CN106624745B - Idler wheel assembly positioning device - Google Patents
Idler wheel assembly positioning device Download PDFInfo
- Publication number
- CN106624745B CN106624745B CN201510729941.3A CN201510729941A CN106624745B CN 106624745 B CN106624745 B CN 106624745B CN 201510729941 A CN201510729941 A CN 201510729941A CN 106624745 B CN106624745 B CN 106624745B
- Authority
- CN
- China
- Prior art keywords
- holding cup
- slot
- idler wheel
- holding
- positioning device
- 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.)
- Expired - Fee Related
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/04—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for assembling or disassembling parts
Abstract
A kind of idler wheel assembly positioning device includes a roller body, multiple rolling assemblies and an attachment material.The roller body has multiple holding cup slots for being located on an outer peripheral surface, and is equipped with a trimming groove for being connected to holding cup slot in a slot bottom of the respectively holding cup slot.Respectively the rolling assembly have one be installed in holding cup slot holding cup, one can roll to be set to freely and catch on cup and protrude out the ball of roller body outer peripheral surface, and one be placed in holding cup and the magnetic part of neighbouring ball, the width of the holding cup is less than the groove width of the holding cup slot, makes to be formed with a gap between the two.The attachment material is filled in aforementioned gap, is accurately being adjusted aforementioned rolling assembly through trimming groove to the installation site in holding cup slot, then so that holding cup is positioned in holding cup slot by attachment material.
Description
Technical field
The invention relates to a kind of idler wheels, simple in particular to a kind of production, can save cost of manufacture, and assemble
Idler wheel assembly positioning device with high accuracy.
Background technique
In the transmission system of various machinery, using gear-box by motor rotary speed be decelerated to setting revolution speed, and obtain compared with
Big output torque has been a kind of known technology, and by taking general common worm screw turbine gear-box as an example, structure is by tooth
Wheel is formed with engaging for worm screw, the machinery of this marriage relation, with high torsion, high reduction ratio and the spy for being easy production
Color, but disadvantage is to be easy abrasion between component, and then generates back clearance, so that positioning accuracy is not superior enough.
For solve the problems, such as gearbox components easily wear away caused by positioning accuracy it is poor, the patent of the U.S. the 7th, 793,567
A kind of revealed driving mechanism of roller (Roller Drive), be using roller of the configuration on a turntable periphery with
Helical form gutter engagement on worm screw, since roller is the contact for being in " line " with worm screw, so compared to aforementioned turbine and worm
Drive mechanism, such mechanical structure more have both low abrasion, zero back clearance other than still having the characteristic of high torsion, high reduction ratio,
And the high advantage of transmission positioning accuracy, but the disadvantage is that manufacturing cost is very high, because roller is to contact with worm screw in " line " shape, institute
It is had to considerably precisely with the interval angles (indexing is poor) of the assembling hole slot of each roller, turntable, which is just able to maintain, swimmingly to be turned
It is dynamic, so, it is extremely difficult in manufacture, at high cost.
In addition, the patent of the U.S. the 8th, 549,947 further discloses a kind of driving mechanism (Ball of ball-type
Drive), this driving mechanism is compared with Roller Drive, mainly replaces above-mentioned roller with ball, thus have with
Roller drives same advantage, but disadvantage is equally that production assembling is not easy, because ball is in addition to needing group to enter the ball hole slot of turntable,
It to be also able to maintain after positioning and be rolled in worm screw gutter, so, the opposite machining accuracy for obtaining ball hole slot is with regard to quite high
(usually 1 μm or so), so that more difficult than roller mechanical structure in manufacture, processing, which assembles, to be less susceptible to.
Therefore, the driving structure of existing ball/roller formula no doubt has high position precision, low mill compared with turbine and worm structure
The advantages of consumption and zero back clearance, still, both because having required positioning accuracy, so then cause to increase difficulty in manufacture, this
It is also the two main cause with high costs.
Summary of the invention
The purpose of the present invention is to provide a kind of idler wheel assembly positioning devices, accurately adjust rolling assembly through trimming groove
After the whole installation site in holding cup slot, attachment material is first borrowed to be fixed in holding cup in advance in holding cup slot, it is subsequent to carry out table again
Face cleaning, baking all solidstate, it is simple to obtain production, and the effect that positioning accuracy is high.
