CN-115939900-B - Electric connector assembling method

CN115939900BCN 115939900 BCN115939900 BCN 115939900BCN-115939900-B

Abstract

The invention relates to an electric connector assembling method which is applied to electric connector assembling equipment and comprises the steps of controlling a bearing seat to move to a first preset detection position so as to detect the exposed length of a metal contact piece at the end part of a cable relative to a limit groove to ensure the correct placement position of the metal contact piece, controlling a plug-in component to move to a second preset detection position so as to detect hole position information of an opening on an electric connector body, controlling a first clamping mechanism to clamp the cable to be placed on a pre-plug-in position of a positioning mechanism, and adjusting the position of the plug-in component according to the cable placement position and the hole position information on the positioning mechanism so as to enable the position of a target opening to be plugged to coincide with the pre-plug-in position in a Y direction to finish the plug-in process between the two. The accuracy of the position of the electric connector and the position of the cable are guaranteed by detecting the position information of the electric connector and the position of the cable, so that the plugging process of the electric connector and the cable can be automatically completed.

Inventors

LIN JING
KANG JINGRAN
LIN JIANRUI
WANG ZIJIAN
XIAO BOJUN
WANG ZHANGWEI
Lian Boyang
LIU DONG

Assignees

浙江西图盟数字科技有限公司

Dates

Publication Date: 20260512
Application Date: 20230106

Claims (9)

1. An electrical connector assembly method, characterized in that the method is applied to an electrical connector assembly device comprising a cable gripping assembly and a plugging assembly, the cable gripping assembly comprising a carrier (1), a positioning mechanism (2) and a first clamping mechanism (3), the method comprising: When detecting that cables are correspondingly placed in part or all of the limit grooves (101) of the bearing seat (1), controlling the bearing seat (1) to move to a first preset detection position so as to detect the exposure length of a metal contact piece at the end of the cable relative to the limit grooves (101) to ensure the correct placement position, wherein a first industrial camera (12) is arranged in the opposite direction of the first preset detection position, the first industrial camera (12) judges the position relationship between the cable and the limit grooves (101) by shooting pictures on the cable and the limit grooves (101), and a clamping part is arranged on the metal contact piece, and when the cable is placed in the limit grooves (101), the clamping part is clung to the front end face of the limit grooves (101), and the device further comprises a controller, wherein the first industrial camera (12) is electrically connected with the controller; The wire feeding device is characterized in that a pressing mechanism (16) with the bottom inclined forwards is arranged behind the first clamping mechanism (3), a pressing piece (20) is arranged behind the pressing mechanism (16), a guide seat (19) is correspondingly arranged below the pressing piece (20), and the positioning mechanism (2) comprises a wire feeding seat (21); the first clamping mechanism (3) is controlled to clamp the cable to be placed at a pre-plugging position of the positioning mechanism (2); The position of the plugging component is adjusted according to the cable placing position and the hole position information on the positioning mechanism (2), so that the position of a target hole to be plugged is overlapped with the pre-plugging position in the Y direction to complete the plugging process of the metal contact and the target hole of the electric connector body (9); the number of cables placed on the bearing seat (1) is the same as the number of holes on the electric connector body (9), a plurality of limit grooves (101) on the bearing seat (1) are arranged at equal intervals, and an X-direction moving module (10) is fixedly arranged below the bearing seat (1).
2. The method of assembling an electrical connector according to claim 1, wherein detecting information about the hole site of the opening in the electrical connector body (9) comprises, before: controlling the second industrial camera (13) to shoot the electric connector body (9) to obtain a target image, wherein a hole site number is correspondingly arranged beside a hole of the electric connector body (9); judging whether the hole site numbers displayed by the target image are clear or not according to the target image; if the electric connector body (9) clamped by the plug assembly is clear, the electric connector body is judged to be in a horizontal state, and the axial direction of the electric connector body is positioned in the Y direction.
3. The method according to claim 2, wherein adjusting the position of the plugging assembly according to the cable placement position on the positioning mechanism (2) and the hole position information so that the position of the target hole to be plugged coincides with the pre-plugging position in the Y direction comprises: Obtaining Z coordinates and X coordinates of the holes to be spliced according to the hole site information; And comparing the Z coordinates and the X coordinates of all the holes to be plugged, and selecting the hole to be plugged with the minimum Z coordinate and the maximum X coordinate as a target hole.
4. The method for assembling an electrical connector according to claim 1, wherein a pressing mechanism (16) with a bottom inclined forward is provided behind the first clamping mechanism (3), wherein the first clamping mechanism (3) is controlled to clamp the cable to be placed at a pre-plugging position of the positioning mechanism (2), and the wire feeding seat (21) is provided with a wire feeding groove (211), and then the method comprises: The pressing mechanism (16) is controlled to descend to be abutted against the cable in the wire feeding groove (211) and then rotate around the fixed seat (17) rotatably connected with the wire feeding groove, so that the bottom roller (161) rolls along the extending direction of the wire feeding groove to press the cable and the metal contact piece of the cable into the positioning mechanism (2).
5. The method for assembling an electrical connector according to claim 4, wherein a pressing member (20) is provided behind the pressing mechanism (16), a guide holder (19) is provided below the pressing member (20), and the positioning mechanism (2) includes a wire feeding holder (21), and the method further includes: And in the descending process of the pressing mechanism (16), simultaneously controlling the pressing piece (20) to descend to press and abut against the bottom of the guide groove (191) of the guide seat (19) at the corresponding position of the cable, so that the pressing process of the cable and the metal contact piece thereof in the wire feeding seat (21) is finished by controlling the pressing mechanism (16) to continue to descend.
6. The method for assembling an electrical connector according to claim 5, wherein a clamping assembly (22) is provided between the guide holders (19), The clamping assembly (22) comprises two clamping pieces which are symmetrically arranged based on the axial direction of the wire feeding seat (21), and is characterized in that the method further comprises: When the pressing process of the cable and the metal contact piece is completed, the two clamping pieces are controlled to move relatively so as to clamp the position And a cable therebetween to facilitate the completion of the plugging process of the metal contacts and the electrical connector body (9).
7. Method of assembling an electrical connector according to claim 1, characterized in that the insertion process of the metal contact into the target opening of the electrical connector body (9) is completed, after which it comprises: the plug assembly holding the electric connector body (9) is controlled to move in a direction away from the positioning mechanism (2) and return to an initial position so as to draw out the cable from the positioning mechanism (2).
8. The method for assembling an electrical connector according to claim 7, wherein a liftable winding assembly (15) is provided between the plug assembly and the positioning mechanism (2) in an initial position, the initial position of the winding assembly (15) being provided in the wire storage slot, the winding assembly (15) comprising two rollers arranged in parallel, the method further comprising: In the process that the plug-in component clamped with the electric connector body (9) moves in the direction away from the positioning mechanism (2), the winding component (15) is controlled to be lifted at the same time so as to cling the cable between the two rollers; the control rotates around the respective axial directions based on mutually opposite rotation directions to draw out all the cables in the positioning mechanism (2) so as to enable the cables to be received in the wire storage groove.
9. The method for assembling an electrical connector according to claim 1, wherein the plurality of limit grooves (101) on the carrier (1) are arranged at equal intervals, and an X-direction moving module (10) is fixedly arranged below the carrier (1), and the method is characterized in that the plugging process of the metal contact and the target opening of the electrical connector body (9) is completed, and then comprises the following steps: Controlling the X-direction moving module (10) to move along the X-direction by a preset distance so as to enable adjacent limiting grooves (101) of the limiting grooves (101) corresponding to the cables which are spliced at present to move to a cable pre-clamping position; The preset distance is the distance between the adjacent limiting grooves.

