CN117490940A - Pressure release detection device for rubber sealing piece - Google Patents

Abstract

The invention discloses a pressure release detection device for rubber sealing parts, which solves the problems that the specifications of connectors of the traditional device are fixed singly, and when pressure release detection is required to be carried out on the rubber sealing parts with different specifications, the contact positions of the rubber sealing parts, the connectors and a pipeline cannot be ensured to be fixed, and comprises the following steps: the device body comprises a bearing base and a bearing limit seat; the pressure release detection mechanism; the pressure release detection mechanism includes force pump, pipe, fixed pipe and relief valve, and the one end fixedly connected with switching fixed subassembly that the force pump was kept away from to the pipe, is provided with the detection pipeline between switching fixed subassembly and the fixed pipe, and switching fixed subassembly includes: the adapter and the sealing limit part; the transfer joint of the transfer fixing assembly and the seal limiting part are matched to work, and sealing elements to be detected with different specifications can be fixed and supported, so that the phenomenon of false detection caused by loosening and falling of the sealing elements to be detected in the pressure release detection process of the sealing elements to be detected is avoided.

Description

Pressure release detection device for rubber sealing piece

Technical Field

The invention belongs to the technical field of rubber sealing element detection, and particularly relates to a rubber sealing element pressure relief detection device.

Background

Rubber is a high-elasticity polymer material with reversible deformation, and a rubber sealing piece is a round rubber product, so that the tightness of the rubber sealing piece needs to be detected by a detection device in the production process of the rubber sealing piece, and pressure relief needs to be performed after the detection so as to improve the safety.

Chinese patent CN213068101U discloses a quick pressure release detection device for rubber seal production, including bottom plate and two manometers, two the outer wall of manometer is all fixed with two mounts through the bolt, and the bottom of four mounts is all fixedly connected with stand, and the bottom fixed connection of stand is at the top of bottom plate, the top fixedly connected with fixed plate of bottom plate, the top fixedly connected with violently pipe of fixed plate, peg graft in violently pipe have the pipeline, and rubber seal has all been cup jointed at the both ends of pipeline, and the connector has all been cup jointed at the both ends of pipeline, two the inner wall of connector is all fixedly connected with adapter tube, in realizing the in-process of the invention, the inventor finds that there is following problem in the prior art at least, and current device connector specification is fixed singlely, and when need carrying out the pressure release to different specification rubber seal and examine the time, can't guarantee the fixed of rubber seal, connector and pipeline contact position, leads to the measuring effect not good, the phenomenon of easily appears the false detection based on this, we propose a rubber seal pressure release detection device.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a pressure relief detection device for rubber sealing parts, which solves the problems that the specifications of connectors of the prior device are fixed singly, and when pressure relief detection is required to be carried out on rubber sealing parts with different specifications, the fixing of the contact positions of the rubber sealing parts, the connectors and a pipeline cannot be ensured, so that the detection effect is poor.

The utility model provides a rubber seal pressure release detection device, including device main part, pressure release detection mechanism and switching fixed subassembly, the device main part is including bearing the base and bearing spacing seat, and pressure release detection mechanism includes the force pump, the pipe, fixed pipe and relief valve, is provided with the detection pipeline between switching fixed subassembly and the fixed pipe, and the one end that detects the pipeline and be close to switching fixed subassembly is provided with the sealing member that waits to detect, and switching fixed subassembly includes the adapter and sets up the sealed spacing portion in the adapter. When detecting the sealing element to be detected, the sealing element to be detected is placed in the detection cavity, then the sealing limiting part is opened, the sealing limiting part is used for fixing the sealing element to be detected with different specifications, then one end of the detection pipeline is fixedly installed on the fixing pipe, the other end of the detection pipeline is inserted into the detection cavity and is abutted to the sealing element to be detected, then the pressure pump is started, and the pressure pump blows gas into the guide pipe, the fixing pipe and the detection pipeline to realize pressure relief detection of the sealing element to be detected. The embodiment of the invention is provided with the transfer fixing assembly, and the transfer joint of the transfer fixing assembly and the sealing limit part work cooperatively, so that the sealing elements to be detected with different specifications can be fixed and supported, and the phenomenon of false detection caused by loosening and falling of the sealing elements to be detected in the pressure release detection process of the sealing elements to be detected is avoided.

The invention is realized in such a way that a rubber sealing piece pressure relief detection device comprises:

the device comprises a device body, a control device and a control device, wherein the device body comprises a bearing base and a bearing limit seat;

the pressure relief detection mechanism is used for carrying out pressure relief detection on the sealing element to be detected;

the pressure relief detection mechanism comprises a pressure pump, a guide pipe, a fixed pipe and a pressure relief valve, wherein the pressure relief valve is arranged on the fixed pipe, the guide pipe is fixedly connected with the pressure pump, one end of the guide pipe, which is far away from the pressure pump, is fixedly connected with a switching fixed assembly, a detection pipeline is arranged between the switching fixed assembly and the fixed pipe, and one end of the detection pipeline, which is close to the switching fixed assembly, is provided with a sealing element to be detected;

the switching fixing assembly is used for fixing detection pipelines with different specifications and sealing pieces to be detected;

wherein, the switching fixed subassembly includes:

the device comprises an adapter, wherein one end of the adapter is fixedly connected with a conducting pipe, an inner limit ring is arranged in the adapter, and a detection cavity is formed by surrounding the inner limit ring and the inner wall of the adapter;

the sealing limiting part is arranged in the adapter and used for supporting and fixing sealing elements to be detected with different specifications.

