CN208018994U - A kind of cleaning assemblies of cleaner for light guide plate - Google Patents

Abstract

The utility model is related to a kind of cleaning assemblies of cleaner for light guide plate, including the first cleaning module, on stick together wheel and under stick together wheel, first cleaning module be located above stick together wheel and under stick together wheel between, be symmetrically arranged in head be useful for the first cleaning module of support, on stick together wheel and under stick together the slide rail group A, slide rail group B and slide rail group C of wheel；First cleaning module includes two upper cleaning rollers and twice cleaning rollers, and the both ends slide rail group A are respectively equipped with supporting rack, which includes and the movable support slide rail group A fixing brackets being fixedly connected and be arranged on fixing bracket；Lower cleaning roller is rotatablely connected by first bearing and fixing bracket, and upper cleaning roller is rotatablely connected by second bearing and movable support；Movable support is connect by a regulating part with fixing bracket, and regulating part, which includes one, immerses oneself in screw rod and the foreign matter that can reduce light guide plate upper surface in the supporting block for immersing oneself in screw rod bottom and pressure dirt is arranged, and reduces rework rate and bodyguard loss rate.

Description

A kind of cleaning assemblies of cleaner for light guide plate

Technical field

The utility model belongs to the cleaning equipment technology field in electronics industry manufacturing process, and in particular to a kind of light guide plate The cleaning assemblies of cleaner.

Background technology

Light guide plate（light guide plate）It is the high-tech product that linear light source is changed into area source, in liquid crystal Showing device industry obtains especially prominent application.Light guide plate is acrylic/PC plate material using optical grade, then high with having The hitech materials of reflectivity and not extinction are carved in acryl plates bottom surface laser engraving, the V-type cross grid of optical grade It carves, UV screen printing technologies stamp light guiding points.The light issued from lamp is drawn using optical grade acryl plates in optical grade Asia The stop of gram force plate surface, when light is mapped to each light guiding points, reflected light can be spread toward all angles, then destroy reflection Condition is projected by light guide plate front.By various densitys, light guiding points not of uniform size, light guide plate uniformly light-emitting can be made.Reflector plate Purposes be the light reflection for exposing bottom surface return light guide plate in, for improving the service efficiency of light；With homalographic light emission luminance In the case of, luminous efficiency is high, low in energy consumption.

Before being assembled light guide plate, the actual demand first according to product size is needed, light guide plate is cut, and Light guide plate surface is dusted, is destaticed（Point discharge caused by electrostatic is larger to the injury of electronic component）, then exist The printing of light directing site is carried out to the one side of the non-pad pasting of light guide plate after cleaning.Having printed the light guide plate after light directing site can incite somebody to action It is assembled in backlight module, to provide area source to backlight module.

But during actual processing procedure, because light guide plate former material is pasted with protective film on one side, cutting Cheng Zhong, the protective film can to adopt the light guide plate after cutting because being influenced by the higher factors such as temperature or carrying that cut Film edge is protected to tilt, a cutting chip part can be attached to below the protective film of tilting, while being also had largely to cut and being cut attachment On the side cut.

It cuts rear prior art only to be cleaned the light guide plate side of stacking with hairbrush, then will be led by cleaner Dust, soft flocks in the upper and lower surface of tabula rasa are cleaned, and are cleaned process and do not removed protective film, therefore, are being carried out automatically Change the assembling stage, that is, after having removed protective film, the upper surface of light guide plate has still remained part dust and light guide plate bits, together When, hairbrush is to the cleaning of light guide plate side and is not thorough.And the meeting in packaging technology such as dust and light guide plate bits that these are left Cause backlight module to generate defective products, influences quality.Therefore before being assembled, first cleaner is used to carry out again light guide plate Cleaning.

