CN219016838U

CN219016838U - PLC detection assembly

Info

Publication number: CN219016838U
Application number: CN202223400020.7U
Authority: CN
Inventors: 吴铁山
Original assignee: Wuxi Jintian Electronics Co ltd
Current assignee: Wuxi Jintian Electronics Co ltd
Priority date: 2022-12-17
Filing date: 2022-12-17
Publication date: 2023-05-12
Anticipated expiration: 2032-12-17

Abstract

The utility model relates to a PLC detection assembly, wherein two groups of probe assemblies for testing PLC are arranged on a substrate, a one-dimensional translation table for positioning and outputting PLC is arranged at a second opening, and a joint connecting device for automatically connecting joints is further arranged above the one-dimensional translation table. Compared with the existing detection assembly, the detection assembly has the advantages that the detection of different functions of the PLC is respectively realized by adopting the first probe assembly and the second probe assembly, the detection efficiency is higher, meanwhile, the automatic connection joint device is arranged to enable the automatic connection joint device to be capable of automatically connecting the joint to the PLC, and compared with a manual connection mode of operators, the automatic connection joint device is higher in efficiency. In addition, the PLC after detection can be output through the one-dimensional translation table, and compared with belt transmission, the PLC is more stable in conveying, and meanwhile, the PLC is not easy to deform to cause inaccurate positioning. The first positioning frame is arranged to position the PLC when the first probe assembly is tested, and the second positioning frame, the proximity switch and the trigger plate are arranged to position the PLC when the second probe assembly is tested.

Description

PLC detection assembly

Technical Field

The utility model relates to a detection device, in particular to a PLC detection assembly.

Background

The PLC needs to be subjected to various tests such as withstand voltage before leaving the factory, and when in test, the external detector needs to be connected with the PLC through a corresponding connector so as to monitor the internal state of the PLC in real time. At present, the existing operation mode mainly carries out joint connection through a manual operation mode, and the detection efficiency is low. Meanwhile, the detected PLC also needs manual discharging.

A low-frequency transformer automatic comprehensive testing machine based on a PLC control GROOVY data acquisition and analysis system is disclosed, and the publication number is CN103713221A, which discloses a testing device for detecting a low-frequency transformer. The workpiece to be detected is conveyed by a belt and is positioned by a stepping motor. Because the conveyer belt texture is softer, and PLC overall weight is heavier, therefore the PLC appears certain sunk easily during the test, and this makes the test probe be difficult for with the corresponding interface alignment on the PLC, and the while stepper motor is long-time after operation and appears positioning error easily.

Disclosure of Invention

In order to solve the technical problems, the utility model aims to provide a PLC detection assembly which does not need a manual connection joint and has high testing efficiency and positioning accuracy.

The utility model relates to a PLC detection assembly, which comprises a test bench, wherein a hood is fixedly connected with the bottom end of the test bench, a feed inlet and a discharge outlet are formed in the hood, a detection device is arranged in the hood, the detection device comprises a substrate fixedly arranged on the test bench, a first positioning frame is arranged on the surface of the substrate, first probe assemblies are respectively arranged on the front side and the rear side of the first positioning frame, a gap is further formed in the edge of the substrate, second probe assemblies positioned on the surface of the substrate are respectively arranged on the front side and the rear side of the gap, a one-dimensional translation stage is arranged below the gap, a machine body of the one-dimensional translation stage is fixedly arranged on the test bench, the output end of the machine body of the one-dimensional translation stage is positioned at the discharge outlet of the hood, and two ends of the machine body of the one-dimensional translation stage are respectively provided with a proximity switch, and a second positioning frame and a trigger plate corresponding to the proximity switch are arranged on a sliding table of the one-dimensional translation stage;

the surface of the substrate is also provided with a joint connecting device, the joint connecting device comprises a portal frame, a mounting transverse plate and a transverse plate lifting driver, a machine body of the transverse plate lifting driver is fixedly arranged on the portal frame, and the output end of the transverse plate lifting driver is fixedly connected with the mounting transverse plate;

the mounting transverse plate is provided with a plurality of connecting seats, and the connecting seats are provided with joints positioned above the one-dimensional translation table and joint lifting drivers for driving the joints to lift;

the first probe assembly and the second probe assembly comprise a mounting seat fixedly arranged on the substrate, a probe seat arranged on the mounting seat and a probe seat moving driver for driving the probe seat to move, and a plurality of probes are arranged on the probe seat.

