CN114264432A - Intelligent detection device and detection method for valve performance - Google Patents

Abstract

The invention belongs to the technical field of valve detection, and particularly relates to an intelligent detection device and a detection method for valve performance, wherein the intelligent detection device comprises a rotary seat, a stepping motor and a controller, wherein the rotary seat is arranged on a machine body and is driven to rotate by the stepping motor; the clamping arms are fixedly connected to the rotating seat along the ring shape, are used for clamping or unloading the valve body and connecting one end of the valve body with an inflating assembly arranged on the machine body, and are used for inflating detection gas into the valve body; the detection assembly is arranged on a first driving mechanism arranged on the machine body, the first driving mechanism is used for driving the detection assembly to approach or depart from the clamping arm, and the detection assembly is used for detecting whether detection gas leaks from the other end of the valve body; and the control end is electrically connected with the stepping motor, the inflation assembly, the detection assembly and the driving mechanism. The invention can automatically detect and classify the valve bodies of different types, simplify the circuit and the pipeline and prevent winding.

Description

Intelligent detection device and detection method for valve performance

Technical Field

The invention belongs to the technical field of valve detection, and particularly relates to an intelligent detection device and method for valve performance.

Background

For a valve body, the sealing performance of the valve body is one of the most important indexes of the valve body, and before each valve body leaves a factory, the sealing performance of each valve body generally needs to be detected.

For example, the publication No. CN109916575B discloses a device for detecting the sealing performance of a valve, which can realize the automatic batch detection of valve bodies, has high detection efficiency, can realize the detection of a plurality of valve bodies at one time, realize the automatic feeding, conveying, detection and the material distribution of qualified products and unqualified products, and effectively ensure the accuracy and batch production of the valve body detection, has simple structure and convenient use, and when in detection, firstly controls to open an inflation control valve to fill gas with certain pressure into an air bag under the condition that a detection control valve is closed, then closes the inflation control valve, hermetically connects a detection connecting nozzle with the valve body to be detected, then opens the detection control valve, judges whether the air pressure of the air bag is reduced by an air pressure sensor in the air bag connected with a controller, and further judges that the sealing performance of the valve body meets the requirements, and can conveniently install and debug each component, the debugging is convenient simple, can effectively guarantee the efficiency that the valve body leakproofness detected.

Still as publication No. CN107991073B discloses a testing arrangement and method, computer equipment of plastic valve, the testing arrangement of plastic valve includes frame, pressure measurement mechanism, moment of torsion measuring mechanism, moment of torsion mechanism, temperature environment case, control mechanism and a pair of sealing jig, is equipped with the bearing rod in the frame, the both sides of bearing rod are equipped with the drive plate by a actuating mechanism drive respectively, and sealing jig is used for sealing the both sides of valve to be measured, is equipped with the gas pocket that is used for with the air supply intercommunication on the sealing jig, and pressure measurement mechanism is used for detecting the pressure in the valve and controls the break-make of gas pocket and air supply, moment of torsion measuring mechanism is used for carrying out the twisting operation to the valve rod of valve to be measured, and frame, moment of torsion mechanism and moment of torsion measuring mechanism set up in temperature environment case. The valve can be quickly installed and accurately positioned, and the sealing performance and the torque performance of the valve under different temperatures and pressures can be tested, so that the performance of the plastic valve can be tested more accurately.

The device for detecting the sealing performance of the valve in the prior art is single in specification and dimension and difficult to detect the valve bodies with different specifications and dimensions. Meanwhile, the detection device in the prior art is difficult to automatically classify the detected valve bodies, and meanwhile, the detection device in the prior art is complex in circuit and pipeline, so that the fault rate is high, and the detection efficiency is influenced.

Disclosure of Invention

In view of the above disadvantages, the present invention provides an intelligent detection device and method for valve performance.

The invention provides the following technical scheme:

an intelligent valve performance detection device, comprising:

the rotating seat is arranged on the machine body and is driven to rotate by the stepping motor;

the clamping arms are fixedly connected to the rotating seat along the ring shape, are used for clamping or unloading the valve body and connecting one end of the valve body with an inflating assembly arranged on the machine body, and are used for inflating detection gas into the valve body;

the detection assembly is arranged on a first driving mechanism arranged on the machine body, the first driving mechanism is used for driving the detection assembly to approach or depart from the clamping arm, and the detection assembly is used for detecting whether detection gas leaks from the other end of the valve body;

the control end is electrically connected with the stepping motor, the inflation assembly, the detection assembly and the driving mechanism;

the clamping arm comprises an arm body provided with a mounting groove, the arm body positioned at the notch of the mounting groove is provided with an electric clamping jaw mounting groove, a sliding seat arranged on a sliding rail I is arranged in the mounting groove, and the sliding seat is driven by a driving mechanism II to do linear motion along the direction close to or far away from the through hole;

the sliding seat is rotatably provided with a first connecting pipe, and the first connecting pipe is driven to rotate by a third driving mechanism arranged on the sliding seat;

a second connecting pipe with external threads is arranged at one end, close to the through hole, of the first connecting pipe, a third connecting pipe is inserted at one end, far away from the through hole, of the second connecting pipe, and a sealing bearing is arranged between the first connecting pipe and the third connecting pipe; the third connecting pipe is fixedly connected with the sliding seat and is communicated with a butt joint port arranged at the upper end of the arm body through a hose.

