Automatic assembling method and system based on automobile USB connector and automobile USB connector

Through automated assembly processes and image recognition technology, the problems of low assembly efficiency and manual errors of automobile USB connectors are solved, and efficient and accurate automatic assembly and inspection are achieved.

CN119542879AActive Publication Date: 2025-02-28ZHEJIANG YANGMING AUTO PARTS
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Patent Information

Application Number
CN202510104363.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-02-28
Estimated Expiration
2045-01-23

AI Technical Summary

Technical Problem

The assembly efficiency of existing automobile USB connectors is low, and it is easy to cause incorrect assembly methods due to manual errors, which affects product quality.

Method used

The automatic assembly method based on the automotive USB connector is adopted, and the position is determined by obtaining the component image information of the circuit board, and the preset inspection and processing methods are used to remove statically, paste labels, assemble and press, and finally image recognition is performed to determine the qualified status of the connector.

Benefits of technology

It realizes an automated assembly process, reduces manual errors, improves the assembly efficiency of automotive USB connectors, and ensures product quality through automatic inspection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention relates to an automatic assembling method and system based on an automobile USB connector and the automobile USB connector, and relates to the technical field of automobile parts. Determining a placement position according to the component image information and the characteristics of the circuit board; controlling the circuit board to move to a static removal position based on the placement position, and acquiring scanning information of the code scanning position; inputting the scanning information to a label to form a circuit board label, and pasting the circuit board label to the pasting position; the circuit board is clamped at the static electricity removing position in the assembling posture to be assembled with the shell, and the extrusion position of the preset extrusion device is obtained; the assembled shell is controlled to move to an extrusion position and is pressed and assembled with the base to form a connector, the connector is processed and inspected based on an inspection processing method, and assembly image information is obtained; and when the assembly image information does not have abnormal features, controlling the joint to move to a qualified area. The automobile USB connector has the effect of improving the assembly efficiency of the automobile USB connector.
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Description

Technical Field

[0001] The present invention relates to the technical field of automobile parts, and in particular to an automatic assembly method and system based on an automobile USB connector, and an automobile USB connector. Background Art

[0002] The car USB connector is a common vehicle accessory used to connect various electronic devices to achieve functions such as charging and data transmission.

[0003] The car USB connector is composed of various parts, and each part needs to be manually assembled after the static electricity is removed. During assembly, it is necessary to manually take the corresponding positions of different parts, align the positions for combined installation on each part, and install them according to the installation order of each part. After installation, it is placed in the clamping device for clamping to form a car USB connector.

[0004] When the automotive USB connector is manually assembled, there are situations where the assembly method is wrong when manually assembling the various parts, which reduces the assembly efficiency of the automotive USB connector, and needs to be improved. Summary of the invention

[0005] In order to improve the assembly efficiency of a car USB connector, the present invention provides an automatic assembly method and system based on a car USB connector and a car USB connector.

[0006] In a first aspect, the present invention provides an automatic assembly method based on a car USB connector, which adopts the following technical solution: An automatic assembly method based on a car USB connector, comprising: Obtain component image information of the circuit board; Determine the placement position according to component image information and preset circuit board features; Controlling the circuit board to move to a preset static removal position based on the placement position, and obtaining scanning information of a preset code scanning position on the circuit board; Based on the scan information, the scan information is input into a preset label to form a circuit board label, and the circuit board label is pasted on a preset pasting position of the housing; Clamping the circuit board and the housing in a preset assembly posture at the static removal position for assembly, and obtaining the preset extrusion position of the extrusion device after the circuit board and the housing are assembled; Control the assembled shell to move to the extrusion position and press and assemble it with the preset base to form a joint, inspect the joint based on a preset inspection method, and obtain assembly image information of the joint; When the assembly image information does not show the preset abnormal features, the control joint is moved to the preset qualified area.

[0007] By adopting the above technical solution, the circuit board is moved to the static electricity removal position for static electricity removal, and the circuit board label is pasted at the pasting position, and then the circuit board, the shell and the base are clamped for assembly and compression to form a joint, and the joint is inspected and processed, and finally the joint is controlled to move to a qualified area according to the appearance of abnormal features in the assembly image information, so that the assembly of the joint can be automatically completed and inspected, reducing the situation of assembly errors in manual assembly, thereby improving the assembly efficiency of the automotive USB connector.

[0008] Optional, preset inspection processing methods include: Control the joint to shake with a preset shaking amplitude and shaking times, and obtain sound detection information and the shaking position of the joint; Determine the location of the sound source based on the sound detection information; Determine whether the sound source position coincides with the shaking position; If the sound source position does not coincide with the shaking position, the control joint is moved to the preset aging position for aging treatment; If the sound source position coincides with the shaking position, the sound corresponding to the shaking position is retrieved based on the sound detection information and defined as abnormal sound information; determining the type of abnormality based on the abnormal sound information; According to the abnormal type, the preset alarm information is output, and the joint corresponding to the abnormal type is controlled to move to the preset unqualified area.

[0009] By adopting the above technical solution, the sound detection information and the shaking position are understood by shaking the connector, and the sound source position is retrieved from the sound detection information. The abnormal type is obtained through the overlap of the sound source position and the shaking position, and an alarm message is output. The connector corresponding to the abnormal type is moved to the unqualified area, thereby reducing the steps of subsequent processing of unqualified connectors, thereby improving the overall assembly efficiency of the automotive USB connector.

[0010] Optionally, the preset inspection processing method also includes: Determine the aging temperature and target aging position according to the scanning information and the aging position; Control the joint to move to the target aging position and obtain the number of joints placed in the aging device; When the placement quantity is consistent with the preset reference quantity, the joint is aged based on the aging temperature and the target aging position, and the aging time of the joint is obtained; When the aging time is consistent with the preset reference time, the joint at the target aging position is controlled to move to the preset cooling position; The aged joint is cooled at a cooling position for a preset reference cooling time, and after the joint is cooled, the joint is controlled to move to a preset inspection position and inspected.

[0011] By adopting the above technical solution, the target aging position, aging temperature and placement quantity are understood to ensure the consistency and efficiency of the connector aging process, and the aged product is controlled to be cooled within the reference cooling time, so that the connector can be automatically aged and cooled, thereby improving the assembly efficiency of the automotive USB connector.

