CN206296792U - Mill ball core apparatus - Google Patents
Mill ball core apparatus Download PDFInfo
- Publication number
- CN206296792U CN206296792U CN201621370431.8U CN201621370431U CN206296792U CN 206296792 U CN206296792 U CN 206296792U CN 201621370431 U CN201621370431 U CN 201621370431U CN 206296792 U CN206296792 U CN 206296792U
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- core
- abrasive disk
- grindstone
- grinding
- grinding shaft
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Abstract
Mill ball core apparatus of the present utility model realize abrasive disk and core rotation simultaneously, and abrasive disk does flexing motion around core so that core is ground more comprehensively, more uniformly, and improves grinding efficiency.Wherein, abrasive disk rotation：There is bias between grinding shaft and the central axis L of grindstone, while the thrust bull stick parallel with grinding shaft is provided with, in the presence of grindstone so that abrasive disk can realize rotation.Abrasive disk does flexing motion：There is bias between grinding shaft and the central axis L of grindstone, and universal rotational structure is formd so that abrasive disk carries out flexing motion by grinding shaft to core by spheric end and half-arc groove between grinding shaft and connection abrasive disk.Core rotation：By the swollen tire of core so that core is fixed on core mandrel, in the presence of power rotary device, core is set to realize rotation.
Description
Technical field
The utility model is related to a kind of mill ball core apparatus.
Background technology
Ball valve is sealed with the close contact of core by valve seat, and its contact surface is an annular sphere, core rotation
Valve seat is in close contact with sphere all the time during 90 °, if the circularity precision of core is not high, core is just made in rotary course
Contact surface damage of the balling-up wicking surface with valve seat, cause ball valve be not closed completely it is close cause leakage, so, core is the pass in ball valve
Key part, its core circularity processing precision direct influence the quality of ball valve.
The grinding of core generally uses core grinder, and its principle is that a positioning core axle, motor belt motor are installed in core runner hole
Moving mandrel and core rotate, and have an eccentric rotary axle directly over core, and eccentric rotary axle is with abrasive disk using floating type
Spherical joint contact connection, rotary shaft is rotated and drives abrasive disk to be swung on sphere so as to realize the grinding of core.It is existing to grind
Abrasive disk itself does not rotate and is simply swung along sphere in the presence of eccentric shaft in mill method, and grinding efficiency is low, especially
The core of surface spraying tungsten carbide, its case hardness is between HRC45-50.If lapping diameter 300mm surface spraying tungsten carbides
Core generally require 3-5 days time and can be only achieved matching requirements.
The grinding of core can be reduced to friction grinding gritty between two faces, then influence the factor of its efficiency can
To be summarized as the pressure being consequently exerted between two faces, pressure is bigger, and frictional force is also bigger, and two is the phase between two faces
To motion, the efficiency of the faster grinding of speed of relative motion is also higher, and original method for grinding can also improve abrasive disk
Rotating speed, but because abrasive disk and eccentric shaft be the floating type gap for contacting and contacting of spherical joint in more than 10mm, when inclined
The centrifugal force of abrasive disk is bigger when spindle rotation is high, and abrasive disk is just uneven with sphere-contact power to cause core surface grinding
It is uneven, use requirement is not reached, and also abrasive disk easily flies out, and there is potential safety hazard.
Utility model content
The technical problems to be solved in the utility model is：In order to overcome the milling cycle of existing core lapping device long, effect
The low deficiency of rate, the utility model provides a kind of mill ball core apparatus.
