CN203009754U - Double-mesh pin teeth cam dividing mechanism - Google Patents

Double-mesh pin teeth cam dividing mechanism Download PDF

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Publication number
CN203009754U
CN203009754U CN 201320009351 CN201320009351U CN203009754U CN 203009754 U CN203009754 U CN 203009754U CN 201320009351 CN201320009351 CN 201320009351 CN 201320009351 U CN201320009351 U CN 201320009351U CN 203009754 U CN203009754 U CN 203009754U
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CN
China
Prior art keywords
pin
input shaft
cam
output shaft
teeth
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.)
Withdrawn - After Issue
Application number
CN 201320009351
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Chinese (zh)
Inventor
刘明涛
李彦启
李连亮
郭志全
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Tianjin University of Science and Technology
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Tianjin University of Science and Technology
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Publication date
Application filed by Tianjin University of Science and Technology filed Critical Tianjin University of Science and Technology
Priority to CN 201320009351 priority Critical patent/CN203009754U/en
Application granted granted Critical
Publication of CN203009754U publication Critical patent/CN203009754U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a double-mesh pin teeth cam dividing mechanism which comprises an input shaft, an output shaft, inner cycloid gears, pin gears, pin teeth and dividing cams, wherein the input shaft is coaxially mounted at the middle parts of a front cover and baffles; one inner cycloid gear is mounted on the input shaft; the output shaft is coaxially mounted at the middle parts of the baffles and a back cover; one dividing cam with a plurality of special outer margin outlines is mounted on the output shaft; the input shaft and the output shaft are coaxially arranged at intervals; one eccentric pin gear is mounted on the input shaft between the inner cycloid gears and the dividing cams through rolling bearings; a plurality of pin teeth matched with the cams are coaxially and uniformly distributed and mounted on the pin gears in the radial direction at intervals; the ends of the pin teeth are meshed with the inner cycloid gears; and the other ends of the pin teeth are clamped with the dividing cams in a sliding manner. The double-mesh pin teeth cam dividing mechanism has the advantages that the structure is simple and compact; the quantity of the parts is small; the transmission is stable; the running is reliable, and the transmission efficiency is high; the material is saved; the integral weight is light; and the processing and manufacturing of the parts are easy; and the manufacturing cost is reduced.

