CN209632784U - Conjugate cam error-compensating apparatus based on follow grinding - Google Patents
Conjugate cam error-compensating apparatus based on follow grinding Download PDFInfo
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- CN209632784U CN209632784U CN201920457731.7U CN201920457731U CN209632784U CN 209632784 U CN209632784 U CN 209632784U CN 201920457731 U CN201920457731 U CN 201920457731U CN 209632784 U CN209632784 U CN 209632784U
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- error
- compensating apparatus
- clamping groove
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- 230000000694 effects Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 6
- 230000021615 conjugation Effects 0.000 description 5
- 230000009897 systematic effect Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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Abstract
The utility model discloses the conjugate cam error-compensating apparatus based on follow grinding, belong to error-compensating apparatus field, its key points of the technical solution are that, including main cam, two cam swings and two toroidal rollers, the middle part of main cam is run through and is rotatably connected to central rotating shaft, the outer wall of central rotating shaft is arranged with auxiliary cam, auxiliary cam and main cam constitute a width conjugate cam, the top of two cam swings passes through bolted splice, the lower part of cam swing is run through and is rotatably connected to transmission shaft, cam swing is connect by transmission shaft with toroidal roller, transmission shaft is arranged with clamping ring close to one end outer wall of toroidal roller, clamping ring is flexible material；Two toroidal rollers are contacted with main cam and auxiliary cam respectively.Solving the problems, such as to need to adjust elastic mechanism repeatedly makes the elastic force generated just offset microsystem error, effectively improves the practicability of conjugate cam error compensation.
Description
Technical field
The utility model relates to error-compensating apparatus fields, in particular to the conjugate cam error compensation based on follow grinding
Device.
Background technique
In operation, major and minor cam face should always and roller contact for conjugate cam driving mechanism.But since part has system
Make error, there is rigging error in mechanism, and operation convexity wheel set has abrasion etc., so in real-world operation, conjugate cam be easy with
Roller generates gap, so that vibration is generated,
It is existing that cam error is compensated using elastic element, the machine of elastic element connection is used in major-minor cam swing arm part
Structure, most direct advantage are that the long precision of bar of part is easily guaranteed that, and its most fatal disadvantage is exactly to adjust relative difficulty.If
The adjusting of elastic component restoring force is excessive, then will increase the abrasion of mechanism, reduces life of product；Restoring force adjusting is too small, and cannot protect
Demonstrate,prove two cam bawls all moment contact conjugate cams；
So we need a kind of conjugate cam error-compensating apparatus based on follow grinding to solve the above problems.
Utility model content
In view of the deficienciess of the prior art, the purpose of the utility model is to provide the conjugate cam mistakes based on follow grinding
Difference compensating device, solve need to adjust repeatedly elastic mechanism make generate elastic force just offset asking for microsystem error
Topic, to effectively improve the practicability of conjugate cam error compensation.
The above-mentioned technical purpose of the utility model has the technical scheme that being total to based on follow grinding
Yoke cam error-compensating apparatus, including main cam, two cam swings and two toroidal rollers, the middle part of the main cam are run through
And it is rotatably connected to central rotating shaft, the outer wall of the central rotating shaft is arranged with auxiliary cam, and the auxiliary cam and main cam constitute one
The top of width conjugate cam, two cam swings is hinged, and the lower part of the cam swing is run through and is rotatably connected to transmission
Axis, the cam swing are connect by transmission shaft with toroidal roller, and the transmission shaft is arranged close to one end outer wall of toroidal roller
There is clamping ring, the clamping ring is flexible material；Two toroidal rollers are contacted with main cam and auxiliary cam respectively, the ring
Annular clamping groove is offered in the middle part of shape roller, the annular clamping groove extends from the inner circle of toroidal roller to outer circle, the ring
The internal diameter of shape clamping groove is greater than the outer diameter of clamping ring, and the internal diameter of the toroidal roller is less than the outer diameter of clamping ring, the annular snap
The internal activity of access slot is provided with abutment ring, and the clamping ring protrudes into annular clamping groove, and be embedded in abutment ring；It is described
Annular clamping groove is internally provided with the first butterfly spring and the second butterfly spring, first butterfly spring and the second butterfly bullet
One end of spring and the inner wall of annular clamping groove are fixed, and the other end is fixed with abutment ring, the number of coils of first butterfly spring
Greater than the number of coils of the second butterfly spring, first butterfly spring is located at the surface of abutment ring, the second butterfly bullet
Spring is located at the underface of abutment ring.
