CN209273224U - Stable type metal grinding head - Google Patents
Stable type metal grinding head Download PDFInfo
- Publication number
- CN209273224U CN209273224U CN201821879785.4U CN201821879785U CN209273224U CN 209273224 U CN209273224 U CN 209273224U CN 201821879785 U CN201821879785 U CN 201821879785U CN 209273224 U CN209273224 U CN 209273224U
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Abstract
The utility model discloses a kind of stable type metal grinding head, including outer housing, inner housing, core and swivel head, the inner housing is located in outer housing, the core is rotatably set in inner housing, the swivel head and core installation connect, the inner and outer wall of the inner housing is cylindrical surface, so that the wall thickness of inner housing is gradually incremented by upwards in semi-circumference, several air inlets are provided on the intracorporal annular groove inner wall of first chamber, several air outlets are provided on the intracorporal annular groove inner wall of second chamber, the central axis of the core is overlapped with the central axis on inner housing outer wall cylindrical surface, several blade grooves are circumferentially equidistantly provided on the core.Bearing is packed into the pedestal portion of bearing block using baffle by the utility model, it is convenient that the dismounting of bearing is avoided between inner and outer shell because of multiple the case where dismantling and can not be fitted close completely, the sealing effect that ensure that enclosure interior is further ensured that the stability to swivel head driving.
Description
Technical field
The utility model relates to a kind of stable type metal grinding heads, belong to Electronic product precision part processing technique field.
Background technique
Surface structure part/accessory of most of mobile phone, laptop is using metal material, metal material currently on the market
Molding mainly have a modes such as aluminium extruded, die casting, forging and stamping, no matter which kind of molding mode, CNC machining center is both needed to after molding and is added
Work, due to that, there are the bad orders phenomenon such as knife mark, scuffing, need to be passivated to workpiece, sanding and polishing, spray in CNC process
A series of appearance reprocessing such as painting, anodic oxidation.And in the grinding process, the consumption of grinding head is very serious, needs often
Replacement, had not only reduced the efficiency of production but also had improved the cost of processing.
Utility model content
The purpose of the utility model is to provide a kind of stable type metal grinding head, which uses baffle
Bearing is packed into the pedestal portion of bearing block, it is convenient the dismounting of bearing is avoided between inner and outer shell because repeatedly dismantle and can not
The case where being fitted close completely, ensure that the sealing effect of enclosure interior, be further ensured that the stability to swivel head driving.
In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of stable type metal grinding head, including outer
Shell, inner housing, core and swivel head, the inner housing are located in outer housing, and the core is rotatably set to inner housing
Interior, the swivel head and core installation connect；
The inner and outer wall of the inner housing is cylindrical surface, the central axis and inner casing on inner housing outer wall cylindrical surface
It the centerline axis parallel on internal wall cylindrical surface and is not overlapped, so that the wall thickness of inner housing is gradually incremented by upwards in semi-circumference,
There are two annular grooves disposed in parallel for tool on the inner housing outer wall, to form the first parallel protrusion on interior housing exterior walls
Portion, the second lug boss and third protrusion portion, the inner housing outer wall are connect with outer housing inner wall close-fitting, thus outer housing with it is interior
The first cavity and the second cavity are formed between two annular grooves of shell, if being provided on the intracorporal annular groove inner wall of first chamber
Dry air inlet is provided with several air outlets on the intracorporal annular groove inner wall of the second chamber；
The central axis of the core is overlapped with the central axis on inner housing outer wall cylindrical surface, and the core includes upper axis
Portion, driving portion and lower shaft portion, this core are rotatably installed in outer housing by top chock, step, the upper axis
It holds a lower surface and inner housing top surface connects, the step is set in outer housing and is located at below inner housing, institute
It states and is circumferentially equidistantly provided with several blade grooves on core, driving blade, the outer housing have been respectively embedded into this blade groove
On be provided with air inlet and air outlet, the air inlet and the first cavity penetrate through, and the gas outlet and the second cavity penetrate through；
The step further comprises the lower bearing in pedestal portion and insertion pedestal portion, on the inner wall in the pedestal portion
With an annular groove, this annular groove has been embedded in an annular baffle, this annular baffle is located at below lower bearing and and lower axle
Hold contact connectio.