Description

A kind of two engagement pin finger cam indexing mechanism
Technical field
The utility model belongs to field of mechanical technique, relates to driving mechanism, especially a kind of two engagement pin finger cam indexing mechanisms.
Background technique
Cam intermittent mechanism has been widely used in the automatic part of modern industry, and it has become the accurate main flow device that drives in the world today.Product relates to automatic line and the various general machinery equipments such as packing, printing, pharmacy, chemical industry, tobacco, electronic apparatus, glass ceramic, automobile making, and they are bringing into play vital effect as the core driven device of automatic machinery.But, Cam intermittent mechanism contacts carry-over moment mainly with single driven member with cam at present, the roller number that contacts with cam simultaneously when working as an example of ferguson cam mechanism example is that 1-2 is individual, and the comparatively concentrated easy contact fatigue strength destruction that produces of the suffered stress of roller of engagement is limited to and participated in to carry-over moment.
Cycloidal-pin wheel planetary gearing mechanism and double cycloid pinwheel (roller) epicyclic transmission mechanism,, compact structure large with its velocity ratio that has, bearing capacity are large, transmission efficiency and the outstanding advantages such as total number of teeth in engagement is many, are widely used in the industrial fields such as machinery, mine, metallurgy, chemical industry, weaving, national defense industry.Wherein double cycloid pinwheel (roller) is although epicyclic transmission mechanism has had more the outer ring than cycloidal-pin wheel planetary gearing mechanism, but also saved comparatively complicated output mechanism and can realize the gearing down that velocity ratio is higher, therefore double cycloid pinwheel (roller) epicyclic transmission mechanism is a kind of more superior epicyclic transmission mechanism on the whole.
In sum, the utility model combines Cam intermittent mechanism, and the advantage of cycloid, double cycloid pinwheel (roller) epicyclic transmission mechanism can realize meeting the interrupted output of customer requirements and have higher indexing accuracy, the large number of divisions, high bearing capacity.Therefore the utlity model has far-reaching Research Significance and broad application space.
Find following Patents through retrieval:
A kind of planetary transmission system (CN202360734U), comprise main shaft, be set on sun gear and planetary plate gear on main shaft, described planetary plate gear is provided with the planet pin parallel with main shaft, described planet pin upper sleeve through has the planetary pinion with the sun gear engagement, and described planet pin is eccentric shaft.The utility model planet pin is eccentric shaft, between the planetary pinion of engagement and sun gear because friction produces the gap, can eccentric rotation axis, dwindle the distance between planetary pinion and sun gear axis, and then eliminate gap between their both engaging tooths, recovery system precision.
a kind of double rotor planet differential electricity generator (CN101364759), its structure is by hollow shaft, external rotor, internal rotor and planetary gear mechanism form, internal rotor is arranged in the middle of external rotor, the centre of external rotor and internal rotor is provided with bearing and hollow shaft joins, be provided with external rotor winding unshakable in one's determination on the housing cylindrical inwall of external rotor, be provided with internal rotor winding unshakable in one's determination on the cylindrical of the housing outer wall of internal rotor, the adjacent reverse rotation of cylindrical of the inner circle of external rotor winding unshakable in one's determination and internal rotor winding unshakable in one's determination, the side of external rotor and internal rotor is provided with planetary gear mechanism, planetary gear mechanism is comprised of interlock dish and planetary pinion, the center of interlock dish is connected with hollow shaft by bearing, planetary pinion is arranged on the edge of interlock dish by bearing, be provided with external toothing on the edge of the housing of external rotor, the side of internal rotor is provided with ring gear, planetary pinion is meshed with external toothing and ring gear simultaneously.This generator mainly is used for the wind-power electricity generation of low wind speed and the hydroelectric power of low head.
the shape locking component and the Planetary Gear Transmission device (CN102466029A) that are used for the Planetary Gear Transmission device, the Planetary Gear Transmission utensil has at least one planetary pinion, planetary pinion pin and bearing means, planetary pinion is arranged on the planetary pinion pin rotationally by bearing means, the planetary pinion pin has the depressed part that opens wide vertically and at least one is for the lubricant passageway to the bearing means supply of lubricant, and wherein depressed part is connected with lubricant passageway with circulating, the shape locking component is with the connector section, described connector section has the sealed section of at least one shape, wherein the sealed section of shape is configured to prevent that the connector section is locked in connector section shape in depressed part to sealed and/or force closure with moving axially, wherein, the sealed section of shape is rabbeted in lubricant passageway and is had the oiling agent runner, thereby oiling agent is directed to by the sealed section of shape and/or is bootable in lubricant passageway.
A kind of planetary type gear transmission unit (CN202360685U), utilize the cooperation of cross chute and slide block in the sheave structure, make the drag effect force remain at 1/2nd places of sheave radius, and because planetary pinion is connected with sheave, planetary pinion and the rotation of sheave coaxial synchronous, the drag effect force is just at 1/2nd places of planet tooth radius like this, that is to say the resistance in driving disc axle and planetary pinion, shared drag effect force, internal gear engagement place, realize the increase of its output terminal power; Be meshed because of planetary pinion and internal gear again, planetary pinion rotation and rotation under the active force of driving disc axle drives, therefore the position of contact points along with planetary rotation synchronous change, the sheave coaxial with it be synchronous rotary also, and then the rotation of drive output shaft, having guaranteed increases the power of its output terminal under the synchronous in the same way prerequisite of input shaft and output shaft.The invention also discloses a kind of power system that adopts above-mentioned planetary type gear transmission unit.
Through contrast, the disclosed technology of above-mentioned patent document and present patent application exist more different.
The model utility content
