CN116603773B

CN116603773B - Plug force detection device and detection method thereof

Info

Publication number: CN116603773B
Application number: CN202310875582.7A
Authority: CN
Inventors: 赵沙; 王洪亮; 黄成龙
Original assignee: Konette Changzhou Intelligent Technology Co ltd
Current assignee: Konette Changzhou Intelligent Technology Co ltd
Priority date: 2023-07-18
Filing date: 2023-07-18
Publication date: 2023-10-13
Anticipated expiration: 2043-07-18
Also published as: CN116603773A

Abstract

The invention relates to a plug force detection device which is provided with a working platform, wherein a feeding station, a correcting station, an empty plug station, a detection station and a discharging station are sequentially arranged on the working platform; the feeding station is provided with a feeding mechanism, the empty inserting station is provided with an empty inserting mechanism, the correcting station is provided with a correcting mechanism, the detecting station is provided with a detecting mechanism, the blanking station is provided with a blanking mechanism, the working platform is also provided with a carrying mechanism capable of transferring the pipe fitting to be detected on each station and a control unit for controlling each mechanism to operate, the carrying mechanism is driven by a driving device to simultaneously transfer workpieces on the feeding mechanism, the empty inserting mechanism and the detecting mechanism to adjacent next stations, and the driving device is electrically connected with the control unit. The invention also relates to a detection method of the plugging force detection device. The automatic feeding, rotary correction, empty insertion, detection and screening blanking of the pipe fitting to be tested can be realized, and the automatic feeding, rotary correction, empty insertion, detection and screening blanking device is ingenious in structure, convenient and practical.

Description

Plug force detection device and detection method thereof

Technical Field

The invention relates to the field of detection of insertion and extraction force of pipe fittings, in particular to a detection device and a detection method of the insertion and extraction force.

Background

A connector is an indispensable electronic component in an electronic apparatus, and refers to an electronic device that connects two active devices and functions to transmit signals or currents. The basic properties of the connector can be largely divided into mechanical properties, electrical properties and environmental properties. The connector is in butt joint through an interface so as to realize the function of transmitting current or signals, and the produced electric connector can be normally used or not and needs to be subjected to plugging force detection.

The pipe fitting of the existing connector is divided into an equal-diameter pipe fitting and a variable-diameter pipe fitting according to different diameters, but the pipe fitting of the existing connector is provided with an inner coil spring on the inner wall of a pipe orifice of a test end, and the pipe fitting is required to be subjected to idle insertion when the pipe fitting is subjected to insertion test, so that the shape of the inner coil spring tends to be stable, whether the pipe fitting is an equal-diameter pipe fitting or a variable-diameter pipe fitting, the end of the pipe fitting with the inner coil spring is required to be opposite to a tested plug when the pipe fitting is subjected to the idle insertion test or the insertion force test, the test plug can be ensured to be subjected to smooth insertion with a socket of the pipe fitting, the pipe fitting of the existing connector is usually subjected to loading of the pipe fitting in an automatic or semi-automatic mode, the pipe fitting is reversely arranged due to errors of operators or other factors in the loading process, the actual insertion force data of the pipe fitting cannot be accurately obtained in the subsequent insertion test and the idle insertion test, the pipe fitting is not measured, and the insertion force of the pipe fitting is required to be subjected to subsequent correction and the subsequent insertion force is required to be subjected to the subsequent correction of the pipe fitting, and the idle insertion force is required to be greatly detected, and the device is required to be subjected to the subsequent correction and the research and development.

Disclosure of Invention

The first object of the invention is to provide a plugging force detection device, which has smart structure, and can effectively solve the problem of missing detection or false detection of plugging force caused by misplacement or misplacement of pipe fitting positions in the prior art, thereby ensuring the detection efficiency and detection precision of the pipe fitting.

The technical scheme for realizing the purposes of the invention is as follows: the automatic feeding device comprises a working platform, wherein a feeding station, a correcting station, an empty inserting station, a detecting station and a discharging station are sequentially arranged on the working platform; the automatic feeding device is characterized in that a feeding mechanism capable of feeding all the pipe fittings to be tested is arranged on the feeding station, a correcting mechanism capable of correcting the positions of the pipe fittings to be tested is arranged on the correcting station, an empty inserting mechanism capable of performing empty inserting test on the pipe fittings to be tested is arranged on the empty inserting station, a detecting mechanism capable of detecting the inserting and extracting force of the pipe fittings to be tested is arranged on the detecting station, a discharging mechanism capable of classifying and discharging the detected pipe fittings to be tested is arranged on the discharging station, a carrying mechanism capable of transferring the pipe fittings to be tested on each station and a control unit for controlling each mechanism to operate are further arranged on the working platform, and workpieces on the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism are simultaneously transferred to the adjacent next station under the driving of the driving device, and the driving device is electrically connected with the control unit.

Further, above-mentioned feed mechanism is including fixing the material loading support on work platform, fixing the straight line module on the material loading support, sliding setting mounting panel, a plurality of fixed mounting guide plate on the mounting panel and the blank subassembly of fixing on work platform under the drive of straight line module on the straight line module, mounting panel and work platform nonparallel setting, be equipped with the mounting groove on the mounting panel, each guide plate parallel arrangement and fixed mounting are in the mounting groove, all are equipped with the baffle box on each guide plate, the blank subassembly is including fixing the blank support on work platform, fixing the fender frame on the blank support, fixing the blank cylinder on the work platform, fixing the expansion plate of the expansion end of blank cylinder, and fixing the blank piece on the expansion plate, be equipped with the gliding slip through-groove of the blank piece on the blank support, the extension direction of slip through-groove sets up with the straight line module is perpendicular, and the one end of each guide plate leans on pressing on the baffle frame, and the one end that is close to the blank support on the baffle box presses on the baffle box in the baffle box, and is equipped with the baffle box that the sensor is equipped with in the blank box that the sensor is connected with the blank box in the cut through the expansion bracket, and the blank box is connected with the feed-stock stop, and the sensor is connected in the blank box.

Further, the above-mentioned blank support is last be equipped with straight line module parallel arrangement's detection logical groove, each feeding sensor is located the both sides that detect logical groove, and the both sides that connect the silo are equipped with the detection side groove that connects the silo intercommunication, connect the silo and connect the silo intercommunication back each detection side groove and detect logical groove intercommunication, each feeding sensor detect with each detection side groove intercommunication back in the butt joint silo have the feeding to detect.

Further, the correcting mechanism comprises a rotary cylinder fixed on the working platform and a carrier fixed on the driving end of the rotary cylinder, a receiving groove for receiving a pipe fitting to be detected is formed in the carrier, a first detection through groove is further formed in the carrier, the extending direction of the first detection through groove is perpendicular to the receiving groove, a first detection sensor for detecting whether the pipe fitting to be detected is placed in the receiving groove or not is further arranged on the working platform, and the rotary cylinder and the first detection sensor are electrically connected with the control unit.

