CN215447786U

CN215447786U - 3D contour detector for rapid detection of mobile phone display screen

Info

Publication number: CN215447786U
Application number: CN202121124363.8U
Authority: CN
Inventors: 文云东; 黎正奎
Original assignee: Anhui Dijing Photoelectric Technology Co Ltd
Current assignee: Anhui Dijing Photoelectric Technology Co Ltd
Priority date: 2021-05-25
Filing date: 2021-05-25
Publication date: 2022-01-07
Anticipated expiration: 2031-05-25

Abstract

The utility model relates to the technical field of mobile phone display screen detection, and particularly discloses a 3D contour detector for rapidly detecting a mobile phone display screen; the mobile phone screen jig comprises a detector body, a control panel and a mobile phone screen jig, wherein the mobile phone screen jig comprises a loading seat, moving blocks and screen corner clamping blocks, the four moving blocks are arranged at four corners of the upper surface of the loading seat, a longitudinally arranged inner cavity is formed in the loading seat, a bidirectional lead screw is arranged in the inner cavity, strip-shaped openings are formed in the front end and the rear end of the loading seat, a lead screw sleeve is screwed at each of the front end and the rear end of the bidirectional lead screw, a convex block is connected onto the lead screw sleeve, and a movable rod is connected between the convex block and the moving block; the objective table is changed into the jig with the special design, the problems that the mobile phone display screen cannot be accurately positioned and clamped and prevented from slipping when the mobile phone display screen is placed on the objective table are effectively solved, the whole jig is novel in design, and the detection effect of the mobile phone display screen by matching with the 3D contour detector is better.

Description

3D contour detector for rapid detection of mobile phone display screen

Technical Field

The utility model relates to the technical field of mobile phone display screen detection, and particularly discloses a 3D contour detector for rapidly detecting a mobile phone display screen.

Background

The 3D contour detector is also called a three-dimensional contour detector, is an industrial-grade high-precision and high-stability three-dimensional scanner, and is widely used for high-precision detection in industries such as display screens and semiconductors. The mobile phone display screen needs to be detected in the production process for the size precision and the surface flatness of the mobile phone display screen. In some small enterprises, quality, appearance and contour of products are detected through manual operation, and the detection precision and efficiency are low, and the labor amount is large. Although the 3D contour detection instrument has high detection precision when detecting the mobile phone display screen, the mobile phone display screen to be detected cannot be accurately positioned when being placed on the objective table, so that the detection result of the mobile phone display screen is seriously influenced.

The utility model with the application number of 2018200645560 discloses a 3D contour measuring instrument, which comprises a frame, and a carrying device, an area array measuring device, a thickness spectrum measuring device and a control display device which are arranged on the frame, wherein the control display device is connected with the area array measuring device and the thickness spectrum measuring device; the rack comprises a case and an upright post fixed at the top of the case; a protective cover with an opening at the bottom is arranged on the upright post; the area array measuring device and the thickness spectrum measuring instrument are both positioned in the protective cover, the carrying device is arranged at the top of the case, and the carrying device comprises an XY-axis moving mechanism and a carrying platform connected with the XY-axis moving mechanism; the objective table is provided with a mounting hole, and optical glass is mounted in the mounting hole. The utility model discloses a 3D profile measuring apparatu examines time measuring to the cell-phone display screen and is directly put it on the objective table, can't carry out accurate location to the cell-phone display screen, because cell-phone display screen surface is smooth moreover, puts the in-process that the cell-phone display screen removed along the XY axle on the objective table probably because frictional force is not enough, and leads to the cell-phone display screen to slide from the objective table. Therefore, aiming at the defects of the existing 3D contour measuring instrument in the process of rapidly detecting the mobile phone display screen, the 3D contour detecting instrument which can accurately position the mobile phone display screen to be detected and can clamp and fix the mobile phone display screen is designed to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to design a 3D contour detector which can accurately position a mobile phone display screen to be detected and clamp and fix the mobile phone display screen to be detected aiming at the defects of the existing 3D contour measuring instrument in the process of quickly detecting the mobile phone display screen.

The utility model is realized by the following technical scheme:

A3D contour detector for rapidly detecting a mobile phone display screen comprises a detector body, a control panel and a mobile phone screen jig, wherein the mobile phone screen jig comprises a loading seat, four moving blocks and screen corner clamping blocks arranged on the upper surface of each moving block, the four moving blocks are arranged at four corners of the upper surface of the loading seat in a rectangular array manner, the moving blocks are transversely arranged on the loading seat in a sliding manner, screen corner clamping grooves are formed in the upper surface of each screen corner clamping block, a longitudinally arranged inner cavity is formed in the middle of the interior of the loading seat, a bidirectional screw is arranged in the inner cavity, the outer end of the bidirectional screw is connected with a servo motor, strip-shaped ports communicated with the inner cavity are formed in the front end and the rear end of the loading seat above the bidirectional screw, screw sleeves are screwed at the front end and the rear end of the bidirectional screw, and convex blocks extending out of the strip-shaped ports are connected on the screw sleeves, and movable rods are rotatably connected between the two side surfaces of the convex blocks and the two corresponding movable blocks.

