CN103487222A - Lifting type automatic leakage detection machine with follow-up downward-guiding function - Google Patents
Lifting type automatic leakage detection machine with follow-up downward-guiding function Download PDFInfo
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- CN103487222A CN103487222A CN201310410394.3A CN201310410394A CN103487222A CN 103487222 A CN103487222 A CN 103487222A CN 201310410394 A CN201310410394 A CN 201310410394A CN 103487222 A CN103487222 A CN 103487222A
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Abstract
The invention relates to a machine which detects the leakage of workpieces to be detected through a differential pressure method in a dried mode, wherein the machine is connected to a leakage detection automatic production line in series. The machine is particularly suitable for enabling the workpieces, with no proper law for appearance, to be detected to be in a posture which is suitable for stable transportation or transfer so that the leakage detection work can be conducted, and the proper posture needs to be assisted through accurate positioning in the sealing link and accurate guiding in the transportation link special for the correct lifting type automatic leakage detection machine. The automatic leakage detection machine comprises a machine frame assembly, a driving roller assembly, an upper clamp assembly, lifting mechanism assemblies, a lower clamp assembly, a pressure fluid driving system, a guiding and positioning assembly, a front blocking assembly and an electrical control system, and the machine frame assembly, the driving roller assembly, the upper clamp assembly, the lifting mechanism assemblies, the lower clamp assembly, the pressure fluid driving system, the guiding and positioning assembly, the front blocking assembly and the electrical control system are composited to form the mechanical and electrical integrated lifting type automatic leakage detection machine. The lifting type automatic leakage detection machine with the follow-up downward-guiding function has various guiding structure forms, can adapt to the workpieces to be detected in various forms, can meet the requirement for automatic leakage detection, is high in reliability, improves the production efficiency and is low in cost.
Description
Technical field
The present invention relates to a kind of machinery that measured workpiece is utilized to the differential pressure method dry-type leak hunting, this machinery is connected in the automatic production line of leaking hunting; The appearance profile that this machinery is specially adapted to measured workpiece does not have suitable rule can reach the work of being leaked hunting of a stable attitude of carrying or shifting, and this suitable attitude need to be assisted with the location of sealing part special-purpose in the automatic air leak tester of rational lifting type and the guiding of conveying process.
Background technology
In the processing of the metal shell of the engine of the transportation equipments such as automobile, need to be leaked hunting to housing, if processed because there is the metal cylinder body of the defects such as sand holes to occur that leakage phenomenon just need to follow up, the air leak tester of need of work in automatic production line that leak hunting carries out, it need to utilize, the closure of lower clamp is delivered to a place by measured workpiece, this place can meet the requirement that needed independent cavity or a series of cavity of ganging up carry out omnibearing sealing, again in this leak free cavity, injecting gases at high pressure, then utilize the differential pressure leak detector to detect, just completed the judgement of revealing.Adopt the dry type differential pressure to leak hunting air leak tester that principle carries out, because test accurately, particularly efficiency is high and be widely used.This detection mode needs measured workpiece to have the more accurate stable operating attitude tested cavity of sealing smoothly in the fixture that leaks hunting, in like manner, measured workpiece preferably also can keep suitable attitude before being delivered to the fixture that leaks hunting, reduce unnecessary adjustment, so-called attitude just refers to the content of six view directions of the affiliated outline of measured workpiece, even air leak tester requires should not change attitude after this workpiece moves forward and move up and down new position automatically.
If the left and right sides as the housing appearance profile of measured workpiece has respectively a straight flange, or be called and face directly, this straight flange just can be used as the guiding key element in conveying, and this straight flange can consist of at least two salient points on workpiece or convex surface, and straight flange must be parallel with the measured workpiece throughput direction.When this measured workpiece enters in the conveying roll of automatic air leak tester, this straight flange is installed fixing outer guide pole by the roller left and right sides and is retrained, measured workpiece just can reach the assigned position that enters lower press plate smoothly, the lifting positioning component of installing on the recycling lower press plate is accurately located, and just can meet the basic demand of air leak tester.But there are some measured workpieces there is no such condition, appearance profile does not have suitable rule, for example the left side of measured workpiece or right side only retain an outstanding very thin horizontal edge (referring in accompanying drawing 3 14), and on the roller-way of conveying pipeline, suddenly left, suddenly right twisting just occurs the axis of measured workpiece.Also has a kind of situation, using the automatic air leak tester of lifting type, if the straight flange that the left and right sides of the metal shell appearance profile of engine has, or face the higher position in workpiece directly, and the distance between left and right of the position that workpiece is lower is larger, carry in lower press plate the outer guide pole that will fix with the installation of the roller left and right sides in the measured workpiece lifting process and interfere (measured workpiece 13 of enumerating in referring to accompanying drawing 2), therefore in large-scale production line, for this type of measured workpiece, be the guidance mode that can not adopt known " outer laterally positioning component ".Because the measured workpiece that there is no suitable like this guiding key element can not complete and leak hunting on automatic air leak tester, usually need on manually operated air leak tester, carry out, production efficiency is significantly low.
If installing the left and right sides of halfliner place structure, the inside of measured workpiece all exist available straight flange to be led, perhaps can utilize the suitable straight flange of inner structure of measured workpiece to be led, design the requirement that a kind of mechanism can meet the guiding of the location of sealing part and conveying process, thereby make this special measured workpiece complete the work of leaking hunting the automatic air leak tester of lifting type is high efficiency, this will be the purpose that people pursue.
In existing disclosed information, we also do not find that there is the message of the automatic air leak tester of lifting type with servo-actuated lower guide function.
Summary of the invention
For above all difficulties, the present invention proposes and solve in-problem technical scheme.
