CN207710449U - A kind of automobile connecting bar hole fine-grinding and polishing device - Google Patents

Abstract

The utility model discloses a kind of automobile connecting bar hole fine-grinding and polishing devices, including plate, support upper plate, fixture, motor section, polishing portion and connecting rod in pedestal, support, plate is located at the surface of pedestal in the support, the support upper plate is located at the surface of plate in support, the fixture is assemblied on pedestal, and the connecting rod is assemblied on fixture, and the motor section is fixed on support upper plate, the polishing portion is fixed in motor section, and the polishing portion is located in pedestal and support between plate.The utility model is simple in structure, improves the production efficiency and qualification rate of tie rod holes fine-grinding and polishing, has stronger practicability.

Description

A kind of automobile connecting bar hole fine-grinding and polishing device

Technical field

The utility model is related to automobile connecting bar hole machined technical fields more particularly to a kind of automobile connecting bar hole fine-grinding and polishing to fill It sets.

Background technology

The device of piston and bent axle is connected when automobile connecting bar, effect is that the reciprocating motion of piston is changed into the rotation of bent axle Movement, and the power acted on piston is sent to bent axle with output power.Connecting rod at work, is produced except combustion chamber combustion gas is born Outside raw pressure, also subject to the inertia force of vertical and horizontal.Therefore, connecting rod works under a very complicated working condition.It I.e. by the pulling force of alternation, compression, and stress by bending.The main damage forms of connecting rod are fatigue fracture and excessive deformation.Just Because automobile connecting bar works under the working condition of this complexity, therefore for the shape of connecting rod, excessive fillet and tie rod holes Roughness have strict requirements, wherein in order to make big end hole and bearing shell and bent axle, the cooperation that small head bore and piston pin can be close, Reduce the harmful effect of impact and convenient for heat transfer.The big end hole grade of tolerance is IT6, and surface roughness Ra should be not more than 0.4 μm；Greatly The cylindricity tolerance of head bore is 0.012mm, and the small head bore grade of tolerance is IT8, and surface roughness Ra should be not more than 3.2 μm.

Conventional tie rod holes finishing is completed by boring machine, but the roughness of the processed tie rod holes of boring machine does not reach sometimes To process requirements, to this part, connecting rod is also needed to by fine grinding to reach process requirements, and at present for the refiner of tie rod holes Being accurately positioned for tool is poor, declines so as to cause the qualification rate of connecting rod, and refining efficiency is relatively low.

Utility model content

A kind of automobile connecting bar hole fine-grinding and polishing device of the utility model offer is carried with solving above-mentioned the deficiencies in the prior art The production efficiency and qualification rate of high tie rod holes fine-grinding and polishing have stronger practicability.

In order to realize the purpose of this utility model, intend using following technology：

A kind of automobile connecting bar hole fine-grinding and polishing device, including plate, support upper plate, fixture, motor section, throwing in pedestal, support Light portion and connecting rod, plate is located at the surface of pedestal in the support, and the support upper plate is located at the surface of plate in support, institute It states fixture to be assemblied on pedestal, the connecting rod is assemblied on fixture, and the motor section is fixed on support upper plate, the polishing portion It is fixed in motor section, and the polishing portion is located in pedestal and support between plate；

The base side is equipped with away bits slot, and pedestal long side is parallel on the pedestal working face is equipped with guide rail, The pedestal working face is equipped with location hole, and the pedestal working face is equipped with away two, bits cylinder；

Middle part is through there is motor movement hole on plate in the support, and plate is equipped with limit hole, the support in the support It is fixed with that B-C post is several on middle plate lower surface, the lower end of the B-C post is fixed on the working face of the pedestal；

The support upper plate is fixedly arranged in the middle of cylinder, and the lower end of the cylinder is equipped with push-pull rod, under the support upper plate It is several that surface is fixed with upper pillar stand；

The motor section includes motor, and the upper end of the motor is fixed with force bearing plate, and the two of the lower surface of the force bearing plate End is respectively and fixedly provided with gag lever post one, and the gag lever post is through in the location hole, and the lower end of the motor is equipped with rotating bar, described The lower end of rotating bar is equipped with driving gear；

