CN206175600U - Edge cam intermittent movement device - Google Patents
Edge cam intermittent movement device Download PDFInfo
- Publication number
- CN206175600U CN206175600U CN201621129305.3U CN201621129305U CN206175600U CN 206175600 U CN206175600 U CN 206175600U CN 201621129305 U CN201621129305 U CN 201621129305U CN 206175600 U CN206175600 U CN 206175600U
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- CN
- China
- Prior art keywords
- connecting rod
- cam
- edge cam
- taper roller
- intermittent motion
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Abstract
The utility model discloses an edge cam intermittent movement device, including frame and drive mechanism, a device of realizing the intermittent movement of tray between two positions, the device is mainly formed by cam mechanism, rack and pinion mechanism and parallel four -link mechanism tandem compound, cam mechanism adopts tapered roller terminal surface cam mechanism. The utility model discloses a motion effect of edge cam, can so that cam mechanism to have a transmission steady, the dynamic characteristics is better, shock and vibration is little, advantages such as positioning accuracy height, but the wide application is on automatic machine and the production water line.
Description
Technical field
This utility model is related to a kind of indexing mechanism, more particularly to a kind of by cam mechanism, pinion and rack peace
Two station intermittent motion devices of row quadric chain tandem compound.
Background technology
In all kinds of machineries, often need the motion of some component property performance period and rest.Can be by the continuous of driving link
Motion is converted into the regular mechanism for moving and resting of driven member and is referred to as intermittent motion mechanism.
In various automations and production line, often using the interval such as ratchet mechanism, Geneva mechanism and cam mechanism
Motion so as to greatly reduce artificial operation, lifts work effect realizing continuous conversion of the workpiece between different operating position
Rate.
The content of the invention
Technical problem to be solved in the utility model is：A kind of edge cam intermittent motion device is provided, to realize support
Reciprocating motion of the disk between two operating positions.Intermittent movement can be exported as actuator；Can also be with other mechanism's groups
Close, realize more complicated forms of motion.
This utility model solves its technical problem using following technical scheme：
The edge cam intermittent motion device that this utility model is provided, including frame and drive mechanism, are a kind of realization supports
The device of intermittent movement of the disk between two positions.The device is mainly by cam mechanism, pinion and rack and parallel―ordinal shift
Mechanisms in series is combined, and the cam mechanism adopts taper roller end cam mechanism.
Described cam mechanism, is mainly made up of, wherein the centre bore of edge cam edge cam, taper roller driven member
It is connected with the power transmission shaft of drive mechanism, the plush copper of the cam is contacted with taper roller driven member and is connected, taper roller driven member
Axle is connected with the tooth bar end circular hole of pinion and rack.
Described parallel four-bar linkage, its one end is connected through bar and is mounted on bearing, and its other end passes through its two
The gear shaft of connecting rod Jing pinion and racks is mounted on base, and bearing and base are mounted in frame.
Described tooth bar, its top half is normal tooth bar, and its latter half does not have profile of tooth, and the latter half end is provided with
The circular hole being connected with the taper roller driven member of cam mechanism.
Described parallel four-bar linkage, by connecting rod, pole, pallet, and completely identical in structure left connecting rod, right company
Bar is constituted；Described pole, its one end is connected with one end of connecting rod, and its other end and pallet are connected as one formula structure；Even
The other end of extension bar is connected with the journal stirrup of bearing；Left connecting rod and right connecting rod, the keyway of its one end is respectively with flat key and gear shaft
Two ends be connected, its other end of connecting hole is connected respectively by the journal stirrup of bolt and corresponding pallet both sides, and uses spiral shell
Mother is fixed.
Described pole, its length and left connecting rod, right connecting rod, the equal length of connecting rod, the left connecting rod, right connecting rod,
The length of connecting rod refers to the distance that their two ends two are hinged between axially bored line.
Described pole, its length is hinged throwing of the axially bored line in the plane parallel to base side with bearing and base two
Shade etc..
This utility model compared with conventional art, with following main beneficial effect：
1. taper roller is adopted, the contact situation with cam is improved, is also beneficial to adjust fit clearance.
New taper roller end cam mechanism is employed, with taper roller traditional cylindrical roller is instead of.Improve
Contact situation with cam.Meanwhile, by adjusting taper roller axial location, between can adjusting between roller and cam contour surface
Gap size, so can adjust gap after cam weares and teares, and be continuing with.
2. motion conversion is carried out using pinion and rack, while also functioning to amplify the effect of linkage output swing angle.