The mounting groove is also internally provided with a controller and a storage battery, and the upper end of the arm body is provided with a control button;

the storage battery, the electric clamping jaw, the control button, the driving mechanism III and the driving mechanism II are electrically connected with the controller; the controller is in wireless communication connection with the control end;

be equipped with yields frame and the waste product frame that is located the centre gripping arm below on the organism, equal rigid coupling has support one on the organism that is located yields frame and waste product frame one side, and the rigid coupling has the electric cylinder with control end electric connection on the support one, and electric cylinder's piston rod one end rigid coupling has the press head.

The inflation assembly comprises a second support fixedly connected to the machine body, a support table is fixedly connected to the second support, and a lifting device is mounted on the support table and used for driving the butt joint to do vertical linear motion; the butt joint is connected with an electromagnetic valve fixedly connected on the supporting table through an air pipe; the electromagnetic valve is connected with the air supply pipe and is electrically connected with the control end.

The detection assembly comprises a sealing cover body, and the sealing cover body is connected with the first driving mechanism through a connecting frame;

a detection gas sensor electrically connected with the control end is arranged on the wall of the detection cavity of the sealing cover body;

a pair of sealing covers are symmetrically arranged at the opening end of the sealing cover body; the sealing covers are connected with a driving mechanism IV through a transmission rod, the driving mechanism IV is used for driving the pair of sealing covers to move in opposite directions or in opposite directions, and the driving mechanism IV is electrically connected with the control end.

An elastic membrane is connected between the inner side of the sealing cover and the cavity opening of the detection cavity;

the sealing cover is provided with a sealing flange, and the outer side of the arm body is provided with a sealing groove.

The second connecting pipe is detachably connected with the first connecting pipe;

one side of the first sliding rail is provided with a second sliding rail, and a second sliding block of the second sliding rail is fixedly connected with a limit switch electrically connected with the controller;

still be equipped with slide rail three in the mounting groove, the rigid coupling has the cylinder of unloading with controller electric connection on slide block three of slide rail three, and the piston rod one end rigid coupling of the cylinder of unloading has the block rubber.

And the second sliding block and the third sliding block are fixedly connected with a fixing component, the fixing component comprises a fixing block, and a bolt is arranged in a threaded hole formed in the fixing block.

The wall of the through hole is provided with a positioning groove, a positioning fixture block is slidably arranged in the positioning groove, the inner side of the positioning fixture block is fixedly connected with a guide rod, and the guide rod is inserted into a guide groove formed in the arm body; arc surfaces are arranged at the two ends of the outer side of the positioning clamping block;

a spring is connected between the inner side of the positioning fixture block and the bottom of the positioning groove;

the inner side of the positioning fixture block is fixedly connected with an adsorption block, and the bottom of the positioning groove is fixedly connected with an electromagnet electrically connected with the controller.

A first gear is fixedly connected to the first connecting pipe; the driving mechanism III comprises a motor which is fixedly connected to the sliding seat and electrically connected with the controller, a gear II is fixedly connected to a motor shaft of the motor, and the gear II is meshed with the gear I.

A detection method of an intelligent valve performance detection device comprises the following steps:

s1, adjusting the positions of a limit switch and a discharging cylinder according to the size specification of the valve body to be detected, and setting the feeding amount of the sliding seat under the driving of the driving mechanism II; mounting a second connecting pipe with a corresponding model;

s2, inserting the valve body into the through hole, and controlling the electric clamping jaw to clamp the valve body outside the through hole when the positioning clamping block is clamped into the groove on the surface of the valve body under the action of the elastic force of the spring;

s3, controlling the driving mechanism III to drive the connecting pipe I to rotate and controlling the driving mechanism II to drive the sliding seat to move towards the valve body; when one side of the sliding seat is in contact with the limit switch, the driving mechanism III and the driving mechanism II stop operating, and the connecting pipe II is screwed into the threaded air inlet hole at one end of the valve body;

s4, controlling the stepping motor to drive the rotating seat to rotate until the clamping arm clamping the valve body to be tested is positioned below the inflation assembly; controlling the lifting device to drive the butt joint to move downwards until the butt joint is inserted into the butt joint port;

controlling a driving mechanism I to drive the detection assembly to move towards a clamping arm clamping the valve body to be detected until the sealing cover corresponds to the sealing groove; the fourth control driving mechanism drives the pair of sealing covers to move oppositely, so that the sealing flanges are inserted into the sealing grooves;

s5, controlling the solenoid valve to open, and filling detection gas into the valve body; detecting whether the detection gas leaks in the detection cavity by the detection gas sensor, and recording detection information by the control end;

s6, controlling the lifting device to drive the butt joint to move upwards until the butt joint leaves the butt joint port;

the fourth control driving mechanism drives the pair of sealing covers to move back and forth, so that the sealing flanges leave the sealing grooves;

