CN104460059A - LCD light leakage detection mechanism - Google Patents
LCD light leakage detection mechanism Download PDFInfo
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- CN104460059A CN104460059A CN201410705228.0A CN201410705228A CN104460059A CN 104460059 A CN104460059 A CN 104460059A CN 201410705228 A CN201410705228 A CN 201410705228A CN 104460059 A CN104460059 A CN 104460059A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1306—Details
- G02F1/1309—Repairing; Testing
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Abstract
The invention relates to an LCD light leakage detection mechanism. A lifting adjusting mechanism and a rotating disc mechanism are installed on a bottom plate. Carrier devices are installed on the rotating disc mechanism. A CCD supporting bottom plate of a CCD adjusting mechanism is connected with nuts on a left lead screw and a right lead screw of the lifting adjusting mechanism. The CCD supporting bottom plate of the CCD adjusting mechanism is fixedly connected with an upper seal box of a seal box mechanism through four reinforcement ribs, the CCD adjusting mechanism is used for adjusting the vertical height of a CCD, the seal box mechanism is used for guaranteeing that an LCD is always in a closed and light-proof environment, and the lifting adjusting mechanism is used for adjusting the vertical height of the CCD adjusting mechanism and the seal box mechanism. A taking and placing station and a detection station are arranged on a rotating disc of the rotating mechanism, the carrier devices are installed on both the stations respectively, the two stations can achieve continuous detection, and whether the LCD leaks light or not is detected through CCD photographing. The LCD light leakage detection mechanism is simple in structure, convenient to operate and capable of rapidly and accurately detecting whether the LCD leaks light or not.
Description
Technical field:
The present invention relates to testing agency's apparatus field, relate to a kind of LCD light leak test mechanism in particular.
Background technology:
Principle by liquid crystal display limit, and current nearly all main flow liquid crystal display all can have certain " light leak " problem.Serious " light leak " problem can have influence on the quality of liquid crystal display display.So after production of liquid crystal displays finished product, need to it whether light leak checks.In prior art, it is all manual detection.The brightness and contrast of liquid crystal display is adjusted to minimum by workman.Then, in dark conditions, be background with black, whether whether the liquid crystal display that detects by an unaided eye up and down marginal portion has comparatively significantly blushing, have light to appear in the gap of display frame.Last workman provides corresponding testing result according to viewed phenomenon.
But manual detection because many-sided factor, can cause the result detected to occur certain deviation, has influence on production efficiency, increase the production cost of company.Manual detection inconvenient operation simultaneously, speed is slow, and workman is easily tired, inefficiency.Now just need a kind of LCD light leak test mechanism, quickly and accurately light leak test is carried out to LCD product.
Summary of the invention:
The object of the invention is for the deficiencies in the prior art part, provide a kind of LCD light leak test mechanism, its structure is simple, easy to operate, can detect LCD whether light leak quickly and accurately.
Technology solution of the present invention is as follows:
A kind of LCD light leak test mechanism, it comprises base plate, CCD governor motion, seal box mechanism, lifting regulating mechanism, rotating disk mechanism and carrier device, and described lifting regulating mechanism is arranged on base plate; Described rotating disk mechanism is arranged on base plate, and described carrier device is arranged on rotating disk mechanism; The connection of described CCD governor motion and lifting regulating mechanism utilizes the nut on the CCD support baseboard of CCD governor motion and the left and right screw mandrel of lifting regulating mechanism to link together; The connection of described CCD governor motion and seal box mechanism utilizes the CCD support baseboard of CCD governor motion and the upper seal box of seal box mechanism to be fixed together by four reinforcements.
Described CCD governor motion comprises CCD support baseboard, CCD column, CCD top board, the left screw mandrel of CCD, the right screw mandrel of CCD, clamp, CCD screw mandrel supporting seat, CCD control hand wheel, CCD float plate, CCD fixed head, CCD, CCD block, protective cover, driving wheel a, driving wheel rotating shaft a, engaged wheel rotating shaft a, engaged wheel a, belt a, stretching pulley a, stretching pulley rotating shaft a, rotating shaft holder and tensioning block, and described CCD support baseboard is provided with CCD top board by four CCD columns; The left screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the left screw mandrel lower end of CCD is provided with CCD control hand wheel, and the left screw mandrel upper end of CCD is connected to driving wheel rotating shaft a, and driving wheel rotating shaft a is provided with driving wheel a; The right screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the right screw mandrel lower end of CCD is provided with clamp, and the upper end of the right screw mandrel of CCD is connected to engaged wheel rotating shaft a, and engaged wheel rotating shaft a is provided with engaged wheel a; Be provided with belt a between described driving wheel a and engaged wheel a, belt a is by stretching pulley a adjusting elasticity; Described rotating shaft holder is stuck in the groove on CCD top board, and rotating shaft holder is linked together by bolt and tensioning block, and stretching pulley a is arranged on rotating shaft holder by stretching pulley rotating shaft a, and tensioning block is fixed in the groove on CCD top board; Described CCD float plate is arranged on the nut of the left screw mandrel of CCD and the nut of the right screw mandrel of CCD, CCD float plate is provided with CCD fixed head, CCD fixed head is provided with CCD; Described protective cover is arranged on CCD float plate bottom.
