CN108757886A - A kind of compensation device of cam drive and its compensation method - Google Patents
A kind of compensation device of cam drive and its compensation method Download PDFInfo
- Publication number
- CN108757886A CN108757886A CN201810595928.7A CN201810595928A CN108757886A CN 108757886 A CN108757886 A CN 108757886A CN 201810595928 A CN201810595928 A CN 201810595928A CN 108757886 A CN108757886 A CN 108757886A
- Authority
- CN
- China
- Prior art keywords
- polygon
- cam
- follower lever
- grease channel
- lubricating oil
- 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.)
- Pending
Links
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
- F16H53/00—Cams ; Non-rotary cams; or cam-followers, e.g. rollers for gearing mechanisms
- F16H53/02—Single-track cams for single-revolution cycles; Camshafts with such cams
- F16H53/04—Adjustable cams
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0456—Lubrication by injection; Injection nozzles or tubes therefor
-
- 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
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
-
- 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
- F16H57/00—General details of gearing
- F16H57/12—Arrangements for adjusting or for taking-up backlash not provided for elsewhere
- F16H2057/123—Arrangements for adjusting or for taking-up backlash not provided for elsewhere using electric control means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of compensation device of cam drive and its compensation methodes,Including body,Body is equipped with driving shaft,Driving shaft is equipped with cam,Polygon pilot hole is provided on body,The sliding of polygon pilot hole is provided with polygon follower lever,Polygon follower lever bottom is bonded with cam,It is provided with bulge loop on polygon follower lever,Spring is provided between bulge loop and body,The closing vessel for surrounding cam and polygon follower lever bottom and spring is provided on body,Closing vessel bottom is provided with grease channel,Grease channel connects nozzle,Pump is provided on grease channel,Turnover first filter cloth and flow sensor are additionally provided on grease channel,Polygon follower lever threaded upper ends are combined with polygon mandril,It is arranged with turntable outside polygon mandril,Small electromotor is rotated by gear band turn disk,Control device is provided in body.The device can carry out wear extent compensation automatically when cam is worn.
Description
Technical field
The invention belongs to frame for movement technical field, the compensation device of specifically a kind of cam drive and its compensation side
Method.
Background technology
Cam mechanism is by cam, the higher pair mechanism of three basic building blocks of driven member and rack composition.Cam is a tool
There are the component of curved profile or groove, generally driving link, makees constant speed rotary motion or linear reciprocating motion.Cam mechanism is extensive
Ground is applied to the fields such as light industry, weaving, food, communications and transportation, machine driving.The displacement of driven member, speed and acceleration are necessary
Strictly change according to predetermined rule, especially when driving link makees continuous movement and driven member must make intermittent movement, then to adopt
It is the easiest with cam mechanism.The characteristics of motion of cam follower depends on the contour line of cam or the shape of groove, and cam can
It is reciprocal linear motion by continuous convert rotational motion, the complicated characteristics of motion may be implemented.
Cam and driven member can all be gradually worn out during cam mechanism is run, and lead to the transmission of cam and driven member
Position occurs gradually to change, and transmission accuracy is caused to decline, and influences complete machine operation.Traditional cam mechanism is when using one section
Between be not achieved the cam and its driving member for having to replace abrasion when required precision, and machine dismounting is got up all inconvenient, consumption
Take a large amount of disassembly and assembly time, and needs to go to check often.
Invention content
The present invention, should in view of the shortcomings of the prior art, provide compensation device and its compensation method of a kind of cam drive
Device and method can carry out wear extent compensation automatically when cam is worn, and to keep transmission accuracy, extend and use the longevity
Life, does not need frequent disassembling, assembling and replacing cam.