A kind of automatic air leak tester of lifting type with servo-actuated lower guide function, comprise housing assembly, driving roller assembly, upper clamp assembly, lifting mechanism assembly, lower clamp assembly, pressurized fluid driven system, guide-localization assembly, front barrier assembly and electric control system, and comprehensively become the automatic air leak tester of lifting type of electromechanical integration, housing assembly comprises frame, upper mainboard, lower mainboard and column, the driving roller assembly is arranged on the lower mainboard of housing assembly, upper clamp assembly is located at the top of driving roller assembly, and is fixed on below the upper mainboard of housing assembly, the lifting mechanism assembly comprises guide rod, linear bearing, the piston cylinder supporting component that at least two long axis are parallel to each other, and the lifting mechanism assembly is arranged on the bottom of driving roller assembly, and is fixed on the lower mainboard of housing assembly, the lower clamp assembly comprises lower press plate and lifting positioning component, and lower press plate is fixed on the upper end through the guide rod of lower mainboard through hole, the lifting positioning component is arranged on lower press plate, the pressurized fluid driven system comprises piston cylinder, driven fluid pump, operation valve and pipeline, the guide-localization assembly comprises fixed guide-localization assembly and trailing type guide-localization assembly, fixed guide-localization assembly comprises gib block and securing member, the gib block of two fixed guide-localization assemblies is separately positioned on the lower press plate rear and front end, and be fixedly mounted on lower mainboard above, trailing type guide-localization assembly comprises guide plate, guide pole, guide pin bushing, flexible spacing pad, telescopic baffle, spring and securing member, the gib block of trailing type guide-localization assembly is clipped in the middle of the gib block of former and later two fixed guide-localization assemblies, and be fixed on the upper end of two guide poles, the top of guide pole is through in the guide pin bushing center pit, guide pin bushing is fixedly mounted on lower press plate, the middle part of guide pole is through the through hole of lower mainboard, the bottom of guide pole utilizes the flexible spacing pad of securing member fixed installation, be provided with spring between guide pin bushing lower surface and flexible spacing pad upper surface, be provided with telescopic baffle in flexible spacing pad bottom, telescopic baffle is fixedly mounted on lower mainboard, limited when flexible spacing pad contacts with telescopic baffle.
In the production line that leaks hunting, measured workpiece enters automatic air leak tester according to certain beat continuously, the automatic air leak tester of this lifting type is that upper clamp assembly is fixed on to upper mainboard, measured workpiece is seated on lower press plate, by the lifting lower press plate, complete the closure of the fixture that leaks hunting, thereby meet the requirement that seals the cavity that leaks hunting, for the operation of leaking hunting has been created a basic physical condition; The driving roller assembly of air leak tester is to meet measured workpiece to be transported to the fixture neutralization of leaking hunting from the fixture that leaks hunting, measured workpiece to be shifted out to the roller-way of outside conveying pipeline, be provided with respectively the gib block of fixed guide-localization assembly in the lower press plate rear and front end, this gib block is to be fixedly mounted on above lower mainboard; The gib block of two sections fixed guide-localization assemblies of the guide plate of trailing type guide-localization assembly and front and back joins end to end, if also can make measured workpiece directly pass through smoothly when the roller transmission while not leaking hunting.Trailing type guide-localization assembly is arranged on lower press plate, can be with the lower press plate lifting, but when lower press plate during in low level, flexible spacing pad contacts with telescopic baffle, guide plate forces the gib block of projection and fixed guide-localization assembly to integrate with, when lower press plate is carried measured workpiece by lifting, guide plate is retracted in the groove of lower press plate under the effect of spring, the pin of the lifting positioning component on lower press plate inserts the pilot hole of measured workpiece and locates more accurately, so far, measured workpiece is accurately located on lower press plate, the sealing mechanism leaked hunting on fixture just can seal accurately.
The core technology of this technical scheme is exactly trailing type guide-localization assembly.This scheme has been utilized the design feature of measured workpiece inside, the straight flange of its inner structure is the metal surface machined with facing directly, when measured workpiece moves, can with guide plate and guide pole, mesh all the time, workpiece machined surface, guide plate and guide pole precision can meet measured workpiece fully and carry and the requirement sealed.Certainly the measured workpiece had is fastened on row's low brass lid on measured workpiece inside with the hexagon socket head cap screw of vertical when detecting, and now the cylindrical outer surface of this row's hexagon socket head cap screw is also a plane that can meet location.This scheme is that measured workpiece leaks hunting and pointed out a new locator meams, as long as the factor of the design feature of utilization is arranged in measured workpiece inside, can be leaked hunting on the basis of this programme.
The General Implementing example 1 proposed according to the application, the guide plate of described trailing type guide-localization assembly is the channel-section steel shape, and the guide plate left and right is provided with two stiles, and the side of each stile is the field of conjugate action of guiding.This programme is only to hold the width of guide plate stile because of the slit of the cylinder of the row's hex bolts according to the described measured workpiece of upper joint and adjacent side formation.If the centre of two guiding straight flanges that measured workpiece has does not have foreign matter, guide plate can be designed to square type xsect (referring to the measured workpiece of accompanying drawing 2 and 3).
Described housing assembly comprises frame, upper mainboard, lower mainboard and column; Frame is to form the general frame of rectangle with frame, and lower mainboard is fixed on above frame, has four columns at least, and the lower end of column is fixed on lower mainboard, and the upper end of column is fixed on mainboard.
Further technical scheme is, described driving roller assembly comprises motor reducer, long roller, overhang roll cartridge module, back up pad, bearing, drive sprocket, driven sprocket and chain, two back up pads are fixed on the left and right sides on lower mainboard, each long roller is arranged between two back up pads at a certain distance, and in both sides, lower press plate front and back; The rotation of each long roller is parallel to each other, and the axle journal at each long roller two ends is arranged in the endoporus of the bearing arranged on back up pad, and a series of long rollers form the load plane of level; A series of overhang roll cartridge modules are arranged between two back up pads at a certain distance, and be equipped with row's overhang roll cartridge module in the lower press plate left and right sides, each overhang roll cartridge module comprises cantilever roller, little bearing, bearing seat, axle sleeve and securing member, the diameter of axle end bar of cantilever roller is arranged in the endoporus of two little bearings, two little bearings are arranged in the endoporus of bearing seat, be set with axle sleeve on the diameter of axle of the cantilever roller between two little bearings, bearing seat is fixed in the endoporus of back up pad, and a series of cantilever rollers form the load plane of level; The load plane that long roller forms level overlaps with the load plane that the cantilever roller forms level; Electricity drives reductor to be arranged under lower mainboard, electricity drives on the cantilever driving shaft of reductor fixedly drive sprocket, drive sprocket is by the driven sprocket transmitting torque of coaxial cable on reel chain and long roller shaft, driven sprocket is duplex chain wheel, driven sprocket is arranged on the axle head of long roller and cantilever roller, motor reducer drives the equidirectional rotation of driven sprocket of long roller by the reel chain of drive sprocket on the cantilever driving shaft and sealing, this long roller is again by other coaxial row chain wheel and adjacent long roller and the equidirectional rotation of cantilever roller of chain-driving of another sealing; One row chain wheel is all arranged by the chain transmitting torque of a sealing between the long roller that each is adjacent and the driven sprocket on the cantilever roller.Known automatic air leak tester has the technical scheme of many motor-driven rollers, in order with lifting mechanism assembly, lower clamp assembly, guide-localization assembly, front barrier assembly, better to coordinate us to take the technical program.
