CN209598967U - It is a kind of for modifying the diamond roller of cycloid rotor - Google Patents
It is a kind of for modifying the diamond roller of cycloid rotor Download PDFInfo
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- CN209598967U CN209598967U CN201920229098.6U CN201920229098U CN209598967U CN 209598967 U CN209598967 U CN 209598967U CN 201920229098 U CN201920229098 U CN 201920229098U CN 209598967 U CN209598967 U CN 209598967U
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- diamond roller
- cycloid rotor
- grinding surface
- modifying
- grinding
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Abstract
The utility model discloses a kind of for modifying the diamond roller of cycloid rotor, is related to diamond roller technical field, it is intended to solve the cycloid rotor of sintering processing because of the problem of processing temperature height, is also easy to produce sintering warpage, and cycloid rotor precision is affected.Its key points of the technical solution are that including cylindrical wheel body, along length direction, perforation is provided with axis hole in the center of the wheel body, it is provided with grinding surface on the lateral wall of the wheel body, the camber protrusion outwardly protruded, the camber protrusion and grinding surface rounding off are provided in the middle part of the grinding surface.The utility model has achieved the purpose that improve cycloid rotor machining accuracy.
Description
Technical field
The utility model relates to the technical fields of diamond roller, more particularly, to a kind of for modifying the gold of cycloid rotor
Hard rock idler wheel.
Background technique
Diamond roller is a kind of dressing tool by grinding wheel duplication own profile to processed piece surface.It will be golden
Hard rock idler wheel is mounted on the trimming device of grinding machine, diamond roller trimming conventional ceramic grinding wheel or CBN grinding wheel, after abrasive wheel forming
It regrinds and cuts part, so that the appearance profile of diamond roller and precision, size are copied to processed parts list by grinding wheel
Face.
Cycloid rotor pump is widely used in system pressure fuel feeding and greasing cycle fueling technology field, and wherein cycloid rotor is
Engage one of the core component of fuel feeding.
Existing Authorization Notice No. is that the Chinese patent of CN104674111B discloses a kind of powder metallurgy sintered gear, it is
For in the driver of building doors and windows, driver include shell, the intracorporal gear of insertion shell, with the rack gear of gear engaged transmission with
And the pull rod connecting with rack gear, gear and/or rack gear are formed by powder metallurgy sintered, preparation process is: first weighing a certain amount of
Then the powder metallurgy raw material is put into mixing machine and be mixed by gear powder metallurgy raw material, then mixed by after mixing
Conjunction metallurgical powder, which is fitted into mold, to be pressed, and is sintered, is cooled down.The present invention greatly improves the performance of gear, effectively keeps away
Exempt from fractureing for gear, enhances wearability.
Prior art among the above has the following deficiencies: that sintering process is that green part is placed in sintering furnace, in nitrogen
In the protective atmosphere of gas, first at 750-800 DEG C, it is pre-sintered 30-35 minutes；Then 1280-1300 DEG C is increased the temperature to, heating
Rate is 20-25 DEG C/min, and temperature keeps sintering 140-145 minutes after stablizing；It is finished again after being cooled to room temperature.Sintering
The gear of processing is also easy to produce sintering warpage because processing temperature is high, and the accuracy of gear is affected, be unable to reach requirement size and
Geometrical Tolerance Principle.When similarly, using above-mentioned sintered gear(s) processing rotor, the precision of rotor also will receive influence, therefore have
Wait be further improved.
Utility model content
The purpose of the utility model is to provide a kind of for modifying the diamond roller of cycloid rotor, has and improves processing
The effect of precision.
The above-mentioned purpose of utility model of the utility model has the technical scheme that
It is a kind of for modifying the diamond roller of cycloid rotor, including cylindrical wheel body, the center of the wheel body along from
The perforation of body length direction is provided with axis hole, and grinding surface is provided on the lateral wall of the wheel body, is provided in the middle part of the grinding surface
The camber protrusion outwardly protruded, the camber protrusion and grinding surface rounding off.
By using above-mentioned technical proposal, axis hole is set on the transmission mechanism of driving diamond roller rotation, simultaneously
Diamond roller rotation is driven by transmission mechanism, controls diamond roller constantly close to grinding wheel, so that grinding surface and sand
Wheel contact, and continuous surfaces of grinding wheels recycle grinding wheel numerical control grinding cycloid rotor, phase to realize restoring on line grinding wheel
Than sintering process, processing temperature is lower, reduces the deformation quantity of cycloid rotor, to improve machining accuracy.
