CN104896047A - Intermittent motion transmission mechanism - Google Patents
Intermittent motion transmission mechanism Download PDFInfo
- Publication number
- CN104896047A CN104896047A CN201410079213.8A CN201410079213A CN104896047A CN 104896047 A CN104896047 A CN 104896047A CN 201410079213 A CN201410079213 A CN 201410079213A CN 104896047 A CN104896047 A CN 104896047A
- Authority
- CN
- China
- Prior art keywords
- rotating disc
- driving mechanism
- camshaft
- contact
- intermittent movement
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
- F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
An intermittent motion transmission mechanism comprises a rotating disc and a camshaft; a plurality of contact parts are arranged on the surface of the rotating disc in the circumferential direction, and each contact part is provided with a hemispherical portion which is exposed out of the disc surface; the camshaft is arranged on one side of the surface of the rotating disc, and comprises a spiral groove; and the bottom of the spiral groove is matched with the hemispherical portions of the contact parts to serve as curved surfaces. The good contact effect between the camshaft and the rotating disc is achieved, and the transmission process is smooth.
Description
Technical field
The present invention is relevant with drive mechanism; Refer to a kind of driving mechanism of intermittent movement especially.
Background technique
About the driving mechanism of intermittent movement, be often applied to as seen in machining machine and tool, for the disc type tool magazine of vertical machining center, the driving mechanism of its intermittent movement mainly includes rotating disc 1 and a camshaft 2 as shown in Figure 1.Wherein, this rotating disc 1 side is provided with most cutter (not shown), and the opposite side of rotating disc 1 is then locked by plural bolt 3 and has a plurality of cylindrical roller 4; This camshaft 2 has a helical and wide fin 2a, as shown in Figure 2, utilize and control this camshaft 2 near this rotating disc 1, and make this fin 2a between two adjacent cylindrical rollers 4, again in turning this camshaft 2, namely can the sidewall pushing tow cylindrical roller 4 of this fin 2a, and then reach the object promoting this rotating disc 1 and rotate.
Although, respectively this cylindrical roller 4 is to each other with spaced set, make this rotating disc 1 be able to intermittent mode stepping to rotate, only, this camshaft 2 is in rotation process, the thrust that its fin 2a acts on cylindrical roller 4 is the lateral force of this bolt 3 vertical, and this lateral force easily causes fail in shear to bolt 3 and makes bolt 3 hide risk of breakage.Secondly, because the distance respectively between this cylindrical roller 4 is fixed, and when fin 2a and cylindrical roller 4 are after long-term Structure deformation, strengthen making the clearance G between fin 2a and cylindrical roller 4 because of abrasion, this situation not only causes the rotation of this rotating disc 1 of promotion to have some setbacks, and more in the process of this rotating disc 1 rotation, has noise to produce.
Summary of the invention
Object of the present invention, for providing a kind of driving mechanism of intermittent movement, provides between camshaft and rotating disc and has good contact effect, to make transmission process smooth and easy.
For achieving the above object, the driving mechanism of intermittent movement provided by the invention comprises a rotating disc and a camshaft.The card of wherein this rotating disc is circumferentially provided with a plurality of contact, and respectively this contact has a hemisphere portion and is exposed to outside this card; This camshaft is arranged at the side of the card of this rotating disc, and this camshaft includes a spiral chute, and this spiral fluted bottom land coordinates the hemisphere portion of this contact and is curved surface.
Effect of the present invention is when this camshaft is with the hemisphere portion of the contact on its this rotating disc of spiral fluted curved face contact, and the active force that this contact bears is average, can reduce structural failure.And, between the hemisphere portion of the spiral fluted curved surface of this camshaft and the contact of this rotating disc, there is good contact effect.
Accompanying drawing explanation
Fig. 1 is the stereogram of the driving mechanism of known intermittent movement.
Fig. 2 is the plan view of Fig. 1, discloses the fin of camshaft between two adjacent column shape rollers.
Fig. 3 is the stereogram of the driving mechanism of a preferred embodiment of the present invention intermittent movement.
Fig. 4 and Fig. 5 is the plan view of the driving mechanism of the above-mentioned preferred embodiment intermittent movement of the present invention, and announcement camshaft and rotating disc rotate.