As a further arrangement of the scheme, an inner groove is formed in the transverse groove wall of the screen corner clamping groove, a pressure sensor is arranged on the groove wall of the inner groove, a spring is connected to the pressure sensor, and a side clamping strip extending out of the inner groove is connected to the outer end of the spring; through the electric connection of the pressure sensor and the control module arranged in the control panel, when the screen corner clamping block clamps the display screen of the mobile phone, the control panel can immediately control the servo motor to rotate when the clamping force exceeds the preset value, and therefore the best clamping state is achieved.

As a further arrangement of the above scheme, the upper end of the longitudinal groove wall of the screen corner clamping groove is provided with an inclined lead-in inclined surface; the arrangement of the leading-in inclined plane can facilitate the front end and the rear end of the mobile phone display screen to be placed in the screen corner clamping grooves on the screen corner clamping blocks.

As a further arrangement of the above scheme, at least two sets of longitudinally arranged connecting screw holes are formed in the moving block, and connecting screws matched with the connecting screw holes are screwed on the moving block; through the connection screw hole and the connection screw that vertically set up, the accessible is connected the connection spiro union of connection screw and different positions department when carrying out the centre gripping to the cell-phone display screen of equidimension not can.

As a further arrangement of the above scheme, the lower surface of the moving block is connected with a sliding block, and a loading seat located below the moving block is provided with a transverse sliding groove matched with the sliding block; the arrangement of the sliding block and the transverse sliding groove can ensure that the moving block is more stable when sliding on the loading seat.

The utility model has the following beneficial effects:

1) the utility model is based on the existing 3D contour detector, the existing objective table is changed into a tool suitable for a mobile phone display screen, the tool drives two screw rod sleeves to approach each other through a bidirectional screw rod arranged in the tool, then a screen angle clamping block can approach to quickly clamp and position the mobile phone display screen to be detected under the action of a movable rod, and then the mobile phone display screen is sent to the lower part of a detection probe to be scanned and detected through a moving device on an XY shaft of the 3D contour detector.

2) In the utility model, the clamping process of the mobile phone display screen can be automatically controlled through the arranged side clamping strips, the springs and the pressure sensors, so that the mobile phone display screen is prevented from being damaged due to overlarge clamping force; in addition, the position of the screen corner clamping block can be adjusted through the connection mode of the screw holes, so that the mobile phone corner clamping block can be suitable for mobile phone display screens of different sizes, and the mobile phone corner clamping block is wide in application range and high in practicability.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a jig body according to the present invention;

FIG. 3 is a perspective assembly view of a moving block and a screen corner clamping block in the present invention;

FIG. 4 is a schematic view of the internal plane structure of the moving block and the screen corner clamping block of the present invention;

fig. 5 is a schematic perspective view of a servo motor, a bidirectional screw rod, a screw rod sleeve and the like in the utility model.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the utility model and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail with reference to the accompanying drawings 1-5, in conjunction with the embodiments.

The utility model discloses a 3D contour detector capable of rapidly detecting a mobile phone display screen, which is based on the existing 3D contour detector and redesigns an objective table on the existing 3D contour detector into a jig capable of rapidly and accurately clamping the mobile phone display screen.

Referring to fig. 1, the whole 3D contour detector mainly includes a base 1 of the detector, a control panel 2 is disposed on a front side of the base 1, and a related control module is disposed inside the control panel 2. A machine frame 3 is arranged at the rear end of the upper surface of the base 1, and a probe assembly 4 facing the upper surface of the base 1 is arranged at the top end of the machine frame 3. An upper-layer X-axis moving mechanism and a lower-layer Y-axis moving mechanism are arranged on the upper surface of the base 1 right below the probe assembly 4, the X-axis moving mechanism and the Y-axis moving mechanism are both in the prior art, and detailed description is not provided herein.

Be provided with the tool body 5 that carries out the centre gripping to the cell-phone display screen on X axial moving mechanism, specific tool body 5 can refer to figure 2, figure 3, figure 4 and figure 5, include the rectangle loading seat 501 that removes along the X axle, all offer along X axial bar spout 502 in four corners of rectangle loading seat 501 upper surface, all be provided with movable block 503 in the top of every bar spout 502, be provided with the slider 504 with bar spout 502 matched with at the lower surface of movable block 503. The upper surface of each sliding block 504 is provided with a screen angle clamping block 505, at least two sets of connecting screw holes 506 arranged along the Y-axis direction are arranged on each moving block 503, the sliding block 504 is screwed with connecting screws 507 matched with the corresponding connecting screw holes 506, the screen angle clamping blocks 505 are fixedly arranged on the moving blocks 503 through the action of the connecting screws 507 and the connecting screw holes 506, and meanwhile, the connecting screws 507 are connected with different connecting screw holes 506 in the Y-axis direction, so that mobile phone display screens with different widths can be clamped.

