CN219416114U - Connector terminal flatness accurate detection mechanism - Google Patents

Abstract

The utility model relates to a connector terminal flatness accurate detection mechanism which comprises a bottom plate, a positioning jig, a linear module, a laser transmitter, a laser receiver and a CCD camera, wherein the bottom plate is arranged on the bottom plate; the bottom plate is provided with a sliding rail, the sliding rail is movably provided with a sliding seat, and the positioning jig is detachably connected with the top of the sliding seat; the top of the positioning jig is provided with a profiling positioning groove; the linear module is vertically arranged on the vertical frame, and the vertical frame is arranged in a bilateral symmetry mode relative to the positioning jig; the laser transmitters and the laser receivers are respectively positioned on the sliding plates of the two linear modules, and the positions of the laser transmitters and the laser receivers are corresponding; the CCD camera is positioned on the top frame, and the detection end of the CCD camera faces the positioning jig. The utility model can accurately detect the metal pins of the connector in the horizontal direction, can detect the metal pins which are bent at a small angle, improves the detection accuracy and reduces the probability of false detection.

Description

Connector terminal flatness accurate detection mechanism

Technical Field

The utility model relates to a connector terminal detection mechanism, in particular to a connector terminal flatness accurate detection mechanism.

Background

The connector comprises a plastic shell and metal pins, and the metal pins are arranged on the plastic shell of the connector in a linear array mode under the normal condition, so that the connector has an electric conduction function. For the connector with longer metal pins, the metal pins are in a slender structure, so that bending phenomenon is easy to occur.

Once the metal pins are bent, the metal pins cannot be accurately inserted into the slots of the corresponding terminals, so that the electrical connection is affected. Therefore, after the connector terminal is finished in production processing, a flatness detecting operation of the metal pins is required.

The prior art is as follows: 202120714820.2, bulletin number: CN215142332U, a chinese patent for patent entitled "patch pin flatness image detection device", describes the following technical scheme: the utility model provides a paster pin flatness image detection device, includes base support, conveying passageway, detection passageway and propelling movement unloading subassembly, the conveying passageway is installed on the base support, the detection passageway is installed in the tip of conveying passageway, the propelling movement unloading subassembly is installed in detection passageway one side, be equipped with image detection mechanism in the detection passageway; the image detection mechanism includes: the device comprises a through groove, a pair of direct light sources, a pair of transparent plates, a pair of image cameras, a pair of telescopic grooves, a pair of telescopic plugs, a pair of detection light sources and a pair of detection points; the detection channel is communicated with the conveying channel, a through groove is formed in the detection channel, a pair of parallel direct light sources are arranged on the top surfaces of two sides of the through groove, a pair of transparent plates are arranged on the two sides of the bottom surface of the through groove in the detection channel, a pair of image cameras are arranged in the transparent plates, two ends of the detection channel are respectively provided with a feed inlet and a discharge outlet, two ends of the detection channel are respectively provided with a pair of telescopic grooves, two sides of a telescopic assembly are respectively provided with a pair of telescopic inserting blocks, and two sides of the opposite end surfaces of the telescopic inserting blocks are respectively provided with a pair of detection light sources and a pair of detection points.

According to the scheme, the electronic element can be independently isolated and detected through the detection channel of the linear motion, the image detection mechanism is used for automatically comparing the image shooting of the pins of the electronic element with the standard element, whether the pins of the electronic element are deformed or not and the flatness of the pins of the electronic element are detected, and the unqualified products are pushed out by matching with the pushing and blanking assembly. Although the scheme can realize the detection of stitch flatness, the image camera of the image detection mechanism is perpendicular to the stitch of the electronic element, so that the metal stitch bent at a small angle cannot be accurately detected, and the probability of false detection is higher.

Disclosure of Invention

The purpose of the utility model is that:

the connector terminal flatness accurate detection mechanism is designed, can accurately detect the metal pins of the connector in the horizontal direction, can detect the metal pins which are bent at a small angle, improves the accuracy of detection, and reduces the probability of false detection.

In order to achieve the above object, the present utility model provides the following technical solutions:

a connector terminal flatness accurate detection mechanism comprises a bottom plate, a positioning jig, a linear module, a laser transmitter, a laser receiver and a CCD camera; the bottom plate is provided with a sliding rail, the sliding rail is movably provided with a sliding seat, and the positioning jig is detachably connected with the top of the sliding seat; the top of the positioning jig is provided with a profiling positioning groove; the linear module is vertically arranged on the vertical frame, and the vertical frame is arranged in a bilateral symmetry mode relative to the positioning jig; the laser transmitters and the laser receivers are respectively positioned on the sliding plates of the two linear modules, and the positions of the laser transmitters and the laser receivers are corresponding; the CCD camera is positioned on the top frame, and the detection end of the CCD camera faces the positioning jig.

