CN216349494U - Bearing platform for display module detection - Google Patents
Bearing platform for display module detection Download PDFInfo
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- CN216349494U CN216349494U CN202122293955.9U CN202122293955U CN216349494U CN 216349494 U CN216349494 U CN 216349494U CN 202122293955 U CN202122293955 U CN 202122293955U CN 216349494 U CN216349494 U CN 216349494U
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Abstract
The utility model discloses a bearing platform for detecting a display module, which comprises a placing platform and a positioning platform, wherein the placing platform is arranged on the bearing platform; the positioning platform comprises a plurality of air passages inside, and ports on one side of the air passages are exposed out of a bearing surface of the positioning platform to form a plurality of adsorption ports; the bearing platform also comprises a light source piece positioned on one side of the positioning platform, which is far away from the bearing surface; the light source piece can move relative to the positioning platform in a direction close to or far away from the placing platform; the placing platform comprises a bottom plate and a fixing mechanism positioned on the bottom plate; the fixing mechanism includes: a fixing assembly located on the base plate; the fixing component comprises a vacuum adsorption piece for bearing and fixing the display module. The utility model can realize the rapid, accurate and stable positioning and fixing of the display modules with different structural sizes, and improve the detection efficiency of the display modules.
Description
Technical Field
The utility model relates to the technical field of display module detection. And more particularly, to a carrier for detecting a display module.
Background
The display module is used as an important component of most of the existing electronic equipment, and the display module needs to be subjected to lighting test before leaving a factory, wherein the lighting test comprises parameter tests of chroma, brightness, flicker degree and the like. After arranging the display module on the detection device, the electric conduction between the display module and the external detection equipment is realized by utilizing the crimping conduction device of the detection device, so that the display module is detected.
In the performance detection of the display module, the flexible circuit board (FPC portion) extending from the display module is usually positioned, and the detection device is conducted with the flexible circuit board, so that the display module is detected. But because display module assembly structure size has big or small, flexible circuit board itself has the flexibility, consequently can appear arching the inaccurate problem in dislocation location when putting into the detection position, at this moment, need artifically confirm flexible circuit board's laminating state, make its adjustment to can level and laminate with check out test set, just can detect, the human cost of having greatly wasted of this kind of adjustment mode has reduced detection efficiency. And present display module assembly plummer do not possess can with vision acquisition positioner matched with to realize fixing a position the correlation ability that improves work efficiency fast to flexible circuit board (FPC portion).
In addition, as the curved screen mobile phone is more popular, the detection requirement of the curved screen is increased, and the bending angle of the long side of the curved screen can reach 70 degrees. In the process of manufacturing the curved screen, the situation that the curved part of the screen has fine cracks inevitably occurs due to the manufacturing process.
The AOI equipment of current special detection curved part crack all adsorbs the cell-phone screen on a platform, then goes to shoot the curved part of curved surface screen through sweeping certain angle of camera slope, reaches the purpose that detects the slight crack, but current equipment is at the shooting in-process, and the platform can not adjust display module's gradient for the camera hardly obtains the complete clear image of curved surface part, leads to the degree of accuracy that detects lower.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, at least one objective of the present invention is to provide a carrier for detecting a display module, so as to achieve fast, accurate and stable positioning and fixing of display modules with different structural sizes, and improve the detection efficiency of the display module.
In order to achieve the purpose, the utility model adopts the following technical scheme:
according to an aspect of the present invention, the present invention provides a carrier for detecting a display module, the carrier comprising:
a placing platform for placing the display module; and
a positioning platform for bearing the FPC part on the display module;
the positioning platform is used for bearing the surface of the FPC part on the display module to form a bearing surface; the positioning platform comprises a plurality of air passages inside, and ports on one side of the air passages are exposed out of a bearing surface of the positioning platform to form a plurality of adsorption ports;
the bearing platform also comprises a light source piece positioned on one side of the positioning platform, which is far away from the bearing surface; the light source piece can move relative to the positioning platform in a direction close to or far away from the placing platform;
the placing platform comprises a bottom plate and a fixing mechanism positioned on the bottom plate;
the fixing mechanism includes:
a fixing assembly located on the base plate;
the fixing assembly comprises a vacuum adsorption piece for bearing and fixing the display module.