In order to solve the above-mentioned technical problem, the present invention is addressed by following technical proposals：A kind of cam drive
Compensation device, including body, the body is equipped with driving shaft, and the driving shaft is equipped with cam, is arranged on the body
There is polygon pilot hole, polygon pilot hole sliding is provided with polygon follower lever, polygon follower lever bottom
Portion is bonded with the cam, and bulge loop is provided on the polygon follower lever, bullet is provided between the bulge loop and the body
Spring is provided on the body and holds the closing that the cam and polygon follower lever bottom and the spring surround
Chamber is provided with lubricating oil in the closing vessel, and the nozzle of the cam, the envelope will be directed at by being provided in the closing vessel
It closes vessel bottom and is provided with grease channel, the grease channel connects the nozzle, is provided on the grease channel
It pumps, flow sensor and middle part are provided on the grease channel has the turnover disc of through-hole, the turnover disc and the profit
Oil pathway is rotatablely connected by shaft, and the first filter cloth is provided in the through-hole, and the shaft is overturn with upset motor cooperation,
The grease channel is connected with clast recycling bins after the turnover disc, and horizontal partition is equipped with the in the clast recycling bins
Two filter clothes, in the clast recycling bins import of the grease channel be located at the top of second filter cloth, the clast returns
Receive lubricating oil liquid level of the outlet of the grease channel in case in the lower section of second filter cloth, the clast recycling bins
Less than second filter cloth, the polygon follower lever threaded upper ends are equipped with polygon mandril, the polygon mandril
Outer to be arranged with turntable, the turntable periphery is arranged rack gear, small electromotor, the electricity of the small electromotor is provided on the body
Gear is provided on arbor, the gear is engaged with the gear ring, and control device, the control device are provided in the body
Connect the flow sensor, the small electromotor, the upset motor and the pump.The compensation of this kind of cam drive
Nozzle ceaselessly sprays lubricating oil to device to cam when in use, the abrasion of cam is reduced, while spraying oil lubrication
Cam is washed away, the clast under being worn on cam and drive link is flushed in the lubricating oil of lower section, in pump conveying lubrication
Clast is brought to grease channel and accumulates on the first filter cloth in the process of oil, during clast gradually increases, first
The logical oily effect of filter cloth tapers into, and flow of lubrication is gradually reduced, until the Monitoring lower-cut of flow sensor, by small electromotor
Rotation drives turntable rotation to realize the compensation of wear extent to drive polygon mandril to rise；Upset motor rotation is controlled simultaneously
It drives turnover disc to overturn 180 degree, after turnover disc overturning, the clast on the first filter cloth is flushed to clast recycling bins.
In above-mentioned technical proposal, it is preferred that polygon follower lever bottom end is provided with idler wheel.To turn using the structure
Frictional force between lever and cam reduces, and reduces abrasion, prolongs the service life.
In above-mentioned technical proposal, it is preferred that the closing vessel bottom is to recessed at the grease channel.Using the knot
Structure is more easy to flow in sense channel after preventing clast from sinking.
A kind of compensation method of the compensation device of cam drive, includes the following steps：1, started with invariable power and pumped, profit
Lubricating oil is from the clast shower that nozzle ejection will be worn on the cam to closing vessel bottom；2, flow sensor is set
Flux lower limit value, flow sensor detect the flow of lubrication in grease channel；3, when flow sensor is to flux lower limit,
The control device controls the upset motor overturning 180 degree and controls the small electromotor and rotates so that the polygon mandril
Rise, wherein single reaches flux lower limit value with small electromotor rotation so that the relationship of the polygon mandril climb
Value is experiment measured value.
Compared with prior art, the present invention having the advantages that：Using the cam drive compensation device and
Its compensation method can carry out wear extent compensation automatically when cam is worn, and to keep transmission accuracy, extend and use the longevity
Life, does not need frequent disassembling, assembling and replacing cam.
Description of the drawings
Fig. 1 is the schematic cross-sectional view of the embodiment of the present invention.
Fig. 2 is the partial enlarged view of Fig. 1.
Specific implementation mode
Present invention is further described in detail with specific implementation mode below in conjunction with the accompanying drawings：It is a kind of referring to Fig. 1 to Fig. 2
The compensation device of cam drive, including body 1, the body 1 are equipped with driving shaft 2, and the driving shaft 2 is equipped with cam
3, polygon pilot hole 4 is provided on the body 1, and the polygon pilot hole 4 sliding is provided with polygon follower lever
5,5 bottom of polygon follower lever is bonded with the cam 3, and bulge loop 6 is provided on the polygon follower lever 5, described convex
It is provided with spring 7 between ring 6 and the body 1, is provided on the body 1 by the cam 3 and the polygon follower lever 5
The closing vessel 8 that bottom and the spring 7 surround, is provided with lubricating oil in the closing vessel 8, in the closing vessel 8
The nozzle 9 of the cam 3 will be directed at by being provided with, and 8 bottom of closing vessel is provided with grease channel 10, and the lubricating oil is logical
Road 10 connects the nozzle 9, and pump 11 is provided on the grease channel 10, and flow biography is provided on the grease channel 10
There is the turnover disc 14 of through-hole 13, the turnover disc 14 to be rotated by shaft 15 with the grease channel 10 for sensor 12 and middle part