[0012] Optional methods for inspecting the joint include: Determine the running program based on the scan information; Control the preset joint sample to move to the preset inspection position and obtain the test start information; When the test start information is consistent with the preset reference start information, the joint sample is tested based on the running program, and the test information and the count quantity are obtained; When the test information is consistent with the preset reference test information, the joint sample is removed and the joint is controlled to move to a preset inspection position and the count quantity is reset, and the test information is re-acquired; When the updated test information is consistent with the preset abnormal information, the control joint moves to the preset unqualified area; When the updated test information is consistent with the preset qualified information, the test information and the count quantity are input into the preset label to form a test label, and the test label is pasted on the pasting position.

[0013] By adopting the above technical solution, the test information of the joint sample is understood and compared with the benchmark test information. The joint is inspected and the count quantity is reset based on the comparison result, and the test information is reacquired, so that the device for inspecting the joint can be calibrated to improve the accuracy of inspecting the joint.

[0014] Optionally, before obtaining the component image information of the circuit board, the following steps are also included: Obtaining the image detection information on the preset conveyor belt; When the image detection information includes a preset component feature, determining the component position according to the image detection information and the component feature; Determine the part type and target part shape by using the preset blowing classification method according to the part position; Determine the part base shape according to the part type; Determine the reference blowing force point based on the reference shape of the part; The rotation vector angle is determined according to the target part shape, the reference blowing force point and the preset conveying direction, and when the part position coincides with the preset rotation position, the part is controlled to rotate at the rotation vector angle; Determine the sorting position and blowing position based on part type; Determine the blowing angle and blowing power according to the classification position, part position and part type; When the part position coincides with the blowing position, the preset wind wall device is controlled to operate at a blowing angle and blowing power.

[0015] By adopting the above technical scheme, the image detection information and component features are understood to obtain the part type and the target part shape, and the rotation vector angle is obtained through the part type and the target part shape, and then the blowing device is controlled to blow the component at the blowing position with the blowing direction and blowing power, so as to facilitate the blowing device to blow the component, thereby improving the flexibility of the wind wall device.

[0016] Optional, pre-set blowing classification methods include: When the image detection information includes a preset component feature, a wind wall device preset on the conveyor belt is controlled to operate at a preset reference power, and a blowing range of the wind wall device is obtained; When the position of the part falls within the blowing range, the preset baffle is controlled to rise and fall to the preset shape detection position, and the estimated blocking specification of the part on the baffle and the wind speed information corresponding to the estimated blocking specification are obtained; Determine the blocking distance based on the position of the parts and the reference blowing position of the preset wind wall device; Update the blocking estimation specification according to the blocking distance and the wind speed corresponding to the reference power; According to the updated blockage estimation specification, the blockage estimation height and blockage estimation length are retrieved; Determine an estimated width of the obstruction corresponding to the estimated length of the obstruction based on the wind speed information; Determine an estimated part shape according to an estimated block height, an estimated block length, and an estimated block width, and use the estimated part shape as a target part shape; The part type is determined based on the target part shape, and the stopper is controlled to move to a preset reset position.

[0017] By adopting the above technical solution, the air blowing classification method is used to achieve efficient and accurate classification of parts. When the part features are detected in the image detection information, the wind wall device is used to obtain the target part shape and part type based on the part position, blocking estimated specifications and wind speed information, thereby reducing the time and error of manual classification, ensuring that each part is accurately classified, and providing strong guarantees for the subsequent assembly process.

[0018] Optionally, the method after determining the estimated part shape includes: Determine the estimated part volume based on the estimated part shape; Determine whether the estimated part volume is greater than a preset reference part volume; If the estimated part volume is not greater than the reference part volume, continue to determine the part type; If the estimated part volume is larger than the reference part volume, stacking and combining are performed according to preset reference part volumes corresponding to each part type to form different reference stacking volumes and reference stacking shapes corresponding to the reference stacking volumes; Based on different reference stacking volumes, a reference stacking shape corresponding to the estimated part volume is selected as a marked stacking shape; Based on different marked stacking shapes, a marked stacking shape corresponding to the estimated part shape is selected as a selected stacking shape; According to the selected stacking shape, the preset wind wall device is controlled to blow air to blow down the stacked parts.

[0019] By adopting the above technical scheme, the comparison between the estimated part volume and the reference part volume is understood, and the reference stacking shape is obtained based on the comparison result. The stacking shape is selected by the estimated part volume and the estimated part shape, and then the blowing device is controlled to blow air to blow off the stacked parts, thereby reducing the time wasted in classifying parts due to improper parts arrangement and improving the efficiency of parts classification.

[0020] Optionally, methods of blowing off stacked parts include: Obtain the wind direction of the wind wall device; Determine the stacking parts according to the selected stacking shape; Determine the weight value and stacking position of the stacked parts according to the stacked parts and the selected stacking shape; Determine the actual blow-off position based on the stacking position and selected stacking shape; Determine the blow-off rotation angle based on the actual blow-off position and the blowing direction of the wind wall; Determine the stacking blowing power based on the weight value of the stacked parts and the blocking distance; The components at the part position are rotated based on the blow-off rotation angle, and the wind wall device is controlled to operate at the stacking blowing power to blow off the stacked components.

[0021] By adopting the above technical scheme, the stacked parts are understood to obtain the stacking blowing power and the stacking position, and the blowing rotation angle is obtained through the stacking position, the part position, the selected stacking shape and the blowing direction of the wind wall. Then, the blowing rotation angle and the stacking blowing power of the wind wall device are controlled to blow off the stacked parts, so that the stacked parts can be blown off when the wind wall device is running, and the damage to the parts caused by excessive wind force or improper angle is reduced.

[0022] In the second aspect, the present application provides an automatic assembly system based on a car USB connector, which adopts the following technical solution: An automatic assembly system based on a car USB connector, comprising: An acquisition module is used to acquire component image information, scanning information, labels, extrusion positions, assembly image information, sound detection information, shaking positions, placement quantity, test information, test labels, image detection information, blowing range, wind wall blowing direction, blockage estimation specifications, and wind speed information; A memory for storing a program of an automatic assembly method based on a car USB connector; The processor is used to load, execute and implement the program stored in the memory.