Description

Electric connector assembling method Technical Field The present invention relates to the field of automated assembly technologies, and in particular, to an electrical connector assembly method. Background The electric connector is mainly used for realizing the transmission of low-frequency signals, high-frequency signals and electric energy (power), and is an important interface element of an electric system. The variety of the electric connector is various, and the electric connector is widely applied to the fields of intelligent manufacturing, aerospace, instruments and meters and the like, and the performance and the connection quality of the electric connector directly influence the stability and the reliability of an electric system. Electrical connectors used directly in electrical systems are typically cable-plugged electrical connectors, which comprise two parts, an electrical connector body and a cable with metal contacts at the ends. The assembly method of the electric connector body and the cable comprises the steps of fixing metal contacts on the cable on a special wire feeder, inserting the wire feeder into holes of the electric connector body, enabling the metal contacts to be clamped at the interface part of the electric connector, pulling out the wire feeder to leave the inserted cable, repeating the operation, continuing the insertion of the rest cables until all holes on the electric connector body are inserted with the cable, and completing the assembly of the whole electric connector. The assembly of the electric connector by adopting manpower has the problems of high labor cost and low efficiency, and the quality problems of missing or not inserting well and the like are easy to occur. Accordingly, there is a need to provide an electrical connector assembly method for automatically completing an electrical connector assembly process and effectively securing the production quality of the electrical connector and effectively improving the assembly efficiency, so as to solve the above-mentioned technical problems. Disclosure of Invention In order to solve the above technical problems, the present invention provides an electrical connector assembly method. The technical problems that in the prior art, the electric connector is easy to be assembled and is easy to be inserted in a missed manner or not, the labor cost is high and the production efficiency is low are solved. The technical effects of the invention are realized by the following steps: An electrical connector assembly method applied to an electrical connector assembly apparatus comprising a cable gripping assembly and a plugging assembly, the cable gripping assembly comprising a carrier seat, a positioning mechanism and a first clamping mechanism, the method comprising: Under the condition that cables are correspondingly placed in part or all of the limit grooves of the bearing seat one by one, controlling the bearing seat to move to a first preset detection position so as to detect the exposed length of the metal contact piece at the end part of the cable relative to the limit grooves and ensure that the placement position of the metal contact piece is correct; under the condition that the electric connector body is clamped on the plug assembly is detected, controlling the plug assembly to move to a second preset detection position so as to detect hole position information of a hole on the electric connector body; The first clamping mechanism is controlled to clamp the cable to be placed at a pre-plugging position of the positioning mechanism; the position of the plugging component is adjusted according to the cable placing position and the hole position information on the positioning mechanism, so that the position of the target opening to be plugged is overlapped with the pre-plugging position in the Y direction, and the plugging process of the metal contact and the target opening of the electric connector body is completed; The number of the cables placed on the bearing seat is the same as the number of the holes on the electric connector body. Further, a first industrial camera is arranged in the opposite direction of the first preset detection position, a second industrial camera is arranged in the opposite direction of the second preset position, the first industrial camera judges the position relationship between the cable and the limiting groove by taking pictures of the cable and the limiting groove, and the second industrial camera judges the position information of the cable by taking pictures of the electric connector body. The corresponding image information of the electric connector body and the cable is acquired through the industrial camera, so that the cable placement position can be rapidly detected and the hole position of the electric connector body can be positioned according to the acquired image information by utilizing the visual detection algorithm, automatic splicing between the cable and the electric c