CN205888517U

CN205888517U - Gasoline engine box lid assembly device

Info

Publication number: CN205888517U
Application number: CN201620906800.4U
Authority: CN
Inventors: 吴至利
Original assignee: Chongqing Gem Power Machinery Co Ltd
Current assignee: Chongqing Gem Power Machinery Co Ltd
Priority date: 2016-08-19
Filing date: 2016-08-19
Publication date: 2017-01-18
Anticipated expiration: 2026-08-19

Abstract

The utility model provides a gasoline engine box lid assembly device, the gasoline engine box lid is including case lid body and the bearing of pressfitting on the case lid body, the equipment system includes the transmission band, the bearing passes on the mechanism, pressing platform and pressfitting actuating mechanism, the interval is equipped with a plurality of fretwork windows on the transmission band, every fretwork window internal fixation is provided with place the platform, place the platform is suitable for and places and fixing box cover body and bearing, the bearing passes on the mechanism and is suitable for to pass on the bearing and establishes on the cylinder on round platform surface to place the platform and cover, the place the platform who takes the setting to the transmission when pressing platform is suitable for the pressfitting supports, pressfitting actuating mechanism is suitable for the bearing with passing on to the place the platform to carry out the pressfitting with the artifical case lid body of placing and fixing a position on place the platform on work platform. The utility model discloses carrying out pressfitting when equipment, the workman only need with the case lid body place place the platform go up and press the related operations button can, therefore have the characteristics that the equipment cycle is short, the pressfitting is efficient and the uniformity is good.

Description

A kind of gasoline chassis lid assembling device

Technical field

This utility model is related to gasoline chassis lid technical field and in particular to a kind of gasoline chassis lid assembling device.

Background technology

Existing gasoline chassis lid mainly includes box cover body and is pressed on bearing in box cover body, gasoline chassis lid Mainly it is adapted for gasoline is carried out with the parts of good oil seal, thus the flatness in gasoline chassis lid pairing case face and coarse The requirement of degree is very high, in order to reach case lid, the processing and fabricating in mould assembling face is required, and comes typically all by the way of Milling Process Mould assembling face in processing box cover body.Inventor of the present utility model finds although by the way of Milling Process through research Process the mould assembling face meeting in the box cover body requiring, but the bearing in box cover body and box cover body is being pressed In assembling process, use pure manually pressed, thus there is assembling cycle length, efficiency is low and concordance is poor lacks for pressing Fall into, lead to final production gasoline chassis lid quality out not high.

Utility model content

The box cover body existing for prior art and bearing are carrying out pressing in assembling process, use and pure manually enter Row pressing, thus there is assembling cycle length, the pressing technical problem that efficiency is low and concordance is poor, this utility model provides a kind of new Type gasoline chassis lid assembling device.

In order to solve above-mentioned technical problem, this utility model employs following technical scheme:

A kind of gasoline chassis lid assembling device, described gasoline chassis lid includes box cover body and is pressed in box cover body Bearing, described package system includes transmission belt, bearing transfer device, pressing platform and pressing actuator；Wherein,

Multiple hollow out windows are interval with described transmission belt, are fixedly installed placement in each described hollow out window flat Platform, described placement platform is suitable to place and fixing box cover body and bearing, at least provided with the first localization machine on described placement platform Structure, the second detent mechanism and the 3rd detent mechanism, described first detent mechanism includes cylinder and arranges simultaneously around cylinder peripheral Integrally formed round platform, one end of described cylinder is fixed on placement platform, and the other end of described cylinder is free end, described circle The surface of platform is suitable for bearing is set on cylinder to the height space of the cylinder other end, and the race diameter of described bearing and circle The surface diameter of platform is equal, and described second detent mechanism and the 3rd detent mechanism are the positioning being fixedly installed on placement platform The location hole corresponding matching of formation is processed on post, this locating dowel and box cover body；