In addition, preferably, the bottom plate comprises two groups of fixing assemblies arranged along a first direction;
each group of fixing assemblies comprises two vacuum adsorption pieces arranged along a second direction; the first direction is perpendicular to the second direction in the same horizontal plane.
In addition, it is preferable that the vacuum suction member includes a suction cup portion and a rod portion connected to the suction cup portion and having a ventilation channel;
the sucker part is configured to be capable of reciprocating relative to the rod part along a third direction, and the third direction is perpendicular to the first direction and the second direction; the sucking disc parts of the two groups of fixing components form an adsorption fixing surface for bearing and fixing the display module.
In addition, preferably, the positioning platform is of a transparent material structure.
Further, it is preferable that the plurality of suction ports include portions having different distances from the positioning mechanism.
In addition, preferably, the bottom plate comprises two groups of brackets arranged along a first direction, and the brackets comprise strip-shaped grooves extending along a second direction;
the two groups of fixing components are respectively assembled on the strip-shaped grooves of the two groups of brackets; the vacuum adsorption piece can reciprocate along the extending direction of the strip-shaped groove.
In addition, preferably, the fixing component further comprises a connecting block, and the vacuum adsorption piece is assembled on the strip-shaped groove through the connecting block;
the connecting block comprises a main body; and a connecting part extending outwards from the main body; the connecting part comprises a mounting hole corresponding to the strip-shaped groove;
the rod part of the vacuum adsorption part is fixedly combined with the main body; the main body comprises a vent hole communicated with the vent channel of the rod part of the vacuum adsorption part; the vent hole is provided with a connecting pipe.
In addition, it is preferable that the connecting block is formed with a notch, and a side surface of the notch is attached to a side surface of the bracket.
In addition, preferably, the rod part is sleeved with a spring; the spring is abutted and fixed between the sucker part and the connecting block.
In addition, preferably, the bearing platform comprises a positioning platform; the counterpoint platform includes:
a positioning table bottom plate;
the alignment table power device is arranged on the alignment table bottom plate; and
a movable plate controlled and driven by the power device of the alignment table;
the bearing table is fixedly combined on the movable plate.
The utility model has the following beneficial effects:
the vacuum adsorption pieces of the bearing table provided by the utility model have adjustable relative positions, can meet the detection of display modules with different structural sizes, and can finely adjust the inclination of the display module by moving the two adjacent sucking disc parts up and down according to the difficulty that the inclination of the display module cannot be adjusted during crack detection of the display module, so that an included angle is formed between the display module and a horizontal plane, or the display module is leveled, therefore, the inclination of the display module can be quickly adjusted by matching the vacuum adsorption pieces, so that a detection camera can shoot clear images of the display module, and the working efficiency and the accuracy of crack detection are improved.
In addition, the bearing table provided by the utility model also aims at the detection of display modules with different structural sizes, the structure of the positioning platform is also improved, when the bearing table is matched with the visual acquisition positioning device for use, the position of the light source piece is adjustable, the positioning of FPC parts of the display modules with different structural sizes can be met, the visual acquisition positioning device can more conveniently and rapidly take pictures of the FPC parts of the display modules with different structural sizes, which are supported on the positioning platform, so that the position information of the FPC parts of the display modules on the positioning platform can be rapidly and accurately acquired, and the detection efficiency of the display modules is further improved.
Other advantages of the present invention over the prior art will be apparent from the detailed description which follows.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the carrier stage of the present invention.
Fig. 2 is a schematic view of the vacuum absorbing member and the connecting block in the carrier stage according to the present invention after they are assembled.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.
Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
For solving prior art defect to the realization is fixed quick, accurate, stable location to the display module assembly of different structure sizes, improves display module assembly's detection efficiency. The utility model provides a bearing platform for detecting a display module, which is shown in a combined figure 1 and a figure 2, and particularly comprises a placing platform 1 for bearing the display module and a positioning platform 2 for bearing an FPC part on the display module. The placing platform 1 is located at the side position of the positioning platform 2 so as to meet the following requirements of the FPC part of the display module. The positioning platform 2 is used for bearing the surface of the FPC part on the display module to form a bearing surface; the positioning platform 2 comprises a plurality of air passages inside, and ports on one side of the air passages are exposed out of the bearing surface of the positioning platform 2 to form a plurality of adsorption ports 21. The adsorption port 21 is used for adsorbing and fixing the FPC part of the display module borne by the positioning platform, so that the FPC part can be fixed, and the conduction detection of the display module is facilitated. It can be understood that the other side port of the air channels comprises a connection port for connecting an external vacuum-pumping device, and the connection port is positioned on the non-bearing surface of the positioning platform. The connector can be connected with a vacuum connector, and the vacuum connector is connected with external vacuum pumping equipment through an external pipeline so as to realize vacuum adsorption fixation of the FPC part on the display module.
In this embodiment, the bearing table further includes a light source device 3 located on a side of the positioning platform 2 away from the bearing surface. The light source part 3 is used for being matched with the visual collection positioning device for use, so that the visual collection positioning device can photograph and pick up the FPC part of the display module group placed on the positioning platform 2, the position information of the FPC part of the display module group on the positioning platform can be rapidly and accurately acquired, and the detection efficiency of the display module group is improved. Optionally, in order to ensure that the visual collection positioning device can photograph and pick up the position of the FPC portion of the display module mounted on the positioning platform 2, so as to quickly and accurately obtain the position information of the FPC of the display module mounted on the positioning platform 2, the light source component 3 covers the area defined on the bearing surface and used for mounting the FPC portion of the display module. Can use with the cooperation of vision acquisition positioner for satisfying positioning platform 2, positioning platform 2's material should select to have better luminousness, insulating properties and good comprehensive mechanical properties's material, in a specific implementation mode, positioning platform 2 be transparent material structure, positioning platform 2's material includes but not limited to ya keli.
For the volume that reduces light source spare to practice thrift the cost, and satisfy the location of different structure size display module assembly FPC portion, in this technical scheme, light source spare 3 can move in the direction that is close to or keeps away from the place the platform for location platform 2. The position through the light source spare is adjustable, and applicable location that satisfies not unidimensional display module assembly FPC portion improves display module assembly's whole detection efficiency. Optionally, a guiding module is included between the light source 3 and the positioning platform 2, and the guiding module includes, but is not limited to, a guiding rail assembly.
In this embodiment, the placing platform 1 includes a bottom plate 11 and a fixing mechanism located on the bottom plate 11 for supporting and fixing the display module. The fixing mechanism comprises a fixing component positioned on the bottom plate; the fixing assembly comprises a vacuum adsorption piece for bearing and fixing the display module. In order to adapt to display modules with different sizes, in one embodiment, referring to fig. 1, the fixing mechanism includes two sets of fixing components 12 arranged in a first direction on a bottom plate; each set of the fixing members 12 includes two vacuum suction members 13 arranged in the second direction; the first direction is perpendicular to the second direction in the same horizontal plane. The fixing mechanism is used for fixing the display module on the placing platform, and specifically, the fixing mechanism is fixed through the vacuum adsorption piece 13 in the fixing component 12 to realize the positioning adsorption of the display module.