The PLC detection assembly is characterized in that two groups of probe assemblies for testing the PLC are arranged on a substrate, a one-dimensional translation table for positioning and outputting the PLC is arranged at a second opening, and a joint connecting device for automatically connecting joints is further arranged above the one-dimensional translation table. Compared with the existing detection assembly, the detection assembly has the advantages that the detection of different functions of the PLC is respectively realized by adopting the first probe assembly and the second probe assembly, the detection efficiency is higher, meanwhile, the automatic connection joint device is arranged to enable the automatic connection joint device to be capable of automatically connecting the joint to the PLC, and compared with a manual connection mode of operators, the automatic connection joint device is higher in efficiency. In addition, the PLC after detection can be output through the one-dimensional translation table, and compared with belt transmission, the PLC is more stable in conveying, and meanwhile, the PLC is not easy to deform to cause inaccurate positioning. The first positioning frame is arranged to position the PLC when the first probe assembly is tested, and the second positioning frame, the proximity switch and the trigger plate are arranged to position the PLC when the second probe assembly is tested.

Further, the PLC detection assembly comprises a vertical sliding rod, a mounting top plate and a transverse plate lifting driver, wherein the bottom end of the vertical sliding rod is fixedly arranged on a base plate, the mounting top plate is fixedly arranged at the top end of the vertical sliding rod, the machine body of the transverse plate lifting driver is fixedly arranged on the mounting top plate, the output end of the transverse plate lifting driver penetrates through the mounting top plate and is fixedly connected with the mounting transverse plate, and the mounting transverse plate is slidably arranged on the vertical sliding rod.

The vertical slide bar and the mounting top plate are arranged to mount the transverse plate driver.

Furthermore, according to the PLC detection assembly disclosed by the utility model, the two ends of the installation transverse plate are respectively provided with the fixed plates, the front side of the installation transverse plate is provided with the fixed rods fixedly connected with the fixed plates, and the connecting seat is fixedly arranged on the fixed rods.

The setting of dead lever has realized the connection to the connecting seat.

Further, the connecting seat comprises a transverse connecting plate, one end of the transverse connecting plate is provided with a fixed sleeve connected with a fixed rod, the other end of the transverse connecting plate is provided with a vertical mounting plate which is arranged vertically to the transverse connecting plate, the connector is slidably arranged on the surface of the vertical mounting plate, and the body of the connector lifting driver is fixedly arranged on the vertical mounting plate.

The arrangement of the transverse connecting plate, the fixing sleeve and the vertical mounting plate realizes the installation of the butt joint and the joint lifting driver.

Furthermore, the front side surface of the vertical mounting plate is provided with the L-shaped mounting angle, the front side surface of the vertical mounting plate is provided with the guide rail positioned below the L-shaped mounting angle, the guide rail is provided with the joint seat which is matched with the guide rail, the joint is fixedly arranged on the joint seat, the body of the joint lifting driver is fixedly arranged on the L-shaped mounting angle, and the output end of the joint lifting driver penetrates through the L-shaped mounting angle and is fixedly connected with the joint seat.

The installation of the connector lifting driver is realized by the arrangement of the L-shaped installation angle, and the installation of the butt joint is realized by the arrangement of the connector seat.

Furthermore, the two sides of the fixing sleeve are respectively provided with the fastening sleeve fixedly connected with the fixing rod, the fastening sleeve is connected with the folded plate, one end of the folded plate is fixedly connected with the fastening sleeve, and the other end of the folded plate is fixedly connected with the transverse connecting plate.

The setting of the fastening sleeve improves the connection firmness between the transverse connecting plate and the fixed rod, and prevents the joint from being accurately aligned with the corresponding interface on the PLC due to loosening between the transverse connecting plate and the fixed rod caused by overweight parts such as the joint, the joint lifting driver and the like.

Furthermore, in the PLC detection assembly, a camera is arranged above the first positioning frame, a shield is arranged above the substrate, and the surface of the shield is provided with perforations for displacing the upper parts of the first positioning frame and the second positioning frame.

The camera is arranged to monitor the first positioning frame and other parts in real time. The arrangement of the shield realizes the protection of each component.

The foregoing description is merely an overview of the embodiments of the present utility model, and is intended to provide a more clear understanding of the technical means of the present utility model, as embodied in the present utility model, by way of example only.

Drawings

FIG. 1 is a perspective view of a PLC detection assembly;

FIG. 2 is a perspective view of a detection device;

FIG. 3 is a front view of the detection device, wherein the shield is not shown;

FIG. 4 is a perspective view of FIG. 3;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a perspective view of a gantry, a connection base, etc.;

FIG. 7 is a perspective view of a one-dimensional translation stage;

FIG. 8 is a perspective view of a first probe assembly or a second probe assembly;

fig. 9 is a perspective view of a joint, a joint seat, and the like.