Further improved scheme is as follows in above-mentioned technical proposal:
1. in above scheme, in the upper axle portion insertion top chock of the core, the lower shaft portion of the core is embedded in lower axle
It holds in seat, the driving part is in inner housing.
2. in above scheme, the blade groove is located on the driving portion of core.
3. in above scheme, the swivel head is installed in the lower shaft portion of core.
4. in above scheme, there is one first flange part on the outer wall of the outer housing upper end, opened on this first flange part
There are several installation through-holes.
5. in above scheme, the central axis of the inner housing outer wall cylinder is located in inner housing inner wall.
6. in above scheme, being connected between the top chock and inner housing by a bolt.
7. in above scheme, the number of several blade grooves is 4.
8. in above scheme, there is internal screw thread, the interconnecting piece insertion outer housing of a top cover is simultaneously at the outer housing upper opening
It is threadedly coupled with outer housing.
9. in above scheme, a sealing ring is provided between the top cover and outer housing.
Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art
1, the combination settings of the utility model stable type metal grinding head, inner and outer shell and core, clever structure, gas warp
It crosses the first cavity and enters inner housing, blow driving blade, driving blade drives core rotation, is discharged using the second cavity, core
The rotation of body drives swivel head rotation, realizes automatically grinding, and structure is simple, easy to use；In addition, its step further wraps
The lower bearing for including pedestal portion and being embedded in pedestal portion, has an annular groove on the inner wall in the pedestal portion, in this annular groove
It is embedded with an annular baffle, this annular baffle is located at below lower bearing and connects with lower bearing, bearing is filled using baffle
Enter the pedestal portion of bearing block, the convenient dismounting to bearing, when bearing loss needs replacing, it is only necessary to will from the lower section of grinding head
Bearing is split out, it is not necessary that the inner and outer shell above it is separated, avoid between inner and outer shell because multiple dismantle and can not
The case where being fitted close completely, ensure that the sealing effect of enclosure interior, be further ensured that the stability to swivel head driving.
2, the utility model stable type metal grinding head has one first flange part on the outer wall of outer housing upper end, this
Several installation through-holes are provided on first flange part, the setting of installation through-hole on flange part, be grinding head and external process board or
The connection of person's mechanical arm etc. provides interface, convenient for grinding head and external connection, while also ensuring the stabilization of external connection
Property；In addition, being connected between its top chock and inner housing by a bolt, the setting of pin further enhances top chock
The stability connected between inner housing prevents bearing block from situations such as deviation occur and influences the rotation angle of core, guarantees core
Body drives swivel head to rotate around vertical direction, to guarantee the precision of polishing.
3, the utility model stable type metal grinding head has internal screw thread, the connection of a top cover at outer housing upper opening
Portion's insertion outer housing is simultaneously threadedly coupled with outer housing.The setting of top cover, structure is simple, and the convenient dismounting to component is protected simultaneously
The internal structures such as core are not influenced by external dust etc., extend the service life of component；In addition, between its top cover and outer housing
It is provided with a sealing ring, the setting of sealing ring prevents external dust, in air further such that core and external environs
The influence of steam extends component service life.
Detailed description of the invention
Attached drawing 1 is the utility model stable type metal grinding head partial structure sectional view one；
Attached drawing 2 is inner shell structure schematic diagram in the utility model stable type metal grinding head；
Attached drawing 3 is core structural decomposition diagram in the utility model stable type metal grinding head；
Attached drawing 4 is the utility model stable type metal grinding head China and foreign countries schematic diagram of housing structure；
Attached drawing 5 is the utility model stable type metal grinding head partial structure sectional view two.
