CN207893080U - Two level cam indexing mechanism - Google Patents
Two level cam indexing mechanism Download PDFInfo
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- CN207893080U CN207893080U CN201820150860.7U CN201820150860U CN207893080U CN 207893080 U CN207893080 U CN 207893080U CN 201820150860 U CN201820150860 U CN 201820150860U CN 207893080 U CN207893080 U CN 207893080U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 21
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 7
- 238000013519 translation Methods 0.000 abstract description 6
- 230000014616 translation Effects 0.000 description 5
- 208000032369 Primary transmission Diseases 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
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- 238000005272 metallurgy Methods 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model is related to a kind of two level cam indexing mechanisms, the input shaft of horizontal cross setting is installed in the central through hole of input terminal babinet, one spur gear is installed on the input shaft in input terminal babinet, it is fixed with a gear ring in the input terminal babinet of the spur gear periphery, radial equipartition is equipped with multiple planetary gears between spur gear and gear ring, and multiple planetary gear is meshed with the internal tooth of spur gear external tooth and gear ring simultaneously；Planetary wheel shaft is fixed in one end of a planet carrier, the other end of planet carrier is formed with transmission shaft, an eccentric bushing is fixed on the transmission shaft, eccentric bushing periphery one pin gear is installed by rolling bearing, it is radial in pin gear that multiple needle teeth are installed uniformly at intervals, multiple needle tooth engagement is equipped with a cam ring, and cam ring is fixedly mounted with output support plate.The utility model drives pin gear to carry out eccentric center translation by planetary gear train, makes output support plate final output dividing movement, and stable transmission is reliable, and accuracy is high.
Description
Technical field
The utility model field of mechanical technique is related to transmission mechanism, specifically a kind of two level cam indexing mechanism.
Background technology
In production, it needs to be applied to a large amount of transmission device, to obtain required transmission, promotes working efficiency, now
Multi-stage transmission transmission device often structure is complex, occupied space is larger.Indexing mechanism will can continuously turn as one kind
Turn turns to the complex mechanical structure for writing a Chinese character in simplified form rotation or translation, is sent out in all conglomeraties such as light textile, electromechanics, national defence, mine, metallurgy
Wave vital effect.
Utility model content
The purpose of the utility model is to overcome in place of the deficiencies in the prior art, provide a kind of reasonable design, equipment volume
Small, stable two level cam indexing mechanism.
The utility model solves its technical problem and following technical scheme is taken to realize：
A kind of two level cam indexing mechanism, it is characterised in that：Including input terminal babinet, output end babinet, input shaft, straight-tooth
Wheel, gear ring, planetary gear, planet carrier, eccentric bushing, pin gear, needle tooth, cam ring and output support plate, input terminal babinet with it is defeated
Outlet babinet is opposite to be fastened, and coaxial central through hole is formed in the middle part of input terminal babinet and output end babinet；Input terminal babinet
Central through hole in the input shaft of horizontal cross setting is installed, a straight-tooth is installed on the input shaft in input terminal babinet
It takes turns, a gear ring is fixed in the corresponding input terminal babinet in the spur gear periphery, radial equipartition is installed between spur gear and gear ring
There are multiple planetary gears, multiple planetary gear to be meshed simultaneously with the internal tooth of spur gear external tooth and gear ring；It is planetary
Wheel shaft is fixed in one end of a planet carrier, and the other end of planet carrier is formed with transmission shaft, and an eccentric bushing is fixed on the transmission shaft,
A pin gear is installed in eccentric bushing periphery by rolling bearing, and radial direction is equipped with multiple needle teeth uniformly at intervals in pin gear, multiple
Needle tooth engages the indexing inner edge profile of cam ring, and cam ring is packed on output support plate.
Moreover, the planetary gear is three.
Moreover, the planet stent periphery between planetary gear and pin gear is equipped with an Internal baffle by bearing, this is interior
Baffle is fixed on the inner wall of input terminal cabinet, and Internal baffle top is embedded with a rolling bearing, and one is equipped in the rolling bearing
Interior eccentric bushing is coated with a long pin-teeth in the axis hole of the interior eccentric bushing, and the other end of the long pin-teeth is coaxially fixed on pin gear
One needle tooth in portion.
Moreover, being equipped with a sleeve on eccentric bushing and the interior transmission shaft for exporting the planet carrier between support plate.
Moreover, each be respectively mounted between planetary centre bore and planet carrier there are two rolling bearing, this two roll
There are one bearing sleeves for installation between bearing.