The utility model is further arranged to: the limited block positioned at camber protrusion two sides is provided in the grinding surface, institute
The height for stating limited block is 0.5mm.
By using above-mentioned technical proposal, limited block limitation grinding wheel is moved left and right, facilitate diamond roller to grinding wheel into
Row is ground, and is regrinded after abrasive wheel forming and is cut part, to pass through grinding wheel and replicate the appearance profile of diamond roller and precision, size
To processed piece surface, to improve the precision of grinding.
The utility model is further arranged to: the limited block is provided with 45 ° of chamferings far from the side of camber protrusion.
By using above-mentioned technical proposal, chamfering makes the grinding surface edge of diamond roller more round and smooth, so that Buddha's warrior attendant
Stone idler wheel is not easy damage of colliding with, and extends the service life of diamond roller.
The utility model is further arranged to: the limited block is provided with inclined surface close to the side of camber protrusion, described
Angle between inclined surface and grinding surface is obtuse angle.
By using above-mentioned technical proposal, inclined surface seamlessly transits grinding surface and limited block, reduces workpiece surface
Gouge is collided, the Forming Quality of processing is improved.
The utility model is further arranged to: the shaft hole diameter is 52mm, and the diameter of the lateral wall of the wheel body is
130mm。
By using above-mentioned technical proposal, so that there is wheel body enough mechanical strengths to generate support work to grinding surface
With the stability of increase diamond roller structure.
The utility model is further arranged to: the both ends of the surface edge of the axis hole is provided with chamfering.
By using above-mentioned technical proposal, chamfering is arranged so that sharp end angle is not present in axis hole inner sidewall, while can also increase
The surface area of big axis hole, enhances the frictional force between axis hole and transmission mechanism, to further enhance the stability of structure.
The utility model is further arranged to: the inner sidewall of the axis hole offers the cooling tube for being directed toward grinding surface, described
Shape of the cooling tube close to the end of grinding surface along grinding surface end face is provided with cooling chamber, the cooling chamber far from cooling tube one
The air-permeable layer that side is provided with fitting grinding surface and can breathe freely.
By using above-mentioned technical proposal, allow grinding surface and the heat that generates when workpiece surface severe friction direct
By entering in cooling chamber after air-permeable layer, and the external world is transmitted to by cooling tube, reduces temperature when grinding surface work, effectively
The abrasion for reducing grinding surface achieves the beneficial effect to prolong the service life.
The utility model is further arranged to: the type of tamper evidence for closing cooling tube is equipped in the cooling tube,
Filled with the coolant liquid for transmitting heat in the cooling chamber.
By using above-mentioned technical proposal, speed of the grinding towards cooling tube transmitting heat is further speeded up by coolant liquid
Degree, while type of tamper evidence can also place the leakage of coolant liquid, achieve the beneficial effect of enhancing thermal diffusivity, fast cooling reduces
The deflection of cycloid rotor, improves machining accuracy.
In conclusion the advantageous effects of the utility model are as follows:
1. passing through the setting of grinding surface and camber protrusion, transmission mechanism drives diamond roller rotation, control diamond rolling
Wheel is constantly close to grinding wheel, and grinding surface is contacted with grinding wheel, and continuous surfaces of grinding wheels, to realize restoring on line grinding wheel, then benefit
With grinding wheel numerical control grinding cycloid rotor, sintering process is compared, processing temperature is lower, reduces the deflection of cycloid rotor, improves
Machining accuracy；
2. by the setting of limited block, when processing, moving left and right for limited block limitation grinding wheel facilitates diamond roller to sand
Wheel is ground, and is regrinded after abrasive wheel forming and is cut part, so that the appearance profile of diamond roller and precision, size are passed through grinding wheel
The surface of cycloid rotor is copied to, to improve the precision of processing；
3. passing through the setting of cooling tube, cooling chamber, air-permeable layer, coolant liquid and type of tamper evidence, to reach enhancing thermal diffusivity
Beneficial effect, fast cooling reduces the deflection of cycloid rotor, improves machining accuracy.
Detailed description of the invention
Fig. 1 is in the present embodiment for showing the integrally-built diagrammatic cross-section of diamond roller；
Fig. 2 is the enlarged diagram of part A in Fig. 1；
Fig. 3 is the partial schematic diagram for showing grinding surface specific structure.
In figure, 1, wheel body；2, axis hole；3, grinding surface；31, camber protrusion；4, limited block；5, inclined surface；6, cooling tube；
61, cooling chamber；62, air-permeable layer；63, coolant liquid；64, type of tamper evidence.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
It referring to Fig.1, is disclosed by the utility model a kind of for modifying the diamond roller of cycloid rotor, including cylinder
Wheel body 1, wheel body 1 center along length direction perforation is provided with axis hole 2, be provided with grinding surface on the lateral wall of wheel body 1
3.Diamond roller is a kind of dressing tool by grinding wheel duplication own profile to processed piece surface, diamond finishing
Idler wheel is compared with traditional single-point diamond slate pencil finishing, and production efficiency is higher, and machining accuracy consistency is good, and complicated surface modifies energy
Power is good, therefore part processing quality is higher, and grinding easy to accomplish automates, and is particularly suitable for high-precision, produces in enormous quantities.
Referring to Fig.1 with Fig. 2, when processing, axis hole 2 is set on the transmission mechanism of driving diamond roller rotation, simultaneously
Diamond roller rotation is driven by transmission mechanism.The both ends of the surface edge of axis hole 2 is provided with 15 ° of chamfering, and ∠ a as shown in Figure 2=
15°.Chamfering is arranged so that sharp end angle is not present in 2 inner sidewall of axis hole, while can also increase the surface area of axis hole 2, enhance axis hole 2
Frictional force between transmission mechanism, to enhance the stability of 1 structure of wheel body.In the present embodiment, the lateral wall of wheel body 1 it is straight
Diameter is 130mm, and 2 diameter of axis hole is 52mm.There is wheel body 1 enough mechanical strengths to generate supporting role to grinding surface 3, into one
Step increases the stability of diamond roller structure.
Referring to Fig.1 with Fig. 3, the camber protrusion 31 outwardly protruded, camber protrusion 31 and grinding surface are offered in the middle part of grinding surface 3
3 rounding ofves, the radian and height of camber protrusion 31 can be required according to the relevant art of processed cycloid rotor and shape structure
It makes and changes transformation, it is ensured that adaptable profile and required precision.
Referring to Fig.1 with Fig. 3, grinding wheel is moved left and right when in order to limit processing, integrally formed with being located at arc in the grinding surface 3
The limited block 4 of 31 two sides of type protrusion, the height of limited block 4 are 0.5mm.Limited block 4 limits moving left and right for grinding wheel, facilitates Buddha's warrior attendant
Stone pair of rollers grinding wheel is ground, to improve the precision of grinding.Limited block 4 is provided with far from the side of camber protrusion
45 ° of chamferings, as shown in figure 3, b=45 ° ∠.Chamfering makes 3 edge of grinding surface of diamond roller more round and smooth, so that diamond
Idler wheel is not easy damage of colliding with, and extends the service life of diamond roller.Limited block 4 is provided with close to the side of camber protrusion 31 to incline
Inclined-plane 5, in the present embodiment, the angle between inclined surface 5 and grinding surface 3 is 150 °, as shown in figure 3, c=150 ° ∠.Inclined surface 5
So that grinding surface 3 and limited block 4 seamlessly transit, the collision gouge of workpiece surface is reduced, the Forming Quality of processing is improved.This implementation
In example, the Line contour degree 0.003mm of diamond roller, circle bounce 0.004mm, by the appearance profile of diamond roller and precision,
Size copies to processed cycloid rotor surface by grinding wheel, reaches the size and Geometrical Tolerance Principle of requirement.
Referring to Fig.1, the inner sidewall of axis hole 2 offers the cooling tube 6 for being directed toward the annular of grinding surface 3, and cooling tube 6 is close to grinding
Shape of the end in face 3 along 3 end face of grinding surface is provided with cooling chamber 61, and 61 underfill of cooling chamber has made of exhaust steel thoroughly
Gas-bearing formation 62, cooling chamber 61 is interior filled with the coolant liquid 63 that can transmit heat rapidly, and coolant liquid 63 is made of oil emulsion, cooling
The type of tamper evidence 64 of fitting 6 inner wall of cooling tube is provided in pipe 6, type of tamper evidence 64 is set as the section half of section radius and cooling tube 6
The identical cylindrical shape of diameter.After coolant liquid 63 is injected cooling chamber 61, type of tamper evidence 64 can be inserted into cooling tube 6, so that cold
But liquid 63 is enclosed in cooling chamber 61, and after wheel body 1 is assembled on transmission mechanism, transmission mechanism will close axis hole 2, so that stifled
64 inlay card of plug member avoids the coolant liquid 63 in cooling chamber 61 from leaking in cooling tube 6, while air-permeable layer 62 also can be promptly by mill
The heat transfer of bevel 3 effectively reduces temperature when grinding surface 3 works into coolant liquid 63, has reached enhancing thermal diffusivity
Beneficial effect, fast cooling reduce the deflection of cycloid rotor, further improve machining accuracy.