Further, the conjugate cam error-compensating apparatus further includes linking arm, and the lower part of the linking arm is set in
The outer ring of bolt, top offer connecting hole.
Further, the outer wall of the auxiliary cam offers multiple through-holes, to change the self weight of auxiliary cam.
Further, the outer wall of the clamping ring is provided with locating convex block, and the inner wall of the toroidal roller is along the vertical direction
It is provided with locating slot, the locating slot is located at the inside of annular clamping groove, described fixed when the clamping ring protrudes into annular clamping groove
Position convex block fastens with locating slot.
Further, the locating convex block is compressible.
Further, the transmission shaft is provided with limiting slot, the limiting slot and cam swing far from one end of abutment ring
Limited block in the slot of lower part fastens.
Further, the width of the abutment ring is equal to the width of annular clamping groove.
Further, the outer ring of the clamping ring is provided with circular arc chamfering.
Using the technical solution of the utility model, beneficial effect is: during vibration, the first butterfly spring synchronous compression
When, the elastic force of generation offsets the systematic error being amplified, and the first butterfly spring restores former long at this time, i.e. toroidal roller and conjugation is convex
Wheel contact solves the problems, such as to need to adjust elastic mechanism repeatedly and the elastic force generated is made just to offset microsystem error, from
And effectively improve the practicability of conjugate cam error compensation.
Detailed description of the invention
Fig. 1 shows the overall structure figure of the utility model；
Fig. 2 shows first cam swings of the utility model and the second cam swing structure chart；
Fig. 3 shows the toroidal roller sectional view of the utility model
Fig. 4 shows the assembly structure figure of first cam swing of the utility model, the second cam swing and toroidal roller.
Wherein, the above drawings include the following reference numerals:
10, main cam；11, auxiliary cam；111, through-hole；12, central rotating shaft；20, the first cam swing；22, transmission shaft；
23, limiting slot；24, it is clamped ring；241, locating convex block；30, toroidal roller；31, annular clamping groove；311, locating slot；32, it abuts
Ring；33, the first butterfly spring；34, the second butterfly spring；40, linking arm.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to this is practical
Novel and its application or any restrictions used.Based on the embodiments of the present invention, those of ordinary skill in the art are not having
Every other embodiment obtained under the premise of creative work is made, is fallen within the protection scope of the utility model.
As shown in Figures 1 to 4, the utility model provides the conjugate cam error-compensating apparatus based on follow grinding, packet
It includes 10, two cam swings 20 of main cam and two toroidal rollers 30, the middle part of main cam 10 is run through and be rotatably connected to center
Shaft 12, the outer wall of central rotating shaft 12 are arranged with auxiliary cam 11, and auxiliary cam 11 and main cam 10 constitute a width conjugate cam, and two
The top of cam swing 20 is hinged, and transmission shaft 22 is run through and be rotatably connected in the lower part of cam swing 20, and cam swing 20 passes through
Transmission shaft 22 is connect with toroidal roller 30, and transmission shaft 22 is arranged with clamping ring 24, clamping close to one end outer wall of toroidal roller 30
Ring 24 is flexible material；Two toroidal rollers 30 are contacted with main cam 10 and auxiliary cam 11 respectively, and the middle part of toroidal roller 30 is opened
Equipped with annular clamping groove 31, annular clamping groove 31 extends from the inner circle of toroidal roller 30 to outer circle, the internal diameter of annular clamping groove 31
Greater than the outer diameter of clamping ring 24, the internal diameter of toroidal roller 30 is less than the outer diameter of clamping ring 24, the internal activity of annular clamping groove 31
Be provided with abutment ring 32, clamping ring 24 protrudes into annular clamping groove 31, and be embedded in abutment ring 32；Annular clamping groove 31
It is internally provided with the first butterfly spring 33 and the second butterfly spring 34, one end of the first butterfly spring 33 and the second butterfly spring 34
It is fixed with the inner wall of annular clamping groove 31, the other end and abutment ring 32 are fixed, and the number of coils of the first butterfly spring 33 is greater than the
The number of coils of two butterfly springs 34, the first butterfly spring 33 are located at the surface of abutment ring 32, and the second butterfly spring 34 is located at
The underface of abutment ring 32.
