CN209946580U

CN209946580U - Manual cover-lifting type vertical downward pressing lighting fixture

Info

Publication number: CN209946580U
Application number: CN201920741038.2U
Authority: CN
Inventors: 蔡俊良
Original assignee: Kunshan Youzuan Precision Equipment Co Ltd
Current assignee: Kunshan Youzuan Precision Equipment Co Ltd
Priority date: 2019-05-22
Filing date: 2019-05-22
Publication date: 2020-01-14
Anticipated expiration: 2029-05-22

Abstract

The utility model discloses a manual flip type vertical downward pressing lighting fixture, which comprises a base, an imaging unit, a detection platform, a cover plate, a vertical downward pressing mechanism and a dial, wherein the imaging unit and the detection platform are respectively and fixedly arranged on the base, the detection platform is provided with a positioning device for fixing and positioning an LCD panel, the imaging unit can image the LCD panel on the detection platform, the cover plate can be arranged on the base in a turnover way with a set angle, the cover plate is provided with a polarizing plate, the polarizing plate can cover the surface of the LCD panel on the detection platform, the vertical downward pressing mechanism can be arranged on the cover plate in a lifting way along the direction of the surface of the vertical cover plate, the dial is fixedly arranged on the vertical downward pressing mechanism, a probe on the dial can contact with a signal input point of the LCD panel on the detection platform, the utility model has simple structure, stable operation, high positioning precision and high detection precision for the LCD panel, need not to change whole set of tool, only need change examine test table and dial can, the commonality is good, greatly reduced use cost.

Description

Manual cover-lifting type vertical downward pressing lighting fixture

Technical Field

The utility model relates to a LCD detection tool, in particular to manual formula of uncapping vertical push down tool of lighting a lamp.

Background

Contacting each pad, i.e., signal input point, on the LCD panel with a fine probe set; then, various display signals to be tested are input into the LCD panel, the process is called lighting, and operators can judge the grade of the LCD panel during lighting inspection operation.

The existing manual lighting fixture generally comprises a lug, a fixed block, a positioning rod, a dial fixed block, a spring and a base, wherein the lug, the fixed block, the positioning rod, the dial fixed block, the spring and the base can enable the mechanism to vertically move up and down and adjust the stroke of the up-and-down movement, the dial fixed block can fix an auxiliary mechanism, and the spring realizes the reset of the dial fixed block.

The existing manual lighting fixture only can do vertical reciprocating motion, so that a connecting rod mechanism is easy to contact with a product, the surface of the product is scratched or damaged, and the mechanism shakes and runs unstably due to too long stroke during action, so that the accuracy of the mechanism is poor; due to the adoption of the integral design, the whole lighting fixture needs to be replaced when the LCD panels with different sizes are replaced.

Therefore, the existing manual lighting fixture has the following disadvantages:

1. the structure is single, and the product quality is easy to be abnormal;

2. the mechanism shakes due to the overlong reciprocating stroke, and the precision is poor;

3. the sharing of the jig is poor and the cost is high.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model provides a manual formula of lifting vertical push-down lamp tool that covers, this manual formula of lifting vertical push-down lamp tool that covers can avoid damaging the product, guarantees the product precision, and the operation is stable, and it is high to detect the precision, and general type is good, and use cost is low.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: the utility model provides a manual formula of lifting vertical push down tool of lighting a lamp, includes base, imaging unit, examines test table, apron, vertical push down mechanism and dial, imaging unit and examine test table fixed mounting respectively on the base, examine and be equipped with the positioner who is used for fixed positioning LCD panel on the test table, imaging unit can form images to examining bench LCD panel, the apron can overturn the installation of setting for the angle on the base, be equipped with the polarizing plate on the apron, the polarizing plate can cover and examine bench LCD panel surface, vertical push down mechanism can follow the installation of perpendicular apron surface direction elevating movement on the apron, dial fixed mounting is on vertical push down mechanism, the probe on the dial can contact the signal input point who examines bench LCD panel.

As a further improvement, the imaging unit is a CCD imaging device and is also provided with an illumination unit which provides illumination for the LCD panel imaging position.

As a further improvement of the utility model, the inner groove structure of the positioning device on the detection table for respectively placing the LCD panel.

As a further improvement, fixed mounting has first electromagnetic means on the base, still is equipped with apron position sensor on the base, and apron position sensor can respond to the apron position and signal in first electromagnetic means, and first electromagnetic means's ejector pin can stretch out and tightly support the surface of apron dorsad base direction.