In order to achieve the above object, solution of the invention is:
A kind of idler wheel assembly positioning device, the idler wheel supply to be engaged transmission with a worm screw, which includes:
One roller body has multiple holding cup slots for being located on an outer peripheral surface, and the slot in the respectively holding cup slot
Bottom is equipped with a trimming groove for being connected to the holding cup slot;
Multiple rolling assemblies, respectively with one be installed in the holding cup slot holding cup, one can roll and be set to freely
On the holding cup and protrudes out the ball of the roller body outer peripheral surface and one be placed in the holding cup and the magnetism of the neighbouring ball
Part, the width of the holding cup are less than the groove width of the holding cup slot, make to be formed with a gap between the two;
One attachment material, is filled in aforementioned gap, through the trimming groove and by aforementioned rolling assembly accurately adjust to
After installation site in the holding cup slot, then the holding cup is set to be positioned in the holding cup slot by the attachment material.
Further, the gap size between the holding cup and the holding cup slot is 10~30 μm.
Further, which can be the viscose for including UV sizing material.
Further, and the attachment material irradiated by UV light source the holding cup is made it is initial pre- solid, it is subsequent to carry out surface again
Cleaning, baking all solidstate, are incorporated into the holding cup slot of the roller body so that the rolling assembly is firm.
A kind of idler wheel assembly positioning device, the idler wheel supply to make engaged transmission with a worm screw, which includes:
One roller body has multiple holding cup slots set on outer peripheral surface, and sets in a slot bottom of the respectively holding cup slot
There is a trimming groove for being connected to the holding cup slot;
Multiple rolling assemblies are respectively hubbed on the holding cup with a holding cup being installed in the holding cup slot and one
And the roller of the roller body outer peripheral surface is protruded out, the width of the holding cup is less than the groove width of the holding cup slot, makes between the two
It is formed with a gap;
One attachment material, is filled in aforementioned gap, through the trimming groove and by aforementioned rolling assembly accurately adjust to
Catch cup slot in installation site after, then by the attachment material enable catch cup be positioned in the holding cup slot.
Further, the gap size between the holding cup and the holding cup slot is 10~30 μm.
Further, which can be the viscose for including UV sizing material.
Further, and the attachment material irradiated by UV light source the holding cup is made it is initial pre- solid, it is subsequent to carry out surface again
Cleaning, baking all solidstate, are incorporated into the holding cup slot of the roller body so that the rolling assembly is firm.
In conclusion for solves the problems, such as existing ball/roller formula drive idler wheel have manufacture processing difficulties with it is with high costs.
Idler wheel assembly positioning device of the invention makes high-precision holding cup and ball in a manner of being opened, and holding cup and ball is pre-
It first organizes, then lower shrinkage, resistance to lubricating oil, high-intensitive attachment material filling is caught in cup slot, so rolling assembly enters in group
It catches after cup slot, that is, can pass through trimming groove and accurately adjust rolling assembly to the installation site in holding cup slot, first borrow attachment
Material is fixed in holding cup in advance in holding cup slot through the irradiation of UV light source, subsequent to carry out removing surface, baking all solidstate again, to obtain
Production is simple, and the effect that positioning accuracy is high.
Detailed description of the invention
Fig. 1 is the stereoscopic figure of the first preferred embodiment of idler wheel assembly positioning device of the invention;
Fig. 2 is a plan view of the idler wheel assembly positioning device;
Fig. 3 is a partial enlarged view of the idler wheel in the first embodiment;
Fig. 4 is the stereoscopic figure of the second preferred embodiment of idler wheel assembly positioning device of the invention;
Fig. 5 is a partial enlarged view of the idler wheel in the second embodiment.
[symbol description]
1 idler wheel, 2 worm screw
10 roller bodies 11 holding cup slot
111 outer peripheral surface, 112 slot bottom
12 trimming groove, 20 rolling assembly
21 holding 22 balls of cup
23 magnetic part, 30 attachment material
40 gap, 50 rolling assembly
51 holding 52 rollers of cup.
Specific embodiment
In order to further explain the technical solution of the present invention, being explained in detail below by specific embodiment the present invention
It states.