In the figures above: 1, outer housing；2, inner housing；3, core；4, swivel head；5, annular groove；601, the first lug boss；
602, the second lug boss；603, third protrusion portion；7, top cover；8, the first cavity；9, the second cavity；101, air inlet；102, go out
Air port；11, upper axle portion；12, driving portion；13, lower shaft portion；14, top chock；15, step；151, pedestal portion；152, under
Bearing；16, bolt；17, blade groove；18, driving blade；19, air inlet；20, gas outlet；21, sealing ring；28, the first flange
Portion；29, installation through-hole；36, annular baffle.
Specific embodiment
Embodiment 1: a kind of stable type metal grinding head, including outer housing 1, inner housing 2, core 3 and swivel head 4, it is described
Inner housing 2 is located in outer housing 1, and the core 3 is rotatably set in inner housing 2, and the swivel head 4 is installed with core 3
Connection；
The inner and outer wall of the inner housing 2 is cylindrical surface, the central axis on the 2 outer wall cylindrical surface of inner housing with it is interior
It the centerline axis parallel on 2 inner wall cylindrical surface of shell and is not overlapped, so that the wall thickness of inner housing 2 is gradually passed upwards in semi-circumference
Increase, there are two annular grooves 5 disposed in parallel for tool on 2 outer wall of inner housing, to form parallel the on 2 outer wall of inner housing
One lug boss 601, the second lug boss 602 and third protrusion portion 603,2 outer wall of inner housing and 1 inner wall close-fitting of outer housing connect
It connects, to form the first cavity 8 and the second cavity 9, first chamber between outer housing 1 and two annular grooves 5 of inner housing 2
It is provided with several air inlets 101 on 5 inner wall of annular groove in body 8, is provided on 5 inner wall of annular groove in second cavity 9 several
Air outlet 102；
The central axis of the core 3 is overlapped with the central axis on 2 outer wall cylindrical surface of inner housing, and the core 3 includes upper
Axle portion 11, driving portion 12 and lower shaft portion 13, this core 3 are rotatably installed on shell by top chock 14, step 15
In body 1,14 lower surface of top chock and 2 top surface of inner housing are connected, and the step 15 is set in outer housing 1
And it is located at 2 lower section of inner housing, several blade grooves 17 are circumferentially equidistantly provided on the core 3, in this blade groove 17 respectively
It is embedded with driving blade 18, air inlet 19 and gas outlet 20, the air inlet 19 and the first cavity are provided on the outer housing 1
8 perforations, the gas outlet 20 and the second cavity 9 penetrate through；
The step 15 further comprises the lower bearing 152 in pedestal portion 151 and insertion pedestal portion 151, the seat
There is an annular groove, this annular groove has been embedded in an annular baffle 36, this annular baffle 36 is located on the inner wall in body portion 151
152 lower section of lower bearing is simultaneously connected with lower bearing 152.
The upper axle portion 11 of above-mentioned core 3 is embedded in top chock 14, and the lower shaft portion 13 of above-mentioned core 3 is embedded in step 15
Interior, above-mentioned driving portion 12 is located in inner housing 2；Above-mentioned blade groove 17 is located on the driving portion 12 of core 3；Above-mentioned swivel head 4 is pacified
In lower shaft portion 13 loaded on core 3；There is one first flange part 28, this first flange part on the outer wall of above-mentioned 1 upper end of outer housing
Several installation through-holes 29 are provided on 28.