It connects, the first filter cloth 16 is provided in the through-hole 13, the shaft 16 is overturn with the cooperation of upset motor 17, and the lubricating oil is logical
Road 10 is connected with clast recycling bins 18 after the turnover disc 14, and horizontal partition is equipped with the second filter in the clast recycling bins 18
Cloth 19, in the clast recycling bins 18 import of the grease channel 10 be located at the top of second filter cloth 19, it is described broken
The outlet of the grease channel 10 in recycling bins 18 is considered to be worth doing in the lower section of second filter cloth 19, the clast recycling bins 18
Lubricating oil liquid level be less than second filter cloth 19,5 threaded upper ends of polygon follower lever are equipped with polygon mandril
20, the polygon mandril 20 is arranged with turntable 21 outside, and 21 periphery of the turntable is arranged rack gear 22, is arranged on the body 1
There is small electromotor 23, gear 24 is provided on the motor shaft of the small electromotor 23, the gear 24 is engaged with the gear ring 22,
Control device 25 is provided in the body 1, the control device 25 connects the flow sensor 12, the small electromotor
23, the upset motor 17 and the pump 11.The compensation device of this kind of cam drive when in use nozzle ceaselessly to
Cam sprays lubricating oil, reduces the abrasion of cam, is washed away to cam while spraying oil lubrication, by cam and
Clast under being worn on drive link is flushed in the lubricating oil of lower section, and clast is brought to lubricating oil during pump conveys lubricating oil
Channel simultaneously accumulates on the first filter cloth, and during clast gradually increases, the logical oily effect of the first filter cloth tapers into, and lubricates
Oil stream amount is gradually reduced, until the Monitoring lower-cut of flow sensor, is rotated by small electromotor and drives turntable rotation, it is more to drive
Side shape mandril rises, and realizes the compensation of wear extent；Upset motor rotation is controlled simultaneously and drives turnover disc overturning 180 degree, is being overturn
After disk overturning, the clast on the first filter cloth is flushed to clast recycling bins.The amount of debris needs lift with polygon mandril
From relation value be experiment measured value, in production by experiment can measure amount of debris when flow being made to reach lower limiting value and this
When polygon mandril need the distance that adjusts, the then number of turns further according to this apart from design compensation motor single revolution.
5 bottom end of polygon follower lever is provided with idler wheel 27.Rubbing between rotating bar and cam is made using the structure
It wipes power to reduce, reduces abrasion, prolong the service life.
8 bottom of closing vessel is to recessed at the grease channel 10.After preventing clast from sinking using the structure more
Easily it flow in sense channel.
A kind of compensation method of the compensation device of cam drive, includes the following steps：1, pump 11 is started with invariable power,
Lubricating oil is from the clast shower that the ejection of the nozzle 9 will be worn on the cam 3 to closing vessel bottom；2, flow sensing is set
The flux lower limit value of device 12, flow sensor 12 detect the flow of lubrication in grease channel 10；3, when flow sensor 12
When to flux lower limit, the control device 25 controls the upset motor 17 and overturns 180 degree and control 23 turns of the small electromotor
It is dynamic so that the polygon mandril 20 rises, wherein single reaches flux lower limit value and is rotated with the small electromotor 23 so that described
The relation value of 20 climb of polygon mandril is experiment measured value.
Claims (4)
1. a kind of compensation device of cam drive, including body（1）, the body（1）It is equipped with driving shaft（2）, described
Driving shaft（2）It is equipped with cam（3）, the body（1）On be provided with polygon pilot hole（4）, the polygon is passed through to be oriented to
Hole（4）Sliding is provided with polygon follower lever（5）, the polygon follower lever（5）Bottom and the cam（3）Fitting, it is described
Polygon follower lever（5）On be provided with bulge loop（6）, the bulge loop（6）With the body（1）Between be provided with spring（7）, special
Sign is：The body（1）On be provided with the cam（3）With the polygon follower lever（5）Bottom and the spring
（7）The closing vessel of encirclement（8）, the closing vessel（8）Inside it is provided with lubricating oil, the closing vessel（8）Inside be provided with by
It is directed at the cam（3）Nozzle（9）, the closing vessel（8）Bottom is provided with grease channel（10）, the lubricating oil is logical
Road（10）Connect the nozzle（9）, the grease channel（10）On be provided with pump（11）, the grease channel（10）On set
It is equipped with flow sensor（12）There is through-hole with middle part（13）Turnover disc（14）, the turnover disc（14）It is logical with the lubricating oil
Road（10）Pass through shaft（15）Rotation connection, the through-hole（13）Inside it is provided with the first filter cloth（16）, the shaft（16）With turn over
Rotating motor（17）Cooperation overturning, the grease channel（10）By the turnover disc（14）After be connected with clast recycling bins
（18）, the clast recycling bins（18）Interior horizontal partition is equipped with the second filter cloth（19）, the clast recycling bins（18）The interior profit
Oil pathway（10）Import be located at second filter cloth（19）Top, the clast recycling bins（18）The interior lubricating oil is logical
Road（10）Outlet be located at second filter cloth（19）Lower section, the clast recycling bins（18）Interior lubricating oil liquid level is less than institute
State the second filter cloth（19）, the polygon follower lever（5）Threaded upper ends are equipped with polygon mandril（20）, the polygon
Mandril（20）It is arranged with turntable outside（21）, the turntable（21）Rack gear is arranged in periphery（22）, the body（1）On be provided with benefit
Repay motor（23）, the small electromotor（23）Motor shaft on be provided with gear（24）, the gear（24）With the gear ring
（22）Engagement, the body（1）Inside it is provided with control device（25）, the control device（25）Connect the flow sensor
（12）, the small electromotor（23）, the upset motor（17）And the pump（11）.
