CN213179766U

CN213179766U - Integrative detection device of silencer assembly

Info

Publication number: CN213179766U
Application number: CN202022374040.6U
Authority: CN
Inventors: 迟兰成; 李宏宇; 高阳; 齐宝军; 王扬扬; 刘文笛; 赵媛媛
Original assignee: Airui Chengdu Emission Control Technology Co ltd
Current assignee: Airui Chengdu Emission Control Technology Co ltd
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-05-11
Anticipated expiration: 2030-10-22

Abstract

The utility model relates to a muffler assembly integrated detection device, a tail pipe orifice detection tool and a head pipe orifice detection tool are arranged on a base plate, a plurality of barrel detection columns are also arranged on the base plate, a plurality of blast pipes detect the post, each upper end that detects the post sets up detects the recess, the head mouth of pipe is examined utensil and is slided the seat including the one-level that sets up on the bed plate, the direction of sliding of second grade seat of sliding is perpendicular with the direction of sliding of one-level seat of sliding, the utensil is examined to the afterbody mouth of pipe, sleeve pipe in the middle of including a telescopic, detect tang and the same axial lead of flexible core bar, middle sleeve pipe overcoat one can be relative middle sleeve pipe endwise slip's outer tube, the downthehole suit of middle sheathed tube center pin can be relative middle sleeve pipe endwise slip's flexible core bar, the overhanging section of flexible core bar is empty to be overlapped a flexible seal cover, set up one on. The driving wedge surface arranged on the conical wedge is in sliding fit.

Description

Integrative detection device of silencer assembly

Technical Field

The utility model relates to a car silencer detects frock, concretely relates to integrative detection device of silencer assembly.

Background

The silencer will precision measurement and gas tightness after welding process accomplishes and detect, if welding precision is not enough or there is welding defect's the condition under, need carry out the rework operation to the silencer, and conventional inspection flow carries out precision measurement to whole silencer earlier, directly judges welding defect through the naked eye, and then the welding seam defect that can't observe through gas tightness detection naked eye looks for the leak source repair welding. Need detect welding precision on the utensil is examined to the difference respectively in conventional inspection flow, observes whether the part size is located the tolerance range, and after the precision testing was accomplished, need wholly to move the part, go to the gas tightness and detect the welding defect that the station can't be observed to the naked eye, adopts conventional operation mode, and spare part need a plurality of station circulations again, has increased the transport demand, has increased damage probability and manufacturing cost in handling. According to different air tightness test methods, air tightness detection is divided into two types: one is visual method, i.e. the pressurized silencer is immersed in water to observe whether there are bubbles in the water. The other type is an instrumental method, and whether the pressurized silencer leaks or not is judged according to an output signal of a pressure sensor. Need the mouth of a pipe shutoff at the in-process that pressurizes, among the current shutoff mode, adopt the manual work to carry out the shutoff with the end cap, adopt this kind of mode, can only fill in the shutoff rubber piece in orificial part, adopt the easy skew of this kind of mode manpower application, easily with pipeline extrusion deformation or easily tear the pipeline from the barrel even drop, and in whole rubber is filled in the in-process, no matter put into or take out the whole in-process of rubber end cap, rubber end cap need always rub with the pipeline inner wall until the assigned position, it is not only hard whole, inefficiency, and adopt this kind of mode also to lead to the life of rubber end cap to shorten.

Disclosure of Invention

The utility model aims at prior art not enough, provide an integrative detection device of silencer assembly, it can once only accomplish the welding precision detection and the gas tightness detection of silencer, can effectively reduce the circulation demand of part, and it can also solve traditional silencer gas tightness detection mode well orifice sealing performance poor, detect defects such as with high costs simultaneously.