Preferably, the pressure release detection mechanism further includes:

the front end sensor is fixedly arranged on the guide pipe;

the rear end sensor is fixedly arranged in the fixed pipe, and the front end sensor and the rear end sensor are matched to work and are used for pressure relief detection of the sealing element to be detected;

the pipe displacement part is arranged on the bearing base and connected with the fixed pipe, and the pipe displacement part is used for adjusting the position of the fixed pipe.

Preferably, the tube displacement portion includes:

a displacement rotating wheel;

the first screw is rotatably arranged on the bearing base, and one end of the first screw is fixedly connected with the displacement rotating wheel;

the displacement slide seat is sleeved on the first screw rod and fixedly connected with the fixed pipe, and two ends of the displacement slide seat are respectively connected with the bearing base in a sliding manner.

Preferably, the seal stopper includes:

the first driving motor is fixedly arranged in the guide pipe;

the limiting transmission shaft is fixedly connected with the output end of the first driving motor;

the driving turntable is fixedly arranged at the end part of the limiting transmission shaft;

the guide turntable is arranged on one side of the driving turntable and is fixedly arranged in the inner limit ring.

Preferably, the seal stopper further includes:

at least one group of inner driving grooves which are arranged in the driving turntable and are internally provided with inner driving blocks in a sliding way;

at least one group of inner limit grooves which are arranged in the guide turntable and are also in sliding connection with the inner driving block;

and the inner push rod is detachably and fixedly connected with the inner driving block, one end of the inner push rod, which is far away from the inner driving block, penetrates through the inner limit ring, and is fixedly connected with a sealing limit seat.

Preferably, the adaptor fixing assembly further comprises:

the auxiliary positioning part is arranged on the adapter and is used for detecting and determining the defect position of the sealing element to be detected;

and a defect detecting section installed in the fixed pipe.

Preferably, the method further comprises:

the main body driving part is arranged on the bearing base and used for driving the pressure relief detection mechanism to rotate, so that the defect detection part is matched with the sealing piece to be detected to detect the defect;

wherein the main body driving part includes:

the second driving motor is fixedly arranged on the bearing base;

the driving gear is fixedly connected with the output end of the second driving motor;

the fixed sleeve is arranged on the driven gear ring outside the conducting tube, and the driven gear ring and the driving gear are meshed for transmission.

Preferably, the auxiliary positioning portion includes:

the auxiliary positioning disc is rotatably arranged outside the adapter, and a plurality of groups of external driving grooves are formed in the auxiliary positioning disc;

the outer driving blocks are slidably arranged in the outer driving grooves, and the outer driving blocks are detachably and fixedly connected with outer linkage seats;

and the auxiliary positioning plate is fixedly connected with the outer linkage seat and is arranged in the detection cavity.

Preferably, the auxiliary positioning portion further includes:

at least one set of disc locking grooves formed in the auxiliary positioning disc;

and the second screw rod is inserted into the disc locking groove and used for locking the auxiliary positioning disc.

Preferably, the defect detecting section includes:

detecting a rotating wheel;

the third screw is fixedly connected with the detection rotating wheel and is rotatably arranged in the fixed pipe;

the lifting thread block is sleeved on the third screw rod, a servo cylinder is fixedly arranged on the lifting thread block, a detection extrusion seat is fixedly arranged at the telescopic end of the servo cylinder, and a displacement sensor is embedded in the detection extrusion seat.

Compared with the prior art, the embodiment of the application has the following main beneficial effects:

the embodiment of the invention is provided with the transfer fixing assembly, and the transfer joint of the transfer fixing assembly and the sealing limit part work cooperatively, so that the sealing elements to be detected with different specifications can be fixed and supported, and the phenomenon of false detection caused by loosening and falling of the sealing elements to be detected in the pressure release detection process of the sealing elements to be detected is avoided.

The embodiment of the invention is provided with the pipe displacement part, and the pipe displacement part is convenient for flexibly adjusting the position of the fixed pipe, so that detection pipelines with different lengths can be fixed, and meanwhile, the abnormal region can be conveniently judged when the tightness of the sealing element to be detected is abnormal.

The embodiment of the invention is provided with the auxiliary positioning part and the defect detection part, and the auxiliary positioning part can be matched with the sealing limit part to bidirectionally fix the sealing parts to be detected with different specifications, so that the defect position of the sealing part to be detected is quickly and accurately determined by matching with the defect detection part when the sealing part to be detected is poor in air tightness, and the defect diagnosis efficiency is improved.

Drawings

Fig. 1 is a schematic structural diagram of a pressure release detection device for a rubber seal provided by the invention.

Fig. 2 is a schematic perspective view of a pressure release detection device for a rubber seal provided by the invention.

