CN218823966U

CN218823966U - Cell-phone center visual detection device

Info

Publication number: CN218823966U
Application number: CN202222904846.0U
Authority: CN
Inventors: 王建宇; 张笔圣; 谭宇鹏; 陆帆; 管善意; 陆豪亮
Original assignee: Shenzhen Fulian Lingyunguang Technology Co ltd
Current assignee: Shenzhen Fulian Lingyunguang Technology Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-07
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a cell-phone center visual detection device relates to cell-phone center processing technology field. Cell-phone center visual detection device is including detecting the module, detects the module and includes visual detection subassembly and light source subassembly. In the light source component, a first strip-shaped light source group and a second strip-shaped light source group are sequentially arranged between the visual detection component and the annular light source group along a first direction, and the first strip-shaped light source group and the second strip-shaped light source group are vertically arranged; the annular light source group comprises at least two annular light sources arranged at intervals along a first direction, and each annular light source is connected with each position adjusting mechanism in a one-to-one correspondence mode so as to adjust the position of each annular light source and the distance between any two annular light sources along the first direction through the position adjusting mechanisms. During the use, but the structure that awaits measuring complanate on the picture, when carrying out the size check, directly to the picture carry out the analysis can, need not like among the prior art artifical with the help of the manual measurement material object of instrument, can improve detection efficiency, accuracy and uniformity.

Description

Cell-phone center visual detection device

Technical Field

The utility model relates to a cell-phone center processing technology field, in particular to cell-phone center visual detection device.

Background

The mobile phone middle frame is provided with structures such as IO holes and the like which need to be frequently used, and quality control of the mobile phone middle frame is an especially important link in the whole mobile phone quality control.

At present, in the quality control process of the middle frame of the mobile phone, the steps of detecting structures such as an IO hole and the like are included, and measurement is mainly performed manually by means of measuring tools such as a plug gauge. The accuracy of measuring tool directly influences the accuracy of measuring result, and simultaneously, used repeatedly measuring tool is difficult to avoid can having damage and dirty, can lead to measuring result to have the error equally. In addition, the manual detection has subjectivity, the precision cannot be guaranteed, and the standards of different operators at different times are different, so that the test consistency is poor. In the repeated and mechanized testing process of assembly line, fatigue appears in the manual work detection unavoidably to lead to detection efficiency to reduce, the reliability is poor.

Therefore, how to improve the detection efficiency, accuracy and consistency of the middle frame of the mobile phone is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a visual inspection device for a middle frame of a mobile phone, which can improve the detection efficiency, accuracy and consistency of the middle frame of the mobile phone.

In order to achieve the above object, the utility model provides a following technical scheme:

a visual detection device for a middle frame of a mobile phone comprises a detection module, a detection module and a control module, wherein the detection module comprises a visual detection assembly and a light source assembly; a shooting passage extending along a first direction is formed on one side of the visual detection assembly; the light source assembly is arranged on one side of the visual detection assembly and comprises a position adjusting mechanism, an annular light source group, a first strip-shaped light source group and a second strip-shaped light source group; the first strip-shaped light source group and the second strip-shaped light source group are sequentially arranged between the visual detection assembly and the annular light source group along the first direction, and the first strip-shaped light source group and the second strip-shaped light source group are vertically arranged; the annular light source group comprises at least two annular light sources arranged at intervals along the first direction, the number of the position adjusting mechanisms is at least two, and the annular light sources are correspondingly connected with the position adjusting mechanisms one by one, so that the position of each annular light source and the distance between any two annular light sources are adjusted along the first direction through the position adjusting mechanisms.

Preferably, the included angle between the light ray of each annular light source and the first direction is different in size.

Preferably, the first strip-shaped light source group includes two first strip-shaped light sources sequentially arranged along a second direction, a first gap for the shooting path to pass through is reserved between the two first strip-shaped light sources, and the second direction is perpendicular to the first direction.

Preferably, in the first direction, the second stripe-shaped light source group is disposed between the first stripe-shaped light source group and the annular light source group; the second strip light source group comprises two second strip light sources which are sequentially arranged along a third direction, a second gap for the shooting channel to pass through is reserved between the two second strip light sources, and the third direction is perpendicular to the first direction and the second direction respectively.