Described seal box mechanism comprises seal box, intermediate seal case, lower seal case, linear slide rail, slide block, lift cylinder, lift cylinder holder, lift cylinder fixed head and cylinder connector, the upper end of described lift cylinder is arranged on the casing rear portion of intermediate seal case by lift cylinder fixed head, the lower end of lift cylinder is fixed on lift cylinder holder by cylinder connector, and lift cylinder holder is fixed on the casing rear portion of lower seal case; Two linear slide rails be parallel to each other are installed on the left of the casing of described lower seal case, two linear slide rails be parallel to each other also are installed on the right side of the casing of lower seal case, the linear slide rail in left side and the linear slide rail on right side are symmetric structure, and on each linear slide rail, cooperation is provided with slide block; Described intermediate seal case is fixed on slide block, and is linked together by slide block and lower seal case, and can be slided up and down along lower seal case periphery by linear slide rail; Described upper seal box is fixed on intermediate seal case top; Left side and the right side of described upper seal box are separately installed with reinforcement, upper seal box sealing can be arranged on the bottom of CCD support baseboard by reinforcement.
Described lifting regulating mechanism comprises regulating device, left fixed head, right fixed head, clamping flange, left screw mandrel, right screw mandrel, top board, column, column mount pad, driving wheel b, driving wheel rotating shaft b, engaged wheel b, engaged wheel rotating shaft b, belt b, stretching pulley b, stretching pulley rotating shaft b and rotating shaft fixed head, on described base plate, arranged on left and right sides is respectively provided with two root posts, and four root post tops are provided with top board; Described left fixed head is arranged on two root posts of left side by clamping flange, and right fixed head is arranged on two root posts of right side by clamping flange; Described regulating device is arranged on left fixed head; Described left screw mandrel is through top board and left fixed head, and left screw mandrel lower end is provided with the engaged wheel c of regulating device, and left screw mandrel upper end is connected to driving wheel rotating shaft b, and driving wheel rotating shaft b is provided with driving wheel b; Described right screw mandrel is through top board and right fixed head, and the upper end of right screw mandrel is connected to engaged wheel rotating shaft b, and engaged wheel rotating shaft b is provided with engaged wheel b; Be connected between described driving wheel b and engaged wheel b on belt b, belt b is by stretching pulley b adjusting elasticity; Described stretching pulley b is arranged on rotating shaft fixed head by stretching pulley rotating shaft b, and rotating shaft fixed head is fixed on top board; Described left screw mandrel coordinates left feed screw nut is installed, right screw mandrel coordinates right feed screw nut is installed, left feed screw nut and right feed screw nut are provided with CCD support baseboard.
Described regulating device comprises control hand wheel, rotating shaft, rotating shaft supporting seat a, rotating shaft supporting seat b, cushion block, bevel gear wheel, bevel pinion, regulating block, driving wheel c, driving wheel rotating shaft c, engaged wheel c, stretching pulley c, stretching pulley rotating shaft c and belt c, described adjusting handle is linked together by rotating shaft and bevel gear wheel, rotating shaft is fixed by rotating shaft supporting seat a, and rotating shaft supporting seat is arranged on left fixed head by cushion block; Described driving wheel rotating shaft c through left fixed head, and is fixed by rotating shaft supporting seat b, and driving wheel rotating shaft c upper end is provided with bevel pinion, and lower end is provided with driving wheel c; Described engaged wheel c is arranged on below left fixed head by engaged wheel rotating shaft, is connected with belt c between driving wheel c and engaged wheel c, and belt c is by stretching pulley c adjusting elasticity; Described stretching pulley c is arranged on regulating block by stretching pulley rotating shaft c, and regulating block is fixedly mounted on bottom left fixed head.
Described rotating disk mechanism comprises fixed head, Rotary Connection block, rotating disk, guide castor, conducting slip ring, conducting slip ring fixed mount, conducting slip ring stop motion mechanism, solenoid valve and solenoid valve holder at the bottom of Cam splitter, dispenser side fixed head, dispenser, and described Cam splitter is arranged on base plate bottom by fixed head at the bottom of two block comminute device side fixed heads and dispenser; The output terminal that described rotating disk is arranged on Cam splitter by Rotary Connection block realizes calibration intermittent rotary, grasps the anglec of rotation by Cam splitter; The bottom symmetrical of described rotating disk is provided with four groups of guide castors, and guide castor can slide on base plate; Described conducting slip ring fixed mount is arranged on the middle position of rotating disk, and conducting slip ring fixed mount is provided with conducting slip ring; Described conducting slip ring stop motion mechanism is arranged on base plate, and conducting slip ring keeps stationary state by conducting slip ring stop motion mechanism, prevents the wire intertwist on conducting slip ring; Described solenoid valve is arranged on base plate by solenoid valve holder.
Described carrier device comprises carrier base plate, the both sides, top of described carrier base plate are separately installed with a carrier side plate, carrier floor rear is provided with carrier baffle plate, two carrier side plates are provided with carrier installing plate, carrier installing plate is provided with carrier and carrier block, carrier is placed LCD product, it is characterized in that: described two carrier side plate interior sides are separately installed with a carrier slide rail, each carrier slide rail coordinates a carrier slide block is installed, each carrier slide block is fixedly connected with an erecting frame, two erecting frames is provided with a substrate fixed head; Described substrate fixed head is provided with the substrate for being energized to LCD product; Be provided with a tank key way in the middle of described carrier base plate, also comprise a tank chain, tank chain one end is fixed on carrier installing plate bottom, and the tank chain other end is fixed in tank key way by tank chain erecting frame; Described carrier base plate is provided with carrier cylinder, and the front end of carrier cylinder is connected to carrier cylinder holder by cylinder connector, and carrier cylinder holder is fixed on the bottom of substrate fixed head.
