CN107462857B

CN107462857B - Semi-automatic test fixture of instrument

Info

Publication number: CN107462857B
Application number: CN201710770606.7A
Authority: CN
Inventors: 俞文荣; 黄志成; 俞跃; 蒋浩
Original assignee: Jiangsu Acxion Electric Co ltd
Current assignee: Jiangsu Acxion Electric Co ltd
Priority date: 2017-08-26
Filing date: 2017-08-26
Publication date: 2023-05-16
Anticipated expiration: 2037-08-26
Also published as: CN107462857A

Abstract

The invention relates to a semi-automatic test fixture of an instrument, which is characterized in that the instrument is placed in the semi-automatic test fixture of the instrument from the upper part of an instrument positioning frame along a limit groove, a push rod is pushed to push the instrument to a fixed plate, and a thimble is used for propping against a corresponding wiring terminal on the back of the instrument, so that debugging equipment can access signals to the instrument through a wire, and then the instrument can be debugged by leading in corresponding current and voltage values, auxiliary power supplies and the like. Therefore, the working procedures of workers can be simplified, the working efficiency is improved, and the electric shock risk of the workers is reduced; the detected instrument is automatically grabbed onto the conveyor belt by the mechanical arm to be conveyed, the qualified product is directly conveyed into the qualified product turnover box, the unqualified product is pushed to the unqualified product channel by the pushing air cylinder, and finally the unqualified product enters the unqualified product turnover box. Therefore, the detection and classification of the instrument can be automatically finished, the detection is convenient, the efficiency is high, and the situation of classification errors can be avoided.

Description

Semi-automatic test fixture of instrument

Technical Field

The invention relates to a semi-automatic test fixture of an instrument, which is used for testing and conveying an electric measuring instrument.

Background

Electrical measuring instruments are gauges and instruments for measuring, recording and metering various electrical quantities. The electric measuring instrument is divided into an ammeter, a voltmeter, an ohmmeter, a power meter, a power factor meter, a frequency meter, a phase meter, a synchronous indicator, an electric energy meter, a universal meter with multiple purposes and the like according to the measuring function.

The electrical measuring instruments need to perform performance detection after production is completed, normal operation of the electrical measuring instruments is guaranteed, the wiring terminals of the debugging equipment are connected to the instruments manually, and power and voltage and current are turned on after the wiring terminals are connected, so that the debugging equipment is used for testing the instruments. However, in the test mode, a plurality of wires and instruments are connected by manpower every time, the working procedure is complex, the working efficiency is low, and meanwhile, workers have the risk of electric shock; and the detection is finished and the classification of the qualified products and the unqualified products is carried out manually, the manual classification often causes the situation of wrong classification, and the unqualified products are mixed in the qualified products.

Disclosure of Invention

The invention aims to overcome the defects, and provides a semi-automatic test fixture for the instrument, which has the advantages of simplifying working procedures, improving working efficiency, reducing the electric shock risk of workers, along with high automation degree and automatic classification.

The purpose of the invention is realized in the following way: the semi-automatic test fixture for the instrument comprises a detection device and a conveying device, wherein the detection device comprises a base, a guide rail is arranged in the middle of the top of the base, a sliding block is arranged on the guide rail, the sliding block can slide back and forth on the guide rail, an instrument positioning frame is fixed at the top of the sliding block, the instrument positioning frame is a vertical support on the left side and the right side, a vertically-arranged limit groove is respectively formed in the vertical support, the instrument to be tested is arranged in the limit groove, so that the instrument to be tested is clamped with the instrument positioning frame, a fixing plate is arranged at the rear end of the top of the base, the fixing plate is positioned at the rear side of the sliding block, a clamping block is arranged on one side of the fixing plate close to the sliding block in a protruding mode, after the sliding block is pushed backwards, the clamping block can be matched with the limit groove to fix the instrument to be tested, a wiring terminal penetrates through the fixing plate and is connected with a thimble, and the other end of the wiring terminal is matched with the thimble;

the conveying device is arranged at the rear side of the detection device, the conveying device conveys the tested instrument through a conveying belt, the conveying belt is driven by rollers and a belt, a middle rotary table is arranged beside the front end of the conveying belt, a gravity sensor is arranged in the middle rotary table, a manipulator is arranged above the middle rotary table and driven by a rotary cylinder and used for conveying the detected instrument clamp onto the conveying belt, a sensor is arranged in the middle of the conveying belt, the sensor senses the passing instrument, a pushing cylinder is arranged at the rear side of the sensor, a reject channel is arranged at one side of the conveying belt opposite to the pushing cylinder, the reject channel is communicated with the conveying belt and is obliquely arranged downwards, the instrument can be pushed into the reject channel to recover the reject during operation of the pushing cylinder, and the tail end of the conveying belt is connected with the reject channel;

and simultaneously, a gravity sensor, a manipulator, a rotary cylinder, a sensor and a pushing cylinder in the middle rotary table are all connected with a PLC control system, and the PLC control system is used for carrying out automatic conveying.