The polishing portion includes lower supporting plate, and the lower supporting plate is fixed on the lower end of the gag lever post, and the lower branch Fagging is vertical with the force bearing plate, and one end of the lower supporting plate is installed with major part follower lever, the major part follower lever with it is described walk Consider one of cylinder to be worth doing with one heart, the upper end of the major part follower lever is equipped with major part driven gear, the major part driven gear with Driving gear engagement, the lower end of the major part follower lever are equipped with major part grinding wheel, and the other end of the lower supporting plate is installed with small Head follower lever, microcephaly's follower lever and walks to consider to be worth doing that cylinder is concentric described in another, the upper end of microcephaly's follower lever is equipped with microcephaly Driven gear, microcephaly's driven gear are engaged with the driving gear, and the lower end of microcephaly's driven gear is equipped with microcephaly's sand Wheel；

The fixture includes fixture base, and the fixture base is equipped with one section of guide-track groove, is equipped in the guide-track groove Upper surface one end of ambulatory splint, the fixture base is fixed with strap, and the upper end of the ambulatory splint is equipped with large size spiral shell The other end of nail, the large size screw is through at the upper end of the strap, and the lower end of the ambulatory splint is equipped with small size screw, The other end of the trumpet screw is set in the fixture base, and the side wall of the fixture base is equipped with support arm, described to hold It is vertically equipped on the other end side of the arm of force and puts forth effort bar, the other end for putting forth effort bar is equipped with screens bar, the fixture base Lower surface be equipped with kinematic nest, the kinematic nest is assemblied on the guide rail.

Further, described to walk to consider cylinder to be worth doing and be respectively positioned on described to walk to consider the surface of slot to be worth doing.

Further, the radius of the location hole is equal to the radius of the screens bar.

The advantages of above-mentioned technical proposal, is：

1, the pedestal being equipped with according to the utility model, plays fixed function, while playing limit to fixture to plate in support System movement, and facilitate abrasive dust outflow and other effects, facilitate abrasive dust to flow down wherein walking to consider to be worth doing cylinder and walking to consider slot to be worth doing, avoids abrasive dust to tie rod holes Generate secondary abrasion, increase the roughness of tie rod holes, while facilitating the collection of abrasive dust, and by location hole, can facilitate into Fixture is effectively fixed when row fine grinding, fixture is avoided to shake and reduce polishing effect；

2, plate can generate the movement of motor the effect of limit in the support being equipped with according to the utility model so that electricity Machine in the running, will not shake；

3, the support upper plate being equipped with according to the utility model, can when motor section move up and down, improve connecting rod Hole polishing efficiency；

4, the fixture being equipped with according to the utility model, can be clamped connecting rod, and transport connecting rod after clamping It moves to major part grinding wheel and microcephaly's grinding wheel in the following, finally being fixed the position of fixture using screens bar, since the position of location hole is It is fixed, it is convenient that the position of screens bar is fixed, to improve tie rod holes location efficiency；

5, the motor section being equipped with according to the utility model, can provide power for the rotation of major part grinding wheel and microcephaly's grinding wheel；

6, the polishing portion that foundation the utility model is equipped with is, it can be achieved that start the effect that two tie rod holes of a motor polish Fruit, to improve the polishing efficiency of tie rod holes；

7, the utility model is simple in structure, improves the production efficiency and qualification rate of tie rod holes fine-grinding and polishing, has stronger Practicability.

Description of the drawings

In order to keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with attached drawing to this practicality It is novel to be described in further detail.Wherein：

Fig. 1 shows the utility model overall three-dimensional structure.

Fig. 2 shows the utility model skeleton three-dimensional structure diagrams.

Fig. 3 shows the utility model fixture three-dimensional structure diagram.

Specific implementation mode

As shown in Fig. 1 ~ Fig. 3, plate 2, support upper plate in a kind of automobile connecting bar hole fine-grinding and polishing device, including pedestal 1, support 3, fixture 4, motor section 5, polishing portion 6 and connecting rod 7, plate 2 is located at the surface of pedestal 1, the support upper plate 3 in the support The surface of plate 2 in support, the fixture 4 are assemblied on pedestal 1, and the connecting rod 7 is assemblied on fixture 4, the motor Portion 5 is fixed on support upper plate 3, and the polishing portion 6 is fixed in motor section 5, and the polishing portion 6 is located at pedestal 1 and support Between middle plate 2；

1 side of the pedestal is equipped with away bits slot 10, and being equipped with for 1 long side of pedestal is parallel on 1 working face of the pedestal Guide rail 11,1 working face of the pedestal are equipped with location hole 12, and 1 working face of the pedestal is equipped with away 13 two, bits cylinder；