The purpose of the utility model is realized like this: the integrated detection device for the silencer assembly comprises a substrate, wherein a tail pipe orifice detection tool and a head pipe orifice detection tool are arranged on the substrate, a plurality of barrel detection columns and a plurality of exhaust pipe detection columns are further arranged on the substrate, a detection groove is formed in the upper end of each detection column, the head pipe orifice detection tool comprises a first-stage sliding seat arranged on a base plate, a second-stage sliding seat, an airtight jacking seat and a turnover pressing cylinder are arranged on the first-stage sliding seat, the sliding direction of the second-stage sliding seat is perpendicular to the sliding direction of the first-stage sliding seat, a third-stage sliding seat is arranged on the second-stage sliding seat, a fourth-stage sliding seat sliding in the vertical direction is arranged on the third-stage sliding seat, a detection block is arranged on the fourth-stage sliding seat, a detection plane is arranged on the upper end face of the detection block, the detection plane is provided with a boss protruding from the upper detection plane, and front detection side faces, the device comprises an edge detection side face, a front detection side face and a third-stage sliding seat, wherein the front detection side face is perpendicular to the sliding direction of the second-stage sliding seat, the edge detection side face is perpendicular to the sliding direction of the third-stage sliding seat, a compression head of a turnover compression cylinder is fixedly provided with a compression block, the top end of an airtight jacking seat is provided with a rubber base plate capable of floating up and down, the top end of the rubber base plate is connected with a fixed sealing rubber block, the sealing rubber block is provided with an upward first air inlet channel, the rubber base plate is provided with a second air inlet channel, the inlet end of the second air inlet channel is communicated with the bottom end of the first air inlet channel, and; the tail pipe orifice checking fixture comprises a telescopic middle sleeve, an outer sleeve capable of axially sliding relative to the middle sleeve is sleeved outside the middle sleeve, the tail of the outer sleeve is fixedly connected with a first mounting plate, the first mounting plate is arranged on a sliding plate, the sliding plate is in sliding fit with a rack base through a sliding rail, the rack base is fixed on a base plate, a first linear driving device for driving the sliding plate is arranged in the rack base, a detection sleeve capable of axially sliding is arranged on the sliding plate, the detection sleeve is provided with a detection spigot, the middle sleeve penetrates through a middle hole of the detection spigot, the detection spigot and a telescopic core rod are coaxial, a telescopic core rod capable of axially sliding relative to the middle sleeve is sleeved in a central axial hole of the middle sleeve, and the telescopic core rod sequentially extends forwards to form a tapered wedge, a tapered wedge and a tapered core rod which are arranged at the, The end of the extending section of the telescopic core rod is provided with an extrusion head used for axial limiting of the flexible sealing sleeve, the outer sleeve is provided with at least three radial holes, the included angle A of any two adjacent radial holes in the circumferential direction is smaller than 180 degrees, the radial holes are internally provided with positioning keys capable of sliding in the radial direction, one end of each positioning key extending into the central shaft hole of the middle sleeve is provided with a stress wedge surface, the wedge angles of the stress wedge surfaces are equal, and the stress wedge surfaces are in sliding fit with driving wedge surfaces arranged on the tapered wedges.

A front driving rod transversely penetrates through an axial strip hole formed in the outer sleeve and an axial strip hole formed in the middle sleeve, and the tail end of the telescopic core rod extends into the axial strip hole formed in the middle sleeve to be axially fixed with the front driving rod.

The telescopic core rod stretching device is characterized in that a third mounting plate is arranged on the sliding plate, a second linear driving device is arranged on the third mounting plate, the second linear driving device is fixedly connected with a rear driving rod at one end of a driving frame, a front driving rod is arranged at the other end of the driving frame, the first mounting plate is located in the frame area of the driving frame, the second linear driving device is used for driving the frame to axially stretch out, and therefore stretching of the telescopic core rod is achieved, and the third mounting plate is arranged on the sliding plate.

The sliding plate is provided with a vertical second mounting plate, the second mounting plate is located in the frame area of the driving frame, the second mounting plate is provided with a third linear driving device, the second linear driving device and the middle sleeve share the same axial lead, and the middle sleeve penetrates through a through hole in the first mounting plate and is axially limited with a linear driving end of the third linear driving device on the second mounting plate.

Drive frame is a rectangular frame, drive frame's the axial sliding tray joint that sets up is sheathe in to the connecting rod that extends with a drive respectively to the diaxon, set up the arc hole that extends along outer wall spiral on the drive cover outer wall, articulated can be at drive sleeve's circumferencial direction pivoted actuating handle on the second mounting panel, actuating handle's handle pass the arc hole and with arc hole sliding fit.

The overhanging ends of the positioning keys are respectively provided with a clamping groove, and the clamping grooves of the positioning keys are clamped with the annular elastic rubber rings together.

The base plate is provided with a base plate, a first-level sliding seat is in sliding fit with the inclined plane at the upper end of the base plate through a sliding rail, a first-level linear driving device is arranged on the base plate, the driving end of the first-level linear driving device is fixedly connected with the first-level sliding seat, a first-level limiting block is arranged on the inclined plane at the upper end of the base plate and is positioned in the sliding direction of the first-level sliding seat, a second-level sliding seat is in sliding fit with the upper end face of the first-level sliding seat through a sliding rail, a second-level linear driving device is arranged on the first-level sliding seat, the driving end of the second-level linear driving device is fixedly connected with the second-level sliding seat, a second-level limiting block is arranged on the first, and a third-stage linear driving device is arranged on the second-stage sliding seat, the driving end of the third-stage linear driving device is fixedly connected with the third-stage sliding seat, a third-stage limiting block is arranged on the second-stage sliding seat, and the third-stage limiting block is positioned in the sliding direction of the second-stage sliding seat.

