CN104896047B - The transmission mechanism of intermittent movement - Google Patents
The transmission mechanism of intermittent movement Download PDFInfo
- Publication number
- CN104896047B CN104896047B CN201410079213.8A CN201410079213A CN104896047B CN 104896047 B CN104896047 B CN 104896047B CN 201410079213 A CN201410079213 A CN 201410079213A CN 104896047 B CN104896047 B CN 104896047B
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- CN
- China
- Prior art keywords
- rotating disk
- transmission mechanism
- camshaft
- contact
- intermittent movement
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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
-
- 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
A kind of transmission mechanism of intermittent movement, includes a rotating disk and a camshaft.A plurality of contacts are wherein circumferentially provided with the card of the rotating disk, respectively there is the contact hemisphere portion to be exposed to outside the card；The camshaft is arranged at the side of the card of the rotating disk, and the camshaft includes a helicla flute, and the bottom land of the helicla flute coordinates the hemisphere portion of the contact and is curved surface.Being there is provided with this has good contact effect between camshaft and rotating disk, so that transmission process is smooth.
Description
Technical field
The present invention is relevant with drive mechanism；Particularly relate to a kind of transmission mechanism of intermittent movement.
Background technology
Transmission mechanism about intermittent movement, it is often visible to be applied in machining machine and tool, with the circle of vertical machining center
Exemplified by disc tool magazine, the transmission mechanism of its intermittent movement mainly includes a rotating disk 1 as shown in Figure 1 and a camshaft 2.Its
In, the side of rotating disk 1 is provided with most cutters（Do not show in figure）, the opposite side of rotating disk 1 is then had by the locking of plural bolt 3 answers
Several cylindrical rollers 4；The camshaft 2 has a helical form and wide fin 2a, as shown in Fig. 2 using controlling the cam
Axle 2 makes fin 2a between two adjacent cylindrical rollers 4 close to the rotating disk 1, then at turning the camshaft 2,
Can fin 2a a side wall pushing tow cylindrical roller 4, and then reach promote the rotating disk 1 rotate purpose.
Although respectively the cylindrical roller 4 is to each other with spaced set so that the rotating disk 1 is able to intermittent mode and walked
Enter to rotate, only, for the camshaft 2 in rotation process, the thrust that its fin 2a acts on cylindrical roller 4 is the vertical bolt 3
Side force, the side force easily causes fail in shear to bolt 3 and bolt 3 is hidden risk of breakage.Secondly as each circle
The distance between cylindricality roller 4 is fixed, and after fin 2a and cylindrical roller 4 are in long-term be in rolling contact, it will make because of abrasion
The clearance G obtained between fin 2a and cylindrical roller 4 is increased, and the situation not only causes to promote the rotating disk 1 rotation to have some setbacks, more
There is noise generation during the rotating disk 1 rotates.
The content of the invention
The purpose of the present invention is used to provide a kind of transmission mechanism of intermittent movement, there is provided has between camshaft and rotating disk
Good contact effect, so that transmission process is smooth.
To achieve the above object, the transmission mechanism of intermittent movement provided by the invention includes a rotating disk and a camshaft.
A plurality of contacts are wherein circumferentially provided with the card of the rotating disk, respectively the contact has a hemisphere portion naked
It is exposed to outside the card；The camshaft is arranged at the side of the card of the rotating disk, and the camshaft includes a helicla flute, the spiral
The bottom land of groove coordinates the hemisphere portion of the contact and is curved surface.
Effect of the invention is that when the camshaft is with half of the contact in the curved face contact of its helicla flute rotating disk
During spherical portion, the active force that the contact is born is averaged, and can reduce structural failure.And the curved surface of the helicla flute of the camshaft with
There is good contact effect between the hemisphere portion of the contact of the rotating disk.
Brief description of the drawings
Fig. 1 is the stereogram of the transmission mechanism of known intermittent movement.
Fig. 2 is Fig. 1 front view, discloses the fin of camshaft between two adjacent column shape rollers.
Fig. 3 is the stereogram of the transmission mechanism of a preferred embodiment of the present invention intermittent movement.
Fig. 4 and Fig. 5 are the front views of the transmission mechanism of the above-mentioned preferred embodiment intermittent movement of the present invention, disclose camshaft with
Rotating disk rotates.
The similar Fig. 4 of Fig. 6, announcement retainer are a top cover.
The similar Fig. 4 of Fig. 7, announcement retainer are the stabilizing member with two arcuated fin pieces.
Primary clustering symbol description in accompanying drawing：
100 transmission mechanisms, 10 rotating disks, 12 cards, 14 contacts, 14a hemisphere portions, 16 recesses, 20 camshafts, 22 turns
Moving axis, 24 cams, 26 helicla flutes, 26a introduction segments, 26b export sections, 28 fins, 29 annular grooves, 30 top covers, 32 openings, 40 stabilizations
Part, 42 arcuated fin pieces, the width of W1 first, the width of W2 second.