Using the conjugate cam error-compensating apparatus provided by the utility model based on follow grinding, the outer snare of transmission shaft 22
If clamping ring 24 protrude into annular clamping groove 31, can be avoided transmission shaft 22 connect toroidal roller 30 when, occur it is axially displaced,
And clamping ring 24 is flexible material, can be protruded into annular clamping groove 31 convenient for clamping ring 24, by by annular clamping groove 31
Internal diameter be set greater than clamping ring 24 internal diameter, less than clamping ring 24 outer diameter, can guarantee be clamped ring 24 annular be clamped
While movement in slot 31, ring 24 is clamped without departing from annular clamping groove 31；
First butterfly spring 33 is to the elastic force that generates, when conjugate cam rotates and toroidal roller 30 is driven to rotate, due to
Vibration be easy to cause gap, thus generation system error, toroidal roller 30 is connect by transmission shaft 22 with cam swing 20, annular
Roller 30 is touched with conjugate cam, and multiple connection structures amplify systematic error, and amplified systematic error is by the first butterfly
The elastic force that spring 33 generates is offset, and elastic force excessive the problem of causing mechanism wear is avoided；
When clamping ring 24 and abutment ring 32 contact, referring to shown in Fig. 3, the gravity of clamping ring 24 moves down abutment ring 32,
First butterfly spring 33 restores former length, at this time toroidal roller 30 and conjugation cam contact, during vibration, the first butterfly spring
When 33 synchronous compression, the elastic force of generation offsets the systematic error being amplified, and the first butterfly spring 33 restores former length at this time, i.e., annular
Roller 30 and conjugation cam contact, solve need to adjust repeatedly elastic mechanism make generate elastic force just offset microsystem
The problem of error, to effectively improve the practicability of conjugate cam error compensation；
Wherein, it can be avoided abutment ring 32 by the second butterfly spring 34 directly to contact with the inner wall of clamping ring 24, thus
The noise that mechanism generates during exercise is slowed down, and the number of coils of the second butterfly spring 34 is less than the first butterfly spring 33
The number of coils, the elastic force that can be avoided the generation of the second butterfly spring 34 offsets the elastic force that the first butterfly spring 33 generates, to make
It obtains the first butterfly spring 33 and is able to carry out normal compensation system error.
For the specific structure of conjugate cam error-compensating apparatus, conjugate cam error-compensating apparatus further includes linking arm
40, the lower part of linking arm 40 is set in the outer ring of bolt, and top offers connecting hole.By linking arm 40, to connect output
Axis, to achieve the effect that transmission.
Wherein, as shown in Figure 1, the outer wall of auxiliary cam 11 offers multiple through-holes 111, to change auxiliary cam 11 from
Weight.The weight that 11 different parts of auxiliary cam are reduced by the way that multiple through-holes 111 are arranged, so as to avoid auxiliary cam 11 in use process
In due to gravity occur Caton the problem of.
Specifically, as shown in figure 3, the outer wall of clamping ring 24 is provided with locating convex block 241, the inner wall of toroidal roller 30 is along perpendicular
Histogram is located at the inside of annular clamping groove 31 to locating slot 311, locating slot 311 is provided with, and clamping ring 24 protrudes into annular clamping groove
When 31, locating convex block 241 fastens with locating slot 311.
It is fastened, can be limited with the locating slot 311 being arranged along 30 inner wall vertical direction of toroidal roller by locating convex block 241
Surely clamping ring 24 moves in the vertical direction, to improve stability of the transmission shaft 22 in transmission process.
Preferably, locating convex block 241 is compressible, can be moved in locating slot 311 convenient for locating convex block 241.
As shown in Fig. 2, transmission shaft 22 is provided with limiting slot 23, limiting slot 23 and cam swing far from one end of abutment ring 32
Limited block in 20 lower part slots fastens.It is not shown in the figure and is fastened with limited block by limiting slot 23, can be improved transmission
The stability that axis 22 is connect with cam swing 20.
Further, the width of abutment ring 32 is equal to the width of annular clamping groove 31, can be avoided abutment ring 32 in level
It is moved on direction, to improve 32 using effect of abutment ring.