Middle part is through there is motor movement hole 21 on plate 2 in the support, and plate 2 is equipped with limit hole 20, institute in the support It states and is fixed with that B-C post 22 is several in support on 2 lower surface of plate, the work of the pedestal 1 is fixed in the lower end of the B-C post 22 In plane；

The support upper plate 3 is fixedly arranged in the middle of cylinder 31, and the lower end of the cylinder 31 is equipped with push-pull rod 32, in the support It is several that the lower surface of plate 3 is fixed with upper pillar stand 30；

The motor section 5 includes motor 50, and the upper end of the motor 50 is fixed with force bearing plate 51, under the force bearing plate 51 The both ends on surface are respectively and fixedly provided with gag lever post 52 1, and the gag lever post 52 is through in the location hole 12, under the motor 50 End is equipped with rotating bar 53, and the lower end of the rotating bar 53 is equipped with driving gear 54；

The polishing portion 6 includes lower supporting plate 66, and the lower supporting plate 66 is fixed on the lower end of the gag lever post 52, and institute State that lower supporting plate 66 is vertical with the force bearing plate 51, one end of the lower supporting plate 66 is installed with major part follower lever 60, the major part Follower lever 60 is walked to consider that one of cylinder 13 is concentric to be worth doing with described, and the upper end of the major part follower lever 60 is equipped with major part driven gear 61, the major part driven gear 61 is engaged with the driving gear 54, and the lower end of the major part follower lever 60 is equipped with major part grinding wheel 65, the other end of the lower supporting plate 66 is installed with microcephaly's follower lever 62, and microcephaly's follower lever 62 is walked to consider to be worth doing with described in another With one heart, the upper end of microcephaly's follower lever 62 is equipped with microcephaly's driven gear 63, microcephaly's driven gear 63 and the drive to cylinder 13 Moving gear 54 engages, and the lower end of microcephaly's driven gear 63 is equipped with microcephaly's grinding wheel 64；

The fixture 4 includes fixture base 40, and the fixture base 40 is equipped with 41 1 sections of guide-track groove, the guide-track groove 41 It is inside equipped with ambulatory splint 43, upper surface one end of the fixture base 40 is fixed with strap 42, the ambulatory splint 43 Upper end be equipped with large size screw 44, the other end of the large size screw 44 is through at the upper end of the strap 42, the activity The lower end of clamping plate 43 is equipped with small size screw 48, and the other end of the trumpet screw 48 is set in the fixture base 40, the folder The side wall for having pedestal 40 is equipped with support arm 45, is vertically equipped on the other end side of the support arm 45 and puts forth effort bar 46, described The other end for putting forth effort bar 46 is equipped with screens bar 47, and the lower surface of the fixture base 40 is equipped with kinematic nest 49, the movement Seat 49 is assemblied on the guide rail 11.

It is described to walk to consider cylinder 13 to be worth doing and be respectively positioned on described to walk to consider the surface of slot 10 to be worth doing.

The radius of the location hole 12 is equal to the radius of the screens bar 47.

When the utility model is used, connecting rod 7 is placed on fixture 4 first, and to ensure connecting rod 7 clamped by fixture 4 Position be connecting rod 7 medium position, it is to be adjusted install after, large size screw 44 and small size screw 48 are screwed respectively, finally So that connecting rod 7 is fixed on fixture 4, then fixture 4 is set to be moved to the lower section of polishing portion 6 using screens bar 47, until screens bar Until 47 lower end enters location hole 12, then start cylinder 31 so that push-pull rod 32 pushes down on motor 50 and moves downward, directly Until the lower end of polishing portion 6 is close to the upper end of connecting rod 7, then start motor 50 so that rotating bar 53 rotates, rotating bar 53 Rotation makes driving gear 54 that major part driven gear 61 and microcephaly's driven gear 63 be driven to start to rotate, and major part driven gear 61 With microcephaly's driven gear 63 during rotation, it will make major part grinding wheel 65 and microcephaly's grinding wheel 64 start to rotate, then motor 50 continue down movement start fine-grinding and polishing operation, and the iron generated when fine-grinding and polishing cut by from walk to consider to be worth doing in cylinder 13 flow into walk to consider slot to be worth doing It in 10, finally flows out from walking to consider to be worth doing in slot 10, after polishing to be ground is completed, even if being moved upwards with motor 50, then from fixture 4 On remove connecting rod 7.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, it is clear that this field Technical staff spirit and scope of the various modification and variations without departing from the utility model can be carried out to the utility model.This Sample, if these modifications and variations of the present invention belong to the claims of the present invention and its equivalent technology range it Interior, then the utility model is also intended to include these modifications and variations.