[0023] In a third aspect, the present application provides an automotive USB connector, which is assembled using any of the above-mentioned automatic assembly methods based on automotive USB connectors, and adopts the following technical solutions: A car USB connector comprises a shell, a circuit board and a base, wherein the shell is provided with a cavity for placing the circuit board, the circuit board is provided with a PIN needle, one end of the circuit board close to the PIN needle faces the position of the shell cavity, the base is provided with the buckle, and the shell is provided with a slot for the buckle to be clamped and fixed.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. By pressing and inspecting the assembled connector and controlling the connector to move to the qualified area, the connector assembly process can be automatically realized, reducing the situation of assembly errors caused by manual assembly, so as to improve the assembly efficiency of automotive USB connectors; 2. By shaking the connector to identify the unqualified connector and move it to the qualified area, the steps of subsequent processing of unqualified connectors are reduced to improve the overall assembly efficiency of automotive USB connectors; 3. The air blowing classification method is used to achieve efficient and accurate classification of parts, thereby reducing the time and error of manual classification, ensuring that each part is accurately classified, and providing strong support for the subsequent assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the exploded structure of an automotive USB connector according to an embodiment of the present invention; Figure 2 This is a method flow chart of an automatic assembly method based on a car USB connector according to an embodiment of the present invention; Figure 3 The method flow of the preset inspection and processing method of the embodiment of the present invention is Figure 1 ; Figure 4 The method flow of the preset inspection and processing method of the embodiment of the present invention is Figure 2 ; Figure 5 It is a method flow chart of the preset blowing classification method in an embodiment of the present invention.

[0026] The names of the parts indicated by the numerical labels in the above drawings are as follows: 1. shell; 2. circuit board; 3. base; 4. cavity; 5. PIN needle; 6. buckle; 7. card slot. DETAILED DESCRIPTION

[0027] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] Reference Figure 1 A car USB connector includes a shell 1, a circuit board 2 and a base 3. The shell 1 is provided with a cavity 4 for installing the circuit board 2. The circuit board 2 is provided with a PIN pin 5. The end of the circuit board 2 close to the PIN pin 5 faces the cavity of the shell 1. The base 3 is provided with a hole for placing the PIN pin 5. The base 3 is provided with a buckle 6. The shell 1 is provided with a card slot 7 for the buckle 6 to be clamped and fixed. The base 3 is installed in cooperation with the shell 1 to fix the circuit board 2 in the cavity 4 of the shell 1.

[0029] Reference Figure 1 and Figure 2 The present application embodiment discloses an automatic assembly method based on a car USB connector, comprising the following steps: Step S100: Acquire component image information of the circuit board 2.

[0030] The component image information refers to an image corresponding to the circuit board 2, which is obtained by photographing the storage position corresponding to the circuit board 2 through a camera. The storage position is a position set by a technician for storing the circuit board 2, the housing 1 or the base 3 separately.

[0031] Step S101: Determine a placement position according to component image information and preset circuit board features.

[0032] The circuit board features are the features such as size, shape and color corresponding to the circuit board 2 set by the technician. The placement position refers to the position where a single circuit board 2 is placed, and the position of the image corresponding to the circuit board features is selected from the component image information as the placement position.

[0033] Step S102 : controlling the circuit board 2 to move to a preset static electricity removal position based on the placement position, and obtaining scanning information of a preset code scanning position on the circuit board 2 .

[0034] The static removal position is the position corresponding to the static removal on the circuit board 2 set by the technician, and the barcode scanning position is the position where the barcode is printed on the circuit board 2 set by the technician. The circuit board 2 is clamped and moved to the static removal position by controlling the preset clamping device to facilitate subsequent static removal. The clamping device refers to the mechanical arm corresponding to the circuit board 2, the housing 1 and the base 3. The part clamped by the clamping device is covered with a rubber finger sleeve for reducing the generation of static electricity.

[0035] The scanning information refers to the serial number, production batch number, production specifications and other information corresponding to the circuit board 2. The serial number, production batch number, production specifications and other information obtained by scanning the scanning position by the camera are combined to form the scanning information.

[0036] Step S103 : inputting the scanned information into a preset label to form a circuit board label, and pasting the circuit board label on a preset pasting position of the housing 1 .

[0037] The circuit board label refers to a label storing corresponding scan information, and the circuit board label is formed by inputting the scan information into the label set by the technician. The pasting position is the position on the housing 1 set by the technician for pasting the label. In this embodiment, two pasting positions are set on the housing 1. Pasting the circuit board label on the pasting position facilitates the user to scan and query.

[0038] Step S104: Clamp the circuit board 2 and the housing 1 at the static electricity removal position in a preset assembly posture for assembly. After the circuit board 2 and the housing 1 are assembled, obtain the preset extrusion position of the extrusion device.

[0039] The assembly posture is the posture corresponding to the assembly of the circuit board 2, the housing 1 and the base 3 set by the technician. The circuit board 2 corresponding to the static removal position and the housing 1 at the remaining storage positions are assembled by clamping the clamping device. The pressing position refers to the position where the pressing device presses the base 3. The position where the pressing device presses is retrieved as the pressing position by querying the model of the pressing device. The pressing device is a device used to press the base 3 so that the base 3 and the housing 1 are installed in coordination.

[0040] Step S105: Control the assembled housing 1 to move to the extrusion position and press and assemble it with the preset base 3 to form a joint, inspect the joint based on a preset inspection method, and obtain assembly image information of the joint.

[0041] The assembled housing 1 is moved to the extrusion position by the clamping device and the base 3 is clamped to be installed in an assembly posture, and then the pressing device is controlled to press to form a joint. The inspection and processing method refers to a method for performing abnormal sound detection, aging treatment and cooling on the joint. The specific inspection and processing steps refer to steps S200 to S405.

[0042] The assembly image information refers to the image of the joint that has been processed and inspected by the inspection processing method, and the image corresponding to the joint that has been processed and inspected by the inspection processing method is captured by a camera as the assembly image information.

[0043] Step S106: When the assembly image information does not show a preset abnormal feature, control the joint to move to a preset qualified area.

[0044] The abnormal features are the features corresponding to the abnormalities such as micro-images, flash, scratches and bubbles on the joints set by the technicians. The qualified area is set by the technicians to place the joints that have passed the inspection.

[0045] When the assembly image information shows abnormal features, it means that the joint has abnormalities such as miniature, flash, scratches and bubbles, so the clamped joint is moved to the preset unqualified area. When the assembly image information does not show abnormal features, it means that the joint does not have abnormalities such as miniature, flash, scratches and bubbles, so the clamped joint is moved to the preset qualified area. The unqualified area is set by the technician to place abnormal joints.

[0046] Reference Figure 1 and Figure 3 , the preset inspection processing method includes the following steps: Step S200: Control the connector to shake with a preset shaking amplitude and shaking times, and obtain sound detection information and the shaking position of the connector.

[0047] The shaking amplitude is the amplitude set by the technician to control the shaking of the clamping device clamping the joint, and the shaking times is the number of times set by the technician to control the shaking of the clamping device clamping the joint. The clamping device clamping the joint is shaken with the shaking amplitude and shaking times. The shaking position refers to the position of the joint corresponding to the shaking of the clamping device clamping the joint, and the coordinate position of the part of the clamping device clamping the joint is used as the shaking position through the GPS positioning preset on the clamping device.