As a further improvement of the utility model, perpendicular pushing down mechanism includes cam device, locating lever and is used for the dial locating plate of fixed mounting dial, cam device can the pivoted install on the apron, and the locating lever is along the fixed mounting that perpendicular apron surface direction extends on the apron, and the dial locating plate can be followed locating lever endwise slip's cover and located the location on, and cam circumference lateral wall tightly supports on the dial locating plate downside is surperficial.

As a further improvement, the needle dial positioning plate is provided with a linear bearing, and the positioning rod is sleeved with the linear bearing in a sliding manner.

As the utility model discloses a further improvement still is equipped with limiting plate, cam briquetting and second electromagnetic means, limiting plate fixed mounting is in the locating lever upper end, and the cam briquetting can the pivoted install on the limiting plate, and cam briquetting circumference outside surface forms eccentric structure, and cam briquetting circumference lateral surface tightly supports dial locating plate upside surface, and second electromagnetic means fixed mounting is on the limiting plate, and cam briquetting is formed with planar pressure face of supporting on dial locating plate one side dorsad, and second electromagnetic means's ejector pin can stretch out and tightly support the pressure face of supporting on the cam briquetting, and second electromagnetic means carries out the communication with apron position sensor.

As a further improvement, the apron that still fixes on the base turns to the stopper, and the apron turns to and is equipped with an inclined plane on the stopper, and this inclined plane just can laminate on the surface when the apron is in the open mode.

As a further improvement, the cover plate is of a frame structure, the inner frame of the frame structure is larger than the step surface of the lower end opening for the upper end opening, the polarizing plate can be installed on a side wall of the inner frame of the cover plate in a rotating mode through the positioning rotating shaft, and the lower side surface of the polarizing plate is stopped on the step of the inner frame of the frame structure.

The utility model has the advantages that: the utility model discloses form on the base and can lift, closed apron, will push down the mechanism perpendicularly and install on the apron, and then realized lifting lid and probe and pushed down the order action, avoided in the testing process operating device damage LCAD panel, guarantee the panel precision, through the utility model discloses simple structure, the operation is stable, and positioning accuracy is high, and it is high to detect the precision to the LCD panel, when changing the LCD panel, need not to change whole set of tool, only need change examine test table and dial can, the commonality is good, greatly reduced use cost.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a rear view of the present invention;

FIG. 4 is a view of the base structure of the present invention;

fig. 5 is a schematic view of the cover plate of the present invention in a closed state;

fig. 6 is a schematic view of the cover plate opening state of the present invention.

Detailed Description

Example (b): the utility model provides a manual formula of lifting vertical push-down lamp tool, includes base 1, imaging unit 2, examines test table 3, apron 4, perpendicular push-down mechanism 5 and dial 6, imaging unit 2 with examine test table 3 fixed mounting respectively on base 1, examine and be equipped with the positioner who is used for fixed positioning LCD panel on the test table 3, imaging unit 2 can form images to examining the LCD panel on the test table 3, apron 4 can overturn the installation of setting for the angle on base 1, be equipped with polarizing plate 7 on the apron 4, polarizing plate 7 can cover on examining test table 3 LCD panel surface, perpendicular push-down mechanism 5 can follow the installation on apron 4 of perpendicular apron 4 surface direction elevating movement, dial 6 fixed mounting is on perpendicular push-down mechanism 5, the probe on the dial 6 can contact examine the signal input point of LCD panel on test table 3.

When the LCD panel is lighted and tested, the LCD panel is fixedly arranged on the test table 3, then the cover plate 4 is overturned to be flatly attached to the test table 3, at the moment, the polarizing plate 7 on the cover plate 4 just covers the surface of the LCD panel, at the moment, the vertical pressing mechanism 5 drives the needle dial 6 to descend, so that the probe on the needle dial 6 is contacted with a signal input point on the LCD panel, at the moment, various display signals to be tested are input into the LCD panel to be lighted, the imaging unit 2 images the LCD panel for an operator to carry out grade judgment on the LCD panel, after the test is finished, the next LCD panel can be replaced by sequentially resetting the vertical pressing mechanism and the cover plate 4, the structure can realize the cover lifting action of the cover plate 4 and the vertical pressing action of the needle dial 6, the positioning precision is high, the operation is stable, the contact with the surface of a product can not occur in the using process, the abnormal phenomena of scratching of, wherein the base 1 is an inclined plane 20 with an included angle with the horizontal direction, which is best at the upper end, and is convenient for detection, an operator operates, the base 1 is internally provided with a hollow structure communicated with the outside, the imaging unit 2 is accommodated in the hollow structure of the base 1 to realize imaging of an LCD panel and timely observe by the operator, a rotating shaft fixing seat 21 is arranged on the inclined plane at the upper end of the base 1, a precise rotating shaft 22 of the cover plate 4 can be rotatably inserted in the rotating shaft fixing seat to realize precise rotating installation of the cover plate 4, a fixing plate 23 with a convex structure can be further arranged on one side of the cover plate 4 facing the detection table 3 for installing the vertical pressing mechanism 5, a groove 24 matched with the detection table 3 is arranged on the detection table 3 and is used for accommodating the fixing plate when the cover plate 4 is closed, the structure can also realize guiding and limiting of the closed position of the cover plate 4, if need detect the LCD panel of different specifications, then only need to change examine test table 3 and dial 6 can, need not to change a whole set of detection tool, it is convenient to change, and the commonality is good, saves the cost.