controlling a driving mechanism I to drive the detection assembly to move towards the direction far away from the clamping arm until the detection assembly returns to the original position;

s7, controlling the stepping motor to drive the rotating seat to rotate;

when the clamping arm clamping the qualified valve body moves to the position above the good product frame, controlling an electric cylinder above the good product frame to drive a pressing head to move downwards, and when the pressing head touches a control button, controlling a driving mechanism III to drive a connecting pipe I to rotate reversely, and controlling a driving mechanism II to drive a sliding seat to move towards the direction far away from the valve body, so that the connecting pipe II is screwed out of a threaded air inlet at one end of the valve body; electrifying the electromagnet, enabling the electromagnet to adsorb the adsorption block, enabling the positioning fixture block to leave the groove on the surface of the valve body, controlling the electric clamping jaw to loosen the valve body, controlling the discharging cylinder to drive the piston rod to push the valve body away from the through hole, and enabling the qualified valve body to fall into a good product frame;

when a clamping arm clamping an unqualified valve body moves above a waste product frame, controlling an electric cylinder above the waste product frame to drive a pressing head to move downwards, and when the pressing head touches a control button, controlling a driving mechanism III to drive a connecting pipe I to rotate reversely, and controlling a driving mechanism II to drive a sliding seat to move towards the direction far away from the valve body, so that the connecting pipe II is screwed out of a threaded air inlet at one end of the valve body; electrifying the electromagnet, enabling the electromagnet to adsorb the adsorption block, enabling the positioning fixture block to leave the groove on the surface of the valve body, controlling the electric clamping jaw to loosen the valve body, controlling the discharging cylinder to drive the piston rod to push the valve body away from the through hole, and enabling the unqualified valve body to fall into a waste frame;

and S8, rotating the clamping arm to a feeding station to wait for the next feeding.

The invention has the beneficial effects that:

1. the valve body can be conveniently and quickly fixed and can be connected with the air supply device, so that the tightness of the valve body can be automatically detected, and the valve body can be automatically classified according to the detection result;

2. according to the invention, the replaceable connecting pipe II is arranged, and the position-adjustable limit switch and the discharging cylinder are arranged, so that valve bodies of different specifications and models can be detected, and the connection accuracy of the connecting pipe II and the valve bodies can be improved by arranging the positioning fixture block;

3. according to the invention, the storage battery is arranged for supplying power, and the control button, the inflation assembly and the detection assembly are arranged for feeding connection, so that the winding of a circuit and a pipeline caused by the rotation of the rotary seat can be avoided.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the electric cylinder mounting of the present invention;

FIG. 3 is an enlarged view at A in FIG. 1;

FIG. 4 is a schematic structural view of an inflation assembly of the present invention;

FIG. 5 is a schematic view of the detection assembly of the present invention;

FIG. 6 is a top view of the clamp arm of the present invention;

FIG. 7 is a schematic view of the internal structure of the clamp arm of the present invention;

FIG. 8 is an enlarged view at B of FIG. 7;

FIG. 9 is an enlarged view at C of FIG. 7;

FIG. 10 is an enlarged view at D of FIG. 7;

FIG. 11 is an enlarged view at E of FIG. 7;

fig. 12 is an enlarged view at F in fig. 7.

Labeled as: the device comprises a machine body 101, a first support frame 102, a waste frame 103, a rotary base 104, a good product frame 105, a second support frame 106, a first driving mechanism 107, a connecting frame 108, an electric cylinder 109, a pressing head 110, a support base 111, an electromagnetic valve 112, a lifting device 113, a butt joint 114, a clamping arm 200, an arm body 201, a control button 202, a sealing groove 203, a butt joint 204, an electric clamping jaw 205, a valve body 206, a positioning clamping block 207, a guide rod 208, a spring 209, an electromagnet 210, an adsorption block 211, a second connecting pipe 212, a first sliding rail 213, a controller 214, a sliding base 215, a storage battery 216, a second driving mechanism 217, a first connecting pipe 218, a third sliding rail 219, a discharging cylinder 220, a rubber block 221, a fixed block 222, a second sliding rail 223, a limit switch 224, a first gear 227, a second gear 228, a motor 229, a bearing 230, a third connecting pipe 231, a sealing bearing 232, a hose 233, a detection assembly 300, a sealing cover body 301, a sealing cover 302, a detection cavity 303, a detection cavity 107, a detection cavity, and a detection cavity, and a detection cavity, wherein the detection cavity, and a detection cavity are arranged in which are, An elastic membrane 304, a detection gas sensor 305, a sealing flange 306, a driving mechanism four 307, a transmission rod 308 and a control end 400.

Detailed Description

Example one

As shown in the figure, the intelligent detection device for the performance of the valve comprises a machine body 101 and a control end 400, wherein a rotary seat 104 is installed on the machine body 101, the rotary seat 104 is driven to rotate by a stepping motor, the stepping motor is electrically connected with the control end 400, and the running parameters of the stepping motor can be set through the control end 400.

