CN220822158U - Automatic production line for multi-stage detection, cutting, riveting and twisting of integrated connector - Google Patents

Abstract

The utility model belongs to the technical field of connector production equipment, and particularly relates to an integrated connector multistage detection riveting and screwing automatic production line which comprises a base, a wire conveying device, a terminal riveting device, a soldering device and a nut screwing device, wherein a first detection device for detecting whether a wire is riveted with a preset terminal is arranged at the output end of the terminal riveting device; the output end of the soldering device is provided with a second detection device for detecting whether a soldering tin layer exists at the connection position of the riveted terminal and the wire rod; the output end of the nut screwing device is provided with a third detection device for detecting the nut gap in the screwed connector. Through multistage detection structure, carry out real-time detection with the station that a plurality of bad operating mode frequently in the connector production process, improve connector production yields effectively, and then improve production efficiency, reduction in production cost is favorable to the enterprise to develop.

Description

Automatic production line for multi-stage detection, cutting, riveting and twisting of integrated connector

Technical Field

The utility model belongs to the technical field of connector production equipment, and particularly relates to an integrated connector multistage detection cutting riveting and screwing automatic production line.

Background

The existing cable and connector processing technology is as follows: step one: cutting the cable to a preset length; step two: peeling two ends of the cut cable; step three: carrying out terminal pressing treatment on the peeled cable; step five: soldering the cable with the terminal; step four, a step four is carried out; the cable with the riveted terminals is inserted into the connector and the nut of the connector is tightened. The early processing stage is completed manually by different operators through different stations, the production efficiency is extremely low, the labor intensity is high, and the produced products are not uniform in standard.

For example, the application number is: CN201721577074.7, titled: the utility model patent of the automatic photovoltaic connecting wire harness assembling machine records "a photovoltaic connecting wire harness automatic assembling machine, a PLC controller: the device comprises a nut screwing mechanism, a finished product taking out mechanism, an inserting connector mechanism, a soldering tin mechanism, a terminal detecting mechanism, a riveting mechanism, a translation mechanism, a wire cutting and stripping mechanism, a front wire pressing mechanism, a rear wire pressing mechanism, a main air valve, a connector vibration disc, a wire feeding mechanism, an auxiliary mechanism, a pay-off rack and six wire taking mechanisms, wherein the six wire taking mechanisms are electrically connected with and controlled by the nut screwing mechanism, the finished product taking out mechanism, the inserting connector mechanism, the soldering tin mechanism, the terminal detecting mechanism, the riveting mechanism, the translation mechanism, the wire cutting and stripping mechanism, the front wire pressing mechanism, the rear wire pressing mechanism, the main air valve, the connector vibration disc, the wire feeding mechanism, the auxiliary mechanism, the pay-off rack and the six wire taking mechanisms; touch screen: the system is connected with the PLC, inputs instructions to the PLC and displays real-time states; a frame: the nut screwing mechanism, the inserting connector mechanism, the soldering tin mechanism, the terminal detection mechanism, the riveting mechanism, the translation mechanism, the wire cutting and stripping mechanism, the front wire pressing mechanism, the rear wire pressing mechanism, the wire feeding mechanism, the total air valve, the PLC and the touch screen are arranged and fixed on the device; the connector vibration disc, the auxiliary mechanism and the pay-off rack are arranged outside the rack; the finished product taking-out mechanism is fixed on the nut screwing mechanism. The structure reduces labor cost, saves occupied space and improves productivity.

As can be seen from the above, most of the photovoltaic connecting wire assembling devices in the prior art only detect the riveting effect of the terminal, however, in the process of automatic cable processing, there are many processes that require strict detection, such as solder effect detection, gap detection after screwing the nut, etc., and most of the photovoltaic connector assembling lines in the prior art lack a multi-stage detection structure, which results in that the production efficiency of the process that is partially prone to defective products cannot be effectively improved, and thus needs to be improved.

Disclosure of utility model

The utility model aims to provide an integrated connector multistage detection riveting and screwing automatic production line, and aims to solve the technical problems that in the automatic cable processing process in the prior art, the corresponding detection structure is lacking in detection stations such as tin soldering effect detection and gap detection after screwing nuts, so that the production efficiency of the corresponding process which is easy to generate defective products cannot be effectively improved, and improvement is needed.