Wherein, it as shown in figure 4, the outer ring of clamping ring 24 is provided with circular arc chamfering, is contacted in clamping ring 24 with abutment ring 32
When, face contact can be changed into line contact, to reduce the frictional force that clamping ring 24 is contacted with abutment ring 32, effectively subtracted
The noise generated by friction is lacked.
It can be seen from the above description that the specific application method of the utility model the above embodiments and work are former
It manages as follows: firstly, the clamping ring 24 that 22 outer ring of transmission shaft is arranged protrudes into annular clamping groove 31, can be avoided the connection of transmission shaft 22
When toroidal roller 30, generation is axially displaced, and being clamped ring 24 is flexible material, can protrude into annular clamping convenient for clamping ring 24
In slot 31, by the way that the internal diameter of annular clamping groove 31 to be set greater than to the internal diameter of clamping ring 24, less than the outer diameter of clamping ring 24, energy
While enough guarantee clamping rings 24 move in annular clamping groove 31, ring 24 is clamped without departing from annular clamping groove 31, then, is blocked
It connects ring 24 and when abutment ring 32 contacts, the gravity of clamping ring 24 moves down abutment ring 32, and the first butterfly spring 33 restores former length,
Toroidal roller 30 and conjugation cam contact at this time, and then, when conjugate cam rotates and generates vibration process, the first butterfly spring
33 synchronous compressions, the elastic force of generation offset the systematic error being amplified, and the first butterfly spring 33 restores former length at this time, i.e. annular rolling
Son 30 with conjugation cam contact, solve need to adjust repeatedly elastic mechanism make generate elastic force just offset microsystem mistake
The problem of difference, to effectively improve the practicability of conjugate cam error compensation, and then, the second butterfly spring 34 can be kept away
Exempt from abutment ring 32 directly to contact with the inner wall of clamping ring 24, to slow down the noise that mechanism generates during exercise.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or their combination.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the utility model processed of formula and numerical value.Simultaneously, it should be appreciated that for ease of description, each shown in attached drawing
The size of a part is not to draw according to actual proportionate relationship.For skill known to person of ordinary skill in the relevant
Art, method and apparatus may be not discussed in detail, but in the appropriate case, and the technology, method and apparatus should be considered as awarding
Weigh part of specification.In shown here and discussion all examples, any occurrence should be construed as merely example
Property, not as limitation.Therefore, the other examples of exemplary embodiment can have different values.It should also be noted that similar
Label and letter similar terms are indicated in following attached drawing, therefore, once be defined in a certain Xiang Yi attached drawing, then with
In attached drawing afterwards do not need that it is further discussed.
In the description of the present invention, it should be understood that the noun of locality such as " front, rear, top, and bottom, left and right ", " laterally,
Vertically, vertically, it is horizontal " and " pushing up, bottom " etc. indicated by orientation or positional relationship be normally based on orientation or position shown in the drawings
Relationship is set, is merely for convenience of describing the present invention and simplifying the description, in the absence of explanation to the contrary, these nouns of locality
Do not indicate that and imply that signified device or element must have a particular orientation or be constructed and operated in a specific orientation, because
This should not be understood as the limitation to scope of protection of the utility model；The noun of locality " inside and outside " refers to the wheel relative to each component itself
Wide is inside and outside.
For ease of description, spatially relative term can be used herein, as " ... on ", " ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other
The spatial relation of device or feature.It should be understood that spatially relative term is intended to comprising in addition to device is retouched in figure
Different direction in use or operation except the orientation stated.For example, being described as if the device in attached drawing is squeezed
It will be positioned as after the device of " above other devices or construction " or " on other devices or construction " " in other devices
Or construction lower section " or " under other devices or construction ".Thus, exemplary term " ... top " may include
" in ... top " and " in ... lower section " two kinds of orientation.The device can also be positioned with other different modes and (be rotated by 90 ° or locate
In other orientation), and respective explanations are made to the opposite description in space used herein above.