The utility model discloses a three-level slide seat, including three-level slide seat, riser orientation detection piece, fixed riser is connected on the up end of three-level slide seat, the riser orientation detects piece one side and slides the seat through vertical slide rail sliding fit level four, the up end of three-level slide seat sets up level four linear drive device, the fixed seat that detects is connected to the drive end that level four linear drive device upwards extended, fixed level four stopper is connected on the top of riser.

The base plate is provided with a lifting seat, and the top end of the lifting seat is provided with a clamping groove for lifting the cylinder.

The driving wedge surface on the conical wedge is a conical surface, and the conical surface is in sliding fit with the stressed wedge surface on the positioning key, so that the positioning keys slide out at equal intervals in the radial direction.

By adopting the scheme, the muffler tail pipe mouth detection tool has the advantages that when the muffler is required to be detected, the tail pipe mouth detection tool is used for detecting and positioning the muffler, the middle sleeve extends into the pipe mouth at the tail part of the muffler, the detection sleeve can detect the size and the angle of the muffler tail pipe, the detection spigot can detect the length of the muffler tail pipe, when the muffler tail pipe is inserted into the detection spigot, the detection sleeve is observed whether to slide to a specified position, so that the length of the muffler tail pipe can be detected, when the airtightness detection is required, the flexible sealing sleeve is in a free state at the preparation initial stage of the plugging operation, the positioning key retracts, the head end of the outer sleeve, the head end of the telescopic core rod, the flexible sealing sleeve and the positioning key penetrate into the tail pipe mouth, in the penetrating process, all parts of the plugging device have no resistance with the pipe wall, the flexible sealing, firstly, the middle sleeve extends forwards in the axial direction to cause the axial movement of the conical wedge, and the driving wedge surface arranged on the conical wedge is in sliding fit with the stressed wedge surface arranged on each positioning key to ensure that each positioning key slides out in the radial direction. Because each positioning key extends outwards and supports the pipe wall, the middle sleeve can be positioned and clamped, the center of the middle sleeve is realized, the axis of the middle sleeve is coaxial with the axis of the pipe orifice, the telescopic core rod is coaxial with the axis of the pipe orifice, the annular width of an annular hole to be sealed between the extending section of the telescopic core rod and the pipe wall is uniform, the extrusion force between the flexible sealing sleeve and the pipe wall is symmetrical about the central axis of the telescopic core rod, the flexible sealing sleeve has no unbalance loading phenomenon, the sealing degree of the contact surface of the flexible sealing sleeve and the inner wall of the pipe wall is ensured to be close to the same, the phenomenon that the pressure of the air pressure is released from the weak sealing position is effectively avoided, and the accuracy of the whole air tightness detection is improved. Adopt the utility model discloses, the sealing boot is at the last stage inflation, and the initial stage flexible seal cover is in the deep orificial in-process of free state and does not have the friction with the pipe wall, and is not only laborsaving, efficient, can also improve the life face of flexible seal cover, can avoid the axial push-and-pull power of applying to the pipeline simultaneously, prevents that pipeline extrusion deformation or easy with the phenomenon that the pipeline tears even drops from the barrel. By adopting the utility model, the second-level sliding seat and the airtight jacking seat can be switched by the sliding of the first-level sliding seat to realize the switching of a plurality of functions, when the welding precision is detected, the adjustment of the positions of the front detection surface, the edge detection surface and the upper detection plane is respectively realized by the second-level sliding seat, the third-level sliding seat and the fourth-level sliding seat, whether the coincidence condition of the plane to be detected and each detection surface is in the normal tolerance is detected and observed, thereby completing the detection of the head orifice of the silencer, when the welding precision is detected, the airtight jacking seat is moved to the lower part of the head orifice of the silencer by the first-level sliding seat, the front section of the silencer is plugged by the sealing rubber block through the jacking of the jacking seat, the inner cavity of the whole silencer is communicated with the air source through a plurality of first air inlet channels and the second air inlet channel, the, adopt the utility model discloses, can weld the precision detection and the gas tightness detects on whole device, can effectively reduce the circulation demand of part, it can also solve pipe socket sealing performance poor, detect defects such as with high costs in traditional silencer gas tightness detection mode simultaneously.

The invention will be further explained with reference to the drawings and the specific embodiments.

Drawings

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

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic structural view of a head nozzle gauge;

FIG. 4 is a schematic structural view of a tail nozzle gauge;

FIG. 5 is a schematic structural view of a detection sleeve in the tail nozzle detection tool;

FIG. 6 is a schematic structural view of an outer sleeve in a tail nozzle gauge;

FIG. 7 is a schematic structural view of a positioning key in the tail nozzle testing fixture;

FIG. 8 is a schematic structural view of a driving sleeve in the tail nozzle testing fixture;

FIG. 9 is a schematic view of a state that a flexible sealing sleeve in the tail nozzle testing fixture enters the nozzle.