Claims (3)

1. a kind of automobile connecting bar hole fine-grinding and polishing device, which is characterized in that including pedestal（1）, plate in support（2）, support upper plate （3）, fixture（4）, motor section（5）, polishing portion（6）And connecting rod（7）, plate in the support（2）Positioned at pedestal（1）Just on Side, the support upper plate（3）The plate in support（2）Surface, the fixture（4）It is assemblied in pedestal（1）On, the connecting rod （7）It is assemblied in fixture（4）On, the motor section（5）It is fixed on support upper plate（3）On, the polishing portion（6）It is fixed on motor section （5）On, and the polishing portion（6）Positioned at pedestal（1）With plate in support（2）Between；

The pedestal（1）Side is equipped with away bits slot（10）, the pedestal（1）Pedestal is parallel on working face（1）Long side Equipped with guide rail（11）, the pedestal（1）Working face is equipped with location hole（12）, the pedestal（1）Working face is equipped with away Consider cylinder to be worth doing（13）Two；

Plate in the support（2）Upper middle part, which is run through, motor movement hole（21）, plate in the support（2）It is equipped with limit hole （20）, plate in the support（2）B-C post is fixed on lower surface（22）It is several, the B-C post（22）Lower end be fixed on institute State pedestal（1）Working face on；

The support upper plate（3）It is fixedly arranged in the middle of cylinder（31）, the cylinder（31）Lower end be equipped with push-pull rod（32）, the branch Support upper plate（3）Lower surface be fixed with upper pillar stand（30）It is several；

The motor section（5）Including motor（50）, the motor（50）Upper end be fixed with force bearing plate（51）, the force bearing plate （51）The both ends of lower surface be respectively and fixedly provided with gag lever post（52）One, the gag lever post（52）It is through at the location hole（12）In, The motor（50）Lower end be equipped with rotating bar（53）, the rotating bar（53）Lower end be equipped with driving gear（54）；

The polishing portion（6）Including lower supporting plate（66）, the lower supporting plate（66）It is fixed on the gag lever post（52）Lower end, And the lower supporting plate（66）With the force bearing plate（51）Vertically, the lower supporting plate（66）One end be installed with major part follower lever （60）, the major part follower lever（60）It walks to consider cylinder to be worth doing with described（13）One of with one heart, the major part follower lever（60）It is upper End is equipped with major part driven gear（61）, the major part driven gear（61）With the driving gear（54）Engagement, the major part Follower lever（60）Lower end be equipped with major part grinding wheel（65）, the lower supporting plate（66）The other end be installed with microcephaly's follower lever（62）, Microcephaly's follower lever（62）It walks to consider cylinder to be worth doing with described in another（13）With one heart, microcephaly's follower lever（62）Upper end be equipped with it is small Head driven gear（63）, microcephaly's driven gear（63）With the driving gear（54）Engagement, microcephaly's driven gear （63）Lower end be equipped with microcephaly's grinding wheel（64）；

The fixture（4）Including fixture base（40）, the fixture base（40）It is equipped with guide-track groove（41）One section, the guide rail Slot（41）Inside it is equipped with ambulatory splint（43）, the fixture base（40）Upper surface one end be fixed with strap（42）, institute State ambulatory splint（43）Upper end be equipped with large size screw（44）, the large size screw（44）The other end be through at the strap （42）Upper end, the ambulatory splint（43）Lower end be equipped with small size screw（48）, the trumpet screw（48）The other end set In the fixture base（40）On, the fixture base（40）Side wall be equipped with support arm（45）, the support arm（45）'s It is vertically equipped on other end side and puts forth effort bar（46）, described to put forth effort bar（46）The other end be equipped with screens bar（47）, the folder Has pedestal（40）Lower surface be equipped with kinematic nest（49）, the kinematic nest（49）It is assemblied in the guide rail（11）On.

2. automobile connecting bar hole fine-grinding and polishing device according to claim 1, which is characterized in that described to walk to consider cylinder to be worth doing（13）Equal position It walks to consider slot to be worth doing in described（10）Surface.

3. automobile connecting bar hole fine-grinding and polishing device according to claim 1, which is characterized in that the location hole（12）Half Diameter is equal to the screens bar（47）Radius.