In order to achieve the above purpose, the embodiment of the utility model provides an integrated connector multistage detection cutting riveting and screwing automatic production line, which comprises a machine base, a wire conveying device, a terminal riveting device, a soldering device and a nut screwing device, wherein the wire conveying device is arranged on the outer side of the machine base and is used for conveying a cable to the machine base; the terminal riveting device is arranged on the base and is positioned at the output end of the wire conveying device, and the terminal riveting device is used for riveting a terminal on a cable section with a preset length; the soldering device is arranged on the base and is positioned at the output end of the terminal riveting device, and the soldering device is used for forming a soldering tin layer between the riveted cable and the terminal; the nut screwing device is arranged on the base and is used for screwing the soldered semi-finished workpiece into the mounting nut; the output end of the terminal riveting device is provided with a first detection device for detecting whether a wire rod is riveted with a preset terminal or not; the output end of the soldering device is provided with a second detection device for detecting whether a soldering tin layer exists at the connection position of the riveted terminal and the wire rod; the output end of the nut screwing device is provided with a third detection device for detecting the nut gap in the screwed connector.

Optionally, the first detection device includes first mount pad and first sensing unit, the mount pad sets up the output of terminal riveting set, first sensing unit sets up on the first mount pad, the response end of first sensing unit is towards on terminal and the cable travel path after the riveting connection.

Optionally, the first sensing unit is a flat diffuse reflection photoelectric switch.

Optionally, the second detection device and the structure of the second detection device are the same, the second detection device comprises a mounting frame and a visual detection unit, the mounting frame is arranged on the machine base and located on the moving path of the workpiece, and the visual detection unit is arranged on the mounting frame.

Optionally, a transferring manipulator for step-by-step conveying the workpiece is arranged on the base, and a plurality of groups of first clamping limiting assemblies are arranged on the transferring manipulator at intervals.

Optionally, the wire conveying device comprises a cable loading mechanism, a cable straightening mechanism and a wire stripping and cutting mechanism; the cable loading mechanism is used for loading the cable coil; the cable straightening mechanism is used for shaping the cable output by the cable loading mechanism; the wire stripping cutting mechanism is arranged on the machine base and is used for cutting the cable output by the cable straightening mechanism to a preset length and stripping a coating layer at a preset position of the cable.

Optionally, the terminal riveting device comprises a terminal conveying mechanism, a terminal riveting mechanism and a residual material adsorption mechanism, wherein the terminal conveying mechanism is arranged on the stand and is used for conveying a material belt loaded with the connector terminals; the terminal riveting mechanism is arranged on the machine base and is positioned at the output end of the terminal conveying mechanism, and is used for riveting and connecting a terminal on a material belt to the end part of a cable with preset length output by the cable conveying device; the residual material adsorption mechanism is arranged at the material belt output end of the terminal riveting mechanism and used for collecting residual material belts.

Optionally, the soldering device comprises a tin-plating mechanism and a welding mechanism, wherein the tin-plating mechanism is arranged on the base and positioned at the output side of the terminal riveting device, and the tin-plating mechanism is used for plating the connection position of the cable and the terminal after the riveting; the welding mechanism is arranged at the output end of the tin spot welding mechanism and is used for spot welding tin materials positioned at the connection positions of the cable and the terminal, so that the tin materials form a tin soldering layer for stabilizing the connection structure of the cable and the terminal.

Optionally, the nut screwing device comprises a nut conveying mechanism, a nut mounting mechanism and a rotary screwing mechanism, wherein the output end of the nut conveying mechanism extends to the stand and is used for conveying nuts with preset sizes; the nut mounting mechanism is arranged on the base and positioned at the output end of the nut conveying mechanism, and is used for sleeving nuts on the soldered cables and terminals; the rotary tightening mechanism is used for driving the nut to rotate, so that the nut moves to a preset position along the thread groove of the workpiece in a rotary mode.

Optionally, the automatic production line for multi-stage detection, riveting and screwing of the integrated connector further comprises a blanking device, wherein the blanking device is arranged on the machine base and used for transferring the screwed connector to a preset blanking station.

The above technical scheme or schemes in the integrated connector multistage detection cutting riveting automatic production line provided by the embodiment of the utility model at least have one of the following technical effects: the multi-stage detection mechanism is additionally arranged on the basis of a traditional integrated connector assembly production line, for example, the detection of the welding effect of a tin layer after soldering tin and the detection of the gap after screwing a nut are provided, and the multi-stage detection is provided in the process of integrated production, so that operators can know the real-time working condition in time in the production process; compared with the technical problems that in the automatic processing process of the cable in the prior art, due to the fact that detection stations such as tin soldering effect detection and gap detection after screwing of nuts lack corresponding detection structures, the production efficiency of the corresponding process which is easy to produce defective products cannot be effectively improved, and improvement is needed, the multi-stage detection riveting automatic production line of the connector provided by the embodiment of the utility model is capable of detecting the stations frequently occurring in a plurality of defective working conditions in the production process of the connector in real time through the multi-stage detection structures, effectively improving the production yield of the connector, further improving the production efficiency, reducing the production cost and being beneficial to enterprise development.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an integrated connector multistage detection riveting automatic production line according to an embodiment of the present utility model.

