CN206230220U - A kind of monoblock type assembling die for press-fiting bent axle and gear - Google Patents
A kind of monoblock type assembling die for press-fiting bent axle and gear Download PDFInfo
- Publication number
- CN206230220U CN206230220U CN201621301510.3U CN201621301510U CN206230220U CN 206230220 U CN206230220 U CN 206230220U CN 201621301510 U CN201621301510 U CN 201621301510U CN 206230220 U CN206230220 U CN 206230220U
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- Prior art keywords
- push rod
- bent axle
- gear
- positioning
- press
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- Expired - Fee Related
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- 230000000694 effects Effects 0.000 claims abstract description 8
- 230000001939 inductive effect Effects 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000003754 machining Methods 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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Abstract
The utility model belongs to Crankshaft Machining technical field of mold, refers in particular to a kind of monoblock type assembling die for press-fiting bent axle and gear.Including lower template and upper die plate, the lower end of upper die plate is provided with pressure head；Gear positioning sleeve is provided with lower template, gear positioning sleeve middle part offers lower Positioning holes, the lower thimble of axially position bent axle is movably set with lower Positioning holes；The guide locating device provided of radial positioning bent axle is movably set with lower template, bent axle side is provided with push rod device, and push rod device includes the push rod that activity is set, and the push rod can be located on bent axle；The lower end of upper die plate is provided with some briquettings, and when push rod is located on bent axle, the briquetting pushes push rod and band dynamic crankshaft is moved downward.Pressure of the present utility model acts on the crank surface of bent axle, its uniform force by push rod, it is not easy to cause the deformation of bent axle；Secondly, the utility model will not cause crankshaft surface to scratch using the centre bore positioning of lower thimble and bent axle.
Description
Technical field
The utility model belongs to Crankshaft Machining technical field of mold, refers in particular to a kind of monoblock type for press-fiting bent axle and gear
Assembling die.
Background technology
Bent axle is most important part in engine, and it bears the power that connecting rod is transmitted, and is transformed into torque by song
Axle is exported and drives other annexes on engine to work.Bent axle is subject to centrifugal force, the gas inertia of mechanical periodicity of gyrating mass
The collective effect of power and reciprocal inertia force, makes bent axle bear very big flexion torsion load.Therefore, the required precision of bent axle compared with
It is high.
At present, need that gear is installed on bent axle, this is all completed by particular manufacturing craft, and existing mould exists following
Shortcoming：
1st, mould is typically applied to the end face of lower crank, due to bent axle inner hollow, is easily caused the change of its crank surface
Shape.
2nd, will generally go crank to be positioned in the die cavity of mould, be easily caused crank surface tear, damage, mould is put into addition
Transluminal operation is cumbersome, very inconvenient.
3rd, after bent axle is put into die cavity, due to coordinating with die clearance, easily incline, positioning precision is inaccurate, gear angle
Degree easily pressure is inclined, causes product rejection, influences production efficiency.
The content of the invention
The purpose of this utility model is to provide a kind of simple structure, is not easy to scratch crankshaft surface, energy improve production efficiency
With the monoblock type assembling die of qualification rate, it is used to press-fit bent axle and gear.
What the purpose of this utility model was realized in：
A kind of monoblock type assembling die for press-fiting bent axle and gear, including lower template, are installed with pressing mold in lower template
Guide pillar, is movably set with upper die plate on pressing mold guide pillar, the lower end of upper die plate is provided with the pressure head for press-fiting gear, and pressure head middle part sets
It is equipped with upper Positioning holes；The gear positioning sleeve of positioning lower gear is provided with the lower template, gear positioning sleeve middle part offers down
Location hole, is movably set with the lower thimble of axially position bent axle in lower Positioning holes；It is radially fixed to be movably set with the lower template
Position bent axle it is guide locating device provided, the bent axle side is provided with push rod device, and push rod device includes the push rod that activity is set, institute
Stating push rod can be located on bent axle；The lower end of the upper die plate is provided with some briquettings, described when push rod is located on bent axle
Briquetting pushes push rod and band dynamic crankshaft is moved downward.