In the drawing, 1 is a middle sleeve, 2 is an outer sleeve, 3 is a telescopic core rod, 6 is a flexible sealing sleeve, 9 is a positioning key, 14 is a driving frame, 16 is a fixed flange, 17 is a first mounting plate, 18 is a sliding plate, 19 is a sliding rail, 20 is a frame base, 22 is a third mounting plate, 27 is a driving sleeve, 30 is a second mounting plate, 31 is a driving handle, 34 is an annular elastic rubber ring, 35 is a detection sleeve, 38 is a chamfer, 39 is a fourth mounting plate, 71 is an extrusion head, 91 is a stressed wedge surface, 92 is a clamping groove, 101 is a detection plane, 102 is a head pipe orifice detector, 103 is a three-stage sliding seat, 104 is a four-stage sliding seat, 105 is a detection block, 106 is a front detection side surface, 107 is an edge detection side surface, 108 is a turnover cylinder, 109 is an airtight jacking seat, 110 is a sealing rubber block, 111 is a rubber cushion, 112 is a second air inlet channel, 113 is a base plate, 115 is a first-stage linear driving device, 116 is a base plate, 117 is a first-stage limiting block, 119 is a third-stage limiting block, 121 is a fourth-stage linear driving device, 123 is a lifting seat, 124 is a second-stage sliding seat, 125 is a second-stage limiting block, 126 is a second-stage linear driving device, 131 is an exhaust pipe detection column, 132 is an inclined plane, 134 is a third-stage linear driving device, 135 is a vertical plate, 136 is a fourth-stage limiting block, 137 is a first air inlet channel, 138 is a cylinder detection column, 139 is a boss, 140 is a tail pipe orifice detector, 141 is a rear driving rod, 142 is a front driving rod, 143 is a connecting rod, 146 is a first-stage sliding seat, 148 is a compression block, 211 is a first linear driving device, 212 is a second linear driving device, 213 is a third linear driving device, 214 is a fourth linear driving device, 271 is a sliding groove, 272 is an arc-shaped hole, 351 is a detection stop, a is a, c is a conical wedge, c1 is a driving wedge surface, and d is a front end cover.

Detailed Description

Specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 9, an embodiment of an integrated detection device for a muffler assembly includes a substrate 113, the substrate 113 is provided with a tail pipe orifice detection tool 140 and a head pipe orifice detection tool 102, the substrate 113 is further provided with a plurality of cylinder detection columns 138 and a plurality of exhaust pipe detection columns 131, the upper ends of the detection columns are provided with detection grooves, the extending direction of the central axis of each detection groove is consistent with the extending direction of the corresponding pipe section, and whether the extending directions of the cylinders and the exhaust pipes meet the standard or not is detected through the detection grooves. Set up jacking lift seat 123 on the base plate 113, the upper end top of the jacking seat of lift seat 123 sets up the draw-in groove that is used for a section of thick bamboo to lift the barrel, sets up and goes up and down seat 123 and can make things convenient for getting of whole silencer and put, improves the operating efficiency.

The head nozzle detection tool 102 comprises a first-stage sliding seat 146 arranged on a base plate 116, a second-stage sliding seat 124, an airtight jacking seat 109 and a turnover pressing cylinder 108 are arranged on the first-stage sliding seat 146, the sliding direction of the second-stage sliding seat 124 is perpendicular to that of the first-stage sliding seat 146, a third-stage sliding seat 103 is arranged on the second-stage sliding seat 124, a fourth-stage sliding seat 104 sliding in the vertical direction is arranged on the third-stage sliding seat 103, a detection block 105 is arranged on the fourth-stage sliding seat 104, an upper end face of the detection block 105 is provided with an upper detection plane 101, the detection plane 101 is provided with a boss 139 protruding from the upper detection plane 101, a front detection side face 106 and an edge detection side face 107 which are perpendicular to each other are arranged on the boss 139, the front detection side face 106 is perpendicular to the sliding direction of the second-stage sliding seat 124, and the edge detection side face 107 is perpendicular to that of the third-, the upset compresses tightly overhead fixed compact heap 148 that compresses tightly of jar 108, but airtight jacking seat 109's top sets up the rubber backing plate of fluctuation, in this embodiment, airtight jacking seat 109 includes the jacking cylinder, and fixed rubber backing plate is connected at the top of jacking cylinder, fixed sealing rubber piece 110 is connected on the top of rubber backing plate, set up first intake duct 137 up on the sealing rubber piece 110, set up second intake duct 112 on the rubber backing plate 111, the entrance point of second intake duct 112 and the bottom intercommunication of first intake duct 137, the air inlet setting of second intake duct 112 is at the surface of rubber backing plate.