Described CCD governor motion is for regulating the upper-lower height of CCD, and CCD is used for detection of taking pictures; Described seal box mechanism is for ensureing that LCD is in closed light tight environment all the time; Described lifting regulating mechanism is for regulating the upper-lower height of CCD governor motion and seal box mechanism; The rotating disk of described rotating disk mechanism is provided with two stations, and one of them picks and places station, and another detects station, and each station is provided with carrier device, and LCD product A is put into and picked and placeed station, starting outfit by operator; Rotating disk turns clockwise 180 °, and LCD product A forwards detection station to, and CCD takes pictures and detects LCD product whether light leak, and operator puts into LCD product B picking and placeing station simultaneously; Rotating disk turns clockwise 180 ° again, and LCD product A rotates back into and picks and places station, and LCD product B forwards detection station to and detects, and operator takes out LCD product A, puts into next LCD product.
As preferably, described CCD support baseboard is provided with a slotted eye in the corresponding section, position with protective cover, protective cover lower end can through the slotted eye of CCD support baseboard, and protective cover is deep in seal box mechanism, light tight for ensureing.
As preferably, described CCD fixed head is installed with CCD block respectively in the surrounding being positioned at CCD, and CCD block can locate CCD.
As preferably, the CCD screw mandrel supporting seat that the left screw mandrel of described CCD and the right screw mandrel of CCD are installed respectively by its upper and lower two ends is fixed on CCD top board and CCD support baseboard.
As preferably, described upper seal box and intermediate seal case, intermediate seal case and lower seal case junction are respectively equipped with sealing strip, for ensure upper seal box and intermediate seal case, intermediate seal case and lower seal case junction light tight.
As preferably, described upper seal box, intermediate seal case and lower seal case are the square box penetrating up and down surrounded by four pieces of panels respectively.
As preferably, described four root posts are arranged on base plate and top board by column mount pad symmetry.
As preferably, four angles of described substrate fixed head are separately installed with L shape substrate block, substrate is located by substrate block.
As preferably, described tank key way is U-lag structure, and tank chain coordinates and is arranged in U-lag, and tank chain for holding the winding displacement be connected between substrate with LCD, thus avoids winding displacement to damage.
Beneficial effect of the present invention is:
The CCD control hand wheel of CCD governor motion of the present invention rotates, the nut on the left screw mandrel of CCD can be driven to move, make driving wheel a rotate simultaneously, under the effect of belt a, make engaged wheel a also rotate, drive the nut motion on the right screw mandrel of CCD, make CCD float plate left at CCD, move up and down under the drive of the nut on right screw mandrel, CCD float plate drives CCD and protective cover to move up and down, CCD is used for taking pictures and detects LCD product whether light leak, protective cover lower end can extend in seal box mechanism through CCD support baseboard, ensure to make LCD product light tight in CCD testing process, it is convenient to the position regulating CCD, CCD is made to move up and down steadily, simple to operate, easy to use.
The lower seal case of seal box mechanism of the present invention is under the drive of cylinder, and under the effect of linear slide rail and slide block, can relatively move up and down by intermediate seal case, the sealing of LCD product can surround by lower seal case, make whole seal box Height Adjustable like this, be convenient to the LCD product sealing differing heights, go up seal box and intermediate seal case, intermediate seal case and lower seal case junction are respectively equipped with sealing strip simultaneously, for ensure upper seal box and intermediate seal case, intermediate seal case and lower seal case junction light tight.
The control hand wheel of the regulating device of lifting regulating mechanism of the present invention rotates, rotating shaft drives bevel gear wheel to rotate, bevel gear wheel drives bevel pinion rotation that driving wheel c is rotated, engaged wheel c is driven to rotate by belt c, engaged wheel c rotates and left screw mandrel is rotated, drive right screw mandrel also to rotate by belt b, finally make to realize moving up and down of CCD support baseboard under left feed screw nut and right feed screw nut effect.
The Cam splitter of rotating disk mechanism of the present invention can drive rotating disk to realize calibration intermittent rotary by Rotary Connection block, and by four guide castor rotational support when rotating, improves the stability of rotation of rotating disk; The top of rotating disk is symmetrically installed with two carrier devices, and Cam splitter can drive carrier device to arrive normal place; Conducting slip ring fixed mount of the present invention is arranged on the middle position of rotating disk, conducting slip ring fixed mount is provided with conducting slip ring, conducting slip ring is used for providing power supply for the base of carrier device, and conducting slip ring keeps stationary state by conducting slip ring stop motion mechanism, prevents the wire intertwist on conducting slip ring; Solenoid valve of the present invention is arranged on base plate by solenoid valve holder, for controlling the lifting of lift cylinder.
The carrier of carrier device of the present invention is placed LCD product, and by carrier block location LCD product; Substrate can be used to the energising of LCD product, and the winding displacement be connected between substrate with LCD is protected by tank chain, thus avoids winding displacement to damage; Carrier air cylinder driven can drive substrate fixed head to move along carrier slide rail, and substrate can be made to move to required position, is convenient to install winding displacement or change substrate, is convenient to the use of carrier device.
Structure of the present invention is simple, easy to operate, can detect LCD whether light leak quickly and accurately, thus reduces and produce bad detection because of many factors, increases work efficiency, reduces the fatigue strength of operating personnel, reduce the production cost of company.