[0048] Sound detection information refers to the sound timbre and location of the sound source corresponding to the joint inspection. The sound timbre and location of the sound source detected by a preset sound collecting device when the clamping device clamps the joint and shakes it are used as sound detection information.

[0049] Step S201: Determine the location of the sound source according to the sound detection information.

[0050] The sound source position refers to the position corresponding to the sound source that generates the sound, and the sound source position is retrieved from the sound detection information.

[0051] Step S202: Determine whether the sound source position coincides with the shaking position.

[0052] By determining whether the sound source position coincides with the shaking position, it is possible to determine whether there is abnormal noise at the joint.

[0053] Step S2021: If the sound source position does not coincide with the shaking position, the control joint is moved to a preset aging position for aging processing.

[0054] The aging position is the position of the aging device set by the technicians for aging the joint. The aging device refers to the device used for aging the joint. When the sound source position does not coincide with the shaking position, it means that there is no abnormal sound in the joint, so the clamped joint is moved to the aging position for aging treatment.

[0055] Step S2022: If the sound source position coincides with the shaking position, the sound corresponding to the shaking position is retrieved based on the sound detection information and defined as abnormal sound information.

[0056] Abnormal sound information refers to the sound detection information corresponding to the shaking position. When the sound source position coincides with the shaking position, it indicates that an abnormal sound occurs in the joint. Therefore, the sound corresponding to the shaking position is retrieved from the sound detection information as the abnormal sound information.

[0057] Step S203: Determine the abnormality type based on the abnormal sound information.

[0058] The abnormal type refers to the type corresponding to the abnormalities such as the size deviation of the buckle 6, the breakage of the buckle 6, and the failure of the buckle 6 to be snapped into place. The abnormal type is matched from the preset abnormal database through the abnormal sound information. The abnormal database stores the abnormal types corresponding to different abnormal sound information. The abnormal database is a database set by humans and will not be described in detail here.

[0059] Step S204: outputting preset alarm information according to the abnormality type, and controlling the joint corresponding to the abnormality type to move to a preset unqualified area.

[0060] The alarm information is preset data and is used to prompt the operator of the corresponding warning of the abnormal type of the joint. The terminal held by the operator is controlled to output the alarm information to prompt the operator of the abnormal type of the joint, and the joint corresponding to the abnormal type is controlled to move to the unqualified area.

[0061] Furthermore, the method for controlling the joint to shake with a preset shaking amplitude and shaking times includes the following steps: Step S2001: Determine the specifications of the circuit board based on the scanning information.

[0062] The circuit board specification refers to the size specification corresponding to the circuit board 2, and the circuit board specification is retrieved from the scanning information.

[0063] Step S2002: matching the target shaking amplitude from a preset shaking database according to the circuit board specifications.

[0064] The target shaking amplitude refers to the shaking amplitude of the connector corresponding to the specifications of the installed circuit board. The target shaking amplitude is matched from the preset shaking database according to the specifications of the circuit board. The shaking database stores the target shaking amplitudes corresponding to different circuit board specifications. The shaking database is a database set by humans and will not be described here.

[0065] Step S2003: Determine the installation position of the buckle 6 based on the circuit board specifications.

[0066] The installation position refers to the position of the buckle 6 on the base 3 corresponding to the circuit board specification, and the installation position is matched from the preset assembly database according to the circuit board specification. The assembly database stores the installation positions of the buckle 6 corresponding to different circuit board specifications. The assembly database is a manually set database and will not be described in detail here.

[0067] Step S2004: Acquire clamping image information of the joint on the clamping device.

[0068] The clamping image information refers to an image corresponding to a joint on the clamping device, and the image corresponding to the joint on the clamping device is captured by a camera preset on the clamping device as the clamping image information.

[0069] Step S2005: determining the clamping joint shape according to the clamping image information and the preset joint features.

[0070] The joint features are the shape, color and other features corresponding to the joint set by the technicians. The clamped joint shape refers to the shape of the joint on the clamping device. The contour shape of the image corresponding to the joint features is selected from the clamping image information as the clamped joint shape.

[0071] Step S2006: Determine the shaking direction according to the shape and installation position of the clamping joint.

[0072] The shaking direction refers to the direction in which the clamping device shakes. The installation position is identified from the shape of the clamping joint, and the shaking direction is obtained by combining the shape of the clamping joint with the installation position. For example, when the buckle 6 and the slot 7 are matched, the normal buckle 6 and the slot 7 fit each other or the gap is small. When the buckle 6 has a size deviation or is broken, there is a gap between the buckle 6 and the slot 7. Therefore, it is necessary to control the clamping device to shake in the left and right direction corresponding to the buckle 6. Therefore, the left and right direction of the buckle 6 corresponding to the joint on the clamping device is used as the shaking direction.

[0073] Step S2007: Control the clamping device to shake with the target shaking amplitude, shaking direction and shaking times.

[0074] By controlling the clamping device to shake with a target shaking amplitude, shaking direction and shaking times, it is convenient to check whether the buckle 6 has abnormal noise.

[0075] Reference Figure 1 and Figure 4 , the preset inspection and processing methods also include: Step S300: determining an aging temperature and a target aging position according to the scanning information and the aging position.

[0076] The aging temperature refers to the temperature at which the joint is aged. The aging temperature is matched from the preset aging database by scanning information. The aging database stores aging temperatures corresponding to different scanning information. The aging database is a database set manually and will not be described here. In this embodiment, the aging temperature is 80 degrees. Before the joint is placed in the aging device, the temperature of the aging device needs to be controlled to reach the aging temperature.

[0077] The target aging position refers to the position where the connector is placed in the aging device. When the connector is aged, the circuit board label on the housing 1 needs to be scanned, and the position of the aging device corresponding to the scanned circuit board label is used as the target aging position.

[0078] Step S301: Control the connector to move to the target aging position, and obtain the number of connectors placed in the aging device.

[0079] The placement quantity refers to the number of joints placed in the aging device. The joints are clamped by the clamping device and moved to the target aging position. The joints in each aging device are counted, and the counting result is used as the placement quantity.

[0080] Step S302: When the placement quantity is consistent with a preset reference quantity, an aging process is performed on the joint based on the aging temperature and the target aging position, and an aging time of the joint is obtained.