The purpose of this utility model is to overcome the deficiencies in the prior art part, and a kind of two engagement pin finger cam indexing mechanism is provided, this mechanism have the large number of divisions, than high bearing capacity, compact structure, part manufacturing easily, the characteristics of low cost of manufacture.
A kind of two engagement pin finger cam indexing mechanism, be fixedly mounted with cabinet in the support upper end, described cabinet comprises protecgulum, baffle plate and the bonnet that sequentially is fixedly mounted with successively, this protecgulum, baffle plate and bonnet middle part be coaxial being shaped with for the bearing hole that supports input shaft and/or output shaft all, it is characterized in that: also comprise input shaft, output shaft, hypocycloid wheel, pinwheel, pin tooth and index cam, its concrete mounting structure is:
At the coaxial installation input shaft of protecgulum and baffle plate middle part, be fixedly mounted with the hypocycloid wheel on this input shaft; At the coaxial installation output shaft in baffle plate and the middle part of bonnet, be fixedly mounted with an index cam with a plurality of special outer margin contour lines on this output shaft, described input shaft and output shaft coaxial spaced arrange;
The pinwheel of one eccentric setting is installed by rolling bearing on the input shaft between hypocycloid wheel and index cam, on this pinwheel, coaxial spaced radial is uniform is equipped with a plurality of pin teeth that coordinate with cam, one end of these a plurality of pin teeth and the engagement of hypocycloid wheel, hypocycloid wheel drive pin tooth is made eccentric center translation around axis, and the outer margin contour line of the other end of these a plurality of pin teeth and index cam adopts to slide and clamps mode.
And, counterweight also is installed on described input shaft.
And described protecgulum, baffle plate and bonnet are fixedly mounted with by the flange plate order.
And described outer margin contour line is linear to be coordinated with pin number of teeth amount, and the outer margin contour line lacks one than pin number of teeth amount.
The utility model solves its technical problem and takes following technological scheme to realize:
Advantage of the present utility model and good effect are:
1, eccentric center translation and the one-level speedup that realizes the pin tooth with the engagement of pin tooth taken turns by this mechanism by hypocycloid, and the possibility that realizes the larger number of divisions is provided.
2, twice engagement of this mechanism is multiple tooth engagement and has stable drive, and the characteristics that efficient is high are conducive to improve Transmission bearing and realize high-power transmission.
3, this mechanism hypocycloid wheel, pin gear and cam adopt coaxial arrangement, by realizing that with the baffle plate acting in conjunction the large and problem of radial dimension that pin tooth eccentric center translation avoided using ring-plane structure to have, the problem includes: problems such as mechanisms " dead point ".
4, of the present utility model simple and compact for structure, number of spare parts is few, stable drive, reliable and transmission efficiency is high, has saved material, total quality is light, and the part manufacturing is easy, has reduced manufacture cost.
Description of drawings
Fig. 1 is the utility model structural front view;
Fig. 2 is the left view that Fig. 1 removes bonnet and baffle plate.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and by specific embodiment, and following examples are descriptive, are not determinate, can not limit protection domain of the present utility model with this.
A kind of two engagement pin finger cam indexing mechanism, as shown in drawings, comprise cabinet, support 10, input shaft 7, output shaft 1, hypocycloid wheel 6, pinwheel 5, pin tooth 3 and index cam 2, be fixedly mounted with cabinet in the support upper end, described cabinet comprises protecgulum 9, baffle plate 11 and the bonnet 12 that is fixedly mounted with by the flange plate order, and this protecgulum, baffle plate and bonnet middle part be coaxial being shaped with for the bearing hole that supports input shaft and/or output shaft all;
Coaxial installation input shaft in protecgulum and the made bearing hole of baffle plate is fixedly mounted with a hypocycloid wheel on this input shaft; Coaxial installation output shaft in the made bearing hole of baffle plate and bonnet is fixedly mounted with an index cam with a plurality of special outer margin contour lines on this output shaft, this outer margin contour line is linear to be coordinated with pin number of teeth amount, and the outer margin contour line lacks one than pin number of teeth amount,
Be six indexing mechanisms in the present embodiment, in the present embodiment, the pin tooth is six as shown in Figure 2, and cam is shaped with five projections that coordinate the outer margin contour line of pin tooth, and the outer margin contour line of cam and the actual quantity of pin tooth are set according to required transmission parameter;
Described input shaft and output shaft coaxial spaced arrange, and the two ends of input shaft and output shaft are separately installed with bearing 8 and support;
Be equipped with one for the pinwheel that supports the pin tooth by rolling bearing bias on the input shaft between hypocycloid wheel and index cam, on this pinwheel, spaced radial is uniform is equipped with a plurality of homoaxial pin teeth, described pinwheel and input shaft eccentric setting, the i.e. formed circumference of pin tooth and eccentric axis setting.
Counterweight 4 also is installed on described input shaft, makes the pinwheel of eccentric setting realize dynamic balancing when motion.
One end of described a plurality of pin teeth and the engagement of hypocycloid wheel, this hypocycloid wheel drive pin tooth is made eccentric center translation around axis, the other end of these a plurality of pin teeth clamps mode with the outer margin contour line employing slip of index cam and coordinates, the hypocycloid wheel drives rotation by input shaft and rotates by pin tooth driving index cam, thereby transmission of power to output shaft, is realized coaxial dividing movement.
Working principle of the present utility model: input shaft drives the hypocycloid wheel and does fixed-axis rotation, the hypocycloid wheel drives the pin tooth with the engagement of pin tooth and does eccentric center translation, pin tooth and cam-engaged driving cam are done the dead axle intermittent rotary, and the output shaft output by connecting firmly with cam, have realized coaxial dividing movement.
Although disclose for the purpose of illustration embodiment of the present utility model and accompanying drawing, but it will be appreciated by those skilled in the art that: in the spirit and scope that do not break away from the utility model and claims, various replacements, variation and modification are all possible, therefore, scope of the present utility model is not limited to embodiment and the disclosed content of accompanying drawing.