Further, the carrying mechanism comprises a carrying support fixed on the working platform, a driving motor fixed on the carrying support, a rotating plate arranged on the carrying support in a rotating mode under the driving of the driving motor, a horizontal sliding plate horizontally connected to the carrying support, a lifting support connected to the horizontal sliding plate in a lifting mode, a connecting plate fixed to the lifting support, and a plurality of pneumatic fingers which are in one-to-one correspondence with the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism and can grab a pipe fitting to be detected respectively, one end, far away from the lifting support, of the connecting plate is rotationally connected with the rotating plate, each pneumatic finger is fixed on the lifting support, the rotating plate is rotationally connected with the connecting plate through the driving motor, the lifting support is in lifting connection with the horizontal sliding plate, the horizontal sliding plate is in sliding connection with the carrying support, and meanwhile the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism are transferred to the next adjacent mechanism, and the driving motor is electrically connected with the control unit.

Further, a limiting arc groove coaxially arranged with the rotation axis of the rotating plate is formed in the carrying support, a limiting sliding groove is formed in the rotating plate, a rotating shaft is fixedly arranged on the connecting plate, a first limiting pulley and a second limiting pulley are arranged on the rotating shaft, the first limiting pulley and the second limiting pulley are both rotationally connected to the rotating shaft, the first limiting pulley is located in the limiting sliding groove, the second limiting pulley is located in the limiting arc groove, the rotating plate is driven by a driving motor, the second limiting pulley is in reciprocating rotation connection with the limiting arc groove in a matched mode, and the lifting support is driven to lift through the matching of the rotating shaft and the first limiting pulley; the lifting support is characterized in that a guide rod which is vertically arranged is fixedly arranged on one side, deviating from the pneumatic finger, of the lifting support, two ends of the guide rod are fixedly connected with the lifting support and the connecting plate respectively, a guide hole through which the guide rod can pass is formed in the horizontal sliding plate, and the lifting support is in sliding connection with the horizontal sliding plate through the cooperation of the guide rod and the guide hole.

Further, the above-mentioned empty mechanism of inserting is including fixing the first slip table cylinder on work platform, fix the first profile modeling plug at the flexible end of first slip table cylinder, fix the first installing support on work platform, fix on first installing support and can be used to place the first place platform of pipe fitting that awaits measuring and be used for detecting whether place the second detection sensor of pipe fitting that awaits measuring in the first place platform, the flexible direction and the straight line module parallel arrangement of first slip table cylinder, be equipped with the first standing groove that is used for placing the pipe fitting that awaits measuring on the first place platform, first standing groove extends to on the face that is close to first slip table cylinder on the flexible direction of first slip table cylinder along first place platform, still be equipped with the second detection through groove the same with the detection direction of second detection sensor on the first place platform, first slip table cylinder and second detection sensor all are connected with the control unit electricity, and the drive of first profile modeling plug through first slip table cylinder is in the pipe fitting interpolation that awaits measuring.

Further, the detection mechanism comprises a second sliding table cylinder fixed on the working platform, a tension sensor fixed at the telescopic end of the second sliding table cylinder, a second profiling plug fixed on the tension sensor, a second mounting bracket fixed on the working platform, a second placing platform fixed on the second mounting bracket and used for placing the pipe fitting to be detected, and a third detection sensor used for detecting whether the pipe fitting to be detected is placed in the second placing platform, a second placing groove used for placing the pipe fitting to be detected is arranged on the second placing platform, the extending direction of the second placing groove is parallel to the first placing groove, the second placing groove extends to the surface, close to the second sliding table cylinder, of the second placing platform along the telescopic direction of the second sliding table cylinder, a third detection through groove which is identical to the detecting direction of the third detection sensor is further arranged on the second placing platform, the second sliding table cylinder, the tension sensor and the third detection sensor are electrically connected with the control unit, and the second profiling plug performs a plug test in the pipe fitting to be detected through the driving of the second sliding table cylinder, and the plug force is transferred to the control unit through the tension sensor.

Further, the unloading mechanism comprises a blanking support fixed on the working platform, a good product pipeline and a bad product pipeline fixed on the blanking support, a good product receiving box arranged below the good product pipeline and a bad product receiving box arranged below the bad product pipeline, inlets of the good product pipeline and the bad product pipeline are fixedly arranged on the blanking support, an outlet of the good product pipeline is positioned above the good product receiving box, an outlet of the bad product pipeline is positioned above the bad product receiving box, a good product counting sensor and a good product unloading sensor are arranged on the good product pipeline, and the bad product pipeline is provided with a bad product counting sensor and a bad product unloading sensor which are electrically connected with the control unit.

The second object of the invention is to provide a detection method of the plugging force detection device, which can realize quick feeding, position correction, empty plugging test, plugging test and screening classification after test completion of pipe fittings, can greatly improve the efficiency of feeding, detection and screening discharging, and is efficient and convenient.

The technical scheme for realizing the purposes of the invention is as follows: the control unit in the present patent comprises a memory, a processor, and an operating program stored on the memory and operable on the processor to:

S1, presetting a numerical value: setting a standard value A of the plugging force on a control unit, wherein the data value of the plugging force detected by a tension sensor is B, the number of bins is X, and the number of times of driving the linear module by the control unit is Y;

s2, charging: loading each pipe fitting to be tested into a guide groove of each guide plate;

s2.1, when each pipe fitting to be detected is an equal-diameter pipe fitting, each pipe fitting to be detected is arranged in each guide chute in the same direction;

s2.2, when each pipe fitting to be detected is a reducer pipe fitting, each adjacent pipe fitting to be detected is oppositely arranged in each guide chute;

s3, feeding: the control unit sends a driving signal to the linear module, the linear module drives the mounting plate, the leftmost or rightmost guide plate is pressed against the cutting block, then the control unit sends the driving signal to the cutting cylinder, the cutting cylinder drives the cutting block and the receiving groove on the cutting block to enter the material blocking frame, and when the receiving groove is communicated with the guide groove and the detection through groove is communicated with the detection side groove, the cutting cylinder stops driving, and each feeding sensor detects whether feeding exists in the receiving groove;

s3.1, when the feeding detection sensor detects that a pipe fitting to be detected enters the receiving groove, a detection signal is sent to the control unit, the control unit sends a driving signal to the blanking cylinder again, and the blanking cylinder drives the receiving block with the pipe fitting to be detected to slide out of the material blocking frame;