The imaging unit 2 is a CCD imaging device and is also provided with an illuminating unit which provides illumination for the imaging position of the LCD panel. The LCD panel is illuminated by the illumination unit, which is advantageous for improving the imaging definition of the imaging unit 2.

And the positioning device on the detection table 3 is an inner groove structure 8 respectively used for placing LCD panels.

The base 1 is fixedly provided with a first electromagnetic device 9, the base 1 is further provided with a cover plate position sensor 10, the cover plate position sensor 10 can sense the position of the cover plate 4 and transmit the signal to the first electromagnetic device 9, and an ejector rod of the first electromagnetic device 9 can stretch out and tightly support the surface of the cover plate 4, which faces away from the base 1. First electromagnetic means 9 is used for realizing fixing a position apron 4 that is in 0, when guaranteeing to form images to the LCD panel and detect, apron 4 keeps stable position state, guarantee that probe and LCD signal input point contact are stable, can also adopt the flexible apron 4 that compresses tightly and break away from of piston rod that adopts the cylinder except adopting electromagnetic means, can also adopt and rotate the pendulum rod of installing on base 1, rotate through the pendulum rod and realize compressing tightly and breaking away from apron 4, can also realize the block location to apron 4 through elastic buckle, this type of structure all is the equivalence alternative structure that this patent of technical staff thinks about very easily according to this patent, belong to the protection scope of this patent.

The vertical pressing mechanism 5 comprises a cam device 11, a positioning rod 12 and a dial positioning plate 13 for fixedly mounting the dial 6, the cam device 11 can be rotatably mounted on the cover plate 4, the positioning rod 12 is fixedly mounted on the cover plate 4 along the direction perpendicular to the surface of the cover plate 4, the dial positioning plate 13 can be axially slidably sleeved on the positioning rod 12, and the circumferential outer side wall of the cam tightly supports against the lower side surface of the dial positioning plate 13. Rotate through cam gear 11 and realize stirring to dial locating plate 13, and then realize that dial locating plate 13 rises or descends and realize the separation and the contact of signal input point on probe and the LCD panel, cam gear 11 can rotate through manual pulling, can set up the handle for improving the operation, cam gear 11 can also drive through the motor, and this is thought out very easily according to this patent for technical personnel in the field, belongs to this patent protection scope.

The dial positioning plate 13 is provided with a linear bearing 14, and the linear bearing 14 is slidably sleeved outside the positioning rod 12. The guide of the needle dial positioning plate 13 is realized through the precise linear bearing 14, the needle dial 6 is ensured to ascend and descend along the straight line vertical to the LCD panel, the LCD panel is prevented from being scratched by the probe, the probe is ensured to be in direct contact with the signal input point of the LCAD panel when descending, and the improvement of the detection precision is facilitated.

Still be equipped with limiting plate 15, cam briquetting 16 and second electromagnetic means 17, limiting plate 15 fixed mounting is in locating lever 12 upper end, and cam briquetting 16 can the pivoted install on limiting plate 15, and cam briquetting 16 circumference outside surface forms eccentric structure, and 16 circumference lateral surfaces of cam briquetting tightly support the side surface on the dial locating plate 13, and second electromagnetic means 17 fixed mounting is on limiting plate 15, and cam briquetting 16 is formed with planar face of supporting on the dial locating plate 13 one side dorsad, and the ejector pin of second electromagnetic means 17 can stretch out and tightly support the face of supporting on the cam briquetting 16, and second electromagnetic means 17 carries out the communication with apron position sensor 10. Rotate through cam briquetting 16 and push up dial locating plate 13 and descend to the least significant end, realize probe and LCAD panel in close contact with, briquetting positioner is pushing up, except adopting above-mentioned compact structure to compress tightly dial locating plate 13, still can be for other structures, like the telescopic cylinder who is located on limiting plate 15, press the handle etc. soon.