Moreover, interval installation is there are two rolling bearing on input shaft in the central through hole of input terminal babinet, this two
Input outer shaft sleeve between rolling bearing is equipped with an input shaft sleeve, and one is fixed in the input terminal babinet outer end of input shaft periphery
Input end cap.
The advantages of the utility model and good effect are：
1, mechanism combines epicyclic transmission mechanism and Cam intermittent mechanism, it can be achieved that meeting the interrupted output of user's requirement
And there is higher indexing accuracy, the big number of divisions.
2, the utility model drives pin gear to carry out eccentric center translation by planetary gear train, and then by indexing in the driving of inner edge
Cam makes output support plate final output dividing movement, can slow down, and stable transmission is reliable, and accuracy is high.
Description of the drawings
Fig. 1 is the structural front view (in cut open) of the utility model；
Fig. 2 is the left view (removing input terminal babinet and Internal baffle) of Fig. 1；
Fig. 3 is the vertical view of Fig. 1.
Specific implementation mode
The utility model is described in further detail below in conjunction with the accompanying drawings and by specific embodiment, and following embodiment is only retouched
The property stated, it is not restrictive, protection scope of this utility model cannot be limited by this.
A kind of two level cam indexing mechanism, for the ease of clearly illustrating that the present embodiment is illustrated with direction shown in attached drawing 1,
Including input terminal babinet 6, output end babinet 11, input shaft 1, spur gear 4, gear ring 17, planetary gear 18, planet carrier 19, bias
Set 15, pin gear 9, needle tooth 10, cam ring 14 and output support plate 12, input terminal babinet 6 are fastened with output end babinet 11 and are formed
Mechanism shell is formed with coaxial central through hole in the middle part of input terminal babinet and output end babinet；
The input shaft 1 of horizontal cross setting is installed, one end stretching of input shaft is defeated in the central through hole of input terminal babinet
Enter to hold outside babinet, a spur gear 4 is installed on the input shaft in input terminal babinet, the corresponding input terminal case in the spur gear periphery
It is fixed with a gear ring 17 in vivo, the inner circumferential of gear ring is formed with internal tooth；There are three rows for radial equipartition installation between spur gear and gear ring
Star gear 18, three planetary gears are meshed with the internal tooth of spur gear external tooth and gear ring simultaneously；Three planetary wheels
Axis is fixed on a side end face of a planet carrier 19, and another side end face of planet carrier is formed with the transmission shaft coaxial with input shaft,
An eccentric bushing 15 is fixed on the transmission shaft of planet carrier, a pin gear 9, pin gear diameter are installed in eccentric bushing periphery by rolling bearing
To multiple needle teeth 10 are equipped with uniformly at intervals, multiple needle tooth cooperation is equipped with a cam ring 14；Cam ring is formed with indexing inner edge
Profile, multiple needle teeth engage cam ring be formed with indexing inner edge profile be driven, cam ring be packed in output support plate 12 one
The other end middle part at end, the output support plate is formed with output shaft, and stretches out the central through hole of output end babinet, output indexing fortune
It is dynamic.
In order to ensure linearly stability, the planet stent periphery between planetary gear and pin gear is installed by bearing
There are an Internal baffle 16, the Internal baffle to be fixed on the inner wall of input terminal cabinet, Internal baffle top is embedded with a rolling bearing, the rolling
Eccentric bushing 7 in one are installed in dynamic bearing, a long pin-teeth 8, the other end of the long pin-teeth are coated in the axis hole of the interior eccentric bushing
A coaxial needle tooth for being fixed in 9 top of pin gear, moves synchronously with the needle tooth；When pin gear carries out eccentric center translation, the minute hand
Eccentric bushing rotates in the drive of tooth.
A sleeve 13 is installed on the transmission shaft of planet carrier between eccentric bushing 15 and interior output support plate 12, is ensured axial
Spacing.
It is each to be respectively mounted between planetary centre bore and planet carrier there are two rolling bearing, two rolling bearings it
Between installation there are one bearing sleeve 5.
There are two rolling bearing, two axis of rolling for interval installation on input shaft in the central through hole of input terminal babinet
Input outer shaft sleeve between holding is equipped with an input shaft sleeve 3, and an input is fixed in the input terminal babinet outer end of input shaft periphery
End cap 2.
Operation principle：
Input shaft 1 rotates, and driving spur gear rotation, straight-tooth wheel drive planetary gear carries out planetary rotation in gear ring, into
And planet stent is driven to rotate, primary transmission (can slow down) is completed in planet stent output rotation；
Planet stent drives eccentric shaft turns, eccentric shaft driving pin gear 9 to make eccentric center translation；
The inner edge profile for the multiple needle tooth engagement cam rings being fixedly mounted on pin gear 9, multiple needle tooth eccentric center translations drive output
Support plate 12 carries out dividing movement.