The invention has the beneficial effects that: the semi-automatic test fixture of the instrument is used for placing the instrument from the upper part of the instrument positioning frame along the limit groove, pushing the push rod to push the instrument onto the fixed plate, and propping against the corresponding wiring terminal on the back of the instrument by the thimble, so that the debugging equipment can be used for connecting signals to the instrument through the lead, and then the instrument can be debugged by leading in corresponding current and voltage values, auxiliary power sources and the like. Therefore, the working procedures of workers can be simplified, the working efficiency is improved, and the electric shock risk of the workers is reduced; the detected instrument is automatically grabbed onto the conveyor belt by the mechanical arm to be conveyed, the qualified product is directly conveyed into the qualified product turnover box, the unqualified product is pushed to the unqualified product channel by the pushing air cylinder, and finally the unqualified product enters the unqualified product turnover box. Therefore, the detection and classification of the instrument can be automatically finished, the detection is convenient, the efficiency is high, and the situation of classification errors can be avoided.

Drawings

Fig. 1 is a schematic structural diagram of a semi-automatic test fixture for an instrument according to the present invention.

Fig. 2 is a schematic structural diagram of the detection device in fig. 1.

Fig. 3 is a schematic view of the conveying device in fig. 1.

Fig. 4 is a rear view of fig. 3.

Wherein: the device comprises a base 1, a guide rail 2, a sliding block 3, an instrument positioning frame 4, a limit groove 5, a fixed plate 6, a clamping block 7, a wiring terminal 8, a thimble 9, a push rod 10, a push plate 11, a handle 12, a conveyor belt 13, a roller 14, a belt 15, a middle rotary table 16, a manipulator 17, a rotary cylinder 18, a sensor 19, a pushing cylinder 20, a reject channel 21 and a finished product channel 22.

Description of the embodiments

The invention relates to a semi-automatic test fixture for meters, as shown in figures 1 to 4, which comprises a detection device and a conveying device, wherein the detection device comprises a base 1, a guide rail 2 is arranged in the middle of the top of the base 1, a sliding block 3 is arranged on the guide rail 2, the sliding block 3 can slide forwards and backwards on the guide rail 2, a meter positioning frame 4 is fixed on the top of the sliding block 3, the meter positioning frame 4 is a vertical support on the left side and the right side, a vertically-arranged limit groove 5 is respectively arranged on the vertical support, the meter to be tested is arranged in the limit groove 5, so that the meter to be tested is clamped with the meter positioning frame 4, a fixing plate 6 is arranged at the rear end of the top of the base 1, a clamping block 7 is arranged at the rear side of the fixing plate 6, one side, close to the sliding block 3, of the sliding block 7 can be matched with the limit groove 5 to fix the meter to be tested, a wiring terminal 8 is also arranged on the fixing plate 6, the wiring terminal 8 passes through the rear end of the fixing plate 6 to be connected with a device, the other end of the wiring terminal 8 is connected with a thimble 9, the front end of the thimble 10 is matched with the front end 10 of the push rod 10, and the front end of the push rod 10 can be hinged to the push rod 10 is arranged in the front of the push rod 10, and the push rod is capable of being pushed by the front end of the push rod 10 is matched with the push rod 10 to be pushed by the front end 10 of the push rod 10, and the front end of the push rod is convenient to be pushed by the front end of the push rod 10.

The conveying device is arranged at the rear side of the detection device, the conveying device conveys the tested instrument through the conveying belt 13, the conveying belt 13 is driven by the roller 14 and the belt 15, a middle rotary table 16 is arranged beside the front end of the conveying belt 13, a gravity sensor is arranged in the middle rotary table 16, a manipulator 17 is arranged above the middle rotary table 16, the manipulator 17 is driven by a rotary cylinder 18 and is used for conveying the detected instrument clamp onto the conveying belt 13, a sensor 19 is arranged in the middle of the conveying belt 13, the sensor 19 senses the passing instrument, a pushing cylinder 20 is arranged at the rear side of the sensor 19, the conveying belt 13 is provided with a reject channel 21 at one side opposite to the pushing cylinder 20, the reject channel 21 is communicated with the conveying belt 13 and is obliquely arranged downwards, the instrument can be pushed into the reject channel 21 to be recovered when the pushing cylinder 20 works, the tail end of the conveying belt 13 is connected with a finished product channel 22, and the finished product channel 22 is used for collecting the qualified instrument.