Accompanying drawing illustrates:
Below in conjunction with accompanying drawing, the present invention is described further:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of CCD governor motion of the present invention;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 be remove in Fig. 2 CCD top board and on the vertical view of parts;
Fig. 5 is the structural representation of seal box mechanism of the present invention, does not wherein comprise the left plate of intermediate seal case;
Fig. 6 is the structural representation of lifting regulating mechanism of the present invention;
Fig. 7 is the vertical view of Fig. 6;
Fig. 8 is the structural representation of the regulating device in Fig. 6;
Fig. 9 is the upward view of Fig. 8;
Figure 10 is the structural representation of rotating disk mechanism of the present invention;
Figure 11 is the front view of Figure 10;
Figure 12 is the structural representation of the guide castor in Figure 10;
Figure 13 is the structural representation of carrier device of the present invention;
Figure 14 is the front view of Figure 13;
Figure 15 is the vertical view of the carrier device after removing carrier, carrier installing plate and carrier block in Figure 13.
Embodiment:
Embodiment, is shown in accompanying drawing 1 ~ 15, a kind of LCD light leak test mechanism, and it comprises base plate 1, CCD governor motion I, seal box mechanism II, lifting regulating mechanism III, rotating disk mechanism IV and carrier device V, and described lifting regulating mechanism is arranged on base plate top; Described rotating disk mechanism is arranged on base plate, and described carrier device is arranged on rotating disk mechanism; The connection of described CCD governor motion and lifting regulating mechanism utilizes the nut on the CCD support baseboard of CCD governor motion and the left and right screw mandrel of lifting regulating mechanism to link together; The connection of described CCD governor motion and seal box mechanism utilizes the CCD support baseboard of CCD governor motion and the upper seal box of seal box mechanism to be fixed together by four reinforcements.Described CCD governor motion is for regulating the upper-lower height of CCD, and CCD is used for detection of taking pictures; Described seal box mechanism is for ensureing that LCD is in closed light tight environment all the time; Described lifting regulating mechanism is for regulating the upper-lower position of CCD governor motion and seal box mechanism.
Described CCD governor motion comprises it and comprises CCD support baseboard 2, CCD column 3, CCD top board 4, the left screw mandrel 5 of CCD, the right screw mandrel 6 of CCD, clamp 7, CCD screw mandrel supporting seat 8, CCD control hand wheel 9, CCD float plate 10, CCD fixed head 11, CCD12, CCD block 13, protective cover 14, driving wheel a15, driving wheel rotating shaft a16, engaged wheel rotating shaft a17, engaged wheel a18, belt a19, stretching pulley a20, stretching pulley rotating shaft a21, rotating shaft holder 22 and tensioning block 23, described CCD support baseboard is provided with CCD top board by CCD column, CCD column has four, and symmetry is arranged on CCD support baseboard, CCD column top is provided with CCD top board, the left screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the left screw mandrel lower end of CCD is provided with CCD control hand wheel, and the left screw mandrel upper end of CCD is connected to driving wheel rotating shaft a, and driving wheel rotating shaft a is provided with driving wheel a, the right screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the right screw mandrel lower end of CCD is provided with clamp, and the upper end of the right screw mandrel of CCD is connected to engaged wheel rotating shaft a, and engaged wheel rotating shaft a is provided with engaged wheel a, be provided with belt a between described driving wheel a and engaged wheel a, belt a is by stretching pulley a adjusting elasticity, described rotating shaft holder is stuck in the groove on CCD top board, and rotating shaft holder is linked together by bolt and tensioning block, and stretching pulley a is arranged on rotating shaft holder by stretching pulley rotating shaft a, and tensioning block is fixed in the groove on CCD top board.
Described CCD float plate is arranged on the nut of the left screw mandrel of CCD and the nut of the right screw mandrel of CCD, CCD float plate is provided with CCD fixed head, CCD fixed head is provided with CCD, and CCD fixed head is installed with CCD block respectively in the surrounding being positioned at CCD, and CCD block can locate CCD; Described protective cover is arranged on CCD float plate bottom; CCD support baseboard is provided with a slotted eye in the corresponding section, position with protective cover; protective cover lower end can extend in seal box mechanism through the slotted eye of CCD support baseboard, ensures to make LCD product light tight in CCD testing process.
The CCD screw mandrel supporting seat that the left screw mandrel of described CCD and the right screw mandrel of CCD are installed respectively by its upper and lower two ends is fixed on CCD top board and CCD support baseboard.
Described CCD control hand wheel rotates; the nut on the left screw mandrel of CCD can be driven to move; make driving wheel rotating shaft a drive driving wheel a to rotate simultaneously; under the effect of belt a, make engaged wheel a also rotate; engaged wheel a drives engaged wheel rotating shaft a to rotate, and the nut on the right screw mandrel of CCD is moved, moves up and down under making the drive of the nut of CCD float plate on the left and right screw mandrel of CCD; CCD float plate drives CCD and protective cover to move up and down, and CCD is used for taking pictures and detects LCD product whether light leak.