The utility model solves the technical scheme that its technical problem used：A kind of mill ball core apparatus, its feature exists
In：Including abrasive disk, abrasive disk drive mechanism, core and core drive mechanism, side and the core outer wall of abrasive disk coordinate；Institute
Stating abrasive disk drive mechanism includes grindstone, grinding shaft, thrust bull stick and connection abrasive disk, the opposite side of abrasive disk and company
Abrasive disk is connect to interfix；The grinding shaft and thrust bull stick are driven by grindstone, and grinding shaft is relative to rotation
The central axis L eccentric setting of grinder, grinding shaft and thrust bull stick are arranged on grindstone lower section in parallel to each other；The company
Connect abrasive disk and be provided with half-arc groove, one end and the grindstone of grinding shaft are fixed, the other end of grinding shaft is at least half
Spherical spheric end, the spheric end is arranged on and universal rotational structure is formed in the half-arc groove；The core drive mechanism
Including the swollen tire of core, core mandrel, power rotary device and tailstock, the swollen tire of core be arranged on core inside and with core in
Wall is fitted close, and the core mandrel is located in the swollen tire of core and is interfixed with the swollen tire of core, the power rotary device
With the two ends that tailstock is separately positioned on core mandrel, power rotary device driving core mandrel rotation；The center of grindstone
Axle L intersects at the centre of sphere of core with the central shaft M of core mandrel.
Mill ball core apparatus of the present utility model realize the rotation simultaneously of abrasive disk and core, and abrasive disk around core do around
Qu Yundong so that core is ground more comprehensively, more uniformly, and improves grinding efficiency.Wherein, abrasive disk from
Turn：There is bias between grinding shaft and the central axis L of grindstone, while the thrust bull stick parallel with grinding shaft is provided with,
In the presence of grindstone so that abrasive disk can realize rotation.Abrasive disk does flexing motion：Grinding shaft and spin finishing
There is bias between the central axis L of machine, and ten thousand are formd by spheric end and half-arc groove between grinding shaft and connection abrasive disk
To rotational structure so that abrasive disk carries out flexing motion by grinding shaft to core.Core rotation：By the swollen tire of core so that
Core is fixed on core mandrel, in the presence of power rotary device, core is realized rotation.
In addition, be connected with grinding shaft and thrust bull stick using connection abrasive disk, if abrasive disk is with to be connected abrasive disk any one
After individual use destruction, mutual replacing can be carried out.
The connection abrasive disk top is additionally provided with thrust gear platform, has connecting hole on the thrust gear platform, and the thrust turns
Bar is located in the connecting hole.By design thrust bull stick so that abrasive disk can be formed under the driving of grindstone
Rotation, so greatly improves grinding efficiency.And thrust bull stick is located in the through hole on thrust gear platform, can be with connection
Abrasive disk flexing motion and relative to thrust gear platform stretch up and down, it is ensured that thrust bull stick all the time all be connected abrasive disk connection.
The installation and fixation of grinding shaft and thrust bull stick for convenience, the grindstone lower section is provided with T-slot, described
Grinding shaft and thrust bull stick are arranged in the T-slot and are fixed by nut.
In order to pour into abrasive pastes during grinding, grinding paste via is equipped with the connection abrasive disk and abrasive disk, and even
The grinding paste via of the grinding paste via and abrasive disk that connect abrasive disk is interconnected.
Abrasive disk is installed for convenience, the position that the connection abrasive disk be combined with each other with abrasive disk positions knot for stepped hole
Structure.So, step and hole need to only be positioned the positioning for being capable of achieving connection abrasive disk and abrasive disk.
In order to realize the fixation of core mandrel, the core mandrel passes through to wear two hex nuts and core thereon
Swollen tire is fixed, and two described hex nuts bear against the swollen tire both sides of core.
In order to drive core rotation, the tailstock includes thimble, and the thimble is resisted against one end of core mandrel, core core
The other end of axle is driven by power rotary device and rotated.
The beneficial effects of the utility model are that mill ball core apparatus of the present utility model, realize abrasive disk and core is same
Shi Zizhuan, and abrasive disk does flexing motion around core so that core is ground more comprehensively, more uniformly, and improves
Grinding efficiency.
Brief description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the structural representation of mill ball core apparatus optimum embodiment of the present utility model.
Fig. 2 is the A of Fig. 1 to partial structural diagram.