[0081] The reference number is the maximum number of connectors placed in each aging device set by the technician. In this embodiment, the reference number is 2. When the placement number is consistent with the reference number, it means that the aging device corresponding to the connectors placed with the reference number can be started, and the timing is performed when the aging device performs the aging process, and the time corresponding to the timing is used as the aging time. In this embodiment, when the connector is replaced in the aging device, the timing time is reset.

[0082] Step S303: When the aging time is consistent with the preset reference time, control the joint at the target aging position to move to the preset cooling position.

[0083] The cooling position is the position set by the technician for cooling the aged joint. The reference time is the maximum time set by the technician for aging the joint. In this embodiment, the reference time is 15 minutes. When the aging time is consistent with the reference time, it means that the joint has completed the aging process, so the clamping joint is moved to the cooling position.

[0084] Step S304: Cooling the aged joint at the cooling position for a preset reference cooling time, and after the joint is cooled, controlling the joint to move to a preset inspection position and inspecting the joint.

[0085] The reference cooling time is the maximum time set by the technician for cooling the joint. In this embodiment, the reference cooling time is 10 minutes. The inspection position is the position set by the technician for parameter verification of the joint. When the joint is in the cooling position, the cooling device is started to run at the reference cooling time. After the joint is cooled, the clamped joint is moved to the preset inspection position and the joint is inspected. The cooling device is a device for blowing air to cool the joint.

[0086] The method for inspecting the joint comprises the following steps: Step S400: Determine the running program according to the scanning information.

[0087] The operating program refers to the program used to control the operation of the detection device to detect the performance of the joint. The operating program is matched from the preset inspection database through the scanning information. The inspection database stores the operating programs corresponding to different scanning information. The inspection database is a database set by humans and will not be described in detail here. The detection device refers to the device corresponding to the detection of the joint performance.

[0088] Step S401: Control a preset joint sample to move to a preset inspection position and obtain test start information.

[0089] The joint sample is a sample set by the technician for calibrating the detection device, and is moved to the inspection position by clamping the joint sample. The test start information refers to the device used to control the start of the test device. The test start information can be a pressure detection value, and the parameter obtained by the pressure sensor preset at the detection position is used as the test start information.

[0090] Step S402: When the test start information is consistent with the preset reference start information, the joint sample is tested based on the running program, and the test information and the count quantity are obtained.

[0091] The reference start information is a reference information value set by a technician to control the start of the test device, and the reference start information may be a reference pressure value. When the test start information is consistent with the reference start information, it indicates that the detection device is started to inspect the joint.

[0092] Test information refers to the information of the comparison result corresponding to the detection of the joint or joint sample by the detection device. By retrieving the test information from the system corresponding to the test device, the test information can be qualified information or abnormal information. The count quantity refers to the number corresponding to the joint tested by the detection device. By counting each test information, the counting result is used as the count quantity. The qualified information is the information output by the detection device set by the technician for the qualified joint. The abnormal information is the information output by the detection device set by the technician for the unqualified joint.

[0093] Step S403: When the test information is consistent with the preset reference test information, remove the joint sample and control the joint to move to a preset inspection position and reset the counted number, and reacquire the test information.

[0094] The benchmark test information is the test information corresponding to the joint sample set by the technician. When the test information is inconsistent with the benchmark test information, it means that the detection device has a parameter error, so the detection device is calibrated according to the benchmark test information. When the test information is consistent with the benchmark test information, it means that the detection device has no parameter error, so the joint sample is removed and the clamped joint is moved to the inspection position, the count number is reset, and the test information is re-acquired.

[0095] Step S404: When the updated test information is consistent with the preset abnormal information, the joint is controlled to move to a preset unqualified area.

[0096] When the updated test information is consistent with the abnormal information, it indicates that the performance of the joint is abnormal, so the clamped joint is moved to the unqualified area.

[0097] Step S405: When the updated test information is consistent with the preset qualified information, the test information and the counted quantity are input into the preset label to form a test label, and the test label is pasted on the pasting position.

[0098] The test label refers to the label of the corresponding joint after the test. When the updated test information is consistent with the qualified information, it means that there is no abnormality in the performance of the joint. Therefore, the test information and the count quantity are input into the label set by the technician to form a test label, and the test label is pasted on the pasting position on the other side of the shell 1.

[0099] Before obtaining the component image information of the circuit board 2, the following steps are also included: Step S500: Acquire preset image detection information on the conveyor belt.

[0100] Image detection information refers to the image of the conveyor belt, which is captured by a camera preset on the conveyor belt. The conveyor belt is a device for conveying and sorting the circuit board 2, the housing 1 and the base 3. The conveyor belt is provided with a wind wall device, a turntable device, a baffle and a branch conveyor belt. The wind wall device is provided between the two conveyor belts, and an inclined plate is provided between the two conveyor belts. The inclined plate is provided with a hole for blowing air through the wind wall. The blowing direction of the wind wall device is consistent with the transmission direction of the transmission belt. The turntable device is provided within the blowing range of the wind wall device, and the baffle is provided between the branch conveyor belt and the wind wall device.

[0101] Step S501: When the image detection information includes a preset component feature, the component position is determined according to the image detection information and the component feature.

[0102] The component features are the shapes and colors corresponding to the circuit board 2, the housing 1, and the base 3 set by the technician. The components are the circuit board 2, the housing 1, and the base 3. The component position refers to the position of the component on the conveyor belt. When the image detection information contains the component features, it means that the component has passed on the conveyor belt. Therefore, the position of the image corresponding to the component features is selected from the image detection information as the component position.

[0103] Step S502: Determine the part type and target part shape according to the part position by using a preset blowing classification method.

[0104] The blowing classification method refers to a method for blowing classification of parts. For specific operation steps, refer to step S600 to step S807. The part type refers to the type corresponding to the part, and the target part shape refers to the shape of the part corresponding to the part type on the conveyor belt. The part position and the blowing classification method are combined for analysis to obtain the part type and the target part shape.

[0105] Step S503: Determine the part reference shape according to the part type.

[0106] The part reference shape refers to the reference shape of the component corresponding to the part type. The part reference shape is matched from the preset shape database by the part type. The shape database stores the part reference shapes corresponding to different part types. The shape database is a manually set database and will not be described here.

[0107] Step S504: Determine a reference blowing force point according to the reference shape of the part.

[0108] The reference blowing force point refers to the maximum force position of the component receiving the blowing, and the reference blowing force point is matched from the shape database through the part reference shape. The shape database also stores the reference blowing force points corresponding to different part reference shapes, which will not be described here.

[0109] Step S505: Determine the rotation vector angle according to the target part shape, the reference blowing force point and the preset conveying direction, and control the part to rotate at the rotation vector angle when the part position coincides with the preset rotation position.