Preferably, the push rod device includes push rod sliding block and push rod guide pillar, and the push rod guide pillar is installed in lower template,
Push rod sliding block is movably arranged on push rod guide pillar by resetting means, and the push rod is movably arranged on pusher slide by push rod cylinder
On block.
Preferably, the upper die plate top is provided with coupling sleeve, and one end of the coupling sleeve is provided with hydraulic cylinder.
Preferably, the guide locating device provided guiding traveller including being movably arranged in lower template, the guiding traveller
Upper end is provided with the positioning component of positioning bent axle, and the guiding traveller lower end is provided with guide-localization cylinder.
Preferably, the guide-localization cylinder is additionally arranged at the afterbody of lower thimble, and drives lower thimble and positioning group simultaneously
Part moves up and down.
Preferably, inductive switch one and inductive switch two are provided between the lower template and upper die plate.
The utility model is prominent and beneficial compared to existing technology to be had the technical effect that：
1st, pressure of the present utility model acts on the crank surface of bent axle, its uniform force, it is not easy to cause by push rod
The deformation of bent axle.
2nd, the utility model will not cause crankshaft surface to scratch using the centre bore positioning of lower thimble and bent axle.
3rd, the utility model press-fits bent axle and two gears using monoblock type, and it has assembling simple, and product percent of pass is high,
The features such as high working efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of push rod device of the present utility model.
In figure：1- hydraulic cylinders；2- coupling sleeves；3- upper die plates；4- pressure heads；5- gears；6- bent axles；7- inductive switches one；
8- pressing mold guide pillars；9- is oriented to traveller；10- inductive switches two；Thimble under 11-；12- lower gears；13- gear positioning sleeves；Mould under 14-
Plate；15- guide-localization cylinders；16- briquettings；17- push rod cylinders；18- push rods；19- push rod sliding blocks；20- push rod guide pillars.
Specific embodiment
The utility model is further described with specific embodiment below in conjunction with the accompanying drawings, referring to Fig. 1-2：
A kind of monoblock type assembling die for press-fiting bent axle and gear, including lower template 14, are installed with lower template 14
Four pressing mold guide pillars 8, are movably set with upper die plate 3 on pressing mold guide pillar 8, the lower end of upper die plate 3 is provided with the pressure for press-fiting gear 5
First 4, the middle part of pressure head 4 is provided with the upper Positioning holes being adapted to bent axle upper end picture, and the location hole is used to position the upper master of bent axle 6
Shaft end.The gear positioning sleeve 13 of positioning lower gear 12 is provided with the lower template 14, the middle part of gear positioning sleeve 13 offers
Lower Positioning holes.Lower template 14 and gear positioning sleeve 13 are wholely set, and the lower Positioning holes run through the lower template 14；Or it is described
Gear positioning sleeve 13 is arranged on the mounting hole of lower template 14, and the lower Positioning holes connect setting with mounting hole.In lower Positioning holes
Be movably set with the lower thimble 11 of axially position bent axle 6, lower thimble 11 through being arranged in lower template 14, the lower thimble 11 with
The centre bore positioning of bent axle 6, the contact area with bent axle 6 is small, it is not easy to damage the working surface of bent axle 6.The lower template 14
On be movably set with the guide locating device provided of radial positioning bent axle 6, the side of the bent axle 6 is provided with push rod device, push rod device
Including the push rod 18 that activity is set, the push rod 18 can be located on bent axle 6, i.e., described push rod 18 is movable to be arranged on bent axle 6
Two cranks between.The lower end of the upper die plate 3 is provided with some briquettings 16, when push rod 18 is located on bent axle 6, the pressure
Block 16 pushes push rod 18 and band dynamic crankshaft 6 is moved downward.
