CN111780953B - Detection and assembly method for mobile phone camera module - Google Patents
Detection and assembly method for mobile phone camera module Download PDFInfo
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- CN111780953B CN111780953B CN202010611324.4A CN202010611324A CN111780953B CN 111780953 B CN111780953 B CN 111780953B CN 202010611324 A CN202010611324 A CN 202010611324A CN 111780953 B CN111780953 B CN 111780953B
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Abstract
The invention relates to the technical field of camera manufacturing, and particularly discloses a method for detecting and assembling a mobile phone camera module, which comprises the following steps: s1, rotating the turntable, detecting the camera module through the detection module and generating detection information; the detection information includes normal or failure; s2, acquiring production data of the camera module; s3, acquiring detection information from the detection module; judging whether the camera modules continuously break down or not based on the detection information, and if the camera modules continuously break down and the number of the broken-down camera modules is larger than a first threshold value, judging whether the processing information of any link of all the broken-down camera modules is the same or not based on the production data; if there is no identical jump to S4; s4, placing the standard camera module on a turntable; acquiring detection information of a standard camera module from a detection module; and when the detection information is a fault, generating the information to be overhauled of the detection module. By adopting the technical scheme of the invention, the fault of the detection module can be accurately identified.
Description
Technical Field
The invention relates to the technical field of camera manufacturing, in particular to a method for detecting and assembling a mobile phone camera module.
Background
In the manufacture of a camera module, a series of processes such as black spot detection, auto-focusing, dispensing, UV curing, burning, and the like are required. The currently employed approach is to provide a separate flow line for each process or inspection procedure, which is then processed or inspected by a worker. During operation, a lot of problems occur, including unstable dispensing accuracy, low assembly efficiency, poor assembly precision and the like, so that a lot of defective products are easily generated.
In order to solve the problems, chinese patent publication No. CN108857381A discloses an automatic assembling machine for LED components of a mobile phone camera, which comprises a workbench, wherein a turntable device and a manipulator for feeding and discharging are arranged on the workbench, a plurality of auxiliary jigs for placing camera end caps are arranged on the turntable device, a camera end cap feeding device, a dispensing device, an LED component feeding device, an LED assembling device, a finished product detecting mechanism, a defective product placing area and a finished product discharging device are sequentially arranged on the workbench around the turntable device, a plurality of turnover mechanisms are arranged between the camera end cap feeding device and the turntable device, after the camera end caps and the LED components are placed on the trays, the obtained camera end caps can be placed on the turnover device by the manipulator, and the turnover device rotates to turn over the camera end caps and place the camera end caps on the auxiliary jigs, and then the LED components are automatically dispensed, And assembling the LED parts and the like.
According to the scheme, the assembly efficiency and the assembly accuracy can be effectively improved, part of the assembly devices are directly replaced by the detection modules, the detection function can be realized, and the detection efficiency is improved. However, when the detection module itself has a problem, the detection accuracy may be degraded or even the originally normal camera module may be detected as a failure.
In order to prevent the occurrence of such a situation, a method for detecting and assembling a mobile phone camera module capable of accurately identifying a fault of a detection module is required.
Disclosure of Invention
The invention provides a method for detecting and assembling a mobile phone camera module, which can accurately identify the fault of a detection module.
In order to solve the technical problem, the present application provides the following technical solutions:
a detection and assembly method for a mobile phone camera module comprises the following steps:
s1, placing the camera module on the turntable, rotating the turntable, and detecting the camera module through the detection module to generate detection information; the detection information includes normal or failure;
s2, acquiring production data of the camera module; the production data comprises processing information of each link;
s3, acquiring detection information from the detection module; judging whether the camera modules continuously break down or not based on the detection information, and if the camera modules continuously break down and the number of the broken-down camera modules is larger than a first threshold value, judging whether the processing information of any link of all the broken-down camera modules is the same or not based on the production data; if there is no identical jump to S4;
s4, placing the standard camera module on a turntable; acquiring detection information of a standard camera module from a detection module; and when the detection information is a fault, generating the information to be overhauled of the detection module.
The basic scheme principle and the beneficial effects are as follows:
in this scheme, through placing the camera module in the carousel, the carousel rotates, and rethread detection module detects the camera module, can improve the detection efficiency of camera module greatly. The production data of the camera module is collected, and the processing information of the camera module in the previous processing link can be known.
When the detection information shows that the camera modules continuously break down and the number of the broken-down camera modules is larger than the first threshold value, the camera modules may break down or the detection modules may break down. In the scheme, production data of the fault camera module is also acquired; whether the processing information of any link of all fault camera modules is the same is judged based on production data, if not, the standard camera module is placed on a fixed position, the detection module detects the standard camera module, and if the detection information is a fault, the detection module can be determined to be in fault.