S3.2, when the feeding detection sensor detects that no pipe fitting to be detected enters the receiving groove, sending a detection signal to the control unit, and sending a driving signal to the linear module again by the control unit, wherein the linear module drives the mounting plate to start moving, sequentially drives the next material guide plate to move to the material guide groove to be communicated with the receiving groove, and detects through the feeding sensor;

s3.2.1, repeating the operation steps of S3.1 when the material receiving groove is internally provided with feeding materials;

s3.2.2, repeating the operation step of S3.2 when no feed is still in the receiving groove; when y=x, the control unit stops driving the linear module;

s4, transferring: the control unit sends a driving signal to the driving motor and the pneumatic fingers, and after the pneumatic fingers transfer the pipe fitting to be tested in the receiving groove to the receiving groove on the carrier, each pneumatic finger resets;

s5, judging whether to rotate: the first detection sensor detects the pipe fitting to be detected in the butt joint groove and sends a detection result to the control unit;

s5.1, when each pipe fitting to be detected is an equal-diameter pipe fitting, the control unit does not send a driving signal to the rotating cylinder, or sends the driving signal to the rotating cylinder every time the pipe fitting to be detected is placed on the receiving groove;

S5.2, when each pipe fitting to be detected is a reducer pipe fitting, the first detection sensor is used for detecting the standard value of C, the actual detection value of the pipe fitting to be detected is C1 by the first detection sensor, when C is not equal to C1, the control unit sends a driving signal to the rotating cylinder, and when C is equal to C1, the control unit does not send the driving signal to the rotating cylinder;

s6, performing null insertion test: after the rotation judgment of the pipe fitting to be tested is finished, the control unit sends signals to the driving motor and the pneumatic fingers, the pneumatic fingers transfer the newly-fed pipe fitting to be tested in the receiving groove into the receiving groove, after the adjacent pneumatic fingers synchronously transfer the pipe fitting to be tested which is finished in the receiving groove into the first placing groove, each pneumatic finger resets, the second detection sensor sends detection signals to the control unit after detecting that the pipe fitting to be tested enters the first placing groove, the control unit sends driving signals for two times to the first sliding table cylinder, and the first profiling plug is used for sucking and inserting the pipe fitting to be tested twice;

s7, plug detection: after the empty insertion test is finished, the control unit sends a driving signal to the driving motor, all pneumatic fingers on the lifting support synchronously transfer the pipe fitting to be tested in the receiving groove to the receiving groove on the carrying platform, the pipe fitting to be tested which is judged on the receiving groove is transferred to the first placing groove, all the pneumatic fingers reset after the empty insertion detection pipe fitting to be tested in the first placing groove is transferred to the second placing groove, the third detection sensor detects that the pipe fitting to be tested enters the second placing groove, the detection signal is sent to the control unit, the control unit sends a driving signal to the second sliding table cylinder, the second sliding table cylinder drives the second profiling plug to carry out insertion and extraction detection on the pipe fitting to be tested, and the tension sensor transmits the detected data value B to the control unit;

S8, screening and blanking: after the insertion and extraction detection is finished, the control unit sends a driving signal to the driving motor, all pneumatic fingers on the lifting support synchronously transfer the pipe fitting to be detected in the receiving groove to the receiving groove on the carrying platform, transfer the judged pipe fitting to be detected on the receiving groove to the first placing groove, transfer the pipe fitting to be detected after the empty insertion and extraction detection in the first placing groove to the second placing groove, and take out the pipe fitting to be detected after the insertion and extraction detection in the second placing groove for screening and blanking;

s8.1, when B=A, after the pneumatic finger transfers the detected pipe fitting to the good product pipeline, loosening the pipe fitting, and in the falling process of the pipe fitting, detecting whether the pipe fitting falls into the good product pipeline or not by a good product blanking sensor, recording the number of good products by a good product counting sensor and sending a counting signal thereof to a control unit;

s8.2, when B is not equal to A, after the pneumatic finger transfers the detected pipe fitting onto the inferior product pipeline, loosening the pipe fitting, and in the falling process of the pipe fitting, detecting whether the pipe fitting falls into the inferior product pipeline or not by using the inferior product blanking sensor, and recording the quantity of inferior products by using the inferior product counting sensor and sending a counting signal thereof to the control unit;

Resetting each pneumatic finger after the blanking is completed;

s9, sequentially reciprocating the operation steps S2-S8, and feeding, rotating, inserting in an empty mode, detecting screening materials and discharging the pipe fittings to be tested.

The invention has the positive effects that: (1) According to the invention, the feeding mechanism, the correcting mechanism, the empty inserting mechanism, the detecting mechanism and the blanking mechanism are arranged on the working platform, so that a finished and automatic detection line is formed, the feeding mechanism is used for automatically feeding the pipe to be detected, the correcting station corrects the misplaced or reversely-placed pipe to be detected in position, the problems of misplacement and missed detection caused by misplacement or reversely-placed pipe to be detected in the prior art are solved, the detection precision of the later stage of the pipe to be detected can be ensured, the foundation is laid for the safety and practicality of the later stage of the pipe to be detected, the empty inserting mechanism can stably press the built-in coil spring in a form through empty insertion, the steady state inside the pipe to be detected and the use foundation of the later stage of the pipe to be detected are ensured, the detecting mechanism is used for accurately detecting the insertion force of each pipe to be detected, the product with qualified insertion force and the product with unqualified insertion force are distinguished through the arrangement of the blanking mechanism, the accurate classification is realized, the quick material separation and blanking is carried out, the conveying mechanism is used for realizing the synchronous movement of the pipe to be detected in the prior art, the automatic detection mechanism is also used for accurately gripping the pipe to be detected, the pipe to be detected when the new upper pipe to be detected is carried out, the automatic detection mechanism is used for accurately and the pipe to be detected, the accurate and the pipe to be detected is simultaneously and high in precision and convenient and high in the detection performance can be detected.

(2) According to the invention, the mounting plates and the working platform are arranged in a non-parallel mode, the guide grooves on the guide plates in the mounting grooves are also arranged in a non-parallel mode with the working platform, the pipe to be tested in each guide groove can be automatically fed through the dead weight and the guide of the inclined guide groove, if the pipe to be tested in the guide groove is an equal-diameter pipe, the pipe to be tested can be laid in the same direction, the situation of blocking in the guide groove cannot occur, if the pipe to be tested is a variable-diameter pipe, the adjacent two pipes are arranged in a reverse mode when the pipe to be tested is required to be arranged, so that the pipe to be tested is prevented from being blocked due to unidirectional inclination in the guide groove, the pipe to be tested in one guide groove can be taken in when the pipe to be tested slides out of the guide groove, the pipe to be accurately and efficiently fed in the guide groove is realized when the pipe to be tested slides out of the guide groove, meanwhile, whether the feeding sensor is accurately detected in the guide groove or not is required to be accurately detected in the guide groove, or the situation of not being fed in the guide groove is ensured, and the mounting plates are not accurately fed in the guide groove is ensured, and the feeding condition is high in time and is ensured.

