CN101428407A - Engine camshaft signal wheel press-installation fixture - Google Patents
Engine camshaft signal wheel press-installation fixture Download PDFInfo
- Publication number
- CN101428407A CN101428407A CNA2008102197574A CN200810219757A CN101428407A CN 101428407 A CN101428407 A CN 101428407A CN A2008102197574 A CNA2008102197574 A CN A2008102197574A CN 200810219757 A CN200810219757 A CN 200810219757A CN 101428407 A CN101428407 A CN 101428407A
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- seat
- signal wheel
- camshaft
- engine camshaft
- wheel press
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- 238000009434 installation Methods 0.000 title claims description 20
- 239000000047 product Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
The invention aims to provide an engine camshaft signal wheel press mounting tooling with wide applicable range and convenient and accurate press mounting angle adjustment, which comprises an outside seat and an inside seat, wherein, a through hole is formed on the outside seat; the inside seat is mounted in the through hole; a signal wheel positioning lug boss is formed at the top of the outside seat; an interior convex step is formed at the bottom of the outside seat; circumferential scales are carved on the step; a positioning structure used for preventing the camshaft from rotating is arranged at the top of the inside seat; pointers are mounted at the bottom of the inside seat; and the outside seat is fixed with the inside seat through a fastening bolt which is mounted on the side wall of the outside seat. The engine camshaft signal wheel press mounting tooling has the advantages that the structure is small; the angle between the camshaft and the signal wheel can be adjusted visually and conveniently; no impact can be generated to the tooling when the length of the camshaft is changed; the practicability is greatly enhanced; and the single-product tooling limitation is overcome. Therefore, the engine camshaft signal wheel press mounting tooling is suitable for tooling various camshaft signal wheels in the development state.
Description
Technical field
The present invention relates to a kind of assembling jig of auto parts and components, specifically engine camshaft signal wheel press-installation fixture.
Background technology
Camshaft is vital parts on the engine, and it is directly connected to the complete machine performance.And the camshaft signal wheel is the basis of ECU data acquisition, and the data-signal of signal wheel angular transducer collection directly has influence on engine ignition and oil spout, concerns the complete machine operation level, so press-fiting of camshaft signal wheel is very important work.Belong to interference fit between signal wheel and the camshaft journal, the signal wheel will heat earlier and just can be sleeved on the camshaft journal, for guaranteeing to press-fit angle and reliability just needs special equipment will locate, heat, press-fit in turn and finish.For bulk article, this kind pressing method can satisfy the production demand, can satisfy again to press-fit quality requirement.But for the new product in the exploitation, if the angle of design angle and existing frock differs bigger, just can't use special equipment to press-fit, and can only adopt poor accuracy, craft that trouble is installed press-fits, and the development process and the development quality of new product caused adverse influence.
Summary of the invention
The objective of the invention is to propose a kind of applied widely, can adjust the engine camshaft signal wheel press-installation fixture that press-fits the angle easily and accurately.
Engine camshaft signal wheel press-installation fixture key of the present invention is to comprise the outer seat that is provided with through hole and be installed in the interior interior seat of described through hole; The top of described outer seat is provided with signal wheel positioning boss, and the bottom is provided with the step of indent, is carved with the circumference scale on the step; The top of seat is provided with and is used for limiting the location structure that camshaft rotates in described, and the bottom is equipped with pointer; Described outer seat is fixed by the fastening bolt that is installed in outer seat sidewall with interior seat.
In use, seat is good with the angle initialization of interior seat outward for the pointer of the scale of seat bottom and interior seat outside at first utilizing, tighten the fastening bolt of outer seat sidewall, interior seat is fixing with outer seat, then the signal wheel is heated on the eddy-current heating machine, treat that its size places it in outer top after suitable, utilize the signal wheel positioning boss at outer seat top to position, at last with camshaft journal registration signal wheel installing hole, and the location structure at seat top limits the camshaft rotation in utilizing, holding camshaft makes it vertical with respect to the signal wheel, knock the camshaft front end gently with rubber hammer, treat to strengthen the dynamics of knocking after camshaft journal is evenly entered about signal wheel 2mm, camshaft journal is pressed into the signal wheel.The scale and the pointer of seat and interior seat bottom outside the step of the indent of outer seat bottom can prevent to destroy when camshaft is installed.