But the cleaning mechanism in existing cleaner for light guide plate includes cleaning roller and dust sticky paper, cleaning roller includes upper Cleaning roller, lower cleaning roller；Corresponding dust sticky paper includes upper dust sticky paper and lower dust sticky paper, dust sticky paper.Bottom roller is by motor band Dynamic upper roller is then driven by the frictional force between light guide plate and upper roller, because guide-lighting board size is thicker, generally in 1mm ~ 3mm Between, between being determined between upper cleaning roller and lower cleaning roller using adjusting screw in the cleaner for light guide plate of the prior art Away from this regulative mode so that between the upper support seat of upper roller and the lower support base of bottom roller be point contact, so that leads Tabula rasa upper cleaning roller when entering cleaning mechanism can beat, and the upper surface of the light guide plate in 1,2,3 region of light guide plate is caused to be cleaned It is not in place, cause the bad phenomenons such as white point；Simultaneously so that the corresponding portion of upper binding dust pair of rollers upper cleaning roller is also less clean Position, with the passage of cleaning time, upper cleaning roller surface can be formed along its axially extending cleaning blind area, this blind area can make It is pressed at the horizontal stripe shape of guide-lighting upper surface dirty.

Utility model content

Light guide plate cleaning is not thorough in order to solve existing light guide plate cleaning equipment, causes light guide plate upper surface foreign matter residual Stay and press dirty technical problem.The utility model provides a kind of cleaner for light guide plate.

The technical solution of the utility model is as follows：

A kind of cleaning assemblies of cleaner for light guide plate, including the first cleaning module being arranged in head and the second cleaning mould Block, second cleaning module include above stick together wheel and under stick together wheel, first cleaning module, which is located at, above to be sticked together wheel and lower sticks Between wheel, be symmetrically arranged in head be useful for supporting first cleaning module, on stick together wheel and under stick together the cunning of wheel Rail group A, slide rail group B and slide rail group C.First cleaning module includes two upper cleaning rollers and twice cleaning rollers, slide rail group A two End is respectively equipped with supporting rack, which includes and the slide rail group A fixing brackets being fixedly connected and be arranged on fixing bracket Movable support；Lower cleaning roller is rotatablely connected by first bearing and fixing bracket, and upper cleaning roller passes through second bearing and work Dynamic holder pivots connection；Movable support is connect by a regulating part with fixing bracket, regulating part including one immerse oneself in screw rod and It is arranged in the supporting block for immersing oneself in screw rod bottom；It is logical that the symmetrical shaft position of two second bearings of the movable support is provided with a screw thread Hole, the axis of the tapped through hole is vertical with the axis of second bearing, immerses oneself in the screw-internal thread fit of screw rod and tapped through hole；Fixed branch Frame is equipped with is arranged pair in two second bearings with matched first rectangular recess of the movable support, first rectangular recess Claim axis on, which is connected to support bracket fastened top surface, is not connected to support bracket fastened bottom surface, and with it is wherein solid One of fixed rack is connected to perpendicular to the side wall of first bearing axis；It is provided with the second rectangle in the middle part of first rectangular recess Groove, the supporting block are placed in second rectangular recess.

Further, it is provided at both ends with the first flexible fastening piece in the slide rail group B, which includes Substrate, the substrate are symmetrically installed with two mounting blocks above and below, and arranged symmetrically on two mounting blocks there are two spring levers, in spring The upper end of screw rod is provided with the first pressing plate；One first sliding block is set between two spring levers, which passes through setting The first sliding groove on substrate is slidably connected with substrate；One cylinder is set in the centre position of the roof of substrate, which passes through Sliding block is pressed downward contracing and be contacted with lower upper cleaning roller by pressing plate.

Further, the roof of first sliding block is connect by a buffer spring with the bottom wall of the first pressing plate, to pass through In buffer spring and cylinder takes turns downward pressure to above sticking together.

Further, the second flexible fastening piece is set at the both ends of slide rail group C, which includes substrate, The substrate wherein one side is symmetrically arranged with two mounting blocks above and below, and arranged symmetrically on two mounting blocks there are two spring levers, in bullet The lower end of spring screw rod is provided with the second pressing plate；One second sliding block is set between two spring levers, which is existed by setting Second sliding slot on substrate is slidably connected with substrate, above sticks together wheel and is fixedly connected with the second sliding block by fourth bearing, in substrate The centre position of bottom wall one cylinder is set, the cylinder sticked together by under by the second flexible fastening piece wheel upwards compression and with it is lower clear Clean idler wheel contact.