Referring to FIG. 1 and FIG. 2 shown in, the first preferred embodiment of idler wheel assembly positioning device of the invention, the idler wheel 1 for
One worm screw 2 is engaged transmission, is driven various mechanical structure to provide.The idler wheel 1 includes a roller body 10, multiple rollings
Component 20 and an attachment material 30.
Shown in continuous reference Fig. 3, which has multiple holding cup slots for being located on an outer peripheral surface 111 at equal intervals
11, and it is equipped with a trimming groove 12 for being connected to the holding cup slot 11 in a slot bottom 112 of the respectively holding cup slot 11, in this implementation
In example, aforementioned holding cup slot 11 is trapezoidal shape with a narrow upper and lower width, and is production easy to process, and holding cup slot 11 can be using punching
Pressure or broaching layout molding.
The respectively rolling assembly 20 respectively there is a holding cup 21, one being installed in the holding cup slot 11 can roll freely
It is set on the holding cup 21 and protrudes out the ball 22 of 10 outer peripheral surface 111 of roller body and one be placed in the holding cup 21
And the magnetic part 23 of the neighbouring ball 22, it is acted on by the strength magnetic of the magnetic part 23, to stablize adsorption ball 22, allows ball
Both 22 can not directly deviate from from holding cup 21, in addition, the width of the holding cup 21 is less than the groove width of the holding cup slot 11, make
Between form a gap 40.Further, the gap 40 between the holding cup 21 and the holding cup slot 11 is having a size of 10~30 μ
M or so is directly placed in the holding cup slot 11 except the holding cup 21 is conducive to, and makes the holding cup 21 in holding cup slot 11
Still possess adjustment nargin in position appropriate.In addition, in order to reduce the respectively tolerance of rolling assembly 20 dimensionally, each rolling group
Part 20 is high-precision holding cup 21 and ball 22 to be produced in a manner of die sinking, and it is in be embedded in the holding cup that the magnetic part 23, which is,
In 21.
The attachment material 30, is filled in aforementioned gap 40, through the trimming groove 12 that aforementioned rolling assembly 20 is smart
It really adjusts to the installation site in holding cup slot 11, then so that holding cup 21 is positioned at the holding by the attachment material 30
In cup slot 11.In the present embodiment, which can be the combined type sizing material with UV glue (UV glue) composition, material
Characteristic be, ultraviolet radiator irradiation under make within 1 to 5 second primary solidification, completion can be sticked together within 20 to 30 seconds, and through irradiating
It can reach higher-strength later.In addition, the attachment material 30 is with lower shrinkage, resistance to lubricity and the spy for cohering rear high intensity
Property.
The production assembling mode of idler wheel assembly positioning device of the invention is first to process respectively should in the roller body 10
Catch cup slot 11, holding cup slot 11 machining accuracy do not need to ask be too high, but allow holding the shape in a manner of roughing of cup slot 11
Gap is adjusted at slightly larger dimensions, then, which is injected in the holding cup slot 11, then enters to have rolling by preparatory group
The holding cup 21 of pearl 22 is placed in the holding cup slot 11, and due to the holding cup slot 11 be connected with the trimming groove 12, in addition
The gap 40 is reserved between the holding cup 21 and the holding cup slot 11, so, assembler can utilize an automation equipment (figure
Do not show, such as mechanical arm) it protrudes into the trimming groove 11, the fine tuning for directly to carry out three axis orientation to holding cup 21 is installed, and is allowed
Ball 22 on holding cup 21 can be adjusted to correct installation site, then, UV light source be recycled to irradiate the attachment material
30, enable holding cup 21 by precuring on holding cup slot 11, then, removes the overflowed residue glue in surface, finally pushed again into baking
Roasting equipment is toasted, and 30 all solidstate of attachment material is made, can be by 20 stable bond of rolling assembly in the roller body 10
Holding cup slot 11 in, it is simple to reach production, and be accurately positioned the purpose of assembling.
Additionally, holding cup 21 above-mentioned is in addition to can be to irradiate the pre- solid mode in holding cup slot 11 of UV light
Except, it can also be reached using laser welding mode.