In one embodiment, as shown in fig. 2, the vacuum chuck 13 includes a chuck part 131 and a rod part 132 connected to the chuck part 131 and having a ventilation channel, which is difficult to adjust the inclination of the display module during the crack detection of the display module. The chuck section 131 is configured to be reciprocally movable in a third direction with respect to the rod section 132, the third direction being perpendicular to both the first direction and the second direction; the sucking disc parts of the two groups of fixing components form an adsorption fixing surface for bearing and fixing the display module. The sucking disc portion 131 of each vacuum adsorption piece 13 all can reciprocate in four vacuum adsorption pieces 13, through reciprocating two adjacent sucking disc portions 131, can finely tune the gradient of display module assembly for form the contained angle between display module assembly and the horizontal plane, the gradient that can realize the quick adjustment display module assembly through the cooperation between four vacuum adsorption pieces 13 from this makes the detection camera can shoot the clear image of display module assembly, improves the accuracy that work efficiency and crack detected. The first direction corresponds to the X direction in fig. 1, the second direction corresponds to the Y direction in fig. 1, and the third direction corresponds to the Z direction in fig. 1.
In one embodiment, the plurality of suction ports 21 include portions at different distances from the positioning mechanism. The display module assembly of unidimensional not is located FPC portion extension length on the locating platform relatively different, sets up a plurality of absorption mouths 21 to apart from the difference for the positioning mechanism, and applicable in unidimensional display module assembly detection of equidimensional, when display module assembly structure size is less, extend to the FPC portion of locating platform when short, the accessible is a plurality of absorption mouths apart from the nearer absorption mouth of positioning mechanism and adsorb display module assembly FPC portion fixedly. When display module assembly structure size is great, when the FPC portion that extends to the location platform is longer, the absorption mouth far away apart from positioning mechanism in a plurality of absorption mouths of accessible adsorbs fixedly to display module assembly FPC portion. Therefore, the bearing table can be used for quickly positioning and detecting the display modules with different structural sizes, and is wide in application range.
In the embodiment as shown in fig. 1, the bottom plate 11 of the placement platform 1 includes an extending portion 10 extending towards the direction of the positioning platform 2, the positioning platform 2 is located on the extending portion 10 of the placement platform 1, so that the combination of the two is fixed, the extending portion 10 includes a hollow portion 101, the hollow portion 101 is used for avoiding shielding the light source part 3, so that the visual collection positioning device cooperates with the light source part, the visual collection positioning device can photograph and take a place of the display module FPC part placed on the positioning platform, so as to quickly and accurately acquire the position information of the display module FPC part on the positioning platform, and further improve the detection efficiency of the display module.
In order to adjust the positions of the two vacuum suction members 13 belonging to the same fixing assembly 12, in one embodiment, the bottom plate 11 includes two sets of brackets 4 arranged along a first direction, and the brackets 4 include a strip-shaped groove 41 extending along a second direction. Two sets of fixed subassemblies 12 are assembled respectively on two sets of strip grooves 41 of support 4, and two vacuum adsorption pieces 13 that belong to in the same fixed subassembly 12 can be along the extending direction reciprocating motion of same support 4 strip groove 41. The position of vacuum adsorption piece 13 on support 4 is adjustable, can confirm best absorption position, improves the compatibility to display module assembly, and the distance adjustment between two vacuum adsorption pieces 13 of same fixed subassembly 12 realizes adapting to the display module assembly of different size.
Specifically, as shown in fig. 1, in one embodiment, the two opposite side portions of the bottom plate 11 each include a mounting hole arranged along a first direction, and two end portions of the bracket 4 are respectively fixed to the mounting holes by fasteners. Therefore, the distance between the two supports 4 in the first direction is adjustable, the display module is suitable for bearing and fixing the display module with different structural sizes, and the application range is expanded.