(3) According to the invention, the detection side grooves are arranged on two sides of the receiving groove, and after the receiving groove is communicated with the guide groove on the guide plate, each detection side groove can be communicated with the detection through groove, so that the feeding sensor is ensured not to be blocked in the middle in the process of infrared sensing, and whether a pipe fitting to be detected exists in the receiving groove or not can be judged smoothly in the receiving groove, thereby realizing accurate judgment of whether feeding exists in the receiving groove, transmitting a sensing signal of the accurate judgment to the control unit, and controlling the next guide plate to feed by the control unit, so that the automatic feeding is realized, and the feeding is convenient and practical.

(4) According to the invention, the rotary cylinder is arranged on the working platform, the rotary cylinder drives the carrying seat to rotate, when the first detection sensor detects that the pipe fitting to be detected is the reducer pipe fitting in the process of detecting the pipe fitting to be detected, the first detection sensor can transmit signals of one end, different from the standard value, of the diameter size of the pipe fitting to be detected to the control unit, the control unit controls the carrying seat to rotate 180 degrees, and then the end needing to be inserted and detected is turned to one end of the first profiling plug and one end of the second profiling plug, so that the accurate feeding of the pipe fitting to be detected is ensured through accurate detection and accurate control of the carrying seat, and meanwhile, a foundation is laid for accurate insertion and detection in later period.

(5) According to the invention, the conveying mechanism is arranged, the driving motor drives the rotating plate to rotate, and each pneumatic finger on the lifting support can synchronously drive the pipe fitting to be tested on the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism and transfer the pipe fitting to the next adjacent station, so that synchronous, accurate and efficient transfer of each pipe fitting to be tested is realized.

(6) According to the invention, the limiting arc groove is formed in the carrying support, the first limiting sliding groove on the rotating plate is in sliding fit with the first limiting sliding groove on the rotating shaft, the second limiting pulley is in sliding fit with the limiting arc groove, the smooth rotation of the rotating plate is effectively ensured, the condition that the lifting support is blocked in the lifting process is effectively avoided, the lifting support is driven by the rotating plate to lift, the stability of the lifting support in lifting is ensured by the cooperation of the guide rod and the guide hole in the lifting process, and the stability, convenience and practicability of the pipe fitting to be tested on each pneumatic finger in the transferring process are further ensured.

(7) According to the invention, the corrected pipe fitting to be measured can be effectively positioned through the first placing groove on the first placing platform, after the second detection sensor detects that the pipe fitting enters the first placing groove, the control unit drives the first sliding table cylinder and drives the first profiling plug to perform the idle insertion on the pipe fitting to be measured, and the idle insertion is performed twice, the first placing groove can ensure the stability of the pipe fitting to be measured in the idle insertion process, and the built-in coil spring in the pipe fitting can be gradually kept in a stable state due to the idle insertion twice, so that a stable foundation is laid for the later-stage insertion and extraction force detection.

(8) According to the invention, the second placing groove is arranged to position the pipe fitting to be detected after the empty insertion, after the positioning is finished and the third detection sensor detects that the second placing groove is internally provided with the feeding, the control unit drives the second sliding table cylinder, the second sliding table cylinder drives the tension sensor and the second profiling plug to detect the insertion and extraction force of the pipe fitting to be detected, after the second profiling plug is extracted, the tension sensor transmits signals of the tension sensor and the second profiling plug to the control unit, and the control unit compares data, so that the pipe fitting to be detected can be efficiently detected in one aspect, and the accurate, practical and efficient detection of the insertion and extraction force of the stable pipe fitting can be ensured in the other aspect.

(9) According to the invention, the good product receiving box and the bad product receiving box are arranged on the blanking support, the control unit compares the data of the plugging force after the detection of each pipe fitting is completed, the pipe fitting qualified in the detection of the plugging force is transferred to the upper part of the good product pipeline through the pneumatic finger, the good product blanking sensor transmits signals to the control unit in the process of falling into the good product pipeline, the good product counting sensor also transmits counting signals to the control unit, the number of good products is counted while the blanking of the good pipe fitting is determined, and meanwhile, the bad products are also subjected to blanking and counting, so that on one hand, the pipe fitting can be conveniently and efficiently screened and separated according to the comparison of the data, on the other hand, the operating personnel can intuitively determine the good product quantity and the good product rate through counting, and the method is efficient and convenient.

(10) According to the invention, through the detection method of the plug force detection device, the pipe fitting to be detected is comprehensively detected through automatic feeding, correction, empty plug force detection and blanking, and the conveying mechanism can synchronously run each pipe fitting to be detected to the next station in the detection process, so that the high efficiency, the stability and the accuracy of the detection result are ensured, the overall detection quality is further ensured, and the method is convenient and practical.

Drawings

In order that the contents of the present patent will be more readily understood, the present patent will be described in further detail below with reference to specific embodiments thereof and with reference to the accompanying drawings, in which

FIG. 1 is a schematic diagram of the overall structure of a plug force detecting device according to the present invention;

FIG. 2 is a schematic diagram of the overall structure of the feeding mechanism in the present invention;

FIG. 3 is a schematic diagram of the overall structure of the material guiding plate during feeding according to the present invention;

FIG. 4 is a schematic view of the overall structure of the blanking assembly of the present invention;

FIG. 5 is a schematic view of the overall structure of the cutting block of the present invention;

FIG. 6 is a schematic diagram of the overall structure of the correction mechanism according to the present invention;

FIG. 7 is a schematic view of the overall structure of the hollow insertion mechanism of the present invention;

FIG. 8 is a schematic diagram of the overall structure of the detection mechanism according to the present invention;

FIG. 9 is a schematic view of the overall structure of the carrying mechanism according to the present invention;

FIG. 10 is a schematic view of the overall structure of the lifting bracket according to the present invention;

FIG. 11 is a schematic view of the overall structure of the transfer plate of the present invention;

FIG. 12 is a schematic diagram of the overall structure of the blanking mechanism of the present invention;

FIG. 13 is a product view of an intermediate diameter tube of the present invention, wherein the end A is the end to be tested of the intermediate diameter tube;

fig. 14 is a product view of a reducer pipe of the present invention, wherein the B end is the end of the reducer pipe to be tested.

Detailed Description

Referring to fig. 1 to 14, the invention has a working platform 1, wherein the working platform 1 is sequentially provided with a feeding station, a correcting station, an empty inserting station, a detecting station and a discharging station; the feeding mechanism 2 capable of feeding all the pipe fittings to be tested is arranged on the feeding station, the correcting mechanism 4 capable of correcting the positions of the pipe fittings to be tested is arranged on the correcting station, the empty inserting mechanism 5 capable of performing empty inserting test on the pipe fittings to be tested is arranged on the empty inserting station, the detecting mechanism 6 capable of detecting the inserting and extracting force of the pipe fittings to be tested is arranged on the detecting station, the discharging mechanism 7 capable of classifying and discharging the detected pipe fittings to be tested is arranged on the discharging station, the carrying mechanism 3 capable of transferring the pipe fittings to be tested on each station and the control unit for controlling the mechanisms to operate are further arranged on the working platform 1, the carrying mechanism 3 simultaneously transfers the workpieces on the feeding mechanism 2, the correcting mechanism 4, the empty inserting mechanism 5 and the detecting mechanism 6 to the adjacent next station under the driving of the driving device, and the driving device is electrically connected with the control unit.