Embodiment
For the present invention can be illustrated more clearly that, lifts preferred embodiment and coordinate accompanying drawing to describe in detail as after.
Refer to shown in Fig. 3 to Fig. 5, for the transmission mechanism 100 of the intermittent movement of a preferred embodiment of the present invention, the transmission
Mechanism 100 is applied to machining machine and tool, and it includes a rotating disk 10 and a camshaft 20.Wherein the rotating disk 10 is a disc
Body, a plurality of contacts 14 at equal intervals are circumferentially provided with its card 12, respectively the contact 14 has a hemisphere
Shape portion 14a is exposed to outside the card 12.In the present embodiment, respectively the contact 14 is placed in the rotation with the kenel of a spherosome
It is preferred in the corresponding circular arc recess 16 of disk 10.
The camshaft 20 of the transmission mechanism 100 is arranged at the top of the card 12 of the rotating disk 10, and side at position.Should
Camshaft 20 includes a rotary shaft 22 and a cam 24, and the rotary shaft 22 is set in a manner of the parallel card 12 of rotating disk 10
Put, the rotary shaft 22 is by a power source（Such as motor）Drive rotation；The cam 24 is incorporated into the middle part of the rotary shaft 22, should
It is provided with a helicla flute 26 on cam 24, and then to form one spiral helicine convex for the part that the cam 24 does not pass through for the helicla flute 26
Rib 28, the bottom land of the helicla flute 26 coordinate the hemisphere portion 14a of the contact 14 and are curved surface.
As shown in figs. 4 and 5, the helicla flute 26 of the present embodiment with the fin 28 be battery limit (BL) point have an introduction segment 26a with
The curved surface of one export section 26b, wherein introduction segment 26a and export section 26b bottom land is respectively the curved surface of 1/4 circle, and the importing
Section 26a is equal with height distance of the export section 26b bottom land most root edge to the surface of cam 24；Also, introduction segment 26a curved surfaces
Towards with the export section 26b curved surfaces towards being in outwardly and back to setting.The introduction segment 26a of said spiral groove 26 and export
Section 26b architectural feature so that the contact 14 successfully can be introduced into the helicla flute 26 by the camshaft 20 when rotating,
The pushing tow of contact 14 is exported by the spiral helicine fin 28 again.
The transmission mechanism 100 of the present embodiment contacts in the cam 24 of its camshaft 20 and acts on the contact of spherosome
When 14, because contact 14 is to be contacted with the hemisphere portion 14a of its first half with the curved surface bottom land of the helicla flute 26 of cam 24, and connect
The lower half of contact element 14 coordinates with the recess 16 of rotating disk 10 for circular arc, therefore the active force from the camshaft 20 will be caused to put down
Monodispersed is in the contact 14, and in other words, the present invention solves known transmission mechanism and directly bears camshaft with cylindrical roller
Side force and have the shortcomings that fail in shear formation, and then improve whole service life.
Secondly, the rotating disk 10 of the transmission mechanism 100 is typically set at fixed, and to control camshaft 20 close or
Leave the mode of rotating disk 10.Therefore, although when each contact 14 and the cam 24 have because of long-term be in rolling contact
When wearing away situation generation, as long as adjusting shift motion of the camshaft 20 close to rotating disk 10, you can diminish clearance, and true again
Protecting between camshaft 20 and each contact 14 of rotating disk 10 has good contact effect, so that transmission process is smooth.
In addition, can add an annular groove 29 on the cam 24 of the camshaft 20 again, the annular groove 29 is located at the groove of the helicla flute 26
Bottom and with the helicla flute 26 be all helical form set.The effect of the annular groove 29 is to promote the contact 14 can more fit perfectly the spiral
The curved surface bottom land of groove 26.Accumulation of ash can be also avoided to influence contiguity effect to each other at this simultaneously.
If will be in upright during disc type tool magazine of the transmission mechanism 100 of above-described embodiment applied to vertical machining center
Ornaments, and for stabilization and ensure the position of the respectively contact 14, the transmission mechanism of intermittent movement of the invention can be installed additional suitably
One retainer.Wherein, in the embodiment shown in fig. 6, the cam 24 of the camshaft 20 has one first width in the axial direction
W1, and the retainer is a top cover 30, the top cover 30 and the card 12 of the rotating disk 10 are spaced a distance, and the distance connects more than this
The hemisphere portion 14a of contact element 14 radius, so that the rotation of the rotating disk 10 is unobstructed；The top cover 30 separately has an opening
32, the opening 32 has the first width W1 that one second width W2 is not less than the cam 24, so that the area of opening 32 can be covered
Two contacts 14, in this way, will not be that the top cover 30 is limited to the rotating disk for other contacts 14 that the cam 24 is contacted
On 10.Another embodiment as shown in Figure 7, the retainer then include a plurality of stabilizing members 40, and respectively the stabilizing member 40 utilizes locking
Mode and be fixedly arranged in the rotating disk 10, and respectively there are two arcuated fin pieces 42, pressed close to using the respectively arcuated fin piece 42 corresponding to one
The hemisphere portion 14a surfaces of contact 14, you can reach the purpose of limitation contact 14 position.