As shown in fig. 2, the fixing assembly 13 further includes a connecting block 14, and the vacuum absorbing member 13 is assembled on the strip-shaped groove 41 through the connecting block 14; the connecting block 14 includes a main body 141, and a connecting portion 142 extending outwardly from the main body 141. The connecting part 142 comprises a mounting hole corresponding to the strip-shaped groove 41; the rod part 132 of the vacuum adsorption part 13 is combined and fixed with the main body 141 of the connecting block 14; the main body 141 comprises a vent hole communicated with the vent channel of the rod part 132 of the vacuum adsorption piece 13; the vent hole is provided with a connecting pipe. Bolts penetrate through the mounting holes and the strip-shaped grooves simultaneously to fix the connecting blocks and the bracket; because the pole portion and the connecting block of vacuum adsorption spare combine fixedly, thereby remove the connecting block and can drive the vacuum adsorption spare and remove in the bar inslot. Preferably, including other reserve vent holes in the main part of connecting block be convenient for change with the connected position of evacuation equipment guarantee not influence the removal of connecting block, other vent holes can be prevented gas leakage by the shutoff when not using, can make the configuration of the connecting line between vacuum adsorption spare and the evacuation equipment more nimble through the connecting pipe, the assembly of vacuum adsorption spare and evacuation equipment of being convenient for.
In one embodiment, as shown in fig. 2, a slot 143 is formed on the connecting block 14, and a side surface of the slot 143 is attached to a side surface of the bracket 4. The longitudinal section of the notch 143 is in an inverted L shape, and the notch has a limiting and guiding function, so that when the connecting block 14 moves on the bracket 4 along the second direction, the connecting block 14 cannot rotate towards two sides of the bracket, and the vacuum adsorption piece 13 is accurately positioned.
In order to increase the stability of the sucker part 131 after the display module is fixed, the rod part 132 is sleeved with a spring 5; the spring 5 is held in abutment between the chuck unit 131 and the connecting block 14. Through the arrangement, the connection part of the sucker part 131 and the rod part 132 is contacted to more closely increase the air tightness of the sucker part, so that air leakage caused by over loosening of the sucker part is avoided, and it can be understood that the spring is in a compression state between the sucker part and the fixed block all the time, and the sucker part and the rod part are tightly fixed by using the reaction force provided by the spring.
Optionally, in this embodiment, the plummer includes a positioning platform 6; the aligning platform 6 includes: an alignment table base plate 61; an alignment stage power device 62 provided on the alignment stage base plate 61; and a movable plate 63 driven by the alignment stage power device 62; the plummer is fixed on the movable plate 63. The placing platform 1 is used as a main bearing structure for bearing the display module, the aligning platform 6 is located at a position corresponding to the placing platform 1, and the bottom plate 11 of the placing platform 1 is fixed on the surface of the movable plate 61 through the combination of the mounting frame 7. Optionally, the alignment table power device comprises: a set of X-axis motors of the alignment table; two sets of Y-axis motors of the alignment tables are arranged side by side; the X-axis motor of the alignment table and the two Y-axis motors of the alignment table are respectively connected with the movable plate through a wide guide rail mechanism, the movable plate moves in a first direction and a second direction to be aligned under the common drive of the X-axis motor of the alignment table and the two Y-axis motors of the alignment table, the movable plate can rotate around a Z axis to be aligned through a rotating motor, and the alignment platform comprises but is not limited to an XY theta alignment platform.
According to the embodiment, the bearing table provided by the utility model can meet the detection of the display modules with different structural sizes, and in the detection process, the inclination of the display module can be finely adjusted, so that an included angle is formed between the display module and the horizontal plane or the display module is leveled, the inclination of the display module can be rapidly adjusted, a detection camera can shoot clear images of the display module, and the working efficiency and the accuracy of crack detection are improved. When the bearing platform provided by the utility model is matched with the visual acquisition positioning device for use, the position of the light source piece is adjustable, the positioning of the FPC parts of the display modules with different structural sizes can be met, and the visual acquisition positioning device can more conveniently and rapidly take pictures and pick up positions of the FPC parts of the display modules with different structural sizes, which are born on the positioning platform, so that the position information of the FPC parts of the display modules on the positioning platform can be rapidly and accurately acquired, and the detection efficiency of the display modules is further improved.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention, and it will be obvious to those skilled in the art that other variations or modifications may be made on the basis of the above description, and all embodiments may not be exhaustive, and all obvious variations or modifications may be included within the scope of the present invention.