Preferably, a base plate 116 is disposed on the base plate 113. The inclined plane 132 at the upper end of the base plate 116 is in sliding fit with the first-level sliding seat 146 through the sliding rail 19, the whole device is inclined through the inclined plane, the head pipe orifice detection is facilitated, the base plate 113 is provided with the first-level linear driving device 115, the driving end of the first-level linear driving device 115 is fixedly connected with the first-level sliding seat 146, the inclined plane 132 at the upper end of the base plate 116 is provided with the first-level limiting block 117, the first-level limiting block 117 is positioned in the sliding direction of the first-level sliding seat 146, the second-level sliding seat 124 is in sliding fit with the upper end face of the first-level sliding seat 146 through the sliding rail 19, the first-level sliding seat 146 is provided with the second-level linear driving device 126, the driving end of the second-level linear driving device 126 is fixedly connected with the second-level sliding seat 124, the third-stage sliding seat 103 is in sliding fit with the upper end face of the second-stage sliding seat 124 through a sliding rail 19, a third-stage linear driving device 134 is arranged on the second-stage sliding seat 124, the driving end of the third-stage linear driving device 134 is fixedly connected with the third-stage sliding seat 103, a third-stage limiting block 119 is arranged on the second-stage sliding seat 124, and the third-stage limiting block 119 is located in the sliding direction of the second-stage sliding seat 124. The upper end face of the third-stage sliding seat 103 is connected with a fixed vertical plate 135, the vertical plate 135 is in sliding fit with the fourth-stage sliding seat 104 through a vertical sliding rail 19 towards one side of the detection block 105, the upper end face of the third-stage sliding seat 103 is provided with a fourth-stage linear driving device 121, a driving end of the fourth-stage linear driving device 121 extending upwards is connected with the fixed detection seat 129, and the top end of the vertical plate 135 is connected with a fixed fourth-stage limiting block 136. The second-stage sliding seat 124, the third-stage sliding seat 103 and the fourth-stage sliding seat 104 can realize the adjustment of the detection block 105 in two horizontal directions and the up-down direction, and can conveniently detect the head orifice.

The tail pipe orifice checking fixture 140 comprises a telescopic middle sleeve 1, an outer sleeve 2 which can axially slide relative to the middle sleeve 1 is sleeved outside the middle sleeve 1, the tail part of the outer sleeve 2 is fixedly connected with a first mounting plate 17, and the first mounting plate 17 is arranged on a sliding plate 18. The sliding plate 18 is slidably engaged with a frame base 20 through a sliding rail 19, the frame base 20 is fixed on the base plate 113, and a first linear driving device 211 for driving the sliding plate 18 is arranged in the frame base 20. The sliding plate 18 is provided with a detection sleeve 35 which can axially slide; the sliding plate 18 is provided with a detection sleeve 35 driven by a fourth linear driving device 214, in this embodiment, the upper end of the first mounting plate 17 may be provided with the fourth mounting plate, the fourth mounting plate 39 is provided with a horizontal fourth linear driving device 214, an overhanging end of the horizontal fourth linear driving device 214 is fixed with a vertical edge of an L-shaped connecting piece, and a lower transverse edge of the L-shaped fixing piece is connected and fixed with the detection sleeve 35. The detection sleeve 35 is provided with a detection spigot 351, the middle sleeve 1 passes through a middle hole of the detection spigot 351, and the detection spigot 351 and the telescopic core rod 3 have the same axial lead. The mouth end of the detection sleeve 35 is provided with a chamfer 38 for guiding the mouth of the tube to be sleeved, and the detection sleeve 35 is used for guiding, detecting and positioning the mouth of the tube at the initial stage, so that the outer sleeve 2 can be conveniently stretched into the detection sleeve. Meanwhile, when the air tightness detection is carried out, the detection sleeve 35 and the positioning key 9 jointly act to clamp the outer wall of the pipeline.