As shown in Figure 4, Figure 5, the second preferred embodiment of idler wheel assembly positioning device of the invention, the idler wheel 1 supply and one
Worm screw 2 is engaged transmission, is driven various mechanical structure to provide.The idler wheel 1 includes a roller body 10, multiple rolling groups
Part 50 and an attachment material 30.In the second embodiment, the roller body 10 of the idler wheel 1 has the holding cup slot 11 and the fine tuning
Slot 12 is all identical as aforementioned first embodiment, this is repeated no more.And respectively the rolling assembly 50 has one to be installed in the holding cup slot
Holding cup 51 and one in 11 are hubbed on the holding cup 51 and protrude out the roller 52 of 10 outer peripheral surface 111 of roller body, and
The width of the holding cup 51 is less than the groove width of the holding cup slot 11, makes to be formed with a gap 40 between the two.The second embodiment
In the rolling assembly 50 of the idler wheel 1 be roller-type, production, usage mode and the effect reached all with previous embodiment
It is identical, no longer add to illustrate.
In conclusion high-accuracy ball must be produced on idler wheel to solve existing ball/roller formula driving structure
(column) hole slot, and because manufacturing difficult and with high costs problem caused by indexing difference.Idler wheel assembly positioning device of the invention,
Because of the ball 22(roller 52 of each rolling assembly 20(50)) and holding cup 21(51) it is to finely tune to reach 1 by automatic precision
μm precision, resolidification is installed in the roller body 10, so, in the part of roller body 10, without especially with high precision
Processing method molds the respectively holding cup slot 11, the rolling assembly 20(50 that high-precision can be cooperated to make), it has been provided with assembling
The idler wheel 1 of high manufacturing accuracy.In addition, the present invention is arranged by the trimming groove 12 inside the holding cup slot 11, in favor of the rolling
Component 20(50) make Precision trimming to correct assembled position, more have the adjustment of 10~30 μm or so ranges by the gap 40,
So that each rolling assembly 20(50) on the fine-tuned and accurate holding cup slot 11 for being fixed on the roller body 10, it is each to ensure
Ball 22(roller 52) between indexing difference it is more accurate, therefore the present invention can not only solve idler wheel machining accuracy and ball essence
The problem of spending tolerance, more easy and cost of manufacture is lower in production, more has both the advantages of being improved yield.
The above, several preferred embodiments only of the invention, when the model implemented of the present invention cannot be limited with this
It encloses, i.e., it, all should be still generally according to simple equivalent changes and modifications made by scope of the present invention patent and invention description content
It remains within the scope of the patent.
Claims (8)
1. a kind of idler wheel assembly positioning device, which supplies to be engaged transmission with a worm screw, which is characterized in that the idler wheel includes
Have:
One roller body has multiple holding cup slots for being located on an outer peripheral surface, and sets in a slot bottom of the respectively holding cup slot
There is a trimming groove for being connected to the holding cup slot;
Multiple rolling assemblies, respectively with one be installed in the holding cup slot holding cup, one can roll and be set to this freely and hold
On ball cup and protrudes out the ball of the roller body outer peripheral surface and one is placed in the holding cup and the magnetic part of the neighbouring ball,
The width of the holding cup is less than the groove width of the holding cup slot, makes to be formed with a gap between the two;
One attachment material, is filled in aforementioned gap, accurately adjusts to this aforementioned rolling assembly through the trimming groove and holds
After installation site in ball cup slot, then the holding cup is set to be positioned in the holding cup slot by the attachment material.
2. idler wheel assembly positioning device as described in claim 1, it is characterised in that: between the holding cup and the holding cup slot
Gap size is 10~30 μm.
3. idler wheel assembly positioning device as described in claim 1, it is characterised in that: the attachment material is to include sticking for UV sizing material
Glue.
4. idler wheel assembly positioning device as claimed in claim 3, it is characterised in that: the attachment material by UV light source irradiate and
It is initial to holding cup work pre- solid, it is subsequent to carry out removing surface, baking all solidstate again, so that the rolling assembly is firm to be incorporated into this
In the holding cup slot of roller body.
5. a kind of idler wheel assembly positioning device, which is supplied and a worm screw makees engaged transmission, which is characterized in that the idler wheel includes
Have:
One roller body has multiple holding cup slots for being located on an outer peripheral surface, and sets in a slot bottom of the respectively holding cup slot
There is a trimming groove for being connected to the holding cup slot;
Multiple rolling assemblies are respectively hubbed at a holding cup being installed in the holding cup slot and one on the holding cup and convex
The roller of the roller body outer peripheral surface is stretched out, the width of the holding cup is less than the groove width of the holding cup slot, makes to be formed between the two
There is a gap;
One attachment material, is filled in aforementioned gap, accurately adjusts aforementioned rolling assembly to holding through the trimming groove
Cup slot in installation site after, then by the attachment material enable catch cup be positioned in the holding cup slot.