The feeding mechanism 2 comprises a feeding bracket 21 fixed on the working platform 1, a linear module 22 fixed on the feeding bracket 21, a mounting plate 23 arranged on the linear module 22 in a sliding way under the driving of the linear module 22, a plurality of material guide plates 24 fixedly arranged on the mounting plate 23 and a material cutting assembly 25 fixed on the working platform 1, wherein the mounting plate 23 and the working platform 1 are arranged in a non-parallel way, the mounting plate 23 is provided with mounting grooves, each mounting plate 23 is provided with positioning sheets 231 which are oppositely arranged, the extending direction of each positioning sheet 231 is parallel to the extending direction of the material guide plate 24, one end of each positioning sheet 231 is fixed on the mounting plate 23, the other end of each positioning sheet 231 is suspended above the mounting groove, each material guide plate 24 is arranged in the mounting groove in a parallel way and is fixed in the mounting groove through the leaning of each positioning sheet 231, each guide plate 24 is provided with a guide groove 241, each guide groove 241 is internally provided with a baffle plate 242, each baffle plate 242 is used for blocking a pipe fitting to be tested in the process that each guide plate 24 takes out independent feeding, when feeding is carried out, the baffle plates 242 are in plug-in fit with the guide grooves 241, the material cutting assembly 25 comprises a material cutting bracket 251 fixed on the working platform 1, a material cutting frame 252 fixed on the material cutting bracket 251, a material cutting cylinder 253 fixed on the working platform 1, a telescopic plate 254 fixed on the telescopic end of the material cutting cylinder 253 and a material cutting block 255 fixed on the telescopic plate 254, the material cutting bracket 251 is provided with a sliding through groove for the sliding of the material cutting block 255, the extending direction of the sliding through groove is perpendicular to the linear module 22, one end of each guide plate 24 is pressed on the material cutting frame 252, one end of the material cutting groove 241 close to the material cutting bracket 251 is pressed on the material cutting bracket 251, one of the guide plates 24 is pressed against the cutting block 255, the cutting block 255 is provided with a receiving groove 257, the cutting block 255 is slidably connected to the cutting support 251 through the driving of the cutting cylinder 253 to the expansion plate 254, the receiving groove 257 extends into the material blocking frame 252 and then is communicated with the guide groove 241, two sides of the cutting support 251 are respectively provided with a feeding sensor 26 for detecting whether the receiving groove 257 is fed or not, and each feeding sensor 26 is electrically connected with the control unit.

The material cutting support 251 is provided with detection through grooves 256 which are parallel to the linear module 22, each feeding sensor 26 is positioned at two sides of the detection through grooves 256, two sides of the material receiving groove 257 are provided with detection side grooves 258 which are communicated with the material receiving groove 257, each detection side groove 258 is communicated with the detection through groove 256 after the material receiving groove 257 is communicated with the material guiding groove 241, and each feeding sensor 26 detects whether feeding exists in the material receiving groove 257 after the detection through groove 256 is communicated with each detection side groove 258.

Receiving grooves 257 of different sizes are respectively arranged on the upper end face and the lower end face of the cutting block 255, and detection side grooves 258 are respectively arranged on the upper end face and the lower end face.

The correction mechanism 4 comprises a rotary cylinder 41 fixed on the working platform 1 and a carrier seat 42 fixed on the driving end of the rotary cylinder 41, wherein a receiving groove 421 for receiving a pipe fitting to be detected is formed in the carrier seat 42, a first detection through groove 422 is further formed in the carrier seat 42, the extending direction of the first detection through groove 422 is perpendicular to the receiving groove 421, a first detection sensor 43 for detecting whether the pipe fitting to be detected is placed in the receiving groove 421 or not is further arranged on the working platform 1, and the rotary cylinder 41 and the first detection sensor 43 are electrically connected with a control unit.

The carrying mechanism 3 comprises a carrying bracket 31 fixed on the working platform 1, a driving motor 32 fixed on the carrying bracket 31, a rotating plate 33 rotatably arranged on the carrying bracket 31 under the driving of the driving motor 32, a horizontal sliding plate 34 horizontally and slidingly connected on the carrying bracket 31, a lifting bracket 35 connected on the horizontal sliding plate 34 in a lifting manner, a connecting plate 351 fixed on the lifting bracket 35, and a plurality of pneumatic fingers 36 respectively corresponding to the feeding mechanism 2, the correcting mechanism 4, the empty inserting mechanism 5 and the detecting mechanism 6 one by one and capable of grabbing a pipe fitting to be detected, wherein one end, far away from the lifting bracket 35, of the connecting plate 351 is rotatably connected with the rotating plate 33, each pneumatic finger 36 is fixed on the lifting bracket 35, each pneumatic finger 36 is rotatably connected with the connecting plate 351 through the driving of the driving motor 32, the lifting connection of the lifting bracket 35 and the horizontal sliding plate 34 and the sliding connection of the carrying bracket 31, and simultaneously transfers the feeding mechanism 2, the correcting mechanism 4, the empty inserting mechanism 5 and the detecting mechanism 6 to the next adjacent motor 32, and each pneumatic finger 36 is electrically connected with each pneumatic finger 36.

The carrying support 31 is provided with a first sliding rail which is horizontally arranged, the horizontal sliding plate 34 is provided with a plurality of first sliding blocks which correspond to the first sliding rails, the horizontal sliding plate 34 is connected to the carrying support 31 through the matching sliding of each first sliding block and each first sliding rail, the lifting support 35 is provided with a plurality of second sliding rails which are vertically arranged with the first sliding rails, the horizontal sliding plate 34 is provided with second sliding blocks which correspond to each second sliding rail, and the lifting support 35 is connected to the horizontal sliding plate 34 through the matching lifting of each second sliding block and each second sliding rail.