The bottom of seat is provided with groove in described, and described pointer is that the top has the needle dial with the positioning boss of interior seat groove fit, seat bottom in described needle dial is installed in by bolt.For the angle between seat in adjusting and the outer seat, must make pointer and interior seat relative fixed, can be mutually externally seat rotate synchronously, and the positioning boss at the groove of interior seat bottom and needle dial top cooperatively interacts and can make pointer and interior seat relative fixed, seat is accurate with angle orientation outward in guaranteeing; With needle dial and interior seat design mix from form, be convenient to interior seat is assemblied in the through hole of outer seat.
The diameter of described needle dial is greater than the diameter of outer block hole, and described outer block hole and interior seat are provided with the step that cooperatively interacts.Like this in adjusting after the angle between seat and the outer seat, utilize bolt needle dial is fastened on the seat, needle dial will be stuck in the through hole, moves upward with respect to outer in can preventing; And the inner surface of outer block hole and in the step of outer surface of seat cooperatively interact can prevent in seat move downward with respect to outer seat, needle dial and step two place's structures combine fixing outer seat of the fastening bolt that can assist outer seat sidewall and interior seat, prevent to make camshaft and signal wheel install not in place because of interior seat with respect to the axially-movable of outer seat when camshaft is installed.
In described seat be used for that to limit the location structure that camshaft rotates be positioning sliding block, described in the top of seat be provided with gathering sill, described positioning sliding block is installed in the gathering sill.The signal wheel of camshaft is installed the axle journal place and is processed with positioning spline, rotating cam axle at first when the positioning cam axle, the positioning sliding block of seat snaps in the positioning spline of camshaft in making, making the angle of camshaft and signal wheel is a fixed value, because the angle between interior seat and the outer seat has been adjusted to predetermined value, camshaft just is a predetermined value with the angle of outer seat like this, and promptly the angle between camshaft and the signal wheel is adjusted to predetermined value, has realized the angle orientation between camshaft and the signal wheel.
The bottom of described gathering sill is provided with return spring, guarantees that like this installing the back positioning sliding block at camshaft gets back to initial position.
The signal wheel positioning boss at described outer seat top is distributed in three directions of outer seat top external circumference at least, can play the position-limiting action to the signal wheel like this when the signal wheel is positioned, and anti-stop signal wheel rotates and laterally slides.
Described fastening bolt is at least three, and the angle of the angle of adjacent two fastening bolts is identical.Seat is fixed on suitable angle with outer seat in can not only guaranteeing like this, shaking in can also preventing from when press-fiting the camshaft signal wheel to cause because of unbalance stress, and assurance press-fits precision.
Engine camshaft signal wheel press-installation fixture structure of the present invention is small and exquisite, angle between camshaft and the signal wheel can be adjusted intuitively and easily, when changing, camshaft length frock is not had any impact, its practicality is strengthened greatly, break the limitation of single product frock, be suitable for the press-fiting of various camshaft signals wheel of development phase.
Description of drawings
Fig. 1 is the front view of camshaft signal wheel press-installation fixture of the present invention;
Fig. 2 is the upward view of camshaft signal wheel press-installation fixture of the present invention;
Fig. 3 is the vertical view of camshaft signal wheel press-installation fixture of the present invention;
Fig. 4 is the structure cutaway view of camshaft signal wheel press-installation fixture of the present invention;
Fig. 5 is the structure cutaway view of the interior seat of camshaft signal wheel press-installation fixture of the present invention.
The specific embodiment
Describe the present invention in detail below in conjunction with specific embodiments and the drawings.