Claims (10)
1. The utility model provides a plummer for display module assembly detects which characterized in that, the plummer includes:
a placing platform for placing the display module; and
a positioning platform for bearing the FPC part on the display module;
the positioning platform is used for bearing the surface of the FPC part on the display module to form a bearing surface; the positioning platform comprises a plurality of air passages inside, and ports on one side of the air passages are exposed out of a bearing surface of the positioning platform to form a plurality of adsorption ports;
the bearing platform also comprises a light source piece positioned on one side of the positioning platform, which is far away from the bearing surface; the light source piece can move relative to the positioning platform in a direction close to or far away from the placing platform;
the placing platform comprises a bottom plate and a fixing mechanism positioned on the bottom plate;
the fixing mechanism includes:
a fixing assembly located on the base plate;
the fixing component comprises a vacuum adsorption piece for bearing and fixing the display module.
2. The carrier table of claim 1, wherein the base plate comprises two sets of fixing members arranged along a first direction;
each group of fixing assemblies comprises two vacuum adsorption pieces arranged along a second direction; the first direction is perpendicular to the second direction in the same horizontal plane.
3. The carrier table according to claim 2, wherein the vacuum absorption member comprises a suction cup portion and a rod portion connected with the suction cup portion and having a ventilation channel;
the sucker part is configured to be capable of reciprocating relative to the rod part along a third direction, and the third direction is perpendicular to the first direction and the second direction; the sucking disc parts of the two groups of fixing components form an adsorption fixing surface for bearing and fixing the display module.
4. The carrier table of claim 1, wherein the positioning platform is a transparent material.
5. The carrier table of claim 1, wherein the plurality of suction ports comprise portions spaced at different distances from the positioning mechanism.
6. The carrier table according to claim 3, wherein the bottom plate comprises two sets of brackets arranged along a first direction, and the brackets comprise strip-shaped grooves extending along a second direction;
the two groups of fixing components are respectively assembled on the strip-shaped grooves of the two groups of brackets; the vacuum adsorption piece can reciprocate along the extending direction of the strip-shaped groove.
7. The bearing table of claim 6, wherein the fixing assembly further comprises a connecting block, and the vacuum absorbing member is assembled on the strip-shaped groove through the connecting block;
the connecting block comprises a main body; and a connecting part extending outwards from the main body; the connecting part comprises a mounting hole corresponding to the strip-shaped groove;
the rod part of the vacuum adsorption part is fixedly combined with the main body; the main body comprises a vent hole communicated with the vent channel of the rod part of the vacuum adsorption part; the vent hole is provided with a connecting pipe.
8. The bearing table of claim 7, wherein the connecting block is formed with a notch, and the side surface of the notch is attached to the side surface of the bracket.
9. The platform of claim 7, wherein the rod is sleeved with a spring; the spring is abutted and fixed between the sucker part and the connecting block.
10. The carrier table of claim 1, wherein the carrier table comprises an alignment platform; the counterpoint platform includes:
a positioning table bottom plate;
the alignment table power device is arranged on the alignment table bottom plate; and
a movable plate controlled and driven by the power device of the alignment table;
the bearing table is fixedly combined on the movable plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293955.9U CN216349494U (en) | 2021-09-22 | 2021-09-22 | Bearing platform for display module detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122293955.9U CN216349494U (en) | 2021-09-22 | 2021-09-22 | Bearing platform for display module detection |
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| Publication Number | Publication Date |
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| CN216349494U true CN216349494U (en) | 2022-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122293955.9U Active CN216349494U (en) | 2021-09-22 | 2021-09-22 | Bearing platform for display module detection |
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| Country | Link |
|---|---|
| CN (1) | CN216349494U (en) |
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- 2021-09-22 CN CN202122293955.9U patent/CN216349494U/en active Active
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