The carrying bracket 31 is provided with a limiting arc groove 311 coaxially arranged with the rotation axis of the rotating plate 33, the rotating plate 33 is provided with a limiting chute 331, the connecting plate 351 is fixedly provided with a rotating shaft 352, the rotating shaft 352 is provided with a first limiting pulley 353 and a second limiting pulley 354, the first limiting pulley 353 and the second limiting pulley 354 are both rotationally connected to the rotating shaft 352, the first limiting pulley 353 is positioned in the limiting chute 331, the second limiting pulley 354 is positioned in the limiting arc groove 311, the rotating plate 33 is reciprocally rotationally connected to the carrying bracket 31 through the driving of the driving motor 32 and the matching of the second limiting pulley 354 and the limiting arc groove 311, and the lifting bracket 35 is driven to lift through the matching of the rotating shaft 352 and the first limiting pulley 353; the lifting support 35 is fixedly provided with a vertically arranged guide rod 37 at one side deviating from the pneumatic finger 36, two ends of the guide rod 37 are fixedly connected with the lifting support 35 and the connecting plate 351 respectively, the horizontal sliding plate 34 is provided with a guide hole through which the guide rod 37 can pass, and the lifting support 35 is in sliding connection with the horizontal sliding plate 34 through the cooperation of the guide rod 37 and the guide hole.

The air inserting mechanism 5 comprises a first sliding table cylinder 51 fixed on the working platform 1, a first profiling plug 52 fixed at the telescopic end of the first sliding table cylinder 51, a first mounting bracket 53 fixed on the working platform 1, a first placing platform 54 fixed on the first mounting bracket 53 and used for placing a pipe fitting to be tested, and a second detecting sensor 57 used for detecting whether the first placing platform 54 is used for placing the pipe fitting to be tested, the telescopic direction of the first sliding table cylinder 51 is parallel to the linear module 22, a first placing groove 55 used for placing the pipe fitting to be tested is arranged on the first placing platform 54, the first placing groove 55 extends to a surface, close to the first sliding table cylinder 51, of the first placing platform 54 along the telescopic direction of the first sliding table cylinder 51, a second detecting through groove 56 which is the same as the detecting direction of the second detecting sensor 57 is further arranged on the first placing platform 54, the first sliding table cylinder 51 and the second detecting sensor 57 are electrically connected with a control unit, and the first profiling plug 52 is inserted into the pipe fitting to be tested through driving of the first sliding table cylinder 51.

The detection mechanism 6 comprises a second sliding table cylinder 61 fixed on the working platform 1, a tension sensor 62 fixed at the telescopic end of the second sliding table cylinder 61, a second profiling plug 63 fixed on the tension sensor 62, a second mounting bracket 64 fixed on the working platform 1, a second placing platform 65 fixed on the second mounting bracket 64 and used for placing a pipe fitting to be detected, and a third detection sensor 68 used for detecting whether the second placing platform 65 is used for placing the pipe fitting to be detected, a second placing groove 66 used for placing the pipe fitting to be detected is arranged on the second placing platform 65, the extending direction of the second placing groove 66 is parallel to the first placing groove 55, the second placing groove 66 extends to the surface, close to the second sliding table cylinder 61, of the second placing platform 65 along the telescopic direction of the second sliding table cylinder 61, a third detection through groove 67 with the same detection direction as the third detection sensor 68 is also arranged on the second placing platform 65, the second sliding table cylinder 61, the tension sensor 62 and the third detection sensor 68 are electrically connected with the control unit, and the second sliding table cylinder 61 is driven by the second sliding table cylinder 61 to perform profiling plug-in the test unit through the driving of the second sliding table cylinder 61.

The blanking mechanism 7 comprises a blanking support 71 fixed on the working platform 1, a good product pipeline 72 and a bad product pipeline 76 fixed on the blanking support 71, a good product receiving box 73 arranged below the good product pipeline 72 and a bad product receiving box 77 arranged below the bad product pipeline 76, inlets of the good product pipeline 72 and the bad product pipeline 76 are both fixedly arranged on the blanking support 71, an outlet of the good product pipeline 72 is located above the good product receiving box 73, an outlet of the bad product pipeline 76 is located above the bad product receiving box 77, a good product counting sensor 74 and a good product blanking sensor 75 are arranged on the good product pipeline 72, and the bad product counting sensor 74, the good product blanking sensor 75, the bad product counting sensor 78 and the bad product blanking sensor 79 are all electrically connected with the control unit.

The invention also relates to a detection method of the plug force detection device, wherein the control unit comprises a memory, a processor and an operation program which is stored on the memory and can run the following steps on the processor:

s1, presetting a numerical value: a standard value A of the plugging force is set on the control unit, the data value of the plugging force detected by the tension sensor 62 is B, the number of bins is X, and the number of times of driving the linear module 22 by the control unit is Y;

S2, charging: loading each pipe fitting to be tested into the guide groove 241 of each guide plate 24;

s2.1, when each pipe fitting to be detected is an equal-diameter pipe fitting, each pipe fitting to be detected is arranged in each guide groove 241 in the same direction;

s2.2, when each pipe fitting to be detected is a reducer pipe fitting, each adjacent pipe fitting to be detected is oppositely arranged in each guide groove 241;

s3, feeding: the control unit sends a driving signal to the linear module 22, the linear module 22 drives the mounting plate 23, the leftmost or rightmost guide plate 24 is pressed against the blanking block 255, then the control unit sends the driving signal to the blanking cylinder 253, the blanking cylinder 253 drives the blanking block 255 and a receiving groove 257 on the blanking block 255 to enter the material blocking frame 252, and after the receiving groove 257 is communicated with the guide groove 241 and the detection through groove 256 is communicated with the detection side groove 258, the blanking cylinder 253 stops driving, and each feeding sensor 26 detects whether feeding exists in the receiving groove 257;

s3.1, when a feeding detection sensor detects that a pipe fitting to be detected enters the receiving groove 257, a detection signal is sent to the control unit, the control unit sends a driving signal to the blanking cylinder 253 again, and the blanking cylinder 253 drives the receiving block with the pipe fitting to be detected to slide out of the material blocking frame 252;

S3.2, when the feeding detection sensor detects that no pipe fitting to be detected enters the receiving groove 257, a detection signal is sent to the control unit, the control unit sends a driving signal to the linear module 22 again, the linear module 22 drives the mounting plate 23 to start moving, and sequentially drives the next material guide plate 24 to move to the material guide groove 241 to be communicated with the receiving groove 257, and detection is carried out through the feeding sensor 26;

s3.2.1, repeating the operation step of S3.1 when the material receiving groove 257 is provided with a material feeding;

s3.2.2, repeating the operation step of S3.2 when no feed is still in the receiving groove 257; when y=x, the control unit stops driving the linear module 22;

s4, transferring: the control unit sends driving signals to the driving motor 32 and the pneumatic fingers 36, and after the pneumatic fingers 36 transfer the pipe fitting to be tested in the receiving groove 257 to the receiving groove 421 on the carrier seat 42, each pneumatic finger 36 resets;

s5, judging whether to rotate: the first detection sensor 43 detects the pipe fitting to be detected in the access groove 421 and sends the detection result to the control unit;

s5.1, when each pipe fitting to be detected is an equal-diameter pipe fitting, the control unit does not send a driving signal to the rotary cylinder 41, or sends the driving signal to the rotary cylinder 41 every time the pipe fitting to be detected is placed on the receiving groove 421;