Because whole carousel is in operating condition always, frequently place standard camera module in and verify on the carousel, can occupy the position of waiting to detect the camera module, influence the efficiency that detects. The camera modules continuously break down, or problems may occur in the previous processing link, which may cause problems in the camera modules of a batch; in this scheme, only when all trouble camera modules do not have the processing information of any link the same just verify through standard camera module, can effectively get rid of the same processing link and go wrong, influence the condition of same batch of camera module.
In conclusion, the scheme can accurately identify the fault of the detection device while ensuring the detection efficiency.
Further, in S3, if a fault occurs continuously and the number of the faulty camera modules is greater than a second threshold value, and the processing information of any link in all the faulty camera modules is the same, jumping to S4; wherein the second threshold is greater than the first threshold.
Even if the processing information of any link in all fault camera modules is the same, if the number of the fault camera modules is too large, further verification is needed, and detection errors caused by faults of the detection modules are eliminated. In the preferred scheme, the verification is performed when the threshold value is larger than the second threshold value, so that the influence on the production efficiency is reduced.
Further, S5, calculating the number of times that the detection information of the standard camera module is normal, and if the number of times is greater than the third threshold, increasing the first threshold and the second threshold.
Through many times of verification, detection module all does not break down, and the first threshold value and the second threshold value of increaseing this moment can improve production efficiency, avoid frequently using standard camera module.
Further, in S2, the identification code printed on the camera module is collected, and the production data is obtained from the identification code.
The generated data can be quickly acquired through the identification code.
Further, in S1, the camera module is further assembled by an assembling module through one or more of dispensing, UV curing, and burning.
The detection and assembly are carried out on the same turntable, and the production efficiency is high.
Further, in S1, the detection items of the detection module include one or more of black spot detection, auto focus, white spot detection, and power-on timing detection.
The detection of various items can be carried out on the same turntable, and the efficiency is high.
Further, in S2, the processing information includes processing equipment information and raw material information.
The camera modules in a batch are all in a problem due to the fact that the same processing equipment is in a fault state is convenient to judge; the same raw materials are used, so that the problems occur in a batch of camera modules.
Further, in S3, the number of the first threshold is initially 3 to 10, and the number of the second threshold is initially 11 to 20.
The space for adjustment is large.
Further, in S1, the detection information is bound to the identification code of the corresponding camera module.
Other modules can acquire the detection information conveniently by acquiring the identification code.
Further, in S2, the identification code is a two-dimensional code.
The two-dimensional code technology is mature, and the identification is accurate. Two-dimensional codes can contain a larger amount of information than bar codes.
Drawings
FIG. 1 is a flow chart of a method for detecting and assembling a mobile phone camera module according to an embodiment;
fig. 2 is a top view of a mobile phone camera module inspection and assembly system according to an embodiment.
Detailed Description
The following is further detailed by way of specific embodiments:
the reference numbers in the drawings of the specification include: the device comprises a turntable 1, a fixing position 2, a loading and unloading module 3, a black spot detection unit 4, an automatic focusing unit 5, a white spot detection unit 6, a dispensing unit 7, a UV curing unit 8, a burning unit 9, a power-on time sequence detection unit 10 and a storage module 11.
Example one
As shown in fig. 1, the method for detecting and assembling a mobile phone camera module of the present embodiment includes the following steps;
s1, the camera module is printed with an identification code, and the two-dimensional code is adopted in the embodiment. Placing the camera module on the turntable 1, rotating the turntable 1, and detecting the camera module through the detection module to generate detection information; the detection information is bound with the two-dimensional code corresponding to the camera module; the detection information includes normal or failure; the detection items of the detection module comprise one or more of black spot detection, automatic focusing, white spot detection and power-on time sequence detection; this embodiment includes all of the above. Still carry out some glue, UV solidification and burn one or more assembly operation in the record to the camera module through the equipment module, include above-mentioned all in this embodiment. The specific implementation manner of the binding may store the detection information in the server, and the corresponding detection information may be called from the server through the identification code, which belongs to the prior art and is not described herein again.
S2, collecting the two-dimensional code printed on the camera module, and acquiring production data from the two-dimensional code; the production data includes processing information of each link. In this embodiment, the processing information includes processing equipment information and raw material information.
S3, acquiring detection information from the detection module; judging whether the camera modules continuously break down or not based on the detection information, and if the camera modules continuously break down and the number of the broken-down camera modules is larger than a first threshold value, judging whether the processing information of any link of all the broken-down camera modules is the same or not based on the production data; if there is no identical jump to S4; if there is the same jump to S1;
if faults occur continuously and the number of the fault camera modules is larger than a second threshold value and the processing information of any link in all the fault camera modules is the same, jumping to S4; wherein the second threshold is greater than the first threshold. The first threshold is initially 3-10 and the second threshold is initially 11-20. In this embodiment, the number of the first threshold values is initially 5, and the number of the second threshold values is initially 15.