Described bearing transfer device is suitable to bearing is transferred to placement platform and is set on the cylinder on round platform surface, described Bearing transfer device includes base, column, rotary shaft, crossbeam, cylinder, sleeve, sliding bar and elastic swelling post, and described column is solid Dingan County is contained in one end of base, and described rotary shaft is fixedly mounted on the top of column, is provided with driving rotary shaft and turns in described column Dynamic motor, one end of described crossbeam is fixedly connected on the rotary shaft, and the other end of described crossbeam is fixedly connected with cylinder, described One end of sleeve is provided with flange, is provided with shoulder hole in the sleeve inner with flange side, in the other end of described sleeve Portion is provided with energy storage hole, and described shoulder hole is all connected with the centre bore of sleeve inner with energy storage hole, and the aperture of described shoulder hole is big In the aperture of centre bore, the aperture of described centre bore is more than the aperture in energy storage hole, have flange sleeve one end pass through screw with Cylinder is fixedly connected, and the piston rod in described cylinder is arranged on corresponding ladder in the hole, and described sliding bar is arranged in center in the hole And be closely slidably matched with center bore inner wall, one end of described sliding bar is threadably secured with the piston rod in cylinder and is connected, One end of described sliding bar be free end, described sleeve the other end surface integrally formed with airway, described airway The energy storage hole that arranges with sleeve inner of one end connect, the other end of described airway is fixedly connected with elastic swelling male screw, Described elasticity swelling post is the circular cylindrical cavity of a hollow, and the internal cavities of described circular cylindrical cavity are connected with airway, lead Logical described circular cylindrical cavity, energy storage hole and portion centers in the hole are pre-charged with compressed air；

Described pressing platform includes bracing frame and is fixedly connected on work platformses above bracing frame, described pressing platform When defaulting in below transmission belt, and being suitable to press, the placement platform of setting in described transmission belt is supported；

Described pressing actuator be suitable to by the bearing being transferred on placement platform and manually place and be positioned at placement put down Box cover body on platform is pressed on work platformses, and described pressing actuator includes pedestal, support column, reduction box, shakes Arm and pressing performs device, described support column is fixedly mounted on one end of pedestal, and described reduction box is fixedly mounted on support column Top, one end of described rocking arm is rocking arm sleeve, and described rocking arm sleeve set is in the outside of support column, and described reduction box passes through Nut band motion rocker arm on matching used leading screw and leading screw moves up and down along support column, one end of described leading screw and reduction box It is fixedly connected, the nut on described leading screw is fixed on rocking arm, described pressing performs device is fixedly connected on the other end of rocking arm, The lower section of described pressing performs device is fixedly connected with combining pressing head, and described combining pressing head can be with the through hole of pressing bearing in box cover body Cooperation, and press downwards under the action of described pressing performs device.

Compared with prior art, the gasoline chassis lid assembling device that this utility model provides, transfers including transmission belt, bearing Mechanism, pressing platform and pressing actuator, transmission belt is provided with multiple placement platforms, and this placement platform is suitable to place and solid Determine box cover body and bearing, bearing transfer device is suitable to bearing and is transferred to placement platform and is set on the cylinder on round platform surface, When pressing platform is suitable to press, the placement platform of setting in described transmission belt is supported, pressing actuator is suitable to transfer Bearing on placement platform and the box cover body manually placed and be positioned on placement platform are pressed on work platformses. During concrete operations, first the placement platform in transmission belt is transported at the default pressing platform below transmission belt, exists simultaneously Under the drive of rotary shaft, the inner ring into bearing is inserted in the end of elastic swelling post, make under the synergy of cylinder and sliding bar The pressure of elastic swelling post internal cavities increases, and elastic swelling post outward expansion makes elastic swelling post tightly be connected to bearing Inner ring in, then under the drive of rotary shaft, the bearing of clamping on elastic swelling post is transferred to placement platform and is set in again On the cylinder on round platform surface, and the pressure of elastic swelling post internal cavities is made to reduce under the synergy of cylinder and sliding bar, Elastic swelling post, to contract, makes elastic swelling post come off from the inner ring of bearing；Then manually box cover body is placed into On horizontalization platform, and allow the location hole that formation is processed on box cover body to be set in locating dowel, and allow and be used for pressing in box cover body The through hole of bearing is aligned with the bearing being set on the cylinder of round platform surface；Then, under the drive of reduction box, allow and be fixed on rocking arm The pressing performs device of the other end moves down and reaches precalculated position, now under the control of pressing performs device below Combining pressing head starts to contact with box cover body, subsequently drives box cover body downwards and bearing pressing socket.Therefore, the application is being carried out During pressing assembling box cover body and bearing, workman only box cover body need to be placed on placement platform and press rotary shaft Operation button in motor, cylinder, reduction box and pressing performs device can complete pressing assembling, thus has assembling week Phase is shorter, press efficiency high and the good feature of concordance.

Further, the end surface of described elasticity swelling post is the structure caving inward.