1, abrasive disk in figure, 1-1, grinding paste via, 2, core, 3, grindstone, 3-1, T-slot, 4, grinding shaft, 4-1,
Spheric end, 5, thrust bull stick, 6, connection abrasive disk, 6-1, half-arc groove, 6-2, thrust gear platform, 7, stepped hole location structure, 8,
Core is swollen tire, 9, core mandrel, 10, power rotary device, 11, tailstock, 11-1, thimble.
Specific embodiment
The utility model is described in further detail presently in connection with accompanying drawing.These accompanying drawings are simplified schematic diagram,
Basic structure of the present utility model is only illustrated in a schematic way, therefore it only shows the composition relevant with the utility model.
It is term " " center ", " on ", D score, "left", "right", " perpendicular, it is necessary to explanation in description of the present utility model
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward ", " away from " are to be closed based on orientation shown in the drawings or position
System, is for only for ease of description the utility model and simplifies description, necessary rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.
, it is necessary to explanation, unless otherwise clearly defined and limited, term " is pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can mechanically connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
Can be two connections of element internal.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As shown in figure 1, a kind of mill ball core apparatus, including abrasive disk 1, abrasive disk drive mechanism, core 2 and core drive
Mechanism, side and the outer wall of core 2 of abrasive disk 1 coordinate.
The drive mechanism of the abrasive disk 1 includes grindstone 3, grinding shaft 4, thrust bull stick 5 and connection abrasive disk 6, grinds
The opposite side of mill 1 interfixes with abrasive disk 6 is connected.The connection abrasive disk 6 is platform with the position that abrasive disk 1 be combined with each other
Rank hole location structure 7.
The grinding shaft 4 and thrust bull stick 5 are driven by grindstone 3, and grinding shaft 4 is relative to grindstone
3 central axis L eccentric setting, grinding shaft 4 and thrust bull stick 5 are arranged on the lower section of grindstone 3 in parallel to each other.Such as Fig. 2 institutes
Show, the lower section of the grindstone 3 is provided with T-slot 3-1, the grinding shaft 4 and thrust bull stick 5 are arranged in the T-slot 3-1
And fixed by nut.
The connection abrasive disk 6 is provided with half-arc groove 6-1, and one end and the grindstone 3 of grinding shaft 4 are fixed, grinding
The other end of axle 4 is at least hemispheric spheric end 4-1, and the spheric end 4-1 is arranged in the half-arc groove 6-1 and is formed
Universal rotational structure.The top of connection abrasive disk 6 is additionally provided with thrust gear platform 6-2, has connection on the thrust gear platform 6-2
Hole, the thrust bull stick 5 is located in the connecting hole.
The core drive mechanism includes the swollen tire 8 of core, core mandrel 9, power rotary device 10 and tailstock 11, the ball
Core is swollen tire 8 the is arranged on inside of core 2 and be fitted close with the inwall of core 2, the core mandrel 9 be located in the swollen tire 8 of core and
Interfixed with the swollen tire 8 of core.Two hex nuts that the core mandrel 9 passes through to wear thereon are fixed with the swollen tire 8 of core,
Two described hex nuts bear against the swollen both sides of tire 8 of core.The tailstock 11 includes that thimble 11-1, the thimble 11-1 are supported
One end of core mandrel 9 is leaned against, the other end of core mandrel 9 drives rotation by power rotary device 10.
The central axis L of grindstone 3 intersects at the centre of sphere of core 2 with the central shaft M of core mandrel 9.
Grinding paste via 1-1 is equipped with the connection abrasive disk 6 and abrasive disk 1, and connects the grinding paste via 1- of abrasive disk 6
1 is interconnected with the grinding paste via 1-1 of abrasive disk 1.
Grindstone 3 and power rotary device 10 have been the drive mechanisms of rotation driving effect.