[0110] The conveying direction is the direction of the conveyor belt conveying parts set by the technician. The rotation vector angle refers to the vector angle that the turntable device needs to rotate. The rotation vector angle is obtained by marking the position of the reference blowing force point from the target part shape and marking the closest position relative to the conveying direction in the target part shape. The two marked positions are combined to obtain the rotation vector angle.

[0111] Step S506: Determine the classification position and the blowing position based on the part type.

[0112] The classification position refers to the position on the branch conveyor belt where the corresponding parts are conveyed. The part type is matched with the preset reference classification type corresponding to each branch conveyor belt, and the position of the branch conveyor belt corresponding to the overlap of the part type and the reference classification type is used as the classification position. The reference classification type is the type of the corresponding parts conveyed by each branch conveyor belt set by the technician.

[0113] The blowing position refers to the position where the wind wall device is used to blow the parts to the classification position. The blowing position is matched from the preset blowing database by the part type. The blowing database stores the blowing positions corresponding to different part types. The blowing database is a manually set database and will not be described in detail here.

[0114] Step S507: Determine the blowing angle and blowing power according to the classification position, the part position and the part type.

[0115] The blowing angle refers to the blowing angle of the wind wall device. The classification position, the part position and the preset reference blowing position are used to form a straight line, and the angle analysis is performed on the two straight lines to obtain the blowing angle. The reference blowing position is the position set by the technicians for the wind wall device to be installed and blow. The blowing power refers to the power of the wind wall device for blowing. The blowing power is matched from the blowing database by the part type. The blowing power corresponding to different part types is also stored in the blowing database, which will not be elaborated here.

[0116] Step S508: When the part position coincides with the blowing position, the preset wind wall device is controlled to operate at a blowing angle and a blowing power.

[0117] When the part position coincides with the blowing position, it means that the wind wall device needs to assist the parts in blowing classification, so the wind wall device is controlled to operate at the blowing angle and blowing power to blow the parts corresponding to the part type to the classification position. When the part position coincides with the classification position, the wind wall device is controlled to reset.

[0118] Reference Figure 5 , the preset blowing classification method includes the following steps: Step S600: When the image detection information includes a preset component feature, control the wind wall device preset on the conveyor belt to operate at a preset reference power, and obtain the blowing range of the wind wall device.

[0119] The benchmark power is the benchmark operating power of the wind wall device set by the technical staff. The blowing range refers to the range in which the wind wall device blows air. When the image detection information contains component features, it indicates that the wind wall device needs to identify and classify components. Therefore, the wind wall device is controlled to operate at the benchmark power. By querying the specifications of the wind wall device installed on the conveyor belt, the blowing range of the wind wall device is retrieved as the blowing range.

[0120] Step S601: When the position of the component falls within the blowing range, the preset baffle is controlled to rise and fall to the preset shape detection position, and the estimated blocking specification of the component on the baffle and the wind speed information corresponding to the estimated blocking specification are obtained.

[0121] The shape detection position is a position set by the technicians to detect the corresponding shape of the parts on the conveyor belt. The shape detection position is set between the turntable device and the classification position, and the length direction of the baffle is perpendicular to the conveying direction. The blocking estimated specification refers to the specification of the wind blown out by the wind wall device that the parts on the conveyor belt block. The different wind speeds blown to the baffle by the wind wall device are detected by multiple hot wire anemometers preset on the baffle as wind speed information, and the different contour specifications formed are used as the blocking estimated specifications.

[0122] Step S602: Determine the blocking distance according to the position of the component and the reference blowing position of the preset wind wall device.

[0123] The blocking distance refers to the distance that the part position blocks the wind wall from blowing. The straight-line distance calculated between the part position and the reference blowing position is used as the blocking distance.

[0124] Step S603: updating the blocking estimation specification according to the blocking distance and the wind speed corresponding to the reference power.

[0125] The correction coefficient is matched from a preset correction database by the wind speed corresponding to the blocking distance and the reference power, and a new blocking estimation specification is obtained by combining the correction coefficient with the blocking estimation specification.

[0126] Step S604: Retrieve the estimated obstruction height and the estimated obstruction length according to the updated obstruction estimation specification.

[0127] The estimated blocking height refers to the estimated height of the wind shielding wall device of the component, and the estimated blocking length refers to the estimated length of the wind shielding wall device of the component. The estimated blocking height and the estimated blocking length are retrieved from the updated estimated blocking specifications.

[0128] Step S605: determining the estimated obstruction width corresponding to the estimated obstruction length based on the wind speed information.

[0129] The estimated width of the blocking refers to the estimated width of the wind of the wind shielding wall device of the component. The estimated width of the blocking is matched by inputting each wind speed information on the estimated length of the blocking into the preset blocking database. The estimated width of the blocking corresponding to different wind speed information is stored in the blocking database. The blocking database is a database set by humans and will not be described in detail here.

[0130] Step S606: determining an estimated part shape according to the estimated blocking height, the estimated blocking length, and the estimated blocking width, and using the estimated part shape as the target part shape.

[0131] The estimated part shape refers to the estimated shape corresponding to the component within the blowing range. The estimated part shape is obtained by combining the estimated blocking height, the estimated blocking length, and the estimated blocking width, and the estimated part shape is used as the target part shape.

[0132] Step S607: Determine the part type based on the target part shape, and control the baffle to move to a preset reset position.

[0133] The part type is matched from the preset shape database through the target part shape. The shape database stores part types corresponding to different target part shapes. The shape database is a manually set database and will not be described in detail here. The reset position is the position set by the technician to control the baffle to reset so that the parts within the blowing range can move. In this embodiment, the baffle moves from top to bottom onto the conveyor belt, and when resetting, the baffle is lifted to the reset position.

[0134] The method after determining the estimated part shape includes the following steps: Step S700: Determine the estimated part volume according to the estimated part shape.

[0135] The estimated part volume refers to the volume corresponding to the estimated part shape. The estimated part shape is split into various preset reference shapes, and the estimated part volume is obtained by combining the dimensions corresponding to the estimated part shape with the split reference shapes. The reference shapes are trapezoids, squares, triangles, etc. set by technicians.

[0136] Step S701: Determine whether the estimated part volume is greater than a preset reference part volume.

[0137] The reference part volume is the minimum volume of the corresponding stack of parts set by the technician. By determining whether the estimated part volume is greater than the reference part volume, it is determined whether there is any stacking of parts on the conveyor.

[0138] Step S7011: If the estimated part volume is not greater than the reference part volume, continue to determine the part type.