Described seal box mechanism it comprise seal box 24, intermediate seal case 25, lower seal case 26, linear slide rail 27, slide block 28, lift cylinder 29, lift cylinder holder 30, lift cylinder fixed head 31 and cylinder connector 32, described upper seal box, intermediate seal case and lower seal case are the square box penetrating up and down surrounded by four pieces of panels respectively; The upper end of described lift cylinder is arranged on the casing rear portion of intermediate seal case by lift cylinder fixed head, the lower end of lift cylinder is fixed on lift cylinder holder by cylinder connector, and lift cylinder holder is fixed on the casing rear portion of lower seal case; Two linear slide rails be parallel to each other are installed on the left of the casing of described lower seal case, two linear slide rails be parallel to each other also are installed on the right side of the casing of lower seal case, the linear slide rail in left side and the linear slide rail on right side are symmetric structure, and on each linear slide rail, cooperation is provided with slide block; Described intermediate seal case is fixed on slide block, and is linked together by slide block and lower seal case, and can be slided up and down along lower seal case periphery by linear slide rail; Such lower seal case is under the drive of cylinder, and under the effect of linear slide rail and slide block, can relatively move up and down by intermediate seal case, the sealing of LCD product can surround by lower seal case, make whole seal box Height Adjustable like this, be convenient to the LCD product sealing differing heights.
Described upper seal box is fixed on intermediate seal case top, the left side of upper seal box and right side are separately installed with reinforcement 33, can upper seal box sealing be arranged on bottom CCD support baseboard by reinforcement, and CCD support baseboard bottom is provided with grooving, for ensureing that upper seal box is combined in grooving place with CCD support baseboard, make junction light tight, the top seal of seal box is lived, makes it light tight.
Described upper seal box and intermediate seal case, intermediate seal case and lower seal case junction are respectively equipped with sealing strip, for ensure upper seal box and intermediate seal case, intermediate seal case and lower seal case junction light tight.
Described lifting regulating mechanism comprises regulating device 34, left fixed head 35, right fixed head 36, clamping flange 37, left screw mandrel 38, right screw mandrel 39, top board 40, column 41, column mount pad 42, driving wheel b43, driving wheel rotating shaft b44, engaged wheel b45, engaged wheel rotating shaft b46, belt b47, stretching pulley b48, stretching pulley rotating shaft b49 and rotating shaft fixed head 50, on described base plate, arranged on left and right sides is respectively provided with two root posts, four root post tops are provided with top board, and column is arranged on base plate and top board by column mount pad symmetry; Described left fixed head is arranged on two root posts of left side by clamping flange, and right fixed head is arranged on two root posts of right side by clamping flange; Described regulating device is arranged on left fixed head; Described left screw mandrel is through top board and left fixed head, and left screw mandrel lower end is provided with the engaged wheel c of regulating device, and left screw mandrel upper end is connected to driving wheel rotating shaft b, and driving wheel rotating shaft b is provided with driving wheel b; Described right screw mandrel is through top board and right fixed head, and the upper end of right screw mandrel is connected to engaged wheel rotating shaft b, and engaged wheel rotating shaft b is provided with engaged wheel b; Be connected between described driving wheel b and engaged wheel b on belt b, belt b is by stretching pulley b adjusting elasticity; Described stretching pulley b is arranged on rotating shaft fixed head by stretching pulley rotating shaft b, and rotating shaft fixed head is fixed on top board; Described left screw mandrel coordinates left feed screw nut is installed, right screw mandrel coordinates right feed screw nut is installed, left feed screw nut and right feed screw nut are provided with CCD support baseboard.
Described regulating device comprises control hand wheel 51, rotating shaft 52, rotating shaft supporting seat a53, rotating shaft supporting seat b54, cushion block 55, bevel gear wheel 56, bevel pinion 57, regulating block 58, driving wheel c59, driving wheel rotating shaft c60, engaged wheel c61, stretching pulley c62, stretching pulley rotating shaft c63 and belt c64, described adjusting handle is linked together by rotating shaft and bevel gear wheel, rotating shaft is fixed by rotating shaft supporting seat a, and rotating shaft supporting seat is arranged on left fixed head by cushion block; Described driving wheel rotating shaft c through left fixed head, and is fixed by rotating shaft supporting seat b, and driving wheel rotating shaft c upper end is provided with bevel pinion, and lower end is provided with driving wheel c; Described engaged wheel c is arranged on below left fixed head by engaged wheel rotating shaft, is connected with belt c between driving wheel c and engaged wheel c, and belt c is by stretching pulley c adjusting elasticity; Described stretching pulley c is arranged on regulating block by stretching pulley rotating shaft c, and regulating block is fixedly mounted on bottom left fixed head.
The control hand wheel of described regulating device rotates, rotating shaft drives bevel gear wheel to rotate, bevel gear wheel drives bevel pinion rotation that driving wheel c is rotated, engaged wheel c is driven to rotate by belt c, engaged wheel c rotates and left screw mandrel is rotated, drive right screw mandrel also to rotate by belt b, finally make CCD support baseboard realize moving up and down under left feed screw nut and right feed screw nut effect, make CCD governor motion and seal box mechanism arrive standard operation position.
Described rotating disk mechanism comprises fixed head 67, Rotary Connection block 68, rotating disk 69, guide castor 70, conducting slip ring 71, conducting slip ring fixed mount 72, conducting slip ring stop motion mechanism 73, solenoid valve 74 and solenoid valve holder 75 at the bottom of Cam splitter 65, dispenser side fixed head 66, dispenser, and described Cam splitter is arranged on base plate bottom by fixed head at the bottom of two block comminute device side fixed heads and dispenser; The output terminal that described rotating disk is arranged on Cam splitter by Rotary Connection block realizes calibration intermittent rotary, grasps the anglec of rotation by Cam splitter; The bottom symmetrical of described rotating disk is provided with four groups of guide castors, and guide castor can slide on base plate; The top of described rotating disk is symmetrically installed with two carrier devices; Described conducting slip ring fixed mount is spirally connected and is arranged on the middle position of rotating disk, and conducting slip ring fixed mount is provided with conducting slip ring; Described conducting slip ring stop motion mechanism is arranged on base plate, and conducting slip ring keeps stationary state by conducting slip ring stop motion mechanism, prevents the wire intertwist on conducting slip ring; Described solenoid valve is arranged on base plate by solenoid valve holder.