Preferably, the light source module further comprises a first mounting frame, the first mounting frame comprises a plurality of first guide rods arranged parallel to the second direction and a plurality of first connecting plates arranged parallel to the third direction, each of the first connecting plates is sequentially arranged along the second direction and connected to the first guide rods, and each of the first connecting plates is connected with each of the first strip-shaped light sources in the first strip-shaped light source group in a one-to-one correspondence manner.

Preferably, the device further comprises a second mounting frame, and the first mounting frame and the second mounting frame are sequentially arranged along the first direction; the second mounting frame comprises a plurality of second guide rods arranged in parallel to the third direction and a plurality of second connecting plates arranged in parallel to the second direction, the second connecting plates are sequentially arranged along the third direction and connected to the second guide rods, and the second connecting plates are correspondingly connected with the second strip-shaped light sources in the second strip-shaped light source group one by one.

Preferably, the visual inspection assembly includes a lens and a camera sequentially arranged along the first direction, the lens is connected to the camera, and the shooting path and the camera are respectively arranged at two sides of the lens.

Preferably, the number of the detection modules is two, the visual detection assemblies of the two detection modules are arranged in parallel along the second direction, and the extending directions of the shooting passages of the two visual detection assemblies are opposite.

Preferably, the position adjusting mechanism includes bracket and electronic slip table, electronic slip table is located the light source subassembly below, just the output fixed connection of electronic slip table the bracket, annular light source's bottom is fixed in correspondingly on the bracket, electronic slip table is used for passing through the bracket drives correspondingly annular light source follows the first direction removes.

Preferably, still including locating the guide rail plate of light source subassembly below, electronic slip table connect in the upside or the downside of guide rail plate.

The utility model provides a cell-phone center visual detection device, including detecting the module, detect the module and include visual detection subassembly and light source subassembly. One side of the visual inspection assembly forms a shooting passage extending along a first direction. The light source assembly is arranged on one side of the visual detection assembly and comprises a position adjusting mechanism, an annular light source group, a first strip-shaped light source group and a second strip-shaped light source group. First bar light source group and second bar light source group arrange in proper order along the first direction between visual detection subassembly and annular light source group, and first bar light source group and second bar light source group set up mutually perpendicularly. The annular light source group comprises at least two annular light sources arranged at intervals along a first direction, the number of the position adjusting mechanisms is at least two, and each annular light source is connected with each position adjusting mechanism in a one-to-one correspondence mode so as to adjust the position of each annular light source and the distance between any two annular light sources along the first direction through the position adjusting mechanisms.

This cell-phone center visual detection device is when using, the structure that awaits measuring that needs to detect on making the cell-phone center is located visual detection subassembly's shooting passageway, through annular light source group, the light source that bar light source group provided, can shine the structure that awaits measuring comprehensively, it shoots to borrow visual detection subassembly again, make the structure that awaits measuring can the planarization form images on the picture, when carrying out the size check-up, directly with the help of computer technology carry out the picture analysis can, need not like the manual real object of measuring with the help of the instrument of the manual work among the prior art, detection efficiency and accuracy can be improved, eliminate artificial influence, improve and detect the uniformity.

Drawings

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

Fig. 1 is a front view of a detection module according to a first embodiment of the device for visually detecting a middle frame of a mobile phone of the present invention;

fig. 2 is a side view of a detection module according to a first embodiment of the device for visually detecting a middle frame of a mobile phone provided by the present invention;

fig. 3 is a first orientation structure diagram of a detection module according to a first embodiment of the device for visually detecting a middle frame of a mobile phone of the present invention;

fig. 4 is a second orientation structure diagram of the detection module according to the first embodiment of the device for visually detecting a middle frame of a mobile phone of the present invention;

fig. 5 is an assembly view of a detection module and a support seat of a first embodiment of the device for visually detecting a middle frame of a mobile phone according to the present invention;

FIG. 6 is an exploded view of FIG. 5;

fig. 7 is a structural diagram of a first embodiment of a visual inspection device for a middle frame of a mobile phone according to the present invention;

fig. 8 is a schematic view of a ring light source set in the detection of the IO hole according to a specific embodiment of the device for visually inspecting a middle frame of a mobile phone.