Although disclosing the embodiments of the present invention and attached drawing for the purpose of illustration, those skilled in the art can be with
Understand：It is not departing from the utility model and spirit and scope of the appended claims, various substitutions, changes and modifications are all can
Can, therefore, the scope of the utility model is not limited to embodiment and attached drawing disclosure of that.
Claims (6)
1. a kind of two level cam indexing mechanism, it is characterised in that：Including input terminal babinet, output end babinet, input shaft, straight-tooth
Wheel, gear ring, planetary gear, planet carrier, eccentric bushing, pin gear, needle tooth, cam ring and output support plate, input terminal babinet with it is defeated
Outlet babinet is opposite to be fastened, and coaxial central through hole is formed in the middle part of input terminal babinet and output end babinet；Input terminal babinet
Central through hole in the input shaft of horizontal cross setting is installed, a straight-tooth is installed on the input shaft in input terminal babinet
It takes turns, a gear ring is fixed in the corresponding input terminal babinet in the spur gear periphery, radial equipartition is installed between spur gear and gear ring
There are multiple planetary gears, multiple planetary gear to be meshed simultaneously with the internal tooth of spur gear external tooth and gear ring；It is planetary
Wheel shaft is fixed in one end of a planet carrier, and the other end of planet carrier is formed with transmission shaft, and an eccentric bushing is fixed on the transmission shaft,
A pin gear is installed in eccentric bushing periphery by rolling bearing, and radial direction is equipped with multiple needle teeth uniformly at intervals in pin gear, multiple
Needle tooth engages the indexing inner edge profile of cam ring, and cam ring is packed on output support plate.
2. two level cam indexing mechanism according to claim 1, it is characterised in that：The planetary gear is three.
3. two level cam indexing mechanism according to claim 1, it is characterised in that：Between planetary gear and pin gear
Planet stent periphery is equipped with an Internal baffle by bearing, which is fixed on the inner wall of input terminal cabinet, on Internal baffle
Portion is embedded with a rolling bearing, is equipped with eccentric bushing in one in the rolling bearing, a length is coated in the axis hole of the interior eccentric bushing
The other end of needle tooth, the long pin-teeth is coaxially fixed in a needle tooth on pin gear top.
4. two level cam indexing mechanism according to claim 1, it is characterised in that：Between eccentric bushing and interior output support plate
Planet carrier transmission shaft on a sleeve is installed.
5. two level cam indexing mechanism according to claim 1, it is characterised in that：Each planetary centre bore and row
It is respectively mounted between carrier there are two rolling bearing, there are one bearing sleeves for installation between two rolling bearings.
6. two level cam indexing mechanism according to claim 1, it is characterised in that：In the central through hole of input terminal babinet
Input shaft on interval installation there are two rolling bearing, the input outer shaft sleeve between two rolling bearings is equipped with an input axle sleeve
Cylinder, an input end cap is fixed in the input terminal babinet outer end of input shaft periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150860.7U CN207893080U (en) | 2018-01-30 | 2018-01-30 | Two level cam indexing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820150860.7U CN207893080U (en) | 2018-01-30 | 2018-01-30 | Two level cam indexing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207893080U true CN207893080U (en) | 2018-09-21 |
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ID=63545616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820150860.7U Active CN207893080U (en) | 2018-01-30 | 2018-01-30 | Two level cam indexing mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN207893080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131431A (en) * | 2018-01-30 | 2018-06-08 | 天津科技大学 | Two level cam indexing mechanism |
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2018
- 2018-01-30 CN CN201820150860.7U patent/CN207893080U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131431A (en) * | 2018-01-30 | 2018-06-08 | 天津科技大学 | Two level cam indexing mechanism |
| CN108131431B (en) * | 2018-01-30 | 2024-01-19 | 天津科技大学 | Two-stage cam indexing mechanism |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: 1614, 16th Floor, Building 5, No. 11 Yihezhuang North Road, Daxing District, Beijing, 102600 Patentee after: Beijing Xinze Zhongbang Technology Co.,Ltd. Country or region after: China Address before: 300222 Tianjin University of Science and Technology, 1038 South Road, Tianjin, Hexi District, Dagu Patentee before: TIANJIN University OF SCIENCE AND TECHNOLOGY Country or region before: China |