A plurality of clamping arms 200 are uniformly and fixedly mounted on the rotary base 104 along the annular direction, the valve body 206 can be clamped or unloaded by the clamping arms 200, one end of the valve body 206 can be connected with an inflation assembly arranged on the machine body 101 by the clamping arms 200, and the inflation assembly is used for filling detection gas into the valve body 206. The first driving mechanism 107 is further installed on the body 101, the detection assembly 300 is installed on the first driving mechanism 107, the detection assembly 300 can be driven to be close to or far away from the clamping arm 200 through the first driving mechanism 107, and after the detection assembly 300 is close to the clamping arm 200, whether detection gas leakage exists at the other end of the valve body 206 or not can be detected through the detection assembly 300. The first driving mechanism 107 can be a common electric linear sliding table. The inflation assembly, the detection assembly 300 and the first driving mechanism 107 are all electrically connected with the control end 400, so that whether the inflation assembly inflates or not can be controlled through the control end 400, the detection result can be checked and recorded through the control end 400, and the first driving mechanism 107 can be controlled through the control end 400.

Still be equipped with controller 214 and battery 216 in the mounting groove, supply power through battery 216 for controller 214, can avoid the electric wire to be connected with centre gripping arm 200 to when avoiding centre gripping arm 200 to rotate, cause the electric wire winding.

Specifically, the clamping arm 200 comprises an arm body 201 provided with a mounting groove, and an electric clamping jaw 205 is mounted on the arm body 201 at the notch of the mounting groove, and the electric clamping jaw 205 is used for clamping a valve body 206. The mounting groove is internally provided with a sliding seat 215 arranged on the first sliding rail 213, and the sliding seat 215 is driven by a second driving mechanism 217 to do linear motion along the direction close to or far away from the through hole. The second driving mechanism 217 may be a common electric linear sliding table or an electric cylinder.

The sliding seat 215 is rotatably mounted with a first connecting pipe 218, and specifically, the first connecting pipe 218 is mounted in a bearing 230 on the sliding seat 215. The first connecting pipe 218 is driven to rotate by a third driving mechanism mounted on the sliding seat 215. Specifically, the first gear 227 is fixedly mounted on the first connecting pipe 218, the third driving mechanism includes a motor 229 fixedly mounted on the sliding seat 215 and electrically connected to the controller 214, a second gear 228 is fixedly mounted on a motor shaft of the motor 229, and the second gear 228 is engaged with the first gear 227. The motor 229 can drive the motor shaft to rotate the first connecting pipe 218.

The end, close to the through hole, of the first connecting pipe 218 is provided with a second connecting pipe 212 provided with external threads, the end, away from the through hole, of the second connecting pipe 218 is inserted with a third connecting pipe 231, and a sealing bearing 232 is arranged between the first connecting pipe 218 and the third connecting pipe 231. The third connecting pipe 231 is fixedly connected with the sliding seat 215, and the third connecting pipe 231 is connected with the butt joint port 204 arranged at the upper end of the arm body 201 through a hose 233.

The second driving mechanism 217 drives the sliding seat 215 to move towards the valve body 206, and the third driving mechanism drives the first connecting pipe 218 to rotate at the same time, so that the second connecting pipe 212 can be screwed into the threaded air inlet of the valve body 206. The detection gas introduced into the hose 233 may be introduced into the valve body 206 through the third connection pipe 231, the first connection pipe 218, and the second connection pipe 212 in sequence.

The upper end of the arm body 201 is provided with a control button 202. The electric clamping jaw 205, the control button 202, the driving mechanism III and the driving mechanism II 217 are electrically connected with the controller 214, and the controller 214 is in wireless communication connection with the control end 400, so that the clamping arm 200 can be prevented from being connected with other equipment through a line, and the line winding can be prevented from occurring when the clamping arm 200 rotates.

Be equipped with non-defective products frame 105 and waste product frame 103 that are located centre gripping arm 200 below on organism 101, all fixedly connected with support 102 on the organism 101 that is located non-defective products frame 105 and waste product frame 103 one side, fixed mounting has electric cylinder 109 with control end 400 electric connection on the support 102, and electric cylinder 109's piston rod one end fixedly connected with press head 110. When the qualified valve body 206 is located above the good product frame 105, the electric cylinder 109 is controlled to drive the piston rod to drive the pressing head 110 to press the control button 202, so that the clamping arm 200 finishes the unloading action, and the qualified valve body 206 falls into the good product frame 105; when the unqualified valve body 206 is detected and positioned above the waste product frame 103, the electric cylinder 109 is controlled to drive the piston rod to drive the pressing head 110 to press the control button 202, so that the clamping arm 200 finishes the unloading action, and the unqualified valve body 206 is detected and falls into the waste product frame 103.

The inflation assembly comprises a second support 106 fixedly connected to the machine body 101, a support table 111 is fixedly connected to the second support 106, a lifting device 113 is installed on the support table 111, the lifting device 113 is used for driving the butt joint 114 to do vertical linear motion, and the lifting device 113 is common in the prior art. The butt joint 114 is connected to an electromagnetic valve 112 fixedly connected to the support base 111 through an air pipe. The solenoid valve 112 is connected to the air supply pipe and electrically connected to the control terminal 400, and the solenoid valve 112 can be controlled by the control terminal 400 to open and close, thereby controlling the inflation.