Further technical scheme is, described lifting mechanism assembly comprises guide rod, linear bearing and the piston cylinder supporting component that two long axis are parallel to each other, and the piston cylinder supporting component comprises pillar and piston cylinder back up pad; Each guide rod plummet is through upper and lower two linear bearings, top linear bearing is fixed in the through hole on lower mainboard, below linear bearing be fixed in the through hole on the piston cylinder back up pad, the piston cylinder back up pad by pillar suspend in midair be fixed on lower mainboard below; The forward flange of piston cylinder is fixed under the piston cylinder back up pad, and piston rod is through piston cylinder back up pad through hole, and the upper end of piston rod is connected on flange fixing below lower press plate by floating junction.
The lifting mechanism assembly is the core technology of the automatic air leak tester of lifting type, the automatic air leak tester that the relative press mechanism assembly of this mode or employing have lifting and press mechanism concurrently has advantage simple in structure, because these are all known technologies, at this, do not do too much tired stating.
Further technical scheme is, described lifting mechanism assembly is to be provided with backing plate between lower end of the guide rod section and piston cylinder back up pad, and the center pit of backing plate is through guide rod, and backing plate is fixed on the piston cylinder back up pad; Be provided with and can regulate cushion cover in lower end of the guide rod section, the center pit of cushion cover is through guide rod, can regulate cushion cover is fixed on the screw thread of lower end of the guide rod section by screw-threaded engagement, bottom in lower end of the guide rod section also is provided with retainer nut and check washer, retainer nut and check washer be fixed on can regulate cushion cover below.
There is no the accurate face that can locate for the measured workpiece upper surface, perhaps the measured workpiece upper surface needs the flexibility location of exerting pressure for various reasons, perhaps, because the error of housing assembly processing assembling needs compensation, this just needs more accurate adjustment and the control of stroke needs of lifting lower press plate; The technical program is to utilize can to regulate cushion cover and reach this purpose, in order to prevent regulating the cushion cover change, has increased again retainer nut and check washer.Because pressure can not be born in axial two sides of linear bearing, thus utilize backing plate by pressure transfer on the piston cylinder back up pad.
Further technical scheme is, described lifting positioning component comprises tommy and securing member, and tommy utilizes securing member to be arranged on lower press plate, and pilot hole reserved on tommy and the measured workpiece in correct attitude meshes.
The lifting positioning component is the location more accurately on lower press plate for measured workpiece, and this degree of accuracy is higher than the precision of front barrier assembly and guiding.
Further technical scheme is, the edge that the guide plate xsect of described trailing type guide-localization assembly is the arc curve cross section, and the edge of this arc section is the field of conjugate action of guiding;
Further technical scheme is, the edge of the ，Gai square-section, edge that the guide plate xsect of described trailing type guide-localization assembly is the rectangular curve cross section is the field of conjugate action of guiding.The form of guide plate depends on can the lead shape of position of measured workpiece, and treating the guide plate xsect that the measured workpiece of accompanying drawing 2 and 3 just adopts can be arc section or square-section.
Further technical scheme is, the transversal section of the gib block of described fixed guide-localization assembly should be consistent with the transversal section of the guide plate of trailing type guide-localization assembly, and each gib block utilizes web member to be arranged on lower mainboard.Drain the pond to get all the fish
Described front barrier assembly comprises cylinder, guide shaft, guide shaft seat and stopper, the cylinder forward flange is fixed under the guide shaft seat, piston rod also is connected with the guide shaft coaxial inner conductor, the upper end constant resistance piece after guide shaft stretches out through the guide shaft seat, and guide shaft seat flange is fixed on lower mainboard.Front barrier assembly has many schemes, and these are known technologies.Front barrier assembly is can stop at accurately when fore-and-aft direction mobile above lower press plate for measured workpiece.
The general using method of the automatic air leak tester of this lifting type is (with General Implementing example 2, being described):
When leaking hunting operation, motor drives long roller-way and the hanging arm roll rotation of driving roller assembly, measured workpiece enters long roller-way load plane by the gib block of the fixed guide-localization assembly in right side, the measured workpiece load plane overlaps with long roller-way load plane, now lower press plate has been down to low level, as accompanying drawing 19 shows, the load plane of lower press plate is t lower than the distance of the load plane of hanging arm roll, the distance that the guide plate of trailing type guide-localization assembly upwards stretches out from the load plane of lower press plate is d1, the bump height of the tommy on lower clamp is lower than the load plane of hanging arm roll, measured workpiece advances to break away from immediately gib block and enter the load plane of hanging arm roll under the help of the guide plate of trailing type guide-localization assembly, front barrier assembly rises stopper, measured workpiece contacts and is stopped with stopper, motor stops driving the driving roller assembly, the pressurized fluid driven system rises the lower press plate assembly by the lifting mechanism assembly, the guide plate of trailing type guide-localization assembly descends in the effect of spring force, the distance of upwards stretching out from the load plane of lower press plate when the guide plate of trailing type guide-localization assembly is d2, d2<d1, the tommy of the lifting positioning component on lower press plate pierces in the pilot hole of measured workpiece, on lower press plate, plane overlaps with the load plane of measured workpiece immediately, the load plane of measured workpiece breaks away from the load plane of cantilever roller, the lower press plate assembly carries measured workpiece and trailing type guide-localization assembly and is lifted to upper limit and stops, as accompanying drawing 20 shows, now measured workpiece is by upper lower clamp closure, sealing topworks in fixture starts action, the cavity detected is by omnibearing sealing, the differential pressure leak detection instrument starts to detect, the sealing topworks that detection completes in rear jig sets back, lower press plate moves down, the guide plate of trailing type guide-localization assembly is at the effect lower convexity of telescopic baffle, measured workpiece is dropped on again on the load plane of cantilever roller, lower press plate continues to be reduced to original low level, the pin of lifting positioning component breaks away from from the pilot hole of measured workpiece, the upper tip of pin is lower than the load plane of cantilever roller, motor drives the rotation of driving roller assembly, measured workpiece enters the gib block district of the fixed guide-localization assembly in left side under the effect of cantilever roller and long roller, last measured workpiece is taken out of air leak tester by long roller and is entered next operation.