The middle sleeve is characterized in that a telescopic core rod 3 capable of axially sliding relative to the middle sleeve 1 is sleeved in a central shaft hole of the middle sleeve 1, the telescopic core rod 3 sequentially extends forwards to form a tapered wedge c arranged at the end of the middle sleeve 1 and a front end cover d arranged at the end of the outer sleeve 2, a flexible sealing sleeve 6 is sleeved in an extending section of the telescopic core rod 3 in an empty mode, and an extrusion head 71 used for axially limiting the flexible sealing sleeve 6 is arranged at the end of the extending section of the telescopic core rod 3. Set up three radial hole a at least on the outer tube 2, arbitrary two adjacent radial hole a is less than 180 at circumferencial direction's contained angle A, but set up radial slide's navigation key 9 in the radial hole a, navigation key 9 stretches into the one end in the center shaft hole of middle tube 1 sets up atress wedge surface 91, and the wedge angle of each atress wedge surface 91 equals, atress wedge surface 91 with the drive wedge surface c1 sliding fit that sets up on the taper wedge c makes each navigation key 9 equidistance roll-off in the footpath. The front end of the conical wedge c can be provided with three identical inclined planes as driving wedge surfaces c1, the three driving wedge surfaces c1 are equally divided around the central axis of the middle casing 1, and the stressed wedge surface 91 is an inclined plane structure matched with the driving wedge surfaces c 1. Preferably, the driving wedge surface c1 on the conical wedge c is a conical surface, the force-bearing wedge surface 91 is a concave arc curved surface structure matched with the driving wedge surface c1, the conical surface is in sliding fit with the force-bearing wedge surfaces 91 on the positioning keys 9, so that the positioning keys 9 slide out at equal intervals in the radial direction, the conical surface is adopted, the processing is convenient, and the wedge angles of the force-bearing wedge surfaces 91 can be ensured to be equal. Preferably, the overhanging ends of the positioning keys 9 are respectively provided with a clamping groove 92, and the clamping grooves 92 of the positioning keys 9 are clamped with the annular elastic rubber ring 34 together, so that the positioning keys 9 can be prevented from falling out of the pipe orifice.

Further, a front driving rod 142 transversely penetrates through an axial strip hole b formed in the outer sleeve 2 and an axial strip hole b formed in the middle sleeve 1, the tail end of the telescopic core rod 3 extends into the axial strip hole b formed in the middle sleeve 1 and is axially fixed with the front driving rod 142, and when the front driving rod 142 slides relative to the middle sleeve 1 and the outer sleeve 2 in the axial strip hole b, the front driving rod 142 drives the telescopic core rod 3 to move relative to the outer sleeve 2 and the middle sleeve 1, so that the telescopic core rod 3 is driven to move telescopically.

In this embodiment, the sliding plate 18 may be provided with a third mounting plate 22, the third mounting plate 22 is provided with a second linear driving device 212, the second linear driving device 212 is fixedly connected to a rear driving rod 141 at one end of a driving frame 14, the other end of the driving frame 14 is provided with a front driving rod 142, the first mounting plate 17 is located in an in-frame area of the driving frame 14, and the second linear driving device 212 is used for driving the frame 14 to axially extend, so as to achieve extension of the telescopic core rod 3. The sliding plate 18 is provided with a vertical second mounting plate 30, the second mounting plate 30 is located in the frame area of the driving frame 14, the second mounting plate 30 is provided with a third linear driving device, the third linear driving device and the middle sleeve 1 are coaxial, and the middle sleeve 1 penetrates through a through hole in the first mounting plate 17 and is axially limited with a linear driving end of the second three linear driving device on the second mounting plate 30.

The driving frame 14 may be a rectangular frame, the connecting rods 143 extending in two axial directions of the driving frame 14 are respectively engaged with the axial sliding grooves 271 provided on a driving sleeve 27, the outer wall of the driving sleeve 27 is provided with an arc-shaped hole 272 extending spirally along the outer wall surface, and the second mounting plate 30 is hinged with a driving handle 31 capable of rotating in the circumferential direction of the driving sleeve 27, in the embodiment, the rotation center of the driving handle 31 is hinged at the rear of the third linear driving means 213 of the second mounting plate 30, the handle of the driving handle 31 penetrates through the arc-shaped hole 272 and is in sliding fit with the arc-shaped hole 272, the driving handle 31 is pulled, the force component driving sleeve 27 of the driving handle 31 and the arc-shaped hole 272 in the axial direction moves backwards, then the driving sleeve 27 drives the rear driving frame 14 of the frame 14 to move backwards, and then the telescopic core rod 3 is driven to contract, so that the flexible sealing sleeve 6 is squeezed and compressed.