Embodiment 1:
As shown in the figure, the engine camshaft signal wheel press-installation fixture of present embodiment comprises outer seat 1 that is provided with through hole 11 and the interior seat 2 that is installed in the described through hole 11; Three directions of the top external circumference of outer seat 1 are provided with signal wheel positioning boss 9, and the bottom is provided with the step of indent, is carved with circumference scale 14 on the step; The top of seat 2 is provided with and is used for limiting positioning sliding block 3 and the gathering sill 12 that camshaft 6 rotates in described, and positioning sliding block 3 is installed in the gathering sill 12, and the bottom of gathering sill 12 is provided with return spring 10; In seat 2 bottoms be provided with groove, and utilize bolt 8 that the top is installed to have needle dial 5 with the positioning boss of interior seat groove fit; Described outer seat 1 is fixing by three fastening bolts 7 that are installed in outer seat 1 sidewall with interior seat 2, and the angle of the angle of adjacent two fastening bolts 7 is identical.
The diameter of needle dial 5 is greater than the diameter of outer block hole 11, and outer block hole 11 and interior seat 2 are provided with the step that cooperatively interacts, to limit interior seat 2 with respect to 1 axially-movable of outer seat.
In use, at first interior seat 2 is inserted in the through hole 11 of outer seat 1, then needle dial 5 is utilized bolt 8 to be installed in the bottom of interior seat 2, this moment, bolt 8 did not screw, as long as the groove of seat 2 bottoms made needle dial 5 can rotate synchronously with interior seat 2 and get final product in the positioning boss of needle dial 5 snapped in, utilize the needle dial 5 of the scale 14 of outer seat 1 bottom and interior seat will outer seat 1 good then with interior 2 angle initialization, tight a bolt 8 and the fastening bolt 7 of outer seat sidewall, interior seat 2 is fixing with outer seat 1; Then signal wheel 4 is heated on the eddy-current heating machine, treat that its size places it in outer 1 top after suitable, utilize the signal wheel positioning boss 9 at outer seat 1 top to position with spacing, at last the axle journal registration signal of camshaft 6 is taken turns installing hole, rotating cam axle 6, the keyway 13 of camshaft 6 is aimed at positioning sliding block 3, positioning sliding block 3 is snapped in the camshaft keyway 13, rotate with restriction camshaft 6, holding camshaft 6, that it is taken turns with respect to signal is 4 vertical, knock camshaft 6 front ends gently with rubber hammer, treat to strengthen the dynamics of knocking after camshaft journal is evenly entered about signal wheel 2mm, camshaft journal is pressed into signal wheel 4.
Engine camshaft signal wheel press-installation fixture structure of the present invention is small and exquisite, angle between camshaft and the signal wheel can be adjusted intuitively and easily, when changing, camshaft length frock is not had any impact, break the limitation of single 0 one product frocks, be suitable for the press-fiting of various camshaft signals wheels of development phase.
Claims (7)
1, a kind of engine camshaft signal wheel press-installation fixture is characterized in that comprising the outer seat that is provided with through hole and is installed in the interior interior seat of described through hole; The top of described outer seat is provided with signal wheel positioning boss, and the bottom is provided with the step of indent, is carved with the circumference scale on the step; The top of seat is provided with and is used for limiting the location structure that camshaft rotates in described, and the bottom is equipped with pointer; Described outer seat is fixed by the fastening bolt that is installed in outer seat sidewall with interior seat.
2, engine camshaft signal wheel press-installation fixture according to claim 1, the bottom that it is characterized in that described interior seat is provided with groove, described pointer is that the top has the needle dial with the positioning boss of interior seat groove fit, seat bottom in described needle dial is installed in by bolt.
3, engine camshaft signal wheel press-installation fixture according to claim 2 is characterized in that the diameter of the diameter of described needle dial greater than outer block hole, and described outer block hole and interior seat are provided with the step that cooperatively interacts.