In addition, it should be noted that, limiting components using the words such as " first ", " second ", it is only for be convenient for
Corresponding components are distinguished, do not have Stated otherwise such as, there is no particular meanings for above-mentioned word, therefore should not be understood as to this
The limitation of utility model protection range.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (8)
1. the conjugate cam error-compensating apparatus based on follow grinding, including main cam (10), two cam swings (20) and two
The middle part of a toroidal roller (30), the main cam (10) is run through and is rotatably connected to central rotating shaft (12), the central rotating shaft
(12) outer wall is arranged with auxiliary cam (11), and the auxiliary cam (11) and main cam (10) constitute a width conjugate cam, feature
It is:
The top of two cam swings (20) is hinged, and the lower part of the cam swing (20) is run through and is rotatably connected to transmission
Axis (22), the cam swing (20) are connect by transmission shaft (22) with toroidal roller (30), and the transmission shaft (22) leans on near-ring
One end outer wall of shape roller (30) is arranged with clamping ring (24), and the clamping ring (24) is flexible material；
Two toroidal rollers (30) contact with main cam (10) and auxiliary cam (11) respectively, in the toroidal roller (30)
Portion offers annular clamping groove (31), and the annular clamping groove (31) extends from the inner circle of toroidal roller (30) to outer circle, described
The internal diameter of annular clamping groove (31) is greater than the outer diameter of clamping ring (24), and the internal diameter of the toroidal roller (30) is less than clamping ring (24)
Outer diameter, it is described annular clamping groove (31) internal activity be provided with abutment ring (32), the clamping ring (24) protrudes into annular snap
In access slot (31), and it is interior in abutment ring (32) with being embedded；
The annular clamping groove (31) is internally provided with the first butterfly spring (33) and the second butterfly spring (34), and described first
One end of butterfly spring (33) and the second butterfly spring (34) and the inner wall of annular clamping groove (31) are fixed, the other end and abutment ring
(32) fixed, the number of coils of first butterfly spring (33) is greater than the number of coils of the second butterfly spring (34), and described the
One butterfly spring (33) is located at the surface of abutment ring (32), second butterfly spring (34) be located at abutment ring (32) just under
Side.
2. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: described total
Yoke cam error-compensating apparatus further includes linking arm (40), and the lower part of the linking arm (40) is set in the outer ring of bolt, top
Offer connecting hole.
3. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: the pair
The outer wall of cam (11) offers multiple through-holes (111), to change the self weight of auxiliary cam (11).
4. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: the card
The outer wall for connecing ring (24) is provided with locating convex block (241), and the inner wall of the toroidal roller (30) is provided with positioning along the vertical direction
Slot (311), the locating slot (311) are located at the inside of annular clamping groove (31), and the clamping ring (24) protrudes into annular clamping groove
(31) when, the locating convex block (241) fastens with locating slot (311).
5. the conjugate cam error-compensating apparatus according to claim 4 based on follow grinding, it is characterised in that: described fixed
Position convex block (241) is compressible.
6. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: the biography
Moving axis (22) is provided with limiting slot (23) far from the one end of abutment ring (32), the limiting slot (23) and cam swing (20) lower part
Limited block in slot fastens.
7. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: described to support
The width for connecing ring (32) is equal to the width of annular clamping groove (31).
8. the conjugate cam error-compensating apparatus according to claim 1 based on follow grinding, it is characterised in that: the card
The outer ring for connecing ring (24) is provided with circular arc chamfering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457731.7U CN209632784U (en) | 2019-04-04 | 2019-04-04 | Conjugate cam error-compensating apparatus based on follow grinding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920457731.7U CN209632784U (en) | 2019-04-04 | 2019-04-04 | Conjugate cam error-compensating apparatus based on follow grinding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209632784U true CN209632784U (en) | 2019-11-15 |
Family
ID=68497388
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920457731.7U Withdrawn - After Issue CN209632784U (en) | 2019-04-04 | 2019-04-04 | Conjugate cam error-compensating apparatus based on follow grinding |
Country Status (1)
| Country | Link |
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| CN (1) | CN209632784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
-
2019
- 2019-04-04 CN CN201920457731.7U patent/CN209632784U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109877705A (en) * | 2019-04-04 | 2019-06-14 | 吉安职业技术学院 | Conjugate cam error-compensating apparatus based on follow grinding |
| CN109877705B (en) * | 2019-04-04 | 2024-01-02 | 吉安职业技术学院 | Conjugate cam error compensation device based on follow-up grinding |
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Granted publication date: 20191115 Effective date of abandoning: 20240102 |
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