Further, the bottom wall of second sliding block is connect by a buffer spring with the bottom wall of the second pressing plate, to pass through It sticks together wheel with cylinder in buffer spring under and upwards pressure.

Further, further include drive component, the driving component includes driving motor, is fixed on driving motor output shaft Upper driving belt pulley, driving pulley group and two conveyer belts, wherein driving pulley group include the first belt pulley, the second belt Wheel and third belt pulley, wherein the first belt pulley, the second belt pulley are fixedly connected with the other end of two lower cleaning rollers respectively, First belt pulley, the second belt pulley pass through a transmission band connection；

The third belt pulley is arranged in the outside of the second belt pulley, and is connect with driving belt pulley by a conveyer belt.

The beneficial effects of the utility model：

Upper cleaning is realized by the supporting block being fixedly connected with counter-sunk screw bottom end in the cleaning assemblies of the utility model Spacing adjustment effect between idler wheel and lower cleaning roller, it is often more important that so that movable support is contacted with fixing bracket face, energy Enough overcome light guide plate enter cleaning module and from when being pierced by cleaning module due to upper cleaning roller caused by discontinuity Bounce, reduce the foreign matter of light guide plate upper surface and the bad phenomenon that pressure is dirty, improve the quality of backlight module, reduce rework rate and Bodyguard loss rate.

Description of the drawings

Fig. 1 is the cleaning principle schematic of the cleaning assemblies of cleaner for light guide plate.

Fig. 2 is the structural schematic diagram of the supporting rack in the cleaning assemblies of cleaner for light guide plate.

Fig. 3 is support bracket fastened schematic top plan view in Fig. 2.

Fig. 4 is the structural schematic diagram of the first flexible fastening piece.

Fig. 5 is the structural schematic diagram of the second flexible fastening piece.

Fig. 6 is the drive component structural schematic diagram of the cleaning assemblies of cleaner for light guide plate.

In figure：Wheel is sticked together on 1-；Wheel is sticked together under 2-；3- upper cleaning rollers；Cleaning roller under 4-；5- supporting racks；51- is fixed Holder；52- movable supports；6- adjusting parts；61- immerses oneself in screw rod；62- supporting blocks；The first rectangular recess of 7-；The first elasticity of 8- is solid Determine part；The first pressing plates of 81-；The first sliding blocks of 82-；The second flexible fastening pieces of 9-；10- mounting blocks；11- spring levers；12- substrates；91- Second pressing plate；The second sliding blocks of 94-；13- buffer springs；14- cylinders；The second rectangular recess of 15-.

Specific implementation mode

Reach the technological means and effect that predetermined purpose is taken for the utility model is expanded on further, below in conjunction with attached drawing And embodiment, to specific embodiment of the present utility model, structure feature and its effect, detailed description are as follows.

Embodiment 1：

Light guide plate cleaning is not thorough in order to solve existing light guide plate cleaning equipment, causes light guide plate upper surface residual different Object generates the dirty technical problem of pressure.The present embodiment provides a kind of cleaning assemblies of cleaner for light guide plate as shown in figs 1 to 6, Including the first cleaning module, the second cleaning module being arranged in head, second cleaning module includes above sticking together wheel 1 under Stick together wheel 2, first cleaning module be located above stick together wheel 1 and under stick together wheel 2 between, be separately provided for supporting in head First cleaning module, on stick together wheel 1 and under stick together wheel 2 slide rail group A, slide rail group B and slide rail group C.

As shown in Figure 2 and Figure 3, the first cleaning module includes two upper cleaning rollers 3 and twice cleaning rollers 4, slide rail group A Both ends are respectively equipped with supporting rack 5, which includes the fixing bracket 51 being fixedly connected with slide rail group A and setting in fixed branch Movable support 52 on frame 51；It is symmetrical arranged two first bearings on fixing bracket 51, two are symmetrical arranged on movable support 52 Second bearing, lower cleaning roller 4 are rotatablely connected by first bearing and fixing bracket 51, and upper cleaning roller 3 passes through second bearing It is rotatablely connected with movable support 52.Movable support 52 is connect by a regulating part with fixing bracket 51, and regulating part 6 includes one It immerses oneself in screw rod 61 and is arranged in the supporting block 62 for immersing oneself in 61 bottom of screw rod.