Further, the end profile of described elasticity swelling post is additionally provided with multiple support sectors extending in a radial direction, described Support sector turns on and is suitable to during bearing transfers bearing bottom is supported with elastic swelling post internal cavities.

Further, described airway is additionally provided with the inflatable interface being suitable to be connected with extraneous gas generator.

Further, described pressing performs device is pneumatic cylinder or hydraulic cylinder.

Further, described combining pressing head is connected with the piston rod thread in pneumatic cylinder or hydraulic cylinder, and described combining pressing head includes leading Post and the pressure head being connected to guide pillar lower end, the outer surface of the pressure head in close described guide pillar side is also integrally formed with first Round platform and the second round platform, the diameter of described first round platform, the second round platform and pressure head is sequentially reduced.

Brief description

Fig. 1 is the structure schematic diagram of the gasoline chassis lid that this utility model provides.

Fig. 2 is the gasoline chassis lid assembling device structural representation that this utility model provides.

Fig. 3 is the mplifying structure schematic diagram at mark a in Fig. 2.

In figure, 1, gasoline chassis lid；11st, box cover body；12nd, bearing；2nd, transmission belt；21st, placement platform；22nd, first is fixed Position mechanism；221st, cylinder；222nd, round platform；23rd, the second detent mechanism；24th, the 3rd detent mechanism；3rd, bearing transfer device；31st, bottom Seat；32nd, column；33rd, rotary shaft；34th, crossbeam；35th, cylinder；36th, sleeve；361st, flange；362nd, shoulder hole；363rd, energy storage hole； 364th, centre bore；365th, airway；37th, sliding bar；38th, elastic swelling post；381st, support sector；4th, press platform；41st, support Frame；42nd, work platformses；5th, press actuator；51st, pedestal；52nd, support column；53rd, reduction box；54th, rocking arm；541st, rocking arm set Cylinder；55th, press performs device；56th, screw mandrel；57th, nut；58th, combining pressing head；581st, guide pillar；582nd, pressure head；583rd, the first round platform； 584th, the second round platform.

Specific embodiment

In order that technological means, creation characteristic, reached purpose and effect that this utility model is realized are easy to understand, under Face combines and is specifically illustrating, and this utility model is expanded on further.

Of the present utility model description in it is to be understood that term " longitudinal ", " radially ", " length ", " width ", " thickness Degree ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", the side of the instruction such as " outward " Position or position relationship are based on orientation shown in the drawings or position relationship, be for only for ease of description this utility model and simplification is retouched State, rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and operation, Therefore it is not intended that to restriction of the present utility model.In description of the present utility model, unless otherwise stated, " multiple " contain Justice is two or more.

In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or integratedly Connect；Can be to be mechanically connected or electrically connect；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition Concrete meaning in this utility model for the language.

Refer to shown in Fig. 1-3, this utility model provides a kind of gasoline chassis lid assembling device, described gasoline chassis lid 1 Including box cover body 11 and be pressed on bearing 12 in box cover body 11, described package system includes transmission belt 2, bearing transferring machine Structure 3, pressing platform 4 and pressing actuator 5；Wherein,

It is interval with multiple hollow out windows in described transmission belt 2, be fixedly installed placement in each described hollow out window flat Platform 21, described placement platform 21 is suitable to place and fixing box cover body 11 and bearing 12, on described placement platform 21 at least provided with First detent mechanism 22, the second detent mechanism 23 and the 3rd detent mechanism 24, described first detent mechanism 22 include cylinder 221 with And arrange and integrally formed round platform 222 around cylinder peripheral, one end of described cylinder 221 is fixed on placement platform 21, institute The other end stating cylinder 221 is free end, and the height space on the surface of described round platform 222 to cylinder 221 other end is suitable for axle Hold 12 to be set on cylinder 221, and the surface diameter of the race diameter of described bearing 12 and round platform 222 is equal, described second is fixed Position mechanism 23 and the 3rd detent mechanism 24 are the locating dowel being fixedly installed on placement platform 21, this locating dowel and box cover body The location hole corresponding matching of formation is processed, so that box cover body 11 is positioned on placement platform 21 on 11；