So circulate, carried out the task that leaks hunting of primary measured workpiece.
The automatic air leak tester of lifting type beneficial effect compared with prior art with servo-actuated lower guide function of the present invention is:
The automatic air leak tester of the lifting type with servo-actuated lower guide function that the present invention proposes can adapt to the various ways measured workpiece, can meet the requirement of automatically leaking hunting, and reliability is higher, has improved production efficiency, and manufacture and the operating cost of air leak tester are lower.
In the embodiment of the principle of work of describing this automatic air leak tester, we have adopted the technical scheme of three kinds of guiding all can complete the task of automatically leaking hunting only for a kind of measured workpiece; Obviously, can also be for many measured workpieces of other kind, this also needs the core feature in this programme is carried out the modification of physical dimension aspect certainly, just can satisfy the demand.
the accompanying drawing explanation
Described front and back in this instructions refer to along the front and back of measured workpiece transported substance flow path direction, and described left and right also refers to the left and right in the face of direction forward.
Fig. 1 surveys view, the flow direction that arrow shown in figure is measured workpiece as the outward appearance axle of the automatic air leak tester of lifting type with servo-actuated lower guide function of the operation use of leaking hunting;
Fig. 2 is the axle survey view that this kind of measured workpiece 13 is transported to operating attitude in automatic air leak tester, the flow direction that arrow shown in figure is measured workpiece, face directly 16a and the 16b of measured workpiece in-profile can be used as the spigot surface slided along the guide-localization assembly guide way field of conjugate action, measured workpiece load plane 17 and the engagement of roller load plane;
Fig. 3 is that the axle of the measured workpiece 13 conveying attitude of turning over turnback is surveyed view, and this figure is for the straight line led that better understands measured workpiece inside or face directly.Planarea 15a and the 15b of measured workpiece outline can be used as guide surface, but due to its left and right directions, relatively bottom is narrow many for its spacing, and profile can be interfered with the external orientation assembly when lifting, and obviously this technical scheme can not adopt at the automatic air leak tester of lifting type;
The difference of Fig. 4 and Fig. 2, the difference of Fig. 5 and Fig. 3, be all to install and fixed five semiaxis tiles 19 with hexagon socket head cap screw 20 on measured workpiece 13; In this case measured workpiece is leaked hunting, just can be utilized the planarea 20a of the cylinder formation of row's hexagon socket head cap screw;
Fig. 6 is the front elevation of the automatic air leak tester of Fig. 1; Shown in the drawings be placed on roller will lifting measured workpiece 13;
Fig. 7 is that the axle of lower press plate assembly 8 is surveyed view;
Fig. 8 is that trailing type guide-localization assembly axle is surveyed view;
Fig. 9 is the B-B cut-open view of Fig. 6;
Figure 10 is that the axle of upper jig plate assembly 6 is surveyed view; Shown the 6a of sealing topworks be arranged on the jig plate assembly in this view kind; Upper location-plate 33 plays the effect of restriction measured workpiece, and the seal 35 of going up on location-plate 33 is the shaped form O-ring seal simultaneously; The sealing topworks of both sides comprises execution cylinder, sealing push pedal 34, bearing, seal 35 and guide rod, and cylinder makes to seal the sealing surface that push pedal 34 compresses measured workpieces; After upper and lower clamp assembly closure, seal 35 seals measured workpiece;
Figure 11 is that the axle of lifting mechanism assembly 2 is surveyed view;
Figure 12 is the trailing type guide-localization component view that in Fig. 9, II is amplified;
Figure 13 is that the axle of driving roller assembly is surveyed view;
Figure 14 is the overhang roll cartridge module view that in Fig. 9, I is amplified;
Figure 15 is the isometric cutaway view of the C-C of Fig. 9; Shown vertical view that lifting mechanism assembly, driving roller assembly, lower press plate assembly and guide-localization assembly fit together.
Figure 16 surveys view as the outward appearance axle of the automatic air leak tester of lifting type with servo-actuated lower guide function of the operation use of leaking hunting, the flow direction that arrow shown in figure is measured workpiece, the xsect of the gib block of the fixed guide-localization assembly of the guide-localization assembly of this equipment is the ladder platform of semicircle, the xsect of the guide plate of trailing type guide-localization assembly is also the ladder platform of semicircle, and it is applicable to accompanying drawing 2 and 3 measured workpieces that show;
Figure 17 is that trailing type guide-localization assembly axle is surveyed view, and the xsect of the guide plate 26a of trailing type guide-localization assembly is the ladder platform of semicircle;
Figure 18 is that the trailing type guide-localization assembly axle that Figure 17 shows is surveyed view, has shown after trailing type guide-localization assembly is with the lifting of lower press plate assembly, and flexible spacing pad 31 has broken away from telescopic baffle 32;
Figure 19 is the cut-open view of Figure 16 equipment front elevation; This figure has shown when measured workpiece enters into the position directly over lower press plate, rests on the state of cantilever roller;
Figure 20 is the cut-open view of the equipment front elevation identical with Figure 19; After this figure has shown that measured workpiece is by lifting, enter into the state of the position of lower press plate assembly and upper jig plate assembly closure;
Figure 21 is that trailing type guide-localization assembly axle is surveyed view, and the xsect of the guide plate 26a of trailing type guide-localization assembly is rectangle; This figure shown after trailing type guide-localization assembly is with the lifting of lower press plate assembly, and flexible spacing pad 31 has broken away from telescopic baffle 32;
Figure 22 is that fixed guide-localization assembly axle is surveyed view.