S5.2, when each pipe fitting to be detected is a reducer pipe fitting, the first detection sensor 43 is used for detecting a standard value C of the pipe fitting to be detected through the control unit, the actual detection value of the pipe fitting to be detected through the first detection sensor 43 is C1, when C is not equal to C1, the control unit sends a driving signal to the rotating cylinder 41, and when C is equal to C1, the control unit does not send the driving signal to the rotating cylinder 41;

the first detection sensor 43 senses through infrared ranging, one end of the reducer pipe fitting is a jack requiring empty insertion and test insertion force, and the diameter of the other end of the reducer pipe fitting is larger than the diameter of the jack or smaller than the diameter of the jack, so that the diameter of one end of the jack requiring empty insertion and test insertion force is used as a standard value of the first detection sensor, when the diameter of the other end of the reducer pipe fitting is larger than or smaller than the diameter of an insertion hole end to be tested, the actual detection value C1 of the first detection sensor 43 is not identical with C, and the control unit controls the rotary cylinder 41 to drive the pipe fitting to be tested to rotate 180 degrees, so that the position of the pipe fitting to be tested is corrected, and the problem that in the prior art, due to the fact that the direction of the end to be tested of the pipe fitting to be tested is wrong or missed measurement, later use of the pipe fitting to be tested is affected is avoided;

S6, performing null insertion test: after the rotation judgment of the pipe fitting to be detected is finished, the control unit sends signals to the driving motor 32 and the pneumatic fingers 36, the pneumatic fingers 36 transfer the newly-fed pipe fitting to be detected in the receiving groove 257 into the receiving groove 421, after the adjacent pneumatic fingers 36 synchronously transfer the pipe fitting to be detected which is completely rotated in the receiving groove 421 into the first placing groove 55, each pneumatic finger 36 resets, the second detection sensor 57 sends detection signals to the control unit after detecting that the pipe fitting to be detected enters the first placing groove 55, and the control unit sends driving signals for the first sliding table cylinder 51 for two times, and the first profiling plug 52 is used for sucking and inserting the pipe fitting to be detected for two times;

based on the correction of the position in the S5, the to-be-detected end of the pipe fitting to be detected can be ensured to correspond to the first square plug, the number of times of the blank insertion is two times during the normal blank insertion test, the form of the built-in coil spring in the pipe fitting to be detected can be stable due to the blank insertion twice, the excessive blank insertion times can influence the result of the second profiling male plug on the test of the insertion force of the pipe fitting to be detected in the later stage, the insertion times are too small, the state of the built-in coil spring is unstable, and the test of the insertion force of the pipe fitting to be detected can be influenced as well;

s7, plug detection: after the empty insertion test is finished, the control unit sends a driving signal to the driving motor 32, all pneumatic fingers 36 on the lifting support 35 synchronously transfer the pipe fitting to be tested in the receiving groove 257 to the receiving groove 421 on the carrying platform, transfer the judged pipe fitting to be tested on the receiving groove 421 to the first placing groove 55, and transfer the pipe fitting to be tested after the empty insertion test in the first placing groove 55 to the second placing groove 66, after all pneumatic fingers 36 reset, the third detection sensor 68 detects that the pipe fitting to be tested enters the second placing groove 66, sends a detection signal to the control unit, the control unit sends a driving signal to the second sliding table cylinder 61, the second sliding table cylinder 61 drives the second profiling plug 63 to perform insertion and extraction detection on the pipe fitting to be tested, and the tension sensor 62 sends a detected data value B to the control unit;

S8, screening and blanking: after the insertion and extraction detection is completed, the control unit sends a driving signal to the driving motor 32, and each pneumatic finger 36 on the lifting support 35 synchronously transfers the pipe fitting to be detected in the receiving groove 257 to the receiving groove 421 on the carrying platform, transfers the pipe fitting to be detected judged on the receiving groove 421 to the first placing groove 55, transfers the pipe fitting to be detected which is empty in the first placing groove 55 and is detected to the second placing groove 66, and takes out the pipe fitting to be detected which is inserted and extracted in the second placing groove 66 for screening and blanking;

s8.1, when B=A, after the pneumatic finger 36 transfers the detected pipe fitting to the good product pipeline 72, loosening the pipe fitting, and in the falling process of the pipe fitting, detecting whether the pipe fitting falls into the good product pipeline 72 by the good product blanking sensor 75, recording the number of good products by the good product counting sensor 74 and sending a counting signal thereof to the control unit;

s8.2, when B is not equal to A, after the pneumatic finger 36 transfers the detected pipe fitting onto the inferior product pipeline 76, loosening the pipe fitting, and in the falling process of the pipe fitting, detecting whether the pipe fitting falls into the inferior product pipeline 76 or not by the inferior product blanking sensor 79, and recording the number of inferior products by the inferior product counting sensor 78 and sending a counting signal thereof to the control unit;

Resetting each pneumatic finger 36 after the blanking is completed;

While the foregoing embodiments have been described in some detail for purposes of clarity of understanding, it will be appreciated that the above description is by way of example only and is not intended to limit the invention, and that any changes, equivalents, modifications, etc. that come within the spirit and principles of the invention are desired to be protected.

Claims

1. The detection method of the plugging force detection device is characterized in that: the device comprises a plug force detection device, wherein the plug force detection device is provided with a working platform, and the working platform is sequentially provided with a feeding station, a correcting station, an empty plug station, a detection station and a discharging station; the device comprises a feeding station, a correcting station, a detecting station, a conveying mechanism, a correcting mechanism, an empty inserting mechanism and a control unit, wherein the feeding mechanism is arranged on the feeding station and can feed various pipe fittings to be detected, the correcting mechanism is arranged on the correcting station and can correct the positions of the pipe fittings to be detected, the empty inserting mechanism is arranged on the empty inserting station and can perform empty inserting test on the pipe fittings to be detected, the detecting mechanism is arranged on the detecting station and can detect the inserting and extracting force of the pipe fittings to be detected, the discharging mechanism is arranged on the discharging station and can classify and discharge the detected pipe fittings to be detected, the conveying mechanism is further arranged on the working platform and can transfer the pipe fittings to be detected on each station, the control unit is used for controlling the various mechanisms to operate, and workpieces on the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism are simultaneously transferred to the next adjacent stations under the driving of a driving device, and the driving device is electrically connected with the control unit;