Fig. 3 is a front view of the rubber seal pressure release detection device provided by the invention.

Fig. 4 is a cross-sectional view taken along A-A of fig. 3.

Fig. 5 is a side view of the rubber seal pressure release detection device provided by the invention.

Fig. 6 is a B-B cross-sectional view of fig. 5.

Fig. 7 is a schematic structural diagram of the adaptor fixing assembly provided by the invention.

Fig. 8 is a schematic perspective view of a adapting fixing assembly according to the present invention.

Fig. 9 is a side view of a adaptor fixture assembly provided by the present invention.

Fig. 10 is a C-C cross-sectional view of fig. 9.

Fig. 11 is a schematic structural view of a seal limiting portion provided by the invention.

Fig. 12 is an isometric view of a seal retainer provided by the present invention.

Fig. 13 is a schematic structural view of a defect detecting unit according to the present invention.

Fig. 14 is a schematic perspective view of a defect detecting unit according to the present invention.

Fig. 15 is a side view of the defect detecting section provided by the present invention.

In the figure: the device comprises a 1-device main body, a 11-bearing base, a 12-bearing limit seat, a 2-pressure relief detection mechanism, a 21-pressure pump, a 22-pressure relief valve, a 23-front end sensor, a 24-rear end sensor, a 25-guide pipe, a 26-fixed pipe, a 27-pipe displacement part, 271-displacement rotating wheels, a 272-first screw rod, a 273-displacement sliding seat, a 3-detection pipeline, a 4-main body driving part, a 41-second driving motor, a 42-driving gear, a 43-driven gear ring, a 5-switching fixing assembly, a 51-adapter, 511-inner limit rings, 512-detection cavities, 52-sealing limit parts, 521-first driving motors, 522-driving rotary discs, 523-inner driving grooves, 524-inner driving blocks, 525-guide rotary discs, 526-inner limit grooves, 527-inner push rods, 528-sealing limit seats, 529-limit transmission shafts, 53-auxiliary positioning parts, 531-auxiliary positioning discs, 532-outer driving blocks, 533-outer driving grooves, 534-outer seats, auxiliary positioning rods, 536-auxiliary positioning plates, 537-auxiliary positioning plates, locking grooves, 538-second screw rods, 545-inner screw rods, a threaded cylinders, a threaded cylinder, a threaded lifting and other than these three-screw rods, and other than these three-position blocks, and the device bodies comprise, which are detected by means of the device, and the device comprises, such devices.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description and claims of the present application and in the description of the figures above are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.

The connector specification of the existing device is fixed singleness, when the pressure relief detection needs to be carried out on rubber sealing elements with different specifications, the fixing of the contact positions of the rubber sealing elements, the connector and a pipeline cannot be guaranteed, the detection effect is poor, false detection is easy to occur, based on the fact that the connector specification is fixed singleness, the device comprises a device main body 1, a pressure relief detection mechanism 2 and a switching fixing assembly 5, the device main body 1 comprises a bearing base 11 and a bearing limiting seat 12, the pressure relief detection mechanism 2 comprises a pressure pump 21, a conducting pipe 25, a fixing pipe 26 and a pressure relief valve 22, a detection pipeline 3 is arranged between the switching fixing assembly 5 and the fixing pipe 26, one end, close to the switching fixing assembly 5, of the detection pipeline 3 is provided with a sealing element 6 to be detected, and the switching fixing assembly 5 comprises a switching head 51 and a sealing limiting portion 52 arranged in the switching head 51. When detecting the sealing element 6 to be detected, the sealing element 6 to be detected is placed in the detection cavity 512, then the sealing limiting part 52 is opened, the sealing limiting part 52 is used for fixing the sealing element 6 to be detected with different specifications, then one end of the detection pipeline 3 is fixedly arranged on the fixed pipe 26, the other end of the detection pipeline 3 is inserted into the detection cavity 512 and is abutted to the sealing element 6 to be detected, then the pressure pump 21 is opened, and the pressure pump 21 blows air into the guide pipe 25, the fixed pipe 26 and the detection pipeline 3 to realize pressure relief detection of the sealing element 6 to be detected. The embodiment of the invention is provided with the switching fixing component 5, and the switching connector 51 in the switching fixing component 5 and the sealing limiting part 52 are matched to work, so that the sealing elements 6 to be detected with different specifications can be fixed and supported, and the phenomenon of false detection caused by loosening and falling of the sealing elements 6 to be detected in the pressure relief detection process of the sealing elements 6 to be detected is avoided.

It should be noted that the seal 6 to be detected in the present invention may be a seal ring, gasket or seal ring for an automobile, a water gate, or a mechanical rubber.

The embodiment of the invention provides a pressure release detection device for a rubber sealing element, which is shown in fig. 1-6, and comprises the following components:

a device main body 1, wherein the device main body 1 comprises a bearing base 11 and a bearing limit seat 12;

the pressure relief detection mechanism 2 is used for detecting the pressure relief of the sealing element 6 to be detected;

the pressure relief detection mechanism 2 comprises a pressure pump 21, a conducting pipe 25, a fixed pipe 26 and a pressure relief valve 22, wherein the pressure relief valve 22 is installed on the fixed pipe 26, the conducting pipe 25 is fixedly connected with the pressure pump 21, the conducting pipe 25 is far away from one end of the pressure pump 21 is fixedly connected with a switching fixed assembly 5, a detection pipeline 3 is arranged between the switching fixed assembly 5 and the fixed pipe 26, and one end, close to the switching fixed assembly 5, of the detection pipeline 3 is provided with a sealing element 6 to be detected.