S4, placing the standard camera module on the turntable 1; acquiring detection information of a standard camera module from a detection module; and when the detection information is a fault, generating the information to be overhauled of the detection module, and jumping to S6. When the detection information is normal, a transition is made to S5.
And S5, calculating the times that the detection information of the standard camera module is normal, and if the times is greater than a third threshold, increasing the first threshold and the second threshold. The number of times of the third threshold value is 5-10 times; in this example, the number of times is specifically 5. In this embodiment, when the first threshold and the second threshold are increased, 5 is added to each of the numbers.
And S6, taking out the detected standard camera module from the turntable 1 and jumping to S1.
Based on the detection and assembly method of the mobile phone camera module, the embodiment also provides a detection and assembly system of the mobile phone camera module, as shown in fig. 2, the detection and assembly system comprises a turntable 1, a loading and unloading module 3, a plurality of assembly modules and a detection module, wherein the turntable 1 is circumferentially provided with a plurality of fixing positions 2 of the camera module, and the loading and unloading module 3 is used for placing the camera module in the fixing position 2 or taking the camera module out of the fixing position 2; the loading and unloading modules 3, the assembling modules and the detecting modules are distributed along the circumferential direction of the turntable 1. The detection module is used for detecting the camera module on the fixed position 2 and generating detection information; the detection information includes normal or failure;
the assembly module comprises a dispensing unit 7, a UV curing unit 8 and a burning station unit; the detection module comprises a black spot detection unit 4, an automatic focusing unit 5, a white spot detection unit 6 and a power-on time sequence detection unit 10; in this embodiment, the loading and unloading module 3, the black spot detection unit 4, the automatic focusing unit 5, the white spot detection unit 6, the dispensing unit 7, the UV curing unit 8, the burning unit 9 and the power-on timing sequence detection unit 10 are sequentially arranged along the counterclockwise direction of the turntable 1; adjacent cells are spaced 45 apart.
The turntable 1 is driven by a power device to rotate along a fixed angle, which is prior art and will not be described in detail herein. The loading and unloading module 3 adopts a manipulator to grab the camera module and place the camera module on the fixed position 2, or grab the camera module from the fixed position 2. The camera module is printed with an identification code, and a two-dimensional code is adopted in the embodiment.
The device also comprises an identification module, a processing module and a storage module 11; deposit module 11 and be used for placing standard camera module, in this embodiment, standard camera module is for confirming, does not have the camera module of any trouble.
The identification module is used for collecting production data of the camera module; the production data includes processing information of each link. Specifically, an identification code is printed on the camera module, and the identification module is used for collecting the identification code and acquiring production data from the identification code. In this embodiment, the identification code is a two-dimensional code; the processing information includes processing equipment information and raw material information.
The processing module is used for acquiring detection information from the detection module and judging whether the camera modules continuously break down, and if the camera modules continuously break down and the number of the broken-down camera modules is larger than a first threshold value, the processing module is also used for acquiring production data of the broken-down camera modules; judging whether all fault camera modules have the same processing information in any link or not based on the production data; if not, the processing module is also used for sending verification information to the loading and unloading module 3; if the two are the same, the processing module does not send the verification information.
If faults occur continuously and the number of the fault camera modules is larger than a second threshold value, and the processing information of any link in all the fault camera modules is the same, the processing module is also used for sending verification information to the loading and unloading module 3.
The handling module 3 is also used to place the standard camera module in the storage module 11 on the fixing station 2 after receiving the handling information. The processing module is also used for acquiring the detection information of the standard camera module from the detection module; and when the detection information is a fault, the processing module generates the information to be overhauled of the detection module. The detection module is also used for binding the detection information with the two-dimensional code corresponding to the camera module. The processing module is also used for calculating the times that the detection information of the standard camera module is normal, and if the times is greater than a third threshold value, the first threshold value and the second threshold value are increased. In this embodiment, when the first threshold and the second threshold are increased, 5 is added to each of the numbers.
Example two
The difference between the present embodiment and the first embodiment is that in the mobile phone camera module detection and assembly system of the present embodiment, the processing module is further configured to obtain production information of the camera module; the storage module is also used for placing a typical fault camera module. In this embodiment, the production information is the initial stage of mass production or the stable period of mass production, and the typical failure camera module refers to a camera module with a preset typical failure after being artificially confirmed.
The processing module is also used for recording the use times of the standard camera module, and when the use times of the standard camera module is greater than the preset replacement times, the processing module is also used for generating replacement information. The number of replacement times was 50 to 100 times, and in this example, 50 times. Regularly change standard camera module, avoid standard camera module to be damaged after long-time the use. In this embodiment, the handling module grabs the standard camera module 1 time, and is recorded as using 1 time.