The detection assembly 300 includes a sealed enclosure 301, and the sealed enclosure 301 is connected to the first driving mechanism 107 through the connecting frame 108. The detection gas sensor 305 electrically connected with the control end 400 is arranged on the wall of the detection cavity 303 of the sealing cover body 301, the detection gas sensor 305 can detect whether detection gas exists in the detection cavity 303 or not and transmit detection information to the control end 400, the control end 400 judges whether the detected valve body 206 is a qualified product or not through the detection information and records the detection information, and the clamping arm 200 is controlled to discharge the detected valve body 206 above the good product frame 105 or the waste product frame 103 according to the detection information.

The pair of sealing covers 302 are symmetrically installed at the opening end of the sealing cover body 301, the sealing covers 302 are connected with the driving mechanism IV 307 through the transmission rod 308, the pair of sealing covers 302 can be driven to move towards or away from each other through the driving mechanism IV 307, the driving mechanism IV 307 is electrically connected with the control end 400, and the driving mechanism IV 307 can be an electric cylinder.

In order to improve the sealing effect and prevent the detection gas from leaking, an elastic membrane 304 is connected between the inner side of the sealing cover 302 and the cavity opening of the detection cavity 303, and the elastic membrane 304 is selected to be suitable for the opening and closing state of the sealing cover 302. The seal cover 302 is provided with a seal flange 306, and the outside of the arm body 201 is provided with a seal groove 203. After the valve body 206 to be detected moves to the detection station, the first driving mechanism 107 drives the sealing cover body 301 to move towards the clamping arm 200, the exposed end of the valve body 206 is inserted into the detection cavity 303, the sealing cover 302 corresponds to the sealing groove 203 on the arm body 201, and the fourth driving mechanism 307 drives the pair of sealing covers 302 to move oppositely, so that the sealing covers 302 are embedded into the sealing groove 203, sealing is completed, and detection gas leakage is avoided. Then, the lifting device 113 is controlled to drive the butt joint 114 to be inserted into the butt joint port 204 on the arm body 201, and the electromagnetic valve 112 is opened, so that the valve body 206 can be inflated.

In order to allow the device to detect different valve bodies 206, the second connecting tube 212 is detachably connected to the first connecting tube 218. Specifically, the second connection pipe 212 is connected to the first connection pipe 218 via a flange. A second slide rail 223 is disposed on one side of the first slide rail 213, and a limit switch 224 electrically connected to the controller 214 is fixedly connected to the second slide block of the second slide rail 223. When the sliding seat 215 moves to the set position and contacts with the limit switch 224, the controller 214 controls the second driving mechanism 217 and the third driving mechanism to stop operating, thereby preventing the second connecting pipe from moving to the over limit.

Still be equipped with three 219 of slide rail in the mounting groove, fixedly connected with and controller 214 electric connection's discharge cylinder 220 on three sliders of slide rail 219, discharge cylinder 220's piston rod one end fixedly connected with rubber piece 221. The position of the discharging cylinder 220 can be adjusted according to different types of valve bodies 206, so that the discharging cylinder 220 can not obstruct the movement of the sliding seat 215, and the rubber block 221 can be aligned with the valve body 206.

The fixing assembly is fixedly connected to one side of the second sliding block and one side of the third sliding block and comprises a fixing block 222, the fixing block 222 is fixedly connected with the second sliding block or the third sliding block, a bolt 221 is installed in a threaded hole formed in the fixing block 222, the second sliding block or the third sliding block is adjusted to a proper position, the bolt 221 is screwed down to abut against the bottom of the mounting groove, the second sliding block and the third sliding block cannot move, and therefore the discharging cylinder 220 and the limit switch 224 are prevented from shifting.

In order to insert the valve body 206 into the through hole, the valve body 206 is just inserted into the through hole by a set depth, a positioning groove is arranged on the wall of the through hole, a positioning fixture block 207 is slidably arranged in the positioning groove, a guide rod 208 is fixedly connected to the inner side of the positioning fixture block 207, and the guide rod 208 is inserted into a guide groove arranged on the arm body 201. The two ends of the outer side of the positioning clamping block 207 are provided with arc surfaces, so that the positioning clamping block 207 can be conveniently and smoothly clamped into the groove on the surface of the valve body 206. A spring 209 is connected between the inner side of the positioning fixture block 207 and the bottom of the positioning groove, an adsorption block 211 is fixedly connected to the inner side of the positioning fixture block 207, and an electromagnet 210 electrically connected to a controller 214 is fixedly connected to the bottom of the positioning groove. When the valve body 206 is inserted into the valve body 206, the valve body 206 contacts with the positioning fixture 207, the spring 209 is compressed, and when the positioning fixture 207 moves to the groove formed on the surface of the valve body 206, the positioning fixture 207 is ejected under the elastic force of the spring 209 to collide with the valve body 206 to generate a "click" sound, which indicates that the valve body 206 is inserted into a proper depth. When the valve body 206 needs to be dismounted, the electromagnet 210 is electrified, so that the positioning clamping block 207 leaves the groove, and the valve body 206 is conveniently pushed out by the piston rod of the discharging cylinder 220.