In the figure, a test bench 1, a hood 2, a feed inlet 3, a discharge outlet 4, a base plate 5, a first positioning frame 6, a first probe assembly 7, a notch 8, a second probe assembly 9, a one-dimensional translation stage 10, a proximity switch 11, a second positioning frame 12, a trigger plate 13, a portal frame 14, a mounting cross plate 15, a cross plate lifting driver 16, a connecting seat 17, a joint 18, a joint lifting driver 19, a mounting seat 20, a probe seat 21, a probe seat displacement driver 22, a PLC23, a vertical slide bar 24, a mounting top plate 25, a slide block 26, a fixing plate 27, a fixing rod 28, a transverse connecting plate 29, a fixing sleeve 30, a vertical mounting plate 31, an L-shaped mounting angle 32, a guide rail 33, a joint seat 34, a fastening sleeve 35, a folded plate 36, a camera 37 and a shield 38.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Referring to fig. 1 to 9, the PLC detecting assembly of the present embodiment includes a test bench 1, a hood 2 with a bottom end fixedly connected with the test bench is provided above the test bench, a feed inlet 3 and a discharge outlet 4 are provided on the hood, a detecting device is provided in the hood, the detecting device includes a substrate 5 fixedly provided on the test bench, a first positioning frame 6 is provided on a surface of the substrate, a first probe assembly 7 is provided on front and rear sides of the first positioning frame, a gap 8 is further provided on an edge of the substrate, a second probe assembly 9 located on a surface of the substrate is provided on front and rear sides of the gap, a one-dimensional translation stage 10 is provided below the gap, a body of the one-dimensional translation stage is fixedly provided on the test bench, an output end of the one-dimensional translation stage is located at a discharge outlet of the hood, two ends of the body of the one-dimensional translation stage are respectively provided with a proximity switch 11, and a second positioning frame 12 and a trigger plate 13 corresponding to the proximity switch are provided on a sliding table of the one-dimensional translation stage;

the surface of the substrate is also provided with a joint connecting device, the joint connecting device comprises a portal frame 14, a mounting transverse plate 15 and a transverse plate lifting driver 16, a machine body of the transverse plate lifting driver is fixedly arranged on the portal frame, and the output end of the transverse plate lifting driver is fixedly connected with the mounting transverse plate;

a plurality of connecting seats 17 are arranged on the mounting transverse plate, and a joint 18 positioned above the one-dimensional translation table and a joint lifting driver 19 for driving the joint to lift are arranged on the connecting seats;

the first probe assembly and the second probe assembly comprise a mounting seat 20 fixedly arranged on the substrate, a probe seat 21 arranged on the mounting seat and a probe seat moving driver 22 for driving the probe seat to move, and a plurality of probes are arranged on the probe seat.

During detection, the PLC23 is conveyed into the first positioning frame by a manipulator or manually, and after the PLC is placed in the first positioning frame, the first probe assemblies on the front side and the rear side of the PLC are started. The probe seat of the first probe assembly moves towards the PLC under the drive of the probe seat displacement driver until each probe on the probe seat is inserted into a corresponding socket of the PLC. Thereafter, an external test host electrically connected to the probe mount can perform a corresponding test on the PLC through the first probe assembly.

After the test is finished, the first probe assembly is reset, and the manipulator or an operator manually conveys the PLC into the second positioning frame. The second positioning frame is positioned between the two groups of second probe assemblies and is positioned right below the joint. The second two sets of probe assemblies then operate in the manner previously described to insert the probes thereon into the corresponding sockets of the PLC.

At the same time, the mounting rail above the PLC is lowered under the drive of the rail lifting drive until the joint thereon moves to the surface of the PLC. And the connector lifting driver drives the connector to descend so that the connector is inserted into a corresponding interface of the PLC, and the external detection host can input corresponding detection signals to the PLC through the second probe seat so as to perform corresponding detection. Meanwhile, the detection host can communicate with the PLC in real time through the connector.

After the second probe assembly is tested, the second probe assembly, the joint connecting device and other parts are reset, and then the one-dimensional translation stage drives the second positioning frame and the PLC to move to the output end through the sliding table until the trigger plate on the second positioning frame moves to the proximity switch and triggers the proximity switch to generate corresponding signals. At this time, the PLC is located at the discharge port of the hood, and the PLC transported to the discharge port can realize discharging by the manual operation of an operator or a manipulator. After the unloading is completed, all the components are reset for the next test.