6. idler wheel assembly positioning device as claimed in claim 5, it is characterised in that: between the holding cup and the holding cup slot
Gap size is 10~30 μm.
7. idler wheel assembly positioning device as claimed in claim 5, it is characterised in that: the attachment material is to include sticking for UV sizing material
Glue.
8. idler wheel assembly positioning device as claimed in claim 7, it is characterised in that: the attachment material by UV light source irradiate and
It is initial to holding cup work pre- solid, it is subsequent to carry out removing surface, baking all solidstate again, so that the rolling assembly is firm to be incorporated into this
In the holding cup slot of roller body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510729941.3A CN106624745B (en) | 2015-11-02 | 2015-11-02 | Idler wheel assembly positioning device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201510729941.3A CN106624745B (en) | 2015-11-02 | 2015-11-02 | Idler wheel assembly positioning device |
Publications (2)
Publication Number | Publication Date |
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CN106624745A CN106624745A (en) | 2017-05-10 |
CN106624745B true CN106624745B (en) | 2019-05-17 |
Family
ID=58809580
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CN201510729941.3A Expired - Fee Related CN106624745B (en) | 2015-11-02 | 2015-11-02 | Idler wheel assembly positioning device |
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CN (1) | CN106624745B (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110219959B (en) * | 2019-06-14 | 2021-03-30 | 成都中良川工科技有限公司 | Worm wheel |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320889A1 (en) * | 1982-06-12 | 1983-12-22 | Kazuo Seto Aichi Fujita | ROLL SCREW |
CN2357177Y (en) * | 1998-11-13 | 2000-01-05 | 大连理工大学 | Rotary face envelope rolling type point engagement ring surface worm gearing |
US6279219B1 (en) * | 1998-09-24 | 2001-08-28 | Takahiro Engineering Works Ltd. | Roller turret including rollers mounted on support portions of roller shafts, which are eccentric with respect to stud portions fixed in holes in turret body, and method of manufacturing the roller turret |
CN101290042A (en) * | 2008-04-14 | 2008-10-22 | 西华大学 | Lateral clearance-free double roller enveloped worm transmission device |
CN101371060A (en) * | 2006-01-26 | 2009-02-18 | 旋转控制传动有限责任公司 | Worm-gear assembly having a pin raceway |
US8549947B2 (en) * | 2008-03-03 | 2013-10-08 | Meko Seiki Inc. | Ball speed reducer and rotary table device using the same |
TW201416582A (en) * | 2012-10-19 | 2014-05-01 | Autocam Technology Co Ltd | Cam follower fixing structure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4857241B2 (en) * | 2006-10-31 | 2012-01-18 | 有限会社メーコー精機 | Mechanical device and drive body holding mechanism thereof |
-
2015
- 2015-11-02 CN CN201510729941.3A patent/CN106624745B/en not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3320889A1 (en) * | 1982-06-12 | 1983-12-22 | Kazuo Seto Aichi Fujita | ROLL SCREW |
US6279219B1 (en) * | 1998-09-24 | 2001-08-28 | Takahiro Engineering Works Ltd. | Roller turret including rollers mounted on support portions of roller shafts, which are eccentric with respect to stud portions fixed in holes in turret body, and method of manufacturing the roller turret |
CN2357177Y (en) * | 1998-11-13 | 2000-01-05 | 大连理工大学 | Rotary face envelope rolling type point engagement ring surface worm gearing |
CN101371060A (en) * | 2006-01-26 | 2009-02-18 | 旋转控制传动有限责任公司 | Worm-gear assembly having a pin raceway |
US8549947B2 (en) * | 2008-03-03 | 2013-10-08 | Meko Seiki Inc. | Ball speed reducer and rotary table device using the same |
CN101290042A (en) * | 2008-04-14 | 2008-10-22 | 西华大学 | Lateral clearance-free double roller enveloped worm transmission device |
TW201416582A (en) * | 2012-10-19 | 2014-05-01 | Autocam Technology Co Ltd | Cam follower fixing structure |
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