Fig. 2 is an enlarged view of a in fig. 1.

Fig. 3 is an enlarged view of B in fig. 1.

Fig. 4 is a schematic structural view of a terminal riveting device according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a soldering device according to an embodiment of the present utility model.

Fig. 6 is a schematic structural view of a nut mounting mechanism according to an embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a nut conveying mechanism according to an embodiment of the present utility model.

Fig. 8 is a schematic structural view of a rotary tightening mechanism according to an embodiment of the present utility model

Wherein, each reference sign in the figure:

100-stand 200-wire conveyer 300-terminal riveting device

400-Soldering device 500-nut screwing device 600-first detection device

700-Second detection device 800-third detection device 610-first mounting base

620-First sensing unit 710-mounting frame 720-visual inspection unit

110-Transfer manipulator 120-first clamping limiting assembly 210-cable straightening mechanism

220-Wire stripping and cutting mechanism 310-terminal conveying mechanism 320-terminal riveting mechanism

330-Remainder adsorption mechanism 410-tin-plating mechanism 420-welding mechanism

510-Nut delivery mechanism 520-nut mounting mechanism 530-rotary tightening mechanism

521, Driving source 522, rotating frame 531, rotating assembly

532-A feeding assembly 900-a discharging device.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 8 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 8, an integrated connector multi-stage detection automatic production line for riveting and screwing is provided, which comprises a stand 100, a wire conveying device 200, a terminal riveting device 300, a soldering device 400 and a nut screwing device 500, wherein the wire conveying device 200 is arranged at the outer side of the stand 100 and is used for conveying a cable to the stand 100; the terminal riveting device 300 is arranged on the machine base 100 and is positioned at the output end of the wire conveying device 200, and the terminal riveting device 300 is used for riveting a terminal on a cable section with a preset length; the soldering device 400 is disposed on the stand 100 and located at an output end of the terminal riveting device 300, and the soldering device 400 is used for forming a soldering layer between the riveted cable and the terminal; the nut screwing device 500 is arranged on the machine base 100 and is used for screwing the soldered semi-finished workpiece into a mounting nut; wherein, the output end of the terminal riveting device 300 is provided with a first detecting device 600 for detecting whether the wire has a preset terminal to be riveted; the output end of the soldering device 400 is provided with a second detecting device 700 for detecting whether a soldering layer exists at the connection position of the riveted terminal and the wire; the output end of the nut screwing device 500 is provided with a third detecting device 800 for detecting a nut gap in the screwed connector.

Specifically, a multistage detection mechanism is additionally arranged on the basis of a traditional integrated connector assembly production line, for example, the detection of the welding effect of a tin layer after soldering tin and the detection of the gap after screwing a nut are provided, and the multistage detection is provided in the integrated production process, so that an operator can know the real-time working condition in time in the production process; compared with the technical problems that in the automatic processing process of the cable in the prior art, due to the fact that detection stations such as tin soldering effect detection and gap detection after screwing of nuts lack corresponding detection structures, the production efficiency of the corresponding process which is easy to produce defective products cannot be effectively improved, and improvement is needed, the multi-stage detection riveting automatic production line of the connector provided by the embodiment of the utility model is capable of detecting the stations frequently occurring in a plurality of defective working conditions in the production process of the connector in real time through the multi-stage detection structures, effectively improving the production yield of the connector, further improving the production efficiency, reducing the production cost and being beneficial to enterprise development.

In this embodiment, the number of welding mechanism is two sets, and two sets of welding mechanism can with move and carry the manipulator cooperation and realize duplex position synchronous soldering tin, and then improve production efficiency.