Further, the sliding rail is horizontally arranged; the side surface of the sliding seat is provided with a locking screw; the positioning jig is detachably connected with the sliding seat through screws.

Further, the profiling locating grooves are arranged in a linear array along the length direction of the locating jig, and the profiling locating grooves are specifically positioned on the side edge of the top of the locating jig; the positioning jig is provided with a pressing frame, and the pressing frame corresponds to the upper and lower positions of the profiling positioning groove.

Further, the laser transmitter and the laser receiver are horizontally arranged, and the transmitting end of the laser transmitter faces the receiving end of the laser receiver; the positioning jig is located at a position between the laser transmitter and the laser receiver.

Further, the top frame is positioned at the upper end of the bottom plate and is L-shaped; the CCD camera is vertically arranged at the top of the top frame, and a linear light source is arranged below the CCD camera.

The beneficial effects of the utility model are as follows:

the utility model provides a connector terminal roughness precision detection mechanism combines sliding seat, positioning jig, sharp module, laser emitter, laser receiver and CCD camera's comprehensive utilization, can carry out the accurate detection of horizontal direction to the metal stitch of connector, but lifting movement's laser emitter carries out the level through upper portion and the lower part of laser to the metal stitch and shines, whether is sheltered from according to the laser, detects the metal stitch that takes place the bending of tiny angle, can promote the precision that detects by a wide margin to reduce the probability of wrong detection, promote the qualification rate of the connector product of dispatching from the factory.

Drawings

Fig. 1 is an isometric view of an overall structure of a connector terminal flatness accurate detecting mechanism according to the present utility model.

Fig. 2 is another schematic view of the structure of fig. 1.

Fig. 3 is a schematic view showing a state that the connector terminal flatness accurate detecting mechanism detects the connector terminal according to the present utility model.

Reference numerals for components in the drawings:

1. a bottom plate; 2. a sliding seat; 21. a slide rail; 22. a locking screw; 3. positioning jig; 31. a compacting frame; 4. a vertical frame; 5. a linear module; 6. a laser emitter; 7. a laser receiver; 8. a top frame; 9. a CCD camera; 10. a linear light source.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the detailed description and related preferred, examples, while indicating the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 3, a connector terminal flatness accuracy detecting mechanism includes a base plate 1, a positioning jig 3, a linear module 5, a laser emitter 6, a laser receiver 7, and a CCD camera 9; the bottom plate 1 is provided with a sliding rail 21, the sliding rail 21 is movably provided with a sliding seat 2, the sliding seat 2 can horizontally slide along the sliding rail 21, position adjustment is realized, the positioning jig 3 is detachably connected with the top of the sliding seat 2, and the positioning jig 3 is used for positioning a connector terminal product to be detected; the top of the positioning jig 3 is provided with a profiling positioning groove for placing a connector terminal product to be detected; the linear module 5 is vertically arranged on the vertical frame 4, and the vertical frame 4 is arranged in a bilateral symmetry manner relative to the positioning jig 3; the laser transmitters 6 and the laser receivers 7 are respectively positioned on the sliding plates of the two linear modules 5, the linear modules 5 are used for driving the laser transmitters 6 or the laser receivers 7 connected with the linear modules to move up and down, the positions of the laser transmitters 6 and the laser receivers 7 correspond to each other, and the laser receivers 7 are used for receiving laser emitted from the laser transmitters 6; the CCD camera 9 is located on the top frame 8, and the detection end of the CCD camera 9 faces the positioning jig 3, and the CCD camera 9 is used for carrying out visual detection on a connector terminal product and detecting whether a metal pin missing phenomenon exists.

The slide rail 21 is horizontally arranged; the side surface of the sliding seat 2 is provided with a locking screw 22, and the locking screw 22 is used for locking the position of the sliding seat 2; the positioning jig 3 is detachably connected with the sliding seat 2 specifically through a screw, and the positioning jig 3 can be selected according to the model of a product.

The profiling locating grooves are arranged in a linear array along the length direction of the locating jig 3, so that a plurality of connector terminals can be located and clamped at the same time, and the profiling locating grooves are particularly positioned on the side edge of the top of the locating jig 3, so that metal pins can laterally protrude out of the locating jig 3; the positioning jig 3 is provided with a pressing frame 31, and the pressing frame 31 corresponds to the upper and lower positions of the profiling positioning groove, and the pressing frame 31 is used for pressing and fixing the connector terminal product.

The laser transmitter 6 and the laser receiver 7 are horizontally arranged, the transmitting end of the laser transmitter 6 faces the receiving end of the laser receiver 7, and the laser transmitter 6 and the laser receiver 7 are of the prior art; the positioning jig 3 is located at a position between the laser emitter 6 and the laser receiver 7, and the laser emitter 6 irradiates horizontal laser rays toward the upper and lower sides of the metal pins of the connector terminal product, thereby realizing the detection of flatness.