Preferably, the push rod device includes push rod sliding block 19 and push rod guide pillar 20, and the push rod guide pillar 20 is installed in down
In template 14, push rod sliding block 19 is movably arranged on push rod guide pillar 20 by resetting means, and resetting means of the present utility model is
The back-moving spring on push rod guide pillar 20 is set in, back-moving spring one end is connected in lower template 14, the other end is connected to pusher slide
On block 19.The push rod 18 is movably arranged on push rod sliding block 19 by push rod cylinder 17.The push rod cylinder 17 can be installed in
The left part of push rod sliding block 19, directly drives push rod 18；Or, the push rod cylinder 17 can be installed in the rear end of push rod sliding block 19
Portion, by connecting plate driving push rod 18.When upper die plate 3 glides, briquetting 16 pushes push rod 18 and band dynamic crankshaft 6 is moved downward, complete
Into press-fiting for bent axle 6 and two gears；When upper die plate 3 rises, push rod 18 resets in the presence of back-moving spring.
Preferably, coupling sleeve 2 is provided with the upper die plate 3, one end of the coupling sleeve 2 is provided with hydraulic cylinder 1, hydraulic pressure
Cylinder 1 drives upper die plate 3 to move, and realizes that bent axle 6 and gear 5, lower gear 12 press-fit.
Preferably, the guide locating device provided guiding traveller 9 including being movably arranged in lower template 14, described guiding is slided
The upper end of post 9 is provided with the positioning component of positioning bent axle 6, and positioning component can be the crank-pin of the crank-pin of radial positioning bent axle 6
Positioning sleeve, is provided with the semicircle locating slot being adapted with crank-pin shape on crank-pin positioning sleeve.When push rod 18 is located in song
When between two cranks of axle 6, radially fixed bent axle 6 can be coordinated with locating slot, prevent the setting angle deviation of bent axle 6 and influence tooth
Wheel press-fits qualification rate with bent axle 6.Or the crank positioning sleeve of the crank of positioning bent axle 6, it is fixed to be provided with crank positioning sleeve
Position pin.Guiding traveller 9 lower end is provided with guide-localization cylinder 15, and the guide-localization cylinder 15 is arranged on lower template 14
Lower section.
Preferably, the guide-localization cylinder 15 is additionally arranged at the afterbody of lower thimble 11, and the guide-localization cylinder 15 is same
When drive lower thimble 11, positioning component and bent axle 6 to move up and down.
Preferably, the lower end of the upper die plate 3 is provided with some briquettings 16, and the quantity of briquetting 16 is the two of the quantity of push rod 18
Times, i.e., one two briquettings 16 of correspondence of push rod 18, two four briquettings 16 of correspondence of push rod 18.When push rod 18 is arranged on bent axle 6
When, the briquetting 16 can be pressed on the two ends of push rod 18, drive push rod 18 to push the crank surface of bent axle 6, complete bent axle 6 and tooth
That takes turns press-fits.The pressure of the utility model hydraulic cylinder 1 acts on the crank surface of bent axle 6 by push rod 18, its uniform force, no
It is easily caused the deformation of bent axle 6.
Preferably, inductive switch 1 and inductive switch 2 10 are provided between the lower template 14 and upper die plate 3.When upper
When template 3 drops to certain position, inductive switch 1 is opened, and the driving push rod 18 of push rod cylinder 17 stretches into bent axle 8 and starts work
Make；When upper die plate 3 drops to certain position again, bent axle 6 is finished with press-fiting for two gears, and inductive switch 2 10 is opened, push rod
The driving push rod 18 of cylinder 17 exits bent axle 8, while the counter motion of driving hydraulic cylinder 1, returns to original position.
Operation instruction：
1st, the utility model is installed on hydraulic press.
2nd, lower gear (timing gears) is put into gear positioning sleeve, it is then that crankshaft installed is fixed in lower thimble and guiding
On the device of position, then gear (governor gear) is placed on crank on main shaft.
3rd, hydraulic press starts, hydraulic cylinder works, promotes upper die plate to be glided along guide pillar, is snapped down to when at inductive switch one,
Push rod cylinder and guide-localization cylinder are opened, and two briquettings are pressed in push rod two ends, and push rod is pressed on the crank of bent axle and with top
Pin glides.