As shown in Fig. 2, the symmetrical shaft position of two second bearings of the movable support 52 is provided with a tapped through hole, the spiral shell The axis of line through-hole is vertical with the axis of second bearing, immerse oneself in screw rod 61 be arranged in tapped through hole, and with tapped through hole screw thread Connection, i.e. tapped through hole and second bearing are located on the different side wall of movable support 52, in other words, second bearing and spiral shell Line through-hole is vertically arranged；Correspondingly, setting one and 52 matched first rectangular recess 7 of above-mentioned movable support on fixing bracket 51, First rectangular recess 7 is using the symmetry axis of two first bearings as symmetry axis；The top surface of first rectangular recess 7 and fixing bracket 51 Connection, is not connected to the bottom surface of fixing bracket 51, meanwhile, it is connected to one of them side wall perpendicular to first bearing axis；Together When, first rectangular recess, 7 middle part is provided with the second rectangular recess 15, the supporting block 62 is placed on second rectangle In groove 7.Second rectangular recess 7 can limit the tilting scope of activities at 62 both ends of supporting block, and then prevent upper cleaning roller 3 from jumping It is dynamic.

Regulating part 6 in the present embodiment by with immerse oneself in supporting block 62 that screw rod 61 is fixedly connected so that movable support 52 with Face contact is realized between fixing bracket 51, i.e., can either immerse oneself in screw rod 61 by adjusting to adjust upper cleaning roller 3 and lower cleaning Spacing between idler wheel 4, additionally it is possible to being more uniformly stressed for upper cleaning roller 3 be made by the supporting block 62 of 6 bottom of regulating part, prevented Only light guide plate is when entering cleaning mechanism and output cleaning mechanism, due to tripping problems caused by 3 unbalance stress of upper cleaning roller. So that upper cleaning roller 3 thoroughly cleans the upper surface of light guide plate, while to stick together 1 pair of upper cleaning roller 3 of wheel Thoroughly cleaning is realized, to overcome cleaner for light guide plate not thorough to the foreign matter cleaning in 1st area of light guide plate upper surface, 2nd area, 3rd area Bottom, and to the problem that the upper surface of light guide plate causes strip pressure dirty.

As shown in fig. 6, described 4 one end of lower cleaning roller is provided with and extends radially through through-hole, should be provided in through-hole Caging bolt, to prevent lower cleaning roller 4 relative to the circumferential vibration of fixing bracket 51；Further include drive component, the driving group Part includes driving motor, be fixed on driving belt pulley in driving motor output shaft, driving pulley group and two conveyer belts, wherein Driving pulley group includes the first belt pulley, the second belt pulley and third belt pulley, wherein the first belt pulley, the second belt pulley point It is not fixedly connected with the other end of two lower cleaning rollers 4, the first belt pulley, the second belt pulley pass through a transmission band connection；Institute It states third belt pulley to be arranged in the outside of the second belt pulley, and is connect with driving belt pulley by a conveyer belt, driven to realize Dynamic driving of the motor to lower cleaning roller 4.In the cleaning assemblies of the present embodiment, lower cleaning roller 4 is driving link, upper cleaning roller 3, the second cleaning module is driven member, simply introduces its transmission principle and transmission process here：Lower cleaning roller 4 is by driving mechanism Driving, upper cleaning roller 3 are driven by its frictional force between light guide plate, above stick together wheel 1 by it between upper roller Frictional force be driven, under stick together wheel 2 pass through its between lower cleaning roller 4 frictional force transmission；That is the cleaning mechanism of the present embodiment Drive other followers and driving mechanism to rotate synchronously by frictional force by a driving mechanism, to successively to light guide plate with And upper cleaning roller 3, lower cleaning roller 4 are cleaned；Specifically, the first cleaning module carries out the upper and lower surface of light guide plate Cleaning, above stick together wheel 1 simultaneously cleaning upper cleaning roller 3, under stick together wheel 2 simultaneously cleanings under cleaning roller 4.