The implementation principle of the present embodiment are as follows: be set in axis hole 2 on the transmission mechanism that driving wheel body 1 rotates, transmission mechanism
Diamond roller rotation is driven, controls diamond roller constantly close to grinding wheel, so that grinding surface 3 is contacted with grinding wheel, not
Disconnected surfaces of grinding wheels recycles grinding wheel numerical control grinding cycloid rotor to realize restoring on line grinding wheel, by workpiece fashion into
The identical shape of grinding surface 3 to form cycloid rotor rapidly by the integraty of grinding surface 3.Compared to sintering process, processing temperature is more
It is low, reduce the deformation quantity of cycloid rotor, to improve machining accuracy.
The embodiment of present embodiment is the preferred embodiment of the utility model, and not limitation is originally practical new according to this
The protection scope of type, therefore: the equivalence changes that all structures, shape, principle according to the utility model are done should all be covered by practical
Within novel protection scope.
Claims (8)
1. it is a kind of for modifying the diamond roller of cycloid rotor, including cylindrical wheel body (1), the center of the wheel body (1)
Along length direction, perforation is provided with axis hole (2), it is characterised in that: is provided with grinding surface on the lateral wall of the wheel body (1)
(3), it is raised (31) that the camber outwardly protruded is provided in the middle part of the grinding surface (3), the camber raised (31) and grinding surface (3)
Rounding off.
2. according to claim 1 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the grinding
The limited block (4) positioned at raised (31) two sides of camber is provided on face (3), the height of the limited block (4) is 0.5mm.
3. according to claim 2 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the limit
Block (4) is provided with 45 ° of chamferings far from the side of camber raised (31).
4. according to claim 3 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the limit
Block (4) is provided with inclined surface (5) close to the side of camber raised (31), the angle between the inclined surface (5) and grinding surface (3)
For obtuse angle.
5. according to claim 1 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the axis hole
(2) diameter is 52mm, and the diameter of the lateral wall of the wheel body (1) is 130mm.
6. according to claim 5 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the axis hole
(2) both ends of the surface edge is provided with chamfering.
7. according to claim 1 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the axis hole
(2) inner sidewall offers the cooling tube (6) for being directed toward grinding surface (3), end edge of the cooling tube (6) close to grinding surface (3)
The shape of grinding surface (3) end face is provided with cooling chamber (61), and the cooling chamber (61) is provided with patch far from the side of cooling tube (6)
The air-permeable layer (62) closing grinding surface (3) and can breathing freely.
8. according to claim 7 a kind of for modifying the diamond roller of cycloid rotor, it is characterised in that: the cooling
It is equipped with the type of tamper evidence (64) for closing cooling tube (6) in pipe (6), is filled in the cooling chamber (61) for transmitting
The coolant liquid (63) of heat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229098.6U CN209598967U (en) | 2019-02-22 | 2019-02-22 | It is a kind of for modifying the diamond roller of cycloid rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920229098.6U CN209598967U (en) | 2019-02-22 | 2019-02-22 | It is a kind of for modifying the diamond roller of cycloid rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209598967U true CN209598967U (en) | 2019-11-08 |
Family
ID=68402800
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920229098.6U Active CN209598967U (en) | 2019-02-22 | 2019-02-22 | It is a kind of for modifying the diamond roller of cycloid rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209598967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548858A (en) * | 2020-12-03 | 2021-03-26 | 西安博奥达金刚石工磨具有限公司 | Diamond roller for efficiently finishing CBN grinding wheel and preparation method thereof |
-
2019
- 2019-02-22 CN CN201920229098.6U patent/CN209598967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112548858A (en) * | 2020-12-03 | 2021-03-26 | 西安博奥达金刚石工磨具有限公司 | Diamond roller for efficiently finishing CBN grinding wheel and preparation method thereof |
| CN112548858B (en) * | 2020-12-03 | 2022-05-03 | 西安博奥达金刚石工磨具有限公司 | Diamond roller for efficiently finishing CBN grinding wheel and preparation method thereof |
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