4, according to claim 1 or 2 or 3 described engine camshaft signal wheel press-installation fixtures, it is characterized in that described in seat be used for that to limit the location structure that camshaft rotates be positioning sliding block, the top of seat is provided with gathering sill in described, and described positioning sliding block is installed in the gathering sill.
5, engine camshaft signal wheel press-installation fixture according to claim 4 is characterized in that the bottom of described gathering sill is provided with return spring.
6, engine camshaft signal wheel press-installation fixture according to claim 5 is characterized in that the signal wheel positioning boss at described outer seat top is distributed in three directions of outer seat top external circumference at least.
7, engine camshaft signal wheel press-installation fixture according to claim 6 is characterized in that described fastening bolt is at least three, and the angle of the angle of adjacent two fastening bolts is identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102197574A CN101428407B (en) | 2008-12-08 | 2008-12-08 | Engine camshaft signal wheel press-installation fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102197574A CN101428407B (en) | 2008-12-08 | 2008-12-08 | Engine camshaft signal wheel press-installation fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101428407A true CN101428407A (en) | 2009-05-13 |
| CN101428407B CN101428407B (en) | 2011-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102197574A Active CN101428407B (en) | 2008-12-08 | 2008-12-08 | Engine camshaft signal wheel press-installation fixture |
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| CN (1) | CN101428407B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075222A (en) * | 2012-12-30 | 2013-05-01 | 洛阳北方企业集团有限公司 | Valve timing adjusting device for engine and use method thereof |
| CN103770048A (en) * | 2013-12-17 | 2014-05-07 | 柳州瑞明威罗动力机械有限公司 | Tool for pressing signal wheel on camshaft |
| CN104209921A (en) * | 2014-08-21 | 2014-12-17 | 奇瑞汽车股份有限公司 | Signal wheel press-fitting device and signal wheel press-fitting method |
| CN106736410A (en) * | 2017-03-15 | 2017-05-31 | 杨肖潇 | A kind of admission cam shaft signal panels press-loading apparatus |
| CN110239278A (en) * | 2019-07-12 | 2019-09-17 | 泰州神舟传动科技有限公司 | A kind of Wheel Engineering wheel frontier defense water-bound fixing tool |
| CN112276510A (en) * | 2020-10-13 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Engine timing system assembly fixture |
-
2008
- 2008-12-08 CN CN2008102197574A patent/CN101428407B/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075222A (en) * | 2012-12-30 | 2013-05-01 | 洛阳北方企业集团有限公司 | Valve timing adjusting device for engine and use method thereof |
| CN103770048A (en) * | 2013-12-17 | 2014-05-07 | 柳州瑞明威罗动力机械有限公司 | Tool for pressing signal wheel on camshaft |
| CN104209921A (en) * | 2014-08-21 | 2014-12-17 | 奇瑞汽车股份有限公司 | Signal wheel press-fitting device and signal wheel press-fitting method |
| CN106736410A (en) * | 2017-03-15 | 2017-05-31 | 杨肖潇 | A kind of admission cam shaft signal panels press-loading apparatus |
| CN106736410B (en) * | 2017-03-15 | 2019-04-19 | 重庆西源凸轮轴有限公司 | A kind of admission cam shaft signal panels press-loading apparatus |
| CN110239278A (en) * | 2019-07-12 | 2019-09-17 | 泰州神舟传动科技有限公司 | A kind of Wheel Engineering wheel frontier defense water-bound fixing tool |
| CN110239278B (en) * | 2019-07-12 | 2021-09-17 | 泰州神舟传动科技有限公司 | Wheel type engineering vehicle wheel edge waterproof structure fixing tool |
| CN112276510A (en) * | 2020-10-13 | 2021-01-29 | 安徽江淮汽车集团股份有限公司 | Engine timing system assembly fixture |
| CN112276510B (en) * | 2020-10-13 | 2022-04-15 | 安徽江淮汽车集团股份有限公司 | Engine timing system assembly fixture |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101428407B (en) | 2011-02-16 |
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