Described bearing transfer device 3 is suitable to bearing 12 is transferred to placement platform 21 and is set in the circle on round platform 222 surface On post 221, described bearing transfer device 3 includes base 31, column 32, rotary shaft 33, crossbeam 34, cylinder 35, sleeve 36, slides Bar 37 and elastic swelling post 38, described column 32 is fixedly mounted on one end of base 31, and described rotary shaft 33 is fixedly mounted on vertical The top of post 32, is provided with the motor driving rotary shaft 33 to rotate, one end of described crossbeam 34 is fixedly connected in described column 32 In rotary shaft 33, the other end of described crossbeam 34 is fixedly connected with cylinder 35, and one end of described sleeve 36 is provided with flange 361, The sleeve inner with flange 361 side is provided with shoulder hole 362, is provided with energy storage hole in the inside of the other end of described sleeve 36 363, described shoulder hole 362 is all connected with the centre bore 364 of sleeve inner with energy storage hole 363, and the aperture of described shoulder hole 362 More than the aperture of centre bore 364, the aperture of described centre bore 364 is more than the aperture in energy storage hole 363, has the sleeve of flange 361 One end is fixedly connected with cylinder 35 by screw, and the piston rod in described cylinder 35 is arranged in corresponding shoulder hole 362, described Sliding bar 37 is arranged in centre bore 364 and is closely slidably matched with center bore inner wall, one end of described sliding bar 37 and cylinder Interior piston rod is threadably secured connection, one end of described sliding bar 37 is free end, in the other end of described sleeve 36 Integrally formed with airway 365, the energy storage hole 363 that one end of described airway 365 is arranged with sleeve inner connects, described on surface The other end of airway 365 is screwed with elastic swelling post 38 and is connected, and described elasticity swelling post 38 is the cylinder of a hollow Shape cavity, the internal cavities of described circular cylindrical cavity are connected with airway 365, the described circular cylindrical cavity of conducting, energy storage hole and Portion centers in the hole is pre-charged with compressed air, thus by operating described cylinder 35, so that the piston rod in cylinder 35 is released and receive Return, thus can change the pressure of described circular cylindrical cavity, energy storage hole and portion centers in the hole compressed air, thus causing described Elastic swelling post 38 expands and shrinks, and then the transferring of complete matched bearings 12；

Described pressing platform 4 includes bracing frame 41 and is fixedly connected on work platformses 42 above bracing frame, described pressure When closing platform 4 to default in below transmission belt 2, and being suitable to press, the placement platform 21 of setting in described transmission belt 2 is supported, So that the stress when pressing box cover body 11 and bearing 12 is more steady；

Described pressing actuator 5 is suitable to the bearing 12 being transferred on placement platform 21 and manually places and be positioned at and put Box cover body 11 on horizontalization platform 21 is pressed on work platformses, and described pressing actuator 5 includes pedestal 51, support column 52nd, reduction box 53, Rocker arm 54 and pressing performs device 55, described support column 52 is fixedly mounted on one end of pedestal 51, described subtracts Fast case 53 is fixedly mounted on the top of support column 52, and one end of described Rocker arm 54 is rocking arm sleeve 541, described rocking arm sleeve 541 It is sleeved on the outside of support column 52, and described reduction box 53 is shaken by nut 57 band on matching used leading screw 56 and leading screw Arm 54 moves up and down along support column 52, and one end of described leading screw 56 is fixedly connected with reduction box 53, the nut on described leading screw 57 are fixed on Rocker arm 54, and described pressing performs device 55 is fixedly connected on the other end of Rocker arm 54, described pressing performs device 55 lower section is fixedly connected with combining pressing head 58, and described combining pressing head 58 can be coordinated with the through hole of pressing bearing in box cover body 11, and Press downwards under the action of described pressing performs device 55.

As specific embodiment, the end surface of described elasticity swelling post 38 is the structure caving inward, and is thus passing through Bearing 12 is transferred to when being placed on the cylinder 221 of placement platform 21 by described elasticity swelling post 38, the top of described cylinder 221 Portion will not be that bottom contacts to the end surface of elastic swelling post 38, i.e. described elasticity the caving in of swelling post 38 end surface Structure can form to the top of cylinder 221 and avoid, thus convenient elasticity swelling post 38 is in positive alignment but not in contact with to cylinder 221 When can rapid decompression shrink, be conducive to bearing 12 is placed on cylinder 221.