Embodiment 2: a kind of stable type metal grinding head, including outer housing 1, inner housing 2, core 3 and swivel head 4, it is described
Inner housing 2 is located in outer housing 1, and the core 3 is rotatably set in inner housing 2, and the swivel head 4 is installed with core 3
Connection；
The inner and outer wall of the inner housing 2 is cylindrical surface, the central axis on the 2 outer wall cylindrical surface of inner housing with it is interior
It the centerline axis parallel on 2 inner wall cylindrical surface of shell and is not overlapped, so that the wall thickness of inner housing 2 is gradually passed upwards in semi-circumference
Increase, there are two annular grooves 5 disposed in parallel for tool on 2 outer wall of inner housing, to form parallel the on 2 outer wall of inner housing
One lug boss 601, the second lug boss 602 and third protrusion portion 603,2 outer wall of inner housing and 1 inner wall close-fitting of outer housing connect
It connects, to form the first cavity 8 and the second cavity 9, first chamber between outer housing 1 and two annular grooves 5 of inner housing 2
It is provided with several air inlets 101 on 5 inner wall of annular groove in body 8, is provided on 5 inner wall of annular groove in second cavity 9 several
Air outlet 102；
The central axis of the core 3 is overlapped with the central axis on 2 outer wall cylindrical surface of inner housing, and the core 3 includes upper
Axle portion 11, driving portion 12 and lower shaft portion 13, this core 3 are rotatably installed on shell by top chock 14, step 15
In body 1,14 lower surface of top chock and 2 top surface of inner housing are connected, and the step 15 is set in outer housing 1
And it is located at 2 lower section of inner housing, several blade grooves 17 are circumferentially equidistantly provided on the core 3, in this blade groove 17 respectively
It is embedded with driving blade 18, air inlet 19 and gas outlet 20, the air inlet 19 and the first cavity are provided on the outer housing 1
8 perforations, the gas outlet 20 and the second cavity 9 penetrate through；
The step 15 further comprises the lower bearing 152 in pedestal portion 151 and insertion pedestal portion 151, the seat
There is an annular groove, this annular groove has been embedded in an annular baffle 36, this annular baffle 36 is located on the inner wall in body portion 151
152 lower section of lower bearing is simultaneously connected with lower bearing 152.
The central axis of above-mentioned 2 outer wall cylinder of inner housing is located in 2 inner wall of inner housing；Above-mentioned top chock 14 and inner housing
It is connected between 2 by a bolt 16；The number of above-mentioned several blade grooves 17 is 4；There is interior spiral shell at above-mentioned 1 upper opening of outer housing
Line, the interconnecting piece insertion outer housing 1 of a top cover 7 are simultaneously threadedly coupled with outer housing 1；It is provided between above-mentioned top cover 7 and outer housing 1
One sealing ring 21.
When using aforementioned stable type metal grinding head, the combination settings of inner and outer shell and core, clever structure, gas process
First cavity enters inner housing, blows driving blade, and driving blade drives core rotation, is discharged using the second cavity, core
Rotation drive swivel head rotation, realize automatically grinding, structure is simple, easy to use；In addition, it uses baffle to be packed into bearing
The pedestal portion of bearing block, the convenient dismounting to bearing, when bearing loss needs replacing, it is only necessary to from the lower section of grinding head by axis
Hold and split out, it is not necessary that the inner and outer shell above it is separated, avoid between inner and outer shell because multiple dismantle and can not be complete
It full the case where being fitted close, ensure that the sealing effect of enclosure interior, be further ensured that the stability to swivel head driving；Separately
Outside, on flange part installation through-hole setting, provide and connect for the connection of grinding head and external process board or mechanical arm etc.
Mouthful, convenient for grinding head and external connection, while also ensuring the stability of external connection；In addition, the setting of its pin, into one
Step strengthens the stability connected between top chock and inner housing, prevents bearing block from situations such as deviation occur and influencing core
Angle is rotated, guarantees that core drives swivel head to rotate around vertical direction, to guarantee the precision of polishing；In addition, its top cover
Setting, structure is simple, the convenient dismounting to component, while the internal structures such as core being protected not influenced by external dust etc., prolongs
The service life of long component；In addition, the setting of its sealing ring, further such that core and external environs, prevent external powder
The influence of steam in dirt, air extends component service life.
The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique
Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention.
All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it
It is interior.