Example two

A detection method of an intelligent valve performance detection device comprises the following steps:

s1, adjusting the positions of the limit switch 224 and the discharge air cylinder 220 according to the size specification of the valve body 206 to be measured, and setting the feeding amount of the sliding seat 215 under the driving of the second driving mechanism 217; mounting a second connecting pipe 212 of a corresponding model;

s2, inserting the valve body 206 into the through hole, and controlling the electric clamping jaw 205 to clamp the valve body 206 outside the through hole when the positioning clamping block 207 is clamped into the groove on the surface of the valve body 206 under the elastic force of the spring 209;

s3, controlling the driving mechanism III to drive the connecting pipe I218 to rotate, and controlling the driving mechanism II 217 to drive the sliding seat 215 to move towards the valve body 206; when one side of the sliding seat 215 contacts the limit switch 224, the third driving mechanism and the second driving mechanism 217 stop operating, and at the moment, the second connecting pipe 212 is screwed into the threaded air inlet at one end of the valve body 206;

s4, controlling the stepping motor to drive the rotary base 104 to rotate until the clamping arm 200 clamping the valve body 206 to be tested is positioned below the inflation assembly; controlling the lifting device 113 to drive the butt joint 114 to move downwards until the butt joint 114 is inserted into the butt joint port 204;

controlling the first driving mechanism 107 to drive the detection assembly 300 to move towards the clamping arm 200 clamping the valve body 206 to be detected until the sealing cover 302 corresponds to the sealing groove 203; controlling a driving mechanism IV 307 to drive the pair of sealing covers 302 to move towards each other, so that the sealing flanges 306 are inserted into the sealing grooves 203;

s5, controlling the electromagnetic valve 112 to be opened, and filling the detection gas into the valve body 206; the detection gas sensor 305 detects whether the detection gas leaks in the detection cavity 303, and the control end 400 records detection information;

s6, controlling the lifting device 113 to drive the butt joint 114 to move upwards until the butt joint 114 leaves the butt joint port 204;

controlling a driving mechanism IV 307 to drive the pair of sealing covers 302 to move back and forth, so that the sealing flange 306 is separated from the sealing groove 203;

controlling the first driving mechanism 107 to drive the detection assembly 300 to move towards the direction away from the clamping arm 200 until the detection assembly 300 returns to the original position;

s7, controlling the stepping motor to drive the rotating base 104 to rotate;

when the clamping arm 200 clamping the qualified valve body 206 moves to the upper part of the good product frame 105, controlling the electric cylinder 109 positioned above the good product frame 105 to drive the pressing head 110 to move downwards, controlling the driving mechanism III to drive the connecting pipe I218 to rotate reversely when the pressing head 110 touches the control button 202, and controlling the driving mechanism II 217 to drive the sliding seat 215 to move towards the direction far away from the valve body 206, so that the connecting pipe II 212 is screwed out of the threaded air inlet hole at one end of the valve body 206; electrifying the electromagnet 210, enabling the electromagnet 210 to adsorb the adsorption block 211, enabling the positioning fixture block 207 to leave the groove on the surface of the valve body 206, controlling the electric clamping jaw 205 to loosen the valve body 206, controlling the discharging cylinder 220 to drive the piston rod to push the valve body 206 away from the through hole, and enabling the qualified valve body 206 to fall into the good product frame 105;

when the clamping arm 200 clamping the unqualified valve body 206 moves above the waste product frame 103, controlling the electric cylinder 109 above the waste product frame 103 to drive the pressing head 110 to move downwards, and when the pressing head 110 touches the control button 202, controlling the driving mechanism III to drive the connecting pipe I218 to rotate reversely, and controlling the driving mechanism II 217 to drive the sliding seat 215 to move towards the direction far away from the valve body 206, so that the connecting pipe II 212 is screwed out of the threaded air inlet hole at one end of the valve body 206; electrifying the electromagnet 210, enabling the electromagnet 210 to adsorb the adsorption block 211, enabling the positioning fixture block 207 to leave the groove on the surface of the valve body 206, controlling the electric clamping jaw 205 to loosen the valve body 206, controlling the discharging air cylinder 220 to drive the piston rod to push the valve body 206 away from the through hole, and enabling the unqualified valve body 206 to fall into the waste frame 103;

and S8, rotating the clamping arm 200 to a feeding station to wait for the next feeding.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The utility model provides a valve performance intellectual detection system device which characterized in that includes:

the rotating seat (104) is arranged on the machine body (101) and is driven to rotate by the stepping motor;

the clamping arms (200) are fixedly connected to the rotating base (104) along the ring shape, the clamping arms (200) are used for clamping or unloading the valve body (206) and connecting one end of the valve body (206) with an inflating assembly arranged on the machine body (101), and the inflating assembly is used for inflating detection gas into the valve body (206);