When the scheme is adopted for detecting the silencer, the tail pipe opening detection tool 140 is used for detecting and positioning the silencer, the middle sleeve 1 extends into the pipe opening at the tail of the silencer, the detection sleeve 35 can detect the size and the angle of the tail pipe of the silencer, the detection spigot 351 can detect the length of the tail pipe of the silencer, the tail pipe of the silencer is inserted into the detection spigot 351, and then whether the detection sleeve 35 slides to a designated position or not is observed, so that the length of the tail pipe of the silencer can be detected. The second grade seat 124 and the airtight jacking seat 109 of sliding through one-level seat 146 of sliding can be switched, realize that a plurality of functions switch, when carrying out welding precision detection, slide seat 124, tertiary seat 103, the level four and slide seat 104 through the second grade and realize preceding detection face, limit portion detection face and the adjustment of last detection plane 101 position respectively, whether the coincidence condition of the plane of waiting to detect and each detection face is in normal tolerance is being detected and observed, thereby accomplish and detect the silencer head mouth of pipe. After the welding precision detection is finished, when the air tightness detection is needed, the air tightness jacking seat 109 is moved to the lower portion of a head pipe orifice of the silencer through the first-stage sliding seat 146, the sealing rubber block 110 plugs the front section of the silencer through jacking of the jacking seat, the inner cavity of the whole silencer is communicated with an air source through the first air inlet channels 137 and the second air inlet channels 112, at the initial preparation stage of plugging operation, the flexible sealing sleeve 6 is in a free state, the positioning key 9 retracts inwards, the head end of the outer sleeve 2, the head end of the telescopic core rod 3, the flexible sealing sleeve 6 and the positioning key 9 go deep into a tail pipe orifice, when plugging is started, the middle sleeve 1 is firstly enabled to extend forwards axially to cause axial movement of the conical wedge c, and the driving wedge surface 1 arranged on the conical wedge c is in sliding fit with the stress wedge surfaces 91 arranged on the positioning key 9, so that the positioning key 9. Because each positioning key 9 extends outwards and supports the pipe wall, the middle sleeve 1 can be positioned and clamped, so that the center of the middle sleeve 1 is adjusted, the axis of the middle sleeve 1 is coaxial with the axial lead of the pipe orifice, the telescopic core rod 3 is coaxial with the axial lead of the pipe orifice, the annular width of an annular hole to be sealed between the extending section of the telescopic core rod 3 and the pipe wall is uniform, when the telescopic core rod contracts, the front end cover d arranged at the end of the outer sleeve 2 and the extrusion head 71 extrude the flexible sealing sleeve 6, and the flexible sealing sleeve 6 deforms radially to seal the pipe orifice at the tail part. And the air tightness test is carried out by injecting a medium through an air source, and the pressure sensor arranged in a pipeline communicated with the air inlet of the second air inlet channel and the air source detects the pressure change in the whole closed air channel, so that the air tightness detection is realized. Adopt the utility model discloses, can weld the precision detection and the gas tightness detects on whole device, can effectively reduce the circulation demand of part, it can also solve pipe socket sealing performance poor, detect defects such as with high costs in traditional silencer gas tightness detection mode simultaneously.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides an integrative detection device of silencer assembly, includes the base plate, its characterized in that: the base plate is provided with a tail pipe orifice checking fixture and a head pipe orifice checking fixture, the base plate is also provided with a plurality of barrel detection columns and a plurality of exhaust pipe detection columns, the upper end of each detection column is provided with a detection groove, the head pipe orifice checking fixture comprises a first-stage sliding seat arranged on a base plate, the first-stage sliding seat is provided with a second-stage sliding seat, an airtight jacking seat and a turnover pressing cylinder, the sliding direction of the second-stage sliding seat is vertical to that of the first-stage sliding seat, the second-stage sliding seat is provided with a third-stage sliding seat, the third-stage sliding seat is provided with a fourth-stage sliding seat sliding in the vertical direction, the fourth-stage sliding seat is provided with a detection block, the upper end surface of the detection block is provided with a detection plane, the detection plane is provided with a boss protruding from the upper detection plane, and the boss is provided with a front detection side surface, the front detection side face is perpendicular to the sliding direction of the second-stage sliding seat, the side detection side face is perpendicular to the sliding direction of the third-stage sliding seat, a compression block is fixed on a compression head of the overturning compression cylinder, a rubber cushion plate capable of floating up and down is arranged at the top end of the airtight jacking seat, a fixed sealing rubber block is connected and fixed to the top end of the rubber cushion plate, an upward first air inlet channel is arranged on the sealing rubber block, a second air inlet channel is arranged on the rubber cushion plate, the inlet end of the second air inlet channel is communicated with the bottom end of the first air inlet channel, and the air inlet of the second air inlet channel is arranged on the outer surface of the rubber; the tail pipe orifice checking fixture comprises a telescopic middle sleeve, an outer sleeve capable of axially sliding relative to the middle sleeve is sleeved outside the middle sleeve, the tail of the outer sleeve is fixedly connected with a first mounting plate, the first mounting plate is arranged on a sliding plate, the sliding plate is in sliding fit with a rack base through a sliding rail, the rack base is fixed on a base plate, a first linear driving device for driving the sliding plate is arranged in the rack base, a detection sleeve capable of axially sliding is arranged on the sliding plate, the detection sleeve is provided with a detection spigot, the middle sleeve penetrates through a middle hole of the detection spigot, the detection spigot and a telescopic core rod are coaxial, a telescopic core rod capable of axially sliding relative to the middle sleeve is sleeved in a central axial hole of the middle sleeve, and the telescopic core rod sequentially extends forwards to form a tapered wedge, a tapered wedge and a tapered core rod which are arranged at the, The end of the extending section of the telescopic core rod is provided with an extrusion head used for axial limiting of the flexible sealing sleeve, the outer sleeve is provided with at least three radial holes, the included angle A of any two adjacent radial holes in the circumferential direction is smaller than 180 degrees, the radial holes are internally provided with positioning keys capable of sliding in the radial direction, one end of each positioning key extending into the central shaft hole of the middle sleeve is provided with a stress wedge surface, the wedge angles of the stress wedge surfaces are equal, and the stress wedge surfaces are in sliding fit with driving wedge surfaces arranged on the tapered wedges.