As shown in fig. 1 to 3, further, the first detecting device 600 includes a first mounting seat 610 and a first sensing unit 620, the mounting seat is disposed at an output end of the terminal riveting device 300, the first sensing unit 620 is disposed on the first mounting seat 610, and an induction end of the first sensing unit 620 faces to a terminal and a cable moving path after press riveting connection. In this embodiment, the first sensing unit 620 is a flat diffuse reflection photoelectric switch. Specifically, the first sensing unit 620 is located directly below the moving path of the terminal and the cable, and when the riveted terminal and cable pass through the first sensing unit 620, the first sensing unit 620 can sense in real time whether the current cable has a leakage condition, and feed information back to a central control system of the production line, for example, a PLC control system or a digital control center, etc., so that an operator can adjust in time. The adoption of the flat diffuse reflection photoelectric switch is beneficial to improving the induction sensitivity and further improving the detection effect. The number of the first sensing units 620 is flexible, for example, the number of the first sensing units 620 in this embodiment is two, and two groups of the first sensing units 620 are adopted to simultaneously detect the terminals of two groups of workpieces on the transfer robot, thereby improving the detection efficiency and productivity.

As shown in fig. 1 to 3, further, the second detecting device 700 and the second detecting device 700 have the same structure, the second detecting device 700 includes a mounting frame 710 and a visual detecting unit 720, the mounting frame 710 is disposed on the stand 100 and is located on the moving path of the workpiece, and the visual detecting unit 720 is disposed on the mounting frame 710. Specifically, the visual detection unit 720 is flexible, in this embodiment, the visual detection unit 720 is a CCD industrial camera, and the visual detection structure is used to detect the effect of the gap between the solder and the nut, which is beneficial to reducing the comparison error of the control center and improving the detection effect.

As shown in fig. 1 to 3, further, the machine base 100 is provided with a transfer manipulator 110 for step-by-step conveying workpieces, multiple groups of first clamping and limiting assemblies 120 are arranged on the transfer manipulator 110 at intervals, specifically, the transfer manipulator 110 includes a driving source 521 and a moving seat, the moving seat extends in a plate-shaped structure along the length direction of a moving path of a terminal and a cable, multiple groups of first clamping and limiting assemblies 120 are fixedly arranged at the edge position of the moving seat along the length direction of the moving seat, the distance between two adjacent groups of first clamping and limiting assemblies 120 is the single-movement distance of the moving seat, and the step-by-step clamping mechanism is used for improving the mechanical cooperation stability of the production line, wherein the first clamping and limiting assemblies 120 are pneumatic clamping fingers, and clamping jaws of the first clamping and limiting assemblies 120 are symmetrically arranged and can relatively swing and rotate to close to clamp the workpieces.

As shown in fig. 1 to 8, further, the wire conveying apparatus 200 includes a cable loading mechanism (not numbered), a cable straightening mechanism 210, and a wire stripping and cutting mechanism 220; the cable loading mechanism is used for loading the cable coil; the cable straightening mechanism 210 is used for shaping the cable output by the cable loading mechanism; the wire stripping and cutting mechanism 220 is disposed on the machine base 100 and is used for cutting the wire outputted by the wire straightening mechanism 210 to a preset length and stripping the coating layer at a preset position of the wire. Specifically, the cable loading mechanism is a cable drum, the cable loaded on the cable loading mechanism moves towards the direction of the wire stripping and cutting mechanism 220 after being pulled by the cable straightening mechanism 210, the wire stripping and cutting mechanism 220, the cable drum and the cable straightening mechanism 210 are all in a structure with technical molding and technical maturity, the embodiment is not repeated, the wire stripping and cutting mechanism 220 cuts the straightened cable to a preset length, and then peels off the coating layer, so that the integrated cable conveying, straightening, cutting and wire stripping processing are realized, the processing period is effectively shortened, and the efficiency is improved.

As shown in fig. 1 to 8, the terminal riveting device 300 further includes a terminal conveying mechanism 310, a terminal riveting mechanism 320, and a remainder adsorbing mechanism 330, where the terminal conveying mechanism 310 is disposed on the stand 100 and is used for conveying a material tape loaded with connector terminals; the terminal press-riveting mechanism 320 is disposed on the stand 100 and located at an output end of the terminal conveying mechanism 310, and the terminal press-riveting mechanism 320 is used for press-riveting a terminal on a material belt to a cable end with a preset length output by the cable conveying device; the excess material adsorption mechanism 330 is disposed at the tape output end of the terminal press riveting mechanism 320 and is used for collecting the excess tape.