Wherein: the 1-frame, 2-lifting mechanism assembly, 3-driving roller assembly, the 4-gib block, 4a-semicircle gib block, barrier assembly before 5-, the upper clamp assembly of 6-, 6a-seals topworks, the upper mainboard of 7-, 8-lower clamp assembly, 9-trailing type guide-localization assembly, the 10-column, mainboard under 11-, 12-pressurized fluid driven system, the 13-measured workpiece, the 14-horizontal edge, 15 a-measured workpiece left-external side spigot surfaces, the right outside side spigot surface of 15b-measured workpiece, the left inside side spigot surface of 16a-measured workpiece, 16b-measured workpiece Right Inboard spigot surface, the 16c-cambered surface, 17-measured workpiece load plane, 18-measured workpiece pilot hole, 19-semiaxis tile, the 20-hexagon socket head cap screw, the 20a-guiding is faced directly, the 21-tommy, the 22-lower press plate, the 23-shrinkage pool, the 24-groove, the 25-stile, the 26-guide plate, 26a-semicircle guide plate, 26b-rectangle guide plate, the 27-securing member, the 28-guide pole, the 29-guide pin bushing, the 30-spring, the 31-spacing pad that stretches, the 32-telescopic baffle, the upper location-plate of 33-, 34-side seal plate, the 35-seal, the 36-pillar, 37-piston cylinder back up pad, the 38-guide rod, 39-can regulate cushion cover, the 40-retainer nut, the 41-check washer, the 42-piston cylinder, the 43-drag chain, the 44-fixed charge method end plate, the 45-piston rod, the 46-linear bearing, the 47-floating junction, the servo-actuated fixed charge method end plate of 48-, the 49-flange, the long roller of 50-, the 51-driven sprocket, the 52-back up pad, the long roller that 53-is adjacent, 54-overhang roll cartridge module, the 55-chain, 56-cantilever roller, the 57-bearing, the 58-electricity drives reductor, the 59-reel chain, the 61-bearing seat, the little bearing of 62-, the 63-axle sleeve, the 64-backing plate, the 65-web member.
embodiment
Below in conjunction with accompanying drawing, the automatic air leak tester of lifting type with servo-actuated lower guide function of the present invention is further described.
in Fig. 1,4,5,6 to 15, shown the General Implementing example 1 of the automatic air leak tester of lifting type with servo-actuated lower guide function.
The one-piece construction that has shown automatic air leak tester in Fig. 1,6 and 9, the present embodiment is the scheme for the design of the measured workpiece shown in Fig. 4 and Fig. 5, the moving direction that in figure, arrow is measured workpiece.Because this measured workpiece has been installed with the fixing semiaxis tile of hexagon socket head cap screw, the guiding of utilizing the right cylinder outline as two row's hexagon socket head cap screws of annex to form is faced the guiding key element as the engagement of the director element with the guide-localization assembly directly, completes the work of leaking hunting.
A kind of automatic air leak tester of lifting type with servo-actuated lower guide function, comprise housing assembly, driving roller assembly 3, upper clamp assembly 6, lifting mechanism assembly 2, lower clamp assembly 8, pressurized fluid driven system 12, guide-localization assembly, front barrier assembly 5 and electric control system, and comprehensively become the automatic air leak tester of lifting type of electromechanical integration, housing assembly comprises frame 1, upper mainboard 7, lower mainboard 11 and column 10, the driving roller assembly is arranged on the lower mainboard of housing assembly, upper clamp assembly is located at the top of driving roller assembly, and is fixed on below the upper mainboard of housing assembly, the lifting mechanism assembly comprises guide rod 2, linear bearing 46, the piston cylinder supporting component that at least two long axis are parallel to each other, and the lifting mechanism assembly is arranged on the bottom of driving roller assembly, and is fixed on the lower mainboard of housing assembly, the lower clamp assembly comprises lower press plate 22 and lifting positioning component, and lower press plate is fixed on the upper end through the guide rod 38 of lower mainboard through hole, the lifting positioning component is arranged on lower press plate, the pressurized fluid driven system comprises piston cylinder 42, driven fluid pump, operation valve and pipeline, it is characterized in that, the guide-localization assembly comprises fixed guide-localization assembly and trailing type guide-localization assembly 9, fixed guide-localization assembly comprises gib block 4 and securing member, and two fixed guide-localization assemblies are separately positioned on the lower press plate rear and front end, and be fixedly mounted on lower mainboard above, trailing type guide-localization assembly comprises guide plate 26, guide pole 28, guide pin bushing 29, flexible spacing pad 31, telescopic baffle 32, spring 30 and securing member 18, the guide plate of trailing type guide-localization assembly is clipped in the middle of the gib block of former and later two fixed guide-localization assemblies, and be fixed on the upper end of two guide poles, the top of guide pole is through in the guide pin bushing center pit, guide pin bushing is fixedly mounted in the shrinkage pool 23 on lower press plate, the middle part of guide pole is through the through hole of lower mainboard, the bottom of guide pole utilizes the flexible spacing pad 31 of securing member fixed installation, be provided with spring 30 between guide pin bushing lower surface and flexible spacing pad upper surface, be provided with telescopic baffle 32 in flexible spacing pad bottom, telescopic baffle is fixedly mounted on lower mainboard 11, limited when flexible spacing pad contacts with telescopic baffle.
Described housing assembly comprises frame 1, upper mainboard 7, lower mainboard 11 and column 10; Frame is to form the general frame of rectangle with frame, and lower mainboard is fixed on above frame, has four columns at least, and the lower end of column is fixed on lower mainboard, and the upper end of column is fixed on mainboard.