[0139] When the estimated part volume is not greater than the reference part volume, it indicates that there is no stacking of parts on the conveyor belt, so step S607 is continued.

[0140] Step S7012: If the estimated part volume is greater than the reference part volume, stacking and combining are performed according to the preset reference part volumes corresponding to each part type to form different reference stacking volumes and reference stacking shapes corresponding to the reference stacking volumes.

[0141] The reference part volume is the reference volume corresponding to each part type set by the technician. The reference stacking volume refers to the volume corresponding to the stacking of different part types, and the reference stacking shape refers to the shape of the parts stacking corresponding to the reference stacking volume. When the estimated part volume is greater than the reference part volume, it means that there is stacking of parts on the conveyor belt. Therefore, the volume formed by stacking different shapes of the preset reference part volumes corresponding to each part type is used as the reference stacking volume, and the shape of the stack corresponding to the reference stacking volume is used as the reference stacking shape.

[0142] Step S702: Based on different reference stacking volumes, a reference stacking shape corresponding to the estimated part volume is selected as a marked stacking shape.

[0143] The marked stacking shape refers to a reference stacking shape whose reference stacking volume is consistent with the estimated part volume. The marked stacking shape is obtained by selecting a reference stacking shape corresponding to the estimated part volume from different reference stacking volumes.

[0144] Step S703: Based on different marked stacking shapes, a marked stacking shape corresponding to the estimated part shape is selected as a selected stacking shape.

[0145] The selected stacking shape refers to a marked stacking shape that is consistent with the estimated part shape, and the marked stacking shape that is consistent with the estimated part shape is selected from different marked stacking shapes as the selected stacking shape.

[0146] Step S704: controlling a preset wind wall device to blow air according to the selected stacking shape to blow down the stacked components.

[0147] The stacking shape is selected for analysis to control the wind wall device to blow down the stacked components. For the specific blowing method, refer to steps S800 to S807.

[0148] The method of blowing off the stacked parts comprises the following steps: Step S800: Acquire the wind wall blowing direction of the wind wall device.

[0149] The blowing direction of the wind wall refers to the direction in which the wind wall device blows air, and the conveying direction of the conveyor belt corresponding to the baffle is used as the blowing direction of the wind wall. The wind wall device refers to a device used to generate an air curtain.

[0150] Step S801: Determine stacking parts according to the selected stacking shape.

[0151] Stacked parts refer to parts stacked on other parts on the conveyor belt. The shapes corresponding to the parts stacked on other parts are retrieved from the selected stacked shapes, and the retrieved shapes are matched with the parts corresponding to the part type in the shape database as stacked parts.

[0152] Step S802: Determine the weight value and stacking position of the stacked parts according to the stacked parts and the selected stacking shape.

[0153] The weight value of stacked parts refers to the weight value of stacked parts. The weight value of stacked parts is matched from the shape database by stacking the parts. The shape database also stores the weight values ​​corresponding to different parts, which will not be elaborated here.

[0154] The stacking position refers to the position where the stacked part is stacked on other parts. The position where the shape corresponding to the stacked part intersects with the shapes of other parts is selected from the stacking shape as the stacking position.

[0155] Step S803: determining the actual blow-off position according to the stacking position and the selected stacking shape.

[0156] The actual blowing position refers to the position where the wind wall device actually blows off the stacked parts. The stacking blowing position is matched from the preset stacking database through the stacking position and the selected stacking shape. The stacking database stores the stacking blowing positions corresponding to different stacking positions and selected stacking shapes in different stacking methods. The stacking database is a manually set database and will not be described in detail here.

[0157] Step S804: determining the blow-off rotation angle according to the actual blow-off position and the blowing direction of the wind wall.

[0158] The blow-off rotation angle refers to the angle at which the turntable device rotates to facilitate the wind wall device to blow off the stacked parts. The nearest position relative to the blowing direction of the wind wall is marked from the selected stacking shape, and the marked position is combined with the actual blow-off position to obtain a vector angle as the blow-off rotation angle.

[0159] Step S805: Determine the stacking blowing power based on the stacked parts weight value and the blocking distance.

[0160] The stacking blowing power refers to the power of the wind wall device to blow down the stacked parts. The stacking blowing power is matched from the preset blowing database according to the weight value of the stacked parts and the blocking distance. The blowing database stores the stacking blowing powers corresponding to different stacking part weight values ​​and blocking distances. The blowing database is a manually set database and will not be described in detail here.

[0161] Step S806: rotating the components at the part position based on the blow-off rotation angle, and controlling the wind wall device to operate at the stacking blowing power to blow off the stacked components.

[0162] The turntable device is controlled to blow off the parts at the rotating part position at a rotation angle, and the wind wall device is controlled to operate at the stacking blowing power to blow off the stacked parts.

[0163] Based on the same inventive concept, an embodiment of the present invention provides an automatic assembly system based on a car USB connector, comprising: An acquisition module is used to acquire component image information, scanning information, labels, extrusion positions, assembly image information, sound detection information, shaking positions, placement quantity, test information, test labels, image detection information, blowing range, wind wall blowing direction, blockage estimation specifications, and wind speed information; A memory for storing a program of an automatic assembly method based on a car USB connector; The processor is used to load, execute and implement the program stored in the memory.

[0164] Those skilled in the art can clearly understand that for the convenience and simplicity of description, only the division of the above-mentioned functional modules is used as an example. In actual applications, the above-mentioned functions can be assigned to different functional modules as needed, that is, the internal structure of the device is divided into different functional modules to complete all or part of the functions described above. The specific working process of the system, device and unit described above can refer to the corresponding process in the aforementioned method embodiment, and will not be repeated here.

[0165] The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. An automatic assembly method based on a car USB connector, characterized in that: include: Obtaining component image information of a circuit board (2); Determine the placement position according to component image information and preset circuit board features; Controlling the circuit board (2) to move to a preset static electricity removal position based on the placement position, and obtaining scanning information of a preset code scanning position on the circuit board (2); Based on the scanned information, the scanned information is input into a preset label to form a circuit board label, and the circuit board label is pasted on a preset pasting position of the housing (1); Clamping the circuit board (2) and the housing (1) in a preset assembly posture at a static electricity removal position for assembly, and obtaining a preset extrusion position of the extrusion device after the circuit board (2) and the housing (1) are assembled; Controlling the assembled housing (1) to move to a pressing position and to press and assemble it with a preset base (3) to form a joint, inspecting the joint based on a preset inspection and processing method, and obtaining assembly image information of the joint; When the assembly image information does not show the preset abnormal features, the control joint is moved to the preset qualified area.