Described guide castor comprises fixed guide reservation 7001, orienting lug 7002 and leading block 7003, described fixed guide reservation is arranged on the bottom of rotating disk, fixed guide reservation lower end is provided with orienting lug, and linked together by spring 7004 between fixed guide reservation and orienting lug, the lower end of orienting lug is connected to leading block by rotating shaft 7005.
Described conducting slip ring stop motion mechanism comprises conducting slip ring stop base 7301, conducting slip ring stop support seat 7302, conducting slip ring locking plate 7303 and stiffening plate 7304, described conducting slip ring stop base is fixed on base plate, conducting slip ring stop support seat is arranged on conducting slip ring stop base, described conducting slip ring locking plate is arranged on conducting slip ring stop support seat top, and is strengthened fixing by stiffening plate; Described conducting slip ring locking plate front end is provided with a draw-in groove 7305, and described conducting slip ring is connected in draw-in groove.
Described carrier device it comprise carrier base plate 76, the both sides, top of described carrier base plate are separately installed with a carrier side plate 77, carrier floor rear is provided with carrier baffle plate 78, two carrier side plates are provided with carrier installing plate 79, carrier installing plate is provided with carrier 80 and carrier block 81, carrier is placed LCD product, described two carrier side plate interior sides are separately installed with a carrier slide rail 82, each carrier slide rail coordinates a carrier slide block 83 is installed, each carrier slide block is fixedly connected with an erecting frame 84, two erecting frames are provided with a substrate fixed head 85, erecting frame is L-type structure, erecting frame is spirally connected and is fixed on carrier slide block, and substrate fixed head is spirally connected and is fixed on two erecting frames.
Described substrate fixed head is provided with the substrate 86 for being energized to LCD product, four angles of described substrate fixed head are separately installed with L shape substrate block 87, substrate is located by substrate block, prevents substrate to be shifted.
In the middle of described carrier base plate, a tank key way 88 is installed, also comprise a tank chain 89, tank chain one end is fixed on carrier installing plate bottom, the tank chain other end is fixed in tank key way by tank chain erecting frame 90, described tank key way is U-lag structure, tank chain cooperation is arranged in tank key way, and tank chain for holding the winding displacement be connected between substrate with LCD, thus avoids winding displacement to damage.
Described carrier base plate is provided with carrier cylinder 91, and the front end of carrier cylinder is connected to carrier cylinder holder 93 by cylinder connector 92, and carrier cylinder holder is fixed on the bottom of substrate fixed head.
Described carrier is placed LCD product, and by carrier block location LCD product; Substrate can be used to the energising of LCD product, and the winding displacement be connected between substrate with LCD is protected by tank chain, thus avoids winding displacement to damage; Carrier air cylinder driven can drive substrate fixed head to move along carrier slide rail, and substrate can be made to move to required position, is convenient to install winding displacement or change substrate, is convenient to the use of carrier device.
Described rotating disk is provided with slotted eye being positioned at carrier device region place, instantly seal box move down with rotating disk in conjunction with time, lower seal case is just in time positioned at slotted eye place, for ensure lower seal case and rotating disk junction light tight.
The rotating disk of described rotating disk mechanism is provided with two stations, and one of them picks and places station, and another detects station, and each station is provided with carrier device.
Principle of work of the present invention: LCD product A is put into and picked and placeed station by operator, and starting outfit is under Cam splitter effect; Rotating disk turns clockwise 180 °, LCD product A forwards detection station to, detecting station is in immediately below seal box mechanism, under the cooperation of CCD governor motion, seal box mechanism and lifting regulating mechanism, CCD takes pictures and detects LCD product A whether light leak, and operator puts into LCD product B picking and placeing station simultaneously; Rotating disk turns clockwise 180 ° again, and LCD product A rotates back into and picks and places station, and LCD product B forwards detection station to and detects, and operator takes out LCD product A, puts into next LCD product.
Above-described embodiment is the specific descriptions of carrying out the present invention; just the present invention is further described; can not be interpreted as limiting the scope of the present invention, those skilled in the art makes some nonessential improvement according to the content of foregoing invention and adjustment all falls within protection scope of the present invention.