It is provided at both ends with the first flexible fastening piece in slide rail group B, as shown in figure 4, first flexible fastening piece includes base Plate 12, the substrate 12 wherein one side are respectively symmetrically fixed with two mounting blocks 10 above and below, two are symmetrically arranged on two mounting blocks 10 A spring lever is provided with the first pressing plate 81 in the upper end of spring spiro rod；First sliding block 82 is set between two spring levers, this first Sliding block 82 is slidably connected by the first sliding groove of setting on the substrate 12 with substrate 12, and the roof of the first sliding block 82 is slow by one Spring 13 is rushed to connect with the bottom wall of the first pressing plate 81；It is provided with 3rd bearing on first sliding block 82, wheel 1 is above sticked together and passes through third Bearing is fixedly connected with the first sliding block 82, a cylinder 14 is arranged in the centre position of the roof of substrate 12, which passes through pressure Plate compresses downwards sliding block so that above sticks together wheel 1 and is contacted with upper cleaning roller 3, and as upper cleaning roller 3 rotates, to realize By above sticking together real time cleaning of 1 realization of wheel to upper cleaning roller 3.

The second flexible fastening piece 9 is set at the both ends of slide rail group C, as shown in figure 5, second flexible fastening piece 9 includes base Plate 12, the substrate 12 wherein one side be symmetrically arranged with two mounting blocks 10 above and below, on two mounting blocks 10 be symmetrical arranged there are two Spring lever is provided with the second pressing plate 91 in the lower end of spring spiro rod；One second sliding block 92 is set between two spring levers, this second Sliding block 92 is slidably connected by the second sliding slot of setting on the substrate 12 with substrate 12, and the bottom wall of the second sliding block 92 is slow by one Spring 13 is rushed to connect with the bottom wall of the second pressing plate 91；It is provided with fourth bearing on second sliding block 92, above sticks together wheel 1 by the 4th Bearing is fixedly connected with the second sliding block 92, a cylinder 14 is arranged in the centre position of the bottom wall of substrate 12, which passes through pressure Plate compresses sliding block upwards so that under stick together wheel and 2 contacted with lower cleaning roller 4, and sticked together under making and take turns 2 with lower cleaning roller 4 Real time cleaning of 2 realization of wheel to lower cleaning roller 4 is sticked together in rotation under passing through with realization.

The effect of spring lever is to provide damping so that the first sliding block 82, the second sliding block 92 can be with the pressure of cylinder 14 It is slided above and below along the first sliding groove and second sliding slot, while after the pressure for losing cylinder 14, sliding block can be in spring lever Elastic force effect is lower to be resetted.And buffer spring 13 is then the pressure in order to neutralize cylinder 14 by pressing plate to sliding block, for example, working as cylinder When the first pressing plate 81 of 14 the first flexible fastening pieces of compression, the first pressing plate 81 slides the spring of spring lever, buffer spring 13, first Block 82 compresses downwards, make to stick together 1 pair of downward active force of upper cleaning roller 3 of wheel it is excessive when, buffer spring 13 can be in upper cleaning Idler wheel 3 is slightly moved to above sticking together under the action of 1 sentence the accuser to the punishment facing the person he falsely accused firmly of wheel upwards, is prevented from sticking together and be taken turns between 1 and upper cleaning roller 3 Because pressure is excessive and stuck；The effect of buffer spring 13 in second flexible fastening piece 9 and buffering elastic in the first flexible fastening piece The effect of spring 13 is identical, and which is not described herein again.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims (6)

1. a kind of cleaning assemblies of cleaner for light guide plate, including the first cleaning module being arranged in head and the second cleaning mould Block, second cleaning module include above stick together wheel and under stick together wheel, first cleaning module, which is located at, above to be sticked together wheel and lower sticks Between wheel, be symmetrically arranged in head be useful for supporting first cleaning module, on stick together wheel and under stick together the cunning of wheel Rail group A, slide rail group B and slide rail group C；