The upper surface of the screen angle clamping block 505 is provided with a screen angle clamping groove 508 which is a right angle, meanwhile, the X-axis groove surface of the screen angle clamping groove 508 is provided with an inner groove 509, the groove wall of the inner groove 509 is provided with a pressure sensor 510, and the pressure sensor 510 is connected with a control module in the control panel 2 through a wire. A plurality of springs 511 are connected to the pressure sensor 510, and side gibs 512 extending out of the inner grooves 509 are connected to outer ends of the plurality of springs 511. In addition, in order to facilitate the placement of the mobile phone display screen, an inclined surface 5081 convenient for guiding is further arranged at the upper end of the Y-axis groove surface of the screen corner clamping groove 508.

The inner chamber that sets up along the Y axle is seted up in the center department of rectangle load seat 501, be provided with two-way lead screw 513 in the inner chamber, both ends seted up in front of the upper surface of rectangle load seat 501 and the bar mouth 514 that just is parallel with the inner chamber intercommunication simultaneously, be located the inner chamber of every bar mouth 514 below and be provided with the lead screw cover 515 with this section thread groove matched with of two-way lead screw 513, and there is the lug 516 who stretches out bar mouth 514 at the last surface connection of lead screw cover 515, the both sides face that stretches out the bar mouth at lug 516 all rotates and is connected with movable rod 517, and rotate the free end and the movable block 503 of movable rod 517 and be connected. Finally, a servo motor 518 connected to the bidirectional screw 513 is provided on the front side surface of the rectangular loading base 501, and the servo motor 518 is wire-connected to the control module in the control panel 2.

When the 3D contour detector for rapid detection of the mobile phone display screen disclosed by the utility model is used for carrying out surface detection on the mobile phone display screen, an operator places the mobile phone display screen among the four screen corner clamping blocks 505, and places the four corners of the mobile phone display screen in the screen corner clamping grooves 508 on the screen corner clamping blocks 505.

Then, the servo motor 518 is started to rotate through the control panel 2, the two screw sleeves 515 are enabled to move close to each other through the action between the bidirectional screw 513 and the screw sleeves 515, then the moving block 503 is enabled to move close to each other along the strip-shaped sliding groove 502 through the action of the moving rod 517, when the moving block 503 moves to the side edge of the mobile phone display screen and is abutted against the side edge clamping strip 512, the spring 511 is compressed at the moment, the pressure sensor 510 transmits detection to the control module, when the pressure value exceeds the preset value, the mobile phone display screen is clamped, at the moment, the control module sends a control instruction to enable the servo motor 513 to stop rotating, and the accurate positioning and clamping process of the whole mobile phone display screen is completed.

And then, the clamped mobile phone display screen is moved to the position right below the probe assembly 4 by the Y-axis moving mechanism, and then the mobile phone display screen is moved along the X-axis direction by the X-axis moving mechanism, so that the scanning detection process of the whole mobile phone display screen is completed.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A3D contour detection instrument for rapidly detecting a mobile phone display screen comprises a detection instrument body, a control panel and a mobile phone screen jig, and is characterized in that the mobile phone screen jig comprises a loading seat, four moving blocks and screen corner clamping blocks arranged on the upper surface of each moving block, the four moving blocks are arranged at four corners of the upper surface of the loading seat in a rectangular array manner, the moving blocks are transversely arranged on the loading seat in a sliding manner, screen corner clamping grooves are formed in the upper surface of each screen corner clamping block, a longitudinally arranged inner cavity is formed in the middle of the interior of the loading seat, a bidirectional lead screw is arranged in the inner cavity, the outer end of the bidirectional lead screw is connected with a servo motor, strip-shaped ports communicated with the inner cavity are formed in the front end and the rear end of the loading seat above the bidirectional lead screw, lead screw sleeves are screwed at the front end and the rear end of the bidirectional lead screw, and convex blocks extending out of the strip-shaped ports are connected on the lead screw sleeves, and movable rods are rotatably connected between the two side surfaces of the convex blocks and the two corresponding movable blocks.

2. The 3D contour detection instrument for rapid detection of the mobile phone display screen according to claim 1, wherein an inner groove is formed in a transverse groove wall of the screen corner clamping groove, a pressure sensor is arranged on a groove wall of the inner groove, a spring is connected to the pressure sensor, and a side clamping strip extending out of the inner groove is connected to the outer end of the spring.

3. The 3D contour detection instrument for rapidly detecting the mobile phone display screen according to claim 2, wherein an inclined lead-in inclined surface is formed at the upper end of the longitudinal groove wall of the screen corner clamping groove.

4. The 3D contour detection instrument for the rapid detection of the mobile phone display screen according to claim 1, wherein at least two sets of longitudinally arranged connection screw holes are formed in the moving block, and connection screws matched with the connection screw holes are screwed on the moving block.

5. The 3D contour detection instrument for the rapid detection of the mobile phone display screen according to claim 1, wherein a sliding block is connected to the lower surface of the moving block, and a transverse sliding groove matched with the sliding block is formed in a loading seat located below the moving block.