2. The automatic assembly method based on the automotive USB connector according to claim 1, characterized in that: The preset inspection processing methods include: Control the joint to shake with a preset shaking amplitude and shaking times, and obtain sound detection information and the shaking position of the joint; Determine the location of the sound source based on the sound detection information; Determine whether the sound source position coincides with the shaking position; If the sound source position does not coincide with the shaking position, the control joint is moved to the preset aging position for aging treatment; If the sound source position coincides with the shaking position, the sound corresponding to the shaking position is retrieved based on the sound detection information and defined as abnormal sound information; determining the type of abnormality based on the abnormal sound information; According to the abnormal type, the preset alarm information is output, and the joint corresponding to the abnormal type is controlled to move to the preset unqualified area.

3. The automatic assembly method based on the automotive USB connector according to claim 1, characterized in that: The preset inspection processing methods also include: Determine the aging temperature and target aging position according to the scanning information and the aging position; Control the joint to move to the target aging position and obtain the number of joints placed in the aging device; When the placement quantity is consistent with the preset reference quantity, the joint is aged based on the aging temperature and the target aging position, and the aging time of the joint is obtained; When the aging time is consistent with the preset reference time, the joint at the target aging position is controlled to move to the preset cooling position; The aged joint is cooled at a cooling position for a preset reference cooling time, and after the joint is cooled, the joint is controlled to move to a preset inspection position and inspected.

4. The automatic assembly method based on the automotive USB connector according to claim 3 is characterized in that: Methods for inspecting joints include: Determine the running program based on the scan information; Control the preset joint sample to move to the preset inspection position and obtain the test start information; When the test start information is consistent with the preset reference start information, the joint sample is tested based on the running program, and the test information and the count quantity are obtained; When the test information is consistent with the preset reference test information, the joint sample is removed and the joint is controlled to move to a preset inspection position and the count quantity is reset, and the test information is re-acquired; When the updated test information is consistent with the preset abnormal information, the control joint moves to the preset unqualified area; When the updated test information is consistent with the preset qualified information, the test information and the count quantity are input into the preset label to form a test label, and the test label is pasted on the pasting position.

5. The automatic assembly method based on the automotive USB connector according to claim 1, characterized in that: Before obtaining the component image information of the circuit board (2), the method further includes: Obtaining the image detection information on the preset conveyor belt; When the image detection information includes a preset component feature, determining the component position according to the image detection information and the component feature; Determine the part type and target part shape by using the preset blowing classification method according to the part position; Determine the part base shape according to the part type; Determine the reference blowing force point based on the reference shape of the part; The rotation vector angle is determined according to the target part shape, the reference blowing force point and the preset conveying direction, and when the part position coincides with the preset rotation position, the part is controlled to rotate at the rotation vector angle; Determine the sorting position and blowing position based on part type; Determine the blowing angle and blowing power according to the classification position, part position and part type; When the part position coincides with the blowing position, the preset wind wall device is controlled to operate at a blowing angle and blowing power.

6. The automatic assembly method based on the automotive USB connector according to claim 5, characterized in that: The preset blowing classification methods include: When the image detection information includes a preset component feature, a wind wall device preset on the conveyor belt is controlled to operate at a preset reference power, and a blowing range of the wind wall device is obtained; When the position of the part falls within the blowing range, the preset baffle is controlled to rise and fall to the preset shape detection position, and the estimated blocking specifications of the part on the baffle and the wind speed information corresponding to the estimated blocking specifications are obtained; Determine the blocking distance based on the position of the parts and the reference blowing position of the preset wind wall device; Update the blocking estimation specification according to the blocking distance and the wind speed corresponding to the reference power; According to the updated blockage estimation specification, the blockage estimation height and blockage estimation length are retrieved; Determine an estimated width of the obstruction corresponding to the estimated length of the obstruction based on the wind speed information; Determine an estimated part shape according to an estimated block height, an estimated block length, and an estimated block width, and use the estimated part shape as a target part shape; The part type is determined based on the target part shape, and the stopper is controlled to move to a preset reset position.

7. The automatic assembly method based on the automotive USB connector according to claim 6, characterized in that: Methods after determining the estimated part shape include: Determine the estimated part volume based on the estimated part shape; Determine whether the estimated part volume is greater than a preset reference part volume; If the estimated part volume is not greater than the reference part volume, continue to determine the part type; If the estimated part volume is larger than the reference part volume, stacking and combining are performed according to preset reference part volumes corresponding to each part type to form different reference stacking volumes and reference stacking shapes corresponding to the reference stacking volumes; Based on different reference stacking volumes, a reference stacking shape corresponding to the estimated part volume is selected as a marked stacking shape; Based on different marked stacking shapes, a marked stacking shape corresponding to the estimated part shape is selected as a selected stacking shape; According to the selected stacking shape, the preset wind wall device is controlled to blow air to blow down the stacked parts.

8. The automatic assembly method based on the automotive USB connector according to claim 7, characterized in that: Methods for blowing off stacked parts include: Obtain the wind direction of the wind wall device; Determine the stacking parts according to the selected stacking shape; Determine the weight value and stacking position of the stacked parts according to the stacked parts and the selected stacking shape; Determine the actual blow-off position based on the stacking position and selected stacking shape; Determine the blow-off rotation angle based on the actual blow-off position and the blowing direction of the wind wall; Determine the stacking blowing power based on the weight value of the stacked parts and the blocking distance; The components at the part position are rotated based on the blow-off rotation angle, and the wind wall device is controlled to operate at the stacking blowing power to blow off the stacked components.

9. An automatic assembly system based on automotive USB connector, characterized in that: include: An acquisition module is used to acquire component image information, scanning information, labels, extrusion positions, assembly image information, sound detection information, shaking positions, placement quantity, test information, test labels, image detection information, blowing range, wind wall blowing direction, blockage estimation specifications, and wind speed information; A memory for storing a program of an automatic assembly method based on a car USB connector according to any one of claims 1 to 8; The processor is used to load, execute and implement the program stored in the memory.

10. An automotive USB connector, assembled using an automatic assembly method based on an automotive USB connector according to any one of claims 1 to 8, characterized in that: The invention comprises a housing (1), a circuit board (2) and a base (3); the housing (1) is provided with a cavity (4) for accommodating the circuit board (2); the circuit board (2) is provided with a PIN needle (5); an end of the circuit board (2) close to the PIN needle (5) faces the cavity of the housing (1); the base (3) is provided with the buckle (6); and the housing (1) is provided with a slot (7) for the buckle (6) to be fixed by the buckle (6) by buckling.

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