As specific embodiment, refer to shown in Fig. 2 and 3, described elasticity swelling post 38 end profile be additionally provided with multiple The support sector 381 extending in a radial direction, described support sector 381 turns on and is suitable to turn in bearing with elastic swelling post internal cavities During sending, bearing bottom is supported.Specifically, described support sector 381 be integrally formed on elastic swelling post 38 and with interior Portion's cavity conducting, the air pressure in described support sector 381 becomes together as well as the pressure of elastic swelling post 38 internal cavities Change, thus when described elasticity swelling post 38 stretches in bearing 12 inner ring and after tightly clamping, be arranged at described elastic swelling post Multiple support sectors 381 of 38 end profile can also form to the bottom of bearing 12 and support or bracketing, thus during transferring Be conducive to holding bearing 12.

As specific embodiment, described airway 365 is additionally provided with the inflation being suitable to be connected with extraneous gas generator and connects Mouthful, thus when the air pressure of described circular cylindrical cavity, energy storage hole and portion centers in the hole preliminary filling compressed air is unsatisfactory for requiring, can Internally it is inflated by this inflatable interface, to lift the air pressure of inner space.

As specific embodiment, described pressing performs device 55 is pneumatic cylinder or hydraulic cylinder, and described pneumatic cylinder or hydraulic pressure Cylinder has the characteristics that structure is simple and reliable operation, when being realized with it moving back and forth, can remove deceleration device from, and not biography Dynamic gap, stable movement, therefore it is used widely in the air pressure of various machineries or hydraulic system respectively.

As specific embodiment, refer to shown in Fig. 2, the piston rod spiral shell in described combining pressing head 58 and pneumatic cylinder or hydraulic cylinder Stricture of vagina connects, and thus can achieve under the drive of piston rod and moves back and forth, and described combining pressing head 58 includes guide pillar 581 and being connected to leads The pressure head 582 of post lower end, the outer surface of the pressure head 582 in close described guide pillar 581 side is also integrally formed with the first round platform 583 and second round platform 584, the diameter of described first round platform 583, the second round platform 584 and pressure head 582 is sequentially reduced, and thus works as institute State after pressure head 582 is inserted in box cover body 11 and is used for pressing above the through hole of bearing, described first round platform 583 and the second round platform 584 formation circular tables can be initially formed tight clamping fit with the planar annular in box cover body 11, with pressure head 582 continuation to Lower insertion, the outer ring with bearing 12 is fitted close by the lower section of through hole, the most at last bearing 12 be pressed together in box cover body 11 default Through hole in, whole bonding processes are steady and quick, thus effectively improve the packaging efficiency of gasoline chassis lid it is ensured that product Concordance.

Finally illustrate, above example only in order to the technical solution of the utility model to be described and unrestricted, although ginseng According to preferred embodiment, this utility model is described in detail, it will be understood by those within the art that, can be to this The technical scheme of utility model is modified or equivalent, the objective without deviating from technical solutions of the utility model and model Enclose, it all should be covered in the middle of right of the present utility model.

Claims

1. a kind of gasoline chassis lid assembling device, described gasoline chassis lid (1) includes box cover body (11) and is pressed on case lid originally Bearing (12) on body (11) is it is characterised in that described package system includes transmission belt (2), bearing transfer device (3), pressing Platform (4) and pressing actuator (5)；Wherein,

It is interval with multiple hollow out windows on described transmission belt (2), in each described hollow out window, be fixedly installed placement platform (21), described placement platform (21) is suitable to place and fixing box cover body (11) and bearing (12), on described placement platform (21) At least provided with the first detent mechanism (22), the second detent mechanism (23) and the 3rd detent mechanism (24), described first detent mechanism (22) include cylinder (221) and arrange and integrally formed round platform (222) around cylinder peripheral, the one of described cylinder (221) End is fixed on placement platform (21), and the other end of described cylinder (221) is free end, and the surface of described round platform (222) is to circle The height space of the post other end is suitable for bearing (12) is set on cylinder (221), and the race diameter of described bearing (12) and The surface diameter of round platform (222) is equal, and described second detent mechanism (23) and the 3rd detent mechanism (24) are and are fixedly installed on Locating dowel on placement platform (21), this locating dowel location hole corresponding matching that upper processing is formed with box cover body (11)；