2. a kind of compensation device of cam drive as described in claim 1, it is characterised in that：The polygon follower lever
（5）Bottom end is provided with idler wheel（26）.
3. a kind of compensation device of cam drive as described in claim 1, it is characterised in that：The closing vessel（8）
Bottom is to the grease channel（10）Locate recessed.
4. a kind of compensation method of the compensation device of cam drive as described in claim 1, it is characterised in that：Including with
Lower step：1, started with invariable power and pumped（11）, lubricating oil is from the nozzle（9）It sprays the cam（3）The clast of upper abrasion
Shower is to closing vessel bottom；2, flow sensor is set（12）Flux lower limit value, flow sensor（12）Detect lubricating oil
Channel（10）Interior flow of lubrication；3, work as flow sensor（12）When to flux lower limit, the control device（25）Control institute
State upset motor（17）Overturning 180 degree simultaneously controls the small electromotor（23）Rotation is so that the polygon mandril（20）Rise,
Wherein single reaches flux lower limit value and the small electromotor（23）Rotation is so that the polygon mandril（20）Climb
Relation value is experiment measured value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595928.7A CN108757886A (en) | 2018-06-11 | 2018-06-11 | A kind of compensation device of cam drive and its compensation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810595928.7A CN108757886A (en) | 2018-06-11 | 2018-06-11 | A kind of compensation device of cam drive and its compensation method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108757886A true CN108757886A (en) | 2018-11-06 |
Family
ID=64020972
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810595928.7A Pending CN108757886A (en) | 2018-06-11 | 2018-06-11 | A kind of compensation device of cam drive and its compensation method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108757886A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962257A (en) * | 2023-03-09 | 2023-04-14 | 缙云县博新机械有限公司 | Low-wear worm gear reduction box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102897584A (en) * | 2011-07-27 | 2013-01-30 | 上海耀科印刷机械有限公司 | Conjugate cam driving mechanism with error compensation function |
| JP5342605B2 (en) * | 2011-06-24 | 2013-11-13 | 日機装株式会社 | Non-pulsating pump |
| CN106065928A (en) * | 2016-06-29 | 2016-11-02 | 无锡康柏斯机械科技有限公司 | A kind of cam correction mechanism for ball screw assembly, journey error |
| CN106795780A (en) * | 2014-08-27 | 2017-05-31 | 蒂森克虏伯普利斯坦技术中心股份公司 | Camshaft adjuster for adjusting the position of at least one cam portion |
| CN207297773U (en) * | 2017-09-30 | 2018-05-01 | 四川工程职业技术学院 | A kind of quick compensator of main driving wheel |
-
2018
- 2018-06-11 CN CN201810595928.7A patent/CN108757886A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5342605B2 (en) * | 2011-06-24 | 2013-11-13 | 日機装株式会社 | Non-pulsating pump |
| CN102897584A (en) * | 2011-07-27 | 2013-01-30 | 上海耀科印刷机械有限公司 | Conjugate cam driving mechanism with error compensation function |
| CN106795780A (en) * | 2014-08-27 | 2017-05-31 | 蒂森克虏伯普利斯坦技术中心股份公司 | Camshaft adjuster for adjusting the position of at least one cam portion |
| CN106065928A (en) * | 2016-06-29 | 2016-11-02 | 无锡康柏斯机械科技有限公司 | A kind of cam correction mechanism for ball screw assembly, journey error |
| CN207297773U (en) * | 2017-09-30 | 2018-05-01 | 四川工程职业技术学院 | A kind of quick compensator of main driving wheel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115962257A (en) * | 2023-03-09 | 2023-04-14 | 缙云县博新机械有限公司 | Low-wear worm gear reduction box |
| CN115962257B (en) * | 2023-03-09 | 2023-08-22 | 缙云县博新机械有限公司 | Low-abrasion worm gear reduction box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181106 |
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| RJ01 | Rejection of invention patent application after publication |