Claims (9)
1. a LCD light leak test mechanism, is characterized in that: it comprises base plate, CCD governor motion, seal box mechanism, lifting regulating mechanism, rotating disk mechanism and carrier device, and described lifting regulating mechanism is arranged on base plate; Described rotating disk mechanism is arranged on base plate, and described carrier device is arranged on rotating disk mechanism; The connection of described CCD governor motion and lifting regulating mechanism utilizes the nut on the CCD support baseboard of CCD governor motion and the left and right screw mandrel of lifting regulating mechanism to link together; The connection of described CCD governor motion and seal box mechanism utilizes the CCD support baseboard of CCD governor motion and the upper seal box of seal box mechanism to be fixed together by four reinforcements;
Described CCD governor motion comprises CCD support baseboard, CCD column, CCD top board, the left screw mandrel of CCD, the right screw mandrel of CCD, clamp, CCD screw mandrel supporting seat, CCD control hand wheel, CCD float plate, CCD fixed head, CCD, CCD block, protective cover, driving wheel a, driving wheel rotating shaft a, engaged wheel rotating shaft a, engaged wheel a, belt a, stretching pulley a, stretching pulley rotating shaft a, rotating shaft holder and tensioning block, and described CCD support baseboard is provided with CCD top board by four CCD columns; The left screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the left screw mandrel lower end of CCD is provided with CCD control hand wheel, and the left screw mandrel upper end of CCD is connected to driving wheel rotating shaft a, and driving wheel rotating shaft a is provided with driving wheel a; The right screw mandrel of described CCD is through CCD top board and CCD support baseboard, and the right screw mandrel lower end of CCD is provided with clamp, and the upper end of the right screw mandrel of CCD is connected to engaged wheel rotating shaft a, and engaged wheel rotating shaft a is provided with engaged wheel a; Be provided with belt a between described driving wheel a and engaged wheel a, belt a is by stretching pulley a adjusting elasticity; Described rotating shaft holder is stuck in the groove on CCD top board, and rotating shaft holder is linked together by bolt and tensioning block, and stretching pulley a is arranged on rotating shaft holder by stretching pulley rotating shaft a, and tensioning block is fixed in the groove on CCD top board; Described CCD float plate is arranged on the nut of the left screw mandrel of CCD and the nut of the right screw mandrel of CCD, CCD float plate is provided with CCD fixed head, CCD fixed head is provided with CCD; Described protective cover is arranged on CCD float plate bottom;
Described seal box mechanism comprises seal box, intermediate seal case, lower seal case, linear slide rail, slide block, lift cylinder, lift cylinder holder, lift cylinder fixed head and cylinder connector, the upper end of described lift cylinder is arranged on the casing rear portion of intermediate seal case by lift cylinder fixed head, the lower end of lift cylinder is fixed on lift cylinder holder by cylinder connector, and lift cylinder holder is fixed on the casing rear portion of lower seal case; Two linear slide rails be parallel to each other are installed on the left of the casing of described lower seal case, two linear slide rails be parallel to each other also are installed on the right side of the casing of lower seal case, the linear slide rail in left side and the linear slide rail on right side are symmetric structure, and on each linear slide rail, cooperation is provided with slide block; Described intermediate seal case is fixed on slide block, and is linked together by slide block and lower seal case, and can be slided up and down along lower seal case periphery by linear slide rail; Described upper seal box is fixed on intermediate seal case top; Left side and the right side of described upper seal box are separately installed with reinforcement, upper seal box sealing can be arranged on the bottom of CCD support baseboard by reinforcement;
Described lifting regulating mechanism comprises regulating device, left fixed head, right fixed head, clamping flange, left screw mandrel, right screw mandrel, top board, column, column mount pad, driving wheel b, driving wheel rotating shaft b, engaged wheel b, engaged wheel rotating shaft b, belt b, stretching pulley b, stretching pulley rotating shaft b and rotating shaft fixed head, on described base plate, arranged on left and right sides is respectively provided with two root posts, and four root post tops are provided with top board; Described left fixed head is arranged on two root posts of left side by clamping flange, and right fixed head is arranged on two root posts of right side by clamping flange; Described regulating device is arranged on left fixed head; Described left screw mandrel is through top board and left fixed head, and left screw mandrel lower end is provided with the engaged wheel c of regulating device, and left screw mandrel upper end is connected to driving wheel rotating shaft b, and driving wheel rotating shaft b is provided with driving wheel b; Described right screw mandrel is through top board and right fixed head, and the upper end of right screw mandrel is connected to engaged wheel rotating shaft b, and engaged wheel rotating shaft b is provided with engaged wheel b; Be connected between described driving wheel b and engaged wheel b on belt b, belt b is by stretching pulley b adjusting elasticity; Described stretching pulley b is arranged on rotating shaft fixed head by stretching pulley rotating shaft b, and rotating shaft fixed head is fixed on top board; Described left screw mandrel coordinates left feed screw nut is installed, right screw mandrel coordinates right feed screw nut is installed, left feed screw nut and right feed screw nut are provided with CCD support baseboard;
Described regulating device comprises control hand wheel, rotating shaft, rotating shaft supporting seat a, rotating shaft supporting seat b, cushion block, bevel gear wheel, bevel pinion, regulating block, driving wheel c, driving wheel rotating shaft c, engaged wheel c, stretching pulley c, stretching pulley rotating shaft c and belt c, described adjusting handle is linked together by rotating shaft and bevel gear wheel, rotating shaft is fixed by rotating shaft supporting seat a, and rotating shaft supporting seat is arranged on left fixed head by cushion block; Described driving wheel rotating shaft c through left fixed head, and is fixed by rotating shaft supporting seat b, and driving wheel rotating shaft c upper end is provided with bevel pinion, and lower end is provided with driving wheel c; Described engaged wheel c is arranged on below left fixed head by engaged wheel rotating shaft, is connected with belt c between driving wheel c and engaged wheel c, and belt c is by stretching pulley c adjusting elasticity; Described stretching pulley c is arranged on regulating block by stretching pulley rotating shaft c, and regulating block is fixedly mounted on bottom left fixed head;