Pinion and rack is increased between circular cone end cam mechanism and parallel linkage, will be moved along a straight line except having
Be changed into outside the effect of rotation, can also by choosing suitable gear ratio to pinion and rack, make up cam Jing often due to
Design requirement causes the less shortcoming of stroke, makes parallel four-bar linkage obtain larger output angle of oscillation.
3., by the position of reasonable Arrangement parallel-crank mechanism, make pallet can guarantee that level all the time.
4. the characteristics of driven member position is constant during angle of repose and far angle of repose is entered using cam, makes pallet in two work
Certain hour can be kept during position.The lift of cam and backhaul then correspond to motor process of the pallet between two operating positions.
5. bearing capacity is strong, it is easy to adjust, and positioning precision is high, and vibration noise is little.In certain design example, the first steps of Jing
Card, under identical working condition, than at present, conventional double cam is more stable, than cylindrical cam combined mechanism cost
On it is low by 3 percent or so.
6., by the characteristics of motion of reasonable selection edge cam, can cause mechanism that there is stable drive, dynamic trait compared with
Good, impact shock is little, many advantages, such as positioning precision is high.The mechanism can be widely applied in automation and production line.
Description of the drawings
Fig. 1 is the axonometric drawing of edge cam intermittent motion device；
Fig. 2 is the front view of edge cam intermittent motion device；
Fig. 3 is the left view of edge cam intermittent motion device；
Fig. 4 is the axonometric drawing of pallet；
Fig. 5 is the axonometric drawing of connecting rod；
Fig. 6 is the axonometric drawing of gear shaft.
In figure：1. the first bolt, 2. connecting rod, 3. the second bolt, 4. bearing, 5. left connecting rod, 6. gear shaft, 7. base,
8. pole, 9. pallet, 10. the 3rd bolt, 11. right connecting rods, 12. gears, 13. edge cams, 14. tooth bars, 15. taper rollers from
Moving part, 16. first nuts, 17. second nuts, 18. journal stirrups, 19. keyways, 20. gear shaft key grooves.
Specific embodiment
The edge cam intermittent motion mechanism that this utility model is provided, is a kind of end cam mechanism with conical roller
The intermittent motion mechanism being in series with pinion and rack, parallel―ordinal shift machine.The mechanism includes three parts：Cam machine
Structure, pinion and rack and linkage.Edge cam contoured surface has special space curved form, can match somebody with somebody with taper roller
Merge and drive tooth bar to produce linear reciprocating motion.Rack drives pinion rotation, makes linkage make intermittent reciprocating motion.So as to most
Allow eventually to be moved in two operating position catch cropping intermittent reciprocatings with the pallet of connecting rod one.By reasonable selection edge cam
The characteristics of motion, can cause mechanism to have stable drive, and preferably, impact shock is little, and positioning precision height etc. is many excellent for dynamic trait
Point.The mechanism can be widely applied in automation and production line.
With reference to enforcement and accompanying drawing, the utility model is described in further detail, but does not limit this utility model.
This utility model provide edge cam intermittent motion device, its structure as shown in Figure 1-Figure 3, mainly by cam machine
Structure, pinion and rack and parallel four-bar linkage tandem compound are formed, and are a kind of two stations intermittent motion devices.
Described cam mechanism, is mounted on power transmission shaft, driven for the at the uniform velocity rotation of power transmission shaft to be changed into into taper roller
Part 15 pumps.The cam mechanism is made up of edge cam 13, taper roller driven member 15, tooth bar 14, wherein：End
The centre bore of face cam 13 is connected with power transmission shaft (being not drawn in mechanism), power transmission shaft uniform rotation, drives edge cam 13 to revolve
Turn；The plush copper of the cam is contacted with taper roller driven member 15 and is connected.Taper roller driven member 15 with edge cam 13 rotation
Pump, so as to band carry-over bar 14 pumps.The top half of tooth bar 14 is normal tooth bar, and the latter half does not have
There is profile of tooth, end is provided with circular hole, be connected with taper roller driven member 15.In order to describe conveniently, give top priority to what is the most important, and in view of on market
Taper roller driven member 15 has formed standardization, seriation, and this example is not carried out in detail to its internal structure and external connection
Narration.But on the whole its function is described with a part 15.
Described cam mechanism, its cam contour surface is formed by taper roller envelope, and both can realize linear contact lay.Relative to
Planar cam mechanism, end cam mechanism bears that moment of flexure is less bearing based on axial force, and structural strength is higher；By adjustment
The axial location of taper roller, can adjust the gap length between roller and cam contour surface.Taper roller can be around own axes
Rotation, reduces the abrasion in engagement process.
