate and the stripping plate are installed on the support frame, the upper end of the adsorption plate is provided with interconnected adsorption holes, the adsorption plate is externally connected to a vacuum pump, and the left side of the stripping plate is sequentially provided with a carrying block and a waste box, the upper end surface of the carrying block is serrated, and the side of the peeled protective film with glue is placed on the carrying block, the serrated end surface prevents the protective film from sticking to the carrying block, the material tape on the protective film roll passes through the guide wheel, the adsorption plate and the stripping plate in turn, the material tape bottom paper is transported from the stripping plate and the carrying block to the driving wheel, a connecting block is installed on the feeding frame above the material tape, and pressure wheels are inserted at both ends of the lower part of the connecting block, the pressure wheels press the two sides of the material tape, and relative light sensors are installed on the feeding frames above and below the material tape.

3. The FOD hole protective film attaching device according to claim 1, characterized in that: The tensioning assembly includes a tensioning frame, a tensioning connecting shaft, a tensioning roller and a tensioning spring. The tensioning frame is fixed on the feeding bracket. Two rectangular opening grooves are provided at the front end of the tensioning frame. The tensioning connecting shaft is installed in the rectangular opening grooves. The tensioning connecting shaft is sleeved with a tensioning roller. The tensioning connecting shaft is sleeved with a tensioning spring. The tensioning roller is elastically arranged and close to the driving wheel to avoid the reversal of the bottom paper of the material belt on the recovery material tray and ensure the tension of the material belt.

4. The FOD hole protective film attaching device according to claim 1, characterized in that: The adsorption mechanism includes an adsorption bracket, a three-way driving module, a driving plate, a turntable cylinder, a lifting cylinder and a suction block. The three-way driving module is installed on the adsorption bracket, the output end of the three-way driving module is installed with a driving plate, two turntable cylinders are installed on the driving plate, the turntable of the turntable cylinder is installed with a lifting cylinder, the suction block is installed on the telescopic flange plate of the lifting cylinder, the lower end surface of the suction block is provided with a suction hole, and the lower end surface of the suction block is also provided with an avoiding groove.

5. The FOD hole protective film attaching device according to claim 1, characterized in that: The lens adjustment mechanism comprises an adjustment bracket, a lifting cylinder, a camera assembly and a light source. The adjustment bracket is equipped with a lifting cylinder, the telescopic rod of the lifting cylinder is equipped with a camera assembly, and the adjustment bracket above the camera assembly is provided with a light source.

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