Reference numerals are as follows:

a detection module 1;

the visual inspection assembly 11, the camera 111, the lens 112, the shooting path 113;

the light source module 12, a first bar-shaped light source group 121, a first bar-shaped light source 1211, a first gap 1212, a second bar-shaped light source group 122, a second bar-shaped light source 1221, a second gap 1222, a ring-shaped light source group 123, a first ring-shaped light source 1231, a second ring-shaped light source 1232;

a position adjusting mechanism 124, an electric sliding table 1241, a first electric sliding table 12411, a second electric sliding table 12412, a bracket 1242, a first bracket 12421 and a second bracket 12422;

the first mounting frame 13, the first guide rod 131, the first connecting plate 132 and the first hoop 133;

the second mounting frame 14, the second guide rod 141, the second connecting plate 142 and the second hoop 143;

the support frame comprises a support base 2, a guide rail plate 21, a middle frame 22, a vertical column 221, a cross bar 222, a connecting cross beam 223 and a mounting frame hoop 224;

the mobile phone middle frame 3, the IO hole 31, the outer plastic chamfer 311, the metal chamfer 312 and the hole bottom 313;

a first direction X, a second direction Y, a third direction Z.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The core of the utility model is to provide a cell-phone center visual detection device can improve detection efficiency, accuracy and the uniformity to the cell-phone center.

The utility model provides a cell-phone center visual detection device's concrete embodiment one, please refer to fig. 1 and fig. 2, including detecting module 1. The inspection module 1 includes a visual inspection unit 11 and a light source unit 12.

As shown in fig. 1, a shooting path 113 extending along a first direction is formed on one side of the visual inspection assembly 11, and in an operating state, a portion to be shot on the middle frame 3 of the mobile phone is located on the shooting path 113, so that the visual inspection assembly 11 can shoot images.

The light source assembly 12 is disposed at one side of the visual inspection assembly 11. Here, the light source module 12 includes a position adjusting mechanism 124, an annular light source group 123, a first stripe-shaped light source group 121, and a second stripe-shaped light source group 122. The color of light emitted from the annular light source group 123, the first stripe light source group 121, and the second stripe light source group 122 may be set as desired, for example, white light may be emitted.

As shown in fig. 1, the first stripe light source group 121 and the second stripe light source group 122 are sequentially arranged between the visual inspection assembly 11 and the annular light source group 123 along the first direction X. The first and second stripe-shaped

light source groups

121 and 122 are vertically arranged.

In the present embodiment, when the orientation of each structure or component or the orientation relationship between structures or components is defined, the specific definition is the longitudinal direction of the structure or component or the orientation relationship between the longitudinal directions, unless otherwise specified. Taking the stripe-shaped light source group as an example, the two stripe-shaped light source groups are perpendicular to each other, specifically, the length directions of the two stripe-shaped light source groups are perpendicular to each other. The strip-shaped light source group is generally composed of at least one strip-shaped light source, the dimension of one direction of the strip-shaped light source is larger than the dimension of the other direction, the direction of the maximum dimension is the length direction of the strip-shaped light source, and the length directions of the strip-shaped light sources in the strip-shaped light source group are the same and are taken as the length direction of the strip-shaped light source group. Referring to fig. 1 and 2, in the present embodiment, the length direction of the first stripe-shaped light source group 121 is the third direction, and the length direction of the second stripe-shaped light source group 122 is the second direction. In this embodiment, the first direction, the second direction, and the third direction are three directions perpendicular to each other in space. For example, the first direction may be an X direction, the second direction may be a Y direction, and the third direction may be a Z direction.

As shown in fig. 1, the annular light source group 123 includes at least two annular light sources spaced apart along the first direction X, and the position adjustment mechanisms 124 are at least two. As shown in FIG. 6, each ring light source is connected to each position adjustment mechanism 124 in a one-to-one correspondence, so that the position of each ring light source and the spacing between any two ring light sources are adjusted along the first direction X by the position adjustment mechanisms 124. In this embodiment, as shown in fig. 1, the annular light source group 123 includes two annular light sources, namely a first annular light source 1231 and a second annular light source 1232, and in other embodiments, three or more annular light sources may be disposed in the annular light source group 123.

The cell-phone center visual detection device in this embodiment, when using, the structure that awaits measuring that needs to detect on messenger's cell-phone center 3 is located visual detection subassembly 11's shooting route 113, through annular light source group 123, the light source that first bar light source group 121 and second bar light source group 122 provided, can shine the structure that awaits measuring comprehensively, it shoots to borrow visual detection subassembly 11 again, make the structure that awaits measuring can the planarization formation of image on the picture, when carrying out the size check-up, directly with the help of computer technology to the picture carry out the analysis can, need not like artifical with the help of instrument manual measurement among the prior art, can improve detection efficiency and accuracy, eliminate artificial influence, improve and detect the uniformity.