In this embodiment, the bearing base 11 and the bearing limit seat 12 are fixedly connected by joggles or welding, the bearing limit seat 12 is used for supporting the pressure pump 21 and the conducting tube 25, and the bearing limit seat 12 and the conducting tube 25 are rotationally connected by a bearing or a roller rotor.

It should be noted that, the pressure pump 21 is installed at the end of the conduit 25 by adopting flange seal, the pressure adjusting range of the pressure pump 21 is-0.098-8 MPa, the pressure pump 21 adopts IP65 level protection, the fixing pipe 26 and the pressure release valve 22 are connected by adopting flange seal, the pressure release valve 22 is made of stainless steel, the detecting pipe 3 can be PVC or stainless steel round pipe with hollow interior, and one end of the detecting pipe 3 is connected with the fixing pipe 26 by means of screw thread and flange.

The switching fixing assembly 5 is used for fixing the detection pipelines 3 with different specifications and the sealing piece 6 to be detected;

as shown in fig. 7 to 10, the adaptor fixture assembly 5 includes:

the adapter 51, one end of the adapter 51 is fixedly connected with the conducting tube 25, an inner limit ring 511 is arranged in the adapter 51, and a detection cavity 512 is formed by surrounding the inner limit ring 511 and the inner wall of the adapter 51;

the sealing limiting part 52 is arranged in the adapter 51, and the sealing limiting part 52 is used for supporting and fixing the sealing pieces 6 to be detected with different specifications.

It should be noted that, the adapter 51 is specifically a hollow ring or a circular seat, and one side of the adapter 51 is fixedly connected with the conducting tube 25 by means of fastening bolts and sealing flanges, and the inner limit ring 511 is specifically a ring or a circular seat, and the inner limit ring 511 may be welded or integrally formed and installed in the adapter 51.

In this embodiment, when the seal 6 to be detected is detected, the seal 6 to be detected is placed in the detection cavity 512, then the seal limiting portion 52 is opened, the seal limiting portion 52 fixes the seal 6 to be detected with different specifications, then one end of the detection pipeline 3 is fixedly installed on the fixing pipe 26, the other end of the detection pipeline 3 is inserted into the detection cavity 512 and is abutted to the seal 6 to be detected, then the pressure pump 21 is opened, and the pressure pump 21 blows air into the guide pipe 25, the fixing pipe 26 and the detection pipeline 3, so that pressure relief detection of the seal 6 to be detected is realized.

The embodiment of the invention is provided with the switching fixing component 5, and the switching connector 51 in the switching fixing component 5 and the sealing limiting part 52 are matched to work, so that the sealing elements 6 to be detected with different specifications can be fixed and supported, and the phenomenon of false detection caused by loosening and falling of the sealing elements 6 to be detected in the pressure relief detection process of the sealing elements 6 to be detected is avoided.

In a further preferred embodiment of the present invention, as shown in fig. 1-2, the pressure release detecting mechanism 2 further comprises:

a front end sensor 23, wherein the front end sensor 23 is fixedly arranged on the conduit 25;

the rear end sensor 24 is fixedly arranged in the fixed pipe 26, and the front end sensor 23 and the rear end sensor 24 are matched for working and are used for pressure relief detection of the sealing element 6 to be detected;

and a tube displacement portion 27 provided on the carrying base 11, the tube displacement portion 27 being connected to the fixed tube 26, the tube displacement portion 27 being for adjusting the position of the fixed tube 26.

In this embodiment, the front end sensor 23 and the rear end sensor 24 may be pressure sensors, and the models of the front end sensor 23 and the rear end sensor 24 are identical, and the front end sensor 23 and the rear end sensor 24 are used for detecting the pressure in the conduit 25 and the fixed tube 26, so as to provide auxiliary judgment for pressure release detection of the sealing member 6 to be detected, and the front end sensor 23 and the rear end sensor 24 are provided with OEM all-welded pressure cores, so that the pressure sensor has the advantages of strong anti-interference capability and good working temperature, and the front end sensor 23 and the rear end sensor 24 are provided with micro-amplifiers, and adopt a 316L stainless steel isolation diaphragm structure. When the pressure pump 21 is started, the front end sensor 23 and the rear end sensor 24 work, and if the pressures of the front end sensor 23 and the rear end sensor 24 are consistent, the sealing performance of the to-be-detected sealing element 6 is good. If the pressures of the front end sensor 23 and the rear end sensor 24 show non-uniformity, it is indicated that the sealing property of the seal 6 to be detected is abnormal.

The embodiment of the invention is provided with the pipe displacement part 27, and the position of the fixed pipe 26 is flexibly adjusted by the pipe displacement part 27, so that the detection pipelines 3 with different lengths can be fixed, and meanwhile, the abnormal region can be conveniently judged when the tightness of the sealing element 6 to be detected is abnormal.