Claims (4)

1. one kind pair is meshed pin finger cam indexing mechanism, be fixedly mounted with cabinet in the support upper end, described cabinet comprises protecgulum, baffle plate and the bonnet that sequentially is fixedly mounted with successively, this protecgulum, baffle plate and bonnet middle part be coaxial being shaped with for the bearing hole that supports input shaft and/or output shaft all, it is characterized in that: also comprise input shaft, output shaft, hypocycloid wheel, pinwheel, pin tooth and index cam, its concrete mounting structure is:
At the coaxial installation input shaft of protecgulum and baffle plate middle part, be fixedly mounted with the hypocycloid wheel on this input shaft; At the coaxial installation output shaft in baffle plate and the middle part of bonnet, be fixedly mounted with an index cam with a plurality of special outer margin contour lines on this output shaft, described input shaft and output shaft coaxial spaced arrange;
The pinwheel of one eccentric setting is installed by rolling bearing on the input shaft between hypocycloid wheel and index cam, on this pinwheel, coaxial spaced radial is uniform is equipped with a plurality of pin teeth that coordinate with cam, one end of these a plurality of pin teeth and the engagement of hypocycloid wheel, hypocycloid wheel drive pin tooth is made eccentric center translation around axis, and the outer margin contour line of the other end of these a plurality of pin teeth and index cam adopts to slide and clamps mode.
2. two engagement pin finger cam indexing mechanism according to claim 1, is characterized in that: counterweight also is installed on described input shaft.
3. according to claim 1 pair is meshed pin finger cam indexing mechanism, and it is characterized in that: described protecgulum, baffle plate and bonnet are fixedly mounted with by the flange plate order.
4. according to claim 1 pair is meshed pin finger cam indexing mechanism, and it is characterized in that: described outer margin contour line is linear to be coordinated with pin number of teeth amount, and the outer margin contour line lacks one than pin number of teeth amount.
CN 201320009351 2013-01-08 2013-01-08 Double-mesh pin teeth cam dividing mechanism Withdrawn - After Issue CN203009754U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320009351 CN203009754U (en) 2013-01-08 2013-01-08 Double-mesh pin teeth cam dividing mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320009351 CN203009754U (en) 2013-01-08 2013-01-08 Double-mesh pin teeth cam dividing mechanism

Publications (1)

Publication Number Publication Date
CN203009754U true CN203009754U (en) 2013-06-19

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ID=48601351

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320009351 Withdrawn - After Issue CN203009754U (en) 2013-01-08 2013-01-08 Double-mesh pin teeth cam dividing mechanism

Country Status (1)

Country Link
CN (1) CN203009754U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075482A (en) * 2013-01-08 2013-05-01 天津科技大学 Dual-meshing needle finger cam indexing mechanism

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103075482A (en) * 2013-01-08 2013-05-01 天津科技大学 Dual-meshing needle finger cam indexing mechanism
CN103075482B (en) * 2013-01-08 2015-06-10 天津科技大学 Dual-meshing needle finger cam indexing mechanism

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C14 Grant of patent or utility model
AV01 Patent right actively abandoned

Granted publication date: 20130619

Effective date of abandoning: 20150610

RGAV Abandon patent right to avoid regrant