Fig. 6 is Fig. 4 roughly the same, and disclosing retainer is a top cover.
Fig. 7 is Fig. 4 roughly the same, and disclosing retainer is the stabilizing member with two arcuated fin pieces.
Primary clustering symbol description in accompanying drawing:
100 driving mechanisms, 10 rotating discs, 12 cards, 14 contacts, 14a hemisphere portion, 16 recesses, 20 camshafts, 22 rotatingshafts, 24 cams, 26 spiral chutes, 26a introduction segment, 26b derives section, 28 fins, 29 annular grooves, 30 top covers, 32 openings, 40 stabilizing members, 42 arcuated fin pieces, W1 first width, W2 second width.
Embodiment
For can the present invention be illustrated more clearly in, lifts preferred embodiment and coordinate accompanying drawing to be described in detail as follows.
Refer to shown in Fig. 3 to Fig. 5, be the driving mechanism 100 of the intermittent movement of a preferred embodiment of the present invention, this driving mechanism 100 is applied to machining machine and tool, and it includes rotating disc 10 and a camshaft 20.Wherein this rotating disc 10 is a disc-shaped bodies, and its card 12 is circumferentially provided with a plurality of equally spaced contact 14, and respectively this contact 14 has a hemisphere portion 14a and is exposed to outside this card 12.In the present embodiment, respectively this contact 14 is placed in the kenel of a spherosome in the circular arc recess 16 of the correspondence of this rotating disc 10 as good.
This camshaft 20 of this driving mechanism 100 is arranged at the top of the card 12 of this rotating disc 10, and side, position place.This camshaft 20 includes rotatingshaft 22 and a cam 24, and this rotatingshaft 22 is arranged in the mode of this rotating disc 10 card 12 parallel, and this rotatingshaft 22 orders about rotation by a power source (as motor); This cam 24 is incorporated into the intermediate portion of this rotatingshaft 22, this cam 24 is provided with a spiral chute 26, this cam 24 does not then form a spiral helicine fin 28 for the part of this spiral chute 26 process, and the bottom land of this spiral chute 26 coordinates the hemisphere portion 14a of this contact 14 and is curved surface.
As shown in figs. 4 and 5, this spiral chute 26 of the present embodiment has an introduction segment 26a and to derive section 26b with this fin 28 for battery limit (BL) divides, wherein the curved surface of the bottom land of this introduction segment 26a and this derivation section 26b is respectively the curved surface of 1/4 circle, and the most root edge of the bottom land of this introduction segment 26a and this derivation section 26b is equal to the height distance on this cam 24 surface; Again, this introduction segment 26a curved surface towards with this derivation section 26b curved surface towards being in outwardly and back to setting.Introduction segment 26a and the structure characteristic deriving section 26b of said spiral groove 26, making this camshaft 20 when rotating, successfully can be introduced in this spiral chute 26 by this contact 14, then being derived by this contact 14 pushing tow by this spiral helicine fin 28.
This driving mechanism 100 of the present embodiment is when the cam 24 of its camshaft 20 contacts and acts on the contact 14 of spherosome, because contact 14 contacts with the curved surface bottom land of the spiral chute 26 of cam 24 with the hemisphere portion 14a of its first half, and the recess 16 of the Lower Half of contact 14 and rotating disc 10 coordinates for circular arc, therefore this contact 14 is on average scattered in making from the active force of this camshaft 20, in other words, the invention solves known driving mechanism and directly bear the lateral force of camshaft and the shortcoming having fail in shear to be formed with cylindrical roller, and then improve whole service life.
Secondly, the rotating disc 10 of this driving mechanism 100 is set as maintaining static usually, and to control camshaft 20 mode that is close or that leave rotating disc 10 is.Therefore, although when respectively this contact 14 and this cam 24 to have because of long-term Structure deformation wear away situation occur time, as long as adjust the shift motion of this camshaft 20 near rotating disc 10, can be diminished clearance, and have good contact effect, to make transmission process smooth and easy between each contact 14 again guaranteeing camshaft 20 and rotating disc 10.
In addition, the cam 24 of this camshaft 20 can add an annular groove 29 again, this annular groove 29 is positioned at the bottom land of this spiral chute 26 and is all helical with this spiral chute 26 and arranges.The effect of this annular groove 29 is to impel this contact 14 more to fit perfectly the curved surface bottom land of this spiral chute 26.The contiguity effect simultaneously accumulation of ash also can being avoided to affect to each other in this place.