Mill ball core apparatus of the present utility model realize abrasive disk 1 and the rotation simultaneously of core 2, and abrasive disk 1 is around core 2
Do flexing motion so that core 2 is ground more comprehensively, more uniformly, and improves grinding efficiency.Wherein, grind
The rotation of disk 1：There is bias between the central axis L of grinding shaft 4 and grindstone 3, while being provided with parallel with grinding shaft 4 pushing away
Power bull stick 5, in the presence of grindstone 3 so that abrasive disk 1 can realize rotation.Abrasive disk 1 does flexing motion：Grinding
There is bias between the central axis L of axle 4 and grindstone 3, and pass through spheric end 4-1 between grinding shaft 4 and connection abrasive disk 6
With half-arc groove 6-1, universal rotational structure is formd so that abrasive disk 1 carries out flexing motion by grinding shaft 4 to core 2.Ball
The rotation of core 2：By the swollen tire 8 of core so that core 2 is fixed on core mandrel 9, in the presence of power rotary device 10, is made
Core 2 realizes rotation.
In addition, using connection abrasive disk 6 be connected with grinding shaft 4 and thrust bull stick 5, if abrasive disk 1 be connected abrasive disk 6
After meaning one is using destruction, mutual replacing can be carried out.
With above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work people
Member can carry out various changes and amendments in the range of without departing from this utility model technological thought completely.This reality
The content on specification is not limited to new technical scope, it is necessary to its technology is determined according to right
Property scope.
Claims (7)
1. a kind of mill ball core apparatus, it is characterised in that：Including abrasive disk (1), abrasive disk drive mechanism, core (2) and core
Drive mechanism, side and core (2) outer wall of abrasive disk (1) coordinate；
Abrasive disk (1) drive mechanism includes grindstone (3), grinding shaft (4), thrust bull stick (5) and connection abrasive disk
(6), the opposite side of abrasive disk (1) interfixes with abrasive disk (6) is connected；The grinding shaft (4) and thrust bull stick (5) pass through
Grindstone (3) drives, and grinding shaft (4) is relative to the central axis L eccentric setting of grindstone (3), grinding shaft (4) and
Thrust bull stick (5) is arranged on grindstone (3) lower section in parallel to each other；Connection abrasive disk (6) is provided with half-arc groove
(6-1), one end of grinding shaft (4) is fixed with grindstone (3), and the other end of grinding shaft (4) is at least hemispheric ball
Shape end (4-1), the spheric end (4-1) is arranged on and universal rotational structure is formed in the half-arc groove (6-1)；
The core drive mechanism includes the swollen tire of core (8), core mandrel (9), power rotary device (10) and tailstock (11), institute
State the swollen tire of core (8) to be arranged on core (2) inside and be fitted close with core (2) inwall, the core mandrel (9) is located in ball
Interfix in core is swollen tire (8) and with the swollen tire of core (8), the power rotary device (10) and tailstock (11) are separately positioned on ball
The two ends of core mandrel (9), power rotary device (10) drives core mandrel (9) to rotate；
The central axis L of grindstone (3) intersects at the centre of sphere of core (2) with the central shaft M of core mandrel (9).
2. mill ball core apparatus as claimed in claim 1, it is characterised in that：Connection abrasive disk (6) top is additionally provided with and pushes away
Power keeps off platform (6-2), and the thrust is kept off has connecting hole on platform (6-2), and the thrust bull stick (5) is located in the connecting hole.
3. mill ball core apparatus as claimed in claim 1, it is characterised in that：Grindstone (3) lower section is provided with T-slot
(3-1), the grinding shaft (4) and thrust bull stick (5) are fixed in the T-slot (3-1) and by nut.
4. mill ball core apparatus as claimed in claim 1, it is characterised in that：On connection abrasive disk (6) and abrasive disk (1)
Grinding paste via (1-1) is equipped with, and connects the grinding paste via (1-1) of abrasive disk (6) and the grinding paste via (1-1) of abrasive disk (1)
It is interconnected.
5. mill ball core apparatus as claimed in claim 1, it is characterised in that：Connection abrasive disk (6) and abrasive disk (1) phase
The position for mutually combining is stepped hole location structure (7).