The concrete structure that has shown the driving roller assembly at Figure 13 and 15, described driving roller assembly comprises motor reducer 58, long roller 53, overhang roll cartridge module 54, back up pad 52, bearing 57, drive sprocket, driven sprocket 51 and chain, two back up pads are fixed on the left and right sides on lower mainboard, each long roller is arranged between two back up pads at a certain distance, and in lower press plate 22 both sides, front and back, the rotation of each long roller is parallel to each other, and the axle journal at each long roller two ends is arranged in the endoporus of the bearing 57 arranged on back up pad, and 6 long rollers form the load plane of level, 10 overhang roll cartridge modules are arranged between two back up pads at a certain distance, and be equipped with 5 overhang roll cartridge modules in the lower press plate left and right sides, each overhang roll cartridge module comprises cantilever roller 56, little bearing 62, bearing seat 61, axle sleeve 63 and securing member, the diameter of axle end bar of cantilever roller is arranged in the endoporus of two little bearings 62, two little bearings are arranged in the endoporus of bearing seat 61, be set with axle sleeve on the diameter of axle of the cantilever roller between two little bearings, bearing seat is fixed in the endoporus of back up pad 52, and a series of cantilever rollers form the load plane of level, the load plane that long roller forms level overlaps with the load plane that the cantilever roller forms level, electricity drives reductor 58 to be arranged on lower mainboard 11 times, electricity drives on the cantilever driving shaft of reductor fixedly drive sprocket, drive sprocket is by driven sprocket 51 transmitting torques of coaxial cable on reel chain 59 and long roller shaft, driven sprocket is duplex chain wheel, driven sprocket is arranged on the axle head of long roller and cantilever roller, motor reducer drives the equidirectional rotation of driven sprocket of long roller by the reel chain 59 of drive sprocket on the cantilever driving shaft and sealing, this long roller 50 drives adjacent long roller 53 and the equidirectional rotation of cantilever roller by the chain 55 of other coaxial row chain wheel and another sealing again, one row chain wheel is all arranged by chain 55 transmitting torques of a sealing between the long roller that each is adjacent and the driven sprocket on the cantilever roller.
The concrete structure that has shown the lifting mechanism assembly at Figure 11 and 15, described lifting mechanism assembly comprises guide rod 38, linear bearing 46 and the piston cylinder supporting component that two long axis are parallel to each other, and the piston cylinder supporting component comprises pillar 36, securing member and piston cylinder back up pad 37; Each guide rod plummet is through upper and lower two linear bearings, top linear bearing is fixed in the through hole on lower mainboard, below linear bearing be fixed in the through hole on the piston cylinder back up pad, the piston cylinder back up pad by pillar suspend in midair be fixed on lower mainboard below; The forward flange of piston cylinder 42 is fixed under the piston cylinder back up pad, and piston rod 45 is through piston cylinder back up pad through hole, and the upper end of piston rod is connected on the following fixing flange 49 of lower press plate 22 by floating junction 47.
Described lifting mechanism assembly is to be provided with backing plate 64 between lower end of the guide rod section and piston cylinder back up pad, and the center pit of backing plate is through guide rod, and backing plate is fixed on piston cylinder back up pad 37; Be provided with and can regulate cushion cover 39 in guide rod 38 bottoms, the center pit of cushion cover is through guide rod, can regulate cushion cover is fixed on the screw thread of lower end of the guide rod section by screw-threaded engagement, also be provided with retainer nut 40 and check washer 41 in the bottom of lower end of the guide rod section, retainer nut and check washer are fixed on below can regulating cushion cover.
The concrete structure that has shown the lifting positioning component at Fig. 7, described lifting positioning component comprises tommy 21 and securing member, tommy utilizes securing member to be arranged on lower press plate 22, and pilot hole 18 reserved on tommy and the measured workpiece 13 in correct attitude meshes.
The concrete structure that has shown servo-actuated cable drag chain assembly at Figure 11 and 15, the lower clamp assembly comprises servo-actuated cable drag chain assembly; Servo-actuated cable drag chain assembly comprises drag chain 43, servo-actuated fixed charge method end plate 48 and fixed charge method end plate 44, every joint of drag chain can be crooked, drag chain one end is fixed on servo-actuated fixed charge method end plate, servo-actuated fixed charge method end plate is connected to the surrounding of lower press plate 22, the other end after the drag chain bending is fixed on fixed charge method end plate, and fixed charge method end plate is fixed on lower mainboard 11 times.Neat when the lower clamp assembly arranges the compressed air hose of servo-actuated cable drag chain in can making the lower press plate assembly and sensor cable in lifting, and reduce the cable wearing and tearing.
The concrete structure that has shown trailing type guide-localization assembly at Fig. 8 and 15, the guide plate 26 of described trailing type guide-localization assembly is the channel-section steel shape, and the guide plate left and right is provided with two stiles 25, and the side of each stile is the field of conjugate action of guiding.
Described lower press plate 22 is provided with groove 24, and the cross-sectional height of groove and width all are greater than the height and the width of guide plate 26 outlines.When the purpose that is provided with groove 24 is the lower press plate lifting, guide plate 26 can be retracted in groove 24.This programme is limited because hold the height of guide plate stile according to the slit of the described measured workpiece of upper joint, otherwise the upper surface of guide plate stile will hold in measured workpiece the slit interference of stile 25, the requirement of inserting the pilot hole of measured workpiece for the pin that meets the lifting positioning component, need to be provided with groove in lower press plate, when the lower press plate lifting, guide plate is retracted in the following groove of lower press plate load plane, otherwise the load plane of lower press plate can not overlap with measured workpiece load plane 17, pin can't insert the pilot hole of measured workpiece, can not complete pin accurately locates, and stile 25 and the measured workpiece collision accident of guide plate 26 appear.
The concrete structure that has shown fixed guide-localization assembly at Figure 13 and 15, the gib block 4 of described fixed guide-localization assembly is two of left and right, and each gib block is unequal angle iron shape, and a side of gib block is arranged on lower mainboard 11 as web member.Be provided with through hole in the middle of gib block, long roller passes from this through hole.
in Fig. 2,3,16,17,18,19 and 20, shown the General Implementing example 2 as the automatic air leak tester of lifting type with servo-actuated lower guide function of another kind of guide-localization assembly.