The base 1 is further fixedly provided with a cover plate steering limiting block 18, and the cover plate steering limiting block 18 is provided with an inclined surface which can be just attached to the surface of the cover plate 4 in the opening state. The cover plate turning limiting block 18 is used for limiting the opening angle of the cover plate 4, avoiding the collision and damage of a vertical pressing device on the cover plate 4 and detection equipment, limiting the opening angle of the cover plate 4 within a certain range, facilitating detection, and optimally limiting the rotation range of the cover plate 4 within 0-135 degrees.

The cover plate 4 is of a frame-shaped structure, an inner frame of the frame-shaped structure is a step surface with an upper end opening larger than a lower end opening, the polarizing plate 7 can be rotatably arranged on one side wall of the inner frame of the cover plate 4 through the positioning rotating shaft 19, and the lower side surface of the polarizing plate 7 is stopped on the step of the inner frame of the frame-shaped structure. The limiting and positioning of the polarizing plate 7 are realized by forming a step surface on the inner side of the frame-shaped structure of the cover plate 4, and the detection precision of the LCD panel is ensured.

Claims

1. The utility model provides a manual formula of uncapping is pressed down perpendicularly and is lighted a lamp tool which characterized in that: including base (1), imaging unit (2), examine test table (3), apron (4), push down mechanism (5) and dial (6) perpendicularly, imaging unit with examine test table fixed mounting respectively on the base, examine and be equipped with the positioner who is used for fixed positioning LCD panel on the test table, imaging unit can form images to examining test bench LCD panel, the apron can overturn the installation of setting for the angle on the base, be equipped with polarizing plate (7) on the apron, the polarizing plate can cover in examining test bench LCD panel surface, push down mechanism perpendicularly can follow perpendicular apron surface direction elevating movement install on the apron, dial fixed mounting is on pushing down the mechanism perpendicularly, probe on the dial can contact the signal input point who examines test bench LCD panel.

2. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the imaging unit is a CCD imaging device and is also provided with an illuminating unit which provides illumination for the imaging position of the LCD panel.

3. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the positioning device on the detection table is an inner groove structure (8) used for placing LCD panels respectively.

4. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the base is fixedly provided with a first electromagnetic device (9), the base is further provided with a cover plate position sensor (10), the cover plate position sensor can sense the position of the cover plate and transmit a signal to the first electromagnetic device, and an ejector rod of the first electromagnetic device can stretch out and tightly support the surface of the cover plate back to the direction of the base.

5. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the vertical pressing mechanism comprises a cam device (11), a positioning rod (12) and a dial positioning plate (13) for fixedly mounting a dial, the cam device can be rotatably mounted on the cover plate, the positioning rod is fixedly mounted on the cover plate along the direction perpendicular to the surface of the cover plate, the dial positioning plate can be axially sleeved on the positioning rod in a sliding manner, and the outer side wall of the circumference of the cam tightly supports against the lower side surface of the dial positioning plate.

6. The manual clamshell type vertical downward-pressing lighting fixture of claim 5, wherein: the dial positioning plate is provided with a linear bearing (14), and the linear bearing can be sleeved outside the positioning rod in a sliding manner.

7. The manual clamshell type vertical downward-pressing lighting fixture of claim 5, wherein: still be equipped with limiting plate (15), cam briquetting (16) and second electromagnetic means (17), limiting plate fixed mounting is in the locating lever upper end, and the cam briquetting can the pivoted install on the limiting plate, and cam briquetting circumference outside surface forms eccentric structure, and cam briquetting circumference lateral surface tightly supports dial locating plate upside surface, and second electromagnetic means fixed mounting is on the limiting plate, and cam briquetting is formed with planar face of supporting on dial locating plate one side dorsad, and the ejector pin of second electromagnetic means can stretch out and tightly support the face of supporting on the cam briquetting, and second electromagnetic means carries out the communication with apron position sensor.

8. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the base is further fixedly provided with a cover plate steering limiting block (18), and the cover plate steering limiting block is provided with an inclined plane which can be just attached to the surface of the cover plate in the opening state.

9. The manual clamshell type vertical downward-pressing lighting fixture of claim 1, wherein: the cover plate is of a frame-shaped structure, an inner frame of the frame-shaped structure is a step surface with an upper end opening larger than a lower end opening, the polarizing plate can be rotatably arranged on one side wall of the inner frame of the cover plate through a positioning rotating shaft (19), and the lower side surface of the polarizing plate is stopped on the step of the inner frame of the frame-shaped structure.