Claims (10)
1. a kind of stable type metal grinding head, it is characterised in that: including outer housing (1), inner housing (2), core (3) and swivel head
(4), the inner housing (2) is located in outer housing (1), and the core (3) is rotatably set in inner housing (2), the rotation
Rotary head (4) and core (3) installation connect；
The inner and outer wall of the inner housing (2) is cylindrical surface, the central axis on inner housing (2) the outer wall cylindrical surface with it is interior
The centerline axis parallel on shell (2) inner wall cylindrical surface and be not overlapped so that the wall thickness of inner housing (2) semi-circumference upwards by
Gradually it is incremented by, there are two annular groove disposed in parallel (5) for tool on inner housing (2) outer wall, thus the shape on inner housing (2) outer wall
At parallel the first lug boss (601), the second lug boss (602) and third protrusion portion (603), inner housing (2) outer wall with
Outer housing (1) inner wall close-fitting connection, to form the first chamber between outer housing (1) and two annular grooves (5) of inner housing (2)
Body (8) and the second cavity (9) are provided with several air inlets (101) on annular groove (5) inner wall in first cavity (8), described
Several air outlets (102) are provided on annular groove (5) inner wall in second cavity (9)；
The central axis of the core (3) is overlapped with the central axis on inner housing (2) outer wall cylindrical surface, and the core (3) includes
Upper axle portion (11), driving portion (12) and lower shaft portion (13), this core (3) can be turned by top chock (14), step (15)
Dynamic is installed in outer housing (1), and top chock (14) lower surface and inner housing (2) top surface connect, the lower axle
It holds seat (15) to be set in outer housing (1) and be located at below inner housing (2), be circumferentially equidistantly provided on the core (3)
Several blade grooves (17), this blade groove (17) is interior to be respectively embedded into driving blade (18), is provided with air inlet on the outer housing (1)
Mouth (19) and gas outlet (20), the air inlet (19) and the first cavity (8) penetrate through, the gas outlet (20) and the second cavity
(9) it penetrates through；
The step (15) further comprises the lower bearing (152) in pedestal portion (151) and insertion pedestal portion (151), institute
Stating has an annular groove on the inner wall of pedestal portion (151), this annular groove has been embedded in an annular baffle (36), this annular gear
Piece (36) is located at below lower bearing (152) and connects with lower bearing (152).
2. stable type metal grinding head according to claim 1, it is characterised in that: the upper axle portion (11) of the core (3)
It is embedded in top chock (14), in lower shaft portion (13) insertion step (15) of the core (3), driving portion (12) position
In inner housing (2).
3. stable type metal grinding head according to claim 1, it is characterised in that: the blade groove (17) is located at core
(3) on driving portion (12).
4. stable type metal grinding head according to claim 1, it is characterised in that: the swivel head (4) is installed on core
(3) in lower shaft portion (13).
5. stable type metal grinding head according to claim 1, it is characterised in that: the outer wall of outer housing (1) upper end
It is upper that there is one first flange part (28), several installation through-holes (29) are provided on this first flange part (28).
6. stable type metal grinding head according to claim 1, it is characterised in that: inner housing (2) the outer wall cylinder
Central axis is located in inner housing (2) inner wall.
7. stable type metal grinding head according to claim 1, it is characterised in that: the top chock (14) and inner housing
(2) it is connected between by a bolt (16).
8. stable type metal grinding head according to claim 1, it is characterised in that: the number of several blade grooves (17)
It is 4.
9. stable type metal grinding head according to claim 1, it is characterised in that: have at outer housing (1) upper opening
There is internal screw thread, interconnecting piece insertion outer housing (1) of a top cover (7) is simultaneously threadedly coupled with outer housing (1).
10. stable type metal grinding head according to claim 9, it is characterised in that: the top cover (7) and outer housing (1)
Between be provided with a sealing ring (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879785.4U CN209273224U (en) | 2018-11-15 | 2018-11-15 | Stable type metal grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821879785.4U CN209273224U (en) | 2018-11-15 | 2018-11-15 | Stable type metal grinding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209273224U true CN209273224U (en) | 2019-08-20 |
Family
ID=67601290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821879785.4U Active CN209273224U (en) | 2018-11-15 | 2018-11-15 | Stable type metal grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209273224U (en) |
-
2018
- 2018-11-15 CN CN201821879785.4U patent/CN209273224U/en active Active
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