the detection assembly (300) is arranged on a first driving mechanism (107) arranged on the machine body (101), the first driving mechanism (107) is used for driving the detection assembly (300) to approach or be far away from the clamping arm (200), and the detection assembly (300) is used for detecting whether detection gas leaks from the other end of the valve body (206);

the control end (400) is electrically connected with the stepping motor, the inflation assembly, the detection assembly (300) and the first driving mechanism (107);

the clamping arm (200) comprises an arm body (201) provided with a mounting groove, an electric clamping jaw (205) is mounted on the arm body (201) positioned at the notch of the mounting groove, a sliding seat (215) mounted on a sliding rail I (213) is arranged in the mounting groove, and the sliding seat (215) is driven by a driving mechanism II (217) to do linear motion along the direction close to or far away from the through hole;

the sliding seat (215) is rotatably provided with a first connecting pipe (218), and the first connecting pipe (218) is driven to rotate by a third driving mechanism arranged on the sliding seat (215);

a second connecting pipe (212) with external threads is arranged at one end, close to the through hole, of the first connecting pipe (218), a third connecting pipe (231) is inserted at one end, far away from the through hole, of the second connecting pipe (218), and a sealing bearing (232) is arranged between the first connecting pipe (218) and the third connecting pipe (231); the third connecting pipe (231) is fixedly connected with the sliding seat (215), and the third connecting pipe (231) is communicated with a butt joint port (204) arranged at the upper end of the arm body (201) through a hose (233).

2. The intelligent detection device for the performance of the valve according to claim 1, wherein: a controller (214) and a storage battery (216) are also arranged in the mounting groove, and a control button (202) is arranged at the upper end of the arm body (201);

the storage battery (216), the electric clamping jaw (205), the control button (202), the driving mechanism III and the driving mechanism II (217) are electrically connected with the controller (214); the controller (214) is in wireless communication connection with the control end (400);

be equipped with on organism (101) and be located non-defective products frame (105) and waste product frame (103) of centre gripping arm (200) below, all the rigid coupling has support (102) on organism (101) that are located non-defective products frame (105) and waste product frame (103) one side, on support (102) the rigid coupling have with control end (400) electric connection's electric cylinder (109), the piston rod one end rigid coupling of electric cylinder (109) has press head (110).

3. The intelligent detection device for the performance of the valve according to claim 2, wherein: the inflation assembly comprises a second support (106) fixedly connected to the machine body (101), a support table (111) is fixedly connected to the second support (106), a lifting device (113) is mounted on the support table (111), and the lifting device (113) is used for driving the butt joint (114) to do vertical linear motion; the butt joint (114) is connected with an electromagnetic valve (112) fixedly connected on the support table (111) through an air pipe; the solenoid valve (112) is connected with the air supply pipe and is electrically connected with the control end (400).

4. The intelligent valve performance detection device of claim 3, wherein: the detection assembly (300) comprises a sealing cover body (301), and the sealing cover body (301) is connected with the first driving mechanism (107) through a connecting frame (108);

a detection gas sensor (305) electrically connected with the control end (400) is arranged on the wall of the detection cavity (303) of the sealed cover body (301);

a pair of sealing covers (302) are symmetrically arranged at the opening end of the sealing cover body (301); the sealing covers (302) are connected with a driving mechanism IV (307) through a transmission rod (308), the driving mechanism IV (307) is used for driving the pair of sealing covers (302) to move towards or away from each other, and the driving mechanism IV (307) is electrically connected with the control end (400).

5. The intelligent detection device for the performance of the valve according to claim 4, wherein: an elastic membrane (304) is connected between the inner side of the sealing cover (302) and the cavity opening of the detection cavity (303);

a sealing flange (306) is arranged on the sealing cover (302), and a sealing groove (203) is arranged on the outer side of the arm body (201).

6. The intelligent detection device for the performance of the valve according to claim 2, wherein: the second connecting pipe (212) is detachably connected with the first connecting pipe (218);

a second sliding rail (223) is arranged on one side of the first sliding rail (213), and a second sliding block of the second sliding rail (223) is fixedly connected with a limit switch (224) which is electrically connected with the controller (214);

still be equipped with three (219) of slide rail in the mounting groove, the rigid coupling has the discharge cylinder (220) with controller (214) electric connection on three sliders of three (219) of slide rail, and the piston rod one end rigid coupling of discharge cylinder (220) has rubber block (221).

7. The intelligent detection device for the performance of the valve according to claim 6, wherein: and one sides of the second sliding block and the third sliding block are fixedly connected with fixing components, each fixing component comprises a fixing block (222), and a bolt (221) is installed in a threaded hole formed in each fixing block (222).

8. The intelligent detection device for the performance of the valve according to claim 2, wherein: a positioning groove is formed in the hole wall of the through hole, a positioning clamping block (207) is slidably mounted in the positioning groove, a guide rod (208) is fixedly connected to the inner side of the positioning clamping block (207), and the guide rod (208) is inserted into a guide groove formed in the arm body (201); arc surfaces are arranged at the two ends of the outer side of the positioning clamping block (207);

a spring (209) is connected between the inner side of the positioning fixture block (207) and the bottom of the positioning groove;

an adsorption block (211) is further fixedly connected to the inner side of the positioning fixture block (207), and an electromagnet (210) electrically connected with the controller (214) is fixedly connected to the bottom of the positioning groove.