If when the driving mechanism of above-described embodiment 100 is applied to the disc type tool magazine of vertical machining center, will in upright ornaments, and in order to stablize and guarantee the position of respectively this contact 14, the driving mechanism of intermittent movement of the present invention can suitably install a retainer additional.Wherein, in the embodiment shown in fig. 6, this cam 24 of this camshaft 20 has one first width W 1 in the axial direction, and this retainer is a top cover 30, this top cover 30 and the card 12 of this rotating disc 10 are separated by a distance, this distance is greater than the radius of the hemisphere portion 14a of this contact 14, to make the rotation of this rotating disc 10 not interrupted; This top cover 30 separately has an opening 32, this opening 32 has the first width W 1 that one second width W 2 is not less than this cam 24, to make this opening 32 area can contain two contacts 14, so, other contacts 14 do not contacted for this cam 24 will be limited on this rotating disc 10 for this top cover 30.Another embodiment as shown in Figure 7, this retainer then includes a plurality of stabilizing member 40, respectively this stabilizing member 40 utilizes locking mode and is fixedly arranged on this rotating disc 10, and respectively there are two arcuated fin pieces 42, utilize respectively this arcuated fin piece 42 to press close to the hemisphere portion 14a surface of the contact 14 of a correspondence, the object of Restricted Contact part 14 position can be reached.
The foregoing is only the better possible embodiments of the present invention, the equivalence that application specification of the present invention and claim are done such as changes, and ought to be included in the scope of the claims of the present invention.
Claims (10)
1. a driving mechanism for intermittent movement, comprises:
One rotating disc, its card is circumferentially provided with a plurality of contact, and respectively this contact has a hemisphere portion and is exposed to outside this card; And
One camshaft, is arranged at the side of the card of this rotating disc, and this camshaft includes a spiral chute, and this spiral fluted bottom land coordinates the hemisphere portion of this contact and is curved surface.
2. the driving mechanism of intermittent movement according to claim 1, wherein, the card that this camshaft includes a rotatingshaft this rotating disc parallel is arranged.
3. the driving mechanism of intermittent movement according to claim 2, wherein, this camshaft includes a cam and is incorporated on this rotatingshaft, this spiral grooved is formed on this cam, and include an introduction segment and and derive section, the curved surface of the bottom land of this introduction segment and this derivation section is respectively the curved surface of 1/4 circle, this introduction segment curved surface towards with this derivation section curved surface towards in outwardly and back to setting.
4. the driving mechanism of intermittent movement according to claim 3, wherein, this camshaft includes an annular groove, and this annular groove is positioned at this spiral fluted bottom land and is all helical with this spiral chute and arranges.
5. the driving mechanism of intermittent movement according to claim 3, wherein, this spiral fluted introduction segment is equal to the height distance of this cam face with the most root edge of the bottom land of deriving section.
6. the driving mechanism of intermittent movement according to claim 3, wherein, includes a retainer, and this retainer is in order to be limited to those contacts on this rotating disc.
7. the driving mechanism of intermittent movement according to claim 6, wherein, this cam of this camshaft has one first width in the axial direction; This retainer comprises a top cover, the card of this top cover and this rotating disc is separated by one apart from arranging, this distance is greater than the radius of the hemisphere portion of this contact, this top cover has an opening, and this opening has the first width that one second width is not less than this cam, contain at least two contacts to make this opening area.
8. the driving mechanism of intermittent movement according to claim 6, wherein, this retainer includes a plurality of stabilizing member, and respectively this stabilizing member is fixedly arranged on this rotating disc, and respectively there are two arcuated fin pieces, respectively this arcuated fin piece presses close to the hemisphere portion surface of the contact of a correspondence.
9. the driving mechanism of intermittent movement according to claim 1, wherein, this rotating disc and this camshaft are can relative mode that is close or that leave arrange.