Specifically, the terminal conveying mechanism 310 includes a tray and a guide frame, the guide frame is disposed on the terminal riveting mechanism 320, the tray is disposed on the guide frame, a material belt carrying a terminal is loaded on the tray, the material belt carrying the terminal is guided by the guide frame and then moves towards the pressing end of the terminal riveting mechanism 320, when a cable passes through the transfer manipulator 110 and is transferred to the pressing station of the terminal riveting mechanism 320, the pressing end of the riveting mechanism moves towards the cable direction from top to bottom, so that the folded edges of the terminal are riveted at the end of the cable and are separated from the material belt, and the rest material belt is collected by the rest material adsorption mechanism 330.

As shown in fig. 1 to 8, further, the soldering device 400 includes a tin-plating mechanism 410 and a soldering mechanism 420, the tin-plating mechanism 410 is disposed on the stand 100 and located at the output side of the terminal riveting device, and the tin-plating mechanism 410 is used for plating a connection position between a cable and a terminal after the solder is riveted; the soldering mechanism 420 is disposed at an output end of the soldering mechanism 410, and the soldering mechanism 420 is used for spot-welding solder located at a connection position of the cable and the terminal, so that the solder forms a solder layer for stabilizing the connection structure of the cable and the terminal. The tin-plating mechanism 410 and the soldering mechanism 420 are both formed and mature structures, and the description of this embodiment is omitted. The welding mechanism 420 in this embodiment has two welding stations, so that double-station synchronous soldering can be realized, and welding efficiency is improved.

As shown in fig. 1 to 8, further, the nut screwing device 500 includes a nut conveying mechanism 510, a nut mounting mechanism 520, and a rotary tightening mechanism 530, where an output end of the nut conveying mechanism 510 extends onto the stand 100 and is used for conveying nuts with preset sizes; the nut mounting mechanism 520 is disposed on the stand 100 and is located at an output end of the nut conveying mechanism 510, and the nut mounting mechanism 520 is used for sleeving nuts on the soldered cables and terminals; the rotary tightening mechanism 530 is used for driving the nut to rotate, so that the nut moves to a preset position along the thread groove of the workpiece in a rotary manner.

Specifically, the nut mounting mechanism 520 includes a driving source 521 and a rotating frame 522, a connecting groove for sleeving a terminal and a cable is provided at a rotating end of the rotating frame 522, the driving source 521 is in driving connection with the rotating frame 522 and is used for driving the rotating frame 522 to rotate towards the direction of the nut conveying mechanism 510, the nut conveying mechanism 510 includes a transferring manipulator, a vibrating disc and a temporary storage unit, the transferring manipulator transfers the cable and the terminal on the rotating frame 522 to an output end of the vibrating disc, so that the cable and the terminal are sheathed with the nut, the workpiece after being sheathed is further fixed and aligned on the temporary storage unit, the transferring manipulator resets the sheathed workpiece onto the rotating frame 522, and the driving source 521 drives the rotating frame 522 to move towards the direction of the transferring manipulator 110 to complete the nut mounting.

In this embodiment, the number of the connecting slots is flexible, for example, in this embodiment, the number of the connecting slots is six, the six groups of connecting slots are uniformly distributed on three groups of side walls of the rotating frame 522, two groups of clamping units are disposed on the corresponding transfer manipulator 110, and the number of the connecting slots aligned with each group of side walls after rotation corresponds to the number of the connecting slots of the transfer manipulator 110, so as to implement double-station nut installation and improve the working efficiency.

The rotary tightening mechanism 530 comprises a rotary component 531 and a feeding component 532, the rotary component 531 is an automatic nut screwing machine, the feeding component 532 is a feeding manipulator, the feeding component 532 pushes a workpiece on the transfer manipulator 110 towards the direction of the rotary component 531, and after the end parts of a terminal, a nut and a cable all enter a preset rotation position of the rotary component 531, the rotary component 531 drives the nut to rotate, so that the nut moves to a preset position along the threaded part in a rotating mode, and the connector assembly is completed. The number of the rotating assemblies 531 in this embodiment is two, the number of the output ends of the feeding assemblies 532 is two, and the multi-station screwing is adopted to facilitate improving screwing efficiency and productivity.