4th, when gear, lower gear pressing in place, i.e. the position of upper die plate taxiway inductive switch two, push rod cylinder drives and pushes away
Bar is return, and hydraulic cylinder returns to home position, and work is completed.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (6)
1. a kind of monoblock type assembling die for press-fiting bent axle and gear, it is characterised in that：Including lower template (14), lower template
(14) pressing mold guide pillar (8) is installed with, upper die plate (3) is movably set with pressing mold guide pillar (8), the lower end of upper die plate (3) is set
There is the pressure head (4) for press-fiting gear (5), pressure head (4) middle part is provided with upper Positioning holes；Positioning is provided with the lower template (14)
The gear positioning sleeve (13) of lower gear (12), gear positioning sleeve (13) middle part offers lower Positioning holes, and activity sets in lower Positioning holes
It is equipped with the lower thimble (11) of axially position bent axle (6)；Leading for radial positioning bent axle (6) is movably set with the lower template (14)
To positioner, bent axle (6) side is provided with push rod device, and push rod device includes the push rod (18) that activity is set, described
Push rod (18) can be located on bent axle (6)；The lower end of the upper die plate (3) is provided with some briquettings (16), when push rod (18) is worn
It is located at when on bent axle (6), the briquetting (16) pushes push rod (18) and band dynamic crankshaft (6) is moved downward.
2. the monoblock type assembling die for press-fiting bent axle and gear according to claim 1, it is characterised in that：It is described to push away
Lever apparatus includes push rod sliding block (19) and push rod guide pillar (19), and the push rod guide pillar (19) is installed in lower template (14), push rod
Sliding block (19) is movably arranged on push rod guide pillar (19) by resetting means, and the push rod (18) is by push rod cylinder (17) activity
It is arranged on push rod sliding block (19).
3. the monoblock type assembling die for press-fiting bent axle and gear according to claim 1 and 2, it is characterised in that：Institute
State upper die plate (3) top and be provided with coupling sleeve (2), one end of the coupling sleeve (2) is provided with hydraulic cylinder (1).
4. the monoblock type assembling die for press-fiting bent axle and gear according to claim 1 and 2, it is characterised in that：Institute
The guide locating device provided guiding traveller (9) including being movably arranged in lower template (14) is stated, described guiding traveller (9) upper end is set
There is the positioning component of positioning bent axle (6), guiding traveller (9) lower end is provided with guide-localization cylinder (15).
5. the monoblock type assembling die for press-fiting bent axle and gear according to claim 4, it is characterised in that：It is described to lead
The afterbody of lower thimble (11) is additionally arranged to positioning cylinder (15), and drives lower thimble (11) and positioning component to transport up and down simultaneously
It is dynamic.
6. the monoblock type assembling die for press-fiting bent axle and gear according to claim 5, it is characterised in that：Under described
Inductive switch one (7) and inductive switch two (10) are provided between template (14) and upper die plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301510.3U CN206230220U (en) | 2016-11-30 | 2016-11-30 | A kind of monoblock type assembling die for press-fiting bent axle and gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621301510.3U CN206230220U (en) | 2016-11-30 | 2016-11-30 | A kind of monoblock type assembling die for press-fiting bent axle and gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206230220U true CN206230220U (en) | 2017-06-09 |
Family
ID=58981173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621301510.3U Expired - Fee Related CN206230220U (en) | 2016-11-30 | 2016-11-30 | A kind of monoblock type assembling die for press-fiting bent axle and gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206230220U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822504A (en) * | 2019-04-03 | 2019-05-31 | 江苏罡阳股份有限公司 | Crankshaft assembly press fit helical gear device |
| CN112207543A (en) * | 2020-09-29 | 2021-01-12 | 河北冰虫环保科技有限公司 | Hardware compression fittings with quick fixture |
-
2016
- 2016-11-30 CN CN201621301510.3U patent/CN206230220U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109822504A (en) * | 2019-04-03 | 2019-05-31 | 江苏罡阳股份有限公司 | Crankshaft assembly press fit helical gear device |
| CN112207543A (en) * | 2020-09-29 | 2021-01-12 | 河北冰虫环保科技有限公司 | Hardware compression fittings with quick fixture |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170609 Termination date: 20181130 |