Furthermore, the included angle between the light of each annular light source and the first direction X is different in size, so that different annular light sources can adaptively irradiate structures with different angles on the middle frame 3 of the mobile phone. Specifically, as shown in fig. 8, the light of the first annular light source 1231 is emitted toward the direction away from the visual inspection assembly 11 and toward the axial direction of the first annular light source 1231, and the included angle of the light with respect to the first direction X is an acute angle a, the included angle of the light emitted by the second annular light source 1232 with respect to the first direction X is 90 °, and the light emitted by the second annular light source 1232 is emitted toward the axial direction thereof.

Fig. 8 is a schematic diagram of the annular light source set 123 when the mobile phone middle frame visual inspection device is applied to the IO hole 31 of the mobile phone middle frame 3. The IO hole 31 has a 3D chamfer, and is sequentially a metal chamfer 312 and an outer plastic chamfer 311 with different angles and different colors along the radial direction. When using, make the IO hole 31 of cell-phone center 3 be in on shooting passageway 113, adjust the position of first annular illuminant 1231 and second annular illuminant 1232 respectively along first direction X through each position control mechanism 124 for metal chamfer 312 can be shone to the light of first annular illuminant 1231, outer plastic chamfer 311 can be shone to the light of second annular illuminant 1232, thereby shine IO hole 31's chamfer structure comprehensively, guarantee the imaging effect of IO hole 31 chamfer structure.

More specifically, the included angle a of the light of the first annular light source 1231 with respect to the first direction X may be set to 40 ° to ensure that the metal chamfer 312 inclined at 45 ° with respect to the first direction X can be irradiated. Certainly, in other embodiments, the included angle between the light of the first annular light source 1231 and the light of the second annular light source 1232 and the first direction X may also be set to other angles according to the different structures to be measured; alternatively, the included angles between the light of the first annular light source 1231 and the light of the second annular light source 1232 and the first direction X may be the same.

Further, as shown in fig. 3 and 4, the first stripe light source group 121 includes two first stripe light sources 1211 disposed in sequence in the second direction Y. The length direction of the first strip-shaped light sources 1211 is parallel to the third direction Z, and a first gap 1212 for the shooting path 113 to pass through is reserved between the two first strip-shaped light sources 1211, so that the first strip-shaped light sources 1211 can provide light to the structure to be detected from two sides of the shooting path 113 on the premise of not influencing the shooting of the visual detection assembly 11. Of course, in other embodiments, the number of the first strip light sources 1211 in the first strip light source group 121 may be set in other manners.

Further, as shown in fig. 1 and fig. 4, the second strip light source group 122 includes two second strip light sources 1221 sequentially arranged along the third direction Z, a length direction of the second strip light sources 1221 is parallel to the second direction Y, and a second gap 1222 for the shooting path 113 to pass through is reserved between the two second strip light sources 1221, so that the second strip light sources 1221 can provide illumination to the structure to be measured from two sides of the shooting path 113 on the premise of not affecting the shooting by the visual detection assembly 11.

Preferably, as shown in fig. 1, in comparison with the embodiment that the first and second

stripe light sources

1211 and 1221 are arranged in parallel on the plane perpendicular to the first direction X, the second stripe light source group 122 is arranged between the first stripe light source group 121 and the annular light source group 123 in the first direction X, and the first and second stripe

light source groups

121 and 122 are assembled in different regions in the first direction X, so that the possibility of interference when the first and second

stripe light sources

1211 and 1221 are assembled can be reduced, and the degree of freedom in the arrangement of the distance between the first and second

stripe light sources

1211 and 1221 and the center of the photographing path 113 is greater.

In addition, because the first strip light source group 121 is perpendicular to the second strip light source group 122, the first strip light source group and the second strip light source group can be matched with each other to provide illumination for the structure to be measured from different angles. In the application shown in fig. 8, the first stripe light source group 121 and the second stripe light source group 122 can be matched to perform full illumination from the length and width directions of the bottom 313 of the IO hole 31.