In a further preferred embodiment of the present invention, as shown in fig. 1-2, the tube displacement portion 27 comprises:

a displacement wheel 271;

the first screw rod 272 is rotatably installed on the bearing base 11, and one end of the first screw rod 272 is fixedly connected with the displacement rotating wheel 271;

the displacement slide seat 273 sleeved on the first screw rod 272 is fixedly connected with the fixed pipe 26, and two ends of the displacement slide seat 273 are respectively connected with the bearing base 11 in a sliding manner.

In this embodiment, one end of the first screw 272 is rotatably mounted on the bearing base 11 through a bearing, the first screw 272 is in threaded connection with the displacement slide 273, and the end of the first screw 272 is fixedly connected with the displacement wheel 271 by joggling or welding.

When the abnormal position is required to be determined or the detection pipeline 3 and the sealing piece 6 to be detected are fixed, the displacement rotating wheel 271 is rotated, the displacement rotating wheel 271 drives the first screw rod 272 to rotate, and the first screw rod 272 drives the displacement sliding seat 273 and the fixed pipe 26 to slide on the bearing base 11, so that the fixing of the positions of the fixed detection pipeline 3 and the sealing piece 6 to be detected is realized.

In a further preferred embodiment of the present invention, as shown in fig. 11 to 12, the seal stopper 52 includes:

the first driving motor 521 is fixedly installed in the conduit 25, a protective cover is sleeved outside the first driving motor 521, the first driving motor 521 is fixedly installed in the protective cover through a fastening bolt, the protective cover is fixedly installed on the inner wall of the conduit 25 through welding or riveting, the first driving motor 521 can be a servo motor, and the first driving motor 521 can be controlled to be opened or closed by adopting electricity or bluetooth;

a limit transmission shaft 529 fixedly connected with the output end of the first driving motor 521;

the driving turntable 522 is fixedly arranged at the end part of the limiting transmission shaft 529;

and a guiding turntable 525 arranged at one side of the driving turntable 522, the guiding turntable 525 being fixedly installed in the inner limit ring 511.

It should be noted that, the limiting transmission shaft 529 is rotatably installed in the conduit 25 through a bearing, one end of the limiting transmission shaft 529 is fixedly connected with the output end of the first driving motor 521 in an interference fit manner, the other end of the limiting transmission shaft 529 is fixedly connected with the driving turntable 522 in a fastening bolt or joggle manner, both the driving turntable 522 and the guiding turntable 525 can be circular plates or circular seats, and rollers or bearings can be adopted between the driving turntable 522 and the guiding turntable 525 to rotate and connect.

At least one group of inner driving grooves 523, wherein the inner driving grooves 523 are arranged in the driving turntable 522, and an inner driving block 524 is slidably arranged in the inner driving grooves 523;

at least one group of inner limit grooves 526, wherein the inner limit grooves 526 are formed in the guide turntable 525, the inner limit grooves 526 are also in sliding connection with the inner driving blocks 524, the number of the inner driving grooves 523 and the number of the inner limit grooves 526 are kept consistent, the number of the inner driving grooves 523 and the number of the inner limit grooves 526 can be three groups, four groups, five groups or six groups, the inner driving grooves 523 are arc-shaped or S-shaped sliding grooves, the inner limit grooves 526 are rectangular grooves with polished surfaces, and the inner driving blocks 524 can be sliding blocks with columnar or rectangular seat structures;

and the inner push rod 527 is detachably and fixedly connected with the inner driving block 524, and one end of the inner push rod 527, which is far away from the inner driving block 524, penetrates through the inner limit ring 511 and is fixedly connected with a sealing limit seat 528.

In this embodiment, the inner driving block 524 is detachably connected with the inner push rod 527 by joggle or clamping, the inner push rod 527 is slidably connected with the inner limit ring 511, the seal limit seat 528 may be a rectangular seat or an arc seat, and the seal limit seat 528 is fixedly connected with the inner push rod 527 by screw threads or clamping.

When detecting, when the sealing piece 6 to be detected with different specifications needs to be fixed, the first driving motor 521 is started, the first driving motor 521 drives the limiting transmission shaft 529 and the driving turntable 522 to rotate, the driving turntable 522 drives the inner driving block 524 to slide along the inner driving groove 523, the inner limiting groove 526 and the inner driving block 524 conduct guiding limiting, and meanwhile, the inner pushing rod 527 and the sealing limiting seat 528 can be driven to move when the inner driving block 524 moves, so that the sealing piece 6 to be detected with different specifications is fixed.

In a further preferred embodiment of the present invention, as shown in fig. 7-9, the adaptor fixture assembly 5 further comprises:

an auxiliary positioning part 53, wherein the auxiliary positioning part 53 is installed on the adapter 51, and the auxiliary positioning part 53 is used for detecting and determining the defect position of the sealing element 6 to be detected;

a defect detecting section 54, the defect detecting section 54 being mounted in the fixed tube 26.