10. the driving mechanism of intermittent movement according to claim 1, wherein, respectively this contact is the kenel of spherosome, and this rotating disc has the recess of a plurality of circular arc for respectively this contact is wherein accommodating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079213.8A CN104896047B (en) | 2014-03-05 | 2014-03-05 | The transmission mechanism of intermittent movement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410079213.8A CN104896047B (en) | 2014-03-05 | 2014-03-05 | The transmission mechanism of intermittent movement |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104896047A true CN104896047A (en) | 2015-09-09 |
| CN104896047B CN104896047B (en) | 2017-11-10 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410079213.8A Active CN104896047B (en) | 2014-03-05 | 2014-03-05 | The transmission mechanism of intermittent movement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104896047B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181317A (en) * | 2016-08-19 | 2016-12-07 | 福建龙溪轴承(集团)股份有限公司 | A kind of oscillating bearing inner ring press-fits intermittent indexing mechanism |
| CN108791585A (en) * | 2018-06-07 | 2018-11-13 | 电子科技大学 | A kind of polygon ferris wheel type bicycle access device |
| CN109911345A (en) * | 2019-04-10 | 2019-06-21 | 山东新希望六和集团有限公司 | A kind of fresh duck excrement liquid dung separator |
| CN111364883A (en) * | 2020-03-20 | 2020-07-03 | 西安工业大学 | Intelligent rotary window |
| CN112476759A (en) * | 2020-11-17 | 2021-03-12 | 上海福集水泥制品有限公司 | Concrete compounding device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB955901A (en) * | 1962-03-19 | 1964-04-22 | Grace W R & Co | Rotary indexing device |
| US3181378A (en) * | 1963-02-04 | 1965-05-04 | Petroff Associates R | Intermittent motion mechanism |
| JPH04185951A (en) * | 1990-11-19 | 1992-07-02 | Brother Ind Ltd | Solid cam device for rotation indexing |
| US5454277A (en) * | 1992-12-24 | 1995-10-03 | Imase; Kenji | Intermittent torque transmission device |
| JPH08159233A (en) * | 1994-12-02 | 1996-06-21 | Kamo Seiko Kk | Intermittently rotating device by cam |
| CN203784221U (en) * | 2014-03-05 | 2014-08-20 | 圣杰国际股份有限公司 | Transmission mechanism performing intermittent movement |
-
2014
- 2014-03-05 CN CN201410079213.8A patent/CN104896047B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB955901A (en) * | 1962-03-19 | 1964-04-22 | Grace W R & Co | Rotary indexing device |
| US3181378A (en) * | 1963-02-04 | 1965-05-04 | Petroff Associates R | Intermittent motion mechanism |
| JPH04185951A (en) * | 1990-11-19 | 1992-07-02 | Brother Ind Ltd | Solid cam device for rotation indexing |
| US5454277A (en) * | 1992-12-24 | 1995-10-03 | Imase; Kenji | Intermittent torque transmission device |
| JPH08159233A (en) * | 1994-12-02 | 1996-06-21 | Kamo Seiko Kk | Intermittently rotating device by cam |
| CN203784221U (en) * | 2014-03-05 | 2014-08-20 | 圣杰国际股份有限公司 | Transmission mechanism performing intermittent movement |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181317A (en) * | 2016-08-19 | 2016-12-07 | 福建龙溪轴承(集团)股份有限公司 | A kind of oscillating bearing inner ring press-fits intermittent indexing mechanism |
| CN108791585A (en) * | 2018-06-07 | 2018-11-13 | 电子科技大学 | A kind of polygon ferris wheel type bicycle access device |
| CN109911345A (en) * | 2019-04-10 | 2019-06-21 | 山东新希望六和集团有限公司 | A kind of fresh duck excrement liquid dung separator |
| CN109911345B (en) * | 2019-04-10 | 2024-06-04 | 山东新希望六和集团有限公司 | Fresh duck manure water separator |
| CN111364883A (en) * | 2020-03-20 | 2020-07-03 | 西安工业大学 | Intelligent rotary window |
| CN111364883B (en) * | 2020-03-20 | 2021-11-09 | 西安工业大学 | Intelligent rotary window |
| CN112476759A (en) * | 2020-11-17 | 2021-03-12 | 上海福集水泥制品有限公司 | Concrete compounding device |
| CN112476759B (en) * | 2020-11-17 | 2022-07-05 | 东营新垦源达建材有限责任公司 | Concrete compounding device |
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| Publication number | Publication date |
|---|---|
| CN104896047B (en) | 2017-11-10 |
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