Further, as shown in fig. 7, the device for visually inspecting the middle frame of a mobile phone further includes a supporting base 2 for supporting the inspection module 1 through the supporting base 2. As shown in fig. 5 to 7, when the detection module 1 is applied, the first direction X and the second direction Y are two directions on a horizontal plane, and the third direction Z is an up-down direction, so that the whole equipment is substantially in a horizontal state, and each component in the detection module can be installed at substantially the same height, thereby facilitating the assembly and disassembly of each component.

As shown in fig. 7, the detection modules 1 are provided with two detection modules 1, wherein the shooting directions of the visual detection assemblies 11 of the two detection modules 1 are opposite, the visual detection assemblies 11 of the two detection modules 1 are arranged in parallel and generally aligned in the second direction Y, and the extending directions of the shooting passages 113 of the two visual detection assemblies 11 are opposite, that is, one of the shooting passages 113 extends from the visual detection assembly 11 in which it is located along the positive direction in the first direction X, and the other shooting passage 113 extends from the visual detection assembly 11 in which it is located along the negative direction in the first direction X. The two visual inspection modules 11 are sandwiched between the light source modules 12 of the two inspection modules 1, and the space above the support base 2 can be fully utilized. Of course, in other embodiments, only one or other numbers of the detection modules 1 may be provided according to actual needs.

Further, as shown in fig. 6 and 7, the visual inspection device for the middle frame of the mobile phone further includes a first mounting bracket 13 for mounting the first bar-shaped light source 1211. Specifically, the first mounting bracket 13 is fixed to the support base 2.

The first mounting frame 13 includes a plurality of first guide rods 131 parallel to the second direction Y and a plurality of first connection plates 132 parallel to the third direction Z, each first connection plate 132 is sequentially arranged along the second direction Y and connected to the first guide rods 131, and each first connection plate 132 is connected to each first strip light source 1211 in the first strip light source group 121 in a one-to-one correspondence manner. As shown in fig. 7, two first bar-shaped light sources 1211 are respectively connected to the two first connection plates 132, and optionally, two first guide rods 131 are respectively connected to both ends of the first connection plates 132 in the third direction Z to ensure the stability of the installation of the first connection plates 132.

Preferably, as shown in fig. 7, the first connecting plate 132 is fixedly connected to the first guide rod 131 by clasping with the first hoop 133, and the clasping position of the first hoop 133 on the first guide rod 131 is adjustable, specifically, the first hoop 133 is fixed by a bolt after clasping with the first guide rod 131. The first anchor ear 133 is used to connect the first connecting plate 132 to the first guide bar 131, so that the connection is reliable, and the installation position of the first connecting plate 132 on the first guide bar 131 can be adjusted conveniently, so as to adjust the distance between the two first bar-shaped light sources 1211. Of course, in other embodiments, the first connection plate 132 may also be welded to the first guide bar 131.

In this embodiment, the first connecting plate 132 can be directly connected to the first guiding rod 131 during assembly, without processing a connecting structure on the first strip-shaped light source 1211 to directly connect to the first guiding rod 131, thereby preventing damage to the first strip-shaped light source 1211. Meanwhile, the first guide rod 131 may guide the first strip light source 1211 in the second direction Y, so that the first strip light source 1211 may select its installation position in the second direction Y as desired.

Further, as shown in fig. 6, the visual inspection device for middle frame of mobile phone further comprises a second mounting frame 14 for mounting a second bar-shaped light source group 122.

The second mounting frame 14 includes a plurality of second guide rods 141 arranged parallel to the third direction Z and a plurality of second connection plates 142 arranged parallel to the second direction Y, each of the second connection plates 142 is sequentially arranged along the third direction Z and connected to the second guide rods 141, and each of the second connection plates 142 is connected to each of the second strip-shaped light sources 1221 in the second strip-shaped light source group 122 in a one-to-one correspondence manner. As shown in fig. 6, two second strip-shaped light sources 1221 are respectively connected to the two second connection plates 142, and optionally, two second guide rods 141 are respectively connected to two ends of the second connection plates 142 in the second direction Y to ensure the stability of the installation of the second connection plates 142.