The embodiment of the invention is provided with the auxiliary positioning part 53 and the defect detection part 54, and the auxiliary positioning part 53 can be matched with the seal limiting part 52 to bidirectionally fix the to-be-detected sealing pieces 6 with different specifications, so that the defect position of the to-be-detected sealing piece 6 can be quickly and accurately determined by matching with the defect detection part 54 when the air tightness of the to-be-detected sealing piece 6 is poor, and the defect diagnosis efficiency is improved.

In a further preferred embodiment of the present invention, in order to facilitate defect detection of the seal 6 to be detected, which has a problem in air tightness, and also in order to facilitate adjustment of the position of the seal 6 to be detected, as shown in fig. 1 to 3, the embodiment of the present invention further includes:

the main body driving part 4, the main body driving part 4 is installed on the bearing base 11, and the main body driving part 4 is used for driving the pressure relief detection mechanism 2 to rotate, so that the defect detection part 54 is matched to detect the defect of the sealing element 6 to be detected.

Wherein the main body driving part 4 includes:

a second driving motor 41, the second driving motor 41 being fixedly installed on the carrying base 11;

a driving gear 42 fixedly connected with the output end of the second driving motor 41;

and a driven gear ring 43 fixedly sleeved outside the conduit 25, wherein the driven gear ring 43 and the driving gear 42 are in meshed transmission.

In this embodiment, the second driving motor 41 may be a servo motor or a single-phase asynchronous motor, and the second driving motor 41 is fixedly mounted on the bearing base 11 through a clamp or a fastening bolt, the output end of the second driving motor 41 is fixedly connected with the driving gear 42 in an interference fit manner, and the driven gear ring 43 is fixedly connected with the outer wall of the conduit 25 through a clamp or a fastening bolt.

The pressures of the front end sensor 23 and the rear end sensor 24 are inconsistent, which indicates that the tightness of the to-be-detected sealing element 6 is abnormal, at this time, the displacement rotating wheel 271 is manually rotated, the displacement rotating wheel 271 drives the first screw rod 272 to rotate, the first screw rod 272 drives the displacement sliding seat 273 and the fixed pipe 26 to slide on the bearing base 11, so that the detection pipeline 3 is separated from the to-be-detected sealing element 6, then the auxiliary positioning part 53 and the defect detection part 54 are sequentially started, the auxiliary positioning part 53 is matched with the seal limiting part 52 to fix the to-be-detected sealing element 6, then the second driving motor 41 is started, the second driving motor 41 drives the driving gear 42 to rotate, the driving gear 42 drives the driven gear ring 43, the conducting pipe 25, the adapter 51 and the to-be-detected sealing element 6 to rotate, and then the defect detection part 54 determines the defect area of the to-be-detected sealing element 6.

In a further preferred embodiment of the present invention, as shown in fig. 7-8 and 11, the auxiliary positioning portion 53 includes:

the auxiliary positioning disc 531, the auxiliary positioning disc 531 is rotatably installed outside the adapter 51, and a plurality of groups of external driving grooves 533 are formed in the auxiliary positioning disc 531;

at least one group of outer driving blocks 532, wherein the outer driving blocks 532 are slidably installed in the outer driving grooves 533, and the outer driving blocks 532 are detachably and fixedly connected with an outer linkage seat 534;

an auxiliary positioning plate 536 fixedly connected with the outer linkage seat 534, the auxiliary positioning plate 536 being disposed in the detection chamber 512.

At least one set of disc locking grooves 537, wherein the disc locking grooves 537 are formed in the auxiliary positioning disc 531, and the disc locking grooves 537 are uniformly distributed on the auxiliary positioning disc 531 in the circumferential direction;

the second screw 538 is installed on the internal thread cylinder 539 installed on the adapter 51, the second screw 538 is inserted into the disc locking groove 537 to lock the auxiliary positioning disc 531, the internal thread cylinder 539 is fixedly installed on the adapter 51 by welding or riveting, the internal thread cylinder 539 and the second screw 538 are in threaded connection, when the auxiliary positioning disc 531 needs to be fixed, the second screw 538 is rotated, and the second screw 538 moves along the internal thread cylinder 539, so that the end part of the second screw 538 extends into the disc locking groove 537 to lock the position of the auxiliary positioning disc 531.

In this embodiment, the auxiliary positioning disc 531 is specifically a hollow circular ring or circular seat in the interior, the auxiliary positioning disc 531 is rotatably sleeved on the outer wall of the adapter 51 by adopting a bearing or a roller, the outer driving groove 533 is circumferentially arranged on the auxiliary positioning disc 531 in a counterclockwise direction, the outer driving groove 533 can be a rectangular groove, an arc groove or an S-shaped groove structure, the outer driving block 532 and the outer linkage seat 534 can be detachably and fixedly connected by a buckle or a fastening bolt, the outer linkage seat 534 penetrates through the side wall of the adapter 51 and is slidably connected with the adapter 51, an auxiliary positioning rod 535 for guiding and limiting the outer linkage seat 534 is fixedly arranged on the adapter 51, the auxiliary positioning rod 535 is slidably connected with the side wall of the outer linkage seat 534, and the auxiliary positioning plate 536 and the outer linkage seat 534 are fixedly connected by adopting a joggle joint or a riveted mode, and the auxiliary positioning plate 536 can be an arc plate or a rectangular seat.