The difference of the present embodiment and General Implementing example 1 is:
The one-piece construction that has shown automatic air leak tester in Figure 16,17 and 18, the present embodiment is the scheme for the design of the measured workpiece shown in Fig. 2 and Fig. 3, the moving direction that in figure, arrow is measured workpiece.Because this measured workpiece has not been installed with hexagon socket head cap screw point of fixity semiaxis tile, the curved guiding surface 16c that utilizes the outline of five halfliners of measured workpiece bottom to form, as the guiding key element of the engagement of the director element with the guide-localization assembly, completes the work of leaking hunting.
Only in Figure 17 and 18, be provided with measured workpiece.
The concrete structure that has shown trailing type guide-localization assembly at Figure 17 and 18, the arc curve cross section that the xsect of the guide plate of described trailing type guide-localization assembly is semicircle, the field of conjugate action that the edge of the arc curve section leads plate 26a of semicircle contacts with measured workpiece cambered surface 16c while being guiding.In Figure 17, shown when trailing type guide-localization assembly with the lower press plate assembly after lower limit, flexible spacing pad 31 contacts with telescopic baffle 32.In Figure 18, shown after trailing type guide-localization assembly is with the lifting of lower press plate assembly, flexible spacing pad 31 has broken away from telescopic baffle 32.
The concrete structure that has shown fixed guide-localization assembly at Figure 16,19 and 20, the ladder platform shape that the xsect of the gib block 4a of described fixed guide-localization assembly is semicircle, the field of conjugate action that semi arch contacts with measured workpiece cambered surface 16c while being guiding, gib block utilizes web member to be arranged on lower mainboard 11.
Because guide plate 26a short transverse is thinner, the position of the box semicircle orifice of measured workpiece is darker, so lower press plate 22 does not arrange groove 24.
Be provided with through hole on the gib block 4a in automatic the place ahead of air leak tester, in order to the stopper piece of front barrier assembly is stretched out, certainly before the mode that stops of barrier assembly also have a lot of forms, do not do too much narration at this.The servo-actuated fixed charge method end plate 48 of servo-actuated cable drag chain assembly also suitably moves to the right in addition, avoids the gib block 4a at servo-actuated cable drag chain assembly and rear to bump against.
The through hole of the stopper of front barrier assembly 5 from gib block 4a stretches out, and stopper is in stopping the position of measured workpiece.
All the other are basic identical for the present embodiment and General Implementing example 1.
in Fig. 2,3,21 and 22, shown the General Implementing example 3 as the automatic air leak tester of lifting type with servo-actuated lower guide function of another kind of guide-localization assembly.
The difference of the present embodiment and General Implementing example 2 is:
The present embodiment is the scheme for the measured workpiece shown in Fig. 2 and Fig. 3 design, and this scheme utilizes the center profile of measured workpiece bottom to form faces 16a, the 16b field of conjugate action as the guiding key element with the guide-localization assembly directly, completes the work of leaking hunting.The rectangle guide plate 26b that the xsect of the guide plate of its described trailing type guide-localization assembly is the rectangular curve cross section, the both sides of the square-section of rectangle guide plate 26b are when guiding and the field of conjugate action of facing 16a, 16b directly and contacting.
The shape of cross section of the gib block of described fixed guide-localization assembly is that rectangle (does not show in the accompanying drawings, can understand with reference to Figure 16, the field of conjugate action that the both sides of rectangle gib block 4b contact with measured workpiece cambered surface 16a, 16b while being guiding, this gib block utilizes web member 65 to be arranged on lower mainboard 11.
All the other are basic identical for the present embodiment and General Implementing example 2.
Obviously, the relevant technologies feature in various embodiment can reasonably be exchanged and omit in the rights protection scope.
Claims (10)
1. the automatic air leak tester of lifting type with servo-actuated lower guide function, comprise housing assembly, driving roller assembly (3), upper clamp assembly (6), lifting mechanism assembly (2), lower clamp assembly (8), pressurized fluid driven system (12), guide-localization assembly, front barrier assembly (5) and electric control system, and comprehensively become the automatic air leak tester of lifting type of electromechanical integration, housing assembly comprises frame (1), upper mainboard (7), lower mainboard (11) and column (10), the driving roller assembly is arranged on the lower mainboard of housing assembly, upper clamp assembly is located at the top of driving roller assembly, and is fixed on below the upper mainboard of housing assembly, the lifting mechanism assembly comprises guide rod (2), linear bearing (46), the piston cylinder supporting component that at least two long axis are parallel to each other, and the lifting mechanism assembly is arranged on the bottom of driving roller assembly, and is fixed on the lower mainboard of housing assembly, the lower clamp assembly comprises lower press plate (22) and lifting positioning component, and lower press plate is fixed on the upper end through the guide rod of lower mainboard through hole (38), the lifting positioning component is arranged on lower press plate, the pressurized fluid driven system comprises piston cylinder (42), driven fluid pump, operation valve and pipeline, it is characterized in that, the guide-localization assembly comprises fixed guide-localization assembly and trailing type guide-localization assembly (9), fixed guide-localization assembly comprises gib block (4) and securing member, and two fixed guide-localization assemblies are separately positioned on the lower press plate rear and front end, and be fixedly mounted on lower mainboard above, trailing type guide-localization assembly comprises guide plate (26), guide pole (28), guide pin bushing (29), flexible spacing pad (31), telescopic baffle (32), spring (30) and securing member (18), the guide plate of trailing type guide-localization assembly is clipped in the middle of the gib block of former and later two fixed guide-localization assemblies, and be fixed on the upper end of two guide poles, the top of guide pole is through in the guide pin bushing center pit, guide pin bushing is fixedly mounted on lower press plate, the middle part of guide pole is through the through hole of lower mainboard, the bottom of guide pole utilizes the flexible spacing pad of securing member fixed installation, be provided with spring between guide pin bushing lower surface and flexible spacing pad upper surface, be provided with telescopic baffle in flexible spacing pad bottom, telescopic baffle is fixedly mounted on lower mainboard, limited when flexible spacing pad contacts with telescopic baffle.
2. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, is characterized in that, described housing assembly comprises frame (1), upper mainboard (7), lower mainboard (11) and column (10); Frame is to form the general frame of rectangle with frame, and lower mainboard is fixed on above frame, has four columns at least, and the lower end of column is fixed on lower mainboard, and the upper end of column is fixed on mainboard.
3. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, described driving roller assembly comprises motor reducer (58), long roller (53), overhang roll cartridge module (54), back up pad (52), bearing (57), drive sprocket, driven sprocket (51) and chain, two back up pads are fixed on the left and right sides on lower mainboard, each long roller is arranged between two back up pads at a certain distance, and in both sides, lower press plate (22) front and back, the rotation of each long roller is parallel to each other, and the axle journal at each long roller two ends is arranged in the endoporus of the bearing (57) arranged on back up pad, and a series of long rollers form the load plane of level, a series of overhang roll cartridge modules are arranged between two back up pads at a certain distance, and be equipped with row's overhang roll cartridge module in the lower press plate left and right sides, each overhang roll cartridge module comprises cantilever roller (56), little bearing (62), bearing seat (61), axle sleeve (63) and securing member, the diameter of axle end bar of cantilever roller is arranged in the endoporus of two little bearings (62), two little bearings are arranged in the endoporus of bearing seat (61), be set with axle sleeve on the diameter of axle of the cantilever roller between two little bearings, bearing seat is fixed in the endoporus of back up pad (52), a series of cantilever rollers form the load plane of level, the load plane that long roller forms level overlaps with the load plane that the cantilever roller forms level, electricity drives reductor (58) to be arranged under lower mainboard, electricity drives on the cantilever driving shaft of reductor fixedly drive sprocket, drive sprocket is by driven sprocket (51) transmitting torque of coaxial cable on reel chain (59) and long roller shaft, driven sprocket is duplex chain wheel, driven sprocket is arranged on the axle head of long roller and cantilever roller, motor reducer drives the equidirectional rotation of driven sprocket of long roller by the reel chain (59) of drive sprocket on the cantilever driving shaft and sealing, this long roller drives adjacent long roller and the equidirectional rotation of cantilever roller by other coaxial row chain wheel and the chain (55) of another sealing again, one row chain wheel is all arranged by chain (55) transmitting torque of a sealing between the long roller that each is adjacent and the driven sprocket on the cantilever roller.
4. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, described lifting mechanism assembly comprises guide rod (38), linear bearing (46) and the piston cylinder supporting component that two long axis are parallel to each other, and the piston cylinder supporting component comprises pillar (36), securing member and piston cylinder back up pad (37); Each guide rod plummet is through upper and lower two linear bearings, top linear bearing is fixed in the through hole on lower mainboard, below linear bearing be fixed in the through hole on the piston cylinder back up pad, the piston cylinder back up pad by pillar suspend in midair be fixed on lower mainboard below; The forward flange of piston cylinder (42) is fixed under the piston cylinder back up pad, and piston rod (45) is through piston cylinder back up pad through hole, and the upper end of piston rod is connected on the following fixing flange (49) of lower press plate (22) by floating junction (47).
5. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 4, it is characterized in that, described lifting mechanism assembly is to be provided with backing plate (64) between lower end of the guide rod section and piston cylinder back up pad, the center pit of backing plate is through guide rod, and backing plate is fixed on piston cylinder back up pad (37); Be provided with and can regulate cushion cover (39) in guide rod (38) bottom, the center pit of cushion cover is through guide rod, can regulate cushion cover is fixed on the screw thread of lower end of the guide rod section by screw-threaded engagement, also be provided with retainer nut (40) and check washer (41) in the bottom of lower end of the guide rod section, retainer nut and check washer are fixed on below can regulating cushion cover.
6. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, described lifting positioning component comprises tommy (21) and securing member, it is upper that tommy utilizes securing member to be arranged on lower press plate (22), tommy and upper reserved pilot hole (18) engagement of the measured workpiece (13) in correct attitude.
7. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, the xsect of the guide plate (26) of described trailing type guide-localization assembly is the channel-section steel shape, the guide plate left and right is provided with two stiles (25), and the side of each stile is the field of conjugate action of guiding.
8. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, guide plate (26a) xsect of described trailing type guide-localization assembly is the arc curve cross section, the field of conjugate action when edge in this arc curve cross section is guiding; The field of conjugate action when edge that perhaps the guide plate xsect of described trailing type guide-localization assembly is ，Gai square-section, rectangular curve cross section is guiding.
9. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, it is characterized in that, the transversal section of the gib block of described fixed guide-localization assembly (4) should be consistent with the transversal section of the guide plate of trailing type guide-localization assembly, and each gib block utilizes web member to be arranged on lower mainboard (11).
10. the automatic air leak tester of lifting type with servo-actuated lower guide function according to claim 1, is characterized in that, the lower clamp assembly comprises servo-actuated cable drag chain assembly; Servo-actuated cable drag chain assembly comprises drag chain (43), servo-actuated fixed charge method end plate (48) and fixed charge method end plate (44), every joint of drag chain can be crooked, drag chain one end is fixed on servo-actuated fixed charge method end plate, servo-actuated fixed charge method end plate is connected to the surrounding of lower press plate (22), the other end after the drag chain bending is fixed on fixed charge method end plate, and fixed charge method end plate is fixed under lower mainboard (11).
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| CN201310410394.3A CN103487222B (en) | 2013-09-11 | 2013-09-11 | There is the automatic air leak tester of lifting type of servo-actuated lower guide function |
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| CN201310410394.3A CN103487222B (en) | 2013-09-11 | 2013-09-11 | There is the automatic air leak tester of lifting type of servo-actuated lower guide function |
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| CN106153273A (en) * | 2015-04-03 | 2016-11-23 | 安徽省青阳县华瑞科技有限公司 | A kind of chain wheel cover leakage testing device |
| CN106404293A (en) * | 2016-10-17 | 2017-02-15 | 大连现代辅机开发制造有限公司 | Crankcase leakage test sealing method and sealing device |
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| CN110466949A (en) * | 2019-09-20 | 2019-11-19 | 江苏剑桥涂装工程股份有限公司 | A kind of upper and lower pieces auxiliary device of large scale special-shaped workpiece |
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