Preferably, the second connecting plate 142 is fixedly connected to the second guide rod 141 by being held tightly by the second anchor ear 143, and the holding position of the second anchor ear 143 on the second guide rod 141 is adjustable, specifically, the second anchor ear 143 is fixed by a bolt after holding tightly the second guide rod 141. The second anchor ear 143 is used to connect the second connecting plate 142 to the second guiding rod 141, so that the connection is reliable, and the installation position of the second connecting plate 142 on the second guiding rod 141 can be adjusted conveniently, so as to adjust the distance between the two second strip-shaped light sources 1221. Of course, in other embodiments, the second connecting plate 142 may also be welded to the second guide bar 141.

In this embodiment, during assembly, the second connecting plate 142 may be directly connected to the second guiding rod 141, and the second bar-shaped light source 1221 is not required to be processed to have a connecting structure so as to be directly connected to the second guiding rod 141, thereby avoiding damage to the second bar-shaped light source 1221. Meanwhile, the second guide rod 141 may guide the second bar-shaped light source 1221 in the third direction Z, so that the second bar-shaped light source 1221 may be installed at a position in the third direction Z as desired.

In addition, as shown in fig. 6 and 7, the first and second mounting

brackets

13 and 14 are sequentially disposed in the first direction X to accommodate the positional relationship of the first and second strip shaped

light source groups

121 and 122 in the first direction X.

Preferably, as shown in fig. 5, the mobile phone middle frame visual inspection device further includes a middle frame 22, and the first mounting frame 13 and the second mounting frame 14 are both connected to the middle frame 22, so that the first mounting frame 13 and the second mounting frame 14 form an integrated mounting structure of the bar-shaped light source, and uniform assembly of the bar-shaped light source on the support base 2 is facilitated.

Specifically, as shown in fig. 5 and 6, the intermediate frame 22 includes a pillar 221, a crossbar 222, and a connecting beam 223. Wherein, the upright column 221 is parallel to the third direction Z, the first mounting bracket 13 is fixed on the upright column 221, specifically, in the second direction Y, the two upright columns 221 are respectively fixed on two sides of the supporting seat 2, the first mounting bracket 13 is disposed between the two upright columns 221, and the two upright columns 221 are fixed into a whole by the connecting beam 223 parallel to the second direction Y. Wherein, the middle frame 22 can be fixedly connected to the support base 2 through the upright column 221 and/or the connecting beam 223.

In addition, the cross bar 222 is parallel to the first direction X, and may be specifically fixed to the upright 221 by inserting, and the second mounting bracket 14 is fixed to the cross bar 222, preferably, the position of the second mounting bracket 14 on the cross bar 222 along the first direction X is adjustable, so as to adjust the distance between the first mounting bracket 13 and the first strip-shaped light source group 121 thereon, the second mounting bracket 14 and the second strip-shaped light source group 122 thereon in the first direction X. Specifically, the second mounting frame 14 is fixed to the cross bar 222 through the mounting frame anchor 224, and the fixing position of the second mounting frame 14 on the cross bar 222 can be changed by adjusting the holding position of the mounting frame anchor 224 on the cross bar 222.

Further, as shown in fig. 1, the visual inspection assembly 11 includes a lens 112 and a camera 111 sequentially arranged along the first direction X, the camera 111 is preferably a color industrial camera capable of distinguishing colors, and is measured in a structure compatible with multiple colors, and the lens 112 is a telecentric lens, which has a good precision. The lens 112 is connected to the camera 111, and the photographing passage 113 and the camera 111 are respectively disposed at two sides of the lens 112, and at this time, the components in the visual inspection assembly 11 and the light source assembly 12 are linearly arranged along the first direction X, so that the structure is simple and the assembly is convenient. In other embodiments, the components of the visual inspection assembly 11 may be arranged along the second direction Y or other directions.

Further, as shown in fig. 5 to 7, the position adjusting mechanism 124 includes a bracket 1242 and an electric sliding table 1241, and an output end of the electric sliding table 1241 is fixedly connected to the bracket 1242, so that the transmission precision is high. Of course, in other embodiments, the position adjusting mechanism 124 may be configured otherwise, for example, the position adjusting mechanism 124 may be configured as a hydraulic cylinder or a driving system formed by a rotating motor and a lead screw nut assembly.

The axis of the annular light source is parallel to the horizontal plane, the bottom of the annular light source is fixed above the bracket 1242, and the electric sliding table 1241 is arranged below the light source assembly 12, so that the electric sliding table 1241 is prevented from occupying the shooting range of the visual inspection assembly 11. In addition, the top of the bracket 1242 is preferably provided in a circular arc shape to adaptively connect the ring light source.