When the sealing pieces 6 to be detected with different specifications need to be fixed, the auxiliary positioning disc 531 is manually rotated, the auxiliary positioning disc 531 drives the outer driving groove 533 to rotate, and the outer driving groove 533 drives the outer linkage seat 534 and the outer driving block 532 to move, so that the outer linkage seat 534 drives the auxiliary positioning plate 536 to fix the sealing pieces 6 to be detected with different specifications.

In a further preferred embodiment of the present invention, as shown in fig. 13 to 15, the defect detecting section 54 includes:

a detection wheel 541;

a third screw 542 fixedly connected to the detection wheel 541, the third screw 542 being rotatably mounted in the stationary pipe 26;

the lifting thread block 543 is sleeved on the third screw 542, a servo cylinder 544 is fixedly installed on the lifting thread block 543, a detection extrusion seat 545 is fixedly installed at the telescopic end of the servo cylinder 544, and a displacement sensor 546 is embedded in the detection extrusion seat 545.

In this embodiment, the third screw rod 542 is rotatably installed on the side wall of the fixed pipe 26 through a bearing or a roller, the end portion of the third screw rod 542 is fixedly connected with the detecting runner 541 through a welding or riveting manner, the lifting screw block 543 is in threaded connection with the third screw rod 542, the servo cylinder 544 is fixedly installed on the lifting screw block 543 through a welding or riveting manner, the servo cylinder 544 is started to enable the detecting extrusion seat 545 to keep a certain extrusion force on the sealing piece 6 to be detected, when the surface of the sealing piece 6 to be detected is defective, the thrust force received by the detecting extrusion seat 545 can extrude the sealing piece 6 to be detected, and the displacement sensor 546 can record the displacement value of the detecting extrusion seat 545, so that the defect position and defect degree can be conveniently determined, in order to determine defects of the sealing piece 6 to be detected with different specifications, the detecting runner 541 can be rotated, the detecting runner 541 drives the third screw rod 542 to rotate, and the third screw rod 542 drives the lifting screw block 543, the servo cylinder, the detecting extrusion seat 545 and the displacement sensor 546 to move up and down, so that the defect detection work of the sealing piece 6 to be detected with different specifications is satisfied.

In summary, the present invention provides a pressure release detection device for a rubber seal, when detecting a seal 6 to be detected, the seal 6 to be detected is placed in a detection cavity 512, then the seal limiting portion 52 is opened, the seal limiting portion 52 fixes the seal 6 to be detected with different specifications, then one end of a detection pipeline 3 is fixedly installed on a fixed pipe 26, the other end of the detection pipeline 3 is inserted into the detection cavity 512 and is abutted against the seal 6 to be detected, then the pressure pump 21 is opened, and the pressure pump 21 blows air into the guide pipe 25, the fixed pipe 26 and the detection pipeline 3 to realize pressure release detection of the seal 6 to be detected.

The embodiment of the invention is provided with the switching fixing component 5, and the switching connector 51 in the switching fixing component 5 and the sealing limiting part 52 are matched to work, so that the sealing elements 6 to be detected with different specifications can be fixed and supported, and the phenomenon of false detection caused by loosening and falling of the sealing elements 6 to be detected in the pressure relief detection process of the sealing elements 6 to be detected is avoided.

It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.

The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.

Claims (10)

1. A rubber seal pressure relief detection device, the rubber seal pressure relief detection device comprising:

the device comprises a device main body (1), wherein the device main body (1) comprises a bearing base (11) and a bearing limit seat (12);

the pressure relief detection mechanism (2), the pressure relief detection mechanism (2) is used for carrying out pressure relief detection on the sealing piece (6) to be detected;

wherein, its characterized in that, pressure release detection mechanism (2) include pressure pump (21), switch-on pipe (25), fixed pipe (26) and relief valve (22), relief valve (22) are installed on fixed pipe (26), fixed connection between switch-on pipe (25) and pressure pump (21), and switch-on pipe (25) keep away from one end fixedly connected with switching fixed subassembly (5) of pressure pump (21), be provided with between switching fixed subassembly (5) and fixed pipe (26) and detect pipeline (3), detect pipeline (3) and be close to the one end of switching fixed subassembly (5) and be provided with sealing member (6) to be detected;

the switching fixing assembly (5) is used for fixing detection pipelines (3) with different specifications and sealing pieces (6) to be detected;

wherein, the switching fixed subassembly (5) includes:

the adapter comprises an adapter body (51), wherein one end of the adapter body (51) is fixedly connected with a conducting pipe (25), an inner limit ring (511) is arranged in the adapter body (51), and a detection cavity (512) is formed by surrounding between the inner limit ring (511) and the inner wall of the adapter body (51);

and the sealing limiting part (52) is arranged in the adapter (51), and the sealing limiting part (52) is used for supporting and fixing the sealing pieces (6) to be detected with different specifications.