Described pinion and rack, can be changed into reciprocally swinging by the linear reciprocating motion of cam mechanism.And can be with
By the gear ratio of reasonable disposition mechanism, amplify the pivot angle of gear.The aspect such as designed, assembled in cam mechanism stroke to limit
And when taking smaller value, still can obtain larger pivot angle.
Described pinion and rack, is mounted in frame, for the straight reciprocating motion of tooth bar 14 to be converted into into gear shaft 6
Intermittent oscillation, and further transmitted motion on left connecting rod 5 and right connecting rod 11 by flat key.The pinion and rack is by tooth
Bar 14, gear shaft 6 are constituted, as shown in Figure 6：Gear 12 on tooth bar 14 and gear shaft 6 is intermeshed.Gear shaft 6 is multidiameter,
Middle part is gear forms (gear 12)；The two ends of gear shaft 6 are provided with gear shaft key groove 20, for passing through flat key by gear shaft 6
Motion is delivered on left connecting rod 5 and right connecting rod 11.
Described parallel four-bar linkage, for the intermittent oscillation of gear shaft 6 to be changed into into pallet 9 in two operating positions
Intermittent oscillation.One end of the parallel four-bar linkage is connected through bar 2 and is mounted in bearing 4, the parallel four-bar linkage other
End is mounted on base 7 by the gear shaft 6 of its two connecting rod Jing pinion and racks.
Described parallel four-bar linkage, is made up of left connecting rod 5, right connecting rod 11, pallet 9, pole 8, connecting rod 2, wherein：
The connecting rod 2, its one end is connected by the first bolt 1 with one end of pole 8, and the other end and the pallet 9 of the pole 8 are connected to
Integral structure (Fig. 1, Fig. 4)；The other end of the connecting rod 2 is connected by the second bolt 3 with the journal stirrup of bearing 4, and is used
First nut 16 is fixed.Bearing 4 is connected by bolt with frame (being not drawn in figure).Left connecting rod 5 and the structure of right connecting rod 11 are complete
It is identical, as shown in figure 5, its one end carries keyway 19, it is respectively used to be connected with the two ends of gear shaft 6, and fixed with flat key；
Its other end is equipped with connecting hole, and the connecting hole passes through respectively the phase of journal stirrup 18 of the 3rd bolt 10 and the both sides of corresponding pallet 9
Even, and fixed (Fig. 1, Fig. 4) with the second nut 17.The length and left connecting rod 5 of pole 8, right connecting rod 11, the length of connecting rod 2
(being primarily referred to as the distance that two ends two are hinged between axially bored line) is equal, is also hinged axially bored line the bottom of parallel to 7 liang of bearing 4 and base
Projection in the plane of 7 sides of seat is equal.Thus a parallelogram is geometrically being defined, so as to constitute parallelogram
Mechanism.So that pole 8 in swing process all the time can with horizontal line keep fixed angle (because two bases 7 position it is constant,
It is also constant with horizontal angle).And the angle design between pole 8 and pallet 9 is equal with this angle, it is ensured that pallet 9 is swinging
During remain level.
When the angle of the connecting rod and horizontal plane is less than 90 degree, because the deadweight of connecting rod and the weight of goods on pallet make
Tooth bar is subject to all the time downward active force, so that taper roller and edge cam can remain close contact, without
The ancillary methods such as spring.
The edge cam intermittent motion mechanism that this utility model is provided, its course of work is：
After power warp beam system is passed on edge cam 13, edge cam 13 rotates, and promotes matched taper roller
Driven member 15 does in vertical direction batch (-type) linear reciprocating motion.Tooth bar 14 moves up and down with taper roller driven member 15, band
The dynamic reciprocally swinging of gear shaft 6 being engaged with.The flat key in gear shaft key groove 20 that gear shaft 6 passes through two ends drives left connecting rod 5
Together swing with right connecting rod 11.So motion has just smoothly been delivered to parallel four-bar linkage, so that pallet 9 is between two positions
Do batch (-type) reciprocally swinging.
Below this utility model is illustrated by way of example, but this utility model is not limited to above-mentioned concrete reality
Example, all any changes done based on this utility model or deformation belong to the scope of this utility model protection.
Claims (7)
1. a kind of edge cam intermittent motion device, including frame and drive mechanism, is characterized in that one kind realizes pallet at two
The device of the intermittent movement between position, the device is mainly connected by cam mechanism, pinion and rack and parallel four-bar linkage
Combine, the cam mechanism adopts taper roller end cam mechanism.