The processing module is also used for sending inspection information to the loading and unloading module when the use times of the standard camera module are equal to the preset inspection times; the loading and unloading module is also used for placing a typical fault camera module in the storage module on a fixed position and placing a standard camera module on the next fixed position after receiving the checking information. The number of inspections is smaller than the number of replacements. In this embodiment, the setting of inspection number of times needs to guarantee to carry out inspection 3 at least before standard camera module changes.
The processing module is also used for acquiring detection information of the typical fault camera module and the standard camera module from the detection module; when the detection information of the typical fault camera module is a fault and the detection information of the standard camera module is normal, the processing module generates inspection passing information; and when the detection information of the typical fault camera module is a fault and the detection information of the standard camera module is a fault, generating replacement information.
The processing module is also used for adjusting the first threshold, the second threshold and the checking times according to the production information; specifically, when the production information is at the initial stage of mass production, the processing module increases the first threshold and the second threshold and reduces the number of times of inspection; when the production information is in the stable period of mass production, the processing module reduces the first threshold and the second threshold and increases the checking times.
And generating replacement information, so that follow-up workers can conveniently obtain the replacement information, so that the standard camera module can be replaced regularly, and the standard camera module is prevented from being damaged after being used for a long time.
The detection module is tested through the typical fault camera module, whether the detection module can accurately detect the fault or not can be verified, and if the fault can be accurately detected, the detection module can be more credible for the inspection information of the standard camera module.
The difference between the method for detecting and assembling the mobile phone camera module of the embodiment and the first embodiment is that the system for detecting and assembling the mobile phone camera module is further adopted.
The camera module is usually loaded on the mobile phone, and the mobile phone is not enough in supply in the initial stage of distribution, and accordingly the requirement on the production efficiency of the camera module is high, so that the detection times are required to be reduced to reduce the influence on the production efficiency, and in the initial stage of distribution, the camera module is produced, the quality control is still incomplete, the failure probability is high, and therefore the first threshold value and the second threshold value are increased. In the stable period of mass production, the productivity comes, the quality control is improved, and the requirement on the production efficiency is relatively low, so that the first threshold value and the second threshold value are reduced, and the inspection times are increased.
The above are merely examples of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the schemes is not described herein too much, and those skilled in the art can know all the common technical knowledge in the technical field before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become barriers to the implementation of the present invention by those skilled in the art in light of the teaching provided in the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A detection and assembly method for a mobile phone camera module is characterized by comprising the following steps:
s1, placing the camera module on the turntable, rotating the turntable, and detecting the camera module through the detection module to generate detection information; the detection information includes normal or failure;
s2, acquiring production data of the camera module; the production data comprises processing information of each link;
s3, acquiring detection information from the detection module; judging whether the camera modules continuously break down or not based on the detection information, and if the camera modules continuously break down and the number of the broken-down camera modules is larger than a first threshold value, judging whether the processing information of any link of all the broken-down camera modules is the same or not based on the production data; if there is no identical jump to S4;
s4, placing the standard camera module on a turntable; acquiring detection information of a standard camera module from a detection module; and when the detection information is a fault, generating the information to be overhauled of the detection module.
2. The method for detecting and assembling a mobile phone camera module according to claim 1, wherein: in the step S3, if faults occur continuously and the number of the fault camera modules is larger than a second threshold value and the processing information of any link in all the fault camera modules is the same, jumping to the step S4; wherein the second threshold is greater than the first threshold.
3. The method for detecting and assembling a mobile phone camera module according to claim 2, wherein: and S5, calculating the times that the detection information of the standard camera module is normal, and if the times is greater than a third threshold, increasing the first threshold and the second threshold.
4. The method for detecting and assembling a mobile phone camera module according to claim 3, wherein: and S2, acquiring the identification code printed on the camera module, and acquiring production data from the identification code.
5. The method for detecting and assembling a mobile phone camera module according to claim 4, wherein: in the step S1, one or more assembling operations of dispensing, UV curing, and burning are further performed on the camera module through the assembling module.
6. The method for detecting and assembling a mobile phone camera module according to claim 5, wherein: in S1, the detection items of the detection module include one or more of black spot detection, auto focus, white spot detection, and power-on timing detection.
7. The method for detecting and assembling a mobile phone camera module according to claim 6, wherein: in S2, the processing information includes processing equipment information and raw material information.
8. The method for detecting and assembling a mobile phone camera module according to claim 7, wherein: in the step S3, the number of the first threshold is initially 3 to 10, and the number of the second threshold is initially 11 to 20.
9. The method for detecting and assembling a camera module of a mobile phone according to claim 8, wherein: and in the step S1, the detection information is bound with the identification code of the corresponding camera module.
10. The method for detecting and assembling a mobile phone camera module according to claim 9, wherein: in S2, the identification code is a two-dimensional code.
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