2. The integrated detection device of the muffler assembly according to claim 1, wherein: a front driving rod transversely penetrates through an axial strip hole formed in the outer sleeve and an axial strip hole formed in the middle sleeve, and the tail end of the telescopic core rod extends into the axial strip hole formed in the middle sleeve to be axially fixed with the front driving rod.

3. The integrated detection device of the muffler assembly according to claim 2, wherein: the sliding plate is provided with a third mounting plate, the third mounting plate is provided with a second linear driving device, the second linear driving device is fixedly connected with a rear driving rod at one end of a driving frame, the other end of the driving frame is provided with a front driving rod, and the first mounting plate is positioned in the frame area of the driving frame.

4. The integrated detection device of the muffler assembly according to claim 3, wherein: the sliding plate is provided with a vertical second mounting plate, the second mounting plate is located in the frame area of the driving frame, the second mounting plate is provided with a third linear driving device, the third linear driving device and the middle sleeve share a same axial lead, and the middle sleeve penetrates through the through hole in the first mounting plate and is axially limited with the linear driving end of the third linear driving device in the second mounting plate.

5. The integrated detection device of the muffler assembly according to claim 4, wherein: drive frame is a rectangular frame, drive frame's the axial sliding tray joint that sets up is sheathe in to the connecting rod that extends with a drive respectively to the diaxon, set up the arc hole that extends along outer wall spiral on the drive cover outer wall, articulated can be at drive sleeve's circumferencial direction pivoted actuating handle on the second mounting panel, actuating handle's handle pass the arc hole and with arc hole sliding fit.

6. The integrated detection device of the muffler assembly according to claim 1, wherein: the overhanging ends of the positioning keys are respectively provided with a clamping groove, and the clamping grooves of the positioning keys are clamped with the annular elastic rubber rings together.

7. The integrated detection device of the muffler assembly according to claim 1, wherein: the base plate is provided with a base plate, a first-stage sliding seat is in sliding fit with an inclined plane at the upper end of the base plate through a sliding rail, a first-stage linear driving device is arranged on the base plate, a driving end of the first-stage linear driving device is fixedly connected with the first-stage sliding seat, a first-stage limiting block is arranged on the inclined plane at the upper end of the base plate and is positioned in the sliding direction of the first-stage sliding seat, a second-stage sliding seat is in sliding fit with the upper end face of the first-stage sliding seat through a sliding rail, a second-stage linear driving device is arranged on the first-stage sliding seat, a driving end of the second-stage linear driving device is fixedly connected with the second-stage sliding seat, a second-stage limiting block is arranged on the first-stage sliding seat and is positioned in the sliding direction of the second-stage sliding seat, a third, the driving end of the third-level linear driving device is fixedly connected with the third-level sliding seat, a third-level limiting block is arranged on the second-level sliding seat, and the third-level limiting block is located in the sliding direction of the second-level sliding seat.

8. The integrated detection device of the muffler assembly according to claim 1, wherein: the utility model discloses a three-level slide seat, including three-level slide seat, riser orientation detection piece, fixed riser is connected on the up end of three-level slide seat, the riser orientation detects piece one side and slides the seat through vertical slide rail sliding fit level four, the up end of three-level slide seat sets up level four linear drive device, the fixed seat that detects is connected to the drive end that level four linear drive device upwards extended, fixed level four stopper is connected on the top of riser.

9. The integrated detection device of the muffler assembly according to claim 1, wherein: the base plate is provided with a lifting seat, and the top end of the lifting seat is provided with a clamping groove for lifting the cylinder.

10. The integrated detection device of the muffler assembly according to claim 1, wherein: the driving wedge surface on the conical wedge is a conical surface, and the conical surface is in sliding fit with the stressed wedge surface on the positioning key, so that the positioning keys slide out at equal intervals in the radial direction.