It is characterized in that, the first cleaning module includes two upper cleaning rollers and twice cleaning rollers, the both ends slide rail group A are set respectively There is supporting rack, which includes and the movable support slide rail group A fixing brackets being fixedly connected and be arranged on fixing bracket； Lower cleaning roller is rotatablely connected by first bearing and fixing bracket, and upper cleaning roller is rotated by second bearing and movable support Connection；

The movable support is connect by a regulating part with fixing bracket, and regulating part immerses oneself in screw rod including one and setting is being buried The supporting block of head screw rod bottom；

The symmetrical shaft position of two second bearings of the movable support is provided with a tapped through hole, the axis of the tapped through hole and The axis of two bearings is vertical, immerses oneself in the screw-internal thread fit of screw rod and tapped through hole；Fixing bracket is equipped with and the movable support Matched first rectangular recess, first rectangular recess are arranged on the axis of symmetry of two second bearings, and first rectangle is recessed Slot is connected to support bracket fastened top surface, is not connected to support bracket fastened bottom surface, and with wherein support bracket fastened one perpendicular to The side wall of one bearing axis is connected to；The second rectangular recess is provided in the middle part of first rectangular recess, the supporting block is placed In second rectangular recess.

2. a kind of cleaning assemblies of cleaner for light guide plate according to claim 1, which is characterized in that in the slide rail group B Be provided at both ends with the first flexible fastening piece, which includes substrate, which is symmetrically installed with two peaces above and below Block is filled, is symmetrical arranged that there are two spring levers on two mounting blocks, the upper end of spring spiro rod is provided with the first pressing plate；In two institutes It states and one first sliding block is set between spring lever, which passes through the first sliding groove being disposed on the substrate and connect with substrate sliding It connects；One cylinder is set in the centre position of the roof of substrate, which is pressed downward contracing and lower upper cleaning by pressing plate by sliding block Idler wheel contacts.

3. a kind of cleaning assemblies of cleaner for light guide plate according to claim 2, which is characterized in that first sliding block Roof is connect by a buffer spring with the bottom wall of the first pressing plate, with by being taken turns downwards with cylinder to above sticking together in buffer spring Pressure.

4. a kind of cleaning assemblies of cleaner for light guide plate according to claim 1, which is characterized in that in the slide rail group C Both ends the second flexible fastening piece is set, which includes substrate, and the substrate wherein one side is upper and lower to be symmetrical arranged There are two mounting blocks, arranged symmetrically on two mounting blocks there are two spring levers, and the lower end of spring spiro rod is provided with the second pressing plate； One second sliding block is set between two spring levers, which is connected by the second sliding slot being disposed on the substrate with substrate sliding It connects, above sticks together wheel and be fixedly connected with the second sliding block by fourth bearing, one cylinder is set in the centre position of the bottom wall of substrate, it should Cylinder sticks together wheel by under by the second flexible fastening piece and compresses and contacted with lower cleaning roller upwards.

5. a kind of cleaning assemblies of cleaner for light guide plate according to claim 4, which is characterized in that second sliding block Bottom wall is connect by a buffer spring with the bottom wall of the second pressing plate, with by sticking together and being taken turns upwards under with cylinder in buffer spring Pressure.

6. a kind of cleaning assemblies of cleaner for light guide plate according to any one of claim 1 ~ 5, which is characterized in that also wrap Drive component is included, the driving component includes driving motor, is fixed on driving belt pulley in driving motor output shaft, driving belt Wheel group and two conveyer belts, wherein driving pulley group include the first belt pulley, the second belt pulley and third belt pulley, wherein the One belt pulley, the second belt pulley are fixedly connected with the other end of two lower cleaning rollers respectively, the first belt pulley, the second belt pulley Pass through a transmission band connection；

The third belt pulley is arranged in the outside of the second belt pulley, and is connect with driving belt pulley by a conveyer belt.