Described bearing transfer device (3) is suitable to bearing (12) is transferred to placement platform (21) and is set in round platform (222) surface Cylinder (221) on, described bearing transfer device (3) includes base (31), column (32), rotary shaft (33), crossbeam (34), gas Cylinder (35), sleeve (36), sliding bar (37) and elastic swelling post (38), described column (32) is fixedly mounted on the one of base (31) End, described rotary shaft (33) is fixedly mounted on the top of column (32), is provided with driving rotary shaft (33) and turns in described column (32) Dynamic motor, one end of described crossbeam (34) is fixedly connected in rotary shaft (33), and the other end of described crossbeam (34) is fixing even It is connected to cylinder (35), one end of described sleeve (36) is provided with flange (361), is provided with ladder in the sleeve inner with flange side Hole (362), is provided with energy storage hole (363), described shoulder hole (362) and energy storage hole in the inside of the other end of described sleeve (36) (363) all connect with the centre bore (364) of sleeve inner, and the aperture of described shoulder hole (362) is more than the hole of centre bore (364) Footpath, the aperture of described centre bore (364) is more than the aperture in energy storage hole (363), and screw and gas are passed through in the sleeve one end with flange Cylinder (35) is fixedly connected, and the piston rod in described cylinder (35) is arranged in corresponding shoulder hole (362), described sliding bar (37) It is arranged in centre bore (364) and be closely slidably matched with center bore inner wall, one end of described sliding bar (37) and cylinder (35) Interior piston rod is threadably secured connection, and one end of described sliding bar (37) is free end, another in described sleeve (36) The energy storage hole that the surface at end is arranged with sleeve inner integrally formed with airway (365), one end of described airway (365) (363) connect, the other end of described airway (365) is screwed with elastic swelling post (38) and is connected, described elasticity swelling post (38) be a hollow circular cylindrical cavity, the internal cavities of described circular cylindrical cavity are connected with airway (365), the institute of conducting State circular cylindrical cavity, energy storage hole (363) and portion centers in the hole and be pre-charged with compressed air；

Described pressing platform (4) includes bracing frame (41) and is fixedly connected on work platformses (42) above bracing frame (41), Described pressing platform (4) defaults in below transmission belt (2), and when being suitable to press, the placement of the upper setting of described transmission belt (2) is put down Platform (21) is supported；

Described pressing actuator (5) is suitable to the bearing (12) being transferred on placement platform (21) and manually places and be positioned at Box cover body (11) on placement platform (21) is pressed on work platformses (42), and described pressing actuator (5) includes Pedestal (51), support column (52), reduction box (53), rocking arm (54) and pressing performs device (55), described support column (52) is fixing It is arranged on one end of pedestal (51), described reduction box (53) is fixedly mounted on the top of support column (52), described rocking arm (54) One end is rocking arm sleeve (541), and described rocking arm sleeve (541) is sleeved on the outside of support column (52), and described reduction box (53) Motion rocker arm (54) is carried to move up and down along support column (52) by the nut (57) on matching used leading screw (56) and leading screw, institute The one end stating leading screw (56) is fixedly connected with reduction box (53), and the nut (57) on described leading screw is fixed on rocking arm (54), institute State the other end that pressing performs device (55) is fixedly connected on rocking arm (54), the lower section of described pressing performs device (55) is fixing even It is connected to combining pressing head (58), described combining pressing head (58) upper with box cover body (11) can press the through hole cooperation of bearing (12), and in institute Press downwards under the action stating pressing performs device (55).

2. gasoline chassis lid assembling device according to claim 1 it is characterised in that described elasticity swelling post (38) end End surfaces are the structure caving inward.

3. gasoline chassis lid assembling device according to claim 1 it is characterised in that described elasticity swelling post (38) end End side surface is additionally provided with multiple support sectors (381) extending in a radial direction, and described support sector (381) is interior with elastic swelling post (38) Portion's cavity turns on and is suitable to during bearing (12) transfers, bearing bottom is supported.

4. gasoline chassis lid assembling device according to claim 1 is it is characterised in that also set on described airway (365) There is the inflatable interface being suitable to be connected with extraneous gas generator.

5. gasoline chassis lid assembling device according to claim 1 is it is characterised in that described pressing performs device (55) is Pneumatic cylinder or hydraulic cylinder.

6. gasoline chassis lid assembling device according to claim 5 is it is characterised in that described combining pressing head (58) and pneumatic cylinder Or the piston rod thread in hydraulic cylinder connects, described combining pressing head (58) includes guide pillar (581) and the pressure being connected to guide pillar lower end Head (582), the outer surface of the pressure head (582) in close described guide pillar (581) side is also integrally formed with the first round platform (583) With the second round platform (584), the diameter of described first round platform (583), the second round platform (584) and pressure head (582) is sequentially reduced.