As shown in fig. 1 to 8, the automatic production line for multi-stage detection, riveting and screwing of integrated connectors further comprises a blanking device 900, wherein the blanking device 900 is arranged on the machine base 100 and is used for transferring the screwed connectors to a preset blanking station. The blanking device 900 is located at the output end of the third detection device 800, and the blanking device 900 is a two-axis manipulator, so that the structure is simple, the installation is convenient, and the optimization of the output structure of the production line is facilitated. In this embodiment, the number of the material taking units of the blanking device 900 is two, and the blanking device 900 can synchronously perform blanking operations on two groups of workpieces. So as to improve the blanking efficiency.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. An automatic production line is twisted in multistage detection cutting riveting of integral type connector, characterized in that includes:

a base;

The wire rod conveying device is arranged on the outer side of the base and used for conveying a cable to the base;

The terminal riveting device is arranged on the base and positioned at the output end of the wire conveying device, and is used for riveting a terminal on a cable section with a preset length;

The soldering device is arranged on the base and is positioned at the output end of the terminal riveting device, and the soldering device is used for forming a soldering layer between the riveted cable and the terminal;

The nut screwing device is arranged on the base and is used for screwing the soldered semi-finished workpiece into the mounting nut;

The output end of the terminal riveting device is provided with a first detection device for detecting whether a wire rod is riveted with a preset terminal or not; the output end of the soldering device is provided with a second detection device for detecting whether a soldering tin layer exists at the connection position of the riveted terminal and the wire rod; the output end of the nut screwing device is provided with a third detection device for detecting the nut gap in the screwed connector.

2. The automatic production line for integrally detecting, trimming and riveting connectors according to claim 1, wherein: the first detection device comprises a first installation seat and a first sensing unit, the installation seat is arranged at the output end of the terminal riveting device, the first sensing unit is arranged on the first installation seat, and the sensing end of the first sensing unit faces to the terminal and the cable moving path after the press riveting connection.

3. The automatic production line for integrally detecting, trimming and riveting connectors according to claim 2, wherein: the first sensing unit is a flat diffuse reflection photoelectric switch.

4. The automatic production line for integrally detecting, trimming and riveting connectors according to claim 1, wherein: the second detection device is identical to the second detection device in structure, the second detection device comprises a mounting frame and a visual detection unit, the mounting frame is arranged on the machine base and located on a workpiece moving path, and the visual detection unit is arranged on the mounting frame.

5. The automatic production line for integrally detecting, cutting, riveting and twisting of connectors according to any one of claims 1 to 4, wherein: the machine seat is provided with a transfer manipulator for step-by-step conveying of workpieces, and a plurality of groups of first clamping limiting assemblies are arranged on the transfer manipulator at intervals.

6. The automatic production line for integrally detecting, cutting, riveting and twisting of connectors according to any one of claims 1 to 4, wherein: the wire rod conveying device includes:

a cable loading mechanism for loading a cable reel;

The cable straightening mechanism is used for shaping the cable output by the cable loading mechanism;

The wire stripping cutting mechanism is arranged on the machine base and is used for cutting the cable output by the cable straightening mechanism to a preset length and stripping a coating layer at a preset position of the cable.

7. The automatic production line for integrally detecting, cutting, riveting and twisting of connectors according to any one of claims 1 to 4, wherein: the terminal staking device includes:

The terminal conveying mechanism is arranged on the base and is used for conveying a material belt loaded with connector terminals;

The terminal riveting mechanism is arranged on the machine base and positioned at the output end of the terminal conveying mechanism, and is used for riveting and connecting a terminal on a material belt to the end part of a cable with preset length output by the cable conveying device;

The residual material adsorption mechanism is arranged at the material belt output end of the terminal riveting mechanism and used for collecting residual material belts.

8. The automatic production line for integrally detecting, trimming and riveting connectors according to claim 7, wherein: the soldering device comprises:

The tin-plating mechanism is arranged on the base and positioned at the output side of the terminal riveting device and is used for plating tin at the connection position of the cable and the terminal after riveting;

The welding mechanism is arranged at the output end of the tin spot welding mechanism and is used for spot welding tin materials positioned at the connecting positions of the cable and the terminal, so that the tin materials form a tin soldering layer for stabilizing the connecting structure of the cable and the terminal.

9. The automatic production line for integrally detecting, cutting, riveting and twisting of connectors according to any one of claims 1 to 4, wherein: the nut screwing device includes:

The output end of the nut conveying mechanism extends to the machine base and is used for conveying nuts with preset sizes;

the nut mounting mechanism is arranged on the base and positioned at the output end of the nut conveying mechanism, and is used for sleeving nuts on the soldered cables and terminals;

And the rotary tightening mechanism is used for driving the nut to rotate so that the nut moves to a preset position along the thread groove of the workpiece in a rotary mode.

10. The automatic production line for integrally detecting, cutting, riveting and twisting of connectors according to any one of claims 1 to 4, wherein: the automatic production line for the integrated connector multistage detection riveting and twisting further comprises a blanking device, wherein the blanking device is arranged on the machine base and used for transferring the screwed connector to a preset blanking station.