6. mill ball core apparatus as claimed in claim 1, it is characterised in that：The core mandrel (9) is by wearing thereon
Two hex nuts and the swollen tire of core (8) it is fixed, two described hex nuts bear against core swollen tire (8) both sides.
7. mill ball core apparatus as claimed in claim 1, it is characterised in that：The tailstock (11) includes thimble (11-1), institute
One end that thimble (11-1) is resisted against core mandrel (9) is stated, the other end of core mandrel (9) is driven by power rotary device (10)
Dynamic rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370431.8U CN206296792U (en) | 2016-12-14 | 2016-12-14 | Mill ball core apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370431.8U CN206296792U (en) | 2016-12-14 | 2016-12-14 | Mill ball core apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206296792U true CN206296792U (en) | 2017-07-04 |
Family
ID=59213638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621370431.8U Active CN206296792U (en) | 2016-12-14 | 2016-12-14 | Mill ball core apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206296792U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500775A (en) * | 2018-05-29 | 2018-09-07 | 天津祥嘉流体控制系统有限公司 | Grinder for ball for ball valve attrition process |
| CN109848841A (en) * | 2018-12-25 | 2019-06-07 | 刘海 | A kind of upper grinding machine structure of band dynamic grinding function |
| CN110303407A (en) * | 2019-08-05 | 2019-10-08 | 四川欧曼机械有限公司 | A kind of automatic ball-type valve seat grinder |
| CN110319229A (en) * | 2019-07-04 | 2019-10-11 | 浙江石化阀门有限公司 | The processing technology of hard seal ball valve and double spherical surface valve seats with double spherical surface valve seats |
| CN112025540A (en) * | 2020-08-26 | 2020-12-04 | 江西昌河航空工业有限公司 | Spherical surface forming device and method based on grinding ball track |
| CN114619362A (en) * | 2022-04-07 | 2022-06-14 | 南京理工大学 | Ball valve grinding disc device |
| CN115139189A (en) * | 2022-08-16 | 2022-10-04 | 哈尔滨浩星科技有限公司 | Hemispherical grinder |
-
2016
- 2016-12-14 CN CN201621370431.8U patent/CN206296792U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108500775A (en) * | 2018-05-29 | 2018-09-07 | 天津祥嘉流体控制系统有限公司 | Grinder for ball for ball valve attrition process |
| CN109848841A (en) * | 2018-12-25 | 2019-06-07 | 刘海 | A kind of upper grinding machine structure of band dynamic grinding function |
| CN109848841B (en) * | 2018-12-25 | 2024-03-29 | 刘海 | Upward grinding mechanism with dynamic grinding function |
| CN110319229A (en) * | 2019-07-04 | 2019-10-11 | 浙江石化阀门有限公司 | The processing technology of hard seal ball valve and double spherical surface valve seats with double spherical surface valve seats |
| CN110319229B (en) * | 2019-07-04 | 2020-04-24 | 浙江石化阀门有限公司 | Hard sealing ball valve with double-spherical-surface valve seat and machining process of double-spherical-surface valve seat |
| CN110303407A (en) * | 2019-08-05 | 2019-10-08 | 四川欧曼机械有限公司 | A kind of automatic ball-type valve seat grinder |
| CN110303407B (en) * | 2019-08-05 | 2024-02-09 | 四川欧曼机械有限公司 | Automatic ball-type valve seat grinding machine |
| CN112025540A (en) * | 2020-08-26 | 2020-12-04 | 江西昌河航空工业有限公司 | Spherical surface forming device and method based on grinding ball track |
| CN114619362A (en) * | 2022-04-07 | 2022-06-14 | 南京理工大学 | Ball valve grinding disc device |
| CN114619362B (en) * | 2022-04-07 | 2024-04-12 | 南京理工大学 | Ball valve grinding disc device |
| CN115139189A (en) * | 2022-08-16 | 2022-10-04 | 哈尔滨浩星科技有限公司 | Hemispherical grinder |
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