2. The rubber seal pressure relief detection device as claimed in claim 1, wherein: the pressure release detection mechanism (2) further comprises:

the front end sensor (23), the front end sensor (23) is fixedly installed on the conduit (25);

the rear end sensor (24), the rear end sensor (24) is fixedly arranged in the fixed pipe (26), and the front end sensor (23) and the rear end sensor (24) are matched to work and are used for pressure relief detection of the sealing element (6) to be detected;

and a tube displacement part (27) arranged on the bearing base (11), wherein the tube displacement part (27) is connected with the fixed tube (26), and the tube displacement part (27) is used for adjusting the position of the fixed tube (26).

3. The rubber seal pressure relief detection device as claimed in claim 2, wherein: the tube displacement section (27) comprises:

a displacement wheel (271);

the first screw rod (272), the first screw rod (272) is rotatably arranged on the bearing base (11), and one end of the first screw rod (272) is fixedly connected with the displacement rotating wheel (271);

and a displacement sliding seat (273) sleeved on the first screw rod (272), wherein the displacement sliding seat (273) is fixedly connected with the fixed pipe (26), and two ends of the displacement sliding seat (273) are respectively connected with the bearing base (11) in a sliding manner.

4. The rubber seal pressure relief detection device as claimed in claim 2, wherein: the seal stopper (52) includes:

a first driving motor (521), wherein the first driving motor (521) is fixedly arranged in the conduit (25);

a limit transmission shaft (529) fixedly connected with the output end of the first driving motor (521);

the driving turntable (522) is fixedly arranged at the end part of the limiting transmission shaft (529);

and the guide turntable (525) is arranged on one side of the driving turntable (522), and the guide turntable (525) is fixedly arranged in the inner limit ring (511).

5. The rubber seal pressure relief detection device as defined in claim 4, wherein: the seal stopper (52) further includes:

at least one group of inner driving grooves (523), wherein the inner driving grooves (523) are formed in the driving turntable (522), and inner driving blocks (524) are slidably arranged in the inner driving grooves (523);

the inner limiting grooves (526) are formed in the guide turnplate (525), and the inner limiting grooves (526) are also connected with the inner driving block (524) in a sliding manner;

and the inner push rod (527) is detachably and fixedly connected with the inner driving block (524), one end, far away from the inner driving block (524), of the inner push rod (527) penetrates through the inner limit ring (511), and is fixedly connected with the sealing limit seat (528).

6. The rubber seal pressure relief detection device as defined in claim 5, wherein: the transfer fixing assembly (5) further comprises:

the auxiliary positioning part (53), the auxiliary positioning part (53) is installed on the adapter (51), and the auxiliary positioning part (53) is used for detecting and determining the defect position of the sealing element (6) to be detected;

and a defect detection unit (54), wherein the defect detection unit (54) is mounted in the fixed tube (26).

7. The rubber seal pressure relief detection device as defined in claim 6, wherein: further comprises:

the main body driving part (4), the main body driving part (4) is arranged on the bearing base (11), and the main body driving part (4) is used for driving the pressure release detection mechanism (2) to rotate so as to detect the defect of the sealing element (6) to be detected in cooperation with the defect detection part (54);

wherein the main body driving part (4) comprises:

the second driving motor (41), the said second driving motor (41) is fixedly installed on bearing the base (11);

a driving gear (42) fixedly connected with the output end of the second driving motor (41);

and a driven gear ring (43) fixedly sleeved outside the conducting pipe (25), wherein the driven gear ring (43) and the driving gear (42) are in meshed transmission.

8. The rubber seal pressure relief detection device as defined in claim 6, wherein: the auxiliary positioning unit (53) comprises:

the auxiliary positioning disc (531), the said auxiliary positioning disc (531) rotates and installs in the outside of the adapter (51), and offer the multiunit external driving groove (533) in the auxiliary positioning disc (531);

at least one group of outer driving blocks (532), wherein the outer driving blocks (532) are slidably arranged in the outer driving grooves (533), and the outer driving blocks (532) are detachably and fixedly connected with an outer linkage seat (534);

and the auxiliary positioning plate (536) is fixedly connected with the outer linkage seat (534), and the auxiliary positioning plate (536) is arranged in the detection cavity (512).

9. The rubber seal pressure relief detection device as defined in claim 8, wherein: the auxiliary positioning portion (53) further includes:

at least one set of disc locking grooves (537), the disc locking grooves (537) being provided in the auxiliary positioning disc (531);

an internal thread cylinder (539) mounted on the adapter (51), wherein a second screw rod (538) is mounted on the internal thread of the internal thread cylinder (539), and the second screw rod (538) is inserted into the disc locking groove (537) for locking the auxiliary positioning disc (531).

10. The rubber seal pressure relief detection device as defined in claim 9, wherein: the defect detection unit (54) comprises:

a detection wheel (541);

a third screw (542) fixedly connected with the detection rotating wheel (541), wherein the third screw (542) is rotatably installed in the fixed pipe (26);

the lifting thread block (543) is sleeved on the third screw rod (542), a servo cylinder (544) is fixedly installed on the lifting thread block (543), a detection extrusion seat (545) is fixedly installed at the telescopic end of the servo cylinder (544), and a displacement sensor (546) is embedded in the detection extrusion seat (545).