Further, referring to fig. 5 to 7, the mobile phone middle frame visual inspection device further includes a guide rail plate 21 disposed below the light source assembly 12, the guide rail plate 21 is fixedly connected to the support base 2, the guide rail plate 21 is used for installing the position adjusting mechanism 124, and specifically, the two electric sliding tables 1241 are respectively connected to the upper side and the lower side of the guide rail plate 21.

As shown in fig. 5 and fig. 6, in the position adjusting mechanism 124 for driving the first ring light source 1231, the electric sliding table 1241 is a first electric sliding table 12411, the bracket 1242 is a first bracket 12421, and the first electric sliding table 12411 drives the first ring light source 1231 to move along the first direction X through the first bracket 12421; in the position adjusting mechanism 124 for driving the second annular light source 1232, the electric sliding table 1241 is a second electric sliding table 12412, the bracket 1242 is a second bracket 12422, and the second electric sliding table 12412 drives the second annular light source 1232 to move along the first direction X through the second bracket 12422. The first electric sliding table 12411 is disposed above the guide rail plate 21, and the second electric sliding table 12412 is disposed below the guide rail plate 21.

Accordingly, as shown in fig. 7, a first annular light source 1231 and a second annular light source 1232 are provided above the rail plate 21. The first bracket 12421 is disposed directly above the rail plate 21 to support the first ring light source 1231. The second bracket 12422 is configured to be a frame-shaped structure, the rail plate 21 passes through a middle through hole of the second bracket 12422, the bottom end of the second bracket 12422 is connected to the output end of the second electric sliding table 12412 from the lower side of the rail plate 21, and the top end of the second bracket 12422 is connected to the bottom of the second annular light source 1232 from above the rail plate 21, so that the second annular light source 1232 is arranged above the rail plate 21.

The device for visually detecting the middle frame of the mobile phone provided by the embodiment can be applied to acquiring an image of a specific shooting object on the middle frame 3 of the mobile phone, wherein the image can be applied to detection operations such as the size of the shooting object, and the working process comprises the following steps:

referring to fig. 8, the middle frame 3 of the mobile phone is placed at one side of the light source assembly 12, so that the object to be photographed is located on the photographing path 113 of the visual inspection assembly 11, to ensure that the object to be photographed can be photographed; turning on the light source assembly 12 and the visual inspection assembly 11 to make the light source assembly 12 emit light to irradiate the shooting object, wherein different light sources irradiate the set area as required; the visual detection component 11 receives the reflected light of the middle frame 3 of the mobile phone and then images the reflected light.

Taking the detection of the 3D chamfer of the IO hole 31 of the mobile phone middle frame 3 as an example, when the light source assembly 12 works: for the annular light source group 123, after the annular light source group 123 is started, the first electric sliding table 12411 and the second electric sliding table 12412 are controlled to drive the corresponding annular light sources respectively, so that light of the first annular light source 1231 irradiates the metal chamfer 312, light of the second annular light source 1232 irradiates the outer plastic chamfer 311 with a color different from that of the metal chamfer 312, and the visual detection assembly 11 acquires images of chamfers with different colors at the 3D chamfer on the IO hole 31; for the first strip-shaped light source group 121 and the second strip-shaped light source group 122, before starting, the mounting positions of the first strip-shaped light source group 121 and the second strip-shaped light source group 122 are adjusted, so that after starting, the first strip-shaped light source group 121 and the second strip-shaped light source group 122 respectively irradiate the hole bottom 313 corresponding to the length direction and the width direction of the hole bottom 313 of the IO hole 31, so that the boundaries of the hole bottom 313 and the metal chamfer 312 on the image are clear, the chamfer part is well separated from the surrounding plane, imaging has good contrast, the interference of the hole bottom 313 on the image on 3D chamfer detection is removed, good images are provided for an algorithm and a software system, the 3D solid chamfer structure is not required to be directly and manually detected through structures such as a plug gauge and the like in the prior art, the detection efficiency and the accuracy can be improved, the manual influence is eliminated, the detection consistency is improved, and the test flow is simple.

It will be understood that when an element is referred to as being "secured" to another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.

The terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

In the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above the utility model provides a cell-phone center visual detection device has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The visual detection device for the middle frame of the mobile phone is characterized by comprising a detection module (1), wherein the detection module (1) comprises a visual detection assembly (11) and a light source assembly (12);

a shooting passage (113) extending along a first direction is formed at one side of the visual detection component (11);

the light source assembly (12) is arranged on one side of the visual detection assembly (11), and the light source assembly (12) comprises a position adjusting mechanism (124), an annular light source group (123), a first strip-shaped light source group (121) and a second strip-shaped light source group (122);

the first strip-shaped light source group (121) and the second strip-shaped light source group (122) are sequentially arranged between the visual detection assembly (11) and the annular light source group (123) along the first direction, and the first strip-shaped light source group (121) and the second strip-shaped light source group (122) are vertically arranged;

the annular light source group (123) comprises at least two annular light sources arranged at intervals along the first direction, the number of the position adjusting mechanisms (124) is at least two, and each annular light source is correspondingly connected with each position adjusting mechanism (124) in a one-to-one mode, so that the position of each annular light source and the distance between any two annular light sources can be adjusted along the first direction through the position adjusting mechanisms (124).

2. The visual inspection device for mobile phone middle frames according to claim 1, wherein the light of each annular light source has a different angle with the first direction.

3. The visual inspection device for middle frame of mobile phone according to claim 1, wherein the first bar-shaped light source set (121) comprises two first bar-shaped light sources (1211) sequentially arranged along a second direction, a first gap (1212) for the shooting path (113) to pass through is reserved between the two first bar-shaped light sources (1211), and the second direction is perpendicular to the first direction.

4. The visual inspection device for middle frames of mobile phones of claim 3, wherein in the first direction, the second bar-shaped light source group (122) is arranged between the first bar-shaped light source group (121) and the annular light source group (123); the second strip-shaped light source group (122) comprises two second strip-shaped light sources (1221) which are sequentially arranged along a third direction, a second gap (1222) for the shooting passage (113) to penetrate through is reserved between the two second strip-shaped light sources (1221), and the third direction is perpendicular to the first direction and the second direction respectively.

5. The visual inspection device for cell phone middles according to claim 4, further comprising a first mounting frame (13), wherein the first mounting frame (13) comprises a plurality of first guide rods (131) arranged parallel to the second direction and a plurality of first connecting plates (132) arranged parallel to the third direction, each first connecting plate (132) is sequentially arranged along the second direction and connected to the first guide rods (131), and each first connecting plate (132) is connected to each first strip-shaped light source (1211) in the first strip-shaped light source group (121) in a one-to-one correspondence manner.

6. The visual detection device for the middle frame of the mobile phone according to claim 5, further comprising a second mounting frame (14), wherein the first mounting frame (13) and the second mounting frame (14) are arranged in sequence along the first direction; the second mounting frame (14) comprises a plurality of second guide rods (141) arranged in parallel to the third direction and a plurality of second connecting plates (142) arranged in parallel to the second direction, the second connecting plates (142) are sequentially arranged along the third direction and connected to the second guide rods (141), and the second connecting plates (142) are connected with the second strip-shaped light sources (1221) in the second strip-shaped light source group (122) in a one-to-one correspondence manner.

7. The visual inspection device for middle frames of mobile phones of claim 1, wherein the visual inspection assembly (11) comprises a lens (112) and a camera (111) sequentially arranged along the first direction, the lens (112) is connected to the camera (111), and the shooting path (113) and the camera (111) are respectively arranged at two sides of the lens (112).

8. The visual inspection device for mobile phone middle frames according to claim 1, wherein there are two inspection modules (1), the visual inspection components (11) of the two inspection modules (1) are juxtaposed along a second direction, and the extending directions of the shooting paths (113) of the two visual inspection components (11) are opposite.

9. The visual detection device for the middle frame of the mobile phone according to any one of claims 1 to 8, wherein the position adjustment mechanism (124) includes a bracket (1242) and an electric sliding table (1241), the electric sliding table (1241) is disposed below the light source assembly (12), an output end of the electric sliding table (1241) is fixedly connected to the bracket (1242), a bottom of the ring light source is fixed to the corresponding bracket (1242), and the electric sliding table (1241) is configured to drive the corresponding ring light source to move along the first direction through the bracket (1242).

10. The visual detection device for the middle frame of the mobile phone according to claim 9, further comprising a guide rail plate (21) disposed below the light source assembly (12), wherein the electric sliding table (1241) is connected to the upper side or the lower side of the guide rail plate (21).