The feeding mechanism comprises a feeding support fixed on a working platform, a linear module fixed on the feeding support, a mounting plate, a plurality of guide plates and a cutting assembly, wherein the mounting plate is arranged on the linear module in a sliding mode under the driving of the linear module, the guide plates are fixedly arranged on the mounting plate, the cutting assembly is fixed on the working platform, the mounting plate and the working platform are arranged in a non-parallel mode, the mounting plate is provided with mounting grooves, the guide plates are arranged in parallel and fixedly arranged in the mounting grooves, guide grooves are formed in the guide plates, the cutting assembly comprises a cutting support fixed on the working platform, a stop frame fixed on the cutting support, a cutting cylinder fixed on the working platform, a telescopic plate fixed on the telescopic end of the cutting cylinder and a cutting block fixed on the telescopic plate, the sliding through grooves are arranged on the cutting support, the extending direction of the sliding through grooves is perpendicular to the linear module, one end of each guide plate is pressed on the stop frame, one end of each guide groove is pressed on the guide plate in the guide frame, one end of each guide plate is pressed on the guide frame, one guide block is connected with the guide groove in the guide groove, and the two sides of the guide blocks are connected with the guide grooves in a feeding guide groove through a feeding sensor, and the sensor is connected with the guide grooves in the feeding support;

The material cutting support is provided with detection through grooves which are arranged in parallel with the linear modules, each feeding sensor is positioned at two sides of the detection through groove, two sides of the material receiving groove are provided with detection side grooves which are communicated with the material receiving groove, each detection side groove is communicated with the detection through groove after the material receiving groove is communicated with the material guiding groove, and each feeding sensor detects whether feeding exists in the material receiving groove after the detection through groove is communicated with each detection side groove;

the correcting mechanism comprises a rotary air cylinder fixed on a working platform and a carrier seat fixed on the driving end of the rotary air cylinder, wherein the carrier seat is provided with a receiving groove for receiving a pipe fitting to be detected, the carrier seat is also provided with a first detection through groove, the extending direction of the first detection through groove is perpendicular to the receiving groove, the working platform is also provided with a first detection sensor for detecting whether the pipe fitting to be detected is placed in the receiving groove, and the rotary air cylinder and the first detection sensor are electrically connected with a control unit;

the conveying mechanism comprises a conveying support fixed on a working platform, a driving motor fixed on the conveying support, a rotating plate rotatably arranged on the conveying support under the driving of the driving motor, a horizontal sliding plate horizontally connected on the conveying support, a lifting support connected on the horizontal sliding plate in a lifting manner, a connecting plate fixed on the lifting support, and a plurality of pneumatic fingers which are respectively in one-to-one correspondence with the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism and can grab a pipe fitting to be detected, wherein one end of the connecting plate far away from the lifting support is rotatably connected with the rotating plate, each pneumatic finger is fixed on the lifting support, the rotating plate is rotatably connected with the connecting plate through the driving motor, the lifting support is connected with the lifting of the horizontal sliding plate, and the sliding connection of the horizontal sliding plate and the conveying support simultaneously transfers the feeding mechanism, the correcting mechanism, the empty inserting mechanism and the detecting mechanism to the next adjacent mechanism;

The carrying support is provided with a limiting arc groove coaxially arranged with the rotating axis of the rotating plate, the rotating plate is provided with a limiting chute, the connecting plate is fixedly provided with a rotating shaft, the rotating shaft is provided with a first limiting pulley and a second limiting pulley, the first limiting pulley and the second limiting pulley are both rotationally connected to the rotating shaft, the first limiting pulley is positioned in the limiting chute, the second limiting pulley is positioned in the limiting arc groove, the rotating plate is driven by a driving motor, the second limiting pulley is in reciprocating rotation connection with the limiting arc groove in a matched mode, and the lifting support is driven to lift by the matching of the rotating shaft and the first limiting pulley; a guide rod which is vertically arranged is fixedly arranged on one side, away from the pneumatic finger, of the lifting support, two ends of the guide rod are fixedly connected with the lifting support and the connecting plate respectively, a guide hole through which the guide rod can pass is formed in the horizontal sliding plate, and the lifting support is in sliding connection with the horizontal sliding plate through the cooperation of the guide rod and the guide hole;

the air inserting mechanism comprises a first sliding table cylinder fixed on a working platform, a first profiling plug fixed at the telescopic end of the first sliding table cylinder, a first mounting bracket fixed on the working platform, a first placing platform fixed on the first mounting bracket and used for placing a pipe fitting to be tested, and a second detection sensor used for detecting whether the pipe fitting to be tested is placed in the first placing platform, the telescopic direction of the first sliding table cylinder is parallel to the linear module, a first placing groove used for placing the pipe fitting to be tested is arranged on the first placing platform, the first placing groove extends to a surface, close to the first sliding table cylinder, of the first placing platform along the telescopic direction of the first sliding table cylinder, a second detection through groove with the same detection direction as the second detection sensor is further arranged on the first placing platform, the first sliding table cylinder and the second detection sensor are electrically connected with the control unit, and the first profiling plug is driven by the first sliding table cylinder to insert and extract the pipe fitting to be tested;

The detection mechanism comprises a second sliding table cylinder fixed on the working platform, a tension sensor fixed at the telescopic end of the second sliding table cylinder, a second profiling plug fixed on the tension sensor, a second mounting bracket fixed on the working platform, a second placing platform fixed on the second mounting bracket and used for placing a pipe fitting to be detected, and a third detection sensor used for detecting whether the pipe fitting to be detected is placed in the second placing platform, wherein the second placing platform is provided with a second placing groove used for placing the pipe fitting to be detected, the extending direction of the second placing groove is parallel to the first placing groove, the second placing groove extends to a surface, close to the second sliding table cylinder, of the second placing platform along the telescopic direction of the second sliding table cylinder, a third detection through groove which is the same as the detecting direction of the third detection sensor is also arranged on the second placing platform, the second sliding table cylinder, the tension sensor and the third detection sensor are electrically connected with the control unit, and the second profiling plug performs a plug test in the pipe fitting to be detected through the driving of the second sliding table cylinder and transmits the detected plug force to the control unit through the tension sensor;

The blanking mechanism comprises a blanking support fixed on a working platform, a good product pipeline and a bad product pipeline fixed on the blanking support, a good product receiving box arranged below the good product pipeline, and a bad product receiving box arranged below the bad product pipeline, wherein inlets of the good product pipeline and the bad product pipeline are fixedly arranged on the blanking support, an outlet of the good product pipeline is positioned above the good product receiving box, an outlet of the bad product pipeline is positioned above the bad product receiving box, a good product counting sensor and a good product blanking sensor are arranged on the good product pipeline, a bad product counting sensor and a bad product blanking sensor are arranged on the bad product pipeline, and the good product counting sensor, the good product blanking sensor, the bad product counting sensor and the bad product blanking sensor are all electrically connected with the control unit;

the control unit includes a memory, a processor, and an operating program stored on the memory and executable on the processor to:

Resetting each pneumatic finger after the blanking is completed;