CN109865692A - A kind of cleaning assemblies of cleaner for light guide plate - Google Patents

Abstract

The present invention relates 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 between wheel, be symmetrically arranged in head be used to support the first cleaning module, 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 two lower cleaning rollers, and the both ends slide rail group A are respectively equipped with support frame, which includes the fixation bracket being fixedly connected with slide rail group A and the movable support that is arranged on fixation bracket；Lower cleaning roller is connect by first bearing with fixed holder pivots, and upper cleaning roller is rotatablely connected by second bearing and movable support；Movable support is connect by a regulating part with fixed bracket, and regulating part, which includes one, immerses oneself in screw rod and the supporting block for immersing oneself in screw rod bottom is arranged in, and foreign matter and the pressure that can reduce light guide plate upper surface are dirty, reduces rework rate and bodyguard loss rate.

Description

A kind of cleaning assemblies of cleaner for light guide plate

Technical field

The invention belongs to the cleaning equipment technology fields in electronics industry manufacturing process, and in particular to a kind of light guide plate cleaning The cleaning assemblies of machine.

Background technique

Light guide plate (light guide plate) 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 technology stamps 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 by bottom surface expose light be reflected back in light guide plate, 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, destatics (point discharge caused by electrostatic is larger to the injury of electronic component), is then existed The printing of light directing site is carried out to the one side of the non-pad pasting of light guide plate after cleaning.Light guide plate after having printed 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, cutting chip a part can be attached to below the protective film of tilting, while there are also largely cut to 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 light guide plate is carried out again using cleaner 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 The frictional force that dynamic upper roller then passes through between light guide plate and upper roller is driven, because guide-lighting board size is thicker, generally in 1mm ~ 3mm Between, between being determined between upper cleaning roller and lower cleaning roller in the cleaner for light guide plate of the prior art using screw is adjusted Away from this regulative mode between the upper support seat of upper roller and the lower support base of bottom roller to 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；Make the corresponding portion of binding dust pair of rollers upper cleaning roller also less clean simultaneously Position, with the passage of cleaning time, upper cleaning roller surface be will form 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.

Summary of the invention

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

Shown in technical scheme is as follows:

A kind of cleaning assemblies of cleaner for light guide plate, including the first cleaning module and the second cleaning module being arranged in head, Second cleaning module include above stick together wheel and under stick together wheel, first cleaning module be located above stick together take turns and under stick together wheel Between, be symmetrically arranged in head be used to support first cleaning module, on stick together wheel and under stick together the slide rail group of wheel A, slide rail group B and slide rail group C.First cleaning module includes two upper cleaning rollers and two lower cleaning rollers, the both ends slide rail group A point Not She You support frame, which includes the fixation bracket being fixedly connected with slide rail group A and the activity that is arranged on fixed bracket Bracket；Lower cleaning roller is connect by first bearing with fixed holder pivots, and upper cleaning roller is propped up by second bearing and activity Frame rotation connection；Movable support is connect by a regulating part with fixed bracket, and regulating part includes one and immerses oneself in screw rod and setting In the supporting block for immersing oneself in 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 second bearing are vertical, immerse oneself in the screw-internal thread fit of screw rod and tapped through hole；Fixed bracket It is equipped with and the symmetrical of two second bearings is set with matched first rectangular recess of the movable support, first rectangular recess On axis, which is connected to support bracket fastened top surface, is not connected to support bracket fastened bottom surface, and with wherein fix One of bracket is connected to perpendicular to the side wall of first bearing axis；It is recessed that the second rectangle is provided in the middle part of first rectangular recess Slot, the supporting block are placed in second rectangular recess.

Further, the both ends of the slide rail group B are provided with the first flexible fastening piece, 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 First sliding groove on substrate is slidably connected with substrate；One cylinder is set in the middle 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, Wherein one side is symmetrically arranged with two mounting blocks to the substrate 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 by fourth bearing with the second sliding block, in substrate The middle position of bottom wall one cylinder is set, the cylinder by the second flexible fastening piece sticked together by under 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 Wheel is sticked together under and is upwarded pressure with cylinder in buffer spring.

It further, further include driving assembly, 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 includes 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 outside of the second belt pulley is arranged in the third belt pulley, and is connect by a conveyer belt with driving belt pulley.

Beneficial effects of the present invention:

Upper cleaning roller is realized under by the supporting block being fixedly connected with counter-sunk screw bottom end in cleaning assemblies of the invention Spacing adjustment effect between cleaning roller, it is often more important that so that movable support and fixed bracket face contact, can overcome and lead Tabula rasa is entering cleaning module and from the bounce of the upper cleaning roller as caused by discontinuity when being pierced by cleaning module, is dropping The dirty bad phenomenon of the foreign matter and pressure of low light guide plate upper surface, improves the quality of backlight module, reduces rework rate and bodyguard loss rate.

Detailed description of the invention

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

Fig. 2 is the structural schematic diagram of the support frame 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 driving assembly structural schematic diagram of the cleaning assemblies of cleaner for light guide plate.

In figure: sticking together wheel on 1-；Wheel is sticked together under 2-；3- upper cleaning roller；Cleaning roller under 4-；5- support frame；51- is fixed Bracket；52- movable support；6- adjusts component；61- immerses oneself in screw rod；62- supporting block；The first rectangular recess of 7-；The first elasticity of 8- is solid Determine part；The first pressing plate of 81-；The first sliding block of 82-；The second flexible fastening piece of 9-；10- mounting blocks；11- spring lever；12- substrate；91- Second pressing plate；The second sliding block of 94-；13- buffer spring；14- cylinder；The second rectangular recess of 15-.