9. The intelligent detection device for the performance of the valve according to claim 2, wherein: a first gear (227) is fixedly connected to the first connecting pipe (218); the driving mechanism III comprises a motor (229) fixedly connected to the sliding seat (215) and electrically connected with the controller (214), a gear II (228) is fixedly connected to a motor shaft of the motor (229), and the gear II (228) is meshed with the gear I (227).

10. The detection method of the intelligent detection device for the valve performance according to any one of claims 1 to 9, characterized by comprising the following steps:

s1, adjusting the positions of a limit switch (224) and a discharging air cylinder (220) according to the size specification of the valve body (206) to be measured, and setting the feeding amount of the sliding seat (215) driven by a second driving mechanism (217); mounting a second connecting pipe (212) of a corresponding model;

s2, inserting the valve body (206) into the through hole, and controlling the electric clamping jaw (205) to clamp the valve body (206) outside the through hole when the positioning clamping block (207) is clamped into the groove on the surface of the valve body (206) under the elastic force action of the spring (209);

s3, controlling the driving mechanism III to drive the connecting pipe I (218) to rotate, and controlling the driving mechanism II (217) to drive the sliding seat (215) to move towards the valve body (206); when one side of the sliding seat (215) is contacted with the limit switch (224), the driving mechanism III and the driving mechanism II (217) stop operating, and the connecting pipe II (212) is screwed into the threaded air inlet hole at one end of the valve body (206);

s4, controlling the stepping motor to drive the rotating seat (104) to rotate until the clamping arm (200) clamping the valve body (206) to be tested is positioned below the inflation assembly; controlling the lifting device (113) to drive the butt joint (114) to move downwards until the butt joint (114) is inserted into the butt joint port (204);

controlling a first driving mechanism (107) to drive a detection assembly (300) to move towards a clamping arm (200) clamping a valve body (206) to be detected until a sealing cover (302) corresponds to a sealing groove (203); controlling a driving mechanism IV (307) to drive a pair of sealing covers (302) to move oppositely, and inserting the sealing flange (306) into the sealing groove (203);

s5, controlling the electromagnetic valve (112) to be opened, and filling detection gas into the valve body (206); the detection gas sensor (305) detects whether the detection gas leaks in the detection cavity (303), and the control end (400) records detection information;

s6, controlling the lifting device (113) to drive the butt joint (114) to move upwards until the butt joint (114) leaves the butt joint port (204);

controlling a driving mechanism IV (307) to drive the pair of sealing covers (302) to move back and forth, so that the sealing flange (306) is separated from the sealing groove (203);

controlling a first driving mechanism (107) to drive the detection assembly (300) to move towards the direction away from the clamping arm (200) until the detection assembly (300) retracts to the original position;

s7, controlling the stepping motor to drive the rotating seat (104) to rotate;

when a clamping arm (200) clamping a qualified valve body (206) moves to the upper part of a good product frame (105), controlling an electric cylinder (109) positioned above the good product frame (105) to drive a pressing head (110) to move downwards, and when the pressing head (110) touches a control button (202), controlling a driving mechanism III to drive a connecting pipe I (218) to rotate reversely, and controlling a driving mechanism II (217) to drive a sliding seat (215) to move towards the direction far away from the valve body (206), so that the connecting pipe II (212) is screwed out of a threaded air inlet hole at one end of the valve body (206); electrifying the electromagnet (210), enabling the electromagnet (210) to adsorb the adsorption block (211), enabling the positioning fixture block (207) to leave the groove on the surface of the valve body (206), controlling the electric clamping jaw (205) to loosen the valve body (206), controlling the discharging cylinder (220) to drive the piston rod to push the valve body (206) away from the through hole, and enabling the qualified valve body (206) to fall into the good product frame (105);

when a clamping arm (200) clamping an unqualified valve body (206) moves to the upper part of a waste product frame (103), controlling an electric cylinder (109) positioned above the waste product frame (103) to drive a pressing head (110) to move downwards, and when the pressing head (110) touches a control button (202), controlling a driving mechanism III to drive a connecting pipe I (218) to rotate in the reverse direction, controlling a driving mechanism II (217) to drive a sliding seat (215) to move towards the direction far away from the valve body (206), and enabling the connecting pipe II (212) to be screwed out of a threaded air inlet hole at one end of the valve body (206); electrifying the electromagnet (210), enabling the electromagnet (210) to adsorb the adsorption block (211), enabling the positioning fixture block (207) to leave the groove on the surface of the valve body (206), controlling the electric clamping jaw (205) to loosen the valve body (206), controlling the discharging air cylinder (220) to drive the piston rod to push the valve body (206) away from the through hole, and enabling the unqualified valve body (206) to fall into the waste frame (103);

s8, rotating the clamping arm (200) to a feeding station to wait for the next feeding.

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