And simultaneously, a gravity sensor, a manipulator 17, a rotary cylinder 18, a sensor 19 and a pushing cylinder 20 in the transfer table 16 are connected with a PLC control system, and the PLC control system is used for carrying out automatic conveying.

The working mode of the semi-automatic test fixture of the instrument is as follows: firstly, placing a meter to be tested into a limiting groove from the upper part of a meter positioning frame, pushing a push rod to push the meter onto a fixed plate, and propping against a corresponding wiring terminal on the back of the meter by using a thimble, so that debugging equipment can connect signals to the meter through a wire, then, introducing corresponding current and voltage values, an auxiliary power supply and the like to test the meter, if the meter detection result is unqualified, manually sleeving a lantern ring outside the meter by a worker, then manually placing the meter on a transfer table by the worker, if the detection result is qualified, manually directly placing the meter on the transfer table by the worker, at the moment, transmitting signals to a PLC system by using a gravity sensor, if the meter to be tested is qualified, measuring the weight of the meter within a standard range by using the gravity sensor, and if the meter to be tested is unqualified, measuring the meter with the lantern ring to exceed the standard weight by using the gravity sensor, opening the sensor, and then placing the meter onto a conveyor belt by using the manipulator, and continuously conveying the qualified meter into the qualified transfer table by using the conveyor belt; when the unqualified instrument passes through the sensor vertically, the sensor can detect the passing instrument, the sensor sends a signal to the pushing cylinder through the PLC system, the pushing cylinder pushes the instrument out of the conveying belt, and the instrument enters the unqualified product channel and finally enters the unqualified product turnover box.

Claims

1. A semi-automatic test fixture of instrument, its characterized in that: the device comprises a detection device and a conveying device, wherein the detection device comprises a base (1), a guide rail (2) is arranged in the middle of the top of the base (1), a sliding block (3) is arranged on the guide rail (2), the sliding block (3) can slide back and forth on the guide rail (2), an instrument positioning frame (4) is fixed at the top of the sliding block (3), the instrument positioning frame (4) is a vertical bracket on the left side and the right side, a vertically-arranged limit groove (5) is respectively arranged on the vertical bracket, an instrument to be tested is arranged in the limit groove (5) so as to be clamped with the instrument positioning frame (4), the rear end of the top of the base (1) is provided with a fixing plate (6), the fixing plate (6) is positioned at the rear side of the sliding block (3), one side of the fixing plate (6) close to the sliding block (3) is convexly provided with a clamping block (7), after the sliding block (3) is pushed backwards, the clamping block (7) can be matched with the limit groove (5) to fix the instrument to be tested, a wiring terminal (8) is further arranged on the fixing plate (6), the wiring terminal (8) passes through the fixing plate (8) and is matched with the ejector pin (9) to be tested, and is connected with the ejector pin (9) after the ejector pin (9) is pushed backwards, the thimble (9) can be inserted into a wiring terminal of the instrument to enable the instrument to be connected with debugging equipment, a push rod (10) is arranged at the front end of the top of the base (1), the push rod (10) is positioned at the front side of the sliding block (3), the push rod (10) can stretch back and forth, the rear end of the push rod (10) is fixed with the push plate (11), the push plate (11) is used for pushing the sliding block (3) to slide back and forth on the guide rail (2), the front end of the push rod (10) is hinged with the handle (12), and the push rod (10) can be pushed to move back and forth by rotating the handle (12);

the conveying device is arranged at the rear side of the detection device, the conveying device conveys the tested instrument through the conveying belt (13), the conveying belt (13) is driven by the idler wheel (14) and the belt (15), a middle rotary table (16) is arranged beside the front end of the conveying belt (13), a gravity sensor is arranged in the middle rotary table (16), a manipulator (17) is arranged above the middle rotary table (16), the manipulator (17) is driven by the rotary cylinder (18) and used for conveying the detected instrument clamp onto the conveying belt (13), a sensor (19) is arranged in the middle of the conveying belt (13), the sensor (19) senses the passing instrument, a pushing cylinder (20) is arranged at the rear side of the sensor (19) on the conveying belt (13), a reject channel (21) is arranged at one side opposite to the pushing cylinder (20), the reject channel (21) is communicated with the conveying belt (13) and is obliquely arranged downwards, and the pushing cylinder (20) can push the instrument to the reject channel (21) to the reject channel for recycling the finished product (22) when working;

and simultaneously, a gravity sensor, a manipulator (17), a rotary cylinder (18), a sensor (19) and a pushing cylinder (20) in the transferring table (16) are connected with a PLC control system, and the automatic conveying is performed by the PLC control system.