Described rotating disk mechanism comprises fixed head, Rotary Connection block, rotating disk, guide castor, conducting slip ring, conducting slip ring fixed mount, conducting slip ring stop motion mechanism, solenoid valve and solenoid valve holder at the bottom of Cam splitter, dispenser side fixed head, dispenser, and described Cam splitter is arranged on base plate bottom by fixed head at the bottom of two block comminute device side fixed heads and dispenser; The output terminal that described rotating disk is arranged on Cam splitter by Rotary Connection block realizes calibration intermittent rotary, grasps the anglec of rotation by Cam splitter; The bottom symmetrical of described rotating disk is provided with four groups of guide castors, and guide castor can slide on base plate; Described conducting slip ring fixed mount is arranged on the middle position of rotating disk, and conducting slip ring fixed mount is provided with conducting slip ring; Described conducting slip ring stop motion mechanism is arranged on base plate, and conducting slip ring keeps stationary state by conducting slip ring stop motion mechanism, prevents the wire intertwist on conducting slip ring; Described solenoid valve is arranged on base plate by solenoid valve holder;
Described carrier device comprises carrier base plate, the both sides, top of described carrier base plate are separately installed with a carrier side plate, carrier floor rear is provided with carrier baffle plate, two carrier side plates are provided with carrier installing plate, carrier installing plate is provided with carrier and carrier block, carrier is placed LCD product, it is characterized in that: described two carrier side plate interior sides are separately installed with a carrier slide rail, each carrier slide rail coordinates a carrier slide block is installed, each carrier slide block is fixedly connected with an erecting frame, two erecting frames is provided with a substrate fixed head; Described substrate fixed head is provided with the substrate for being energized to LCD product; Be provided with a tank key way in the middle of described carrier base plate, also comprise a tank chain, tank chain one end is fixed on carrier installing plate bottom, and the tank chain other end is fixed in tank key way by tank chain erecting frame; Described carrier base plate is provided with carrier cylinder, and the front end of carrier cylinder is connected to carrier cylinder holder by cylinder connector, and carrier cylinder holder is fixed on the bottom of substrate fixed head;
Described CCD governor motion is for regulating the upper-lower height of CCD, and CCD is used for detection of taking pictures; Described seal box mechanism is for ensureing that LCD is in closed light tight environment all the time; Described lifting regulating mechanism is for regulating the upper-lower height of CCD governor motion and seal box mechanism; The rotating disk of described rotating disk mechanism is provided with two stations, and one of them picks and places station, and another detects station, and each station is provided with carrier device, and LCD product A is put into and picked and placeed station, starting outfit by operator; Rotating disk turns clockwise 180 °, and LCD product A forwards detection station to, and CCD takes pictures and detects LCD product A whether light leak, and operator puts into LCD product B picking and placeing station simultaneously; Rotating disk turns clockwise 180 ° again, and LCD product A rotates back into and picks and places station, and LCD product B forwards detection station to and detects, and operator takes out LCD product A, puts into next LCD product.
2. a kind of LCD light leak test mechanism according to claim 1; it is characterized in that: described CCD support baseboard is provided with a slotted eye in the corresponding section, position with protective cover; protective cover lower end can through the slotted eye of CCD support baseboard; protective cover is deep in seal box mechanism, light tight for ensureing.
3. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: described CCD fixed head is installed with CCD block respectively in the surrounding being positioned at CCD, and CCD block can locate CCD.
4. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: the CCD screw mandrel supporting seat that the left screw mandrel of described CCD and the right screw mandrel of CCD are installed respectively by its upper and lower two ends is fixed on CCD top board and CCD support baseboard.
5. a kind of LCD light leak test mechanism according to claim 1, it is characterized in that: described upper seal box and intermediate seal case, intermediate seal case and lower seal case junction are respectively equipped with sealing strip, for ensure upper seal box and intermediate seal case, intermediate seal case and lower seal case junction light tight.
6. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: described upper seal box, intermediate seal case and lower seal case are the square box penetrating up and down surrounded by four pieces of panels respectively.
7. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: described four root posts are arranged on base plate and top board by column mount pad symmetry.
8. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: four angles of described substrate fixed head are separately installed with L shape substrate block, substrate is located by substrate block.
9. a kind of LCD light leak test mechanism according to claim 1, is characterized in that: described tank key way is U-lag structure, and tank chain cooperation is arranged in U-lag, and tank chain for holding the winding displacement be connected between substrate with LCD, thus avoids winding displacement to damage.
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| CN201410705228.0A CN104460059B (en) | 2014-11-27 | 2014-11-27 | A kind of LCD light leak tests mechanism |
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| CN201410705228.0A CN104460059B (en) | 2014-11-27 | 2014-11-27 | A kind of LCD light leak tests mechanism |
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| CN109214228A (en) * | 2018-10-29 | 2019-01-15 | 合肥友高物联网标识设备有限公司 | A kind of bottled product periphery label information detection supplementary structure |
| CN109357845A (en) * | 2018-09-30 | 2019-02-19 | 东莞华贝电子科技有限公司 | For detecting the dark box device and its detection method of the screen of terminal |
| CN118169914A (en) * | 2024-05-14 | 2024-06-11 | 南通市垲德利光电科技有限公司 | Display screen backlight plate CCD image sensor detection device |
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| CN104460059B (en) | 2017-03-29 |
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Address after: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Patentee after: Bo Seiko Polytron Technologies Inc Address before: The Wujiang economic and Technological Development Zone West Road Wujiang District of Suzhou City, Jiangsu Province, No. 666 215200 Patentee before: Suzhou Bozhong Precision Industry Technology Co., Ltd. |