Wherein, diaphragm lift driver, joint lift driver are linear displacement drive arrangement, all prefers the cylinder in this embodiment.

The probe seat displacement driver is preferably a one-dimensional pneumatic displacement table, the cylinder body of the cylinder is fixedly arranged on the mounting seat, the sliding table is slidably arranged on the surface of the cylinder body, and the probe seat is fixedly arranged at the front end of the sliding table.

The first positioning frame and the second positioning frame are used for positioning the PLC and are frame bodies matched with the PLC.

The one-dimensional translation stage is a motor screw rod type displacement device, proximity switches at two ends of the machine body are used for positioning the second positioning frame, and the one-dimensional translation stage is preferably a photoelectric switch. When the trigger plate moves to the proximity switch during positioning, the proximity switch generates a positioning signal, and the external detection host locates the second positioning frame according to the signal.

The opening at the edge of the substrate is used for installing a one-dimensional translation table, so that a second positioning frame on the one-dimensional translation table can be directly moved between two groups of second probe assemblies, and meanwhile, the second probe assemblies can directly output the PLC to a discharge port through the one-dimensional translation table after detection is completed.

The portal frame comprises a vertical sliding rod 24, a mounting top plate 25 and a cross plate lifting driver, wherein the bottom end of the vertical sliding rod is fixedly arranged on a base plate, the mounting top plate 25 is fixedly arranged at the top end of the vertical sliding rod, the body of the cross plate lifting driver is fixedly arranged on the mounting top plate, the output end of the cross plate passes through the mounting top plate and is fixedly connected with the mounting cross plate, and the mounting cross plate is slidably arranged on the vertical sliding rod.

In this embodiment, two vertical slide bars are all set firmly on the base plate in the bottom of two vertical slide bars, and the both ends of installation roof are set firmly in the top of vertical slide bar through the bolt respectively. Two ends of the mounting transverse plate are respectively provided with a sliding block 26 which is in sliding fit with the vertical sliding rod.

The two ends of the preferred mounting transverse plate are respectively provided with a fixing plate 27, the front side of the mounting transverse plate is provided with a fixing rod 28 fixedly connected with the fixing plate, and the connecting seat is fixedly arranged on the fixing rod.

The setting of dead lever has realized the connection to the connecting seat.

The preferred connecting seat comprises a transverse connecting plate 29, one end of the transverse connecting plate is provided with a fixed sleeve 30 connected with a fixed rod, the other end of the transverse connecting plate is provided with a vertical mounting plate 31 which is vertically arranged with the transverse connecting plate, a connector is slidably arranged on the surface of the vertical mounting plate, and a body of the connector lifting driver is fixedly arranged on the vertical mounting plate.

The fixing sleeve is sleeved on the fixing rod through a bolt, and the front end of the transverse connecting plate is clamped in a clamping groove on the rear side face of the vertical mounting plate.

An L-shaped mounting angle 32 is arranged on the front side surface of the vertical mounting plate, a guide rail 33 positioned below the L-shaped mounting angle is arranged on the front side surface of the vertical mounting plate, a joint seat 34 matched with the guide rail is arranged on the guide rail, a joint is fixedly arranged on the joint seat, a body of the joint lifting driver is fixedly arranged on the L-shaped mounting angle, and an output end of the body passes through the L-shaped mounting angle and is fixedly connected with the joint seat.

When the connector lifting device works, the output end of the connector lifting driver drives the connector to move on the guide rail on the surface of the vertical mounting plate through the connector seat. The connector is used for being connected with a PLC, and can be an RS485 connector, an RS45 crystal connector and the like.

The two sides of the preferable fixing sleeve are respectively provided with a fastening sleeve 35 fixedly connected with the fixing rod, a folded plate 36 is connected on the fastening sleeve, one end of the folded plate is fixedly connected with the fastening sleeve, and the other end is fixedly connected with the transverse connecting plate.

The fixing rod can be a cylindrical rod with two sides provided with planes so as to prevent the fixing sleeve and the fastening sleeve from rotating with the fixing rod.

Preferably, the camera 37 is disposed above the first positioning frame, the shield 38 is disposed above the substrate, and the surface of the shield is provided with a through hole for displacing the first positioning frame and the second positioning frame.