2. edge cam intermittent motion device according to claim 1, it is characterised in that described cam mechanism, mainly by
Edge cam (13), wherein taper roller driven member (15) composition, the transmission of the centre bore of edge cam (13) and drive mechanism
Axle is connected, and the plush copper of the cam is contacted with taper roller driven member (15) and is connected, the axle and gear of taper roller driven member (15)
Tooth bar (14) the end circular hole of rackwork is connected.
3. edge cam intermittent motion device according to claim 1, it is characterised in that described parallel four-bar linkage,
Its one end is connected through bar (2) and is mounted on bearing (4), the gear that its other end passes through its two connecting rod Jing pinion and racks
Axle (6) is mounted on base (7), and bearing (4) and base (7) are mounted in frame.
4. edge cam intermittent motion device according to claim 3, it is characterised in that described tooth bar (14), its upper half
Part is normal tooth bar, and its latter half does not have profile of tooth, and the latter half end is provided with driven with the taper roller of cam mechanism
The circular hole of part (15) connection.
5. edge cam intermittent motion device according to claim 3, it is characterised in that described parallel four-bar linkage,
It is made up of connecting rod (2), pole (8), pallet (9), and completely identical in structure left connecting rod (5), right connecting rod (11)；Described
Pole (8), its one end is connected with the one end of connecting rod (2), and its other end and pallet (9) are connected as one formula structure；Connecting rod
(2) other end is connected with the journal stirrup of bearing (4)；Left connecting rod (5) and right connecting rod (11), the keyway (19) of its one end is used respectively
Flat key is connected with the two ends of gear shaft (6), and its other end of connecting hole is respectively by bolt and corresponding pallet (9) both sides
Journal stirrup is connected, and is fixed with nut.
6. edge cam intermittent motion device according to claim 5, it is characterised in that described pole (8), its length
With left connecting rod (5), right connecting rod (11), connecting rod (2) equal length, the left connecting rod (5), right connecting rod (11), connecting rod (2)
Length refer to the distance that their two ends two are hinged between axially bored line.
7. edge cam intermittent motion device according to claim 5, it is characterised in that described pole (8), its length
It is equal projection of the axially bored line in the plane parallel to base (7) side to be hinged with bearing (4) and base (7) two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129305.3U CN206175600U (en) | 2016-10-17 | 2016-10-17 | Edge cam intermittent movement device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621129305.3U CN206175600U (en) | 2016-10-17 | 2016-10-17 | Edge cam intermittent movement device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206175600U true CN206175600U (en) | 2017-05-17 |
Family
ID=58678618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621129305.3U Expired - Fee Related CN206175600U (en) | 2016-10-17 | 2016-10-17 | Edge cam intermittent movement device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206175600U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249640A (en) * | 2018-09-28 | 2019-01-22 | 桂林航天工业学院 | A kind of powder green compact mold with vibration device |
| CN110315522A (en) * | 2019-07-28 | 2019-10-11 | 南京驭逡通信科技有限公司 | A kind of industrial machine human arm Shen Qu mechanism |
| CN111452415A (en) * | 2020-03-27 | 2020-07-28 | 戴辉乾 | Corn straw device is wrapped up in to tea bran cake |
| CN114271068A (en) * | 2022-02-17 | 2022-04-05 | 石家庄市农林科学研究院 | Artificial furrow opener is planted to shallot |
-
2016
- 2016-10-17 CN CN201621129305.3U patent/CN206175600U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249640A (en) * | 2018-09-28 | 2019-01-22 | 桂林航天工业学院 | A kind of powder green compact mold with vibration device |
| CN110315522A (en) * | 2019-07-28 | 2019-10-11 | 南京驭逡通信科技有限公司 | A kind of industrial machine human arm Shen Qu mechanism |
| CN110315522B (en) * | 2019-07-28 | 2020-01-17 | 南京驭逡通信科技有限公司 | Industrial robot arm mechanism of buckling |
| CN111452415A (en) * | 2020-03-27 | 2020-07-28 | 戴辉乾 | Corn straw device is wrapped up in to tea bran cake |
| CN114271068A (en) * | 2022-02-17 | 2022-04-05 | 石家庄市农林科学研究院 | Artificial furrow opener is planted to shallot |
| CN114271068B (en) * | 2022-02-17 | 2023-09-08 | 石家庄市农林科学研究院 | Manual furrow opener for planting green Chinese onions |
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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 |
Granted publication date: 20170517 Termination date: 20171017 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |