CN206373412U - A kind of draught fan impeller dynamic balancing duplicate removal milling attachment - Google Patents
A kind of draught fan impeller dynamic balancing duplicate removal milling attachment Download PDFInfo
- Publication number
- CN206373412U CN206373412U CN201621447037.XU CN201621447037U CN206373412U CN 206373412 U CN206373412 U CN 206373412U CN 201621447037 U CN201621447037 U CN 201621447037U CN 206373412 U CN206373412 U CN 206373412U
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- CN
- China
- Prior art keywords
- draught fan
- fan impeller
- knife bar
- duplicate removal
- boring cutter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model provides a kind of draught fan impeller dynamic balancing duplicate removal milling attachment, include vertical knee-type milling machine, boring cutter handle, knife bar, cutter head and be fixedly installed on the impeller positioning fixture below boring cutter handle for positioning draught fan impeller, the vertical coaxially connected main shaft lower end in vertical knee-type milling machine of boring cutter handle, one end of knife bar is arranged in the first mounting hole, cutter head is arranged in the second mounting hole, and the inclination angle between the shaft center line of cutter head length direction line and boring cutter handle is 3 °≤α≤6 °.In duplicate removal milling attachment of the present utility model, the center of draught fan impeller and the setting of radially staggering of boring cutter handle, cutter head is with fixed rotary speed and the amount of feeding to carrying out milling duplicate removal processing at the imbalance of draught fan impeller, it is one section of transition arc that cutter head leaves the edge of a knife on the surface of draught fan impeller, the situation of dust stratification after draught fan impeller duplicate removal is efficiently solved, and keeps the aesthetic property of overall draught fan impeller.Duplicate removal milling attachment machining accuracy of the present utility model is easily controllable, greatly improves processing efficiency.
Description
Technical field
The utility model is related to lathe milling technology field, especially, is related to a kind of draught fan impeller dynamic balancing duplicate removal milling
Device.
Background technology
Draught fan impeller is influenceed by the factor such as self structure and processing, assembly technology, running environment, is also easy to produce impeller not
Equilibrium problem, causes blower fan whole dynamic balance to destroy, and whole rotary system can be made to produce noise, You Haizhen during running at high speed
Move, so as to influence the property indices and service life of fan operation, causing the reliability of blower fan reduces.Need to blower fan
Blade is balanced correction process to eliminate amount of unbalance, it is ensured that it being capable of trouble free service.
Chinese patent ZL201420438581.2 provides a kind of impeller duplicate removal device, including drilling and milling machine, impeller geometrical clamp
Tool, rotary table；The rotary table is arranged on drilling and milling machine, and the impeller stationary fixture is arranged on rotary table
On；The impeller stationary fixture includes impeller locating rod, impeller and fixes bottom plate, impeller locating rod packing ring, impeller positioning stem nut
Press nut with impeller, the impeller locating rod is located in impeller and fixed on bottom plate, and the impeller locating rod lower end is from top to bottom
Impeller locating rod packing ring and impeller positioning stem nut are arranged with successively, and the impeller locating rod lower end positions stem nut spiral shell with impeller
Connect；The impeller presses nut and is spirally connected with impeller locating rod upper end；Rotary table connection synchronous with impeller stationary fixture.
But this impeller duplicate removal device, using milling machine cutting duplicate removal correction dynamic balance of impeller, not only duplicate removal precision is difficult to control to, and milling
The easy debris of cumulative effect movable vane wheel balance quality in the impeller surface upper groove of impeller profile after cutting unsightly, after milling.
Therefore, improve dynamic balance of impeller means for correcting has extremely important meaning for the overall manufacture level of lifting blower fan.
Utility model content
In order to overcome prior art not enough, the utility model provides a kind of easily operated, high in machining efficiency draught fan impeller
Dynamic balancing duplicate removal milling attachment, the device can not only accurately control the balance quality of dynamic draught fan impeller, and meet blower fan leaf
Take turns the requirement of good appearance.
To achieve the above object, the utility model provides a kind of draught fan impeller dynamic balancing duplicate removal milling attachment, includes
Vertical knee-type milling machine, boring cutter handle, knife bar, cutter head and it is fixedly installed on and is used for the impeller positioning for positioning draught fan impeller below the boring cutter handle
Level is provided with fixture, the vertical coaxially connected main shaft lower end in the vertical knee-type milling machine of the boring cutter handle, the boring cutter handle to lead to
Cross the first mounting hole of its pivot, one end of the knife bar is arranged in first mounting hole, the knife bar it is another
End is provided with the second mounting hole, and second mounting hole is obliquely installed, and the cutter head is arranged in second mounting hole, the knife
Inclination angle between head length direction line and the shaft center line of the boring cutter handle is 3 °≤α≤6 °, and the cutter head has
One end of cutting edge is tilted towards the direction of the shaft center line away from the boring cutter handle；The centre of location of the impeller positioning fixture
Stagger in the horizontal direction with the shaft center line of the boring cutter handle and set apart from 4mm≤d≤8mm；The boring cutter handle can be vertical
The main shaft rotation lower band moving knife bar and cutter head of milling machine, which rotate, causes the device to carry out duplicate removal milling to draught fan impeller.When by blower fan leaf
When wheel is fixed on impeller positioning fixture, the center of draught fan impeller and the pivot of the boring cutter handle stagger in the horizontal direction
Set；Cutter head is tiltedly mounted on knife bar, and the cutting edge of cutter head is directed downward, and vertical knee-type milling machine rotating band dynamic cutter head is to blower fan leaf
Eccentric duplicate removal is carried out at the amount of unbalance position of wheel, to reach to draught fan impeller dynamic balance calibration purpose.
It is preferred that, the inclined angle alpha between the shaft center line of the length direction line of the cutter head and the boring cutter handle is 5 °.
It is preferred that, the radius of machining of the cutter head is less than 5~10mm of radius of the draught fan impeller, and the structure setting is favourable
In the aesthetic property for keeping overall draught fan impeller.
It is preferred that, the knife bar section vertical with knife bar length direction is square, and first mounting hole is and the knife bar
The square opening that section matches.
It is preferred that, being horizontally disposed with the knife bar has multiple screw holes to be used to adjust between knife bar (2) and boring cutter handle (1)
Be connected position, and the structure setting is conducive to adjusting the size of cutter head duplicate removal radius.
It is preferred that, pass through locking between the knife bar and the boring cutter handle and between the cutter head and the knife bar
Screw (6) is fixedly connected.
It is preferred that, the draught fan impeller is open type aluminum impeller.
It is preferred that, the boring cutter handle and the knife bar are made of 45# steel, and the cutter head is made of high-speed steel.
It is preferred that, first mounting hole and the second mounting hole are through hole, be respectively used to the knife bar be located in it is described
The knife bar is located on boring cutter handle and for the cutter head.
Compared to prior art, the utility model has the advantages that：
1st, in draught fan impeller dynamic balancing duplicate removal milling attachment of the present utility model, boring cutter handle is vertically connected to vertical knee-type milling machine
Main shaft lower end, one end of knife bar is inserted in the horizontal through hole of boring cutter handle, and the other end of knife bar is tiltedly installed with cutter head so that knife
Bar and cutter head rotate together with boring cutter handle, and knife bar plays a part of connecting and adjusting duplicate removal radius.
2nd, in draught fan impeller dynamic balancing duplicate removal milling attachment of the present utility model, center and the boring cutter handle of impeller positioning fixture
Pivot stagger in the horizontal direction certain distance setting, cutter head is with certain rotary speed and the amount of feeding to being arranged at leaf
Milling duplicate removal processing is carried out at the imbalance for taking turns the draught fan impeller on positioning fixture, what cutter head left on the surface of draught fan impeller
The edge of a knife is one section of transition arc, efficiently solves the situation of dust stratification after draught fan impeller duplicate removal, and keep U.S. of overall draught fan impeller
The property seen.
3rd, draught fan impeller dynamic balancing duplicate removal milling attachment of the present utility model, simple in construction, machining accuracy is easily controllable, pole
Big improves processing efficiency.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.In accompanying drawing
In：
Fig. 1 is a kind of structural representation of draught fan impeller dynamic balancing duplicate removal milling attachment of the utility model；
Wherein, 1, boring cutter handle, the 11, first mounting hole, 2, knife bar, the 21, second mounting hole 3, cutter head, 31, cutting edge, 4, wind
Machine impeller, 5, impeller positioning fixture, 6, lock-screw.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, but the utility model can be according to power
Profit requires to limit and the multitude of different ways of covering is implemented.
As shown in figure 1, a kind of draught fan impeller dynamic balancing duplicate removal milling attachment of the present utility model, includes vertical knee-type milling machine
(not shown), boring cutter handle 1, knife bar 2, cutter head 3 and it is fixedly installed on and is used for the impeller for positioning draught fan impeller 4 below boring cutter handle
It is horizontally disposed with to have on positioning fixture 5, the vertical coaxially connected main shaft lower end in vertical knee-type milling machine of boring cutter handle, boring cutter handle and is rotated by it
First mounting hole 11 at center, one end of knife bar 2 is arranged in the first mounting hole, and the other end of knife bar is provided with the second mounting hole
21, the second mounting hole is obliquely installed, and cutter head 3 is arranged in the second mounting hole, the rotary shaft of cutter head length direction line and boring cutter handle
Inclination angle between heart line is 3 °≤α≤6 ° so that cutter head has one end of cutting edge 31 towards the axis of rotation of remote boring cutter handle
The direction of line is tilted, and the cutting edge of cutter head is directed downward；The centre of location of impeller positioning fixture and the axis of rotation of boring cutter handle
Line staggers in the horizontal direction to be set apart from 4mm≤d≤8mm；Boring cutter handle 1 can rotate lower band moving knife bar 2 in the main shaft of vertical knee-type milling machine
Rotated with cutter head 3 and cause the device to carry out duplicate removal milling to draught fan impeller.
In a kind of specific embodiment, boring cutter handle is vertically fixedly and coaxially connected under the main shaft of vertical knee-type milling machine by screw rod
End, one end of knife bar 2 is inserted in the first mounting hole 11, and lock-screw 6 runs through boring cutter handle and is fixedly connected with the two after knife bar；
Inclined angle alpha between the length direction line of cutter head 3 and the shaft center line of boring cutter handle is 5 °；The centre of location of impeller positioning fixture
It is 5mm to stagger in the horizontal direction apart from d with the shaft center line of boring cutter handle；And the radius of machining of cutter head 3 is less than draught fan impeller
Radius 8mm.In the course of work, draught fan impeller 4 is fixed on the workbench of vertical knee-type milling machine by fixture impeller positioning fixture 5 so that
5mm distance is similarly formed between the center of draught fan impeller and the shaft center line of boring cutter handle in the horizontal direction, it is vertical
After milling machine starts, boring cutter handle is rotated under the drive of vertical milling machine main, and knife bar, cutter head rotate with boring cutter handle, thus cutter head
As boring cutter handle is moved in a circle with certain rotary speed on draught fan impeller surface, and by adjust cutter head the amount of feeding and
Cutting depth reaches removal draught fan impeller amount of unbalance purpose, can accurately control the precision of dynamic balancing duplicate removal milling attachment.
In a kind of specific embodiment, knife bar 2 section vertical with knife bar length direction is square, the first mounting hole 11
The square opening matched for the cross section with knife bar；Pass through locking between knife bar and boring cutter handle and between cutter head and knife bar
Screw 6 is fixedly connected.Being horizontally disposed with the utility model, on knife bar has multiple screw holes to be used to adjust knife bar 2 and boring cutter handle
Between connected position, the relative position of knife bar and boring cutter handle can be adjusted as needed, to reach adjustment duplicate removal radius size
Purpose.
In a kind of specific embodiment, draught fan impeller 4 is open type aluminum impeller, and boring cutter handle 1 and knife bar 2 use 45# steel
It is made, cutter head 3 is made of high-speed steel.By the fixed rotating speed of milling machine, milling attachment of the present utility model is driven to do rotation fortune
Dynamic, because boring cutter handle 1 and knife bar 2 are made of 45# steel, and cutter head is made using high-speed steel, taken into full account cutter head intensity and
The milling requirement of aluminum draught fan impeller, so as to ensure that the security of knife bar and cutter head work.
In a kind of specific embodiment, the first mounting hole 11 and the second mounting hole 21 are through hole, are respectively used to knife bar 2
It is located on boring cutter handle 1 and is located in the knife bar 2 for cutter head 3.
The course of work of draught fan impeller dynamic balancing duplicate removal milling attachment of the present utility model is：Draught fan impeller is placed first
In on impeller positioning fixture and fixed；Restart vertical knee-type milling machine, boring cutter handle starts rotation, knife under the drive of vertical milling machine main
Bar, cutter head rotate together with boring cutter handle, thus draught fan impeller is fixed on impeller positioning fixture, cutter head rotary cutting inlet air
The wall thickness of machine impeller, thus boring cutter leaves the edge of a knife for one section of transition arc on the surface of draught fan impeller, rather than a groove,
Can avoid caused by traditional milling duplicate removal unsightly and milling groove position dust stratification and influence impeller operating dynamic flat
The problem of precision that weighs.
Preferred embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for this
For the technical staff in field, the utility model can have various modifications and variations.It is all it is of the present utility model spirit and principle
Within, any modification, equivalent substitution and improvements made etc. should be included within protection domain of the present utility model.