The above is only a preferred embodiment of the present utility model for assisting a person skilled in the art to implement the corresponding technical solution, and is not intended to limit the scope of the present utility model, which is defined by the appended claims. It should be noted that, on the basis of the technical solution of the present utility model, several improvements and modifications equivalent thereto can be made by those skilled in the art, and these improvements and modifications should also be regarded as the protection scope of the present utility model. Meanwhile, it should be understood that, although the present disclosure describes the above embodiments, not every embodiment contains only one independent technical solution, and the description is merely for clarity, and those skilled in the art should consider the disclosure as a whole, and the technical solutions of the embodiments may be combined appropriately to form other embodiments that can be understood by those skilled in the art.

Claims

1. The utility model provides a PLC detection component, includes testboard (1), and the top of testboard is equipped with bottom and aircraft bonnet (2) rather than linking firmly, is equipped with feed inlet (3) and discharge gate (4) on the aircraft bonnet, is provided with detection device in the aircraft bonnet, its characterized in that: the detection device comprises a substrate (5) fixedly arranged on a test bench, a first positioning frame (6) is arranged on the surface of the substrate, first probe assemblies (7) are respectively arranged on the front side and the rear side of the first positioning frame, a notch (8) is further formed in the edge of the substrate, second probe assemblies (9) positioned on the surface of the substrate are respectively arranged on the front side and the rear side of the notch, a one-dimensional translation table (10) is arranged below the notch, a machine body of the one-dimensional translation table is fixedly arranged on the test bench, the output end of the machine body is positioned at a discharge hole of a machine cover, proximity switches (11) are respectively arranged at the two ends of the machine body of the one-dimensional translation table, and a second positioning frame (12) and a trigger plate (13) corresponding to the proximity switches are arranged on a sliding table of the one-dimensional translation table;

the surface of the substrate is also provided with a joint connecting device, the joint connecting device comprises a portal frame (14), a mounting transverse plate (15) and a transverse plate lifting driver (16), the body of the transverse plate lifting driver is fixedly arranged on the portal frame, and the output end of the transverse plate lifting driver is fixedly connected with the mounting transverse plate;

a plurality of connecting seats (17) are arranged on the mounting transverse plate, and a joint (18) positioned above the one-dimensional translation table and a joint lifting driver (19) for driving the joint to lift are arranged on the connecting seats;

the first probe assembly and the second probe assembly comprise a mounting seat (20) fixedly arranged on the substrate, a probe seat (21) arranged on the mounting seat and a probe seat moving driver (22) for driving the probe seat to move, and a plurality of probes are arranged on the probe seat.

2. The PLC detection assembly of claim 1, wherein: the portal frame comprises a vertical sliding rod (24) with the bottom end fixedly arranged on the base plate, a mounting top plate (25) fixedly arranged on the top end of the vertical sliding rod, a machine body of the transverse plate lifting driver is fixedly arranged on the mounting top plate, the output end of the transverse plate lifting driver penetrates through the mounting top plate and is fixedly connected with the mounting transverse plate, and the mounting transverse plate is slidably arranged on the vertical sliding rod.

3. The PLC detection assembly according to claim 2, wherein: the both ends of installation diaphragm set up fixed plate (27) respectively, and the front side of installation diaphragm is equipped with dead lever (28) that link firmly with the fixed plate, the connecting seat sets firmly on the dead lever.

4. The PLC detection assembly according to claim 3, wherein: the connecting seat comprises a transverse connecting plate (29), a fixed sleeve (30) connected with a fixed rod is arranged at one end of the transverse connecting plate, a vertical mounting plate (31) perpendicular to the transverse connecting plate is arranged at the other end of the transverse connecting plate, the connector is slidably arranged on the surface of the vertical mounting plate, and a body of the connector lifting driver is fixedly arranged on the vertical mounting plate.

5. The PLC detection assembly of claim 4, wherein: an L-shaped mounting angle (32) is arranged on the front side surface of the vertical mounting plate, a guide rail (33) positioned below the L-shaped mounting angle is arranged on the front side surface of the vertical mounting plate, a joint seat (34) matched with the guide rail is arranged on the guide rail, the joint is fixedly arranged on the joint seat, a body of the joint lifting driver is fixedly arranged on the L-shaped mounting angle, and the output end of the joint lifting driver penetrates through the L-shaped mounting angle and is fixedly connected with the joint seat.

6. The PLC detection assembly of claim 4, wherein: the both sides of fixed cover are equipped with respectively and link firmly with the dead lever fastening cover (35), are connected with folded plate (36) on the fastening cover, and the one end and the fastening cover of folded plate link firmly, and the other end links firmly with transverse connection board.

7. The PLC detection assembly of claim 1, wherein: a camera (37) is arranged above the first positioning frame, a shield (38) is arranged above the substrate, and the surface of the shield is provided with perforations for displacing the first positioning frame and the second positioning frame.