The top frame 8 is positioned at the upper end of the bottom plate 1, and the top frame 8 is L-shaped; the CCD camera 9 is vertically arranged at the top of the top frame 8, the top frame 8 is used for fixing the CCD camera 9, a linear light source 10 is arranged below the CCD camera 9, and the linear light source 10 is used for polishing.

The working mode of the utility model is as follows:

firstly, selecting a corresponding positioning jig 3 according to the model of a connector terminal to be detected, and connecting the positioning jig 3 with the top end of a sliding seat 2 through a screw; placing the connector terminal to be detected into a profiling positioning groove on the positioning jig 3, then locking a pressing frame 31 at the upper end of the positioning jig 3 through another screw, and pressing and positioning the connector terminal product in the profiling positioning groove by the pressing frame 31;

then, according to the length of the metal pins of the connector terminal, the specific position of the sliding seat 2 on the sliding rail 21 is adjusted, and after the sliding seat is adjusted in place, the locking screw 22 is screwed down to realize position fixing;

then the two linear modules 5 synchronously act to respectively drive the laser emitter 6 and the laser receiver 7 to move downwards, when the laser emitter 6 and the laser receiver 7 move to a position which is flush with the top ends of the metal pins, the linear modules 5 stop, the laser emitter 6 emits laser, and the laser horizontally sweeps over the upper parts of the metal pins of the connector terminals until the laser emitter 7 receives the laser; if the metal pins are bent, the laser rays are partially or completely shielded; the laser receiver 7 can accurately receive the blocked condition of the laser light and feed back the related signals to an external computer;

next, the two linear modules 5 synchronously act to respectively drive the laser transmitter 6 and the laser receiver 7 to move downwards, when the laser transmitter 6 and the laser receiver 7 move to a position which is flush with the bottom ends of the metal pins, the linear modules 5 stop, the laser transmitter 6 emits laser, and the laser horizontally sweeps over the upper parts of the metal pins of the connector terminals until the laser transmitter 7 receives the laser; the laser receiver 7 can accurately receive the blocked condition of the laser light and feed back the related signals to an external computer;

the external computer judges whether the metal pins have bending phenomenon or not and the bending degree according to the signals of the laser receiver 7;

the linear light source 10 shines downwards, and the CCD camera 9 shoots and recognizes whether the connector terminal has the bad phenomenon of metal pin missing, so as to finish the detection of the metal pins.

The above examples are provided to further illustrate the utility model and do not limit the utility model to these specific embodiments. Any modification, equivalent replacement, improvement, and extension etc. made within the spirit and principle described in the present utility model should be construed as being within the protection scope of the present utility model.

Claims (5)

1. The utility model provides a accurate detection mechanism of connector terminal roughness which characterized in that: comprises a bottom plate (1), a positioning jig (3), a linear module (5), a laser emitter (6), a laser receiver (7) and a CCD camera (9); the bottom plate (1) is provided with a sliding rail (21), the sliding rail (21) is movably provided with a sliding seat (2), and the positioning jig (3) is detachably connected with the top of the sliding seat (2); the top of the positioning jig (3) is provided with a profiling positioning groove; the linear module (5) is vertically arranged on the vertical frame (4), and the vertical frame (4) is arranged in a bilateral symmetry mode relative to the positioning jig (3); the laser transmitters (6) and the laser receivers (7) are respectively positioned on the sliding plates of the two linear modules (5), and the positions of the laser transmitters (6) and the laser receivers (7) are corresponding; the CCD camera (9) is positioned on the top frame (8), and the detection end of the CCD camera (9) faces the positioning jig (3).

2. The precise detection mechanism for flatness of connector terminals of claim 1, wherein: the sliding rail (21) is horizontally arranged; a locking screw (22) is arranged on the side surface of the sliding seat (2);

the positioning jig (3) is detachably connected with the sliding seat (2) specifically through screws.

3. The precise detection mechanism for flatness of connector terminals of claim 2, wherein: the profiling locating grooves are arranged in a linear array along the length direction of the locating jig (3), and the profiling locating grooves are specifically positioned on the side edge of the top of the locating jig (3); the positioning jig (3) is provided with a pressing frame (31), and the pressing frame (31) corresponds to the upper and lower positions of the profiling positioning groove.

4. The precise detection mechanism of connector terminal flatness of claim 3, wherein: the laser transmitter (6) and the laser receiver (7) are horizontally arranged, and the transmitting end of the laser transmitter (6) faces the receiving end of the laser receiver (7); the positioning jig (3) is positioned between the laser transmitter (6) and the laser receiver (7).

5. The precise detection mechanism for flatness of connector terminals of claim 4, wherein: the top frame (8) is positioned at the upper end of the bottom plate (1), and the top frame (8) is L-shaped; the CCD camera (9) is vertically arranged at the top of the top frame (8), and a linear light source (10) is arranged below the CCD camera (9).