Claims (9)
1. a kind of draught fan impeller dynamic balancing duplicate removal milling attachment, it is characterised in that include vertical knee-type milling machine, boring cutter handle (1), knife bar
(2), cutter head (3) and it is fixedly installed on and is used for the impeller positioning fixture (5) for positioning draught fan impeller (4), institute below the boring cutter handle
State to be horizontally disposed with to have on the vertical coaxially connected main shaft lower end in the vertical knee-type milling machine of boring cutter handle, the boring cutter handle and rotated by it
First mounting hole (11) at center, one end of the knife bar (2) is arranged in first mounting hole, the other end of the knife bar
Provided with the second mounting hole (21), second mounting hole is obliquely installed, and the cutter head (3) is arranged in second mounting hole,
Inclination angle between the shaft center line of the cutter head length direction line and the boring cutter handle is 3 °≤α≤6 °, and the knife
One end that head has cutting edge (31) is tilted towards the direction of the shaft center line away from the boring cutter handle；The impeller positioning fixture
The shaft center line of the centre of location and the boring cutter handle stagger set apart from 4mm≤d≤8mm in the horizontal direction；The boring cutter
Handle (1) can rotate in the main shaft rotation lower band moving knife bar (2) and cutter head (3) of vertical knee-type milling machine causes the device to carry out draught fan impeller
Duplicate removal milling.
2. draught fan impeller dynamic balancing duplicate removal milling attachment according to claim 1, it is characterised in that the length of the cutter head
Inclined angle alpha between direction line and the shaft center line of the boring cutter handle is 5 °.
3. draught fan impeller dynamic balancing duplicate removal milling attachment according to claim 1, the radius of machining of the cutter head is less than institute
State 5~10mm of radius of draught fan impeller.
4. draught fan impeller dynamic balancing duplicate removal milling attachment according to claim 1, it is characterised in that with knife bar length direction
Vertical knife bar section is square, and first mounting hole is the square opening matched with the knife bar section.
5. draught fan impeller dynamic balancing duplicate removal milling attachment according to claim 1, it is characterised in that level on the knife bar
Being provided with multiple screw holes is used to adjust the connected position between knife bar (2) and boring cutter handle (1).
6. draught fan impeller dynamic balancing duplicate removal milling attachment according to claim 5, it is characterised in that the knife bar with it is described
It is fixedly connected between boring cutter handle and between the cutter head and the knife bar by lock-screw (6).
7. the draught fan impeller dynamic balancing duplicate removal milling attachment according to claim any one of 1-6, it is characterised in that the wind
Machine impeller is open type aluminum impeller.
8. the draught fan impeller dynamic balancing duplicate removal milling attachment according to claim any one of 1-6, it is characterised in that the boring
Handle of a knife and the knife bar are made of 45# steel, and the cutter head is made of high-speed steel.
9. the draught fan impeller dynamic balancing duplicate removal milling attachment according to claim any one of 1-6, it is characterised in that described
One mounting hole (11) and the second mounting hole (21) are through hole, are respectively used to the knife bar (2) and are located on the boring cutter handle (1)
The knife bar (2) is located in for the cutter head (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447037.XU CN206373412U (en) | 2016-12-27 | 2016-12-27 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621447037.XU CN206373412U (en) | 2016-12-27 | 2016-12-27 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206373412U true CN206373412U (en) | 2017-08-04 |
Family
ID=59407571
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621447037.XU Withdrawn - After Issue CN206373412U (en) | 2016-12-27 | 2016-12-27 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206373412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475613A (en) * | 2016-12-27 | 2017-03-08 | 株洲联诚集团有限责任公司 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
| CN113027798A (en) * | 2019-12-25 | 2021-06-25 | 上海梅山钢铁股份有限公司 | Online maintenance method for centrifugal fan |
| CN114012154A (en) * | 2021-11-18 | 2022-02-08 | 大连交通大学 | Milling torque measuring sensor |
-
2016
- 2016-12-27 CN CN201621447037.XU patent/CN206373412U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475613A (en) * | 2016-12-27 | 2017-03-08 | 株洲联诚集团有限责任公司 | A kind of draught fan impeller dynamic balancing duplicate removal milling attachment |
| CN113027798A (en) * | 2019-12-25 | 2021-06-25 | 上海梅山钢铁股份有限公司 | Online maintenance method for centrifugal fan |
| CN114012154A (en) * | 2021-11-18 | 2022-02-08 | 大连交通大学 | Milling torque measuring sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170804 Effective date of abandoning: 20180814 |
|
| AV01 | Patent right actively abandoned |