Specific embodiment

Reach the technical means and efficacy that predetermined purpose is taken for the present invention is further explained, below in conjunction with attached drawing and reality Example is applied to a specific embodiment of the invention, structure feature and its effect, detailed description are as follows.

It is not thorough to solve existing light guide plate cleaning equipment to light guide plate cleaning, light guide plate upper surface is caused to remain Foreign matter generates the dirty technical problem of pressure.The present embodiment provides a kind of such as figure-cleaner for light guide plate shown in fig. 6 cleaning group Part, including the first cleaning module, the second cleaning module being arranged in head, second cleaning module includes above sticking together wheel 1 Stick together wheel 2 under, first cleaning module be located above stick together wheel 1 and under stick together between wheel 2, be respectively set in head useful In support first cleaning module, on stick together wheel 1 and under stick together slide rail group A, slide rail group B and the slide rail group C of wheel 2.

As shown in Figure 2 and Figure 3, the first cleaning module includes two upper cleaning rollers 3 and two lower cleaning rollers 4, slide rail group A Both ends are respectively equipped with support frame 5, which includes the fixation 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 fixed bracket 51, is symmetrical arranged two on movable support 52 Second bearing, lower cleaning roller 4 are rotatablely connected by first bearing and fixed 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 fixed bracket 51, and regulating part 6 includes one It immerses oneself in screw rod 61 and the supporting block 62 for immersing oneself in 61 bottom of screw rod is set.

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 and the axis of second bearing are vertical, 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 matched first rectangular recess 7 of above-mentioned movable support 52 on fixed 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 fixed bracket 51 Connection is not connected to the bottom surface of fixed bracket 51, meanwhile, it is connected to one of them side wall perpendicular to first bearing axis；Together When, the second rectangular recess 15 is provided in the middle part of first rectangular recess 7, 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 the supporting block 62 that screw rod 61 is fixedly connected make movable support 52 with Face contact is realized between fixed 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, the tripping problems as 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 fixed bracket 51；It further include driving assembly, the driving group Part includes driving motor, is 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 The outside that the second belt pulley is arranged in third belt pulley is stated, and is connect by a conveyer belt with driving belt pulley, to realize drive 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 above stick together wheel 1 and pass through it between upper roller by its frictional force transmission between light guide plate Frictional force transmission, under stick together wheel 2 by 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, thus 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 surfaces 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.

The both ends of slide rail group B are provided with the first flexible fastening piece, as shown in figure 4, first flexible fastening piece includes base Plate 12, wherein one side is respectively symmetrically fixed with two mounting blocks 10 above and below to the substrate 12, is symmetrically arranged with two 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 middle position of the roof of substrate 12, which passes through pressure Plate compresses downwards sliding block so that on stick together wheel and 1 contacted with upper cleaning roller 3, and as upper cleaning roller 3 rotates, with realization By above sticking together 1 realization of wheel to the real time cleaning of 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 middle 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 Rotation sticks together 2 realization of wheel to the real time cleaning of lower cleaning roller 4 under passing through with realization.

The effect of spring lever is to provide damping, enable the first sliding block 82, the second sliding block 92 with cylinder 14 pressure It is slided above and below along 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 is sliding by 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 under the action of 1 sentence the accuser to the punishment facing the person he falsely accused firmly of wheel upwards to above sticking together, and is prevented from sticking together and be taken turns between 1 and upper cleaning roller 3 Because pressure is excessive and stuck；Buffering elastic in the effect of buffer spring 13 in second flexible fastening piece 9 and the first flexible fastening piece The effect of spring 13 is identical, and which is not described herein again.

The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention Protection scope.

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 used to support 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 two lower cleaning rollers, the both ends slide rail group A are set respectively There is support frame, which includes the fixation bracket being fixedly connected with slide rail group A and the movable support that is arranged on fixed bracket； Lower cleaning roller is connect by first bearing with fixed holder pivots, and upper cleaning roller is rotated by second bearing and movable support Connection；

The movable support is connect by a regulating part with fixed bracket, and regulating part, which includes one, immerses oneself in screw rod and be arranged burying 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；Fixed 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 Both ends be provided 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 One first sliding block of setting between spring lever is stated, which passes through the first sliding groove being disposed on the substrate and substrate sliding connects It connects；One cylinder is set in the middle position of the roof of substrate, which is pressed downward contracing and lower upper cleaning by pressing plate by sliding block Idler wheel contact.

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 connect by a buffer spring with the bottom wall of the first pressing plate, by taking 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 wherein one side is upper and lower is symmetrical arranged for the substrate 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 passes through the second sliding slot being disposed on the substrate and substrate sliding connects It connects, above sticks together wheel and be fixedly connected by fourth bearing with the second sliding block, one cylinder is set in the middle position of the bottom wall of substrate, it should Cylinder sticks together the upward compression of wheel by the second flexible fastening piece by under and contacts with lower cleaning roller.

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, 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 described according to claim 1 ~ any one of 5, which is characterized in that also wrap Driving assembly 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 includes 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 outside of the second belt pulley is arranged in the third belt pulley, and is connect by a conveyer belt with driving belt pulley.