Preferably possible embodiments of the invention are the foregoing is only, using description of the invention and apply for a patent model such as
Equivalence changes carried out by enclosing, it ought to be included in the scope of the claims of the present invention.
Claims (10)
1. a kind of transmission mechanism of intermittent movement, comprising：
One rotating disk, multiple contacts are circumferentially provided with its card, respectively the contact has a hemisphere portion naked
It is exposed to outside the card；And
One camshaft, the side of the card of the rotating disk is arranged at, the camshaft includes a helicla flute, the bottom land of the helicla flute
Coordinate the hemisphere portion of the contact and be curved surface；
Wherein, the transmission mechanism of the intermittent movement includes a retainer, and the retainer by those contacts being limited to this
In rotating disk；
Wherein, the cam of the camshaft has one first width in the axial direction；The retainer includes a top cover, and the top cover is with being somebody's turn to do
The spaced a distance setting of card of rotating disk, the distance are more than the radius of the hemisphere portion of the contact, and the top cover has one to open
Mouthful, and the opening has one second width, second width is not less than the first width of the cam, so that the aperture area is covered
At least two contacts.
2. the transmission mechanism of intermittent movement according to claim 1, wherein, the camshaft includes that a rotary shaft is parallel should
The card of rotating disk is set.
3. the transmission mechanism of intermittent movement according to claim 2, wherein, the camshaft includes a cam and is incorporated into this
In rotary shaft, the helicla flute is formed on the cam, and includes an introduction segment and an export section, the introduction segment and the export section
Bottom land curved surface respectively for 1/4 circle curved surface, the introduction segment curved surface towards with the export section curved surface towards in outwardly and carry on the back
To setting.
4. the transmission mechanism of intermittent movement according to claim 3, wherein, the introduction segment and the groove of export section of the helicla flute
The height distance of bottom most root edge to the cam face is equal.
5. the transmission mechanism of intermittent movement according to claim 1, wherein, respectively the contact is the kenel of spherosome, should
Rotating disk has the recess of multiple circular arcs accommodating wherein for the respectively contact.
6. a kind of transmission mechanism of intermittent movement, comprising：
One rotating disk, multiple contacts are circumferentially provided with its card, respectively the contact has a hemisphere portion naked
It is exposed to outside the card；And
One camshaft, the side of the card of the rotating disk is arranged at, the camshaft includes a helicla flute, the bottom land of the helicla flute
Coordinate the hemisphere portion of the contact and be curved surface；
Wherein, the camshaft includes an annular groove, and the annular groove is located at the bottom land of the helicla flute and is all helical form with the helicla flute
Set.
7. the transmission mechanism of intermittent movement according to claim 6, wherein, the camshaft includes that a rotary shaft is parallel should
The card of rotating disk is set.
8. the transmission mechanism of intermittent movement according to claim 7, wherein, the camshaft includes a cam and is incorporated into this
In rotary shaft, the helicla flute is formed on the cam, and includes an introduction segment and an export section, the introduction segment and the export section
Bottom land curved surface respectively for 1/4 circle curved surface, the introduction segment curved surface towards with the export section curved surface towards in outwardly and carry on the back
To setting.
9. the transmission mechanism of intermittent movement according to claim 8, wherein, the introduction segment and the groove of export section of the helicla flute
The height distance of bottom most root edge to the cam face is equal.
10. the transmission mechanism of intermittent movement according to claim 6, wherein, respectively the contact is the kenel of spherosome, should
Rotating disk has the recess of multiple circular arcs accommodating wherein for the respectively contact.
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 CN104896047A (en) | 2015-09-09 |
| CN104896047B true CN104896047B (en) | 2017-11-10 |
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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 |
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| Country | Link |
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| CN (1) | CN104896047B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106181317B (en) * | 2016-08-19 | 2018-01-02 | 福建龙溪轴承(集团)股份有限公司 | A kind of oscillating bearing inner ring is pressed 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 |
| 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 |
| CN111364883B (en) * | 2020-03-20 | 2021-11-09 | 西安工业大学 | Intelligent rotary window |
| 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 |
Family Cites Families (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 |
| JP2833947B2 (en) * | 1992-12-24 | 1998-12-09 | 加茂精工株式会社 | Intermittent rotating device by cam |
| 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 |
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2014
- 2014-03-05 CN CN201410079213.8A patent/CN104896047B/en active Active
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| CN104896047A (en) | 2015-09-09 |
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